Alert archive / Washington / High Wind Warnings in 2012
High Wind Warning 12, NWS Seattle, WA
NWS Seattle, WA issued this high wind warning at Dec 18, 2012, 2:00 PM PST for San Juan County, Washington. It took effect at Dec 18, 2012, 10:00 PM PST. It was in force for 21 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
- Dec 18, 2012, 2:00 PM PST (22:00 UTC)
- In effect from
- Dec 18, 2012, 10:00 PM PST
- Expired
- Dec 19, 2012, 7:00 PM PST
- In force
- 21 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 22:01 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, 10.0 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
- 716 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
804 WWUS76 KSEW 182200 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 200 PM PST TUE DEC 18 2012 ...A VIGOROUS FRONTAL SYSTEM WILL BRING STRONG WINDS TO THE COAST AND NORTH INTERIOR LATER TONIGHT AND WEDNESDAY. WAZ001-503-506-510-190600- /O.UPG.KSEW.HW.A.0010.121219T0600Z-121220T0000Z/ /O.NEW.KSEW.HW.W.0012.121219T0600Z-121220T0300Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 200 PM PST TUE DEC 18 2012 ...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PST WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SOME AFFECTED LOCATIONS...PORT TOWNSEND...WHIDBEY ISLAND... FRIDAY HARBOR...BELLINGHAM. * TIMING...WINDS WILL INCREASE AFTER MIDNIGHT TONIGHT. THE STRONGEST WINDS WILL LIKELY BE DURING THE EARLY MORNING HOURS AND AGAIN IN THE AFTERNOON. * WIND...SOUTHEAST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$ WAZ516-517-190600- /O.UPG.KSEW.HW.A.0010.121219T0600Z-121220T0000Z/ /O.NEW.KSEW.HW.W.0012.121219T0600Z-121220T0000Z/ NORTH COAST-CENTRAL COAST- 200 PM PST TUE DEC 18 2012 ...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SOME AFFECTED LOCATIONS...HOQUIAM...WESTPORT... ABERDEEN... QUILLAYUTE...LA PUSH. * TIMING...WINDS WILL INCREASE AFTER MIDNIGHT TONIGHT. THE STRONGEST WINDS WILL LIKELY OCCUR FROM LATE TONIGHT THROUGH EARLY WEDNESDAY AFTERNOON. * WIND...SOUTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$
3 follow-up statements
855 WWUS76 KSEW 190539 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 939 PM PST TUE DEC 18 2012 ...A VIGOROUS FRONTAL SYSTEM WILL BRING STRONG WINDS TO THE COAST AND NORTH INTERIOR LATER TONIGHT AND WEDNESDAY. WAZ001-503-506-510-191400- /O.CON.KSEW.HW.W.0012.121219T0600Z-121220T0300Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 939 PM PST TUE DEC 18 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PST WEDNESDAY... * SOME AFFECTED LOCATIONS...PORT TOWNSEND...WHIDBEY ISLAND... FRIDAY HARBOR...BELLINGHAM. * TIMING...WINDS WILL INCREASE AFTER MIDNIGHT TONIGHT. THE STRONGEST WINDS WILL LIKELY BE DURING THE EARLY MORNING HOURS AND AGAIN IN THE AFTERNOON. * WIND...SOUTHEAST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$ WAZ516-517-191400- /O.CON.KSEW.HW.W.0012.121219T0600Z-121220T0000Z/ NORTH COAST-CENTRAL COAST- 939 PM PST TUE DEC 18 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY... * SOME AFFECTED LOCATIONS...HOQUIAM...WESTPORT... ABERDEEN... QUILLAYUTE...LA PUSH. * TIMING...WINDS WILL INCREASE AFTER MIDNIGHT TONIGHT. THE STRONGEST WINDS WILL LIKELY OCCUR FROM LATE TONIGHT THROUGH EARLY WEDNESDAY AFTERNOON. * WIND...SOUTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$
953 WWUS76 KSEW 191201 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 401 AM PST WED DEC 19 2012 ...A VIGOROUS FRONTAL SYSTEM WILL BRING STRONG WINDS TO THE COAST AND NORTH INTERIOR TODAY. WAZ001-503-506-510-200015- /O.CON.KSEW.HW.W.0012.000000T0000Z-121220T0300Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 401 AM PST WED DEC 19 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * SOME AFFECTED LOCATIONS...PORT TOWNSEND...WHIDBEY ISLAND... FRIDAY HARBOR...BELLINGHAM. * TIMING...WINDS WILL INCREASE THIS MORNING...WITH THE STRONGEST WINDS LIKELY MID MORNING THROUGH AFTERNOON. * WIND...SOUTHEAST 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$ WAZ516-517-200000- /O.CON.KSEW.HW.W.0012.000000T0000Z-121220T0000Z/ NORTH COAST-CENTRAL COAST- 401 AM PST WED DEC 19 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * SOME AFFECTED LOCATIONS...HOQUIAM...WESTPORT... ABERDEEN... QUILLAYUTE...LA PUSH. * TIMING...THE STRONGEST WINDS WILL LIKELY OCCUR FROM ROUGHLY DAYBREAK THIS MORNING THROUGH EARLY AFTERNOON. * WIND...SOUTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$
646 WWUS76 KSEW 192300 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 300 PM PST WED DEC 19 2012 ...A VIGOROUS FRONTAL SYSTEM WILL BRING STRONG WINDS TO THE NORTH THROUGH EARLY THIS EVENING. WAZ516-517-200000- /O.CAN.KSEW.HW.W.0012.000000T0000Z-121220T0000Z/ NORTH COAST-CENTRAL COAST- 300 PM PST WED DEC 19 2012 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE HIGH WIND WARNING. THE FRONT HAS MOVED ONSHORE AND WINDS HAVE EASED. $$ WAZ001-503-506-510-200300- /O.CON.KSEW.HW.W.0012.000000T0000Z-121220T0300Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 300 PM PST WED DEC 19 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING. * TIMING...STRONG WINDS WILL CONTINUE THROUGH EARLY EVENING. * WIND...SOUTHEAST 25 TO 40 MPH. LOCAL GUSTS TO 60 MPH. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 8:43 PM PST | Small Craft Advisory | SEW | 4 hr | |
| Dec 17, 8:43 PM PST | Small Craft Advisory for Hazardous Seas | SEW | 25 hr | |
| Dec 18, 2:37 AM PST | Gale Warning | SEW | 43 hr | |
| Dec 18, 3:34 AM PST | High Wind Watch | SEW | San Juan | 10 hr |
| Dec 18, 3:51 AM PST | Winter Storm Watch | SEW | 10 hr | |
| Dec 18, 8:55 AM PST | Small Craft Advisory | SEW | 4 days | |
| Dec 18, 2:00 PM PST | Winter Storm Warning | SEW | 38 hr | |
| Dec 18, 2:00 PM PST | Winter Weather Advisory | SEW | 20 hr |
Nearby
High Wind Warnings in Washington, 2012Every high wind warning 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.