Alert archive / California / Wind Advisories in 2017
Wind Advisory 13, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Mar 24, 2017, 2:51 AM PDT for San Mateo County, Santa Clara County, Santa Cruz County, California. It took effect at Mar 24, 2017, 6:00 AM PDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 24, 2017, 2:51 AM PDT (09:51 UTC)
- In effect from
- Mar 24, 2017, 6:00 AM PDT
- Expired
- Mar 24, 2017, 12:52 PM PDT
- In force
- 7 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 09:54 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, 9.9 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
- 1319 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
093 WWUS76 KMTR 240951 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 251 AM PDT Fri Mar 24 2017 ...STRONG AND GUSTY SOUTHERLY WINDS expected this morning AND afternoon... .a cold front will bring strong and gusty winds to the area today as it moves through. The strongest winds are expected to be across the higher terrain from the Santa Cruz Mountains northward, as well as along the San Francisco Peninsula Coastline. Winds will diminish during the afternoon. CAZ507-242200- /O.NEW.KMTR.WI.Y.0013.170324T1300Z-170324T2200Z/ North Bay Mountains- Including the cities of Angwin, Lagunitas-Forest Knolls, and Woodacre 251 AM PDT Fri Mar 24 2017 ...WIND ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 3 PM PDT THIS AFTERNOON... The National Weather Service in San Francisco has issued a Wind Advisory, which is in effect from 6 AM this morning to 3 PM PDT this afternoon. * TIMING...This morning through mid afternoon. * WINDS...Southerly winds of 20 to 35 mph with gusts to 45 mph. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Downed trees and powerlines are also possible during these strong winds. 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. && $$ CAZ509-511-512-242200- /O.NEW.KMTR.WI.Y.0013.170324T1700Z-170325T0200Z/ San Francisco Peninsula Coast-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Including the cities of Pacifica, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 251 AM PDT Fri Mar 24 2017 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM PDT THIS EVENING... The National Weather Service in San Francisco has issued a Wind Advisory, which is in effect from 10 AM this morning to 7 PM PDT this evening. * TIMING...Mid morning through early this evening. * WINDS...Southerly winds of 25 to 35 mph with gusts to 45 mph. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Downed trees and powerlines are also possible during these strong winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
1 follow-up statement
980 WWUS76 KMTR 241952 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 1252 PM PDT Fri Mar 24 2017 CAZ509-511-512-242100- /O.CAN.KMTR.WI.Y.0013.000000T0000Z-170325T0200Z/ San Francisco Peninsula Coast-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Including the cities of Pacifica, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley 1252 PM PDT Fri Mar 24 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in San Francisco has cancelled the Wind Advisory. Although locally gusty southerly winds can be expect into the evening, they are no longer expected to reach advisory criteria. $$ CAZ507-242100- /O.CAN.KMTR.WI.Y.0013.000000T0000Z-170324T2200Z/ North Bay Mountains- Including the cities of Angwin, Lagunitas-Forest Knolls, and Woodacre 1252 PM PDT Fri Mar 24 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in San Francisco has cancelled the Wind Advisory. Although locally gusty southerly winds can be expect into the evening, they are no longer expected to reach advisory criteria. $$
Nearby
Wind Advisories in California, 2017Every wind advisory in 2017
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.