Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 76, NWS Grand Forks, ND

August 27, 1994Beltrami County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 27, 1994, 6:35 AM CDT for Beltrami County, Minnesota. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Aug 27, 1994, 6:35 AM CDT (11:35 UTC)
Expired
Aug 27, 1994, 7:30 AM CDT
In force
55 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Beltrami County, MN

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 11.6 hours before the alert went out and 138 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, International Fa, MN at 00:00Z on 1994-08-27Temperature 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, International Fa, MN at 00:00Z on 1994-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
1998 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
88 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 271135 RRA
SVRFAR
MNC007-271230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE FARGO ND
635 AM CDT SAT AUG 27 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTH CENTRAL PART OF MINNESOTA
      NORTHERN BELTRAMI

AT 627 AM CDT...A SEVERE THUNDERSTORM WAS OVER EXTREME SOUTHEAST
MARSHALL COUNTY OF NORTHWEST MINNESOTA AND WAS JUST MOVING INTO
NORTHWEST BELTRAMI COUNTY.

THIS SEVERE THUNDERSTORM WAS MOVING SOUTHEAST AT 35 MILES AN HOUR
AND SHOULD MOVE ACROSS NORTHERN BELTRAMI COUNTY BY 730 AM.

SOME TOWNS INCLUDED ARE THORHULT AND THE UPPER AND LOWER RED LAKES.

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.

SPIES

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 27, 1:40 AM CDT, 4 hours 55 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-270730-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
140 AM CDT SAT AUG 27 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NORTH DAKOTA
   UNTIL 4 AM CDT...

AT 125 AM CDT...SCATTERED THUNDERSTORMS...SOME WITH MODERATE RAIN...
CONTINUED OVER PARTS OF NORTHEASTERN NORTH DAKOTA.

THE AREA OF SHOWERS AND THUNDERSTORMS WAS 20 MILES WIDE AND EXTENDED
FROM 5 MILES NORTHWEST OF COOPERSTOWN TO 5 MILES NORTH OF LARIMORE IN
NORTHEASTERN NORTH DAKOTA.

MOVEMENT WAS TO THE SOUTHEAST AT 40 TO 45 MILES PER HOUR.  THESE STORMS
WILL MOVE THROUGH GRAND FORKS...GRIGGS AND STEELE COUNTIES BY 230 AM CDT.

THESE STORMS DID NOT PRODUCED ANY SEVERE WEATHER AS THEY MOVED THROUGH
NELSON COUNTY...BUT HEAVY RAIN...DANGEROUS LIGHTNING...STRONG WIND...AND
SMALL HAIL REMAIN POSSIBLE.

PERSONS IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS.

STAY TUNED TO TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR THE LATEST
INFORMATION ON THESE STORMS.

JEURISSEN
Special weather statement, Aug 27, 1:41 AM CDT, 4 hours 54 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-270730-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
140 AM CDT SAT AUG 27 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NORTH DAKOTA
   UNTIL 4 AM CDT...

AT 125 AM CDT...SCATTERED THUNDERSTORMS...SOME WITH MODERATE RAIN...
CONTINUED OVER PARTS OF NORTHEASTERN NORTH DAKOTA.

THE AREA OF SHOWERS AND THUNDERSTORMS WAS 20 MILES WIDE AND EXTENDED
FROM 5 MILES NORTHWEST OF COOPERSTOWN TO 5 MILES NORTH OF LARIMORE IN
NORTHEASTERN NORTH DAKOTA.

MOVEMENT WAS TO THE SOUTHEAST AT 40 TO 45 MILES PER HOUR.  THESE STORMS
WILL MOVE THROUGH GRAND FORKS...GRIGGS AND STEELE COUNTIES BY 230 AM CDT.

THESE STORMS DID NOT PRODUCED ANY SEVERE WEATHER AS THEY MOVED THROUGH
NELSON COUNTY...BUT HEAVY RAIN...DANGEROUS LIGHTNING...STRONG WIND...AND
SMALL HAIL REMAIN POSSIBLE.

PERSONS IN THE PATH OF THESE ST&ORMS SHOULD REMAIN ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS.

STAY TUNED TO TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR THE LATEST
INFORMATION ON THESE STORMS.

JEURISSEN
Local storm report, Aug 27, 5:07 AM CDT, 1 hour 28 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
500 AM CDT SAT AUG 27 1994

TIME          EVENT

406 AM CDT    CAVALIER COUNTY SHERIFFS OFFICE REPORTED PEA TO MARBLE
              SIZE HAIL AND WIND TO 35 MPH WEST OF HANNAH ND IN IN
              EXTREME NORTHWEST CAVALIER COUNTY OF NORTHEAST NORTH
              DAKOTA.

418 AM CDT    CAVALIER COUNTY SHERIFFS OFFICE REPORTED GOLFBALL SIZE
              HAIL AT MUNICH NORTH DAKOTA IN SOUTHWEST CAVALIER COUNTY
              OF NORTHEAST NORTH DAKOTA.

440 AM CDT    GRAND FORKS AIR FORCE BASE WEATHER HAD A REPORT OF 60 MPH
              WIND NORTHWEST OF LANGDON IN CENTRAL CAVALIER COUNTY OF
              NORTHEAST NORTH DAKOTA.
SPIES
Special weather statement, Aug 27, 5:25 AM CDT, 1 hour 10 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-271130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
525 AM CDT SAT AUG 27 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NORTH DAKOTA
   UNTIL 9 AM CDT...

AT 520 AM CDT...SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN
WERE MOVING SOUTHEAST ACROSS EASTERN PEMBINA AND EASTERN WALSH COUNTIES
OF NORTHEAST NORTH DAKOTA.

THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 50 MILES AN HOUR AND SHOULD
MOVE ACROSS THE RED RIVER INTO THE COUNTIES OF KITTSON AND WESTERN
MARSHALL BY 530 AM.

THESE THUNDERSTORMS HAVE PRODUCED HIGH WIND...VERY HEAVY RAIN...LARGE
HAIL AND DEADLY LIGHTNING IN CAVALIER COUNTY OF NORTHEAST NORTH DAKOTA.
SPIES
Special weather statement, Aug 27, 5:29 AM CDT, 1 hour 6 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004-
007>009-013>017-022>024-027>032-039>041-047-271130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
525 AM CDT SAT AUG 27 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NORTH DAKOTA
   UNTIL 9 AM CDT...

AT 520 AM CDT...SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN
WERE MOVING SOUTHEAST ACROSS EASTERN PEMBINA AND EASTERN WALSH COUNTIES
OF NORTHEAST NORTH DAKOTA.

THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 50 MILES AN HOUR AND SHOULD
MOVE ACROSS THE RED RIVER INTO THE COUNTIES OF KITTSON AND WESTERN
MARSHALL BY 530 AM.

THESE THUNDERSTORMS HAVE PRODUCED HIGH WIND...VERY HEAVY RAIN..."LARGE
HAIL AND DEADLY LIGHTNING IN CAVALIER COUNTY OF NORTHEAST NORTH DAKOTA.
SPIES

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 6:16 AM CDTSevere Thunderstorm WarningFGFMarshall59 min
Aug 27, 8:29 AM CDTSevere Thunderstorm WarningFGFKoochiching55 min
Aug 27, 8:58 AM CDTTornado WarningFGFLake of the Woods, Roseau47 min
Aug 27, 9:55 AM CDTSevere Thunderstorm WarningFGFKoochiching65 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.