A strong wind storm struck the Bay Area on December 30 during the afternoon and evening hours. Strong winds brought down numerous trees and power lines across the area.
Every event with a place to put it; 51 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MTR wrote it up.
A strong wind storm struck the Bay Area on December 30 during the afternoon and evening hours. Strong winds brought down numerous trees and power lines across the area. The combination of recent heavy rains earlier in the month brought weakened ground conditions and then there were numerous dead trees across the area from years of ongoing drought. Major disruptions to the evening commute due to downed trees and the accidents they caused were observed. Wind gusts of 40-55 MPH were widespread across the area. Despite most areas not reaching 60 MPH, there was widespread wind damage and impacts due to the reasons above.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Francisco Bay Area, CA wrote its last area forecast discussion before the first event at Dec 30, 10:07 AM PST, 1 hour 20 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1007 AM PST TUE DEC 30 2014
...A COLD AND WINDY END TO 2014...
.SYNOPSIS...A COLD AND DRY STORM SYSTEM WILL PRODUCE STRONG AND
GUSTY NORTH TO NORTHEAST WINDS ACROSS THE SAN FRANCISCO BAY AREA
FROM TODAY THROUGH WEDNESDAY MORNING. A WIND ADVISORY IS IN
EFFECT. WINDS WILL GRADUALLY DECREASE ON WEDNESDAY. THE COLD AND
DRY AIRMASS THAT WILL SWEEP ACROSS THE REGION TODAY AND TONIGHT WILL
LIKELY RESULT IN THE COLDEST TEMPERATURES OF THE SEASON THUS FAR
ON WEDNESDAY NIGHT. FREEZING TEMPERATURES ARE LIKELY FOR INLAND
AREAS LATE WEDNESDAY NIGHT AND THURSDAY MORNING. TEMPERATURES WILL
GRADUALLY MODERATE LATE IN THE WEEK AND INTO THE WEEKEND...BUT
FREEZING OR NEAR FREEZING NIGHTTIME LOWS WILL LIKELY CONTINUE IN
THE INLAND VALLEYS THROUGH AT LEAST THURSDAY NIGHT.
&&
.DISCUSSION...AS OF 09:00 AM PST TUESDAY...VISIBLE SATELLITE
IMAGERY DEPICTS MOSTLY CLEAR SKIES ACROSS THE AREA THIS MORNING.
A COLD AIR AIR MASS HAS MOVED INTO THE AREA AND SNOW LEVELS HAVE
FALLEN TO AROUND 2500 FEET HOWEVER THERE IS ONLY A SLIGHT CHANCE
OF PRECIP IN THE FAR SOUTHERN POTION OF THE CWA. WINDS ARE
BEGINNING TO PICK UP THIS MORNING. SFO REPORTED A PEAK WIND OF 30
MPH IN THE LAST HOUR AND MT TAM IS REPORTING GUSTS TO 50 MPH.
WINDS WILL CONTINUE TO INCREASE TODAY BEFORE DECREASING OVERNIGHT
INTO TOMORROW LEADING TO FREEZING TEMPERATURES. FORECAST IS ON
TRACK AT THIS TIME AND NO MAJOR UPDATES ARE ANTICIPATED THIS
MORNING.
&&
.PREV DISCUSSION...AS OF 3:15 AM PST TUESDAY...WATER VAPOR SATELLITE
IMAGERY SHOWS A SHARP UPPER TROUGH DIGGING SOUTH INTO NORTHERN AND
CENTRAL CALIFORNIA EARLY THIS MORNING WITH THE TROUGH AXIS
CURRENTLY MOVING ACROSS THE SF BAY AREA. RADAR HAD SHOWN ISOLATED
LIGHT RETURNS MOVING RAPIDLY INLAND NEAR THE MONTEREY PENINSULA
LATE LAST EVENING...BUT FOR THE MOST PART THIS IS A DRY SYSTEM
AND WILL NOT LIKELY GENERATE ANY MEASURABLE PRECIP IN OUR AREA.
