Alert archive / Wyoming / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 22, NWS Riverton, WY

June 16, 2005Lincoln County, Teton County, Wyoming

NWS Riverton, WY issued this severe thunderstorm warning at Jun 16, 2005, 1:51 PM MDT for Lincoln County, Teton County, Wyoming. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 16, 2005, 1:51 PM MDT (19:51 UTC)
Expired: Jun 16, 2005, 2:13 PM MDT
In force: 22 min
Issued by: NWS Riverton, WY
Area: Counties, with a storm outline in the text

Counties Lincoln County, WY, Teton County, WY

The radar

The Pocatello radar (KSFX), 167 km from the middle of the area, began a volume at 19:53 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 16, 1:35 PM MDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 7.9 hours before the alert went out and 181 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2493 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 16, 1:50 PM MDT, 1 minute earlier.

Area forecast discussion, Jun 16, 1:50 PM MDT, 1 minute before

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Hazardous weather outlook, Jun 16, 1:38 PM MDT, 13 minutes before

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In the hours before

Local storm report, Jun 16, 1:37 PM MDT, 14 minutes before

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The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 1:11 PM MDT	Severe Thunderstorm Warning	RIW	Teton	45 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2005 Every severe thunderstorm warning in 2005

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.