Alert archive / Washington / Red Flag Warnings in 2009
Red Flag Warning 2, NWS Spokane, WA
NWS Spokane, WA issued this red flag warning at Jul 17, 2009, 3:31 AM PDT. It took effect at Jul 17, 2009, 11:00 AM PDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 17, 2009, 3:31 AM PDT (10:31 UTC)
- In effect from
- Jul 17, 2009, 11:00 AM PDT
- Expired
- Jul 17, 2009, 11:00 PM PDT
- In force
- 12 hr
- Issued by
- NWS Spokane, WA
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS86 KOTX 171031 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 331 AM PDT FRI JUL 17 2009 ...A VERY DRY AND UNSTABLE AIR MASS COMBINED WITH DRY FUELS WILL MAKE CONDITIONS FAVORABLE FOR HIGH FIRE GROWTH... WAZ676-677-680-682-171845- /O.NEW.KOTX.FW.W.0002.090717T1800Z-090718T0600Z/ EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)- EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)- 331 AM PDT FRI JUL 17 2009 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT THIS EVENING. A VERY DRY AND UNSTABLE AIR MASS WILL STRENGTHEN OVER THE EAST SLOPES OF THE CASCADES THIS AFTERNOON. COMBINED WITH DRY FUELS THIS WILL MAKE THE BURN ENVIRONMENT FAVORABLE FOR HIGH TO EXTREME FIRE GROWTH. HIGH PRESSURE OVER THE REGION...COMBINED WITH A THERMAL RIDGE ALONG THE EAST SLOPES OF THE CASCADES HAS ALLOWED THE LOWER ATMOSPHERE TO BECOME VERY DRY AND UNSTABLE. ANY ONGOING FIRES IN THE AREA COULD SEE THE POTENTIAL FOR RAPID FIRE GROWTH. IN ADDITION WINDS ARE EXPECTED TO PICK UP THIS AFTERNOON THROUGH THE GAPS AND ALONG THE RIDGES WITH GUSTS NEAR 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
1 follow-up statement
000 WWUS86 KOTX 172050 RFWOTX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 150 PM PDT FRI JUL 17 2009 ...A VERY DRY AND UNSTABLE AIR MASS COMBINED WITH DRY FUELS WILL MAKE CONDITIONS FAVORABLE FOR HIGH FIRE GROWTH THROUGH THIS EVENING... WAZ676-677-680-682-180600- /O.CON.KOTX.FW.W.0002.000000T0000Z-090718T0600Z/ EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)- EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)- EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)- EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)- 150 PM PDT FRI JUL 17 2009 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR UNSTABLE AND DRY CONDITIONS ACROSS THE CENTRAL CASCADES... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING. A VERY DRY AND UNSTABLE AIR MASS WILL PERSIST OVER THE SOUTHERN WASHINGTON CASCADES THROUGH THIS EVENING. THE UNSTABLE AND DRY CONDITIONS PAIRED WITH THE DRY FUELS WILL SUPPORT A BURN ENVIRONMENT CONDUCIVE TO HIGH FIRE GROWTH. HIGH PRESSURE OVER THE REGION...COMBINED WITH A THERMAL RIDGE ALONG THE EAST SLOPES OF THE CASCADES HAS ALLOWED THE LOWER ATMOSPHERE TO BECOME VERY DRY AND UNSTABLE. ANY ONGOING OR NEW FIRES IN THE AREA COULD POTENTIALLY GROW RAPIDLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY AND UNSTABLE CONDITIONS COULD LEAD TOWARD EXPLOSIVE FIRE GROWTH. && $$
Nearby
Red Flag Warnings in Washington, 2009Every red flag warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.