HAVE LEFT SLIGHT SHOWER CHANCES IN FOR THE FAR SOUTHERN PORTION OF
OUR CWA TODAY...OTHERWISE PRECIP CHANCES HAVE BEEN REMOVED
ENTIRELY.
THE PRIMARY WEATHER IMPACT THIS WEATHER SYSTEM WILL HAVE ON OUR
AREA IN THE SHORT-TERM IS STRONG WINDS. NORTH WINDS HAVE ALREADY
BEGUN TO INCREASE IN THE NORTH BAY MOUNTAINS WITH LOCAL GUSTS UP
TO 30 MPH BY 2 AM. NOW THAT THE UPPER TROUGH AXIS IS MOVING PAST
OUR AREA...SURFACE PRESSURE GRADIENTS WILL RAPIDLY TIGHTEN BETWEEN
BUILDING SURFACE HIGH PRESSURE OVER THE NORTHERN GREAT BASIN AND
LOW PRESSURE ALONG THE SOUTHERN CA COAST. THE ACV-SFO
GRADIENT...CURRENTLY AT 6.2 MB...IS FORECAST TO INCREASE TO 10 MB
BY MIDDAY. MEANWHILE THE WMC-SFO GRADIENT WILL RAMP UP TO 17 MB BY
THIS EVENING. THESE GRADIENTS ALONE WILL DRIVE STRONG AND GUSTY
WINDS ACROSS THE REGION. IN ADDITION...STRONG NORTH TO NORTHEAST
WINDS WILL DEVELOP ALOFT TODAY AS AN UPPER LOW FORMS OVER SOUTHERN
CALIFORNIA. THESE STRONG WINDS ALOFT WILL BE MIXED TO THE
SURFACE BY COLD ADVECTION TODAY AND TONIGHT. WINDS WILL BECOME
STRONG AND GUSTY IN THE NORTH BAY MOUNTAINS BY SUNRISE TODAY AND
THEN ELSEWHERE ACROSS THE SF BAY AREA BY MIDDAY. A WIND ADVISORY
BEGINS AT 7 AM IN THE N BAY MOUNTAINS AND ELSEWHERE IN THE SF BAY
AREA AND SANTA CRUZ COUNTY AT NOON TODAY. STRONGEST WINDS ARE
EXPECTED IN THE HILLS WHERE GUSTS UP TO 50 MPH...AND LOCALLY
HIGHER...ARE LIKELY. BUT BASED ON THE LATEST WRF...STRONG WINDS
WILL ALSO DEVELOP IN AREAS CLOSE TO SEA LEVEL BY LATE THIS
AFTERNOON...INCLUDING NEAR THE DELTA...NEAR SAN PABLO BAY...NEAR
SAN FRANCISCO BAY...BELOW THE BERKELEY HILLS...AND LOCALLY NEAR
THE OCEAN FROM SOUTHERN MARIN COUNTY SOUTH TO SANTA CRUZ COUNTY.
TREES WILL LIKELY TOPPLE AND POWER OUTAGES MAY OCCUR. WINDS MAY
EASE SLIGHTLY AT LOWER ELEVATIONS OVERNIGHT TONIGHT...BUT WILL
REMAIN STRONG IN THE HILLS AND MAY EVEN INCREASE SOMEWHAT AT
HIGHER ELEVATIONS. WINDS WILL THEN GRADUALLY EASE IN ALL AREAS BY
WEDNESDAY AFTERNOON AS THE UPPER LOW BEGINS TO MOVE EAST AND
SURFACE GRADIENTS RELAX.
ONCE WINDS SUBSIDE...THE FOCUS WILL TURN TO COLD TEMPERATURES. THE
AIRMASS SWEEPING ACROSS OUR AREA TODAY AND TONIGHT WILL BE COLD
WITH 850 MB TEMPS DOWN TO MINUS 2 C. THAT COLD AIRMASS COMBINED
WITH BRISK WINDS WILL PRODUCE UNCOMFORTABLY COLD CONDITIONS
TONIGHT. HOWEVER...WINDS TONIGHT WILL KEEP THE LOW LEVELS MIXED
AND PREVENT TEMPERATURES FROM FALLING TO FREEZING IN MOST AREAS.
