Alert archive / California / High Wind Warnings in 2017
High Wind Warning 5, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this high wind warning at Feb 19, 2017, 1:33 PM PST for 11 counties in California. It took effect at Feb 20, 2017, 1:00 PM PST. It was in force for 13 hr. 60 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 19, 2017, 1:33 PM PST (21:33 UTC)
- In effect from
- Feb 20, 2017, 1:00 PM PST
- Expired
- Feb 21, 2017, 2:17 AM PST
- In force
- 13 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Alameda County, CA, City and County of San Francisco, CA, Contra Costa County, CA, Marin County, CA, Monterey County, CA, Napa County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 46 km from the middle of the area, began a volume at 21:33 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 20, 1:21 PM PST | DEBRIS FLOW | 3 Wnw San Juan Bautista, CA | MUD AND ROCKS BLOCKING FAST LANE OF HWY 101 WEST CONNECTION TO HWY 156 |
| Feb 20, 1:31 PM PST | FLOOD | 5 Sw Corralitos, CA | ROADWAY FLOODED ON SAN ANDREAS RD AT MAREA AVE. |
| Feb 20, 3:20 PM PST | FLOOD | 3 Nne Santa Cruz, CA | FLOODING ROADWAY ENOUGH TO CAUSE VEHICLES TO LOSE TRACTION KIRKER PASS NR HESS RD |
| Feb 20, 3:20 PM PST | DEBRIS FLOW | 3 Sse Watsonville, CA | MUD SLIDE BLOCKING ENTIRE ROAD AT GARIN/ELKHORN |
| Feb 20, 3:31 PM PST | FLOOD | 2 Ssw Prunedale, CA | ROADWAY COMPLETELY FLOODED CROSS RD/REESE CIR |
| Feb 20, 3:34 PM PST | FLOOD | 2 Sse Prunedale, CA | ROADWAY FLOODED PESANTE RD/HOLLY HILL DR |
| Feb 20, 3:49 PM PST | DEBRIS FLOW | 4 Ne Santa Rosa, CA | MUD IS FLOWING ACROSS ROADWAY BLOCKING NORTHBOUND LANES CALISTOGA RD NR JOAQUIN DR |
| Feb 20, 3:50 PM PST | NON-TSTM WND DMG | 9 Wsw Boulder Creek, CA | TREE AND POWERLINE DOWN ACROSS ROADWAY NB1 JUST NORTH OF SWANTON |
| Feb 20, 3:53 PM PST | FLOOD | 5 Nnw Boulder Creek, CA | ROADWAY FLOODING SR236 NR SR9 |
| Feb 20, 4:00 PM PST | FLOOD | 5 Nne Dublin, CA | ROADWAY FLOODING CAUSING TRAFFIC HAZARDS NR 5800 CAMINO TASSAJARA |
| Feb 20, 4:04 PM PST | NON-TSTM WND DMG | 2 Nne Felton, CA | TREE DOWN BLOCKING AT LEAST ONE LANE 8240 E ZAYANTE RD |
| Feb 20, 4:04 PM PST | NON-TSTM WND DMG | 9 Nnw Pinnacles Raws, CA | 3 FOOT DIAMETER PINE TREE BLOCKING ALL LANES SR25 NR WILLOW CREEK RD |
| Feb 20, 4:08 PM PST | FLOOD | 6 S Pleasanton, CA | STATE ROAD 84 COMPLETELY CLOSED IN BOTH DIRECTIONS DUE TO ALAMEDA CREEK FLOODING BTWN MISSON IN FREMONT TO MAIN ST IN SUNOL. 4 TO 5 ROCK SLIDES W FLOODING. |
| Feb 20, 4:08 PM PST | DEBRIS FLOW | 4 Ssw Livermore, CA | SLIDE BLOCKING AT LEAST ONE LANE EB 84 JUST WEST OF VALLECITOS |
| Feb 20, 4:10 PM PST | NON-TSTM WND DMG | 2 E Santa Cruz, CA | TREE DOWN BLOCKING BOTH LANES CAPITOLA RD NR 7TH AVENUE |
| Feb 20, 4:15 PM PST | FLOOD | 1 Sw Dublin, CA | ROADWAY FLOODING AND DEBRIS BOTH LANES EB 580 TO SB 680 |
| Feb 20, 4:16 PM PST | NON-TSTM WND DMG | 1 E Uvas Canyon Park, CA | 30 FOOT TREE DOWN BLOCKING RD NR 7150 CROY RD |
| Feb 20, 4:17 PM PST | NON-TSTM WND DMG | 5 Wnw Carmel Valley Vil, CA | TREE DOWN BLOCKING HALF OF ROADWAY ROBINSON CANYON RD NEAR CARMEL VALLEY RD |
| Feb 20, 4:21 PM PST | NON-TSTM WND DMG | 3 N Santa Cruz, CA | TREE DOWN ON POWER LINES POSBL FIRE BLOCKING TRAFFIC ON SOUTHBOUND 17 NEAR LA MADRONA DR OFFRAMP |
| Feb 20, 4:27 PM PST | NON-TSTM WND DMG | 2 E Boulder Creek, CA | REDWOOD TREE DOWN ACROSS ENTIRE ROADWAY RALSTON RIDGE NR BEAR CREEK RD |
| Feb 20, 4:28 PM PST | NON-TSTM WND DMG | 3 Se Lexington Hills, CA | TREE DOWN ACROSS ENTIRE ROADWAY NR 23920 SUMMIT RD |
| Feb 20, 4:28 PM PST | DEBRIS FLOW | 5 Wsw Belmont, CA | ROCKS AND MUD COMING DOWN FAST INTO WEST BOUND LANE OF SR 92 W NR PILARCITOS CREEK RD |
