Alert archive / Washington / Red Flag Warnings in 2024
Red Flag Warning 13, NWS Spokane, WA
NWS Spokane, WA issued this red flag warning at Aug 5, 2024, 1:59 PM PDT for Asotin County, Columbia County, Garfield County, Washington. It took effect at Aug 6, 2024, 2:00 AM PDT. It was in force for 18 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 5, 2024, 1:59 PM PDT (20:59 UTC)
- In effect from
- Aug 6, 2024, 2:00 AM PDT
- Expired
- Aug 6, 2024, 8:00 PM PDT
- In force
- 18 hr
- Issued by
- NWS Spokane, WA
Counties Asotin County, WA, Columbia County, WA, Garfield County, WA
The radar
The Pendleton radar (KPDT), 122 km from the middle of the area, began a volume at 21:03 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
Spokane, WA (KOTX), launched 12:00Z, 9.0 hours before the alert went out and 178 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
- 26 J/kg
- Mixed-layer CIN
- -419 J/kg
- Mixed-layer LCL
- 1763 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
543 WWUS86 KOTX 052059 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 159 PM PDT Mon Aug 5 2024 WAZ709-061330- /O.CAN.KOTX.FW.W.0012.000000T0000Z-240806T0000Z/ /O.NEW.KOTX.FW.W.0013.240806T0900Z-240806T2000Z/ Lower Palouse - Snake River (Zone 709)- 159 PM PDT Mon Aug 5 2024 ...RED FLAG WARNING IN EFFECT FROM 2 AM TO 1 PM PDT TUESDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONE 709... The National Weather Service in Spokane has issued a Red Flag Warning, which is in effect from 2 AM to 1 PM PDT Tuesday. The Red Flag Warning that was out for the same area through 5 PM today has been cancelled. * Affected Area: Fire Weather Zone 709 Lower Palouse-Snake River. * Thunderstorms: Scattered thunderstorms containing only brief rain. * Outflow Winds: Gusty outflow winds are possible near any thunderstorms. * Impacts: Abundant lightning combined with dry fuels may lead to several new fire starts Tuesday. The fast movement of storms will limit rain amounts, leading to the potential for new fire starts. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. && $$ WAZ701-707-708-052200- /O.CAN.KOTX.FW.W.0012.000000T0000Z-240806T0000Z/ Foothills of Northeast Washington (Zone 701)- Western Columbia Basin (Zone 707)-Eastern Columbia Basin - Palouse - Spokane Area (Zone 708)- 159 PM PDT Mon Aug 5 2024 ...RED FLAG WARNING IS CANCELLED FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 701, 707, AND 708... The National Weather Service in Spokane has cancelled the Red Flag Warning. The scattered thunderstorm potential has decreased across the region. Therefore the red flag warning has been cancelled. There is a 20 percent chance of thunderstorms through this evening, mainly right along the Idaho border. $$
3 follow-up statements
554 WWUS86 KOTX 060951 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 251 AM PDT Tue Aug 6 2024 WAZ709-062000- /O.EXT.KOTX.FW.W.0013.000000T0000Z-240807T0300Z/ Lower Palouse - Snake River (Zone 709)- 251 AM PDT Tue Aug 6 2024 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR THUNDERSTORMS FOLLOWED BY BREEZY WINDS AND DRY CONDITIONS FOR FIRE WEATHER ZONE 709... * Affected Area: Fire Weather Zone 709 Lower Palouse -Snake River (Zone 709). * Thunderstorms: Scattered thunderstorms containing only brief rain this morning through mid afternoon. * Winds: West 10 to 20 mph with gusts up to 30 mph. Gusty outflow winds are possible near any thunderstorms. * Relative Humidities: 10 to 18 percent. * Impacts: Abundant lightning combined with dry fuels may lead to several new fire starts. Little to no rain is expected with lightning. Gusty winds this afternoon into the early evening may result in rapid fire spread for any new and ongoing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. && $$
257 WWUS86 KOTX 062016 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 116 PM PDT Tue Aug 6 2024 WAZ709-070300- /O.CON.KOTX.FW.W.0013.000000T0000Z-240807T0300Z/ Lower Palouse - Snake River (Zone 709)- 116 PM PDT Tue Aug 6 2024 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR BREEZY WINDS AND DRY CONDITIONS FOR FIRE WEATHER ZONE 709... * Affected Area: Fire Weather Zone 709 Lower Palouse-Snake River. * Winds: West 10 to 20 mph with gusts up to 30 mph. Gusty outflow winds are possible near any thunderstorms. * Relative Humidities: 10 to 18 percent. * Thunderstorms: Isolated thunderstorms containing only brief rain is possible through mid afternoon. * Impacts: Gusty winds with low relative humidity values through the early evening may result in rapid fire spread for any new and ongoing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. && $$
965 WWUS86 KOTX 070304 RFWOTX URGENT - FIRE WEATHER MESSAGE National Weather Service Spokane WA 804 PM PDT Tue Aug 6 2024 WAZ709-070415- /O.EXP.KOTX.FW.W.0013.000000T0000Z-240807T0300Z/ Lower Palouse - Snake River (Zone 709)- 804 PM PDT Tue Aug 6 2024 ...RED FLAG WARNING HAS EXPIRED FOR BREEZY WINDS AND DRY CONDITIONS FOR FIRE WEATHER ZONE 709... Winds have decreased to below critical thresholds and thus the warning has expired. $$
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 7:44 PM PDT | Red Flag Warning | OTX | Adams, Asotin, Columbia, Garfield, Grant, Lincoln and 4 more | 18 hr |
| Aug 5, 7:46 AM PDT | Special Weather Statement | OTX | Asotin | 29 min |
| Aug 5, 8:17 AM PDT | Special Weather Statement | OTX | Asotin | 28 min |
| Aug 5, 9:23 AM PDT | Special Weather Statement | OTX | Spokane | 37 min |
Nearby
Red Flag Warnings in Washington, 2024Every red flag warning in 2024
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.