ONLY A FEW OF THE MORE WIND-SHELTERED AREAS ACROSS THE SOUTHERN
PORTION OF OUR AREA MAY SEE FREEZING TEMPS TONIGHT. ONCE WINDS
SUBSIDE ON WEDNESDAY NIGHT...STRONG RADIATIONAL COOLING WILL OCCUR
AND TEMPERATURES WILL PLUMMET. THE MODELS HAVE TRENDED A BIT
WARMER WITH THE TEMPERATURE OF THE INCOMING AIRMASS...BUT THE
MODELS HAVE ALSO TRENDED DRIER WHICH MEANS MORE EFFICIENT COOLING
ON WEDNESDAY NIGHT. WIDESPREAD FREEZING TEMPERATURES WILL LIKELY
OCCUR ACROSS INLAND AREAS LATE WEDNESDAY NIGHT AND EARLY THURSDAY
MORNING AND A FREEZE WATCH WILL BE ISSUED. MAY NEED TO CONSIDER A
FROST ADVISORY FOR THE SAN FRANCISCO BAYSIDE WHERE OVERNIGHT LOWS
ON WEDNESDAY NIGHT WILL LIKELY DROP CLOSE TO FREEZING.
THE AIRMASS OVER OUR AREA WILL GRADUALLY WARM DURING THE SECOND
HALF OF THE WEEK AND INTO THE WEEKEND AS THE HIGH AMPLITUDE UPPER
RIDGE OFFSHORE EXPANDS EASTWARD ACROSS CA. HOWEVER...COLD AND DRY
AIR WILL REMAIN TRAPPED IN THE VALLEYS AND AT LEAST ONE MORE NIGHT
OF FREEZING TEMPS IS LIKELY FOR THE INLAND VALLEYS ON THURSDAY
NIGHT.
THE UPPER RIDGE WILL BECOME WELL ESTABLISHED OVER CA BY LATE IN
THE WEEKEND AND EARLY INTO NEXT WEEK. THIS RIDGE WILL MAINTAIN DRY
WEATHER THROUGH AT LEAST THROUGH EARLY NEXT WEEK. DAYTIME TEMPERATURES
ARE EXPECTED TO WARM ABOVE NORMAL BY SUNDAY OR MONDAY. BUT
NIGHTS WILL CONTINUE TO BE COOL...ESPECIALLY IN THE VALLEYS.
THE MEDIUM RANGE MODELS AGREE THAT THE SYNOPTIC PATTERN WILL
CHANGE BY THE MIDDLE OF NEXT WEEK...THAT THE RIDGE WILL MOVE EAST
AND BREAK DOWN...ALLOWING PACIFIC WEATHER SYSTEMS TO PERHAPS BRING
RAIN INTO CALIFORNIA BY WEDNESDAY OR THURSDAY OF NEXT WEEK.
&&
.AVIATION...AS OF 10:00 AM PST TUESDAY...GENERAL MESSAGE FOR THE
FORECAST WILL BE VFR CONDITIONS...BUT VERY WINDY. LATEST MODEL
GUIDANCE IS STRUGGLING AND UNDER DOING THE CURRENT WIND
FORECAST...ESPECIALLY AROUND KSFO. OFFSHORE FLOW WILL CONTINUE TO
INCREASE THIS AFTERNOON AND PEAK BY EARLY THIS EVENING. KSFO WILL
LIKELY BE THE WINDIEST LOCATION. AN AIRPORT WEATHER WARNING IS IN
EFFECT FROM 22Z-03Z FOR KSFO. WINDS DIMINISH OVERNIGHT.
