Archives
June 2023
May 2023
April 2023
- 26: “The Big Melt” has arrived as early season heatwave spikes flood concerns; Cut-off low to bring cooling trend but also possibly thunderstorm outbreak next week
- 10: Spring has sprung (finally) in California, and with warmer temperature, major snowmelt flooding looms. Plus: El Niño is rapidly developing…
March 2023
- 12: Another strong storm may bring even more substantial and widespread flooding & wind-related impacts late Mon-Tue
- 7: Strong “Pineapple Express” atmospheric river to bring heavy rain, snowmelt, and a wide range of impacts to northern California
February 2023
- 20: Substantial (very) low elevation snowfall possible later this week in CA as cold and active weather pattern develops
- 3: After a very active Dec-Jan, a (much) calmer start to Feb
January 2023
- 8: Very wet pattern continues, with another high-impact storm centered on Central CA Mon-Tue; hints of moderation in medium term?
- 2: Major NorCal storm Wed; potentially high impact storm/flood pattern to continue for 10+ days
December 2022
- 26: Active weather pattern with prolonged East Pacific winter storm sequence into early January
- 9: Stormy and cold pattern across California, and the broader West, through mid-December.
November 2022
- 21: A warm, dry (and windy, for some) Thanksgiving in California, but a pattern shift in early Dec?
- 4: Wet and cool November pattern coming up, with abundant mountain snowfall
October 2022
September 2022
- 15: Much needed & beneficial (and possible September record-breaking!) rain in NorCal this weekend! Then…warm and dry conditions resume.
- 7: Extreme heat continues in NorCal as Hurricane Kay approaches from south, with significant SoCal impacts possible
August 2022
- 30: Severe, dangerous, and likely record-breaking heatwave over Labor Day weekend
- 11: ARkStorm 2.0: Climate change is increasing the risk of a California megaflood
July 2022
- 15: Slow-building heatwave across interior; possible very hot end to July with fire season accelerating
June 2022
- 21: Pre-monsoonal moisture surge to bring scattered thunderstorms to southern/central CA, w/dry lightning threat in some areas
- 8: Relatively brief but intense (inland) heatwave this week, then fairly quiescent conditions for 1-2 weeks thereafter
May 2022
April 2022
March 2022
- 24: A modest “one and done” storm early next week, but trend toward re-intensifying drought continues
- 9: Some light to locally moderate NorCal showers to come, but a “Miracle March” it is not
February 2022
January 2022
December 2021
- 20: Active pattern through end of year, with heavy mountain snowfall and low elevation snow possible in some (unusual!) spots
- 7: Significant pattern change underway; wetter & cooler conditions likely through at least mid-December
November 2021
October 2021
- 22: Strong atmospheric river to bring fire season-ending and drought-mitigating heavy rain to NorCal, but also high risk of burn area flooding/debris flows
- 15: Substantial, fire season-mitigating late-October precipitation in NorCal? Plus: present drought breaks new records in CA
September 2021
- 16: Some beneficial North Coast rain this weekend, though wind-related fire weather concerns elsewhere. Plus: thoughts about the rainy season to come…
- 7: Heat and possibly some dry lightning in NorCal to ring in autumn
August 2021
July 2021
- 25: Major monsoonal moisture surge to bring fairly widespread California thunderstorms (wetter south, drier north), with NorCal fire weather concerns
- 16: Dry lightning event possible across portions of California Sun/Mon; significant fire weather concerns across interior
- 6: Yet another major heatwave for the California interior, though the coast will be spared (again!)
June 2021
- 25: California dodges worst of historic Pacific Northwest heatwave, but long-duration heatwave still likely inland. Plus: significant monsoonal surge next week?
