Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 95, NWS North Platte, NE

August 22, 1990Boyd County, Holt County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 22, 1990, 7:42 PM CDT for Boyd County, Holt County, Nebraska. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Aug 22, 1990, 7:42 PM CDT (00:42 UTC)
Expired
Aug 22, 1990, 8:30 PM CDT
In force
48 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Boyd County, NE, 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, 0.7 hours before the alert went out and 229 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 1990-08-23Temperature 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, N. Platte/Lee Bi, NE at 00:00Z on 1990-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
NaN m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-13 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 230042
SVROFK
NEC089-015-230130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
742 PM CDT WED AUG 22 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTH CENTRAL PART OF NEBRASKA
      HOLT...EASTERN BOYD

AT 736 PM CDT NORFOLK RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS FROM 30 MILES NORTH OF O NEILL TO 20 MILES WEST
OF O NEILL.  THE LINE IS MOVING 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.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WINDOWS.

 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHCENTRAL
 NEBRASKA UNTIL 9 PM CDT...AND A FLASH FLOOD WATCH IS IN EFFECT
 FOR NORTHCENTRAL THROUGH TONIGHT.

 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, Aug 22, 4:30 PM CDT, 3 hours 12 minutes before
NEZ006-012-016-222220

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
425 PM CDT TUE AUG 22 1990

...A SEVERE THUNDERSTORM WATCH FOR SOUTHWEST AND WEST CENTRAL NEBRASKA
UNTIL 9 PM CDT.

THUNDERSTORMS WERE DEVELOPING ALONG A LINE FROM 15 NORTHEAST OF THEDFORD
IN THOMAS COUNTY OR 51 MILES NORTH OF NORTH PLATTE TO 25 MILES NORTHWEST
OF NORTH PLATTE TO 35 MILES SOUTH SOUTHWEST OF NORTH PLATTE NEBRASKA. THE
STRONGEST THUNDERSTORMS WAS 10 MILES SOUTH SOUTHWEST TO 3 MILES NORTH
NORTHWEST OF TYRON OR ABOUT 28 MILES NORTH NORTHWEST OF NORTH PLATTE
NEBRASKA. THUNDERSTORMS ARE ALSO FORMING IN EXTREME SOUTHWEST NEBBRASKA
NEAR BENKELMAN OR 41 MILES NORTH OF GOODLAND KANSAS. THESE STORMS WERE
MOVING NORTH NORTHEAST AT 15 MPH.

FOR THE REST OF THIS EVENING THUNDERSTORMS WILL BE MOVING THROUGH THE AREA
WITH TEMPERATURES IN THE MID 80S TO LOW 90S.
BS
Special weather statement, Aug 22, 7:26 PM CDT, 16 minutes before
NEZ006-012-016-230125

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
720 PM CDT TUE AUG 22 1990

...SEVERE THUNDERSTORM WARNING HAS CANCELLED FOR THOMAS COUNTY...

AT 715 PM DT A LINE OF THUNDERSTORMS WERE 35 MILES WIDE FROM 60 MILES
TO 50 SUTHWEST OF NORTH PLATTE NEBRASKA...MOVING SOUTHEAST AT 15 MPH.
THE STRONGEST STORM WAS 28 MILES SOUTHWEST OF NORTH PLATTE. NORTH
PLATTES WEATHER SERVICE REPORTED 0.18 OF INCH OF RAIN IN THE STORM
THAT PASSED OVER THE STATION IN THE PASR HOUR.

A SEVERE THUNDERSTOM WATCH IN EFFECT UNTIL 9 PM CDT.

JER
Special weather statement, Aug 22, 7:27 PM CDT, 15 minutes before
NEZ006-012-016-230125

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE...CORRECTION ON TIME...
NATIONAL WEATHER SERVICE NORTH PLATTE NE
720 PM CDT TUE AUG 22 1990

...SEVERE THUNDERSTORM WARNING HAS CANCELLED FOR THOMAS COUNTY...

AT 715 PM CDT A LINE OF THUNDERSTORMS WERE 35 MILES WIDE FROM 60 MILES
TO 50 SUTHWEST OF NORTH PLATTE NEBRASKA...MOVING SOUTHEAST AT 15 MPH.
THE STRONGEST STORM WAS 28 MILES SOUTHWEST OF NORTH PLATTE. NORTH
PLATTES WEATHER SERVICE REPORTED 0.18 OF INCH OF RAIN IN THE STORM
THAT PASSED OVER THE STATION IN THE PASR HOUR.

A SEVERE THUNDERSTOM WATCH IN EFFECT UNTIL 9 PM CDT.

JER
Special weather statement, Aug 22, 7:35 PM CDT, 7 minutes before
NEZ006-012-016-230125

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE...CORRECTION...
NATIONAL WEATHER SERVICE NORTH PLATTE NE
732 PM CDT WED AUG 22 1990

...SEVERE THUNDERSTORM WARNING HAS CANCELLED FOR THOMAS COUNTY...

AT 715 PM CDT A LINE OF THUNDERSTORMS WERE 35 MILES WIDE FROM 60 MILES
NORTHEAST TO 50 SOUTHWEST OF NORTH PLATTE...MOVING SOUTHEAST AT 15 MPH.
THE STRONGEST STORM WAS 28 MILES SOUTHWEST OF NORTH PLATTE. NORTH
PLATTES WEATHER SER	VICE REPORTED 0.18 OF INCH OF RAIN IN THE STORM
THAT PASSED OVER THE STATION IN THE PASR HOUR.

A SEVERE THUNDERSTOM WATCH IN EFFECT UNTIL 9 PM CDT.

JER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 5:59 PM CDTSevere Thunderstorm WarningLBFAntelope, Pierce61 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.