Alert archive / Washington / Wind Advisories in 2011
Wind Advisory 7, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Mar 2, 2011, 7:31 AM PST for San Juan County, Washington. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 2, 2011, 7:31 AM PST (15:31 UTC)
- Expired
- Mar 2, 2011, 1:59 PM PST
- In force
- 6 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 15:31 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, 3.5 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
- 578 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 538 m²/s²
- 0-3 km storm-relative helicity
- 1031 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
883 WWUS76 KSEW 021531 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 731 AM PST WED MAR 2 2011 ...STRONG WINDS ARE EXPECTED ON THE WASHINGTON COAST TODAY... .A FRONT IS BRINGING STRONG AND POTENTIALLY DAMAGING WINDS TO THE COAST TODAY. WAZ516-517-022345- /O.CON.KSEW.HW.W.0004.000000T0000Z-110303T0200Z/ NORTH COAST-CENTRAL COAST- 731 AM PST WED MAR 2 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING. * SOME AFFECTED LOCATIONS...WESTPORT...OCEAN SHORES...HOQUIAM AND FORKS. * WINDS...SUSTAINED SOUTH WINDS OF 25 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED THIS MORNING. WINDS WILL SHIFT TO THE SOUTHWEST AND DIMINISH THIS AFTERNOON AND EVENING. * TIMING...THE STRONGEST WINDS WILL LIKELY OCCUR THIS MORNING. 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. && $$ WAZ001-503>513-515-518-519-022200- /O.NEW.KSEW.WI.Y.0007.110302T1531Z-110302T2200Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR- EAST PUGET SOUND LOWLANDS-WESTERN SKAGIT COUNTY- EVERETT AND VICINITY-SEATTLE/BREMERTON AREA-TACOMA AREA- ADMIRALTY INLET AREA-HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA- OLYMPICS-WESTERN STRAIT OF JUAN DE FUCA- WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 731 AM PST WED MAR 2 2011 ...WIND ADVISORY IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON. A STRONG FRONT IS MOVING THROUGH WESTERN WASHINGTON THIS MORNING. SOUTHERLY WINDS OF 20 TO 30 MPH ARRIVES AT CHEHALIS AT 7 AM...AND WILL SPREAD NORTH THROUGH WESTERN WASHINGTON THIS MORNING. AT 7 AM GUSTS TO 54 MPH OCCURRED AT LAKE LAWRENCE IN EASTERN THURSTON COUNTY. SOUTHERLY WINDS OF 20 TO 30 MPH...WITH LOCAL GUSTS TO AROUND 50 MPH CAN BE EXPECTED TO DEVELOP ACROSS THE REMAINDER OF WESTERN WASHINGTON THIS MORNING AS SOUTHERLY PRESSURE GRADIENTS RAPIDLY INCREASE BEHIND THE FRONT THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW-ROOTED TREES...AND CAUSE LOCAL POWER OUTAGES. && $$
1 follow-up statement
756 WWUS76 KSEW 022159 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 159 PM PST WED MAR 2 2011 ...THE HIGH WIND WARNING FOR THE NORTH AND CENTRAL COAST AND THE WIND ADVISORIES FOR THE REMAINDER OF WESTERN WASHINGTON HAVE ENDED... WAZ516-517-022300- /O.CAN.KSEW.HW.W.0004.000000T0000Z-110303T0200Z/ NORTH COAST-CENTRAL COAST- 159 PM PST WED MAR 2 2011 ...HIGH WIND WARNING HAS ENDED FOR THE NORTH AND CENTRAL COAST... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ENDED THE HIGH WIND WARNING FOR THE NORTH AND CENTRAL COAST. PRESSURE GRADIENTS HAVE EASED AND DAMAGING WINDS ARE NOT EXPECTED FOR THE REST OF THE AFTERNOON. THE WIND WILL DIMINISH FROM SOUTHWEST 20 TO 35 MPH THIS AFTERNOON TO 15 TO 25 MPH THIS EVENING. $$ WAZ001-503>513-515-518-519-022300- /O.CAN.KSEW.WI.Y.0007.000000T0000Z-110302T2200Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR- EAST PUGET SOUND LOWLANDS-WESTERN SKAGIT COUNTY- EVERETT AND VICINITY-SEATTLE/BREMERTON AREA-TACOMA AREA- ADMIRALTY INLET AREA-HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA- OLYMPICS-WESTERN STRAIT OF JUAN DE FUCA- WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 159 PM PST WED MAR 2 2011 ...THE WIND ADVISORY HAS ENDED FOR THE INTERIOR AREAS OF WESTERN WASHINGTON AND THE MOUNTAINS... THE WIND ADVISORY HAS ENDED. PRESSURE GRADIENTS HAVE EASED AND THE WIND WILL CONTINUE TO GRADUALLY DIMINISH. IT WILL STILL BE BE BREEZY AT TIMES THROUGH THIS EVENING...WITH SOUTHERLY WINDS 15 TO 25 MPH AT TIMES. $$ WWW.WEATHER.GOV/SEATTLE
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 11:57 AM PST | Gale Warning | SEW | 3 hr | |
| Mar 2, 3:10 PM PST | Gale Warning | SEW | 3 hr | |
| Mar 2, 3:10 PM PST | Small Craft Advisory | SEW | 23 hr |
Nearby
Wind Advisories in Washington, 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.