| Feb 20, 4:29 PM PST | NON-TSTM WND DMG | 5 Ne Scotts Valley, CA | TREE DOWN ON POWER LINE. POWER LINE ON FIRE. NR 25080 SOQUEL SAN JOSE RD |
| Feb 20, 4:31 PM PST | FLOOD | 5 N Hollister, CA | ROADWAY FLOODING 5150 SAN FLIPE RD |
| Feb 20, 4:31 PM PST | DEBRIS FLOW | 9 W Felton, CA | SLIDE BLOCKING NORTHBOUND LANE OF HIGHWAY1 NEAR SCOTT CREEK |
| Feb 20, 4:34 PM PST | DEBRIS FLOW | 4 S Woodside, CA | |
| Feb 20, 4:38 PM PST | FLOOD | 4 N Hollister, CA | POSBL DAMAGE TO BRIDGE ON SAN FELIPE RD BTWN FAIRVIEW AND SR156 |
| Feb 20, 4:38 PM PST | FLOOD | 5 Ne Livermore, CA | AT LEAST 4 FEET OF WATER IN AREA OF LAUGHLIN RD. VEHICLES COVERED WITH WATER UP TO WINDSHIELDS. |
| Feb 20, 4:40 PM PST | DEBRIS FLOW | 1 Ne Prunedale, CA | HEAVY MUD SLIDE ABOUT 3 FEET DEEP BLOCKING ONE LANE NR 18222 MORO RD |
| Feb 20, 4:40 PM PST | DEBRIS FLOW | 7 Wsw La Honda Raws, CA | DEBRIS FLOW BLOCKING PART OF ROADWAY NR CLOVERDALE RD AND PESCADERO CREEK RD |
| Feb 20, 4:41 PM PST | FLOOD | 2 Nnw Gilroy, CA | ROADWAY FLOODING SANTA TERESA BLVD NR DAY RD |
| Feb 20, 4:44 PM PST | FLOOD | 4 Ese Belmont, CA | AT LEAST TWO LANES FLOODING US 101 SOUTH NEAR WOODSIDE ROAD OFFRAMP |
| Feb 20, 4:45 PM PST | FLOOD | 3 Nnw Calaveras Road Ra, CA | STANDING WATER IN AT LEAST ONE LANE I680N NR SR84E |
| Feb 20, 4:47 PM PST | FLOOD | 6 Nnw Hollister, CA | ROADWAY FLOODED SHORE RD NR PERRY CT |
| Feb 20, 4:50 PM PST | NON-TSTM WND DMG | 2 E Lafayette, CA | TREE DOWN BLOCKING EASTBOUND LANES. TOUCHING POWER LINES. BOULEVARD WAY NR KINNEY DR. |
| Feb 20, 4:50 PM PST | NON-TSTM WND DMG | 2 S Lexington Hills, CA | LARGE REDWOOD TREE FELL BLOCKING ALL TRAFFIC. ROADWAY SHUT DOWN AT OLD SUMMIT RD NR MELODY LANE. |
| Feb 20, 4:52 PM PST | NON-TSTM WND DMG | 4 Nne Prunedale, CA | TREE DOWN BLOCKING AT LEAST ONE LANE US101 NR EXIT 342 |
| Feb 20, 4:55 PM PST | NON-TSTM WND DMG | 1 Ne Prunedale, CA | TREE DOWN BLOCKING AT LEAST ONE LANE US101 SOUTH NR CRAZY HORSE CANYON ONRAMP |
| Feb 20, 5:00 PM PST | DEBRIS FLOW | 3 Ssw Cupertino, CA | SLIDE REPORTED |
| Feb 20, 5:01 PM PST | FLOOD | 3 Nnw Milpitas, CA | AT LEAST TWO LANES FLOODED I680N NR SCOTT CREEK RD ONRAMP |
| Feb 20, 5:02 PM PST | NON-TSTM WND GST 62 | 4 Se Big Sur Village, CA | |
| Feb 20, 5:02 PM PST | NON-TSTM WND DMG | 2 Ssw Monterey, CA | TREE DOWN IN ROADWAY OF AGUAJITO RD NR VIEJO RD |
| Feb 20, 5:06 PM PST | DEBRIS FLOW | 3 Sse Belmont, CA | ROCK SLIDE REPORTED ON ROADWAY |
| Feb 20, 5:11 PM PST | FLOOD | 4 Ssw Pleasanton, CA | WATER AND MUD RUNNING ACROSS ROADWAY 2000 KILKARE RD |
| Feb 20, 5:13 PM PST | FLOOD | 3 Nnw Campbell, CA | 2.5 FEET OF WATER BLOCKING SOME LANES OF I280 NR SARATOGA AVENUE OFFRAMP |
| Feb 20, 5:21 PM PST | DEBRIS FLOW | 5 Ene Oakland, CA | MUD BLOCKING SB LANE AND SINK HOLE ALSO IN AREA ON NB SIDE. ROADWAY REPORTEDLY FALLING APART. |
| Feb 20, 5:25 PM PST | DEBRIS FLOW | 3 Sw Los Gatos, CA | HIGHWAY17 SOUTHBOUND SHUT DOWN DUE TO ROCK SLIDE. JUST NORTH OF LEX RESERVOIR. |
| Feb 20, 5:28 PM PST | DEBRIS FLOW | 3 Wnw La Honda Raws, CA | SR 84 NR LA HONDA RD MUD SLIDE BLOCKING EAST BOUND LANES |
| Feb 20, 5:32 PM PST | NON-TSTM WND GST 77 | Los Gatos Raws, CA | |
| Feb 20, 5:32 PM PST | NON-TSTM WND DMG | 3 Nne Campbell, CA | LARGE TREE DOWN BLOCKING MULTIPLE LANES |
| Feb 20, 5:34 PM PST | DEBRIS FLOW | 5 Nne Napa, CA | ROCKS BLOCKING ROADWAY ATLAS PEAK RD NR WESTGATE DR |
| Feb 20, 5:39 PM PST | FLOOD | 3 Nnw Gilroy, CA | FLOODING IN ALL ROADWAY MASTEN AVEN NR FITZGERALD AVE |
| Feb 20, 5:40 PM PST | DEBRIS FLOW | 5 Ssw Cupertino, CA | EASTBOUND LANES OF SR9 BLOCKED NR SANBORN RD |
| Feb 20, 5:45 PM PST | FLOOD | 1 Ne Campbell, CA | HALF A FOOT OF WATER ACROSS ENTIRE SR17 NB OFFRAMP TO HAMILTON AVENUE |
| Feb 20, 5:46 PM PST | DEBRIS FLOW | 6 E Livermore, CA | MUD SLIDE BLOCKING BOTH LANES OF EB PATTERSON PASS JUST EAST OF CROSS RD |
