Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 89, NWS North Platte, NE

August 16, 1990Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 16, 1990, 9:15 PM CDT for Lincoln County, Nebraska. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Aug 16, 1990, 9:15 PM CDT (02:15 UTC)
Expired
Aug 16, 1990, 9:55 PM CDT
In force
40 min
Issued by
NWS North Platte, NE
Area
Whole counties

County 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 00:00Z, 2.3 hours before the alert went out and 15 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 1990-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1562 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 1990-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
1562 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1691 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 170215
SVRLBF
NEC111-170300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
915 PM CDT THU AUG 16 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHWEST PART OF NEBRASKA
      EASTERN LINCOLN

AT 910 PM CDT RADAR DETECTED A SEVERE THUNDERSTORM 10 MILES
SOUTHWEST OF BRADY OR 15 MILES SOUTH SOUTHEAST OF NORTH PLATTE.
THE THUNDERSTORM WAS MOVING NORTHEAST AT 20 MPH.

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 vLOW LYING AREA QUICKLY.

 PERSONS IN THESE AREAS SHOULD TAKE SHELTER IMMEDIATELY. THE CITY
 OF NORTH PLATTE IS NOT INCLUDED IN THE WARNING.

 ABBAS 0215Z

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 16, 8:30 PM CDT, 45 minutes before
NEZ006-007-012-016-017-170215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
825 PM CDT THU AUG 16 1990

AT 820PM CDT...A LONE THUNDERSTORM HAD RAPIDLY DEVELOPED OVER FRONTIER
COUNTY OF SOUTHWEST NEBRASKA. THE STORM WAS LOCATED NEAR MAYWOOD AND
CURTIS OR ABOUT 30 MILES SOUTH SOUTHEAST OF NORTH PLATTE. THE
THUNDERSTORM WAS PRODUCING VERY HEAVY RAIN AND POSSIBLY GUSTY WINDS AND
SMALL HAIL. IT WAS MOVING EAST AT 15 MILES PER HOUR.E

PERSONS IN ITS PATH SHOULD BE ALERT FOR POSSIBLE SEVERE WEATHER.

ABBAS

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.