Alert archive / Washington / High Wind Watches in 2012
High Wind Watch 2, NWS Seattle, WA
NWS Seattle, WA issued this high wind watch at Jan 23, 2012, 3:00 PM PST for San Juan County, Washington. It took effect at Jan 24, 2012, 4:00 AM PST. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Jan 23, 2012, 3:00 PM PST (23:00 UTC)
- In effect from
- Jan 24, 2012, 4:00 AM PST
- Expired
- Jan 24, 2012, 4:27 AM PST
- In force
- 27 min
- 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 22:58 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, 11.0 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
- 96 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
481 WWUS76 KSEW 232300 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 300 PM PST MON JAN 23 2012 ...STRONG WINDS ARE POSSIBLE ACROSS PORTIONS OF WESTERN WASHINGTON TUESDAY AND TUESDAY EVENING... .A DEEP STORM SYSTEM HEADED TOWARD THE HAIDA GWAII ISLAND TONIGHT WILL FORCE A STRONG WARM FRONT ACROSS WESTERN WASHINGTON BY MID DAY TUESDAY THEN THE ASSOCIATED COLD FRONT WILL PASS THROUGH LATER IN THE DAY. STRONG WINDS ARE EXPECTED TO DEVELOP IO ADVANCE OF THE WARM FRONT ALONG THE COAST AND ACROSS PORTIONS OF THE NORTHWEST INTERIOR FROM ADMIRALTY INLET NORTHWARD. STRONG ONSHORE FLOW IN THE WAKE OF THE COLD FRONT IS EXPECTED TO GENERATE WINDY CONDITIONS ACROSS ALL OF WESTERN WASHINGTON BY TUESDAY EVENING...HOWEVER THE STRONGEST WINDS EXPECTED TO REMAIN IN THE WATCH AREA. WAZ001-503-506-510-516-517-241215- /O.NEW.KSEW.HW.A.0002.120124T1200Z-120125T0900Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST- 300 PM PST MON JAN 23 2012 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE TUESDAY NIGHT. * SOME AFFECTED LOCATIONS...THE CENTRAL AND NORTHERN WASHINGTON COAST AND THE NORTHWEST INTERIOR FROM ADMIRALTY INLET NORTHWARD. * TIMING...WINDS WILL INCREASE LATE TONIGHT ALONG THE COAST AND SHORTLY BEFORE DAWN OVER NORTHWEST WASHINGTON THEN EASE LATE TUESDAY EVENING. * WIND...POTENTIALLY 30 TO 40 MPH WITH GUSTS NEAR 60 MPH. * IMPACTS...DAMAGE TO TREES AND POWER LINES...POTENTIALLY ENHANCED DUE TO LINGERING LIMB AND TREE DAMAGE FROM LAST WEEKS WINTER WEATHER. SATURATED SOILS WILL ALLOW TREES TO TOPPLE MORE EASILY. MORE POWER OUTAGES. POSSIBLE INJURIES FROM FALLING TREES AND TREE LIMBS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING WIND EVENT. AREAS OF SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER COULD OCCUR. && $$ CERNIGLIA
1 follow-up statement
447 WWUS76 KSEW 241227 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 427 AM PST TUE JAN 24 2012 ...WINDY CONDITIONS ARE EXPECTED ACROSS PORTIONS OF WESTERN WASHINGTON TODAY AND TONIGHT... .A VIGOROUS FRONTAL SYSTEM WILL BRING WINDY CONDITIONS TO THE WASHINGTON COAST...NORTHWEST INTERIOR...AND MUCH OF THE PUGET SOUND REGION TODAY AND TONIGHT. WAZ001-503-506-510-516-517-242030- /O.UPG.KSEW.HW.A.0002.000000T0000Z-120125T0900Z/ /O.NEW.KSEW.WI.Y.0007.120124T1227Z-120125T1100Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST- 427 AM PST TUE JAN 24 2012 ...WIND ADVISORY IN EFFECT UNTIL 3 AM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SOME AFFECTED LOCATIONS...THE CENTRAL AND NORTHERN WASHINGTON COAST AND THE NORTHWEST INTERIOR WILL HAVE THE STRONGEST WINDS. * TIMING...WINDS WILL INCREASE THIS MORNING...AND THE PERIOD OF STRONGEST WINDS WILL PROBABLY OCCUR LATE THIS MORNING THROUGH THIS EVENING. * WIND....SOUTHEAST WINDS 20 TO 35 MPH WITH GUSTS 45 TO 55 MPH. * IMPACTS...LOCAL DAMAGE TO TREES AND POWER LINES...WITH SMALL TREES POSSIBLY BEING TOPPLED DUE TO SATURATED SOILS OR RECENT ICE DAMAGE. LOCAL POWER OUTAGES ARE POSSIBLE. FALLING TREES AND TREE LIMBS COULD CAUSE INJURY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. && $$ WAZ507>509-511-242030- /O.NEW.KSEW.WI.Y.0007.120124T1227Z-120125T1100Z/ EVERETT AND VICINITY-SEATTLE/BREMERTON AREA-TACOMA AREA- HOOD CANAL AREA- 427 AM PST TUE JAN 24 2012 ...WIND ADVISORY IN EFFECT UNTIL 3 AM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST WEDNESDAY. * SOME AFFECTED LOCATIONS...THE SEATTLE...TACOMA...AND EVERETT AREAS AS WELL AS THE HOOD CANAL REGION. * TIMING...WINDS WILL INCREASE TODAY...AND THE PERIOD OF STRONGEST WINDS WILL PROBABLY OCCUR THIS AFTERNOON THROUGH THIS EVENING. * WIND...SOUTH WINDS 15 TO 30 MPH WITH GUSTS 45 MPH. * IMPACTS...LOCAL DAMAGE TO TREES AND POWER LINES...WITH SMALL TREES POSSIBLY BEING TOPPLED DUE TO SATURATED SOILS OR RECENT ICE DAMAGE. LOCAL POWER OUTAGES ARE POSSIBLE. FALLING TREES AND TREE LIMBS COULD CAUSE INJURY. 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. && $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 7:43 PM PST | Small Craft Advisory | SEW | 31 hr | |
| Jan 23, 12:24 AM PST | Small Craft Advisory for Winds | SEW | 3 hr | |
| Jan 23, 3:00 AM PST | Gale Watch | SEW | 12 hr | |
| Jan 23, 3:00 AM PST | Small Craft Advisory for Hazardous Seas | SEW | 12 hr | |
| Jan 23, 2:01 PM PST | Winter Storm Watch | SEW | 15 hr | |
| Jan 23, 3:14 PM PST | Flood Watch | SEW | Grays Harbor, Lewis, Mason, Pierce, Thurston | 39 hr |
| Jan 23, 3:19 PM PST | Gale Watch | SEW | 18 hr | |
| Jan 23, 3:19 PM PST | Gale Warning | SEW | 42 hr |
Nearby
High Wind Watches in Washington, 2012Every high wind watch in 2012
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.