Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 61, NWS North Platte, NE

June 30, 1994Cedar County, Knox County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 30, 1994, 9:55 PM CDT for Cedar County, Knox County, Nebraska. It was in force for 55 min.

The area

The counties it named.

The facts

Issued: Jun 30, 1994, 9:55 PM CDT (02:55 UTC)
Expired: Jun 30, 1994, 10:50 PM CDT
In force: 55 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Cedar County, NE, Knox County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.9 hours before the alert went out and 175 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: 2247 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 1586 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.6

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, Jun 30, 4:51 PM CDT, 5 hours 4 minutes before

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Special weather statement, Jun 30, 5:28 PM CDT, 4 hours 27 minutes before

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      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 2:49 PM CDT	Severe Thunderstorm Warning	LBF	Madison, Platte	41 min
Jul 1, 3:29 PM CDT	Severe Thunderstorm Warning	LBF	Colfax, Madison, Platte, Stanton	46 min
Jul 1, 3:29 PM CDT	Severe Thunderstorm Warning	LBF	Cuming	46 min
Jul 1, 3:48 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	27 min
Jul 1, 4:38 PM CDT	Tornado Warning	LBF	Hooker	52 min
Jul 1, 4:43 PM CDT	Tornado Warning	LBF	Thomas	32 min
Jul 1, 4:52 PM CDT	Tornado Warning	LBF	Logan, McPherson	53 min
Jul 1, 5:11 PM CDT	Severe Thunderstorm Warning	LBF	Antelope, Garfield, Holt, Knox, Wheeler	49 min
Jul 1, 5:37 PM CDT	Severe Thunderstorm Warning	LBF	Custer	68 min
Jul 1, 6:30 PM CDT	Severe Thunderstorm Warning	LBF	Madison, Pierce, Stanton, Wayne	60 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1994 Every severe thunderstorm warning in 1994

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.