Alert archive / Idaho / Red Flag Warnings in 2020
Red Flag Warning 21, NWS Pocatello, ID
NWS Pocatello, ID issued this red flag warning at Sep 4, 2020, 3:03 PM MDT for 18 counties in Idaho. It took effect at Sep 5, 2020, 12:00 PM MDT. 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
- Sep 4, 2020, 3:03 PM MDT (21:03 UTC)
- In effect from
- Sep 5, 2020, 12:00 PM MDT
- Expired
- Sep 5, 2020, 8:58 PM MDT
- In force
- 9 hr
- Issued by
- NWS Pocatello, ID
Counties Bingham County, ID, Blaine County, ID, Boise County, ID, Bonneville County, ID, Butte County, ID, Clark County, ID, Custer County, ID, Fremont County, ID, Idaho County, ID, Jefferson County, ID, Jerome County, ID, Lemhi County, ID, Lincoln County, ID, Madison County, ID, Minidoka County, ID, Power County, ID, Teton County, ID, Valley County, ID
The radar
The Pocatello radar (KSFX), 95 km from the middle of the area, began a volume at 21:06 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
Boise Airport, ID (KBOI), launched 12:00Z, 9.1 hours before the alert went out and 232 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
- 3330 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
979 WWUS85 KPIH 042103 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 303 PM MDT Fri Sep 4 2020 IDZ410-425-051200- /O.UPG.KPIH.FW.A.0009.200905T1800Z-200906T0300Z/ /O.NEW.KPIH.FW.W.0021.200905T1800Z-200906T0300Z/ /O.UPG.KPIH.FW.A.0010.200906T1800Z-200907T0300Z/ /O.NEW.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 303 PM MDT Fri Sep 4 2020 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... The National Weather Service in Pocatello has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Saturday and noon to 9 PM MDT Sunday. The Fire Weather Watch is no longer in effect. A Red Flag Warning has also been issued from noon to 9 PM MDT Sunday for gusty winds and low relative humidity. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River. * TIMING...Saturday noon to 9 pm and Sunday noon to 9 pm. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. && $$ IDZ422-475-476-051200- /O.UPG.KPIH.FW.A.0009.200905T1800Z-200906T0300Z/ /O.NEW.KPIH.FW.W.0021.200905T1800Z-200906T0300Z/ Sawtooth Range/Northern Sawtooth NF- East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 303 PM MDT Fri Sep 4 2020 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 422, 475 AND 476... The National Weather Service in Pocatello has issued a Red Flag Warning for gusty winds and low relative humidity which is in effect from noon to 9 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF, Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * TIMING...Saturday noon to 9 pm. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 11 percent. * HAINES INDEX...6. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. && $$ IDZ413-427-051200- /O.UPG.KPIH.FW.A.0010.200906T1800Z-200907T0300Z/ /O.NEW.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Caribou Range/Caribou NF- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 303 PM MDT Fri Sep 4 2020 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 413 AND 427... The National Weather Service in Pocatello has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 413 Caribou Range/Caribou NF and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * TIMING...Sunday noon to 9 pm. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. && $$ IDZ411-051200- /O.NEW.KPIH.FW.W.0021.200905T1800Z-200906T0300Z/ Centennial Mountains and Snake River Range/Targhee NF- 303 PM MDT Fri Sep 4 2020 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 411... The National Weather Service in Pocatello has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Saturday. * AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF. * TIMING...Saturday noon to 9 pm. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. && $$
3 follow-up statements
187 WWUS85 KPIH 050824 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 224 AM MDT Sat Sep 5 2020 IDZ422-052100- /O.EXA.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ /O.CON.KPIH.FW.W.0021.200905T1800Z-200906T0300Z/ Sawtooth Range/Northern Sawtooth NF- 224 AM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 422... ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 422... The National Weather Service in Pocatello has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Sunday. * AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF. * TIMING...Saturday noon to 9 pm and Sunday noon to 9 pm. * WINDS...West 15 to 20 mph with gusts of 25 to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread on new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$ IDZ410-425-052100- /O.CON.KPIH.FW.W.0021.200905T1800Z-200906T0300Z/ /O.CON.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 224 AM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River. * TIMING...Saturday noon to 9 pm and Sunday noon to 9 pm. * WINDS...West 15 to 25 mph with gusts of 30 to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$ IDZ411-475-476-052100- /O.CON.KPIH.FW.W.0021.200905T1800Z-200906T0300Z/ Centennial Mountains and Snake River Range/Targhee NF- East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 224 AM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 411, 475 AND 476... * AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF, Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * TIMING...Saturday noon to 9 pm. * WINDS...West 10 to 20 mph with gusts of 25 to 30 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$ IDZ413-427-052100- /O.CON.