Alert archive / North Dakota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 2, NWS Grand Forks, ND

May 22, 1994Traill County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 22, 1994, 8:00 PM CDT for Traill County, North Dakota. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
May 22, 1994, 8:00 PM CDT (01:00 UTC)
Expired
May 22, 1994, 9:00 PM CDT
In force
60 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Traill County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.0 hours before the alert went out and 278 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, Bismarck Municip, ND at 00:00Z on 1994-05-23Temperature 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 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 1994-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.19395878Sfc1 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
1616 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
231 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 KFAR 230100 RRA
SVRFAR
NDC097-230200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE FARGO ND
800 PM CDT SUN MAY 22 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE EAST CENTRAL PART OF NORTH DAKOTA
      SOUTHERN TRAILL

AT 755 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 45 MILES
NORTHWEST OF FARGO...JUST WEST OF COLGATE.  THIS THUNDERSTORM WAS
MOVING EAST AT 25 MPH...AND WILL AFFECT THE TOWN OF BLANCHARD BY
830 PM.

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

ARMSTRONG

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 4:28 PM CDTSevere Thunderstorm WarningFGFCass62 min
May 23, 4:55 PM CDTTornado WarningFGFRansom, Sargent65 min
May 23, 4:55 PM CDTTornado WarningFGFLaMoure65 min
May 23, 6:00 PM CDTTornado WarningFGFRichland, Sargent60 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1994Every severe thunderstorm warning in 1994

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.