Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 140, NWS North Platte, NE

August 4, 1992Red Willow County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 4, 1992, 10:30 PM CDT for Red Willow County, Nebraska. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 4, 1992, 10:30 PM CDT (03:30 UTC)
Expired
Aug 4, 1992, 11:00 PM CDT
In force
30 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Red Willow County, NE

What was reported inside it

TimeReportWhereRemark
Aug 4, 10:45 PM CDTHail 2.75Red Willow, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.5 hours before the alert went out and 107 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 1992-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1198 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 1992-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939587897Sfc1 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
1198 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1079 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.8
Supercell composite
3.6

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Aug 4, 6:24 PM CDT, 4 hours 6 minutes before
NE002-042330-

STORM REPORT
NATIONAL WEATHER SERVICE VALENTINE NE
620 PM CDT TUE AUG 4 1992

SELS MKC OMA A VTN

STORM REPORT FROM TUESDAY AFTERNOON AUGUST 4 1992...

TIME
550  PM CDT   A CITIZEN REPOQRTED 3/4 INCH HAIL 35 MILES SOUTH
              OF VALENTINE OVER SOUTHEASTERN CHERRY COUNTY.
              SEVERAL WINDOWS WERE BROKEN BY THE HAIL.

BURNS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 7:13 PM CDTSevere Thunderstorm WarningLBFMcPherson32 min
Aug 4, 7:36 PM CDTSevere Thunderstorm WarningLBFLincoln54 min
Aug 4, 8:32 PM CDTSevere Thunderstorm WarningLBFLincoln43 min
Aug 4, 9:17 PM CDTTornado WarningLBFFrontier28 min
Aug 4, 9:57 PM CDTSevere Thunderstorm WarningLBFRed Willow33 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.