Alert archive / Washington / Wind Advisories in 2011
Wind Advisory 13, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Sep 25, 2011, 1:48 PM PDT for San Juan County, Washington. It was in force for 118 min.
The area
The counties it named.
The facts
- Issued
- Sep 25, 2011, 1:48 PM PDT (20:48 UTC)
- Expired
- Sep 25, 2011, 3:46 PM PDT
- In force
- 118 min
- Issued by
- NWS Seattle, WA
County San Juan County, WA
The nearest sounding before it
Quillayute State, WA (KUIL), launched 12:00Z, 8.8 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
- 59 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 559 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
712 WWUS76 KSEW 252048 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 148 PM PDT SUN SEP 25 2011 ...A WIND ADVISORY IS IN EFFECT FOR THE WESTERN WASHINGTON INTERIOR FROM WHATCOM COUNTY SOUTHWARD TO THE SOUTH PUGET SOUND REGION... .TREES ARE PARTICULARLY PRONE TO DAMAGE THIS AFTERNOON SINCE IT HAS BEEN SINCE LAST SPRING THAT WINDS HAVE BEEN THIS STRONG. TREES STILL HAVE THEIR LEAVES SO WILL BE MORE SUSCEPTIBLE TO THE WIND. THE AREA IMPACTED EXTENDS FROM WHATCOM COUNTY AND BELLINGHAM SOUTHWARD THROUGH PUGET SOUND INCLUDING PIERCE COUNTY AND THE TACOMA AREA. WAZ001-503-505>511-260100- /O.NEW.KSEW.WI.Y.0013.110925T2048Z-110926T0100Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-EAST PUGET SOUND LOWLANDS- WESTERN SKAGIT COUNTY-EVERETT AND VICINITY-SEATTLE/BREMERTON AREA- TACOMA AREA-ADMIRALTY INLET AREA-HOOD CANAL AREA- 148 PM PDT SUN SEP 25 2011 ...WIND ADVISORY IN EFFECT UNTIL 6 PM PDT THIS EVENING FOR THE INTERIOR OF WESTERN WASHINGTON FROM WHATCOM COUNTY SOUTH THROUGH SOUTH PUGET SOUND... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY FOR THE INTERIOR OF WESTERN WASHINGTON FROM WHATCOM COUNTY SOUTHWARD THROUGH THE SOUTH PUGET SOUND REGION....WHICH IS IN EFFECT UNTIL 6 PM PDT THIS EVENING. * TIMING...FROM 145 PM UNTIL 6 PM. WINDS WILL BEGIN DECREASING AFTER MID AFTERNOON...EASING SLOWLY THROUGH EARLY EVENING. * WINDS...SOUTH WINDS 20 TO 35 MPH WITH GUSTS BETWEEN 35 AND 50 MPH. * IMPACTS...TREE LIMBS AND BRANCHES WILL BE KNOCKED OFF OF TREES. SOME TREES MAY BE KNOCKED DOWN. FALLING BRANCHES MAY HIT POWER LINES CAUSING POWER OUTAGES. 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. && $$ KAM
1 follow-up statement
622 WWUS76 KSEW 252246 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 346 PM PDT SUN SEP 25 2011 ...WIND ADVISORY FOR THE COAST AND NORTH INTERIOR MONDAY... .A WEATHER SYSTEM WILL BRING WINDY CONDITIONS TO THE COAST AND NORTH INTERIOR MONDAY. WAZ001-503-506-510-260515- /O.CAN.KSEW.WI.Y.0013.000000T0000Z-110926T0100Z/ /O.NEW.KSEW.WI.Y.0014.110926T1500Z-110927T0300Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 346 PM PDT SUN SEP 25 2011 ...WIND ADVISORY IN EFFECT FROM 8 AM TO 8 PM PDT MONDAY... ...WIND ADVISORY FOR TODAY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 8 PM PDT MONDAY. THE WIND ADVISORY FOR TODAY HAS ENDED. * TIMING...WINDS WILL INCREASE MONDAY MORNING...PEAK IN THE AFTERNOON...AND FALL IN THE EVENING. * WINDS...SOUTH WINDS 25 TO 35 MPH WITH GUSTS TO 55 MPH. * IMPACTS...WEAKENED TREES WILL PROBABLY FALL DURING THIS WIND EVENT AND LOCAL POWER OUTAGES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW ROOTED TREES...AND CAUSE LOCAL POWER OUTAGES. && $$ WAZ505-507>509-511-260000- /O.CAN.KSEW.WI.Y.0013.000000T0000Z-110926T0100Z/ EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY- SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA- 346 PM PDT SUN SEP 25 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ENDED THE WIND ADVISORY. WINDS HAVE DIMINISHED CONSIDERABLY AND SHOULD NOT POSE ANY FURTHER THREAT TODAY. GUSTY WINDS OF 15-25 MPH WILL DIMINISH FURTHER THIS EVENING AND BE 5-15 MPH OVERNIGHT. CONDITIONS WILL BECOME BREEZY AGAIN ON MONDAY. $$ WAZ516-517-260515- /O.NEW.KSEW.WI.Y.0014.110926T1500Z-110927T0300Z/ NORTH COAST-CENTRAL COAST- 346 PM PDT SUN SEP 25 2011 ...WIND ADVISORY IN EFFECT FROM 8 AM TO 8 PM PDT MONDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 8 PM PDT MONDAY. * TIMING...WINDS WILL INCREASE EARLY MONDAY MORNING...PEAK AROUND NOON...AND FALL IN THE AFTERNOON AND EVENING. * WINDS...SOUTHERLY WINDS OF 25-35 MPH ARE LIKELY...WITH GUSTS TO 55 MPH. * IMPACTS...WEAKENED TREES WILL PROBABLY FALL DURING THIS WIND EVENT AND LOCAL POWER OUTAGES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW ROOTED TREES...AND CAUSE LOCAL POWER OUTAGES. && $$ BURKE
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 2:10 AM PDT | Gale Watch | SEW | 10 hr | |
| Sep 25, 12:05 PM PDT | Gale Warning | SEW | 33 hr | |
| Sep 25, 3:46 PM PDT | Wind Advisory | SEW | San Juan | 28 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.