Alert archive / Nebraska / Tornado Warnings in 1993

Tornado Warning 23, NWS Hastings, NE

June 12, 1993Howard County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 12, 1993, 7:16 PM CDT for Howard County, Nebraska. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1993, 7:16 PM CDT (00:16 UTC)
Expired
Jun 12, 1993, 8:00 PM CDT
In force
44 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Howard County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.3 hours before the alert went out and 175 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, N. Platte/Lee Bi, NE at 00:00Z on 1993-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3592 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, N. Platte/Lee Bi, NE at 00:00Z on 1993-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
3592 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1148 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
1.3
Supercell composite
10.8

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:16 PM CDTSevere Thunderstorm WarningGIDMerrick44 min
Jun 12, 7:58 PM CDTTornado WarningGIDHall, Howard, Merrick47 min
Jun 12, 8:38 PM CDTSevere Thunderstorm WarningGIDHamilton37 min
Jun 12, 8:55 PM CDTSevere Thunderstorm WarningGIDHoward50 min
Jun 12, 9:00 PM CDTSevere Thunderstorm WarningGIDMerrick45 min
Jun 12, 9:15 PM CDTSevere Thunderstorm WarningGIDHamilton35 min
Jun 12, 11:31 PM CDTSevere Thunderstorm WarningGIDDawson44 min
Jun 13, 12:04 AM CDTSevere Thunderstorm WarningGIDSherman, Valley41 min
Jun 13, 12:45 AM CDTSevere Thunderstorm WarningGIDBuffalo, Greeley, Howard, Sherman, Valley60 min
Jun 13, 12:45 AM CDTSevere Thunderstorm WarningGIDHall60 min
Jun 13, 1:21 AM CDTSevere Thunderstorm WarningGIDBuffalo54 min
Jun 13, 1:52 AM CDTSevere Thunderstorm WarningGIDPolk53 min
Jun 13, 2:21 AM CDTSevere Thunderstorm WarningGIDHall39 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.