VICINITY OF KSFO...VFR. WINDS WILL BE 350-020 DIRECTION FOR KSFO
AND 20-30 KT WITH SOME GUSTS TO 40 KT THIS AFTERNOON. CONF IS LESS
FOR KOAK AND TERRAIN WILL BLOCK SOME OF THE STRONGER WINDS. THERE
MAY BE A BRIEF PERIOD OF LLWS FOR KOAK...BUT CONF IS NOT HIGH
ENOUGH TO INCLUDE IT IN THE TAF.
KSFO BRIDGE APPROACH...SIMILAR TO KSFO.
MONTEREY BAY AREA TERMINALS...VFR CONDITIONS AND BREEZY.
&&
.MARINE...AS OF 09:58 AM PST TUESDAY...GUSTY OFFSHORE FLOW WILL
PRODUCE HAZARDOUS CONDITIONS OVER THE COASTAL WATERS WITH STEEP
FRESH SWELL WITH CHAOTIC SEA CONDITIONS. GALE FORCE WINDS UP TO 45
KNOTS WILL BE POSSIBLE FROM THE GOLDEN GATE THROUGH THE WEST DELTA
AS WELL. WINDS WILL DECREASE AND CONDITIONS WILL IMPROVE WEDNESDAY
NIGHT INTO THE WEEKEND.
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
.TDAY...WIND ADVISORY...ENTIRE SF BAY AREA AND SANTA CRUZ COUNTY
SCA...PT REYES TO PIGEON PT 0-10 NM
SCA...PIGEON PT TO PT PINOS 0-10 NM
SCA...PT REYES TO PIGEON PT 10-60 NM
SCA...PT PINOS TO PT PIEDRAS BLANCAS 0-10 NM
SCA...PT ARENA TO PT REYES 0-10 NM
SCA...PT ARENA TO PT REYES 10-60 NM
SCA...PIGEON PT TO PT PINOS 10-60 NM
SCA...PT PINOS TO PT PIEDRAS BLANCAS 10-60 NM
SCA...MONTEREY BAY FROM 1 PM
GLW...SF BAY NORTH OF THE BAY BRIDGE FROM 10 AM
SCA...SF BAY SOUTH OF THE BAY BRIDGE FROM 10 AM
&&
PUBLIC FORECAST: CROSS/DYKEMA
AVIATION/MARINE: MM
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WWW.YOUTUBE.COM/NWSBAYAREAHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 514 AM PST TUE DEC 30 2014 CAZ006-505-508-509-529-311400- SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST- NORTHERN MONTEREY BAY- 514 AM PST TUE DEC 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL AND BAYSIDE SECTIONS OF THE SAN FRANCISCO BAY AREA AS WELL AS NORTHERN MONTEREY BAY. .DAY ONE...TUESDAY AND TUESDAY NIGHT STRONG AND GUSTY NORTH TO NORTHEAST WINDS ARE FORECAST BEGINNING ON TUESDAY. STRONGEST WINDS WILL BE FROM LATE AFTERNOON TUESDAY THROUGH TUESDAY NIGHT. A WIND ADVISORY IS IN EFFECT. * WIND ADVISORY....SEE SFONPWMTR WWUS76 KMTR FOR DETAILS * .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY STRONG AND GUSTY WINDS WILL CONTINUE THROUGH MIDDAY WEDNESDAY BEFORE GRADUALLY DECREASING WEDNESDAY AFTERNOON AND EVENING. COLD TEMPERATURES: FREEZING TEMPERATURES ARE LIKELY BY LATE WEDNESDAY NIGHT...MAINLY IN THE INLAND VALLEYS. IN ADDITION...PATCHY FROST COULD OCCUR CLOSE TO THE OCEAN AND BAYS LATE WEDNESDAY NIGHT AND EARLY THURSDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS PER STANDARD OPERATING PROCEDURES. CAZ506-507-510>513-311400- NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS- EAST BAY INTERIOR VALLEYS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS-SANTA CLARA VALLEY...INCLUDING SAN JOSE- 514 AM PST TUE DEC 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE INLAND VALLEYS AND MOUNTAINS OF THE SAN FRANCISCO BAY AREA. .DAY ONE...TUESDAY AND TUESDAY NIGHT STRONG AND GUSTY NORTH TO NORTHEAST WINDS ARE FORECAST BEGINNING ON TUESDAY. STRONGEST WINDS WILL BE FROM LATE AFTERNOON TUESDAY THROUGH TUESDAY NIGHT. A WIND ADVISORY IS IN EFFECT. * WIND ADVISORY....SEE SFONPWMTR WWUS76 KMTR FOR DETAILS * .