Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 59, NWS North Platte, NE

June 21, 1990Colfax County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 21, 1990, 3:58 AM CDT for Colfax County, Nebraska. It was in force for 17 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1990, 3:58 AM CDT (08:58 UTC)
Expired
Jun 21, 1990, 4:15 AM CDT
In force
17 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Colfax 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, 9.0 hours before the alert went out and 66 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 1990-06-21Temperature 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 1990-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3536 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
57 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 210858
SVROFK
NEC037-210915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
358 AM CDT THU JUN 21 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 415 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF NEBRASKA
      EXTREME SOUTHERN COLFAX

AT 350 AM CDT RADAR SHOWED A SEVERE THUNDERSTORM 10 MILES EAST
OF COLUMBUS MOVING EAST TOWARD SCHUYLER.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING
AREA.  SEVERE THUNDERSTORMS CAN ALSO PRODUCE A TORNADO WITH LITTLE
OR NO WARNING.

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.

 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, Jun 20, 10:32 PM CDT, 5 hours 26 minutes before
NEZ017-210430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1030 PM CDT WED JUN 20 1990

AT 1025 PM CDT A INTENSE THUNDERSTORM WAS LOCATED IN FRONTIER COUNTY
OF SOUTHWEST NEBRASKA. THE STRONGEST PORTION OF THE STORM WAS LOCATED
5 MILES WEST OF STOCKVILLE WHICH IS 38 MILES SOUTH SOUTHEAST OF NORTH
PLATTE NEBRASKA.

THE THUNDERSTORMS WILL LIKELY PRODUCE VERY HEAVY RAIN, GUSTY WINDS,
AND HAIL.

THE THUNDERSTORM WAS MOVING EASQT SOUTHEAST AT 25 MPH.

PEOPLE IN THE PATH OF THE STORM SHOULD BE  ON THE LOOKOUT FOR THREATENING
WEATHER AND TAKE SHELTER IF NEEDED.

ABBAS
Special weather statement, Jun 20, 11:17 PM CDT, 4 hours 41 minutes before
NEZ006-017-210515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1010 PM MDT WED JUN 20 1990

AT 1005 PM MDT A THUNDERSTORM THAT IS LIKELY PRODUCING VERY HEAVY RAIN
GUSTY WINDS AND HAIL WAS MOVING INTO SOUTHWEST GARDEN COUNTY AND
NORTHWEST ARTHUR COUNTY OF NORTH CENTRAL NEBRASK. THE THUNDERSTORM WAS
LOCATED 20 MILES NORTHWEST OF ARTHUR WHICH IS 52 MILES WEST NORTHWEST
OF NORTH PLATTE.

ANOTHER THUNDERSTORM WAS LOCATED OVER SOUTHEASTERN FRONTIER COUNTY OF
SOUTHWEST NEBRASKA 15 MILES SOUTHEAST OF STOCKVILLE WHICH IS 38 MILES
SOUTH SOUTHEAST OF NORTH PLATTE NEBRASKA. THE THUNDERSTORM WILL LIKELY
PRODUCE HEAVY RAIN.

THE THUNDERSTORM WERE MOVING SOUTHEAST AT 25 MPH.

ABBAS
Special weather statement, Jun 20, 11:28 PM CDT, 4 hours 30 minutes before
NEZ006-017-210515-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1010 PM MDT WED JUN 20 1990

AT 1005 PM MDT A THUNDERSTORM THAT IS LIKELY PRODUCING VERY HEAVY RAIN
GUSTY WINDS AND HAIL WAS MOVING INTO SOUTHWEST GRANT COUNTY AND
NORTHWEST ARTHUR COUNTY OF NORTH CENTRAL NEBRASK. THE THUNDERSTORM WAS
LOCATED 20 MILES NORTHWEST OF ARTHUR WHICH IS 52 MILES WEST NORTHWEST
OF NORTH PLATTE.

ANOTHER THUNDERSTORM WAS LOCATED OVER SOUTHEASTERN FRONTIER COUNTY OF
SOUTHWEST NEBRASKA 15 MILES SOUTHEAST OF STOCKVILLE WHICH IS 38 MILES
SOUTH SOUTHEAST OF NORTH PLATTE NEBRASKA. THE THUNDERSTORM WILL LIKELY
PRODUCE HEAVY RAIN.

THE THUNDERSTORM WERE MOVING SOUTHEAST AT 25 MPH.

ABBAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 11:58 PM CDTSevere Thunderstorm WarningLBFArthur, Keith62 min
Jun 21, 12:15 AM CDTSevere Thunderstorm WarningLBFLincoln, McPherson60 min
Jun 21, 1:18 AM CDTSevere Thunderstorm WarningLBFLincoln57 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.