| Feb 20, 5:46 PM PST | DEBRIS FLOW | 8 W La Honda Raws, CA | MUD SLIDE ACROSS ALL LANES HIGHWAY 1 NR POMPONIO BEACH PARKING LOT RD |
| Feb 20, 5:49 PM PST | FLOOD | 5 Se Benicia, CA | SINKHOLE FORMING IN 1-3 LANES OF SB680 NR PACHECO ONRAMP. ROADWAY BEGINNING TO BUCKLE. |
| Feb 20, 5:50 PM PST | FLOOD | 6 Sse Dublin, CA | VEHICLE IN WATER WITH PASSENGERS ATOP OF VEHICLE AWAITING RESCUE. |
| Feb 20, 5:59 PM PST | DEBRIS FLOW | 5 Ne Dublin, CA | MUD SLIDE IN WESTBOUND LANE OF 5707 HIGHLAND RD |
| Feb 20, 6:02 PM PST | NON-TSTM WND DMG | 4 Nw Campbell, CA | TREE BLOCKING AT LEAST TWO LANES I280S NR LAWRENCE EXPRESSWAY OFFRAMP |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Oakland, CA (KOAK), launched 12:00Z, 9.6 hours before the alert went out and 24 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
- 816 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
545 WWUS76 KMTR 192133 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 133 PM PST Sun Feb 19 2017 ...STRONG AND GUSTY SOUTHERLY WINDS WILL DEVELOP LATE SUNDAY AND PERSIST INTO MONDAY... .A strong Pacific storm system will impact the California coast today through Monday. Southerly winds in advance of this system will increase late this afternoon and evening... especially along the coast and in the hills. Locally strong and gusty winds will then continue through tonight and Monday. Strongest winds are anticipated on Monday as a frontal boundary gradually moves south through the area. Winds will slowly diminish through Monday night. CAZ006-505>507-509>512-517-518-529-530-201500- /O.NEW.KMTR.HW.W.0005.170220T2100Z-170221T1100Z/ /O.EXT.KMTR.WI.Y.0012.170220T0000Z-170220T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-North Bay Mountains- San Francisco Peninsula Coast-East Bay Interior Valleys- East Bay Hills and the Diablo Range-Santa Cruz Mountains- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- Including the cities of...San Francisco...Tamalpais-Homestead... Sausalito...Santa Rosa...South Santa Rosa...Napa...San Rafael... Petaluma...Novato...Rohnert Park...Angwin... Lagunitas-Forest Knolls...Woodacre...Pacifica...Concord... Antioch...Livermore...Walnut Creek...Pleasanton...Pittsburg... San Ramon...Blackhawk...Scotts Valley...Boulder Creek... Day Valley...Santa Cruz...Watsonville...Live Oak...Seaside... Monterey...Marina 133 PM PST Sun Feb 19 2017 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM PST MONDAY... ...HIGH WIND WARNING IN EFFECT FROM 1 PM MONDAY TO 3 AM PST TUESDAY... The National Weather Service in San Francisco has issued a High Wind Warning...which is in effect from 1 PM Monday to 3 AM PST Tuesday. * TIMING...Southeast winds increase this afternoon through tonight. Strongest southerly winds expected Monday afternoon and Monday evening. Winds diminish overnight into Tuesday. * WINDS...Sustained southeast winds 20 to 30mph today shifting south and increasing to 25 to 35 mph tomorrow afternoon and evening. Wind gusts 30 to 40 mph today increasing to 45 to 60 mph by tomorrow afternoon and evening. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Saturated soils will also contribute to an increased risk of downed trees and powerlines during these stronger winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 35 mph and gusts of 45 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. Winds this strong combined with saturated soils can result in downed trees and power outages. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ508-513-516-528-201500- /O.EXT.KMTR.WI.Y.0012.170220T0000Z-170221T1100Z/ San Francisco Bay Shoreline-Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of...Oakland...Fremont...Hayward... Daly City...Berkeley...San Jose...Greenfield...King City... Salinas 133 PM PST Sun Feb 19 2017 ...