Alert archive / North Dakota / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 4, NWS Grand Forks, ND

June 21, 1995Cass County, Ransom County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 21, 1995, 5:31 PM CDT for Cass County, Ransom County, North Dakota. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1995, 5:31 PM CDT (22:31 UTC)
Expired
Jun 21, 1995, 6:30 PM CDT
In force
59 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

Counties Cass County, ND, Ransom County, ND

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.5 hours before the alert went out and 213 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, Aberdeen, SD at 12:00Z on 1995-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1383 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, Aberdeen, SD at 12:00Z on 1995-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
1383 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
1585 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
0 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 KFAR 212231 RRA
SVRFAR
NDC017-073-212330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE FARGO ND
531 PM CDT WED JUN 21 1995

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF NORTH DAKOTA
      SOUTHERN CASS...

   IN THE SOUTHEAST PART OF NORTH DAKOTA
      NORTHERN RANSOM...

AT 525 PM CDT...FARGO WEATHER RADAR INDICATED A SEVERE THUNDERSTORM
OVER NORTHWESTERN RANSOM COUNTY.  THIS THUNDERSTORM IS MOVING TO
THE NORTHEAST AT 30 MPH AND SHOULD AFFECT THE CITIES OF ENDERLIN...
ALICE...AND EMBDEN BY 630 PM CDT.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.

JEURISSEN

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 8:09 PM CDTSevere Thunderstorm WarningFGFSteele66 min
Jun 20, 8:34 PM CDTSevere Thunderstorm WarningFGFGrand Forks56 min
Jun 21, 6:11 PM CDTTornado WarningFGFCass64 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 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.