Alert archive / Wyoming / Red Flag Warnings in 2021
Red Flag Warning 20, NWS Riverton, WY
NWS Riverton, WY issued this red flag warning at Sep 10, 2021, 1:51 AM MDT for 7 counties in Wyoming. It took effect at Sep 10, 2021, 10:00 AM MDT. It was in force for 10 hr. 3 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
- Sep 10, 2021, 1:51 AM MDT (07:51 UTC)
- In effect from
- Sep 10, 2021, 10:00 AM MDT
- Expired
- Sep 10, 2021, 8:00 PM MDT
- In force
- 10 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Natrona County, WY, Park County, WY, Sweetwater County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 49 km from the middle of the area, began a volume at 07:56 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 |
|---|---|---|---|
| Sep 10, 4:09 PM MDT | NON-TSTM WND GST 68 | 8 Se Reliance, WY | ASOS STATION KRKS ROCK SPRINGS AIRPORT. |
| Sep 10, 5:19 PM MDT | TSTM WND GST 60 | 1 Ssw Lander, WY | ASOS STATION KLND LANDER AIRPORT. |
| Sep 10, 5:25 PM MDT | TSTM WND GST 64 | 5 Nw Riverton, WY | ASOS STATION KRIW RIVERTON AIRPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 7.9 hours before the alert went out and 45 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
- 7 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 4291 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
317 WWUS85 KRIW 100751 RFWRIW URGENT - FIRE WEATHER MESSAGE National Weather Service Riverton WY 151 AM MDT Fri Sep 10 2021 WYZ283-110200- /O.UPG.KRIW.FW.A.0011.210910T1800Z-210911T0200Z/ /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ Upper Wind River Basin/Wind River Basin- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. the Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In Central WY...Fire Weather Zone 283. * COUNTIES AFFECTED: In Central WY...Fremont. * WIND: Southwest 15 to 25 mph with gusts up to 30 mph. * HUMIDITY: As low as 11 percent. * TEMPERATURES: Highs in the upper 80s. 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. && $$ WYZ285-110200- /O.UPG.KRIW.FW.A.0011.210910T1800Z-210911T0200Z/ /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ South Bighorn Mountains- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. the Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In Central WY...Fire Weather Zone 285. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Hot Springs...Johnson...Washakie. * WIND: Southwest 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Highs in the lower 80s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ282-110200- /O.UPG.KRIW.FW.A.0011.210910T1800Z-210911T0200Z/ /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ South Big Horn Basin/Worland BLM- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. the Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In North Central WY...Fire Weather Zone 282. * COUNTIES AFFECTED: In North Central WY...Hot Springs...Washakie. * WIND: Southwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 9 percent. * TEMPERATURES: Highs in the lower 90s. 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. && $$ WYZ279-289-110200- /O.UPG.KRIW.FW.A.0011.210910T1800Z-210911T0200Z/ /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- Granite/Green/Ferris/Rattlesnake Mountains- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. the Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In Central WY Fire Zone....289. In Southwest WY Fire Zone....279. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater. * WIND: West to southwest 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 11 percent. * TEMPERATURES: Highs in the mid 80s. * THUNDERSTORMS: Isolated dry thunderstorms could develop during the afternoon which could result in very strong, gusty winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ280-300-110200- /O.UPG.KRIW.FW.A.0011.210910T1800Z-210911T0200Z/ /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ Natrona County/Casper BLM-Casper Mountain- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. the Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In Central WY...Fire Weather Zones 280 and 300. * COUNTIES AFFECTED: In Central WY...Natrona. * WIND: Southwest 10 to 20 mph with gusts up to 35 mph. * HUMIDITY: As low as 8 percent. * TEMPERATURES: Highs around 90. 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. && $$ WYZ281-110200- /O.UPG.KRIW.FW.A.0011.210910T1800Z-210911T0200Z/ /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ Johnson County/Casper BLM- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. the Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In North Central WY...Fire Weather Zone 281. * COUNTIES AFFECTED: In North Central WY...Johnson. * WIND: Southwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 9 percent. * TEMPERATURES: Highs in the mid 90s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ288-110200- /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ East Wind River Mountains/South Shoshone NF- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In Central WY...Fire Weather Zone 288. * COUNTIES AFFECTED: In Central WY...Fremont. In West Central WY...Sublette. * WIND: Southwest 15 to 25 mph with gusts up to 40 mph. * HUMIDITY: As low as 13 percent. * TEMPERATURES: Highs in the lower 70s. 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. && $$ WYZ287-110200- /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ Owl Creek Mountains- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In North Central WY...Fire Weather Zone 287. * COUNTIES AFFECTED: In Central WY...Fremont. In North Central WY...Hot Springs. * WIND: Southwest 15 to 25 mph with gusts up to 40 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Highs in the lower 80s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ276-110200- /O.NEW.KRIW.FW.W.0020.210910T1600Z-210911T0200Z/ Cody Foothills- 151 AM MDT Fri Sep 10 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 10 AM this morning to 8 PM MDT this evening. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior with any existing or new fire starts. * AFFECTED AREA: In North Central WY...Fire Weather Zone 276. * COUNTIES AFFECTED: In North Central WY...Park. * WIND: West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 13 percent. * TEMPERATURES: Highs in the mid 80s. 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. && $$ 21
2 follow-up statements