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Caribou Range/Caribou NF- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 224 AM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 413 AND 427... * AFFECTED AREA...Fire Weather Zone 413 Caribou Range/Caribou NF and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * TIMING...Sunday noon to 9 pm. * WINDS...West 15 to 20 mph with gusts of 25 to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$
111 WWUS85 KPIH 051930 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 130 PM MDT Sat Sep 5 2020 IDZ410-425-060330- /O.CON.KPIH.FW.W.0021.000000T0000Z-200906T0300Z/ /O.CON.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 130 PM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River. * TIMING...Until 9 pm this evening and Sunday noon to 9 pm. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$ IDZ422-060330- /O.CON.KPIH.FW.W.0021.000000T0000Z-200906T0300Z/ /O.CON.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Sawtooth Range/Northern Sawtooth NF- 130 PM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 422... ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 422... * AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF. * TIMING...Until 9 pm this evening and Sunday noon to 9 pm. * WINDS...West 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread on new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$ IDZ411-475-476-060300- /O.CON.KPIH.FW.W.0021.000000T0000Z-200906T0300Z/ Centennial Mountains and Snake River Range/Targhee NF- East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 130 PM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 411, 475 AND 476... * AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF, Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * TIMING...Until 9 pm this evening. * WINDS...West 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$ IDZ413-427-060330- /O.CON.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Caribou Range/Caribou NF- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 130 PM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 413 AND 427... * AFFECTED AREA...Fire Weather Zone 413 Caribou Range/Caribou NF and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * TIMING...Sunday noon to 9 pm. * WINDS...West 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$
572 WWUS85 KPIH 060258 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 858 PM MDT Sat Sep 5 2020 IDZ410-425-061200- /O.CAN.KPIH.FW.W.0021.000000T0000Z-200906T0300Z/ /O.CON.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 858 PM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410 AND 425... * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 425 Middle Snake River Valley/Twin Falls BLM north of the Snake River. * TIMING...Sunday noon to 9 pm. * WINDS...West 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ IDZ422-061200- /O.CAN.KPIH.FW.W.0021.000000T0000Z-200906T0300Z/ /O.CON.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Sawtooth Range/Northern Sawtooth NF- 858 PM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 422... * AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern Sawtooth NF. * TIMING...Sunday noon to 9 pm. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread on new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$ IDZ411-475-476-060400- /O.CAN.KPIH.FW.W.0021.000000T0000Z-200906T0300Z/ Centennial Mountains and Snake River Range/Targhee NF- East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 858 PM MDT Sat Sep 5 2020 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 411, 475 AND 476... The National Weather Service in Pocatello has cancelled the Red Flag Warning. $$ IDZ413-427-061200- /O.CON.KPIH.FW.W.0022.200906T1800Z-200907T0300Z/ Caribou Range/Caribou NF- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 858 PM MDT Sat Sep 5 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 413 AND 427... * AFFECTED AREA...Fire Weather Zone 413 Caribou Range/Caribou NF and Fire Weather Zone 427 Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River. * TIMING...Sunday noon to 9 pm. * WINDS...West 20 to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of strong winds and critically low relative humidity values will contribute to rapid fire spread of new and existing fires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. && $$
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 1:11 AM MDT | Fire Weather Watch | PIH | Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 14 more | 14 hr |
| Sep 4, 3:03 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Boise, Bonneville and 16 more | 54 hr |
Nearby
Red Flag Warnings in Idaho, 2020Every red flag warning in 2020
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.