Alert archive / Wyoming / Red Flag Warnings in 2024
Red Flag Warning 9, NWS Riverton, WY
NWS Riverton, WY issued this red flag warning at Aug 6, 2024, 3:15 AM MDT for 11 counties in Wyoming. It took effect at Aug 6, 2024, 12:00 PM MDT. It was in force for 32 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 6, 2024, 3:15 AM MDT (09:15 UTC)
- In effect from
- Aug 6, 2024, 12:00 PM MDT
- Expired
- Aug 7, 2024, 8:00 PM MDT
- In force
- 32 hr
- Issued by
- NWS Riverton, WY
Counties Big Horn County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Uinta County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 21 km from the middle of the area, began a volume at 09:19 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
Grand Junction, CO (KGJT), launched 00:00Z, 9.3 hours before the alert went out and 448 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
- 97 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 3665 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- -66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before this red flag warning went out at Aug 5, 11:08 PM MDT, 4 hours 7 minutes earlier.
Area forecast discussion, Aug 5, 11:08 PM MDT, 4 hours 7 minutes before
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</html>The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 7:46 PM MDT | Special Weather Statement | RIW | 44 min | |
| Aug 6, 2:25 PM MDT | Special Weather Statement | RIW | Hot Springs | 50 min |
| Aug 6, 3:07 PM MDT | Special Weather Statement | RIW | Teton | 38 min |
| Aug 6, 4:30 PM MDT | Special Weather Statement | RIW | 30 min | |
| Aug 6, 4:33 PM MDT | Special Weather Statement | RIW | 27 min | |
| Aug 6, 4:36 PM MDT | Special Weather Statement | RIW | Washakie | 24 min |
| Aug 6, 4:53 PM MDT | Special Weather Statement | RIW | Johnson | 37 min |
| Aug 6, 4:57 PM MDT | Special Weather Statement | RIW | Washakie | 33 min |
| Aug 6, 5:10 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 20 min |
| Aug 6, 5:23 PM MDT | Special Weather Statement | RIW | Johnson | 37 min |
| Aug 6, 5:53 PM MDT | Special Weather Statement | RIW | Fremont | 37 min |
Nearby
Red Flag Warnings in Wyoming, 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.