Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 88, NWS North Platte, NE

August 14, 1990Frontier County, Hayes County, Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 14, 1990, 6:47 PM CDT for Frontier County, Hayes County, Lincoln County, Nebraska. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Aug 14, 1990, 6:47 PM CDT (23:47 UTC)
Expired
Aug 14, 1990, 7:45 PM CDT
In force
58 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Frontier County, NE, Hayes County, NE, Lincoln 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 12:00Z, 11.8 hours before the alert went out and 49 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 1990-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 174 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 1990-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
174 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
964 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
60 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 KLBF 142347
SVRLBF
NEC063-085-111-150045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
647 PM CDT TUE AUG 14 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF NEBRASKA
      NORTHWEST FRONTIER...NORTHEAST HAYES...SOUTHEAST LINCOLN

AT 643 PM CDT RADAR INDICATED SEVERE THUNDERSTORMS ON THE
BOADERS OF HAYES AND FRONTIER INTO SOUTHEAST LINCOLN COUNTIES
WHICH IS 3 MILES WEST OF MAYWOOD TO 7 MILES NORTH NORTHEAST OF
MOOREFIELD.  LITTLE MOVEMENT WAS INDICATED.

IF YOU ARE IN THE AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A
TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT!!

 RC

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 14, 3:30 PM CDT, 3 hours 17 minutes before
NEZ006-012-142220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
330 PM CDT TUE AUG 14 1990

AT 325 PM CDT...A LINE OF SHOWERS AND THUNDERSTORMS WAS STARTING
TO MOVE INTO WEST CENTRAL NEBRASKA FROM THE NORTHWEST. THE STRONGEST
STORMS WERE JUST NORTHWEST OF ASHBY AND WERE MOVING SOUTH AT 10 MPH.
ASHBY IS ABOUT 40 MILES EAST OF ALLIANCE.

THESE STORMS COULD PRODUCE HEAVY RAIN...STRONG WINDS...SMALL HAIL AND
INTENSE LIGHTNING ASL THEY MOVE SOUTHEAST ACROSS WEST CENTRAL NEBRASKA
DURING THE NEXT SEVEREAL HOURS.

RC
Special weather statement, Aug 14, 5:28 PM CDT, 1 hour 19 minutes before
NEZ006-012-140030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
530 PM CDT TUE AUG 14 1990

AT 525 PM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS CONTINUED OVER
PARTS OF WEST CENTRAL NEBRASKA.  THE STRONGEST STORMS WERE JUST EAST
AND WEST OF MULLEN WHICH IS ABOUT 60 MILES NORTH OF NORTH PLATTE.
THE STORMS WERE MOVING SOUTHEAST AT 10 MPH AND COULD BRING SMALL HAIL
STRONG WINDS AND INTENSE LIGHTNING AS THEY MOVE SOUTHEAST ACROSS
WEST CENTRAL NEBRASKA DURING THE NEXT SEVERAL HOURS.

RC

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.