Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 56, NWS North Platte, NE

June 20, 1990Arthur County, Keith County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 20, 1990, 10:58 PM MDT for Arthur County, Keith County, Nebraska. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Jun 20, 1990, 10:58 PM MDT (04:58 UTC)
Expired
Jun 21, 1990, 12:00 AM MDT
In force
62 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Arthur County, NE, Keith 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.0 hours before the alert went out and 94 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 1990-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 478 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 1990-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
478 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
2205 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 210458
SVRLBF
NEC005-101-210600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1058 PM MDT WED JUN 20 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1200 AM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTH CENTRAL PART OF NEBRASKA
      SOUTHEAST ARTHUR...

   IN THE SOUTHWEST PART OF NEBRASKA
      NORTHEAST KEITH...

AT 1055 PM MDT RADAR DETECTED A SEVERE THUNDERSTORM 10 MILES
SOUTH OF ARTHUR WHICH IS 52 MILES WEST NORTHWEST OF NORTH PLATTE.
THE THUNDERSTORM WAS MOVING SOUTHEAST AT 25 MILES PER HOUR.

INTENSE LIGHTNING IS REPORTED WITH THIS STORM.  IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS.  MOVE INDOOR IF POSSIBLE.  WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
LARGE HAIL GREATER THAN 3/4 INCH IN DIAMETER...DEADLY LIGHTNING
AND VERY HEAVY RAIN THAT CAN FLOOD A LOW LYING AREA QUICKLY.

 ABBAS 0455Z

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, 7:42 PM MDT, 3 hours 16 minutes before
NEZ-012-017-160230-

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

AT 830 PM A FEW SCATTERED THUNDERSTORMS WERE OVER SOUTHWEST NEBRASKA.
A THUNDERSTORM WITH VERY HEAVY RAIN, GUSTY WINDS AND PERHAPS SMALL HAIL
WAS LOCATED 5 MILES SOUTH OF WELLFLEET WHICH IS 22 MILES SOUTH OF
NORTH PLATTE NEBRASKA. ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS LOCATED
5 MILES SOUTHEAST OF STOCKVILLE WHICH IS 38 MILES SOUTH SOUTHEAST OF
NORTH PLATTE.

THE THUNDERSTORMS WERE INCREASING IN INTENSITY AND MOVING TO THE
SOUTHEAST AT 35 MILES PER HOUR.

ABBAS
Special weather statement, Jun 20, 7:43 PM MDT, 3 hours 15 minutes before
NEZ-012-017-210230-

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

AT 830 PM A FEW SCATTERED THUNDERSTORMS WERE OVER SOUTHWEST NEBRASKA.
A THUNDERSTORM WITH VERY HEAVY RAIN, GUSTY WINDS AND PERHAPS SMALL HAIL
WAS LOCATED 5 MILES SOUTH OF WELLFLEET WHICH IS 22 MILES SOUTH OF
NORTH PLATTE NEBRASKA. ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS LOCATED
5 MILES SOUTHEAST OF STOCKVILLE WHICH IS 38 MILES SOUTH SOUTHEAST OF
NORTH PLATTE.

THE THUNDERSTORMS WERE INCREASING IN INTENSITY AND MOVING TO THE
SOUTHEAST AT 35 MILES PER HOUR.

ABBAS
Special weather statement, Jun 20, 8:44 PM MDT, 2 hours 14 minutes before
NEZ012-017-210330-

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

AT 930 PM A AREA OF INTENSE THUNDERSTORMS WAS IN SOUTHWEST NEBRASKA.
THE AREA WAS LOCATED FROM 5 MILES SOUTHWEST OF WELLFLEET WHICH IS 22
MILES SOUTH OF NORTH PLATTE TO 10 MILES EAST OF MOOREFIELD WHICH IS
30 MILES SOUTHEAST OF NORTH PLATTE.

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

THE LEADING EDGE OF THE THUNDERSTORMS HAS MOVED EAST AT 25 MPH WITH
REDEVELOPMENT ON THE WESTERN EDGE WITHIN THE LAST HOUR.

ABBAS
Special weather statement, Jun 20, 9:32 PM MDT, 1 hour 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, 10:17 PM MDT, 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, 10:28 PM MDT, 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, 11:15 PM MDTSevere Thunderstorm WarningLBFLincoln, McPherson60 min
Jun 21, 12:18 AM MDTSevere Thunderstorm WarningLBFLincoln57 min
Jun 21, 2:58 AM MDTSevere Thunderstorm WarningLBFColfax17 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.