- 14: Severe heatwave across California interior and broader Southwest this week
May 2021
- 28: Major early-season heatwave across interior NorCal early next week; extreme drought continues to worsen
- 10: California drought continues to intensify; Cooler temperature and robust marine layer to offer some temporary relief
April 2021
- 23: Some modest April showers this weekend, but overall trajectory toward worsening drought continues
March 2021
February 2021
January 2021
- 24: Wild weather week ahead: widespread heavy rainfall with fire scar flood threat, plus epic Sierra Nevada snowfall
- 15: Topsy-turvy weather pattern to bring record warmth and strong winds, but then big shift to colder/wetter conditions
December 2020
- 31: Semi-active winter pattern likely across NorCal, but magnitude of pattern change uncertain (and good riddance to 2020)
- 11: Welcome precipitation across NorCal, but not enough to keep pace; SoCal remains dry
November 2020
- 23: Very dry weather across California through mid-December
- 5: Partial fire season relief, at last: cold storm arrives in California Friday
October 2020
- 22: Very strong offshore wind event to bring extreme wildfire risk Sun/Mon, esp. NorCal
- 8: Swing and a miss: anticipated October rain evaporates, and more adverse fire weather on horizon
September 2020
- 18: Increasingly extreme autumn wildfire conditions in California due to climate change
- 14: Severe wildfire conditions will continue across California, but pattern shift will improve air quality
- 1: Record heat possible once again Labor Day weekend; wildfire risk to worsen following reprieve
August 2020
- 21: Record heat, unprecedented lightning fire siege in Northern California; more dry lightning to come
- 14: Dangerously intense, prolonged, and humid heatwave for most of California
- 10: A warmer second half of August, and some tropical moisture in the mix? Plus: thoughts about (a dry?) autumn.
July 2020
- 15: Extreme atmospheric rivers: what will California’s strongest storms look like in a warming climate?
- 7: Warming trend in California, but most intense heat remains across the interior Southwest. And what about the autumn to come?
June 2020
May 2020
- 23: Unusually intense and prolonged early-season heatwave developing across California
- 14: After hot start to May, spring storm to bring rain & some thunderstorms to NorCal
April 2020
- 23: Early season heatwave in SoCal; drought intensifies in NorCal
- 3: Robust spring storm to bring rain, mountain snow, thunderstorms to California
March 2020
February 2020
January 2020
- 31: Warm and dry, then cool (and still dry), heading into February
- 15: Strong and cold NorCal storm Thursday, then a less active late January pattern to follow
December 2019
- 20: Moderately active December pattern continues; more significant SoCal storm possible next week
- 6: Classic winter storm to bring rain, wind, thunderstorms to NorCal
November 2019
- 25: Wild weather week in California: fire risk, rain/wind, low snow levels
- 19: Dramatic shift to active weather in SoCal; very late season wildfire risk persists in NorCal
- 6: Increasingly unusual dry autumn conditions persist; fire season continues until further notice
October 2019
September 2019
August 2019
July 2019
June 2019
May 2019
- 31: After exceptionally wet May, typical early summer weather gradually returns to California
- 14: Highly unusual sequence of winter-like storms headed for California (in late May!)
April 2019
March 2019
February 2019
- 24: Dual atmospheric rivers in NorCal bring flood concerns & yet more Sierra snow
- 11: Strong but complex storm sequence this week will bring rain, wind, and flood concerns to California
January 2019
- 30: Strong storm will bring heavy rain, strong wind to most of California on Friday-Saturday
- 13: Wet and stormy week ahead for all of California; Dipole pattern to follow
- 4: Stormy pattern on California’s doorstep; will help mitigate early-season rain & snow deficits
December 2018
November 2018
October 2018
September 2018
- 30: Substantial early-season rainfall in California to dampen explosive wildfire conditions
- 18: Record summer heat across much of state retreats; some deeper thoughts on El Niño
August 2018
July 2018
- 22: Another prolonged heatwave for southern & interior CA; hottest July on record statewide?
- 4: Searing but localized weekend heatwave across SoCal; heat slowly spreads north in coming days
June 2018
- 22: An unremarkable solstice in California; but a hot second half of summer (and what about El Niño)?
May 2018
April 2018
- 22: Increasing precipitation whiplash in twenty-first century California
- 4: April surprise: warm and wet late-season atmospheric river to soak NorCal
March 2018
- 19: Pineapple Express deluge in Southern California; high risk of Thomas Fire flash floods & mudslides
- 12: “March Mitigation” commences as unusually cold late-season storm sequence arrives
February 2018
- 25: Much-needed Sierra Nevada snowfall on the way! But a Miracle March? Not so fast.
