Alert archive / Washington / Wind Advisories in 2012
Wind Advisory 36, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Dec 15, 2012, 10:10 AM PST for San Juan County, Washington. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 15, 2012, 10:10 AM PST (18:10 UTC)
- Expired
- Dec 15, 2012, 1:53 PM PST
- In force
- 4 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 18:13 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, 6.2 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
- 680 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 291 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
210 WWUS76 KSEW 151810 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 1010 AM PST SAT DEC 15 2012 ...A FRONTAL SYSTEM WILL BRING STRONG SOUTHEAST WINDS AT TIMES THROUGH THIS AFTERNOON FROM THE ADMIRALTY INLET AREA NORTHWARD... WAZ001-503-506-510-160000- /O.NEW.KSEW.WI.Y.0036.121215T1810Z-121216T0000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 1010 AM PST SAT DEC 15 2012 ...WIND ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. * SOME AFFECTED LOCATIONS...PORT TOWNSEND...WHIDBEY ISLAND...FRIDAY HARBOR...AND BELLINGHAM. * TIMING...THROUGH THIS AFTERNOON. * WIND...SOUTHEAST WINDS 20 TO 35 MPH WITH GUSTS TO 45 MPH. STRONGEST WINDS WILL OCCUR AT EXPOSED SPOTS NEAREST THE COASTLINE. * IMPACTS...WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW ROOTED TREES...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. && $$ WEATHER.GOV/SEATTLE MERCER
1 follow-up statement
082 WWUS76 KSEW 152153 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 153 PM PST SAT DEC 15 2012 ...A STRONG LOW PRESSURE SYSTEM WILL BRING A THREAT OF HIGH WINDS TO WESTERN WASHINGTON FROM LATE SUNDAY AFTERNOON THROUGH MONDAY MORNING... .A 975 MB SURFACE LOW IS EXPECTED TO DEVELOP OFF THE COAST OF WASHINGTON ON SUNDAY. LATEST COMPUTER MODELS INDICATE THE LOW CENTER WILL MOVE ONTO THE WASHINGTON COAST EARLY MONDAY MORNING. THE EXACT TRACK OF THE SURFACE LOW REMAINS SOMEWHAT UNCERTAIN AND WILL HAVE A BIG IMPACT ON WHERE HIGH WINDS DEVELOP. THERE IS ENOUGH CERTAINTY THAT AT LEAST A PORTION OF WESTERN WASHINGTON WILL EXPERIENCE HIGH WINDS...THEREFORE A HIGH WIND WATCH HAS BEEN ISSUED. WAZ001-503-506-510-160600- /O.CAN.KSEW.WI.Y.0036.000000T0000Z-121216T0000Z/ /O.NEW.KSEW.HW.A.0009.121217T0000Z-121217T2000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY- ADMIRALTY INLET AREA- 153 PM PST SAT DEC 15 2012 ...HIGH WIND WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... ...WIND ADVISORY IS ENDED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING. THE WIND ADVISORY HAS ENDED. * SOME AFFECTED LOCATIONS...PORT TOWNSEND...WHIDBEY ISLAND... FRIDAY HARBOR...AND BELLINGHAM. * TIMING...FROM 4 PM PST SUNDAY AFTERNOON THROUGH NOON MONDAY. * WIND...SOUTHEAST WINDS 30 TO 40 MPH WITH GUSTS TO 60 MPH. WINDS WILL BECOME WEST TO SOUTHWESTERLY MONDAY MORNING. WEST FACING COASTLINES NEAR THE EAST ENTRANCE TO THE STRAIT MAY EXPERIENCE STRONGER GUSTS TO 70 MPH MONDAY MORNING. THIS INCLUDES LOCATIONS SUCH AS PORT TOWNSEND AND THE WEST SIDE OF WHIDBEY ISLAND. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING WIND EVENT. && $$ WAZ516-517-160600- /O.NEW.KSEW.HW.A.0009.121217T0000Z-121217T2000Z/ NORTH COAST-CENTRAL COAST- 153 PM PST SAT DEC 15 2012 ...HIGH WIND WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING. * SOME AFFECTED LOCATIONS...HOQUIAM...WEST PORT...ABERDEEN...QUILLAYUTE...LA PUSH. * TIMING...FROM 4 PM PST SUNDAY THROUGH MIDDAY MONDAY. * WIND...SOUTH WINDS TO 30 TO 40 MPH WITH GUSTS TO 60 MPH. WINDS WILL SWITCH TO WESTERLY 40 TO 50 MPH WITH GUSTS TO 70 MPH MONDAY MORNING AS LOW PRESSURE MOVES INLAND. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING WIND EVENT. && $$ WAZ504-505-507>509-511-512-160600- /O.NEW.KSEW.HW.A.0009.121217T0800Z-121217T2000Z/ SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY- SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA- LOWER CHEHALIS VALLEY AREA- 153 PM PST SAT DEC 15 2012 ...HIGH WIND WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING. * SOME AFFECTED LOCATIONS...SEATTLE...EVERETT...BELLEVUE... TACOMA...OLYMPIA...SHELTON...AND CHEHALIS. * TIMING...SOUTHWEST WINDS WILL RISE BEHIND A STRONG LOW PRESSURE SYSTEM LATE SUNDAY NIGHT AND MONDAY MORNING. * WIND...SOUTHWEST WINDS RISING TO 25 TO 35 WITH GUSTS TO 60 MPH. * IMPACTS...WINDS THIS STRONG CAN TOPPLE TREES...DOWN POWER LINES...AND DAMAGE SOME STRUCTURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING WIND EVENT. && $$ WAZ514-515-160600- /O.NEW.KSEW.HW.A.0009.121217T0800Z-121217T2000Z/ EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA- 153 PM PST SAT DEC 15 2012 ...HIGH WIND WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING. * SOME AFFECTED LOCATIONS...PORT ANGELES...AND SEKIU. * TIMING...WEST WINDS WILL RISE BEHIND A STRONG LOW PRESSURE SYSTEM LATE SUNDAY NIGHT AND MONDAY MORNING. * WIND...WEST WINDS 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 WATCH MEANS THERE IS THE POTENTIAL FOR A DAMAGING WIND EVENT. && $$ WEATHER.GOV/SEATTLE MERCER
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 2:53 AM PST | Small Craft Advisory for Rough Bar | SEW | 8 days | |
| Dec 15, 1:49 PM PST | Winter Storm Watch | SEW | 20 hr | |
| Dec 15, 1:53 PM PST | High Wind Watch | SEW | San Juan | 24 hr |
| Dec 15, 2:02 PM PST | Coastal Flood Watch | SEW | San Juan | 24 hr |
| Dec 15, 2:34 PM PST | Gale Watch | SEW | 12 hr | |
| Dec 15, 2:34 PM PST | Small Craft Advisory | SEW | 12 hr | |
| Dec 15, 2:34 PM PST | Storm Watch | SEW | 12 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.