Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 71, NWS Grand Forks, ND

August 25, 1994Wilkin County, Minnesota; Richland County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 25, 1994, 1:15 PM CDT for Wilkin County, Minnesota; Richland County, North Dakota. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Aug 25, 1994, 1:15 PM CDT (18:15 UTC)
Expired
Aug 25, 1994, 2:15 PM CDT
In force
60 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

Counties Wilkin County, MN, Richland County, ND

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 6.3 hours before the alert went out and 205 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 1994-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 417 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 1994-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 290 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
417 J/kg
Mixed-layer CIN
-619 J/kg
Mixed-layer LCL
1841 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
290 m²/s²
0-3 km storm-relative helicity
290 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFAR 251815 RRA
SVRFAR
NDC077-MNC167-251915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE FARGO ND
115 PM CDT THU AUG 25 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 215 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHEAST PART OF NORTH DAKOTA
      SOUTHERN RICHLAND...

   IN THE WEST CENTRAL PART OF MINNESOTA
      SOUTHERN WILKIN...

AT 110 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LIDGERWOOD
NORTH DAKOTA...50 MILES SOUTH OF FARGO NORTH DAKOTA MOVING EAST AT
40 MILES PER HOUR.  LARGER THAN GOLFBALL SIZE HAIL WAS REPORTED AT
LIDGERWOOD NORTH DAKOTA FROM THIS STORM.

CITIES IN THE PATH OF THIS SEVERE THUNDERSTORM ARE HANKINSON...
MANTADOR...AND CAMPBELL.

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 THE0 LOWEST FLOOR
OF YOUR HOME OR BUSINESS.

JEURISSEN

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 25, 10:40 AM CDT, 2 hours 35 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-251635-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
1040 AM CDT THU AUG 25 1994

AT 1025 AM CDT...A FEW ISOLATED STRONG THUNDERSTORMS AND SCATTERED SHOWERS
CONTINUED OVER PARTS OF NORTHWEST MINNESOTA AND SOUTH CENTRAL NORTH DAKOTA.

THE STRONGEST STORMS WERE LOCATED IN NORTHERN LA MOURE COUNTY OF SOUTH
CENTRAL NORTH DAKOTA...35 MILE SOUTH OF JAMESTOWN AND 10 MILES SOUTHWEST
OF BEMIDJI IN SOUTHWEST BELTRAMI COUNTY. THESE STORMS WERE MOVING EAST
AT 35 TO 40 MPH AND WILL AFFECT EASTERN LA MOURE AND INTO WESTERN RANSOM
COUNTY AND SOUTHERN BELTRAMI COUNTIES UNTIL 1130 AM CDT.

THE STORMS WILL LIKELY PRODUCE VERY HEAVY RAIN AND NEARLY CONTINUOUS
DEADLY LIGHTNING AS WELL AS POSSIBLE SMALL HAIL AND GUSTY WINDS. IF YOU
LIVE IN OR NEAR THE PATHS OF THESE STORMS...BE PREPARED FOR THREATENING
WEATHER. TAKE SHELTER AS THESE STORMS APPROACH.
>
STAY TUNED TO LOCAL RADIO AND TELEVISION OR NOAA WEATHER RADIO FOR
FUTHER STATEMENTS AND POSSIBLE WARNINGS.
HW
Special weather statement, Aug 25, 11:45 AM CDT, 1 hour 30 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-251735-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
1145 AM CDT THU AUG 25 1994

AT 1135 AM CDT...SCATTERED THUNDERSTORMS...A FEW STRONG...CONTINUED OVER
PARTS OF EAST CENTRAL AND SOUTHEAST NORTH DAKTOA AND EXTREME NORTHEAST
SOUTH DAKOTA.

STRONGEST STORMS WERE FROM 20 TO 40 MILES SOUTHEAST OF VALLEY CITY NEAR
ENDERLIN AND LISBON.  THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR
AND WILL MOVE THROUGH THE SHELDON AND MCLEOD AREAS BY 1230 PM CDT.

THESE STORMS CONTAIN VERY HEAVY RAIN...GUSTY WINDS AND DANGEROUS
LIGHTNING. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR
RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER.
BE SPECIALLY AWARE OF THE DANGEROUS LIGHTNING ASSOCIATED WITH THESE
STORMS.
.
STAY TUNED TO YOUR FAVORITE FORM OF WEATHER INFORMATION FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
VOELKER
Special weather statement, Aug 25, 11:51 AM CDT, 1 hour 24 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-251735-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
1145 AM CDT THU AUG 25 1994

AT 1135 AM CDT...SCATTERED THUNDERSTORMS...A FEW STRONG...CONTINUED OVER
PARTS OF EAST CENTRAL AND SOUTHEAST NORTH DAKTOA AND EXTREME NORTHEAST
SOUTH DAKOTA.

