Alert archive / Nebraska / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 44, NWS North Platte, NE

June 4, 1991Cuming County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 4, 1991, 7:03 PM CDT for Cuming County, Nebraska. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1991, 7:03 PM CDT (00:03 UTC)
Expired
Jun 4, 1991, 8:00 PM CDT
In force
57 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Cuming County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 0.1 hours before the alert went out and 75 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 00:00Z on 1991-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1373 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 00:00Z on 1991-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 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
1373 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.9

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 7:19 PM CDTFlash Flood WarningLBFAntelope, Madison, Pierce, Platte, Stanton, Wayne4 hr
Jun 4, 7:19 PM CDTFlash Flood WarningLBFColfax, Cuming4 hr
Jun 4, 7:19 PM CDTFlash Flood WarningLBFKnox4 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 1991Every severe thunderstorm warning in 1991

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.