Alert archive / Nebraska / Tornado Warnings in 1993

Tornado Warning 22, NWS Hastings, NE

June 12, 1993Howard County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 12, 1993, 6:47 PM CDT for Howard County, Nebraska. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1993, 6:47 PM CDT (23:47 UTC)
Expired
Jun 12, 1993, 7:15 PM CDT
In force
28 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Howard County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.8 hours before the alert went out and 180 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 1993-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 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 1993-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
116 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
949 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 12, 1:21 AM CDTSevere Thunderstorm WarningGIDMerrick, Nance54 min
Jun 12, 1:21 AM CDTSevere Thunderstorm WarningGIDHall54 min
Jun 12, 2:21 AM CDTSevere Thunderstorm WarningGIDHamilton, Merrick39 min
Jun 12, 11:06 AM CDTSevere Thunderstorm WarningGIDMerrick24 min
Jun 12, 11:06 AM CDTSevere Thunderstorm WarningGIDHoward49 min
Jun 12, 11:32 AM CDTSevere Thunderstorm WarningGIDHoward43 min
Jun 12, 12:21 PM CDTSevere Thunderstorm WarningGIDNance39 min
Jun 12, 12:48 PM CDTSevere Thunderstorm WarningGIDNance12 min
Jun 12, 5:27 PM CDTSevere Thunderstorm WarningGIDMerrick, Nance48 min
Jun 12, 6:25 PM CDTSevere Thunderstorm WarningGIDHoward, Merrick35 min
Jun 12, 6:47 PM CDTSevere Thunderstorm WarningGIDMerrick28 min

Nearby

Tornado Warnings in Nebraska, 1993Every tornado warning in 1993Tornadoes 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.