Alert archive / Washington / Wind Advisories in 2017
Wind Advisory 5, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Feb 5, 2017, 5:11 AM PST for San Juan County, Washington. It took effect at Feb 5, 2017, 4:00 PM PST. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Feb 5, 2017, 5:11 AM PST (13:11 UTC)
- In effect from
- Feb 5, 2017, 4:00 PM PST
- Expired
- Feb 6, 2017, 7:43 AM PST
- In force
- 16 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 13:12 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, 1.2 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
- 1 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 685 m above ground
- 0-6 km bulk shear
- 103 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
277 WWUS76 KSEW 051311 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 511 AM PST SUN FEB 5 2017 WAZ001-503-052330- /O.UPG.KSEW.HW.A.0001.170206T0000Z-170206T2000Z/ /O.NEW.KSEW.WI.Y.0005.170206T0000Z-170206T2000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY- 511 AM PST SUN FEB 5 2017 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO NOON PST MONDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO NOON PST MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SOME AFFECTED LOCATIONS...LYNDEN...FERNDALE...BELLINGHAM... CHERRY POINT...LUMMI ISLAND...ORCAS ISLAND...LOPEZ ISLAND. * WIND...NORTHEAST WINDS LOCALLY 25 TO 35 MPH WITH GUSTS TO 55 MPH. * TIMING...FRASER OUTFLOW WINDS WILL DEVELOP LATE TODAY AND PEAK EARLY MONDAY MORNING. THE WINDS WILL EASE MONDAY AFTERNOON. * IMPACTS...WINDS THIS STRONG CAN BREAK TREE LIMBS AND DOWN SMALL TREES. LOCAL POWER OUTAGES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WWW.WEATHER.GOV/SEATTLE
3 follow-up statements
188 WWUS76 KSEW 052305 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 305 PM PST SUN FEB 5 2017 WAZ001-503-060700- /O.CON.KSEW.WI.Y.0005.170206T0000Z-170206T2000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY- 305 PM PST SUN FEB 5 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST MONDAY... * SOME AFFECTED LOCATIONS...LYNDEN...FERNDALE...BELLINGHAM... CHERRY POINT...LUMMI ISLAND...ORCAS ISLAND...LOPEZ ISLAND. * WIND...NORTHEAST WINDS LOCALLY 25 TO 35 MPH WITH GUSTS TO 55 MPH. * TIMING...FRASER OUTFLOW WINDS WILL DEVELOP LATE TODAY AND PEAK EARLY MONDAY MORNING. THE WINDS WILL EASE MONDAY AFTERNOON. * IMPACTS...WINDS THIS STRONG CAN BREAK TREE LIMBS AND DOWN SMALL TREES. LOCAL POWER OUTAGES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WWW.WEATHER.GOV/SEATTLE
394 WWUS76 KSEW 060435 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 835 PM PST SUN FEB 5 2017 WAZ001-503-061245- /O.CON.KSEW.WI.Y.0005.000000T0000Z-170206T2000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY- 835 PM PST SUN FEB 5 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST MONDAY... * SOME AFFECTED LOCATIONS...LYNDEN...FERNDALE...BELLINGHAM... CHERRY POINT...LUMMI ISLAND...ORCAS ISLAND...LOPEZ ISLAND. * WIND...NORTHEAST WINDS LOCALLY 25 TO 35 MPH WITH GUSTS TO 55 MPH. * TIMING...FRASER OUTFLOW WINDS WILL DEVELOP LATE TODAY AND PEAK EARLY MONDAY MORNING. THE WINDS WILL EASE MONDAY AFTERNOON. * IMPACTS...WINDS THIS STRONG CAN BREAK TREE LIMBS AND DOWN SMALL TREES. LOCAL POWER OUTAGES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WWW.WEATHER.GOV/SEATTLE
153 WWUS76 KSEW 061543 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 743 AM PST MON FEB 6 2017 WAZ001-503-061645- /O.CAN.KSEW.WI.Y.0005.000000T0000Z-170206T2000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY- 743 AM PST MON FEB 6 2017 ...WIND ADVISORY HAS ENDED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE WIND ADVISORY FOR WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS. WIND GUSTS HAVE EASED BELOW 45 MPH...AND WIND SPEEDS ARE EXPECTED TO CONTINUE DECREASING FOR THE REST OF TODAY. $$ WWW.WEATHER.GOV/SEATTLE
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 2:58 AM PST | Gale Warning | SEW | 33 hr | |
| Feb 5, 2:58 AM PST | Small Craft Advisory | SEW | 6 hr | |
| Feb 5, 2:58 AM PST | Small Craft Advisory | SEW | 54 hr | |
| Feb 5, 3:32 AM PST | Winter Storm Warning | SEW | 35 hr | |
| Feb 5, 3:32 AM PST | Winter Weather Advisory | SEW | San Juan | 46 hr |
Nearby
Wind Advisories in Washington, 2017Every wind advisory in 2017
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.