Alert archive / Washington / High Wind Warnings in 2012
High Wind Warning 7, NWS Seattle, WA
NWS Seattle, WA issued this high wind warning at Mar 19, 2012, 3:31 PM PDT for San Juan County, Washington. It took effect at Mar 19, 2012, 8:00 PM PDT. It was in force for 8 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
- Mar 19, 2012, 3:31 PM PDT (22:31 UTC)
- In effect from
- Mar 19, 2012, 8:00 PM PDT
- Expired
- Mar 20, 2012, 4:12 AM PDT
- In force
- 8 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 22:30 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, 10.5 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
- 953 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
218 WWUS76 KSEW 192231 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 331 PM PDT MON MAR 19 2012 .A STRONG PACIFIC FRONTAL SYSTEM WILL MOVE ACROSS WESTERN WASHINGTON TONIGHT...BRINGING VERY WINDY CONDITIONS TO PARTS OF WESTERN WASHINGTON. WAZ001-503-506-510-200645- /O.UPG.KSEW.HW.A.0005.120320T0000Z-120320T1200Z/ /O.NEW.KSEW.HW.W.0007.120320T0300Z-120320T1200Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 331 PM PDT MON MAR 19 2012 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT TUESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SOME AFFECTED LOCATIONS...THE SAN JUAN ISLANDS...LUMMI ISLAND AND SANDY POINT NEAR BELLINGHAM...AND THE WEST COAST OF WHATCOM COUNTY...WESTERN SKAGIT COUNTY AROUND THE GREATER ANACORTES AREA...WHIDBEY ISLAND...PORT TOWNSEND. * TIMING...TONIGHT. WINDS WILL INCREASE THIS EVENING. THE STRONGEST WINDS WILL LIKELY OCCUR FROM AROUND MIDNIGHT THROUGH EARLY TUESDAY MORNING. * WIND...SOUTH TO SOUTHEAST WINDS 25 TO 40 MPH WITH GUSTS TO 60 MPH POSSIBLE. WINDS WILL SHIFT TO SOUTHWEST LATE TONIGHT. * IMPACTS...THESE WINDS COULD KNOCK DOWN TREE LIMBS AND POSSIBLY DOWN WEAKER TREES...AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$ WAZ516-517-200645- /O.UPG.KSEW.HW.A.0005.120320T0000Z-120320T1200Z/ /O.NEW.KSEW.WI.Y.0022.120320T0200Z-120320T0900Z/ NORTH COAST-CENTRAL COAST- 331 PM PDT MON MAR 19 2012 ...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 2 AM PDT TUESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 2 AM PDT TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SOME AFFECTED LOCATIONS...WESTPORT...OCEAN SHORES...COPALIS BEACH...PACIFIC BEACH...KALALOCH...LA PUSH. * TIMING...TONIGHT. THE STRONGEST WINDS WILL LIKELY FROM AROUND MID EVENING UNTIL A LITTLE AFTER MIDNIGHT. * WIND...SOUTH WINDS 25 TO 39 MPH WITH GUSTS TO 55 MPH. WIND BECOMING SOUTHWEST AFTER MIDNIGHT. * IMPACTS...THESE WINDS COULD KNOCK DOWN TREE LIMBS AND POSSIBLY DOWN WEAKER TREES...AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. && $$
2 follow-up statements
094 WWUS76 KSEW 200420 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 920 PM PDT MON MAR 19 2012 .A STRONG PACIFIC FRONTAL SYSTEM WILL MOVE ACROSS WESTERN WASHINGTON TONIGHT...BRINGING VERY WINDY CONDITIONS TO PARTS OF WESTERN WASHINGTON. WAZ001-503-506-510-201200- /O.CON.KSEW.HW.W.0007.000000T0000Z-120320T1200Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 920 PM PDT MON MAR 19 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM PDT TUESDAY... * SOME AFFECTED LOCATIONS...THE SAN JUAN ISLANDS...LUMMI ISLAND AND SANDY POINT NEAR BELLINGHAM...AND THE WEST COAST OF WHATCOM COUNTY...WESTERN SKAGIT COUNTY AROUND THE GREATER ANACORTES AREA...WHIDBEY ISLAND...PORT TOWNSEND. * TIMING...TONIGHT. WINDS WILL INCREASE THIS EVENING. THE