Alert archive / Wyoming / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 101, NWS Cheyenne, WY

July 14, 1993Laramie County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 14, 1993, 7:32 PM MDT for Laramie County, Wyoming. It was in force for 58 min.

The area

The counties it named.

The facts

Issued: Jul 14, 1993, 7:32 PM MDT (01:32 UTC)
Expired: Jul 14, 1993, 8:30 PM MDT
In force: 58 min
Issued by: NWS Cheyenne, WY
Area: Whole counties

County Laramie County, WY

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 1.5 hours before the alert went out and 202 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: 394 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1965 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jul 14, 6:24 PM MDT, 1 hour 8 minutes before

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Special weather statement, Jul 14, 6:25 PM MDT, 1 hour 7 minutes before

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Special weather statement, Jul 14, 7:06 PM MDT, 26 minutes before

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Special weather statement, Jul 14, 7:20 PM MDT, 12 minutes before

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Special weather statement, Jul 14, 7:20 PM MDT, 12 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 5:13 PM MDT	Severe Thunderstorm Warning	CYS	Sioux	47 min
Jul 14, 6:37 PM MDT	Severe Thunderstorm Warning	CYS	Sheridan	53 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 1993 Every severe thunderstorm warning in 1993

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.