Alert archive / Wyoming / Red Flag Warnings in 2008
Red Flag Warning 10, NWS Riverton, WY
NWS Riverton, WY issued this red flag warning at Aug 25, 2008, 3:47 PM MDT for 9 counties in Wyoming. It took effect at Aug 26, 2008, 10:00 AM MDT. It was in force for 11 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 25, 2008, 3:47 PM MDT (21:47 UTC)
- In effect from
- Aug 26, 2008, 10:00 AM MDT
- Expired
- Aug 26, 2008, 9:00 PM MDT
- In force
- 11 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Teton County, WY, Uinta County, WY
The radar
The Riverton/Lander radar (KRIW), 72 km from the middle of the area, began a volume at 21:49 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 12:00Z, 9.8 hours before the alert went out and 426 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
- 22 J/kg
- Mixed-layer CIN
- -356 J/kg
- Mixed-layer LCL
- 2626 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 40 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 25, 2:42 AM MDT, 13 hours 5 minutes earlier.
Area forecast discussion, Aug 25, 2:42 AM MDT, 13 hours 5 minutes before
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</html>Hazardous weather outlook, Aug 25, 5:01 AM MDT, 10 hours 46 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 25, 2:31 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Sweetwater and 2 more | 39 hr |
Nearby
Red Flag Warnings in Wyoming, 2008Every red flag warning in 2008
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.