Alert archive / Wyoming / Red Flag Warnings in 2014
Red Flag Warning 6, NWS Riverton, WY
NWS Riverton, WY issued this red flag warning at Aug 16, 2014, 1:43 AM MDT for Sweetwater County, Wyoming. It took effect at Aug 16, 2014, 12:00 PM MDT. It was in force for 8 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 16, 2014, 1:43 AM MDT (07:43 UTC)
- In effect from
- Aug 16, 2014, 12:00 PM MDT
- Expired
- Aug 16, 2014, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Riverton, WY
County Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 160 km from the middle of the area, began a volume at 07:45 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, 7.7 hours before the alert went out and 283 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
- 237 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 2557 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -12 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 15, 11:01 PM MDT, 2 hours 42 minutes earlier.
Area forecast discussion, Aug 15, 11:01 PM MDT, 2 hours 42 minutes before
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Special weather statement, Aug 15, 7:55 PM MDT, 5 hours 48 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 15, 6:13 PM MDT | Special Weather Statement | RIW | Teton | 32 min |
| Aug 15, 6:23 PM MDT | Special Weather Statement | RIW | Sheridan | 37 min |
| Aug 15, 6:47 PM MDT | Special Weather Statement | RIW | Johnson | 28 min |
| Aug 15, 7:55 PM MDT | Special Weather Statement | RIW | Fremont | 50 min |
Nearby
Red Flag Warnings in Wyoming, 2014Every red flag warning in 2014
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.