Alert archive / Washington / High Wind Warnings in 2011
High Wind Warning 13, NWS Seattle, WA
NWS Seattle, WA issued this high wind warning at Nov 26, 2011, 12:00 PM PST for San Juan County, Washington. It took effect at Nov 26, 2011, 9:00 PM PST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 26, 2011, 12:00 PM PST (20:00 UTC)
- In effect from
- Nov 26, 2011, 9:00 PM PST
- Expired
- Nov 27, 2011, 9:00 AM PST
- In force
- 12 hr
- Issued by
- NWS Seattle, WA
County San Juan County, WA
The radar
The Seattle radar (KATX), 54 km from the middle of the area, began a volume at 19:58 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
Quillayute State, WA (KUIL), launched 12:00Z, 8.0 hours before the alert went out and 127 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
- 610 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 525 m²/s²
- 0-3 km storm-relative helicity
- 627 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
481 WWUS76 KSEW 262000 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 1200 PM PST SAT NOV 26 2011 ...STRONG WINDS POSSIBLE ALONG THE COAST AND NORTH INTERIOR TONIGHT THROUGH EARLY SUNDAY MORNING... .A STRONG COLD FRONT OVER SOUTHERN BRITISH COLUMBIA WILL BEGIN MOVING SLOWLY SOUTH TONIGHT...THEN CROSS WESTERN WASHINGTON ON SUNDAY. STRONG SOUTH TO SOUTHEAST WINDS WILL DEVELOP AHEAD OF THIS SYSTEM TONIGHT WITH DAMAGING WINDS POSSIBLE. WAZ516-517-270500- /O.UPG.KSEW.HW.A.0007.111127T0000Z-111127T1200Z/ /O.NEW.KSEW.HW.W.0013.111127T0500Z-111127T1700Z/ NORTH COAST-CENTRAL COAST- 1200 PM PST SAT NOV 26 2011 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PST SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WIND...SOUTH TO SOUTHEAST WIND 30 TO 40 MPH WITH GUSTS TO 60 MPH POSSIBLE...BECOMING SOUTHWEST EARLY SUNDAY MORNING. * TIMING...PEAK WINDS WILL LIKELY OCCUR LATE THIS EVENING THROUGH EARLY SUNDAY MORNING. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES OR BREAK LIMBS AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. HIGH WINDS CAN TOPPLE TREES...DOWN POWER LINES... AND DESTROY PROPERTY. && $$ WAZ001-503-506-510-270500- /O.UPG.KSEW.HW.A.0007.111127T0000Z-111127T1200Z/ /O.NEW.KSEW.HW.W.0013.111127T0500Z-111127T1700Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 1200 PM PST SAT NOV 26 2011 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PST SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * WIND...SOUTH TO SOUTHEAST WIND 30 TO 40 MPH WITH GUSTS TO 60 MPH POSSIBLE...BECOMING SOUTHWEST EARLY SUNDAY MORNING. * TIMING...PEAK WINDS WILL LIKELY OCCUR LATE THIS EVENING THROUGH EARLY SUNDAY MORNING. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES OR BREAK LIMBS AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. HIGH WINDS CAN TOPPLE TREES...DOWN POWER LINES... AND DESTROY PROPERTY. && $$ 33
2 follow-up statements
