Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 45, NWS North Platte, NE

June 14, 1990Antelope County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 14, 1990, 11:17 PM CDT for Antelope County, Nebraska. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jun 14, 1990, 11:17 PM CDT (04:17 UTC)
Expired
Jun 14, 1990, 11:45 PM CDT
In force
28 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Antelope County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.3 hours before the alert went out and 170 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 00:00Z on 1990-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1990-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3606 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
209 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 150417
SVROFK
NEC003-150515-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
1117 PM CDT THU JUN 14 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1215 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF NEBRASKA
      ANTELOPE

AT 1115 PM CDT NORFOLK RADAR INDICATED A SEVERE THUNDERSTORM 40
MILES NORTHWEST OF NORFOLK NEAR CLEARWATER.  THIS STORM WAS MOVING
TO THE EAST AT 20 MPH AND CLEARWATER...NELIGH AND OAKDALE SHOULD
EXPECT LARGE HAIL AND EXTREMELY HEAVY RAIN.

PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INSIDE A STRONG
BUILDING.  FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.  HEAVY RAINS QUICKLY FLOOD
ROADWAYS...DO NOT DRIVE INTO WATER COVERED ROADWAYS.

 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF NORTHEAST
 NEBRASKA UNTIL 3 AM CDT.  A FLASH FLOOD WATCH COVE;RS NORTHEAST
 NEBRASKA THROUGH THE NIGHT.

 BOWMAN

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, Jun 14, 11:01 PM CDT, 16 minutes before
NEZ006-007-150500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1100 PM CDT THU JUN 14 1990

AT 1055 PM CDT THUNDERSTORMS HAD DEVELOPED OVER NORTHERN KEITH COUNTY
AND EXTREME EASTERN LOGAN COUNTY INTO EXTREME WESTERN CUSTER COUNTY.
THE THUNDERSTORM IN KEITH COUNTY IS 5 MILES NORTHWEST OF KEYSTONE OR
ABOUT 45 MILES NORTHWEST OF NORTH PLATTE NE. THE THUNDERSTORMS IN LOGAN
AND CUSTER COUNTIES WERE 10 TO 15 MILES EAST OF STAPLETON- NEBRASKA OR
OR 25 TO 30 MILES NORTHEAST OF NORTH PLATTE NEBRASKA.

THE THUNDERSTORMS WERE MOVING EAST AT 25 MPH.

THESE THUNDERSTORMS MAY CONTAIN BRIEF HEAVY RAIN...SMALL HAIL...
AND GUSTY WINDS.

SMALLFIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 7:29 PM CDTSevere Thunderstorm WarningLBFAntelope61 min
Jun 14, 8:12 PM CDTSevere Thunderstorm WarningLBFAntelope, Pierce48 min
Jun 14, 8:12 PM CDTSevere Thunderstorm WarningLBFCedar48 min
Jun 14, 8:57 PM CDTSevere Thunderstorm WarningLBFMadison, Wayne48 min
Jun 14, 9:44 PM CDTSevere Thunderstorm WarningLBFMadison, Stanton46 min
Jun 14, 10:24 PM CDTSevere Thunderstorm WarningLBFColfax, Madison, Platte, Stanton51 min
Jun 14, 10:48 PM CDTFlash Flood WarningLBFColfax, Platte, Stanton3 hr
Jun 14, 10:48 PM CDTFlash Flood WarningLBFMadison3 hr
Jun 15, 1:54 AM CDTFlash Flood WarningLBFColfax, Madison, Platte, Stanton3 hr
Jun 15, 5:08 AM CDTFlash Flood WarningLBFColfax, Platte3 hr
Jun 15, 5:08 AM CDTFlash Flood WarningLBFAntelope3 hr
Jun 15, 6:02 PM CDTSevere Thunderstorm WarningLBFChase, Dundy58 min
Jun 15, 6:14 PM CDTSevere Thunderstorm WarningLBFKeith61 min
Jun 15, 6:26 PM CDTTornado WarningLBFPerkins34 min
Jun 15, 6:37 PM CDTTornado WarningLBFHayes38 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990

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.