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PST TUESDAY... * TIMING...Southeast winds increase this afternoon through tonight. Strongest southerly winds expected Monday afternoon and Monday evening. Winds diminish overnight into Tuesday. * WINDS...Sustained southeast winds 20 to 35 mph with gusts of 40 to 50 mph. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Saturated soils will also contribute to an increased risk of downed trees and powerlines during these stronger winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 35 mph and gusts of 45 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. Winds this strong combined with saturated soils can result in downed trees and power outages. && $$
3 follow-up statements
898 WWUS76 KMTR 200410 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 810 PM PST Sun Feb 19 2017 ...STRONG AND GUSTY SOUTHERLY WINDS WILL DEVELOP LATE SUNDAY AND PERSIST THROUGH MONDAY EVENING... ...STRONGEST WINDS EXPECTED MONDAY AFTERNOON AND EVENING... .A strong Pacific storm system will impact the San Francisco Bay Area and Monterey Bay Area through Monday Night. Southerly winds in advance of this system will increase on Sunday night, especially along the coast and in the hills. Locally strong and gusty winds will then continue through Monday night. Strongest winds are anticipated Monday afternoon and evening as a frontal boundary gradually moves south through the area. Winds will slowly diminish late Monday night. CAZ506-201800- /O.CAN.KMTR.HW.W.0005.170220T2100Z-170221T1100Z/ /O.EXT.KMTR.WI.Y.0012.000000T0000Z-170221T1100Z/ North Bay Interior Valleys- Including the cities of...Santa Rosa...South Santa Rosa...Napa... San Rafael...Petaluma...Novato...Rohnert Park 810 PM PST Sun Feb 19 2017 ...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PST TUESDAY... ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in San Francisco has cancelled the High Wind Warning for the North Bay Valleys. A wind advisory remains in effect. * TIMING...Southeast winds increase tonight through Monday morning. Strongest southerly winds expected Monday afternoon and Monday evening. Winds diminish late Monday night. * WINDS...Sustained southerly winds 10 to 20 mph with gusts to 45 mph Sunday night and Monday morning. Winds increasing to 15 to 25 mph Monday afternoon and evening with gusts to 50 mph. Winds decrease late Monday night. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Saturated soils will also contribute to an increased risk of downed trees and powerlines. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. Winds this strong combined with saturated soils can result in downed trees and power outages. && $$ CAZ006-505-507-509>512-517-518-529-530-201800- /O.CON.KMTR.HW.W.0005.170220T2100Z-170221T1100Z/ /O.CON.KMTR.WI.Y.0012.000000T0000Z-170220T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Mountains-San Francisco Peninsula Coast- East Bay Interior Valleys-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- Including the cities of...San Francisco...Tamalpais-Homestead... Sausalito...Angwin...Lagunitas-Forest Knolls...Woodacre... Pacifica...Concord...Antioch...Livermore...Walnut Creek... Pleasanton...Pittsburg...San Ramon...Blackhawk...Scotts Valley... Boulder Creek...Day Valley...Santa Cruz...Watsonville... Live Oak...Seaside...Monterey...Marina 810 PM PST Sun Feb 19 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 1 PM MONDAY TO 3 AM PST TUESDAY... * TIMING...Southeast winds increase tonight through Monday morning and then increase further on Monday afternoon. Strongest southerly winds expected Monday afternoon and Monday evening. Winds diminish late Monday night. * WINDS...Sustained southerly winds 15 to 25 mph with gusts to 45 mph Sunday night and Monday morning. Winds increasing to 25 to 40 mph Monday afternoon and evening with gusts to 60 mph. Winds decrease late Monday night. * IMPACTS...By Monday afternoon winds may be strong enough to cause property damage. Strong and gusty winds will make driving difficult, especially for drivers of high profile vehicles. Saturated soils will also contribute to an increased risk of downed trees and powerlines. