Alert archive / California / Wind Advisories in 2011
Wind Advisory 1, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Feb 5, 2011, 2:52 AM PST for San Mateo County, Santa Clara County, Santa Cruz County, California. It took effect at Feb 5, 2011, 4:00 PM PST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Feb 5, 2011, 2:52 AM PST (10:52 UTC)
- In effect from
- Feb 5, 2011, 4:00 PM PST
- Expired
- Feb 6, 2011, 10:00 AM PST
- In force
- 18 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties 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 10:51 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 00:00Z, 10.9 hours before the alert went out and 58 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2288 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
682 WWUS76 KMTR 051052 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 252 AM PST SAT FEB 5 2011 ...GUSTY NORTH WINDS EXPECTED TONIGHT OVER THE HIGHER TERRAIN... .A TIGHTENING SURFACE PRESSURE GRADIENT ACROSS CALIFORNIA WILL RESULT IN INCREASING NORTHERLY WINDS TONIGHT AND SUNDAY. WINDS ARE EXPECTED TO BE STRONGEST OVER THE HIGHER TERRAIN OF THE NORTH AND EAST BAY AREAS AS WELL AS IN THE SANTA CRUZ MOUNTAINS. CAZ507-511-512-052000- /O.NEW.KMTR.WI.Y.0001.110206T0000Z-110206T1800Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- 252 AM PST SAT FEB 5 2011 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST SUNDAY FOR THE NORTH BAY MOUNTAINS...THE EAST BAY HILLS AND DIABLO RANGE AND THE SANTA CRUZ MOUNTAINS... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST SUNDAY. * TIMING: WINDS WILL RAMP UP LATE THIS AFTERNOON AND CONTINUE THROUGH MID MORNING SUNDAY. * WINDS: NORTH WINDS OF 25 TO 35 MPH WITH LOCAL GUSTS TO 45 MPH ARE POSSIBLE. * IMPACTS: STRONG GUSTY WINDS WILL MAKE DRIVING HIGH PROFILE VEHICLES DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SS
4 follow-up statements
759 WWUS76 KMTR 051950 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1150 AM PST SAT FEB 5 2011 ...GUSTY NORTH WINDS TONIGHT OVER THE HILLS OF THE BAY AREA... .A TIGHTENING SURFACE PRESSURE GRADIENT ACROSS CALIFORNIA WILL RESULT IN INCREASING NORTHERLY WINDS TONIGHT THROUGH SUNDAY MORNING. WINDS ARE EXPECTED TO BE STRONGEST OVER THE HIGHER TERRAIN OF THE NORTH AND EAST BAY HILLS AS WELL AS IN THE SANTA CRUZ MOUNTAINS. CAZ507-511-512-060500- /O.CON.KMTR.WI.Y.0001.110206T0000Z-110206T1800Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- 1150 AM PST SAT FEB 5 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST SUNDAY FOR THE HILLS ABOVE 1000 FEET... A WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST SUNDAY. * TIMING: WINDS WILL INCREASE LATE THIS AFTERNOON...BE STRONGEST DURING THE OVERNIGHT HOURS AND CONTINUE THROUGH MID MORNING SUNDAY. * WINDS: NORTH WINDS OF 25 TO 35 MPH WITH FREQUENT GUSTS TO 45 MPH ARE FORECAST FOR ELEVATIONS ABOVE 1000 FEET. LOCAL GUSTS TO 55 MPH OVER THE HIGHEST PEAKS ABOVE 2500 FEET. * IMPACTS: STRONG GUSTY WINDS WILL MAKE DRIVING HIGH PROFILE VEHICLES DIFFICULT. IN ADDITION WINDS OF THIS STRENGTH CAN BRING DOWN POWER LINES AND WEAKENED TREE LIMBS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
