Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 3, NWS North Platte, NE

April 23, 1990Holt County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Apr 23, 1990, 8:00 PM CDT for Holt County, Nebraska. It was in force for 45 min.

The area

The counties it named.

The facts

Issued: Apr 23, 1990, 8:00 PM CDT (01:00 UTC)
Expired: Apr 23, 1990, 8:45 PM CDT
In force: 45 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Holt 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, 1.0 hours before the alert went out and 211 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3293 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 91 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 240100
SVROFK
NEC089-240145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
800 PM CDT MON APR 23 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTH CENTRAL PART OF NEBRASKA
      EASTERN HOLT

AT 750 PM CDT GOLFBALL SIZE HAIL WAS REPORTED IN THE CITY OF
ONEILL.  AN AREA OF SEVER THUNDERSTORMS WAS OVER HOLT COUNTY
FROM 10 MILES SOUTH OF ONEILL TO 5 MILES EAST OF ONEILL MOVING
NORTHEAST AT 40 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.

 MILLER

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 23, 5:15 PM CDT, 2 hours 45 minutes before

NEZ006-012-016-017232315

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
5150 PM CDT MON APR 23 1990

...THUNDERSTORMS ARE DEVELOPING RAPIDLY OVER SOUTHWEST NEBRASKA...

AT 510 PM CDT THUNDERSTORMS ARE DEVELOPING RAPIDLY OVER SOUTHWEST
NEBRASKA.  THE STRONGEST THUNDERSTORM WAS JUST NORTH OF MCCOOK OR
ABOUT 50 MILES SOUTH OF NORTH PLATTE.  THIS THUNDERSTORM IS
INTENSIFYING AND MAY PRODUCE PEA TO MARBLE SIZE HAIL ALONG WITH
STRONG WINDS AND BRIEF HEAVY RAIN.

ANOTHER AREA OF SHOWERS AND THUNDERSTORMS COVERED A LARGE PART OF
PERKINS AND CHASE COUNTY OF SOUTHWEST NEBRASKA.  THIS AREA IS QUITE A
BIT WEAKER AND IS EXPECTED TO PRODUCE ONLY LIGHT TO MODERATE RAIN
SHOWERS.

THE SHOWERS AND THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT 35 MILES
AN HOUR.

MONSON

Special weather statement, Apr 23, 6:30 PM CDT, 1 hour 30 minutes before

NEZ006-012-016-017-240030

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
630 PM CDT MON APR 23 1990

...THUNDERSTORMS ARE CONTINUING TO MOVE RAPIDLY NORTHEAST ACROSS
SOUTHWEST NEBRASKA...

AT 630 PM CDT AN AREA OF THUNDERSTORMS WAS MOVING NORTHEAST ACROSS
LINCOLN COUNTY.  THE STRONGEST THUNDERSTORM WAS LOCATED ABOUT 5 MILES
NORTHWEST OF NORTH PLATTE.  THESE THUNDERSTORMS MAY PRODUCE SOME PEA
TO MARBLE SIZE HAIL ALONG WITH STRONG WINDS AND BRIEF VERY HEAVY
RAIN.

NO SEVERE WEATHER IS EXPECTED WITH THESE THUNDERSTORMS BUT AS THEY
MOVE NORTHEAST INTO A MORE UNSTABLE AIRMASS THEY MAY INTENSIFY.

THE AREA OF THUNDERSTORMS HAS BEEN MOVING TO THE NORTHEAST AT 40
MILES AN HOgUR.

MONSON

Special weather statement, Apr 23, 7:50 PM CDT, 10 minutes before

NEZ007-240130

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
750 PM CDT MON APR 23 1990

AT 745 PM CDT A STRONG THUNDERSTORM WAS LOCATED OVER CUSTER COUNTY OF
NORTH CENTRAL NEBRASKA ABOUT 5 MILES EAST OF ARNOLD OR ABOUT 35 MILES
NORTHEAST OF NORTH PLATTE.  THIS THUNDERSTORM HAS INTENSIFYED OVER
THE PAST HOUR AND MAY PRODUCE SOME SMALL HAIL ALONG WITH WINDS OF 35
TO 45 MILES AN HOUR.

THE THUNDERSTORMS OVER SOUTHWEST NEBRASKA HAVE MOVED NORTHEAST
LEAVING SOUTHWEST NEBRASKA WITH MOSTLY CLOUDY SKIES AND STILL DRY.

THE THUNDERSTORM OVER CUSTER COUNTY HAS BEEN MOVING TO THE NORTHEAST
AT 40 MILES AN HOUR.

MONSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 9:10 PM CDT	Severe Thunderstorm Warning	LBF	Holt	35 min
Apr 23, 9:49 PM CDT	Severe Thunderstorm Warning	LBF	Knox	41 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1990 Every 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.