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. Winds this strong combined with saturated soils can result in downed trees and power outages. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ508-513-516-528-201800- /O.CON.KMTR.WI.Y.0012.000000T0000Z-170221T1100Z/ San Francisco Bay Shoreline-Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of...Oakland...Fremont...Hayward... Daly City...Berkeley...San Jose...Greenfield...King City... Salinas 810 PM PST Sun Feb 19 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST TUESDAY... * TIMING...Southeast winds increase tonight through Monday morning. Strongest southerly winds expected Monday afternoon and Monday evening. Winds diminish late Monday night. * WINDS...Sustained southerly winds 15 to 25 mph with gusts to 45 mph Sunday night and Monday morning. Winds increasing to 20 to 30 mph Monday afternoon and evening with gusts to 50 mph. Winds decrease late Monday night. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Saturated soils will also contribute to an increased risk of downed trees and powerlines. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. Winds this strong combined with saturated soils can result in downed trees and power outages. && $$
487 WWUS76 KMTR 201323 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 523 AM PST Mon Feb 20 2017 ...STRONG AND GUSTY SOUTHERLY WINDS EXPECTED THROUGH THIS AFTERNOON AND EVENING... .A strong Pacific storm system will impact the San Francisco Bay Area and Monterey Bay Area through Monday night. Southerly winds in advance of this system will increase through this morning, especially along the coast and in the hills. Locally strong and gusty winds will then continue through Monday night. Strongest winds are anticipated this afternoon and evening as a frontal boundary gradually moves south through the area. Winds will slowly diminish late tonight. CAZ006-505-507-509>512-517-518-529-530-210500- /O.CON.KMTR.HW.W.0005.170220T2100Z-170221T1100Z/ /O.CON.KMTR.WI.Y.0012.000000T0000Z-170220T2100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Mountains-San Francisco Peninsula Coast- East Bay Interior Valleys-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- Including the cities of...San Francisco...Tamalpais-Homestead... Sausalito...Angwin...Lagunitas-Forest Knolls...Woodacre... Pacifica...Concord...Antioch...Livermore...Walnut Creek... Pleasanton...Pittsburg...San Ramon...Blackhawk...Scotts Valley... Boulder Creek...Day Valley...Santa Cruz...Watsonville... Live Oak...Seaside...Monterey...Marina 523 AM PST Mon Feb 20 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 3 AM PST TUESDAY... * TIMING...Southeast winds increase through this morning and then further intensify this afternoon. Strongest southerly winds expected this afternoon and evening. Winds diminish late tonight. * WINDS...Sustained southerly winds 15 to 25 mph with gusts to 45 mph. Winds increasing to 25 to 40 mph this afternoon and evening with gusts to 60 mph. * IMPACTS...Winds may be strong enough to cause property damage. Strong and gusty winds will make driving difficult, especially for drivers of high profile vehicles. Saturated soils will also contribute to an increased risk of downed trees and powerlines. