Archives

2025 (8)

April 7th | As wet & cool late-winter pattern departs, growing signs of unusually warm & dry spring across CA & broader West
March 6th | An active pattern to continue across California, with mainly beneficial precipitation through mid-Mar
February 12th | Major storm to bring high risk of debris flows in SoCal wildfire zones, with some flood risk elsewhere
January 31st | Warm, wet atmospheric river to soak NorCal, w/mostly modest flood risk; SoCal likely to see at least some additional rain
January 24th | Widespread rain in SoCal to temporarily alleviate fire concerns by Sunday; SoCal drought still likely to expand rest of winter
January 15th | Hydroclimate volatility on a warming Earth
January 12th | Following historic wildfire disasters in Southern California, a statewide dry spell intensifies and extreme fire weather conditions persist in the south
January 4th | As extreme California precipitation dipole persists, a high-end offshore wind/fire weather event may unfold in SoCal this week

2024 (22)

2023 (19)

2022 (18)

2021 (20)

2020 (23)

December 31st | Semi-active winter pattern likely across NorCal, but magnitude of pattern change uncertain (and good riddance to 2020)
December 11th | Welcome precipitation across NorCal, but not enough to keep pace; SoCal remains dry
November 23rd | Very dry weather across California through mid-December
November 5th | Partial fire season relief, at last: cold storm arrives in California Friday
October 22nd | Very strong offshore wind event to bring extreme wildfire risk Sun/Mon, esp. NorCal
October 8th | Swing and a miss: anticipated October rain evaporates, and more adverse fire weather on horizon
September 18th | Increasingly extreme autumn wildfire conditions in California due to climate change
September 14th | Severe wildfire conditions will continue across California, but pattern shift will improve air quality
September 1st | Record heat possible once again Labor Day weekend; wildfire risk to worsen following reprieve
August 21st | Record heat, unprecedented lightning fire siege in Northern California; more dry lightning to come
August 14th | Dangerously intense, prolonged, and humid heatwave for most of California
August 10th | A warmer second half of August, and some tropical moisture in the mix? Plus: thoughts about (a dry?) autumn.
July 15th | Extreme atmospheric rivers: what will California’s strongest storms look like in a warming climate?
July 7th | Warming trend in California, but most intense heat remains across the interior Southwest. And what about the autumn to come?
June 19th | Another NorCal heatwave next week, but progressive pattern continues
May 23rd | Unusually intense and prolonged early-season heatwave developing across California
May 14th | After hot start to May, spring storm to bring rain & some thunderstorms to NorCal
April 23rd | Early season heatwave in SoCal; drought intensifies in NorCal
April 3rd | Robust spring storm to bring rain, mountain snow, thunderstorms to California
March 13th | Some good news: after record dry February, a sudden shift toward wetter conditions
February 14th | Very dry conditions to continue at least through late February
January 31st | Warm and dry, then cool (and still dry), heading into February
January 15th | Strong and cold NorCal storm Thursday, then a less active late January pattern to follow

2019 (19)

December 20th | Moderately active December pattern continues; more significant SoCal storm possible next week
December 6th | Classic winter storm to bring rain, wind, thunderstorms to NorCal
November 25th | Wild weather week in California: fire risk, rain/wind, low snow levels
November 19th | Dramatic shift to active weather in SoCal; very late season wildfire risk persists in NorCal
November 6th | Increasingly unusual dry autumn conditions persist; fire season continues until further notice
October 18th | Fire season continues with dry conditions persisting. Plus: Davis tornado, power shut-offs, and a new earthquake warning system
September 27th | A cooler start to October, but little precipitation on the horizon
August 26th | Hot August continues; some dry lightning possible in NorCal
July 19th | Rising heat and a hint of monsoonal moisture to close out July
June 28th | Following record early June heat, a rather quiet summer pattern will prevail through early July
May 31st | After exceptionally wet May, typical early summer weather gradually returns to California
May 14th | Highly unusual sequence of winter-like storms headed for California (in late May!)
April 26th | A warm start to spring; low pressure system may bring thunderstorms to southern California
March 24th | After a prolonged cold and wet spell in California, warmer (but still unsettled) conditions to persist
February 24th | Dual atmospheric rivers in NorCal bring flood concerns & yet more Sierra snow
February 11th | Strong but complex storm sequence this week will bring rain, wind, and flood concerns to California
January 30th | Strong storm will bring heavy rain, strong wind to most of California on Friday-Saturday
January 13th | Wet and stormy week ahead for all of California; Dipole pattern to follow
January 4th | Stormy pattern on California’s doorstep; will help mitigate early-season rain & snow deficits