- 1: Extraordinary winter warmth and dryness to persist as West Coast ridge dominates
January 2018
December 2017
- 24: Strikingly dry conditions persist; Thomas Fire now largest California wildfire
- 4: New insights into the Ridiculously Resilient Ridge & North American Winter Dipole
November 2017
- 15: Strong storm across NorCal today; SoCal remains mostly dry
- 6: Occasional NorCal rain, but dry autumn continues across Southern California
October 2017
- 19: Much-needed fire relief in North Bay today, but new ridge and record SoCal heat on the way
- 5: Typical early autumn conditions prevail; some thoughts on La Niña
September 2017
August 2017
July 2017
- 23: California’s searing summer to continue; active East Pacific could bring tropical “slingshot”
- 2: Monsoon picking up over Southwest; heat & moisture across much of CA
June 2017
May 2017
- 29: Quiet early summer conditions; thoughts on the season ahead
- 4: Unsettled May pattern to bring showers (and some thunderstorms) to California
April 2017
- 16: California hits precipitation record as spring warming commences
- 5: Unusually strong April storm headed for Northern California this week
March 2017
February 2017
- 19: Strong atmospheric river likely to bring widespread, perhaps severe flooding to Northern California on Monday
- 16: Powerful Friday storm in Southern California; Warm & wet atmospheric river to affect Oroville Dam watershed Monday
- 7: Another storm for rain-weary California this week, then a break, then…yet more storms to come.
- 1: Remarkably wet winter so far in California…and more storms to come.
January 2017
- 17: New series of storms to bring renewed California flood concerns, especially in south
- 10: Northern California storm onslaught continues; widespread flooding likely this evening
- 3: Series of atmospheric river storms to bring risk of significant California flooding
December 2016
- 28: Renewed Arctic outbreak across American West; possible low elevation snow in California
- 10: Subtropical moisture plume bringing heavy Sierra Nevada precip; widespread active weather this week
November 2016
October 2016
- 25: Unusually active October continues across California, but winter doesn’t look so promising
- 11: Impressive early-season atmospheric river in NorCal & Pacific Northwest; some early thoughts on coming rainy season
September 2016
August 2016
July 2016
June 2016
May 2016
- 19: Unsettled late spring conditions in NorCal; La Niña Looms
- 3: Unsettled weather across California through this weekend, with thunderstorms possible at times
April 2016
- 21: California drought update; April showers in NorCal; and La Niña Looms
- 6: After burst of early-season heat, a sudden shift to active weather across California
- 1: The Rise of the Ridiculously Resilient Ridge
March 2016
- 9: Slow-moving atmospheric river may bring flooding to Northern California; generally active pattern to continue statewide
- 3: Wild weather weekend ahead sets stage for an active March to come
February 2016
- 16: Recent record warmth to be interrupted by Wednesday storm; long term prospects mixed
- 1: El Niño remains among strongest ever recorded, but California impacts (so far) a bit different than anticipated
January 2016
- 30: Strong Southern California storm on Sunday, then drier interlude across California
- 17: Enhanced El Niño storm track has finally emerged; Active pattern likely throughout California next 2-3 months
- 1: Parade of East Pacific storms to affect all of California as subtropical jet strengthens
December 2015
- 23: Early season rains soak Northern California; statewide storms likely in January
- 8: Substantial Northern California storms this week; El Niño-influenced pattern likely to emerge in December
November 2015
October 2015
- 28: Dry start to autumn in California, but near-record strength El Niño still on track to bring a wet winter
- 8: El Niño now among strongest in modern history; unusually warm and unsettled conditions persist in California
September 2015
- 19: Remarkable warm-season precipitation event headed for Southern California; Powerful El Niño right on track
- 2: Record-strength El Niño likely to bring wet winter to California in midst of worst drought on record
August 2015
July 2015
June 2015
- 25: Prolonged period of West Coast heat and thunderstorms; wildfire risk soars
- 3: El Niño has arrived in the tropical Pacific, but what are the implications for California’s record-breaking drought?