STRONGEST WINDS WILL LIKELY OCCUR FROM AROUND MIDNIGHT THROUGH EARLY TUESDAY MORNING. * WIND...SOUTH TO SOUTHEAST WINDS 25 TO 40 MPH WITH GUSTS TO 60 MPH POSSIBLE. WINDS WILL SHIFT TO SOUTHWEST LATE TONIGHT. * IMPACTS...THESE WINDS COULD KNOCK DOWN TREE LIMBS AND POSSIBLY DOWN WEAKER TREES...AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT OR OCCURRING. && $$ WAZ516-517-200900- /O.CON.KSEW.WI.Y.0022.000000T0000Z-120320T0900Z/ NORTH COAST-CENTRAL COAST- 920 PM PDT MON MAR 19 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT TUESDAY... * SOME AFFECTED LOCATIONS...WESTPORT...OCEAN SHORES...COPALIS BEACH...PACIFIC BEACH...KALALOCH...LA PUSH. * TIMING...TONIGHT. THE STRONGEST WINDS WILL LIKELY FROM AROUND MID EVENING UNTIL A LITTLE AFTER MIDNIGHT. * WIND...SOUTH WINDS 25 TO 39 MPH WITH GUSTS TO 55 MPH. WIND BECOMING SOUTHWEST AFTER MIDNIGHT. * IMPACTS...THESE WINDS COULD KNOCK DOWN TREE LIMBS AND POSSIBLY DOWN WEAKER TREES...AND CAUSE POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. && $$
126 WWUS76 KSEW 201112 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 412 AM PDT TUE MAR 20 2012 WAZ001-503-510-201900- /O.CAN.KSEW.HW.W.0007.000000T0000Z-120320T1200Z/ /O.NEW.KSEW.WI.Y.0023.120320T1112Z-120320T1900Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-ADMIRALTY INLET AREA- 412 AM PDT TUE MAR 20 2012 ...WIND ADVISORY IN EFFECT UNTIL NOON PDT TODAY... ...HIGH WIND WARNING HAS ENDED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON PDT TODAY. THE HIGH WIND WARNING HAS ENDED. * SOME AFFECTED LOCATIONS...NORTH AND CENTRAL WASHINGTON COAST...THE SAN JUAN ISLANDS...LUMMI ISLAND AND SANDY POINT NEAR BELLINGHAM...AND THE WEST COAST OF WHATCOM COUNTY...WHIDBEY ISLAND...PORT TOWNSEND. * TIMING...THIS MORNING. WINDY CONDITIONS WILL CONTINUE THIS MORNING JUST BEHIND A STRONG FRONT...THEN EASE THIS AFTERNOON. * WIND...SOUTH TO SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO 50 MPH. * IMPACTS...THESE WINDS COULD KNOCK DOWN SMALL TREE LIMBS AND CAUSE LOCAL 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. && $$ WAZ506-201215- /O.CAN.KSEW.HW.W.0007.000000T0000Z-120320T1200Z/ WESTERN SKAGIT COUNTY- 412 AM PDT TUE MAR 20 2012 ...HIGH WIND WARNING HAS ENDED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ENDED THE HIGH WIND WARNING. SOUTH TO SOUTHWEST WINDS OF 15 TO 30 MPH ARE LIKELY TODAY...WITH GUSTS TO 45 MPH...BUT WINDS ARE EXPECTED TO REMAIN BELOW HIGH WIND WARNING CRITERIA. $$ WAZ516-517-201900- /O.NEW.KSEW.WI.Y.0023.120320T1112Z-120320T1900Z/ NORTH COAST-CENTRAL COAST- 412 AM PDT TUE MAR 20 2012 ...WIND ADVISORY IN EFFECT UNTIL NOON PDT TODAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON PDT TODAY. * SOME AFFECTED LOCATIONS......WESTPORT...OCEAN SHORES...COPALIS BEACH...PACIFIC BEACH...KALALOCH...LA PUSH. * TIMING...THIS MORNING. * WIND...SOUTHWEST 20 TO 35 MPH WITH GUSTS TO 50 MPH. * IMPACTS...THESE WINDS COULD KNOCK DOWN SMALL TREE LIMBS AND CAUSE LOCAL 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. && $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 6:37 PM PDT | Small Craft Advisory | SEW | 6 hr | |
| Mar 18, 8:51 PM PDT | Gale Warning | SEW | 48 hr | |
| Mar 19, 3:57 AM PDT | Winter Storm Warning | SEW | 48 hr | |
| Mar 19, 10:50 AM PDT | High Wind Watch | SEW | San Juan | 5 hr |
| Mar 19, 2:36 PM PDT | Small Craft Advisory | SEW | 42 hr | |
| Mar 19, 3:31 PM PDT | Wind Advisory | SEW | 10 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.