2018 (17)

2017 (23)

December 24th | Strikingly dry conditions persist; Thomas Fire now largest California wildfire
December 4th | New insights into the Ridiculously Resilient Ridge & North American Winter Dipole
November 15th | Strong storm across NorCal today; SoCal remains mostly dry
November 6th | Occasional NorCal rain, but dry autumn continues across Southern California
October 19th | Much-needed fire relief in North Bay today, but new ridge and record SoCal heat on the way
October 5th | Typical early autumn conditions prevail; some thoughts on La Niña
September 9th | 2017 hottest summer in California history; Cut-off low may bring widespread thunderstorms
August 25th | After mid-August reprieve, yet another prolonged California heatwave
July 23rd | California’s searing summer to continue; active East Pacific could bring tropical “slingshot”
July 2nd | Monsoon picking up over Southwest; heat & moisture across much of CA
June 16th | Searing, prolonged heatwave developing across much of California & Desert Southwest
May 29th | Quiet early summer conditions; thoughts on the season ahead
May 4th | Unsettled May pattern to bring showers (and some thunderstorms) to California
April 16th | California hits precipitation record as spring warming commences
April 5th | Unusually strong April storm headed for Northern California this week
March 18th | Break in storms comes to end; Northern California closes in on record wet season
February 19th | Strong atmospheric river likely to bring widespread, perhaps severe flooding to Northern California on Monday
February 16th | Powerful Friday storm in Southern California; Warm & wet atmospheric river to affect Oroville Dam watershed Monday
February 7th | Another storm for rain-weary California this week, then a break, then…yet more storms to come.
February 1st | Remarkably wet winter so far in California…and more storms to come.
January 17th | New series of storms to bring renewed California flood concerns, especially in south
January 10th | Northern California storm onslaught continues; widespread flooding likely this evening
January 3rd | Series of atmospheric river storms to bring risk of significant California flooding

2016 (21)

2015 (17)

2014 (30)

2013 (15)

December 22nd | A comparison of California’s extreme 2013 dry spell to the 1976-1977 drought
December 13th | The extraordinary California dry spell continues: 2013 will probably be the driest year on record
December 1st | Major Arctic outbreak across the Western United States; rare Central Valley snowfall possible
November 24th | Recent rain welcome, but not nearly enough: more dry weather on tap
November 14th | An overview of the extraordinary and ongoing California dry spell
November 9th | Prospects for a wet November are dashed; exceptionally dry conditions continue in California
October 22nd | California drought continues; few prospects for short-term relief
August 17th | Significant Northern California thunderstorm outbreak likely this week; long-term drought intensifies across the American West
July 20th | Active monsoon pattern this week; drought intensifies in California
July 1st | Intense and record-breaking heat wave to continue across the West
June 22nd | Very unusual summer storm in Northern California
May 4th | Unsettled conditions after and unseasonably early hot and dry spell
March 24th | Unsettled pattern for the end of the month; large precip deficits persist
February 18th | Quick-hitting but potent cold storm for California
January 9th | Sudden shift to a very cold pattern over California!

2012 (10)

December 16th | Active weather pattern to continue across California
November 29th | Major atmospheric river event underway; widespread flooding possible
November 27th | Major storms approaching California; significant flooding possible
November 25th | Big storms on the way for Norcal!
November 11th | Winter off to a respectable start in California; Big storm possible next weekend
April 22nd | Some late-season rainfall in store for the entire state
March 12th | Rain, for a change: very cold and wet pattern for California
February 21st | The “non-winter” of 2011-2012 continues
January 16th | NorCal deep freeze on Tuesday; rain returns on Wednesday: winter has finally arrived in California
January 2nd | California’s very dry winter to continue through the first half of Jaunary

2011 (13)