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY STRONG AND GUSTY WINDS WILL CONTINUE THROUGH MIDDAY WEDNESDAY BEFORE GRADUALLY DECREASING WEDNESDAY AFTERNOON AND EVENING. COLD TEMPERATURES: FREEZING TEMPERATURES ARE LIKELY BY LATE WEDNESDAY NIGHT...MAINLY IN THE INLAND VALLEYS. A FREEZE WATCH IS IN EFFECT FOR INLAND PORTIONS OF THE SAN FRANCISCO BAY AREA FROM LATE WEDNESDAY NIGHT THROUGH MID MORNING ON THURSDAY. * FREEZE WATCH....SEE SFONPWMTR WWUS76 KMTR FOR DETAILS * COLD CONDITIONS WILL CONTINUE INTO THURSDAY NIGHT WHEN FREEZING TEMPERATURES ARE ONCE AGAIN POSSIBLE. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS PER STANDARD OPERATING PROCEDURES. CAZ516>518-528-530-311400- SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL PARK- NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 514 AM PST TUE DEC 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MONTEREY AND SAN BENITO COUNTIES. .DAY ONE...TUESDAY AND TUESDAY NIGHT BRISK NORTHERLY WINDS WILL DEVELOP TODAY AND A COLD AIRMASS WILL SWEEP ACROSS THE AREA. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY FREEZING TEMPERATURES ARE LIKELY BY LATE WEDNESDAY NIGHT...MAINLY IN THE INLAND VALLEYS. A FREEZE WATCH IS IN EFFECT FOR INLAND PORTIONS OF MONTEREY AND SAN BENITO COUNTIES FROM LATE WEDNESDAY NIGHT THROUGH MID MORNING ON THURSDAY. TEMPERATURES MAY DROP TO NEAR FREEZING CLOSE TO THE COAST AS WELL. * FREEZE WATCH....SEE SFONPWMTR WWUS76 KMTR FOR DETAILS * COLD CONDITIONS WILL CONTINUE INTO THURSDAY NIGHT WHEN FREEZING TEMPERATURES ARE ONCE AGAIN POSSIBLE. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS PER STANDARD OPERATING PROCEDURES.
The national radar mosaic for the moment the first event began.
52 strong wind, 1 high wind. Local standard time, as filed.
A large tree was blown down and blocking both lanes of Old Redwood Highway near Petaluma.
A tree was blown down onto two vehicles on Concord Road.
High voltage power lines were downed onto the roadway on Bodega Avenue between King and Middle Two Rock Roads. Winds were measured up to 50 MPH in the area at that time.
Tree was blown down blocking both lanes and destroyed the guard rail on Redwood Road. Winds were measured up to 50 MPH in the area at that time.
Winds blew down a tree across both lanes on Bonny Doon Road, one mile up from State Route 1.
A large branch was blown down blocking both lanes of traffic on Lakeville Highway.
A tree was blown down blocking both lanes on Bohemian near Salmon Creek School. Wind gusts were measured between 40 and 50 MPH at the time.
BART service stopped between 24th Street Mission Station and Balboa Park. Major delays reported system wide due to numerous fallen branches and trees on tracks.
Tree blown down on campus of Kings Valley Christian School on Clayton Road. The fallen tree damaged a fence.
Acacia tree blown down across northbound lanes of Graham Hill Road.
Power poles knocked down due to trees falling on them. Downed poles resulted in closure of East Cypress Road. Winds gusting up to 50 MPH in the area.
A tree was blown down onto a vehicle at a gas station on state route 1.
Tree branch blown down to block the on ramp at state route 12 at Dutton Avenue.