392 WWUS76 KSEW 270337 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 737 PM PST SAT NOV 26 2011 WAZ516-517-271145- /O.CON.KSEW.HW.W.0013.111127T0500Z-111127T1700Z/ NORTH COAST-CENTRAL COAST- 737 PM PST SAT NOV 26 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY... * SOME AFFECTED LOCATIONS...FORKS AND CLEARWATER. * WIND...INCREASING FROM THE SOUTH AT 25 TO 35 MPH WITH LOCAL GUSTS NEAR 60 MPH AFTER MIDNIGHT TONIGHT. * TIMING...THE STRONGEST WINDS ARE EXPECTED TO OCCUR BETWEEN 2 AM AND 6 AM SUNDAY. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES OR BREAK LIMBS AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS DAMAGING WINDS ARE OCCURRING OR IMMINENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER ARE LIKELY OR OCCURRING. && $$ WAZ001-503-506-510-271145- /O.CON.KSEW.HW.W.0013.111127T0500Z-111127T1700Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 737 PM PST SAT NOV 26 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY... * AFFECTED AREA...MAINLY THE NORTH PORTION OF WHIDBEY ISLAND NORTHWARD. SOME LOCATIONS THAT WILL BE IMPACTED...POINT ROBERTS...BELLINGHAM...ANACORTES...AND OAK HARBOR. * WIND...SOUTHERLY AND INCREASING TO 30 TO 40 MPH WITH GUSTS TO 60 MPH OVERNIGHT. WINDS WERE ALREADY BLOWING NEAR 30 MPH WITH GUSTS TO 40 MPH AT TIMES OVER THE NORTHERN PART OF WHIDBEY ISLAND LATE THIS EVENING. * TIMING...THE STRONGEST WINDS ARE EXPECTED TO OCCUR BETWEEN 4 AM AND 8 AM SUNDAY. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES OR BREAK LIMBS AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS DAMAGING WINDS ARE OCCURRING OR IMMINENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER ARE LIKELY OR OCCURRING. && $$ WWW.WEATHER.GOV
881 WWUS76 KSEW 271153 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 353 AM PST SUN NOV 27 2011 WAZ516-517-271700- /O.CON.KSEW.HW.W.0013.000000T0000Z-111127T1700Z/ NORTH COAST-CENTRAL COAST- 353 AM PST SUN NOV 27 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * SOME AFFECTED LOCATIONS...FORKS AND CLEARWATER. * WIND...SOUTH AT 20 TO 35 MPH WITH LOCAL GUSTS TO 50 MPH. ISOLATED GUSTS TO 60 MPH ARE POSSIBLE. * TIMING...THE STRONGEST WINDS ARE EXPECTED TO LAST THROUGH ABOUT 6 AM...THEN SHIFT SOUTHWEST AND DECREASE BY 8 AM. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES OR BREAK LIMBS AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS DAMAGING WINDS ARE OCCURRING OR IMMINENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER ARE LIKELY OR OCCURRING. && $$ WAZ001-503-506-510-271700- /O.CON.KSEW.HW.W.0013.000000T0000Z-111127T1700Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 353 AM PST SUN NOV 27 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * AFFECTED AREA...THE ADMIRALTY INLET AREA...WHIDBEY ISLAND...THE SAN JUAN ISLAND...MAINLY THE COASTAL AREAS OF WHATCOM AND SKAGIT COUNTIES. SOME LOCATIONS THAT WILL BE IMPACTED...POINT ROBERTS...BELLINGHAM...ANACORTES...AND OAK HARBOR...PORT TOWNSEND. * WIND...SOUTH WINDS 20 TO 35 MPH WITH LOCAL GUSTS TO 50 MPH. ISOLATED GUSTS TO 60 MPH ARE POSSIBLE. LOCAL GUSTS TO 50 MPH HAVE BEEN OCCURRING THE PAST FEW HOURS. * TIMING...THE STRONGEST WINDS ARE EXPECTED TO LAST THROUGH 6 AM THEN GRADUALLY DECREASE. WINDS SHOULD SHIFT SOUTHWEST 10 TO 20 MPH BY LATE MORNING. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES OR BREAK LIMBS AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS DAMAGING WINDS ARE OCCURRING OR IMMINENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER ARE LIKELY OR OCCURRING. && $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 26, 2:50 PM PST | Storm Warning | SEW | 18 hr | |
| Nov 26, 3:54 PM PST | Coastal Flood Advisory | SEW | San Juan | 17 hr |
Nearby
High Wind Warnings in Washington, 2011Every high wind warning 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.