December 3rd | Unusually dry and windy conditions to continue across California
October 4th | Strong early-season storm for California
September 9th | Cutoff low to bring thunderstorms, extreme fire weather to much of California
August 17th | A revamped Weather West
August 15th | The blog is back!
July 26th | Blog moving today
June 17th | Update #2 on site hack
May 3rd | Update on site hack
March 19th | Major California storm this weekend
March 17th | Test post
February 21st | Very cold with possible low elevation snow this week!
February 16th | Very cold and stormy weather over California
January 17th | Mid-winter dry spell to continue across California

2010 (40)

December 26th | More rain for California this week
December 19th | *Major rain event in progress; significant flooding possible in Southern California*
December 12th | Potentially very wet pattern on the way for California
November 18th | Very cold, strong early-season storm for California
October 23rd | A wet week ahead for Northern California
October 16th | Another wet cutoff low for CA; winter begins in earnest before the end of October?
September 22nd | Strong La Nina conditions likely to affect California during fall and winter
September 7th | Fall tidings: early showers and an intensifying La Nina
August 22nd | Brief but rather intense heat wave for California; dramatic pattern change in the works
August 16th | An unusually cool summer continues over California; long-term prospects interesting
July 22nd | Typical mid-summer weather to continue across California
July 10th | More typical July weather to return to CA
June 13th | Seasonably warm and dry statewide for foreseeable future
May 25th | Showery and unstable weather for California next 72 hours; seasonable weather to return over the weekend
May 19th | Rather impressive cold and active late-May pattern developing
May 15th | Unseasonably active pattern to continue for CA
May 10th | Seasonable springtime pattern over CA
April 23rd | Active April weather pattern to continue after warm weekend interlude
April 19th | Major springtime convective event across California
April 11th | Unseasonably strong April storm, then active weather pattern to continue
April 4th | Strong storm in NorCal; warmer week ahead
March 29th | Very active weather in California this week
March 23rd | Unsettled spring weather on the way
March 11th | Friday storm in NorCal; spring springs in earnest this weekend.
February 28th | Cold and wet week ahead for California
February 25th | Storm still on track for Friday
February 25th | Strong storm for Northern California; active pattern continues statewide
February 19th | An active weather pattern for most of California
February 16th | Warm and dry weather to end by this weekend
February 12th | Dry and mild weather for California; pattern change, though, already on horizon
February 7th | Cut-off low for California to bring showers and thunderstorms; calmer weather to come
January 31st | Rainy week ahead for much of California
January 22nd | Record-breaking storms winding down; some wet weather this week
January 21st | *Strong thunderstorms next 24 hours in Southern California*
January 19th | *Intense storms track through California; worst yet to come*
January 15th | *Very stormy pattern for California; flooding possible*
January 14th | Regarding the devastating earthquake in Haiti: a brief message
January 12th | *Very stormy period developing for all of California; potential for major flooding*
January 8th | Major pattern change: finally in the works?
January 2nd | Dry weather to continue; strange climate pattern persists

2009 (61)