May 2015
April 2015
March 2015
February 2015
- 16: The Ridiculously Resilient Ridge Returns; typical winter conditions still nowhere to be found in California
- 1: After another extraordinary mid-winter dry spell, major atmospheric river to soak NorCal later this week
January 2015
December 2014
- 29: Windy and cold weather on the way, with low elevation snow possible in SoCal, then a dry and cold start to the new year
- 14: Much-needed rains return to California (and there’s more to come), but severe long-term drought continues
- 8: Powerful, potentially damaging storm to bring very heavy rainfall and high winds to Northern California
November 2014
- 27: Active weather pattern on tap for California; high uncertainty remains regarding precipitation amounts
- 14: A dry start to autumn for most of California as amplified North American pattern continues; Prospects for rain murky
October 2014
- 30: Substantial early-season storm system to bring much-needed rain to California
- 24: Early-season storm for NorCal this weekend; extraordinary drought continues, but pattern different from last year
- 13: Shift to more unsettled weather pattern across Northern California, but no major rain events on horizon
September 2014
- 29: Special update: The Extraordinary California Drought of 2013-2014: Character, Context, and the Role of Climate Change
- 23: Some September rain for parts of Northern California, but no sign of a wet fall
August 2014
- 31: California’s drought very unlikely to improve in short term; thoughts about the upcoming winter rainy season
- 10: Major lightning outbreak/fire weather event likely in California, part of very active summer monsoon in 2014
July 2014
- 20: An overview of California’s ongoing and extraordinary drought: a tale of exceptional dryness and record warmth
- 19: Update on the North American Monsoon and active California summer weather
- 6: Hot, dry summer continues in California; severe fire season looms; El Niño update
June 2014
- 22: California’s record-warmest year worsens exceptional drought; El Niño continues to develop in Pacific
- 1: Rainy season ends in California; exceptional drought continues to intensify
May 2014
- 14: Special update on El Niño 2014: Recent observations, forecasts, and potential impacts in California
- 13: Record-breaking May heat and extreme fire weather conditions prevails; Ridiculously Resilient Ridge Returns?
- 5: California’s dry season has arrived; March toward El Niño continues in Pacific
April 2014
- 20: Some late-season precipitation headed for California; Evolution toward El Niño continues
- 6: California’s rainy season winds down and severe drought remains; El Nino conditions developing rapidly in Tropical Pacific
March 2014
- 23: Modest late-season rain headed for California; powerful El Nino event may be brewing in the Pacific
- 9: California enters extended dry period once again as high pressure builds; summer-like temperatures by mid-March
February 2014
- 23: Strong storm headed for California this week; compelling signs of developing El Nino, but will the RRR return in the meantime?
- 13: Northern California rain at times this week; amplified North Pacific ridge to return?
- 6: Significant atmospheric river to bring heavy rain to Northern California this weekend
- 2: Rain returns to California as Ridiculously Resilient Ridge retreats; cautious optimism for February?
January 2014
- 25: Ridiculously Resilient Ridge continues to shatter records, but pattern shift may be approaching
- 11: The Ridiculously Resilient Ridge continues into 2014; California drought intensifies
December 2013
- 22: A comparison of California’s extreme 2013 dry spell to the 1976-1977 drought
- 13: The extraordinary California dry spell continues: 2013 will probably be the driest year on record
- 1: Major Arctic outbreak across the Western United States; rare Central Valley snowfall possible
November 2013
- 24: Recent rain welcome, but not nearly enough: more dry weather on tap
- 14: An overview of the extraordinary and ongoing California dry spell
- 9: Prospects for a wet November are dashed; exceptionally dry conditions continue in California
October 2013
August 2013
July 2013
- 20: Active monsoon pattern this week; drought intensifies in California
- 1: Intense and record-breaking heat wave to continue across the West
June 2013
May 2013
March 2013
February 2013
January 2013
December 2012
November 2012
- 29: Major atmospheric river event underway; widespread flooding possible
- 27: Major storms approaching California; significant flooding possible
- 25: Big storms on the way for Norcal!