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. Winds this strong combined with saturated soils can result in downed trees and power outages. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ506-508-513-516-528-210500- /O.CON.KMTR.WI.Y.0012.000000T0000Z-170221T1100Z/ North Bay Interior Valleys-San Francisco Bay Shoreline- Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of...Santa Rosa...South Santa Rosa...Napa... San Rafael...Petaluma...Novato...Rohnert Park...Oakland... Fremont...Hayward...Daly City...Berkeley...San Jose... Greenfield...King City...Salinas 523 AM PST Mon Feb 20 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST TUESDAY... * TIMING...Southeast winds increase through this morning. Strongest southerly winds expected this afternoon and evening. Winds diminish late tonight. * WINDS...Sustained southerly winds 15 to 25 mph with gusts to 45 mph. Winds increasing to 20 to 30 mph this afternoon and evening with gusts to 50 mph. * IMPACTS...Gusty winds will make driving difficult especially for drivers of high profile vehicles. Saturated soils will also contribute to an increased risk of downed trees and powerlines. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of at least 45 mph are expected. Winds this strong can make driving difficult... especially for high profile vehicles. Use extra caution. Winds this strong combined with saturated soils can result in downed trees and power outages. && $$
162 WWUS76 KMTR 211017 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 217 AM PST Tue Feb 21 2017 CAZ006-505-507-509>512-517-518-529-530-211130- /O.CAN.KMTR.HW.W.0005.000000T0000Z-170221T1100Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Mountains-San Francisco Peninsula Coast- East Bay Interior Valleys-East Bay Hills and the Diablo Range- Santa Cruz Mountains- Santa Lucia Mountains and Los Padres National Forest- Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- Including the cities of...San Francisco...Tamalpais-Homestead... Sausalito...Angwin...Lagunitas-Forest Knolls...Woodacre... Pacifica...Concord...Antioch...Livermore...Walnut Creek... Pleasanton...Pittsburg...San Ramon...Blackhawk...Scotts Valley... Boulder Creek...Day Valley...Santa Cruz...Watsonville... Live Oak...Seaside...Monterey...Marina 217 AM PST Tue Feb 21 2017 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in San Francisco has cancelled the High Wind Warning. Wind speeds across the region have fallen below warning criteria and will continue to diminish. However, breezy to locally gusty winds will remain possible through early morning. $$ CAZ506-508-513-516-528-211130- /O.CAN.KMTR.WI.Y.0012.000000T0000Z-170221T1100Z/ North Bay Interior Valleys-San Francisco Bay Shoreline- Santa Clara Valley Including San Jose- Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Northern Salinas Valley/Hollister Valley and Carmel Valley- Including the cities of...Santa Rosa...South Santa Rosa...Napa... San Rafael...Petaluma...Novato...Rohnert Park...Oakland... Fremont...Hayward...Daly City...Berkeley...San Jose... Greenfield...King City...Salinas 217 AM PST Tue Feb 21 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in San Francisco has cancelled the Wind Advisory. Wind speeds across the region have fallen below advisory criteria and will continue to diminish. However, breezy to locally gusty winds will remain possible through early morning. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 9:19 PM PST | Gale Warning | MTR | 53 hr | |
| Feb 18, 9:19 PM PST | Small Craft Advisory | MTR | 41 hr |
Nearby
High Wind Warnings in California, 2017Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.