December 20th | Some rain early this week, but mostly calm weather prevails
December 10th | Wet weather on tap: some heavy rain, wind, and thunderstorms possible
December 6th | ***Record snowfall likely in Central Valley tomorrow***
December 4th | Low elevation snowfall NorCal; flooding rains SoCal, then a statewide storm midweek
December 2nd | Lots of rain, wind for all of California next week; maybe a low snow event, too?
November 29th | Potentially warm and very wet or very cold and unsettled weather, or both?
November 27th | Quick-hitting storm; Major change to more active weather in the works?
November 23rd | Quiet weather continues in CA; an appeal for publicity
November 15th | Colder and wetter week ahead
November 9th | El Nino ripping; MJO active
November 7th | Quiet weather this week; El Nino ramping up
October 30th | Uneventful fall weather for a while
October 24th | Cold storm for the upcoming week
October 18th | A more typical October pattern
October 10th | Big October storm still on track
October 7th | Melor remnants to bring major (record-breaking) CA storm?
October 2nd | Windy weather week ahead
September 27th | Dramatic change on the way
September 18th | Late-season heat wave on the way
September 11th | Quick weather update
September 10th | Software update
August 28th | A spectacular near-miss
August 19th | Big monsoonal push?
August 15th | Fires burn statewide; warm week ahead, but nothing dramatic
August 4th | Unseasonably deep low to bring active NorCal weather this week
August 2nd | Deep upper-level low brings unseasonable weather this week
July 27th | Heat tapers off–unusually deep cutoff low?
July 18th | Tropical moisture, very hot SoCal; new heat wave in a week.
July 15th | Subtropical moisture threat and a possibly massive heat wave?
July 10th | El Nino as arrived; summer heat to return
June 29th | Pre-monsoonal surge in SoCal
June 22nd | Quiet summer pattern continues; El Nino now a near-certainty
June 14th | Summer storm in SoCal?
June 3rd | Cut-off low brings thunderstorms to CA
May 30th | Rare June cut-off low still on track for next week
May 26th | Very unusual and potentially very active pattern possible for the first week in June
May 13th | May heat wave on the way
May 5th | Typical spring pattern for the next week (*updated for photo*)
April 28th | Dramatic pattern change once again
April 23rd | Dramatically cooler and more active next seven days
April 20th | Record-breaking spring heat; a chance of a significant storm?
April 6th | Unsettled springtime pattern to prevail
April 2nd | Major pattern change again
March 27th | Bland weather continues–it is nice out there, though…
March 19th | Quick-hitting but intense cold storm this weekend
March 11th | Late-winter dry spell to continue
March 3rd | Showers and thunderstorms; dry weather to return
March 1st | Another wet week in NorCal; SoCal showers (?)
February 25th | Active late-winter pattern to continue
February 19th | Updates; a new storm
February 15th | Flash flooding in SoCal likely; burn areas at risk
February 14th | Big storm off the coast
February 10th | A very active pattern (!) to continue across CA for forseeable future
February 5th | Rain…rain…and more rain? A Fabulous February after all?
February 3rd | Rain again in CA; dry again by next week?
January 26th | Sunny with a good chance of water restrictions
January 23rd | Rain now; dry again next week.
January 19th | Extraordinary uncertainty abounds
January 16th | At a critical juncture, uncertainty abounds
January 13th | Extremely dry January to continue; a change on the horizon?
January 7th | Mid-winter dry spell to continue to forseeable future

2008 (66)

December 30th | Re-developing La Nina and negative PNA: bad news for CA?
December 23rd | Christmas storm for CA, then a drying trend…
December 16th | Generally wet and cold weather to continue
December 15th | Very brief (and snowy!) update tonight…
December 12th | Winter blast for CA
December 10th | Dramatic change in the weather for CA
December 7th | Big change on the way?
December 5th | Cold and foggy Central Valley, dry and boring on the coast; possible change?
December 3rd | Blocking reigns supreme; no rain in sight.
November 30th | A rather dry “wet-season” pattern continues…
November 24th | Active weather for SoCal; NorCal mostly dry for forseeable future…
November 21st | Some sort of pattern change in the offing–flip a coin or three?
November 13th | Very warm to record-breaking Nov. temps
November 8th | Some rain today; no big storms for the next week or so.
October 31st | Wet pattern here for a while?
October 29th | Major storm for NorCal; rain for all?
October 27th | Major pattern change coming; most significant effects in NorCal
October 25th | Very interesting pattern ahead for CA
October 24th | MJO-related pattern change on the way…
October 20th | Typical fall pattern continues; possible “October Surprise”
October 8th | Unseasonably cold and deep cutoff low
October 3rd | Significant early-season storm still on track
September 30th | Major pattern change on the way
September 29th | Thunderstorms likely in some areas today; active early fall week ahead.
September 21st | Typical late-summer and early fall conditions, then a possible change
September 17th | Fall not far off in CA
September 12th | Ike may be worst U.S. disaster in decades
September 11th | Ike threatens disaster on a large scale; CA weather may become more interesting
September 4th | Hot and dry CA
August 30th | Extreme fire weather NorCal; Gustav a potential catastrophe
August 28th | NorCal heat to ease; attention shifts to Atlantic Ocean
August 15th | Who says CA weather in the summer isn’t interesting?
August 6th | Period of dull weather; long-term potential
August 4th | Brief but significant monsoonal surge
July 27th | A return; bland weather but a dangerous fire
June 18th | SoCal heat wave; a leave of absence
May 29th | Bland weather returns
May 22nd | Dramatic severe weather in SoCal today; more to come?
May 21st | Unusual late-spring cutoff to bring interesting weather this week
May 19th | Record-breaking May heat wave fades away; dramatic change to come
May 12th | Big heat wave for CA; a profusion of international natural disasters in May
May 6th | Cyclone Nargis devastates Myanmar; death toll staggering
April 29th | Will spring pass without any rain at all?
April 21st | Rain to return to NorCal?
April 17th | Cold troughs; the GFS is a liar…
April 3rd | Spring is here, and below-normal precipitation will continue
March 29th | Odd pattern for the upcoming week
March 22nd | Unsettled north; typical spring pattern
March 14th | Spring-like cold convective system for CA
March 10th | Big changes in the offing for CA weather
February 25th | Rather bland pattern for forseeable future
February 21st | Powerful storm for NorCal this weekend
February 18th | Short-lived pattern change over CA
February 16th | Major pattern change for CA
February 13th | Pattern change on horizon
February 1st | Typical winter system this weekend; mostly dry next week!
January 27th | Cold and unsettled; no big storms
January 26th | **Dangerous Storm for Southern California**
January 23rd | Very active but complex pattern
January 22nd | Very cold and active pattern to continue
January 20th | Very active pattern in CA
January 19th | Cold and unsettled week ahead for CA
January 15th | Cutoff for CA
January 14th | Dry weather and mild daytime temps this week; much colder next wek?
January 9th | Wind event of the decade in NorCal; dry weather to return
January 2nd | Worst storm in over a decade in parts of CA

