Alert archive / Washington / Wind Advisories in 2011
Wind Advisory 2, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Jan 29, 2011, 2:57 PM PST for San Juan County, Washington. It took effect at Jan 29, 2011, 10:00 PM PST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jan 29, 2011, 2:57 PM PST (22:57 UTC)
- In effect from
- Jan 29, 2011, 10:00 PM PST
- Expired
- Jan 30, 2011, 2:55 AM PST
- In force
- 5 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 22:57 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, 11.0 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
- 549 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
296 WWUS76 KSEW 292257 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 257 PM PST SAT JAN 29 2011 WAZ001-503-300700- /O.NEW.KSEW.WI.Y.0002.110130T0600Z-110131T0000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY- 257 PM PST SAT JAN 29 2011 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST SUNDAY FOR WESTERN WHATCOM COUNTY AND THE SAN JUANS... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 PM TONIGHT UNTIL 4 PM PST SUNDAY. * SOME AFFECTED LOCATIONS...BELLINGHAM....EAST SOUND...AND AREAS NORMALLY EXPOSED TO FRASER OUTFLOW OR STRONG NORTHERLY WINDS. * WINDS...WILL INCREASE FROM THE NORTH AT 20 TO 30 MPH WITH GUSTS NEAR 45 MPH. * TIMING...EXPECT WINDS TO INCREASE TONIGHT BEFORE GRADUALLY SUBSIDING SUNDAY AFTERNOON. * IMPACTS...THE GUSTY NORTH WINDS WILL ALSO USHER IN A MUCH COLDER AIR MASS...AND WILL MAKE THE TEMPERATURE FEEL COLDER THAN IT WILL ACTUALLY BE. 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. IF YOU PLAN TO USE AN ALTERNATE SOURCE OF HEAT OR ELECTRICITY... OBSERVE ALL SAFETY PRECAUTIONS TO AVOID CARBON MONOXIDE POISONING... ELECTROCUTION...OR A FIRE. PORTABLE GENERATORS SHOULD ONLY BE USED OUTDOORS IN A DRY AND WELL VENTILATED AREA. DO NOT USE A BARBECUE GRILL TO HEAT YOUR HOME AS IT CAN LEAD TO CARBON MONOXIDE POISONING OR A FIRE. && $$ WWW.WEATHER.GOV/SEATTLE
2 follow-up statements
000 WWUS76 KSEW 300728 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 1128 PM PST SAT JAN 29 2011 WAZ001-503-301530- /O.CON.KSEW.WI.Y.0002.000000T0000Z-110131T0000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY- 1128 PM PST SAT JAN 29 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SUNDAY FOR WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS... A WIND ADVISORY FOR WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS REMAINS IN EFFECT UNTIL 4 PM PST SUNDAY. * SOME AFFECTED LOCATIONS...BELLINGHAM....EAST SOUND...AND AREAS NORMALLY EXPOSED TO FRASER OUTFLOW OR STRONG NORTHEASTERLY WINDS. * WINDS...NORTHEAST WINDS 20 TO 30 MPH WITH A FEW GUSTS TO NEAR 45 MPH. * TIMING...EXPECT WINDS CONTINUE THROUGH MIDDAY SUNDAY BEFORE SUBSIDING SUNDAY AFTERNOON. * IMPACTS...THE GUSTY NORTH WINDS WILL USHER IN A COLDER AIR MASS...AND WILL MAKE THE TEMPERATURE FEEL COLDER THAN IT WILL ACTUALLY BE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR GUSTS OF 45 TO 57 MPH ARE LIKELY. WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW ROOTED TREES...AND CAUSE LOCAL POWER OUTAGES. IF YOU PLAN TO USE AN ALTERNATE SOURCE OF HEAT OR ELECTRICITY... OBSERVE ALL SAFETY PRECAUTIONS TO AVOID CARBON MONOXIDE POISONING... ELECTROCUTION...OR A FIRE. PORTABLE GENERATORS SHOULD ONLY BE USED OUTDOORS IN A DRY AND WELL VENTILATED AREA. DO NOT USE A BARBECUE GRILL TO HEAT YOUR HOME AS IT CAN LEAD TO CARBON MONOXIDE POISONING OR A FIRE. && $$ ALBRECHT WWW.WEATHER.GOV/SEATTLE
589 WWUS76 KSEW 301055 NPWSEW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 255 AM PST SUN JAN 30 2011 WAZ001-503-301200- /O.CAN.KSEW.WI.Y.0002.000000T0000Z-110131T0000Z/ SAN JUAN COUNTY-WESTERN WHATCOM COUNTY- 255 AM PST SUN JAN 30 2011 ...WIND ADVISORY IS CANCELLED FOR WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE WIND ADVISORY FOR WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS. WHILE IT WILL STILL BE WINDY TODAY ACROSS WESTERN WHATCOM COUNTY AND IN THE SAN JUAN ISLANDS...WINDS MOVING DOWN THROUGH THE FRASER RIVER VALLEY WILL BE A LITTLE LIGHTER THAN PREVIOUS EXPECTED. $$ ALBRECHT WWW.WEATHER.GOV/SEATTLE
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 29, 3:27 AM PST | Small Craft Advisory | SEW | 4 days | |
| Jan 29, 8:54 AM PST | Gale Warning | SEW | 27 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.