407 WWUS85 KRIW 101918 RFWRIW URGENT - FIRE WEATHER MESSAGE National Weather Service Riverton WY 118 PM MDT Fri Sep 10 2021 WYZ283-288-110200- /O.CON.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Upper Wind River Basin/Wind River Basin- East Wind River Mountains/South Shoshone NF- 118 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts. * AFFECTED AREA: In Central WY...Fire Weather Zones 283 and 288. * COUNTIES AFFECTED: In Central WY...Fremont. In West Central WY...Sublette. * WIND: West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 11 percent. * TEMPERATURES: Highs in the lower 80s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ285-287-110200- /O.CON.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ South Bighorn Mountains-Owl Creek Mountains- 118 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts. * AFFECTED AREA: In Central WY Fire Zone....285. In North Central WY Fire Zone....287. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Hot Springs...Johnson...Washakie. * WIND: West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 9 percent. * TEMPERATURES: Highs in the lower 80s. 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. && $$ WYZ276-282-110200- /O.CON.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Cody Foothills-South Big Horn Basin/Worland BLM- 118 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts. * AFFECTED AREA: In North Central WY...Fire Weather Zones 276 and 282. * COUNTIES AFFECTED: In North Central WY...Hot Springs...Park...Washakie. * WIND: West 5 to 15 mph with gusts up to 25 mph. * HUMIDITY: As low as 9 percent. * TEMPERATURES: Highs in the upper 80s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ279-289-110200- /O.CON.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- Granite/Green/Ferris/Rattlesnake Mountains- 118 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts. * AFFECTED AREA: In Central WY Fire Zone....289. In Southwest WY Fire Zone....279. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater. * WIND: Southwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Highs in the mid 80s. * THUNDERSTORMS: Isolated dry thunderstorms could develop during the afternoon which could result in very strong, gusty winds. 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. && $$ WYZ280-300-110200- /O.CON.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Natrona County/Casper BLM-Casper Mountain- 118 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts. * AFFECTED AREA: In Central WY...Fire Weather Zones 280 and 300. * COUNTIES AFFECTED: In Central WY...Natrona. * WIND: West 10 to 15 mph with gusts up to 30 mph. * HUMIDITY: As low as 8 percent. * TEMPERATURES: Highs in the upper 80s. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ WYZ281-110200- /O.CON.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Johnson County/Casper BLM- 118 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts. * AFFECTED AREA: In North Central WY...Fire Weather Zone 281. * COUNTIES AFFECTED: In North Central WY...Johnson. * WIND: West 5 to 15 mph with gusts up to 25 mph. * HUMIDITY: As low as 8 percent. * TEMPERATURES: Highs in the lower 90s. 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. && $$ http://weather.gov/riverton
189 WWUS85 KRIW 110142 RFWRIW URGENT - FIRE WEATHER MESSAGE National Weather Service Riverton WY 742 PM MDT Fri Sep 10 2021 WYZ283-288-110245- /O.EXP.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Upper Wind River Basin/Wind River Basin- East Wind River Mountains/South Shoshone NF- 742 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING... Winds are decreasing and humidity is rising this evening, as temperatures cool. Thus, the Red Flag Warning will be allowed to expire. $$ WYZ285-287-110245- /O.EXP.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ South Bighorn Mountains-Owl Creek Mountains- 742 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING... Winds are decreasing and humidity is rising this evening, as temperatures cool. Thus, the Red Flag Warning will be allowed to expire. $$ WYZ276-282-110245- /O.EXP.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Cody Foothills-South Big Horn Basin/Worland BLM- 742 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING... Winds are decreasing and humidity is rising this evening, as temperatures cool. Thus, the Red Flag Warning will be allowed to expire. $$ WYZ279-289-110245- /O.EXP.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- Granite/Green/Ferris/Rattlesnake Mountains- 742 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING... Winds are decreasing and humidity is rising this evening, as temperatures cool. Thus, the Red Flag Warning will be allowed to expire. $$ WYZ280-300-110245- /O.EXP.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Natrona County/Casper BLM-Casper Mountain- 742 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING... Winds are decreasing and humidity is rising this evening, as temperatures cool. Thus, the Red Flag Warning will be allowed to expire. $$ WYZ281-110245- /O.EXP.KRIW.FW.W.0020.000000T0000Z-210911T0200Z/ Johnson County/Casper BLM- 742 PM MDT Fri Sep 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING... Winds are decreasing and humidity is rising this evening, as temperatures cool. Thus, the Red Flag Warning will be allowed to expire. $$ http://weather.gov/riverton
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 2:53 PM MDT | Special Weather Statement | RIW | 52 min | |
| Sep 10, 3:20 PM MDT | Special Weather Statement | RIW | Sublette | 25 min |
| Sep 10, 4:01 PM MDT | Special Weather Statement | RIW | Sublette | 44 min |
| Sep 10, 4:03 PM MDT | Special Weather Statement | RIW | Hot Springs | 27 min |
| Sep 10, 4:23 PM MDT | Special Weather Statement | RIW | Sweetwater | 22 min |
| Sep 10, 4:41 PM MDT | Special Weather Statement | RIW | Fremont | 49 min |
| Sep 10, 4:43 PM MDT | Special Weather Statement | RIW | Hot Springs | 32 min |
| Sep 10, 5:13 PM MDT | Special Weather Statement | RIW | Hot Springs | 32 min |
| Sep 10, 5:24 PM MDT | Special Weather Statement | RIW | Fremont | 36 min |
| Sep 10, 5:28 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 34 min |
| Sep 10, 5:35 PM MDT | Special Weather Statement | RIW | Fremont | 25 min |
Nearby
Red Flag Warnings in Wyoming, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.