STRONGEST STORMS WERE FROM 20 TO 40 MILES SOUTHEAST OF VALLEY CITY NEAR
ENDERLIN AND LISBON.  THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR
AND WILL MOVE THROUGH THE SHELDON AND MCLEOD AREAS BY 1230 PM CDT.

THESE STORMS CONTAIN VERY HEAVY RAIN...GUSTY WINDS AND DANGEROUS
LIGHTNING. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR
RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER.
BE SPECIALLY AWARE OF THE DANGEROUS LIGHTNING ASSOCIATED WITH THESE
STORMS.
.
STAY TUNED TO YOUR FAVORITE FORM OF WEATHER INFORMATION FOR LATER
STATEMENTSl AND POSSIBLE WARNINGS.
VOELKER
Special weather statement, Aug 25, 12:36 PM CDT, 39 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-251835-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
1240 PM CDT THU AUG 25 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST NORTH DAKOTA...
   NORTHWEST AND WEST CENTRAL MINNESOTA UNTIL 5 PM CDT...

AT 1230 AM CDT...SCATTERED THUNDERSTORMS...SOME STRONG...CONTINUED OVER
PARTS OF EAST CENTRAL AND SOUTHEAST NORTH DAKTOA AND HAD MOVED INTO
PARTS OF NORTHWEST MINNESOTA.

STRONGEST STORMS WERE FROM 30 TO 50 MILES SOUTH/SOUTHWEST OF FARGO.
ANOTHER STRONG THUNDERSTORM WAS 55 MILES SOUTH OF VALLEY CITY ALONG
THE NORTH/SOUTH DAKOTA BORDER. ALL THESE STORMS WERE MOVING EAST AT
40 MILES AN HOUR AND WILL AFFECT THE ABERCROMBIE...WAHPETON/BRECKENRIDGE
...LIDGERWOOD AND HANKINSON AREAS BY 130 PM CDT.

THESE STORMS CONTAIN VERY HEAVY RAIN...DANGEROUS LIGHTNING AND SOME
SMALL HAIL. PERSONS IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT
FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK
SHELTER IF NECESSARY. BE SPECIALLY AWARE OF THE DANGEROUS LIGHTNING
ASSOCIATED WITH THESE STORMS.

STAY TUNED TO YOUR FAVORITE FORM OF WEATHER INFORMATION FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
VOELKER
Special weather statement, Aug 25, 12:40 PM CDT, 35 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-251835-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
1240 PM CDT THU AUG 25 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST NORTH DAKOTA...
   NORTHWEST AND WEST CENTRAL MINNESOTA UNTIL 5 PM CDT...

AT 1230 AM CDT...SCATTERED THUNDERSTORMS...SOME STRONG...CONTINUED OVER
PARTS OF EAST CENTRAL AND SOUTHEAST NORTH DAKTOA AND HAD MOVED INTO
PARTS OF NORTHWEST MINNESOTA.

STRONGEST STORMS WERE FROM 30 TO 50 MILES SOUTH/SOUTHWEST OF FARGO.
ANOTHER STRONG THUNDERSTORM WAS 55 MILES SOUTH OF VALLEY CITY ALONG
THE NORTH/SOUTH DAKOTA BORDER. ALL THESE STORMS WERE MOVING EAST AT
40 MILES AN HOUR AND WILL AFFECT THE ABERCROMBIE...WAHPETON/BRECKENRIDGE
...LIDGERWOOD AND HANKINSON AREAS BY 130 PM CDT.

THESE STORMS CONTAIN VERY HEAVY RAIN...DANGEROUS LIGHTNING AND SOME
SMALL HAIL. PERSONS IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT
FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK
SHELTER IF NECESSARY. BE SPECIALLY AWARE OF THE DANGEROUS LIGHTNING
ASSOCIATED WITH THESE STORMS.

STAY TUNED TO YOUR FAVORITE FORM OF WEATHER INFORMATION FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
VOELKER
Local storm report, Aug 25, 1:07 PM CDT, 8 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
1305 PM CDT THU AUG 25 1994

TIME          EVENT
1050 AM CDT   ELLENDALE ND REPORTED PEA SIZE HAIL.

1200 N CDT    DICKEY COUNTY ND S. O. REPORTED PEA SIZE HAIL IN ELLENDALE.
              LIGHTNING HIT ELLENDALE ND WATERTOWER AND FED INTO CITY HALL
              NEXT DOOR. DAMAGED CITY HALL ELECTRICAL SYSTEM/EQUIPMENT THAT
              WAS NOT SURGE PROTECTED.  S. O. RADIO SYSTEM OTS.

100 PM CDT    WAHPETON WARNING POINT ND REPORTED MARBLE SIZE HAIL  IN
              WYNDMERE ND

BENNETT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 1:51 PM CDTSevere Thunderstorm WarningFGFTraverse69 min
Aug 25, 3:11 PM CDTSevere Thunderstorm WarningFGFDouglas64 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1994Severe 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.