275 WWUS76 KMTR 060347 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 747 PM PST SAT FEB 5 2011 ...GUSTY NORTH WINDS TONIGHT OVER THE HILLS OF THE BAY AREA... .A TIGHTENING SURFACE PRESSURE GRADIENT ACROSS CALIFORNIA WILL RESULT IN INCREASING NORTHERLY WINDS TONIGHT. WINDS ARE EXPECTED TO BE STRONGEST OVER THE HIGHER TERRAIN OF THE NORTH AND EAST BAY HILLS AS WELL AS IN THE SANTA CRUZ MOUNTAINS. CAZ507-511-512-061400- /O.CON.KMTR.WI.Y.0001.000000T0000Z-110206T1800Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- 747 PM PST SAT FEB 5 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY FOR ELEVATIONS ABOVE 1000 FEET IN THE SAN FRANCISCO BAY AREA... A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY. * TIMING: WINDS WILL INCREASE ON SATURDAY EVENING...BE STRONGEST DURING THE OVERNIGHT HOURS...AND CONTINUE THROUGH MID MORNING SUNDAY. * WINDS: NORTH WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 45 MPH ARE FORECAST FOR ELEVATIONS ABOVE 1000 FEET. STRONGEST WINDS ARE EXPECTED ABOVE 1500 FEET. * IMPACTS: STRONG GUSTY WINDS WILL MAKE DRIVING HIGH PROFILE VEHICLES DIFFICULT. IN ADDITION WINDS OF THIS STRENGTH CAN BRING DOWN POWER LINES AND WEAKENED TREE LIMBS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WIND GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ DYKEMA
652 WWUS76 KMTR 061310 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 510 AM PST SUN FEB 6 2011 ...GUSTY NORTH WINDS THIS MORNING OVER THE HILLS OF THE SAN FRANCISCO BAY AREA... .LARGE PRESSURE DIFFERENCES ACROSS CALIFORNIA ARE RESULTING GUSTY NORTHERLY WINDS EARLY THIS MORNING. WIND GUSTS AS HIGH AS 45 MPH HAVE BEEN REPORTED IN THE HILLS ABOVE 1000 FEET. LOCALLY STRONG AND GUSTY WINDS ARE EXPECTED TO CONTINUE THROUGH MID MORNING...AND THEN SUBSIDE BY LATE MORNING. CAZ507-511-512-061800- /O.CON.KMTR.WI.Y.0001.000000T0000Z-110206T1800Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- 510 AM PST SUN FEB 6 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING FOR ELEVATIONS ABOVE 1000 FEET IN THE SAN FRANCISCO BAY AREA. * TIMING: WINDS WILL BE STRONGEST EARLY SUNDAY MORNING...AND THEN BEGIN TO SUBSIDE BY MID MORNING. * WINDS: NORTH WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 45 MPH ARE FORECAST FOR ELEVATIONS ABOVE 1000 FEET. * IMPACTS: STRONG GUSTY WINDS WILL MAKE DRIVING HIGH PROFILE VEHICLES DIFFICULT. IN ADDITION...WINDS OF THIS STRENGTH CAN BRING DOWN POWER LINES AND WEAKENED TREE LIMBS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WIND GUSTS OF AT LEAST 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ DYKEMA
559 WWUS76 KMTR 061738 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 938 AM PST SUN FEB 6 2011 CAZ507-511-512-061845- /O.EXP.KMTR.WI.Y.0001.000000T0000Z-110206T1800Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- 938 AM PST SUN FEB 6 2011 ...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING... THE WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. OFFSHORE WINDS IN THE HILLS WILL CONTINUE TO DECREASE THROUGH MIDDAY. SINCE THE PERIOD OF STRONGEST WINDS HAS NOW PASSED THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE. SOME LOCAL GUSTS TO AROUND 45 MPH WILL STILL BE POSSIBLE THROUGH EARLY THIS AFTERNOON BUT WIDESPREAD STRONG WINDS ARE NO LONGER EXPECTED. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 2:22 AM PST | Gale Warning | MTR | 26 hr |
Nearby
Wind Advisories in California, 2011Every wind advisory in 2011
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.