Alert archive / Nebraska / Tornado Warnings in 1991

Tornado Warning 20, NWS Hastings, NE

June 1, 1991Buffalo County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 1, 1991, 10:50 AM CDT for Buffalo County, Nebraska. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1991, 10:50 AM CDT (15:50 UTC)
Expired
Jun 1, 1991, 11:30 AM CDT
In force
40 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Buffalo County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 3.8 hours before the alert went out and 132 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 12:00Z on 1991-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2738 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 12:00Z on 1991-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
2738 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
641 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
1.3
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 Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 3:46 AM CDTSevere Thunderstorm WarningGIDHall, Howard59 min
Jun 1, 8:13 AM CDTSevere Thunderstorm WarningGIDHoward, Sherman62 min
Jun 1, 10:20 AM CDTSevere Thunderstorm WarningGIDBuffalo, Dawson55 min
Jun 1, 11:49 AM CDTSevere Thunderstorm WarningGIDHarlan, Phelps56 min
Jun 1, 1:00 PM CDTFlash Flood WarningGIDHall3 hr
Jun 1, 2:27 PM CDTSevere Thunderstorm WarningGIDHamilton, Polk, York63 min
Jun 1, 3:06 PM CDTFlash Flood WarningGIDHamilton, York3 hr

Nearby

Tornado Warnings in Nebraska, 1991Every tornado warning in 1991Tornadoes 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.