Alert archive / Washington / Wind Advisories in 2011
Wind Advisory 23, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Dec 26, 2011, 3:15 PM PST for San Juan County, Washington. It took effect at Dec 26, 2011, 4:00 PM PST. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2011, 3:15 PM PST (23:15 UTC)
- In effect from
- Dec 26, 2011, 4:00 PM PST
- Expired
- Dec 27, 2011, 4:58 AM PST
- In force
- 13 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 23:12 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, 11.3 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
- 545 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
883 WWUS76 KSEW 262315 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 315 PM PST MON DEC 26 2011 ...LOCALLY WINDY WEATHER NORTHWEST INTERIOR TONIGHT... .A FRONTAL SYSTEM WILL MOVE ONSHORE TONIGHT...BRINGING LOCALLY WINDY CONDITIONS TO THE NORTHWEST INTERIOR. WAZ001-503-506-507-510-270715- /O.NEW.KSEW.WI.Y.0023.111227T0000Z-111227T1200Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- EVERETT AND VICINITY-ADMIRALTY INLET AREA- 315 PM PST MON DEC 26 2011 ...WIND ADVISORY IN EFFECT UNTIL 4 AM PST TUESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM PST TUESDAY. * SOME AFFECTED LOCATIONS...EVERETT...WHIDBEY ISLAND...AND BELLINGHAM. * TIMING...THE STRONGEST WINDS WILL LIKELY OCCUR LATE THIS EVENING INTO THE EARLY MORNING HOURS TUESDAY. * WIND...SOUTHEAST 20 TO 35 MPH WITH GUSTS TO 45 MPH. * IMPACTS...LOCAL POWER OUTAGES ARE POSSIBLE. SMALL TREE BRANCHES CAN SNAP WITH WINDS THIS STRONG. 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. && $$
3 follow-up statements
601 WWUS76 KSEW 270531 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 931 PM PST MON DEC 26 2011 ...LOCALLY WINDY WEATHER NORTHWEST INTERIOR TONIGHT... .A FRONTAL SYSTEM WAS MOVING ONSHORE THIS EVENING. WINDY CONDITIONS HAVE BEEN INCREASING OVER THE NORTH INTERIOR OF WESTERN WASHINGTON AND SHOULD PEAK DURING THE LATE EVENING HOURS. WAZ001-503-506-507-510-271200- /O.CON.KSEW.WI.Y.0023.000000T0000Z-111227T1200Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- EVERETT AND VICINITY-ADMIRALTY INLET AREA- 931 PM PST MON DEC 26 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST TUESDAY... * SOME AFFECTED LOCATIONS...EVERETT...WHIDBEY ISLAND...BELLINGHAM AND THE SAN JUAN ISLANDS. * TIMING...THE STRONGEST WINDS WILL LIKELY OCCUR THROUGH MIDNIGHT AND THEN EASE DURING THE EARLY MORNING HOURS ON TUESDAY. * WIND...SOUTHEAST 20 TO 35 MPH WITH GUSTS TO 45 MPH. * IMPACTS...LOCAL POWER OUTAGES ARE POSSIBLE. SMALL TREE BRANCHES CAN SNAP WITH WINDS THIS STRONG. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW ROOTED TREES...AND CAUSE LOCAL POWER OUTAGES. && $$
598 WWUS76 KSEW 271054 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 254 AM PST TUE DEC 27 2011 ...LOCALLY WINDY WEATHER OVER THE NORTHWEST INTERIOR EARLY THIS MORNING... .A FRONTAL SYSTEM WILL MOVE THROUGH THE AREA BETWEEN 4 AND 6 AM PST THIS MORNING. WINDS WILL DIMINISH BEHIND THE FRONT. WAZ507-271200- /O.CAN.KSEW.WI.Y.0023.000000T0000Z-111227T1200Z/ EVERETT AND VICINITY- 254 AM PST TUE DEC 27 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE WIND ADVISORY. WIND SPEEDS OVER WESTERN SNOHOMISH COUNTY ARE NOT AS STRONG AS PREVIOUSLY EXPECTED. $$ WAZ001-503-506-510-271400- /O.EXT.KSEW.WI.Y.0023.000000T0000Z-111227T1400Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 254 AM PST TUE DEC 27 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING... * SOME AFFECTED LOCATIONS...EVERETT...WHIDBEY ISLAND... BELLINGHAM AND THE SAN JUAN ISLANDS. * TIMING...WINDS WILL DIMINISH BEHIND A FRONTAL SYSTEM THAT WILL PASS THROUGH THE AREA BETWEEN 4 AND 6 AM PST THIS MORNING. * WIND...SOUTHEAST 20 TO 35 MPH WITH GUSTS TO 45 MPH. * IMPACTS...LOCAL POWER OUTAGES ARE POSSIBLE. SMALL TREE BRANCHES CAN SNAP WITH WINDS THIS STRONG. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW ROOTED TREES...AND CAUSE LOCAL POWER OUTAGES. && $$ WEATHER.GOV/SEATTLE
650 WWUS76 KSEW 271258 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 458 AM PST TUE DEC 27 2011 WAZ001-503-506-510-271400- /O.CAN.KSEW.WI.Y.0023.000000T0000Z-111227T1400Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 458 AM PST TUE DEC 27 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE WIND ADVISORY. WINDS WILL GRADUALLY DIMINISH THIS MORNING AS A COLD FRONT OVER THE NORTHWEST INTERIOR MOVES EAST OF THE CASCADES. $$ WEATHER.GOV/SEATTLE
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 11:26 PM PST | Gale Warning | SEW | 51 hr | |
| Dec 25, 11:26 PM PST | Small Craft Advisory for Rough Bar | SEW | 5 days | |
| Dec 25, 11:26 PM PST | Small Craft Advisory | SEW | 14 hr | |
| Dec 25, 11:26 PM PST | Small Craft Advisory for Hazardous Seas | SEW | 9 hr | |
| Dec 26, 2:27 AM PST | Small Craft Advisory | SEW | 11 hr | |
| Dec 26, 3:27 AM PST | Winter Weather Advisory | SEW | 26 hr | |
| Dec 26, 8:45 AM PST | Small Craft Advisory | SEW | 24 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; radar from the NEXRAD Level II archive.