- 11: Winter off to a respectable start in California; Big storm possible next weekend
April 2012
March 2012
February 2012
January 2012
- 16: NorCal deep freeze on Tuesday; rain returns on Wednesday: winter has finally arrived in California
- 2: California’s very dry winter to continue through the first half of Jaunary
December 2011
October 2011
September 2011
August 2011
July 2011
June 2011
May 2011
March 2011
February 2011
- 21: Very cold with possible low elevation snow this week!
- 16: Very cold and stormy weather over California
January 2011
December 2010
- 26: More rain for California this week
- 19: *Major rain event in progress; significant flooding possible in Southern California*
- 12: Potentially very wet pattern on the way for California
November 2010
October 2010
- 23: A wet week ahead for Northern California
- 16: Another wet cutoff low for CA; winter begins in earnest before the end of October?
September 2010
- 22: Strong La Nina conditions likely to affect California during fall and winter
- 7: Fall tidings: early showers and an intensifying La Nina
August 2010
- 22: Brief but rather intense heat wave for California; dramatic pattern change in the works
- 16: An unusually cool summer continues over California; long-term prospects interesting
July 2010
- 22: Typical mid-summer weather to continue across California
- 10: More typical July weather to return to CA
June 2010
May 2010
- 25: Showery and unstable weather for California next 72 hours; seasonable weather to return over the weekend
- 19: Rather impressive cold and active late-May pattern developing
- 15: Unseasonably active pattern to continue for CA
- 10: Seasonable springtime pattern over CA
April 2010
- 23: Active April weather pattern to continue after warm weekend interlude
- 19: Major springtime convective event across California
- 11: Unseasonably strong April storm, then active weather pattern to continue
- 4: Strong storm in NorCal; warmer week ahead
March 2010
- 29: Very active weather in California this week
- 23: Unsettled spring weather on the way
- 11: Friday storm in NorCal; spring springs in earnest this weekend.
February 2010
- 28: Cold and wet week ahead for California
- 25: Storm still on track for Friday
- 25: Strong storm for Northern California; active pattern continues statewide
- 19: An active weather pattern for most of California
- 16: Warm and dry weather to end by this weekend
- 12: Dry and mild weather for California; pattern change, though, already on horizon
- 7: Cut-off low for California to bring showers and thunderstorms; calmer weather to come
January 2010
- 31: Rainy week ahead for much of California
- 22: Record-breaking storms winding down; some wet weather this week
- 21: *Strong thunderstorms next 24 hours in Southern California*
- 19: *Intense storms track through California; worst yet to come*
- 15: *Very stormy pattern for California; flooding possible*
- 14: Regarding the devastating earthquake in Haiti: a brief message
- 12: *Very stormy period developing for all of California; potential for major flooding*
- 8: Major pattern change: finally in the works?
- 2: Dry weather to continue; strange climate pattern persists
December 2009
- 20: Some rain early this week, but mostly calm weather prevails
- 10: Wet weather on tap: some heavy rain, wind, and thunderstorms possible
- 6: ***Record snowfall likely in Central Valley tomorrow***
- 4: Low elevation snowfall NorCal; flooding rains SoCal, then a statewide storm midweek
- 2: Lots of rain, wind for all of California next week; maybe a low snow event, too?
November 2009
- 29: Potentially warm and very wet or very cold and unsettled weather, or both?
- 27: Quick-hitting storm; Major change to more active weather in the works?
- 23: Quiet weather continues in CA; an appeal for publicity
- 15: Colder and wetter week ahead
- 9: El Nino ripping; MJO active
- 7: Quiet weather this week; El Nino ramping up
October 2009
- 30: Uneventful fall weather for a while
- 24: Cold storm for the upcoming week
- 18: A more typical October pattern
- 10: Big October storm still on track
- 7: Melor remnants to bring major (record-breaking) CA storm?
- 2: Windy weather week ahead
September 2009
- 27: Dramatic change on the way
- 18: Late-season heat wave on the way
- 11: Quick weather update
- 10: Software update
August 2009
- 28: A spectacular near-miss
- 19: Big monsoonal push?
