Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 60, NWS North Platte, NE

June 25, 1990Blaine County, Brown County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 25, 1990, 6:36 PM CDT for Blaine County, Brown County, Nebraska. It was in force for 54 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 25, 1990, 6:36 PM CDT (23:36 UTC)
Expired
Jun 25, 1990, 7:30 PM CDT
In force
54 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Blaine County, NE, Brown County, NE

The radar

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

What was reported inside it

TimeReportWhereRemark
Jun 25, 6:52 PM CDTHail 1.75Brown, NE
Jun 25, 7:15 PM CDTHail 1.75Blaine, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.6 hours before the alert went out and 128 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 12:00Z on 1990-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 766 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 12:00Z on 1990-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
766 J/kg
Mixed-layer CIN
-360 J/kg
Mixed-layer LCL
2133 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
79 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 252336
SVROFK
NEC009-017-260030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
636 PM CDT MON JUN 25 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTH CENTRAL PART OF NEBRASKA
      BLAINE...SOUTHERN BROWN

AT 631 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 30
MILES SOUTH OF AINSWORTH...OR 5 MILES NORTHWEST OF BREWSTER.
THE STORM IS MOVING TO THE EAST AT 20 MPH.

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.

IF YOU ARE OUTSIDE...TAKE SHELTER IN A STRONG BUILDING.  REMAIN
INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.  TAKE SHELTER
IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

 KLEFFMAN

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 25, 3:21 PM CDT, 3 hours 15 minutes before
NEZ006-012-016-252130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
320 PM CDT MON JUN 25 1990

AT 315 PM CDT...A LINE OF THUNDERSTORMS HAS RAPIDLY DEVELOPED OVER
SOUTHWEST NEBRASKA IN THE PAST HOUR. THE LINE WAS 10 MILES WIDE FROM
50 MILES NORTHWEST OF NORTH PLATTE TO 60 MILES SOUTHWEST OF NORTH PLATTE
NEBRASKA. THE STRONGEST STORM WAS 5 MILES NORTH OF SUTHERLAND NEBRAKSA
...WHICH IS 20 MILES WEST OF NORTH PLATTE. THE LINE OF THUNDERSTORMS WAS
MOVING EAST AT 25 MPH.

THESE STORMS MAY PRODUCE SMALL HAIL...DANGEROUS LIGHTNING...AND STRONG
SURFACE WINDS.

JER
Special weather statement, Jun 25, 5:16 PM CDT, 1 hour 20 minutes before
NEZ006-012-016-017-252315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
515 PM CDT MON JUN 25 1990

AT 510 PM CDT...AN AREA OF THUNDERSTORMS WERE FROM 60 MILES NORTHEAST
OF NORTH PLATTE TO 65 MILES SOUTHWEST OF NORTH PLATTE NEBRASKA. THE
STORMS WERE MOVING EAST AT 25 MPH...THE AREA STORMS WAS 20 MILES WIDE.
THE STORMS HAVE DECREASED IN THE PAST HOUR.

PAST HISTORY OF THESE STROMS WERE...AT 243 PM MDT...PAXTSON NEBRASKA
WHICHz IS 31 MILES WEST OF NORTH PLATTE...REPORTED MARABLE SIZE HAIL.
AT 358 PM CDT...HERSHEY AND SUTHERLAND NEBRASKA...WHICH IS 15 TO 20
MILES WEST OF NORTH PLATTE...REPORTED LIGHT TO MODERATE THUNDERSHOWERS.

JER
Special weather statement, Jun 25, 5:23 PM CDT, 1 hour 13 minutes before
NEZ006-012-016-017-252315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
515 PM CDT MON JUN 25 1990

AT 510 PM CDT...AN AREA OF THUNDERSTORMS WERE FROM 60 MILES NORTHEAST
OF NORTH PLATTE TO 65 MILES SOUTHWEST OF NORTH PLATTE NEBRASKA. THE
STORMS WERE MOVING EAST AT 25 MPH...THE AREA STORMS WAS 20 MILES WIDE.
THE STORMS HAVE DECREASED IN THE PAST HOUR.

PAST HISTORY OF THESE STROMS WERE...AT 243 PM MDT...PAXTON NEBRASKA
WHICH IS 31 MILES WEST OF NORTH PLATTE...REPORTED MARABLE SIZE HAIL.
AT 358 PM CDT...HERSHEY AND SUTHERLAND NEBRASKA...WHICH IS 15 TO 20
MILES WEST OF NORTH PLATTE...REPORTED LIGHT TO MODERATE THUNDERSHOWERS.

JER

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.