Last rain for LA was Jan. 4th. Last rain for SF was Jan 7th. Fire season for S Cal may ramp up: North 15 to 25 mph with gusts to 40 mph Tuesday morning through Thursday afternoon. Temperatures 10 to 20 degrees above normal + minimum humidity 12% and 25% Tues - Thurs #cawx

Next Santa Ana wind event 🔥 is likely to be moderate strength and generally Wind Advisory level or less. Some calender day records may be broken. Confidence is rather high for this heat spell. #cawx

Models show deep upper level troughing entering the West Coast around 2/9-2/10 timeframe with almost all the ensemble members for the ECMWF and GFS showing light rain across the region. Given that this is still 9/10 days out, we can`t put too much stock in this just yet. #cawx

Swarm of quakes for the Bay Area: #cawx

NWS Santa Clara: A chance of rain after 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 66. #cawx

NWS Santa Clara Superbowl Sunday - Mostly sunny, with a high near 68. Sunday Night a slight chance of rain after 10pm. Otherwise, mostly cloudy, with a low around 47. #cawx

S Ops🔥: 7am update - The storm sequence beginning Sunday is likely to produce "heavy to extreme precipitation and major rain, snow, and wind" impacts across all of Central and Southern California next week. #cawx

S Ops: Three storm systems to impact Southwest California next week. #cawx

A classic cold front with diffluence aloft slamming into the state, this first system has the highest potential for generating the highest amounts of precipitation overall. The NAM showing 57-69 mph at 850mb out of the southeast creating a huge orographic component. #cawx

South Ops🔥: Rain foothill and mountains = 4 and 8 inches.  Coast & valley = 2 and 4 inches rain Mon - Wed.  Snow level 3,000 and 4,000 feet Monday evening through Wednesday.   Temperatures will cool to 10 to 20 degrees below normal Mon - Wed. Slow warming Thursday. #cawx

"Winter Storm Warning" - includes Grass Valley, Auburn, and Placerville. #cawx

8:00am update: "Cold low pressure will bring significant rain & snow across N Ops today w/snow levels 2500-4500ft . Tonight - Wed levels into the 750ft to 2000ft range. 10-15F below normal Tue thru early next week. Another cold & stormy period is likely Sun-next Mon." #cawx

8:00am: Temps 5-15F below normal this am fall to "10-20F below normal" this afternoon continuing thru Sat. 10F below: Sun-next Tue. Fairly cold & stormy Sun-next Tue w/substantial precip likely across all areas. Snow levels will likely rise into the 2000 to 5000ft range. #cawx

N Ops: Heaviest precipitation expected between 3AM to 7AM Thursday as third system approaches. Temps Thurs. into Friday will drop rapidly into the upper 20's to low 30's across the region. Heavy rain incoming Sunday and Monday as a possible atmospheric river develops. #cawx

N. Ops🔥: Extreme Cold Warning 1 am to 9 am Fri. Then Sun-Mon a warm-moist system with "potential atmospheric river" conditions. NWS monitoring a third period potentially mid/late next week. #cawx

Warm and Dry: 6 to 10 days out: #cawx

S Ops🔥: A moderate to strong Santa Ana wind event is looking likely this weekend, strongest on Saturday. Northeast to east winds of "20 to 40 mph with gusts to 60 mph" will likely surface across the mountains and below the canyons and passes of Southern California. #cawx

S. Ops🔥: At 500 mb, a near 100 mph northeasterly jet will move over SoCal late morning on Sat. Winds 20-30 mph & gusts 40-50 mph (damaging gusts of 55-70 mph possible). San Fernando Vly + San Gabriel Vly atypical for Santa Ana's may get some strong winds by Saturday #cawx

S. Ops🔥: A moderate Santa Ana wind event: 5 to 6 mb of offshore flow. Winds of 15 to 30 mph gusts to 50 mph - then increase to "20 to 40 mph with gusts to 60 mph" Sat morning through Sun afternoon. Gusts to 80 mph Sat morning. 10 to 15 deg. above normal Sun and Monday. #cawx

Fire Potential/Fuels: Windy and very dry through this weekend, but the "potential for large fire will remain very low" = high fuel moisture. Another limiting factor = high soil moisture. There will be little or no fire activity across the region Mon - end of next week. #cawx