Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 13, NWS Cheyenne, WY

May 26, 1993Morrill County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at May 26, 1993, 2:19 PM MDT for Morrill County, Nebraska. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
May 26, 1993, 2:19 PM MDT (20:19 UTC)
Expired
May 26, 1993, 2:45 PM MDT
In force
26 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Morrill County, NE

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 8.3 hours before the alert went out and 206 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, Denver, CO at 12:00Z on 1993-05-26Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1993-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
1572 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
118 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 
WUUS1 KBFF 262019
SVRCYS
NEC123-262045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
219 PM MDT WED MAY 26 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 245 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE PANHANDLE OF NEBRASKA
      SOUTHEAST MORRILL

AT 218 PM MDT A SEVERE THUNDERSTORM WAS 15 MILES SOUTHEAST OF
BRIDGEPORT OR 45 MILES SOUTHEAST OF SCOTTSBLUFF NEBRASKA MOVING TO
THE EAST AT 20 MPH.

PREPARE FOR LARGE HAIL...DAMAGING WIND...HEAVY RAIN AND DANGEROUS
LIGHTNING BY TAKING COVER.  STAY AWAY FROM AREAS WHERE LOOSE ITEMS
CAN BECOME DANGEROUS FLYING DEBRIS.

GIVE REPORTS OF SEVERE WEATHER OR DAMAGE TO A LAW ENFORCEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

KIRK

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, May 26, 1:36 PM MDT, 43 minutes before
WYZALL-262200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
135 AM MDT WED MAY 26 1993

...STRONG GUSTY WINDS OVER WYOMING THIS AFTERNOON...

GUSTY WINDS HAVE BEEN BLOWING OVER SOUTHERN AND WESTERN WYOMING THIS
AFTERNOON.  DRY THUNDERSTORMS HAVE ALSO DEVELOPED OVER PARTS OF THE
STATE.  THESE STORMS WILL MAY PRODUCE EVEN STRONGER GUSTS OF 50 MILES
AN HOUR OR MORE IN CASES.

PEOPLE IN WYOMING SHOULD BE PREPARED FOR GUSTY WINDS AND AREAS OF
FREQUENT LIGHTNING THIS AFTERNOON.  SEEK SHELTER IF STORMS APPROACH.

WCJIN-
SCOTT

Nearby

Severe Thunderstorm Warnings in Nebraska, 1993Every severe thunderstorm warning in 1993

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.