Tree blown down onto Interstate 980 off ramp at East 27th Street.
Wires downed by branches on Amesti Road.
Large tree blown down on right hand side of US 101 Northbound near Alum Rock Avenue off ramp.
A fallen tree and power lines onto Blithedale Avenue resulted in the closure of the southbound US 101 Blithedale off ramp.
A tree was blown down blocking a roadway.
A tree was blown down and blocked a lane of Danville Boulevard.
A tree branch was blown down and is blocking the roadway on Acalanes on ramp to eastbound state route 24.
Tree branches blown down blocking Diablo on ramp to northbound Interstate 680.
A large tree branch was blown down blocking roadway lanes on Pruneridge avenue and San Tomas Expressway.
A tree was blown down blocking the slow lane of northbound US 101 about 5 miles south of Milpitas.
A tree was blown down across both lanes of East Dunne Avenue at Finley Ridge Road about 4 miles Northeast of Morgan Hill.
Trees and power poles blown down across Solano Avenue at Orchard about 4 miles northwest of Napa.
A tree was blown down blocking the N McKee Avenue off ramp from Interstate 680.
A large tree was blown down on Kirker Pass Road. The road was closed between Concord and Pittsburg and remained closed for several hours.
Tree blown down and blocking the Woodside Off Ramp from Southbound Interstate 280.
A tree blew down onto power lines on Landess Avenue East off ramp from Interstate 680 South.
Tree blown down and blocking roadway on North Kelly Road just east of State Route 29. Wind gusts measured at 52 MPH at the Napa Airport at the same time.
A tree blown down and blocking all eastbound lanes of Interstate 80 just east of Hercules.
A large pine tree blown down into lanes of eastbound route 4 at Morello Avenue off ramp.
A 30 foot high tree was blown down into portions of the lanes on northbound Interstate 680.
A tree blown down into lanes of westbound route 92 near Belmont.
A tree blown down across 5th Street On ramp to northbound Interstate 880.
A wind gust of 64 MPH was measured atop Mt. Diablo.
Winds broke a telephone pole near Napa. Gusts recorded around 50 MPH at the Napa Airport around this time.
Large tree blown down and blocking most of a roadway.
High winds blew down a walnut tree into the roadway in the east foothills.
Tree blown down into eastbound lanes blocking traffic towards San Ramon from Castro Valley.
A tree blown down into the lanes of southbound Interstate 280 near Tousdale.
A huge pine tree blown down and blocking an entire roadway.
A tree blown down and blocking lanes on Piedras Circle and White Gate Road.
Three substantial size trees blown down and blocking the roadway at State Route 128 and Hoffman Road.
A tree blown down and partially blocking the off ramp from Interstate 580 Eastbound at MacArthur Boulevard.
Trees blown down into power lines. Power lines sparked across all lanes of Monterey Road and Highland Avenue near Gilroy. This caused a significant traffic hazard as cars suddenly braked and swerved off the road to avoid the power lines.
A tree was blown down and blocked the off ramp from US 101 North at South Airport Boulevard near Burlingame.
Tree blown down by strong winds and blocking Lopez and Sloat roads in all directions.
A huge Christmas tree was blown down into the road and blocked the off ramp from US 101 northbound at Third Street near Daly City.
A tree blown down at La Madrona and Sims Road.
Tree blown down onto wires blocking both directions near Dublin.
A tree blown down blocking the Interstate 880 South off ramp onto East Brokaw near Milpitas.
A four foot diameter tree was blown down blocking both lanes of Empire Grade Road and resulting in a closure of the road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2014Every state in 2014This day in weather historyWarnings in California, December 2014
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 551664, 551665, 551667, 551668, 552367, 552368, 552369, 552370, 552371, 552378, 552380, 552381, 552382, 552383, 552385, 552386, 552388, 552389, 552391, 552392, 552394, 552395, 552396, 552398, 552399, 552408, 552457, 552460, 552465, 552466, 552467, 552469, 552470, 552471, 552472, 551662, 552473, 552456, 552474, 552475, and more.