- 15: Fires burn statewide; warm week ahead, but nothing dramatic
- 4: Unseasonably deep low to bring active NorCal weather this week
- 2: Deep upper-level low brings unseasonable weather this week
July 2009
- 27: Heat tapers off–unusually deep cutoff low?
- 18: Tropical moisture, very hot SoCal; new heat wave in a week.
- 15: Subtropical moisture threat and a possibly massive heat wave?
- 10: El Nino as arrived; summer heat to return
June 2009
- 29: Pre-monsoonal surge in SoCal
- 22: Quiet summer pattern continues; El Nino now a near-certainty
- 14: Summer storm in SoCal?
- 3: Cut-off low brings thunderstorms to CA
May 2009
- 30: Rare June cut-off low still on track for next week
- 26: Very unusual and potentially very active pattern possible for the first week in June
- 13: May heat wave on the way
- 5: Typical spring pattern for the next week (*updated for photo*)
April 2009
- 28: Dramatic pattern change once again
- 23: Dramatically cooler and more active next seven days
- 20: Record-breaking spring heat; a chance of a significant storm?
- 6: Unsettled springtime pattern to prevail
- 2: Major pattern change again
March 2009
- 27: Bland weather continues–it is nice out there, though…
- 19: Quick-hitting but intense cold storm this weekend
- 11: Late-winter dry spell to continue
- 3: Showers and thunderstorms; dry weather to return
- 1: Another wet week in NorCal; SoCal showers (?)
February 2009
- 25: Active late-winter pattern to continue
- 19: Updates; a new storm
- 15: Flash flooding in SoCal likely; burn areas at risk
- 14: Big storm off the coast
- 10: A very active pattern (!) to continue across CA for forseeable future
- 5: Rain…rain…and more rain? A Fabulous February after all?
- 3: Rain again in CA; dry again by next week?
January 2009
- 26: Sunny with a good chance of water restrictions
- 23: Rain now; dry again next week.
- 19: Extraordinary uncertainty abounds
- 16: At a critical juncture, uncertainty abounds
- 13: Extremely dry January to continue; a change on the horizon?
- 7: Mid-winter dry spell to continue to forseeable future
December 2008
- 30: Re-developing La Nina and negative PNA: bad news for CA?
- 23: Christmas storm for CA, then a drying trend…
- 16: Generally wet and cold weather to continue
- 15: Very brief (and snowy!) update tonight…
- 12: Winter blast for CA
- 10: Dramatic change in the weather for CA
- 7: Big change on the way?
- 5: Cold and foggy Central Valley, dry and boring on the coast; possible change?
- 3: Blocking reigns supreme; no rain in sight.
November 2008
- 30: A rather dry “wet-season” pattern continues…
- 24: Active weather for SoCal; NorCal mostly dry for forseeable future…
- 21: Some sort of pattern change in the offing–flip a coin or three?
- 13: Very warm to record-breaking Nov. temps
- 8: Some rain today; no big storms for the next week or so.
October 2008
- 31: Wet pattern here for a while?
- 29: Major storm for NorCal; rain for all?
- 27: Major pattern change coming; most significant effects in NorCal
- 25: Very interesting pattern ahead for CA
- 24: MJO-related pattern change on the way…
- 20: Typical fall pattern continues; possible “October Surprise”
- 8: Unseasonably cold and deep cutoff low
- 3: Significant early-season storm still on track
September 2008
- 30: Major pattern change on the way
- 29: Thunderstorms likely in some areas today; active early fall week ahead.
- 21: Typical late-summer and early fall conditions, then a possible change
- 17: Fall not far off in CA
- 12: Ike may be worst U.S. disaster in decades
- 11: Ike threatens disaster on a large scale; CA weather may become more interesting
- 4: Hot and dry CA
August 2008
- 30: Extreme fire weather NorCal; Gustav a potential catastrophe
- 28: NorCal heat to ease; attention shifts to Atlantic Ocean
- 15: Who says CA weather in the summer isn’t interesting?
- 6: Period of dull weather; long-term potential
- 4: Brief but significant monsoonal surge
July 2008
June 2008
May 2008
- 29: Bland weather returns
- 22: Dramatic severe weather in SoCal today; more to come?
