Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 147, NWS North Platte, NE

June 21, 1996Wheeler County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 21, 1996, 1:56 AM CDT for Wheeler County, Nebraska. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 21, 1996, 1:56 AM CDT (06:56 UTC)
Expired: Jun 21, 1996, 2:40 AM CDT
In force: 44 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Wheeler County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 6.9 hours before the alert went out and 191 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2363 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1424 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 19.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLBF 210658
SVRLBF
NEC183-210740-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
156 AM CDT FRI JUN 21 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 240 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL NEBRASKA

   ...WHEELER COUNTY
 
AT 155 AM CDT NORTH PLATTE DOPPLER RADAR WAS INDICATING A LINE OF
SEVERE THUNDERSTORMS EXTENDING FROM 12 MILES NORTH OF BARTLETT TO 10
MILES SOUTHWEST OF BARTLETT...OR 25 MILES SOUTH OF ONEILL TO 45
MILES SOUTH OF ONEILL. THE LINE WILL APPROACH BARTLETT BY 215 AM
CDT. THESE STORMS ARE CAPABLE OF PRODUCING LARGE HAIL AND WINDS IN
EXCESS OF 60 MPH.


A TORNADO WATCH IS ALSO IN EFFECT.  SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES.

 
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. IF YOU ARE IN THE PATH OF THIS STORM
YOU SHOULD MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.

JWS

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, Jun 21, 1:24 AM CDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
123 AM CDT FRI JUN 21 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0120 AM    CURTIS                    NE   0.88 INCH HAIL
06/21/96   FRONTIER

RLB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 10:43 PM CDT	Severe Thunderstorm Warning	LBF	Garden	37 min
Jun 21, 12:47 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	48 min
Jun 21, 1:08 AM CDT	Severe Thunderstorm Warning	LBF	Frontier	62 min
Jun 21, 1:46 AM CDT	Tornado Warning	LBF	Frontier	44 min
Jun 21, 2:03 AM CDT	Severe Thunderstorm Warning	LBF	Custer	47 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1996 Every severe thunderstorm warning in 1996

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.