Alert archive / California / High Wind Watches in 2010
High Wind Watch 1, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this high wind watch at Jan 17, 2010, 5:16 AM PST for 6 counties in California. It took effect at Jan 18, 2010, 8:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 17, 2010, 5:16 AM PST (13:16 UTC)
- In effect from
- Jan 18, 2010, 8:00 AM PST
- Expired
- Jan 17, 2010, 2:45 PM PST
- In force
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Monterey County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 14 km from the middle of the area, began a volume at 13:15 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Oakland, CA (KOAK), launched 12:00Z, 1.3 hours before the alert went out and 83 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 21 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 447 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch went out, 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 this high wind watch went out at Jan 17, 4:39 AM PST, 37 minutes earlier.
Area forecast discussion, Jan 17, 4:39 AM PST, 37 minutes before
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</html>Hazardous weather outlook, Jan 16, 6:39 PM PST, 10 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 639 PM PST SAT JAN 16 2010 CAZ506>508-510>513-516>518-528-171500- NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS- SAN FRANCISCO BAY SHORELINE-EAST BAY INTERIOR VALLEYS- EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS- SANTA CLARA VALLEY...INCLUDING SAN JOSE- 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 MONUMENT- NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY- 639 PM PST SAT JAN 16 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR INLAND AREAS OF THE SAN FRANCISCO BAY AREA AND MONTEREY BAY AREA. .DAY ONE...SATURDAY NIGHT A WEAK SYSTEM WILL BRING A CHANCE OF RAIN TO THE DISTRICT... MAINLY NORTH OF MONTEREY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A SERIES OF STORMS ARE EXPECTED TO IMPACT CALIFORNIA DURING THE WEEK. THE FIRST STORM IS FORECAST TO SPREAD RAIN INTO OUR AREA SUNDAY INTO MONDAY. ADDITIONAL STORMS ARE THEN EXPECTED THE REMAINDER OF THE WEEK. DUE TO MANY DAYS OF RAINFALL ACCUMULATION...HYDROLOGIC CONCERNS ARE POSSIBLE. IN ADDITION...THESE STORMS ARE FORECAST TO PRODUCE STRONG GUSTY WINDS BOTH OVER THE WATER AND LAND. * HYDROLOGIC OUTLOOK...SEE SFOESFMTR WWUS86 FOR DETAILS * .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS PER STANDARD OPERATING PROCEDURES. CAZ006-505-509-529-530-PZZ535-171500- SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST-MONTEREY BAY- 639 PM PST SAT JAN 16 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL LOCATIONS OF THE SAN FRANCISCO BAY AREA AND MONTEREY BAY AREA. .DAY ONE...SATURDAY NIGHT A WEAK SYSTEM WILL BRING A CHANCE OF RAIN TO THE DISTRICT... MAINLY NORTH OF MONTEREY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A SERIES OF STORMS ARE EXPECTED TO IMPACT CALIFORNIA DURING THE WEEK. THE FIRST STORM IS FORECAST TO SPREAD RAIN INTO OUR AREA SUNDAY INTO MONDAY. ADDITIONAL STORMS ARE THEN EXPECTED THE REMAINDER OF THE WEEK. DUE TO MANY DAYS OF RAINFALL ACCUMULATION...HYDROLOGIC CONCERNS ARE POSSIBLE. IN ADDITION...THESE STORMS ARE FORECAST TO PRODUCE STRONG GUSTY WINDS BOTH OVER THE WATER AND LAND. IN ADDITION...A LARGE WEST TO NORTHWEST SWELL WILL MOVE INTO COASTAL LOCATIONS STARTING LATE TUESDAY AND CONTINUE THROUGH WEDNESDAY. SEAS ARE FORECAST TO BUILD TO AROUND 25 FEET BY WEDNESDAY WITH EVEN HIGHER AMOUNTS POSSIBLE. * HYDROLOGIC OUTLOOK...SEE SFOESFMTR WWUS86 FOR DETAILS * * MARINE WEATHER STATEMENT...SEE SFOMWSMTR FZUS76 KMTR FOR DETAILS * .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS PER STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 9:13 PM PST | Gale Warning | MTR | 62 hr | |
| Jan 17, 3:01 AM PST | Gale Warning | MTR | 36 hr | |
| Jan 17, 3:01 AM PST | Small Craft Advisory | MTR | 3 days | |
| Jan 17, 2:38 PM PST | Small Craft Advisory for Rough Bar | MTR | 5 days | |
| Jan 17, 2:45 PM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, San Benito, City and County of San Francisco and 4 more | 24 hr |
Nearby
High Wind Watches in California, 2010Every high wind watch in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.