- 21: Unusual late-spring cutoff to bring interesting weather this week
- 19: Record-breaking May heat wave fades away; dramatic change to come
- 12: Big heat wave for CA; a profusion of international natural disasters in May
- 6: Cyclone Nargis devastates Myanmar; death toll staggering
April 2008
- 29: Will spring pass without any rain at all?
- 21: Rain to return to NorCal?
- 17: Cold troughs; the GFS is a liar…
- 3: Spring is here, and below-normal precipitation will continue
March 2008
- 29: Odd pattern for the upcoming week
- 22: Unsettled north; typical spring pattern
- 14: Spring-like cold convective system for CA
- 10: Big changes in the offing for CA weather
February 2008
- 25: Rather bland pattern for forseeable future
- 21: Powerful storm for NorCal this weekend
- 18: Short-lived pattern change over CA
- 16: Major pattern change for CA
- 13: Pattern change on horizon
- 1: Typical winter system this weekend; mostly dry next week!
January 2008
- 27: Cold and unsettled; no big storms
- 26: **Dangerous Storm for Southern California**
- 23: Very active but complex pattern
- 22: Very cold and active pattern to continue
- 20: Very active pattern in CA
- 19: Cold and unsettled week ahead for CA
- 15: Cutoff for CA
- 14: Dry weather and mild daytime temps this week; much colder next wek?
- 9: Wind event of the decade in NorCal; dry weather to return
- 2: Worst storm in over a decade in parts of CA
December 2007
- 31: Powerful winter storms to slam CA this week
- 29: Big storms in the offing for all of CA
- 26: Brief low snow event in NorCal
- 23: Colder weather to move in
- 17: Rainy week in CA
- 13: Cold and wet NorCal this week; some rain south?
- 9: Typical winter dry pattern this week
- 5: First winter-like storm of the season for CA
- 3: Significant storm possible for much of CA this week
November 2007
- 30: Heavy rain in Southern California! Intense windstorm for Pacific Northwest!
- 28: Quick update
- 26: Never-ending SoCal fire season; hope for a pattern change?
- 18: Boring weather continues statewide
- 14: Severe Tropical Cyclone Sidr Threatens Bangladesh
- 7: Wetter weather NorCal; still mostly dry SoCal
- 5: A pattern change?
October 2007
- 28: Showery weather from cutoffs NorCal; new Santa Ana event SoCal
- 25: Dry weather continues
- 21: Extreme fire weather scenario unfolding in SoCal
- 18: And summer returns?
- 16: Pattern change again to warmer and drier weather
- 11: Active October Pattern Continues
- 8: Extremely powerful storm in the eastern Pacific; no threat to land
- 7: Very active fall pattern shaping up for the West
- 3: Rather active fall pattern in the Pacific Northwest
September 2007
- 30: Early fall rainfall in NorCal; typically warm, dry, and occasionally windy weather persists in SoCal
- 28: Fall has most definitely arrived…
- 25: Typically uneventful fall weather returns to CA
- 20: Late summer storm hovers off SoCal coast
- 17: Very unusual early fall storm to affect CA
- 16: Very unusual weather in the works for CA
- 14: Fall is fast-approaching; fire weather concerns persist
- 5: Pre-fall doldrums
August 2007
- 31: Critical fire weather likely
- 30: Quick update…
- 28: Summer begins to show signs of a transition to fall…
- 21: Dean remnants=CA moisture?
- 17: Zaca concerns; tropical developments
- 12: Fire weather worstens; hurricanes Pacific and Atlantic
- 6: Dull CA pattern; fire season heating up inland
July 2007
- 28: Stagnant summer pattern
- 23: Some monsoonal advances
- 17: Extremely rare summer “storm” of Pacific origins
- 9: CA thunderstorm outbreak
- 6: Thunderstorms and fire…
- 3: July heatwave; dry tstm potential
June 2007
May 2007
- 30: Mountain thunderstorms
- 27: Summer doldrums have set in
- 16: Summer has arrived
- 6: Warm and dry statewide
- 2: NorCal spring showers
April 2007
- 29: Spring pattern to continue
- 25: Typical spring weather
- 17: Actual rain this week?