2007 (109)

December 31st | Powerful winter storms to slam CA this week
December 29th | Big storms in the offing for all of CA
December 26th | Brief low snow event in NorCal
December 23rd | Colder weather to move in
December 17th | Rainy week in CA
December 13th | Cold and wet NorCal this week; some rain south?
December 9th | Typical winter dry pattern this week
December 5th | First winter-like storm of the season for CA
December 3rd | Significant storm possible for much of CA this week
November 30th | Heavy rain in Southern California! Intense windstorm for Pacific Northwest!
November 28th | Quick update
November 26th | Never-ending SoCal fire season; hope for a pattern change?
November 18th | Boring weather continues statewide
November 14th | Severe Tropical Cyclone Sidr Threatens Bangladesh
November 7th | Wetter weather NorCal; still mostly dry SoCal
November 5th | A pattern change?
October 28th | Showery weather from cutoffs NorCal; new Santa Ana event SoCal
October 25th | Dry weather continues
October 21st | Extreme fire weather scenario unfolding in SoCal
October 18th | And summer returns?
October 16th | Pattern change again to warmer and drier weather
October 11th | Active October Pattern Continues
October 8th | Extremely powerful storm in the eastern Pacific; no threat to land
October 7th | Very active fall pattern shaping up for the West
October 3rd | Rather active fall pattern in the Pacific Northwest
September 30th | Early fall rainfall in NorCal; typically warm, dry, and occasionally windy weather persists in SoCal
September 28th | Fall has most definitely arrived…
September 25th | Typically uneventful fall weather returns to CA
September 20th | Late summer storm hovers off SoCal coast
September 17th | Very unusual early fall storm to affect CA
September 16th | Very unusual weather in the works for CA
September 14th | Fall is fast-approaching; fire weather concerns persist
September 5th | Pre-fall doldrums
August 31st | Critical fire weather likely
August 30th | Quick update…
August 28th | Summer begins to show signs of a transition to fall…
August 21st | Dean remnants=CA moisture?
August 17th | Zaca concerns; tropical developments
August 12th | Fire weather worstens; hurricanes Pacific and Atlantic
August 6th | Dull CA pattern; fire season heating up inland
July 28th | Stagnant summer pattern
July 23rd | Some monsoonal advances
July 17th | Extremely rare summer “storm” of Pacific origins
July 9th | CA thunderstorm outbreak
July 6th | Thunderstorms and fire…
July 3rd | July heatwave; dry tstm potential
June 25th | Live from Barrow, AK
June 19th | Monsoon–not too far off?
June 13th | Summer heat has arrived.
May 30th | Mountain thunderstorms
May 27th | Summer doldrums have set in
May 16th | Summer has arrived
May 6th | Warm and dry statewide
May 2nd | NorCal spring showers
April 29th | Spring pattern to continue
April 25th | Typical spring weather
April 17th | Actual rain this week?
April 16th | April showers; dry end to the month?
April 4th | Some interesting potentialities; mainly dry and warm
March 30th | Drought…it’s official
March 24th | Strong spring storm
March 21st | Uncertain future
March 21st | Wetter weather on the horizon
March 19th | Major pattern shift to come…
March 16th | Actual springlike weather on the way?
March 14th | Summer for a few more days, then winter again?
March 12th | Summer in March–A change?
March 10th | March wildfires; dry and hot weather ahead
March 7th | Warm…hot? Certainly dry…
March 4th | Warm and dry
March 1st | March is here…
February 26th | Snow and thunderstorms…
February 25th | Heavy snow event in NorCal this week
February 24th | Heavy snow NorCal; light precip SoCal
February 21st | Cold storms: tstms and low snow levels
February 19th | Cold storm this week
February 18th | SoCal Thunder, then NorCal snow?
February 18th | Technical problems
February 12th | Few days of dry weather, then an interesting scenario
February 11th | Some showers; then dry again.
February 10th | Wet pattern looks to be short-lived
February 8th | Decent rains in NorCal
February 6th | Rain.
February 5th | Wet weather to make a return to CA
February 3rd | Warm; winter; then warm again?
February 1st | Dry and warm, then some rain?
January 29th | Some showers in SoCal; dry once again by midweek
January 27th | Interesting scenario this weekend; poss. change on the horizon
January 26th | Some light precipitation this weekend, then dry once again
January 23rd | Dry, still…
January 22nd | Perhaps a few showers, but overall dry pattern continues
January 21st | Record January dryness continues
January 20th | Dry, a shower, then dry, dry, dry…
January 18th | Dry weather for the forseeable future…
January 17th | Warming and a very dry pattern ahead
January 16th | Few showers of the frozen variety, then warmer and drier
January 15th | Cold night, few showers, then dry
January 14th | Still cold…
January 12th | Cold(est?)
January 11th | Cold(er)!
January 10th | Sea level snow; frigid temps all around…
January 9th | Cold!!!
January 8th | Very cold airmass over the West, and some snow in unusual places
January 7th | Cold coming!
January 6th | Cold with some showers, but no significant rain on West Coast
January 5th | Cold event still likely; precip threat greatly reduced
January 4th | Major pattern change on the way
January 3rd | Small storm, then major pattern change next week
January 1st | Moderate NorCal storm in short term; potentially very cold event in long term

