Alert archive / Nebraska / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 48, NWS North Platte, NE

July 20, 1995Keith County, Perkins County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 20, 1995, 4:40 PM MDT for Keith County, Perkins County, Nebraska. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jul 20, 1995, 4:40 PM MDT (22:40 UTC)
Expired
Jul 20, 1995, 5:15 PM MDT
In force
35 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Keith County, NE, Perkins County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.7 hours before the alert went out and 89 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 1995-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 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 1995-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
24 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
931 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
4 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 202242 RRA
SVRLBF
NEC101-135-202315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
540 PM CDT (440 PM MDT) THU JUL 20 1995
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT (515 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST NEBRASKA
 
   ...SOUTHERN KEITH COUNTY...NORTHERN PERKINS COUNTY
 
NATIONAL WEATHER SERVICE RADAR AT 435 PM MDT INDICATED A SEVERE
THUNDERSTORM 8 MILES SOUTH OF THE TOWN OF OGALLALA ALONG THE KEITH AND
PERKINS COUNTY BORDER.  THE STORM WAS MOVING EAST-SOUTHEAST AT 20 MPH...
AND MAY MOVE THROUGH OR NEAR THE TOWN OF PAXTON AND ELSIE BY 515 MDT.
THE STORM MAY BE ACCOMPANIED BY DIME TO NICKEL SIZED HAIL AND WIND
GUSTS TO 60 MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLEDSS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
WERT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 5:10 PM MDTSevere Thunderstorm WarningLBFPerkins35 min
Jul 20, 5:13 PM MDTSevere Thunderstorm WarningLBFLincoln32 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1995Every severe thunderstorm warning in 1995

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.