Alert archive / Washington / Wind Advisories in 2012
Wind Advisory 19, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Mar 12, 2012, 12:54 PM PDT for San Juan County, Washington. It took effect at Mar 12, 2012, 2:00 PM PDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Mar 12, 2012, 12:54 PM PDT (19:54 UTC)
- In effect from
- Mar 12, 2012, 2:00 PM PDT
- Expired
- Mar 12, 2012, 7:00 PM PDT
- In force
- 5 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 19:55 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, 7.9 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
- 435 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 543 m²/s²
- 0-3 km storm-relative helicity
- 998 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
891 WWUS76 KSEW 121954 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 1254 PM PDT MON MAR 12 2012 WAZ001-503-510-130200- /O.EXP.KSEW.HW.W.0006.000000T0000Z-120312T2000Z/ /O.NEW.KSEW.WI.Y.0019.120312T2100Z-120313T0200Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-ADMIRALTY INLET AREA- 1254 PM PDT MON MAR 12 2012 ...WIND ADVISORY IN EFFECT UNTIL 7 PM PDT THIS EVENING... ...HIGH WIND WARNING WILL EXPIRE AT 1 PM PDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM PDT THIS EVENING. * SOME AFFECTED LOCATIONS...PORT TOWNSEND...WHIDBEY ISLAND...THE SAN JUAN ISLANDS...AND AREAS NEAR THE WATER IN WESTERN WHATCOM COUNTY. * TIMING...A STRONG FRONT OVER INTERIOR WESTERN WASHINGTON WILL SLOWLY WEAKEN THROUGH THIS EVENING. * WIND...SOUTHEAST WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH...EASING THIS EVENING. * IMPACTS...STRONG WINDS CAN TOPPLE TREES AND CAUSE 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. && $$ WAZ516-517-122100- /O.EXP.KSEW.HW.W.0006.000000T0000Z-120312T2000Z/ NORTH COAST-CENTRAL COAST- 1254 PM PDT MON MAR 12 2012 ...HIGH WIND WARNING WILL EXPIRE AT 1 PM PDT THIS AFTERNOON... THE STRONG FRONT WHICH BROUGHT HIGH WINDS TO THE COAST TODAY HAS PUSHED INLAND. SOUTH WINDS OF 20 TO 30 MPH WILL CONTINUE TO SLOWLY EASE THROUGH THE AFTERNOON AND EVENING. $$ WAZ504>509-511-512-515-122100- /O.EXP.KSEW.WI.Y.0018.000000T0000Z-120312T2000Z/ SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS- WESTERN SKAGIT COUNTY-EVERETT AND VICINITY-SEATTLE/BREMERTON AREA- TACOMA AREA-HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA- WESTERN STRAIT OF JUAN DE FUCA- 1254 PM PDT MON MAR 12 2012 ...WIND ADVISORY WILL EXPIRE AT 1 PM PDT THIS AFTERNOON... A FRONT WILL CONTINUE TO WEAKEN OVER THE AREA THIS AFTERNOON. SOUTH TO SOUTHWEST WINDS OF 20 TO 30 MPH THIS AFTERNOON WILL EASE THIS EVENING. $$ WEATHER.GOV/SEATTLE MERCER
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 5:46 AM PDT | High Surf Warning | SEW | 7 hr | |
| Mar 12, 5:46 AM PDT | High Surf Advisory | SEW | 17 hr | |
| Mar 12, 8:46 AM PDT | Gale Warning | SEW | 6 hr | |
| Mar 12, 8:46 AM PDT | Small Craft Advisory | SEW | 4 days | |
| Mar 12, 1:55 PM PDT | Winter Weather Advisory | SEW | 15 hr |
Nearby
Wind Advisories in Washington, 2012Every wind advisory 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.