Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 85, NWS Hastings, NE

June 30, 1993Howard County, Sherman County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 30, 1993, 12:48 AM CDT for Howard County, Sherman County, Nebraska. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1993, 12:48 AM CDT (05:48 UTC)
Expired
Jun 30, 1993, 1:30 AM CDT
In force
42 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Howard County, NE, Sherman County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 5.8 hours before the alert went out and 199 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 1993-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3751 joules per kilogram.LCLEL10008507005003002001001 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 1993-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
3751 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1148 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
2.6
Supercell composite
16.2

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
Jun 29, 9:38 PM CDTSevere Thunderstorm WarningGIDHoward, Sherman17 min
Jun 29, 11:29 PM CDTSevere Thunderstorm WarningGIDBuffalo46 min
Jun 30, 12:05 AM CDTSevere Thunderstorm WarningGIDHall40 min
Jun 30, 12:35 AM CDTFlash Flood WarningGIDBuffalo, Hall3 hr
Jun 30, 1:23 AM CDTSevere Thunderstorm WarningGIDWebster37 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1993Every 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.