- 16: April showers; dry end to the month?
- 4: Some interesting potentialities; mainly dry and warm
March 2007
- 30: Drought…it’s official
- 24: Strong spring storm
- 21: Uncertain future
- 21: Wetter weather on the horizon
- 19: Major pattern shift to come…
- 16: Actual springlike weather on the way?
- 14: Summer for a few more days, then winter again?
- 12: Summer in March–A change?
- 10: March wildfires; dry and hot weather ahead
- 7: Warm…hot? Certainly dry…
- 4: Warm and dry
- 1: March is here…
February 2007
- 26: Snow and thunderstorms…
- 25: Heavy snow event in NorCal this week
- 24: Heavy snow NorCal; light precip SoCal
- 21: Cold storms: tstms and low snow levels
- 19: Cold storm this week
- 18: SoCal Thunder, then NorCal snow?
- 18: Technical problems
- 12: Few days of dry weather, then an interesting scenario
- 11: Some showers; then dry again.
- 10: Wet pattern looks to be short-lived
- 8: Decent rains in NorCal
- 6: Rain.
- 5: Wet weather to make a return to CA
- 3: Warm; winter; then warm again?
- 1: Dry and warm, then some rain?
January 2007
- 29: Some showers in SoCal; dry once again by midweek
- 27: Interesting scenario this weekend; poss. change on the horizon
- 26: Some light precipitation this weekend, then dry once again
- 23: Dry, still…
- 22: Perhaps a few showers, but overall dry pattern continues
- 21: Record January dryness continues
- 20: Dry, a shower, then dry, dry, dry…
- 18: Dry weather for the forseeable future…
- 17: Warming and a very dry pattern ahead
- 16: Few showers of the frozen variety, then warmer and drier
- 15: Cold night, few showers, then dry
- 14: Still cold…
- 12: Cold(est?)
- 11: Cold(er)!
- 10: Sea level snow; frigid temps all around…
- 9: Cold!!!
- 8: Very cold airmass over the West, and some snow in unusual places
- 7: Cold coming!
- 6: Cold with some showers, but no significant rain on West Coast
- 5: Cold event still likely; precip threat greatly reduced
- 4: Major pattern change on the way
- 3: Small storm, then major pattern change next week
- 1: Moderate NorCal storm in short term; potentially very cold event in long term
December 2006
- 30: More dull weather to come
- 28: Storm summary; benign weather to come
- 25: Major winter storm in California
- 24: Wet and stormy NorCal; a little wet SoCal
- 22: Possibly significant NorCal rain on Christmas
- 19: NorCal cold, then rain; SoCal persistence
- 15: Cold system; boring weather to follow
- 14: Extreme wind event OR/WA
- 13: Cold storm to affect CA; major wind/rain PacNW
- 11: Interesting developments?
- 8: Wet weather in CA; few rumbles of thunder?
- 7: Significant pattern change, but no major storms
- 6: Pattern change confounds models–Where’s El Nino?
- 3: Major pattern change in Pacific; extreme fire danger SoCal
November 2006
- 24: Very cold pattern setting up across West
- 22: Longwave pattern shift; MJO active again
- 7: Historic rain event in Pac NW
October 2006
September 2006
- 22: Extremely dangerous fire weather in CA
- 17: Extreme fire weather in CA; an early fall elsewhere
- 9: Summer may be coming to an end…
- 7: Yet more fire weather concerns; Ikoe’s remnants
- 2: Hurricane John to significantly impact the SW United States
August 2006
- 27: Hurricanes, fire weather, and more!
- 22: Extreme fire weather interior; Ileana to the south
- 21: Extreme fire weather concerns NW; mostly calm elsewhere
- 16: Slightly more interesting…
- 15: Active interior West; quiet Pacific Coast
- 13: Very boring weather continues; possible change on the horizon
- 9: Summer doldrums
- 7: Unusual summer pattern across West Coast
- 1: Bland weather; possible cut off?
- 1: Back up and running…
