Alert archive / Idaho / Red Flag Warnings in 2024
Red Flag Warning 21, NWS Pocatello, ID
NWS Pocatello, ID issued this red flag warning at Aug 11, 2024, 1:38 PM MDT for 12 counties in Idaho. It took effect at Aug 12, 2024, 12:00 PM MDT. It was in force for 9 hr. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 11, 2024, 1:38 PM MDT (19:38 UTC)
- In effect from
- Aug 12, 2024, 12:00 PM MDT
- Expired
- Aug 12, 2024, 8:58 PM MDT
- In force
- 9 hr
- Issued by
- NWS Pocatello, ID
Counties Bannock County, ID, Bear Lake County, ID, Bonneville County, ID, Caribou County, ID, Clark County, ID, Franklin County, ID, Fremont County, ID, Lemhi County, ID, Madison County, ID, Oneida County, ID, Power County, ID, Teton County, ID
The radar
The Pocatello radar (KSFX), 55 km from the middle of the area, began a volume at 19:42 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 12, 1:45 PM MDT | TSTM WND GST 45 | 16 W Osgood, ID | RWIS ITD99 Kettle Butte US-20. |
| Aug 12, 2:30 PM MDT | TSTM WND GST 50 | 9 Nw Small, ID | Mesonet station PC371 Medicine Lodge. |
| Aug 12, 2:55 PM MDT | TSTM WND GST 45 | 11 W Osgood, ID | Mesonet station KET Kettle Butte. |
| Aug 12, 3:00 PM MDT | TSTM WND GST 45 | 8 Ssw Island Park, ID | RWIS ITD23 Osborne Bridge US-20. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 7.6 hours before the alert went out and 277 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
- 268 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 2211 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
392 WWUS85 KPIH 111938 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 138 PM MDT Sun Aug 11 2024 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT MONDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... IDZ411-413-121200- /O.NEW.KPIH.FW.W.0021.240812T1800Z-240813T0300Z/ Centennial Mountains and Snake River Range/Targhee NF- Caribou Range/Caribou NF- 138 PM MDT Sun Aug 11 2024 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT MONDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... The National Weather Service in Pocatello has issued a Red Flag Warning for scattered thunderstorms, which is in effect from noon to 9 PM MDT Monday. * AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF and Fire Weather Zone 413 Caribou Range/Caribou NF. * IMPACTS...New lightning starts are possible, with gusty outflow winds possibly leading to rapid growth of new or existing fires. * THUNDERSTORMS...Scattered. * OUTFLOW WINDS...Up to 40 mph. 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. && $$
3 follow-up statements
810 WWUS85 KPIH 120920 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 320 AM MDT Mon Aug 12 2024 IDZ411-413-130000- /O.CON.KPIH.FW.W.0021.240812T1800Z-240813T0300Z/ Centennial Mountains and Snake River Range/Targhee NF- Caribou Range/Caribou NF- 320 AM MDT Mon Aug 12 2024 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... * AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF and Fire Weather Zone 413 Caribou Range/Caribou NF. * IMPACTS...New lightning starts are possible, with gusty outflow winds possibly leading to rapid growth of new or existing fires. * THUNDERSTORMS...Scattered. * OUTFLOW WINDS...Up to 50 mph. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Thunderstorm coverage of 25 percent, without specific rainfall criteria. && $$
820 WWUS85 KPIH 121841 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 1241 PM MDT Mon Aug 12 2024 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411, 413, 410, 475, and 476... IDZ411-413-130300- /O.NEW.KPIH.FW.W.0022.240813T1600Z-240814T0300Z/ /O.CON.KPIH.FW.W.0021.000000T0000Z-240813T0300Z/ Centennial Mountains and Snake River Range/Targhee NF- Caribou Range/Caribou NF- 1241 PM MDT Mon Aug 12 2024 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... The National Weather Service in Pocatello has issued a Red Flag Warning for scattered thunderstorms, which is in effect from 10 AM to 9 PM MDT Tuesday. * AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF and Fire Weather Zone 413 Caribou Range/Caribou NF. * IMPACTS...New lightning starts are possible, with gusty outflow winds possibly leading to rapid growth of new or existing fires. * THUNDERSTORMS...Scattered. * OUTFLOW WINDS...Up to 50 mph. 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. && $$ IDZ410-475-476-130300- /O.NEW.KPIH.FW.W.0022.240813T1600Z-240814T0300Z/ Upper Snake River Valley/Idaho Falls BLM- East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 1241 PM MDT Mon Aug 12 2024 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 475, AND 476... The National Weather Service in Pocatello has issued a Red Flag Warning for scattered thunderstorms, which is in effect from 10 AM to 9 PM MDT Tuesday. * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM, Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * IMPACTS...New lightning starts are possible, with gusty outflow winds possibly leading to rapid growth of new or existing fires. * THUNDERSTORMS...Scattered * OUTFLOW WINDS...Up to 50 mph. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$
482 WWUS85 KPIH 130258 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 858 PM MDT Mon Aug 12 2024 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411, 413, 410, 475, and 476... IDZ411-413-132300- /O.CAN.KPIH.FW.W.0021.000000T0000Z-240813T0300Z/ /O.CON.KPIH.FW.W.0022.240813T1600Z-240814T0300Z/ Centennial Mountains and Snake River Range/Targhee NF- Caribou Range/Caribou NF- 858 PM MDT Mon Aug 12 2024 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... ...RED FLAG WARNING IS CANCELLED FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... The National Weather Service in Pocatello has issued a Red Flag Warning for scattered thunderstorms, which is in effect from 10 AM to 9 PM MDT Tuesday. * AFFECTED AREA...Fire Weather Zone 411 Centennial Mountains and Snake River Range/Targhee NF and Fire Weather Zone 413 Caribou Range/Caribou NF. * IMPACTS...New lightning starts are possible, with gusty outflow winds possibly leading to rapid growth of new or existing fires. * THUNDERSTORMS...Scattered. * OUTFLOW WINDS...Up to 50 mph. 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. && $$ IDZ410-475-476-132300- /O.CON.KPIH.FW.W.0022.240813T1600Z-240814T0300Z/ Upper Snake River Valley/Idaho Falls BLM- East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 858 PM MDT Mon Aug 12 2024 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 475, AND 476... * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM, Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * IMPACTS...New lightning starts are possible, with gusty outflow winds possibly leading to rapid growth of new or existing fires. * THUNDERSTORMS...Scattered * OUTFLOW WINDS...Up to 50 mph. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. - Thunderstorm coverage of 25 percent, without specific rainfall criteria. - Other high impact events deemed critical by the National Weather Service and area fire management agencies. && $$
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 11:44 PM MDT | Special Weather Statement | PIH | Butte, Clark, Jefferson | 46 min |
Nearby
Red Flag Warnings in Idaho, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.