Alert archive / Washington / Wind Advisories in 2012
Wind Advisory 21, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Mar 14, 2012, 2:59 PM PDT for San Juan County, Washington. It took effect at Mar 15, 2012, 12:00 AM PDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Mar 14, 2012, 2:59 PM PDT (21:59 UTC)
- In effect from
- Mar 15, 2012, 12:00 AM PDT
- Expired
- Mar 15, 2012, 2:00 PM PDT
- In force
- 14 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
- 919 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 323 m²/s²
- 0-3 km storm-relative helicity
- 475 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
078 WWUS76 KSEW 142159 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 259 PM PDT WED MAR 14 2012 ...WINDY PERIODS THROUGH THURSDAY... .WINDS WILL EASE THIS AFTERNOON AND EVENING AS A FRONTAL SYSTEM EXITS THE REGION. A SECOND STRONG FRONT WILL BRING ANOTHER ROUND OF WINDY CONDITIONS TO THE NORTH AND CENTRAL COAST AND NORTHERN INTERIOR LATER TONIGHT AND THURSDAY. WAZ001-503-506-510-151230- /O.NEW.KSEW.WI.Y.0021.120315T0700Z-120315T2100Z/ /O.CON.KSEW.WI.Y.0020.000000T0000Z-120314T2300Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 259 PM PDT WED MAR 14 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON... ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM PDT THURSDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM PDT THURSDAY. A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON. * WINDS: SOUTHEAST 20 TO 35 MPH WITH GUSTS 50 TO 55 MPH. * TIMING: WINDS WILL EASE LATE THIS AFTERNOON AND EVENING...THEN INCREASE AGAIN AFTER MIDNIGHT TONIGHT. WINDS WILL PEAK IN THE MORNING HOURS THURSDAY...THEN GRADUALLY EASE LATER IN THE DAY. * IMPACTS: WINDS THIS STRONG CAN SNAP SMALL TREES AND BRANCHES. LOCAL POWER OUTAGES ARE POSSIBLE. 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. && $$ WAZ516-517-151230- /O.NEW.KSEW.WI.Y.0021.120315T0700Z-120315T2100Z/ NORTH COAST-CENTRAL COAST- 259 PM PDT WED MAR 14 2012 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM PDT THURSDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM PDT THURSDAY. * AFFECTED AREA: NORTH AND CENTRAL COAST. * WINDS: SOUTHEAST 20 TO 35 MPH WITH GUSTS 50 TO 55 MPH. * TIMING: WINDS WILL INCREASE AFTER MIDNIGHT...PEAKING IN THE MORNING HOURS...THEN EASE IN THE AFTERNOON. * IMPACTS: WINDS THIS STRONG CAN SNAP SMALL TREES AND BRANCHES. LOCAL POWER OUTAGES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. && $$
1 follow-up statement
533 WWUS76 KSEW 150908 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 208 AM PDT THU MAR 15 2012 ...WINDY PERIODS TODAY FOR THE COAST AND THE NORTH INTERIOR... .A FRONTAL SYSTEM WILL MOVE THROUGH THE AREA MIDDAY TODAY. WINDY CONDITIONS WILL CONTINUE ALONG THE COAST AND OVER THE NORTH INTERIOR UNTIL THE FRONT PASSES. WINDS WILL GRADUALLY DIMINISH THIS AFTERNOON AND TONIGHT. WAZ001-503-506-510-516-517-152100- /O.CON.KSEW.WI.Y.0021.000000T0000Z-120315T2100Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA-NORTH COAST-CENTRAL COAST- 208 AM PDT THU MAR 15 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON... * WINDS: SOUTHEAST 20 TO 35 MPH WITH GUSTS 50 TO 55 MPH. * TIMING: WINDS WILL PEAK DURING THE MORNING HOURS TODAY THEN WILL GRADUALLY EASE THIS AFTERNOON BEHIND A PASSING FRONTAL SYSTEM. * IMPACTS: WINDS THIS STRONG CAN SNAP SMALL TREES AND BRANCHES. LOCAL POWER OUTAGES ARE POSSIBLE. 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. && $$ WEATHER.GOV/SEATTLE
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 2:49 PM PDT | Gale Warning | SEW | 18 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.