Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 62, NWS North Platte, NE

July 1, 1994Madison County, Platte County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 1, 1994, 2:49 PM CDT for Madison County, Platte County, Nebraska. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jul 1, 1994, 2:49 PM CDT (19:49 UTC)
Expired
Jul 1, 1994, 3:30 PM CDT
In force
41 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Madison County, NE, Platte County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.8 hours before the alert went out and 110 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-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 1994-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1691 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 1994-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1691 J/kg
Mixed-layer CIN
-200 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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 1, 9:08 AM CDT, 5 hours 41 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 9:55 PM CDTSevere Thunderstorm WarningLBFCedar, Knox55 min
Jul 1, 3:29 PM CDTSevere Thunderstorm WarningLBFColfax, Madison, Platte, Stanton46 min
Jul 1, 3:29 PM CDTSevere Thunderstorm WarningLBFCuming46 min
Jul 1, 3:48 PM CDTSevere Thunderstorm WarningLBFCherry27 min
Jul 1, 4:38 PM CDTTornado WarningLBFHooker52 min
Jul 1, 4:43 PM CDTTornado WarningLBFThomas32 min
Jul 1, 4:52 PM CDTTornado WarningLBFLogan, McPherson53 min
Jul 1, 5:11 PM CDTSevere Thunderstorm WarningLBFAntelope, Garfield, Holt, Knox, Wheeler49 min
Jul 1, 5:37 PM CDTSevere Thunderstorm WarningLBFCuster68 min
Jul 1, 6:30 PM CDTSevere Thunderstorm WarningLBFMadison, Pierce, Stanton, Wayne60 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1994Every 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.