Gusty winds during the late morning of Friday November 18, 2011 caused an injury.
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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.
Gusty winds during the late morning of Friday November 18, 2011 caused an injury.
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 Nov 18, 9:52 AM PST, 1 hour 8 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
952 AM PST FRI NOV 18 2011
.DISCUSSION...AS OF 9:01 AM PST FRIDAY...A LOW PRESSURE SYSTEM IS
CURRENTLY CENTERED OVER THE WASHINGTON CANADIAN BORDER. SATELLITE
WATER VAPOUR IMAGERY IS SHOWING AN ASSOCIATED BOUNDARY PUSHING
THROUGH NORTHERN CALIFORNIA. THIS BOUNDARY HAS BROUGHT LIGHT RAIN
TO UKIAH AND MAY BRING LIGHT RAIN TO THE NORTH BAY AREA SHORTLY.
FORECAST MODELS DO SHOW THIS WEAK BOUNDARY SLIDING SOUTH
THROUGHOUT THE DAY TODAY BRINGING WITH IT AT LEAST A SLIGHT CHANCE
OF RAIN TO THE SAN FRANCISCO BAY AREA BY THIS AFTERNOON REACHING
MONTEREY THIS EVENING. ANY RAIN ASSOCIATED WITH THIS BOUNDARY WILL
BE LIGHT.
ONCE THIS BOUNDARY PASSES A LOW PRESSURE SYSTEM CURRENTLY
DEVELOPING IN THE GULF OF ALASKA WILL PUSH TOWARDS NORTHERN
CALIFORNIA. THE 1200Z NAM12 AND GFS40 ARE IN GOOD AGREEMENT ALONG
WITH THE 0000Z ECMWF WITH BRINGING THIS LOW PRESSURE SYSTEM TO
NORTHERN CALIFORNIA BY SATURDAY AFTERNOON. THIS SPELLS A CHANCE OF
RAIN BEGINNING IN THE NORTH BAY LATE AFTERNOON. AS THE LOW CONTINUES
TO MOVE SOUTH RAIN WILL PUSH TOWARDS MONTEREY. COOL AIR ASSOCIATED
WITH THIS LOW PRESSURE SYSTEM WILL DRIVE SNOW LEVELS DOWN TO
AROUND 3500 TO 4000 FEET. THIS WILL RESULT IN SOME SNOW SHOWERS
OVER THE HIGHER TERRAIN AND WOULDN'T BE SURPRISED IF MT HAMILTON
RECEIVES A DUSTING OF SNOW SATURDAY NIGHT INTO SUNDAY MORNING.
NEXT WEEK WILL BEGIN DRY WITH GOOD AGREEMENT BETWEEN THE ECMWF AND
GFS ON A RIDGE DEVELOPING OVER THE CALIFORNIA COAST. BOTH MODELS
ARE ALSO IN GOOD AGREEMENT WITH A STORM SYSTEM REACHING THE
CENTRAL COAST WEDNESDAY BRINGING RAIN TO THE AREA THROUGH
THANKSGIVING. THE OPERATIONAL GFS IS ALSO INDICATING STRENGTHENING
SOUTHERLY WINDS ALONG THE COAST AND HILLS. THESE WINDS MAY REACH
ADVISORY LEVELS SO WILL CONTINUE TO MONITOR THE FORECAST MODELS
FOR POTENTIAL ADVISORY LEVEL WINDS AS THIS STORM NEARS THE COAST.
&&
.AVIATION...AS OF 10:00 AM PST FRIDAY...SHOWERS ARE CURRENTLY
MOVING TOWARD OUR AREA WITH COASTAL RADARS SHOWING THE LEADING
EDGE OF SHOWERS STILL WELL TO THE NORTH. MAIN GROUP OF SHOWERS
WILL NOT ARRIVE UNTIL AFTER 0Z AND SHOULD BE SPOTTY AT BEST FOR
SFO SOUTHWARD. CIGS WILL GENERALLY BE VFR. MODERATE CONFIDENCE.
VICINITY OF KSFO...VFR THROUGH AT LEAST 0Z. SHOWERS POSSIBLE AFTER
0Z WITH LATEST GUIDANCE PUSHING IT CLOSER TO 02/03Z. CIGS COULD
DROP TO MVFR WITH THE SHOWERS. MODERATE TO HIGH CONFIDENCE THROUGH
0Z. MODERATE CONFIDENCE AFTER 0Z.
KSFO BRIDGE APPROACH...SIMILAR TO KSFO.
MONTEREY BAY AREA TERMINALS...VFR THROUGH THE DAY TODAY. SLIGHT
CHANCE FOR SHOWERS WITH MVFR CIGS AFTER 06Z. HIGH CONFIDENCE
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
.TDAY...SCA...PT ARENA TO PT REYES 0-10 NM FROM 3 PM
SCA...PT ARENA TO PIGEON PT 10-60 NM FROM 3 PM
SCA...PT PINOS TO PT PIEDRAS BLANCAS 0-10 NM
SCA...PIGEON PT TO PT PIEDRAS BLANCAS 10-60 NM
&&
PUBLIC FORECAST: LARRY
AVIATION/MARINE: BELLThe national radar mosaic for the moment the first event began.
1 strong wind. Local standard time, as filed.
A worker in a crane was burned around 1120PST Friday November 18, 2011 when a gust of wind blew him into a power line.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2011Every state in 2011This day in weather historyWarnings in California, November 2011
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: 353092.