Alert archive / Washington / Red Flag Warnings in 2021
Red Flag Warning 15, NWS Pendleton, OR
NWS Pendleton, OR issued this red flag warning at Aug 29, 2021, 1:18 PM PDT. It took effect at Aug 30, 2021, 12:00 PM PDT. It was in force for 9 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
- Aug 29, 2021, 1:18 PM PDT (20:18 UTC)
- In effect from
- Aug 30, 2021, 12:00 PM PDT
- Expired
- Aug 30, 2021, 9:00 PM PDT
- In force
- 9 hr
- Issued by
- NWS Pendleton, OR
The text
As transmitted.
786 WWUS86 KPDT 292018 RFWPDT URGENT - FIRE WEATHER MESSAGE National Weather Service Pendleton OR 118 PM PDT Sun Aug 29 2021 ...DRY AND BREEZY CONDITIONS IN THE LOWER COLUMBIA BASIN OF WASHINGTON AND OREGON ON MONDAY... .A dry cold front will move across the region on Monday, resulting in breezy to locally windy conditions in the afternoon and evening. With warm afternoon temperatures, humidities will fall to between 12 and 20 percent. These winds and low humidities will result in several hours of critical fire weather conditions Monday afternoon and evening. Conditions will improve by Tuesday as cooler air spills into the region with higher humidities. ORZ641-WAZ641-675-301400- /O.NEW.KPDT.FW.W.0015.210830T1900Z-210831T0400Z/ Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- Eastern Washington Southern Columbia Basin- 118 PM PDT Sun Aug 29 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM PDT MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR641, WA641, AND WA675... The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 9 PM PDT Monday. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 641 Lower Columbia Basin of Washington and 675 Eastern Washington Southern Columbia Basin. * WINDS...West 15 to 25 mph with gusts of 30 to 40 mph. * RELATIVE HUMIDITY...12 to 20 percent. * IMPACTS...The gusty winds combined with low relative humidities will lead to critical fire danger, allowing for rapid spread of existing fires and any new fires. 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 can contribute to extreme fire behavior. && $$
3 follow-up statements
514 WWUS86 KPDT 300954 RFWPDT URGENT - FIRE WEATHER MESSAGE National Weather Service Pendleton OR 254 AM PDT Mon Aug 30 2021 ...DRY AND BREEZY CONDITIONS IN THE LOWER COLUMBIA BASIN OF WASHINGTON AND OREGON THIS AFTERNOON AND EVENING... .A dry cold front will move across the region today, resulting in breezy to locally windy conditions in the afternoon and evening. With warm afternoon temperatures, humidities will fall to between 12 and 20 percent. These winds and low humidities will result in critical fire weather conditions this afternoon and early evening. ORZ641-WAZ641-675-302200- /O.CON.KPDT.FW.W.0015.210830T1900Z-210831T0400Z/ Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- Eastern Washington Southern Columbia Basin- 254 AM PDT Mon Aug 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR641, WA641, AND WA675... * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 641 Lower Columbia Basin of Washington and 675 Eastern Washington Southern Columbia Basin. * WINDS...West 15 to 25 mph with gusts of 30 to 40 mph. * RELATIVE HUMIDITY...12 to 20 percent. * IMPACTS...The gusty winds combined with low relative humidities will lead to critical fire danger, allowing for rapid spread of existing fires and any new fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
456 WWUS86 KPDT 302149 RFWPDT URGENT - FIRE WEATHER MESSAGE National Weather Service Pendleton OR 249 PM PDT Mon Aug 30 2021 ...DRY AND BREEZY CONDITIONS IN THE LOWER COLUMBIA BASIN OF WASHINGTON AND OREGON THIS AFTERNOON AND EVENING... .A dry cold front will move across the region this afternoon, resulting in breezy to locally windy conditions through the evening. With warm afternoon temperatures, humidities will fall to between 12 and 20 percent. These winds and low humidities will result in critical fire weather conditions this afternoon and early evening. ORZ641-WAZ641-675-310400- /O.CON.KPDT.FW.W.0015.000000T0000Z-210831T0400Z/ Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- Eastern Washington Southern Columbia Basin- 249 PM PDT Mon Aug 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR641, WA641, AND WA675... * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 641 Lower Columbia Basin of Washington and 675 Eastern Washington Southern Columbia Basin. * WINDS...West 15 to 25 mph with gusts of 30 to 40 mph. * RELATIVE HUMIDITY...12 to 20 percent. * IMPACTS...The gusty winds combined with low relative humidities will lead to critical fire danger, allowing for rapid spread of existing fires and any new fires. 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 can contribute to extreme fire behavior. && $$
732 WWUS86 KPDT 310350 RFWPDT URGENT - FIRE WEATHER MESSAGE National Weather Service Pendleton OR 850 PM PDT Mon Aug 30 2021 ORZ641-WAZ641-675-310500- /O.EXP.KPDT.FW.W.0015.000000T0000Z-210831T0400Z/ Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- Eastern Washington Southern Columbia Basin- 850 PM PDT Mon Aug 30 2021 ...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR641, WA641, AND WA675... The relative humidity was increasing across the area and winds were slowly decreasing. Thus the threat for red flag conditions had diminished and the red flag warning will be allowed to expire. $$
Nearby
Red Flag Warnings in Washington, 2021Red Flag Warnings in Oregon, 2021Every red flag warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.