Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 63, NWS Hastings, NE

July 21, 1992Polk County, York County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 21, 1992, 11:51 PM CDT for Polk County, York County, Nebraska. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jul 21, 1992, 11:51 PM CDT (04:51 UTC)
Expired
Jul 22, 1992, 12:20 AM CDT
In force
29 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Polk County, NE, York County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 4.9 hours before the alert went out and 106 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 1992-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1992-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1209 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
329 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 21, 10:58 PM CDTSevere Thunderstorm WarningGIDHall47 min
Jul 21, 10:58 PM CDTSevere Thunderstorm WarningGIDHoward30 min
Jul 21, 11:19 PM CDTSevere Thunderstorm WarningGIDHamilton, Merrick41 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1992Every severe thunderstorm warning in 1992

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.