Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 3, NWS North Platte, NE

April 25, 1994Wheeler County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Apr 25, 1994, 4:22 PM CDT for Wheeler County, Nebraska. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Apr 25, 1994, 4:22 PM CDT (21:22 UTC)
Expired
Apr 25, 1994, 5:00 PM CDT
In force
38 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Wheeler County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.4 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-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 1994-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 915 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 1994-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 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
915 J/kg
Mixed-layer CIN
-335 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
302 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 252123
SVROFK
NEC183-252200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
422 PM CDT MON APR 25 1994
 
THE NATIONAL WEATHER SERVICE IN NORFOLK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL NEBRASKA
 
   ...WHEELER COUNTY
 
AT 420 PM CDT NORFOLK RADAR SHOWED A SEVERE THUNDERSTORM 60 MILES
SOUTHWEST OF NORFOLK MOVING NORETH AT 50 MPH HEADED FOR WHEELER COUNTY
INCLUDING THE CITY OF BARTLETT.
 
 
 
PEOPLE IN THE PATH OF THIS STORM SHOULD TAKE SHELTER IMMEDIATELY.
PREPARE FOR DAMAGING WINDS...LARGE HAIL...DEADLY LIGHTNING AND VERY
HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE A TORNADO WITH LITTLE OR NO WARNING.
A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 10 PM.
SMITH

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

Special weather statement, Apr 25, 2:35 PM CDT, 1 hour 47 minutes before
NEZ023-025-035>038-057>059-069>071-252030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
235 PM CDT MON APR 25 1994

...TORNADO WATCH UNTIL 10 PM CDT FOR CUSTER COUNTY...

AT 225 PM CDT A LARGE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS
WAS LOCATED OVER MUCH OF WEST CENTRAL AND NORTH CENTRAL NEBRASKA.
THIS AREA WAS GENERALLY SOUTH OF A LINE FROM ARTHUR...OR 52 MILES
WEST NORTHWEST OF NORTH PLATTE...TO SARGENT...WHICH IS 61 MILES
NORTHWEST OF GRAND ISLAND...AND EXTENDED SOUTH ALONG THE KANSAS
BORDER.

LIGHT TO MODERATE RAIN SHOWERS WERE INDICATED BY RADAR ACROSS CENTRAL
CUSTER COUNTY...BUT THE STRONGEST THUNDERSTORMS WERE 45 MILES SOUTHEAST
OF NORTH PLATTE...IN EASTERN FRONTIER AND WESTERN GOSPER COUNTIES.
OTHER THUNDERSTORMS WERE OVER CENTRAL LINCOLN COUNTY AND THE CITY OF
NORTH PLATTE.
>
THE THUNDERSTORMS WERE MOVING TO THE NORTH AROUND 35 MILES AN HOUR.

IF THREATENING WEATHER APPROACHES YOUR AREA SEEK SAFE SHELTER
IMMEDIATELY.

SC
Special weather statement, Apr 25, 3:12 PM CDT, 1 hour 10 minutes before
NEZ023-025-035>038-057>059-069>071-252100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
310 PM CDT MON APR 25 1994

...TORNADO WATCH UNTIL 10 PM CDT FOR CUSTER COUNTY...

AT 300 PM CDT AN AREA OF SHOWERS AND STRONG THUNDERSTORMS WAS
CONCENTRATED IN A BAND ABOUT 55 MILES WIDE.  THIS AREA WAS LOCATED
FROM 50 MILES SOUTHEAST TO 55 MILES SOUTH OF NORTH PLATTE.

ONE THUNDERSTORM WITH VERY HEAVY RAIN...ALONG WITH POSSIBLE
STRONG GUSTY WINDS AND SMALL HAIL...WAS LOCATED JUST EAST
OF BRADY...OR ABOUT 17 MILES EAST SOUTHEAST OF NORTH PLATTE.

ANOTHER BATCH OF VERY STRONG THUNDERSTORMS WAS LOCATED OVER
CENTRAL DAWSON COUNTY...AND WAS POISED TO ENTER SOUTHERN CUSTER
COUNTY BY 320 PM CDT.  PERSONS IN SOUTHERN CUSTER COUNTY...
ESPECIALLY IN THE COMMUNITY OF OCONTO...SHOULD PREPARE NOW FOR
THREATENING WEATHER.

THE THUNDERSTORMS WERE MOVING TO THE NORTH AROUND 35 MILES AN HOUR.

IF THREATENING WEATHER APPROACHES YOUR AREA SEEK SAFE SHELTER
IMMEDIATELY.

SC

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 3:23 PM CDTSevere Thunderstorm WarningLBFCuster37 min
Apr 25, 3:46 PM CDTSevere Thunderstorm WarningLBFCuster44 min
Apr 25, 4:10 PM CDTTornado WarningLBFHayes, Lincoln50 min
Apr 25, 4:49 PM CDTTornado WarningLBFAntelope, Holt26 min
Apr 25, 5:04 PM CDTTornado WarningLBFAntelope26 min
Apr 25, 5:18 PM CDTSevere Thunderstorm WarningLBFMadison30 min
Apr 25, 5:31 PM CDTSevere Thunderstorm WarningLBFPierce, Stanton, Wayne59 min
Apr 25, 6:08 PM CDTSevere Thunderstorm WarningLBFCedar67 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning in 1994

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.