2006 (34)

December 30th | More dull weather to come
December 28th | Storm summary; benign weather to come
December 25th | Major winter storm in California
December 24th | Wet and stormy NorCal; a little wet SoCal
December 22nd | Possibly significant NorCal rain on Christmas
December 19th | NorCal cold, then rain; SoCal persistence
December 15th | Cold system; boring weather to follow
December 14th | Extreme wind event OR/WA
December 13th | Cold storm to affect CA; major wind/rain PacNW
December 11th | Interesting developments?
December 8th | Wet weather in CA; few rumbles of thunder?
December 7th | Significant pattern change, but no major storms
December 6th | Pattern change confounds models–Where’s El Nino?
December 3rd | Major pattern change in Pacific; extreme fire danger SoCal
November 24th | Very cold pattern setting up across West
November 22nd | Longwave pattern shift; MJO active again
November 7th | Historic rain event in Pac NW
October 8th | Back to fall, again
October 2nd | Fire weather no longer–summer is replaced immediately by winter
September 22nd | Extremely dangerous fire weather in CA
September 17th | Extreme fire weather in CA; an early fall elsewhere
September 9th | Summer may be coming to an end…
September 7th | Yet more fire weather concerns; Ikoe’s remnants
September 2nd | Hurricane John to significantly impact the SW United States
August 27th | Hurricanes, fire weather, and more!
August 22nd | Extreme fire weather interior; Ileana to the south
August 21st | Extreme fire weather concerns NW; mostly calm elsewhere
August 16th | Slightly more interesting…
August 15th | Active interior West; quiet Pacific Coast
August 13th | Very boring weather continues; possible change on the horizon
August 9th | Summer doldrums
August 7th | Unusual summer pattern across West Coast
August 1st | Bland weather; possible cut off?
August 1st | Back up and running…