Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 35, NWS Grand Forks, ND

August 25, 1990Dickey County, LaMoure County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 25, 1990, 9:55 PM CDT for Dickey County, LaMoure County, North Dakota. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 25, 1990, 9:55 PM CDT (02:55 UTC)
Expired: Aug 25, 1990, 10:45 PM CDT
In force: 50 min
Issued by: NWS Grand Forks, ND
Area: Whole counties

Counties Dickey County, ND, LaMoure County, ND

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Aug 25, 10:00 PM CDT	Thunderstorm Wind 0	Dickey, ND

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 2.9 hours before the alert went out and 154 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4027 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1709 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFAR 260255
SVRFAR
NDC021-045-260345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE FARGO ND
955 PM CDT SAT AUG 25 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHEAST PART OF NORTH DAKOTA
      DICKEY...LA MOURE

AT 950 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 45 MILES SOUTH
OF JAMESTOWN NORTH DAKOTA MOVING NORTHEAST AT 35 MILES AN HOUR.
THIS WARNING INCLUDES THE TOWNS OF ELLENDALE...FULLERTON...EDGELEY
AND LA MOURE IN SOUTHEAST NORTH DAKOTA.

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

ANDERSEN

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, 6:42 PM CDT, 3 hours 13 minutes before

NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-260030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
630 PM CDT SAT AUG 25 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1AM CDT SUNDAY
FOR SOUTHEAST NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND PARTS OF
WEST CENTRAL AND NORTHWEST MINNESOTA...

AT 630 PM CDT AN INTENSE THUNDERSTORM WAS LOCATED 15 MILES SOUTHWEST
OF THIEF RIVER FALLS MINNESOTA. THIS THUNDERSTORM WAS MOVING EAST AT
30 MILES AN HOUR AND WILL BE IN THE HIGH LANDING MINNESOTA AREA BY
730 PM CDT. THIS THUNDERSTORM COULD PRODUCE LARGE HAIL...VERY HEAVY
RAIN AND STRONG WINDS.

A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED 15 MILES SOUTH OF
BRECKENRIDGE MINNESOTA MOVING EAST AT 30 MILES AN HOUR AND WILL BE
IN THE FERGUS FALLS MINNESOTA AREA BY 730 PM CDT. THIS THUNDERSTORM
COULD ALSO PRODUCE VERY HEAVY RAIN...HAIL AND GUSTY WINDS.
OTHER RAIN SHOWERS AND THUNDERSTORMS CONDINUED OVER PARTS OF
EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL MINNESOTA.
THESE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN
HOUR.

PERSONS IN AND NEAR THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER IF
NECESSARY.

PLEASE STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS AND NOAA WEATHER
RADIO FOR LATEST INFORMATION ON THESE THUNDERSTORMS.
ANDERSEN

Local storm report, Aug 25, 6:54 PM CDT, 3 hours 1 minute before

STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
650 PM CDT SAT AUG 25 1990

TIME          EVENT
520 PM CDT    TRAILL COUNTY NORTH DAKOTA SHERIFF DEPARTMENT REPORTED
              MARBLE AND GOLF BALL SIZED HAIL COVERING THE GROUND AT
              HATTON NORTH DAKOTA...NORTHWEST TRAILL COUNTY.
602 PM CDT    HANKINSON NORTH DAKOTA...RICHLAND COUNTY REPORTED PEA
              TO MARBLE SIZED HAIL...VERY HEAVY RAIN AND STRONG WINDS.
638 PM CDT    CITY OF RED LAKE FALLS MINNESOTA POLICE...RED LAKE COUNTY
              IN NORTHWEST MINNESOTA REPORTED 1/2 INCH HAIL AND VERY
              HEAVY RAIN.
ANDERSEN

Special weather statement, Aug 25, 7:42 PM CDT, 2 hours 13 minutes before

NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-260130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
730 PM CDT SAT AUG 25 1990

...INTENSE THUNDERSTORMS CONTINUE OVER OTTER TAIL COUNTY OF
WEST CENTRAL MINNESOTA...

AT 730 PM CDT AN INTENSE THUNDERSTORM WAS LOCATED JUST EAST OF
FERGUS FALLS MINNESOTA IN OTTER TAIL COUNTY. THIS THUNDERSTORM
WAS MOVING EAST AT 40 MILES AN HOUR AND WILL PASS THROUGH THE
BATTLE LAKE AND OTTER TAIL MINNESOTA AREAS BY 830 PM CDT. THIS
THUNDERSTORM COULD PRODUCE LARGE HAIL...BRIEF VERY HEAVY RAIN AND
STRONG WINDS.

ANOTHER INTENSE THUNDERSTORM WAS LOCATED NEAR THE LOWER RED LAKE IN
BELTRAMI COUNTY OF NORTHWEST MINNESOTA. THIS THUNDERSTORM WAS MOVING
EAST AT 40 MILES AN HOUR AND WILL MOVE THROUGH THE UPPER AND LOWER
RED LAKE AREAS BY 830 PM CDT. THIS THUNDERSTORM PRODUCED PEA TO MARBLE
SIZED HAIL AS IT PASSED OVER OKLEE MINNESOTA IN RED LAKE COUNTY.
OTHER RAIN SHOWERS AND THUNDERSTORMS CONTINUED OVER EXTREME
SOUTHEAST NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND NORTHWEST
MINNESOTA. THESE THUNDERSTORMS WERE MOVING EAST AT 35 TO 40
MILES AN HOUR.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1AM CDT SUNDAY
FOR SOUTHEAST NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND PARTS
OF WEST CENTRAL AND NORTHWEST MINNESOTA.

PERSONS IN AND NEAR THE WATCH AREA AND NEAR THESE THUNDERSTORMS
SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND
BE PREPARED TO CSEEK SHELTER IF NECESSARY.

PLEASE STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS FOR LATEST
INFORMATION ON THESE THUNDERSTORMS.
ANDERSEN
                                                                        ]

Local storm report, Aug 25, 7:46 PM CDT, 2 hours 9 minutes before

STORM REPORTS
NATIONAL WEATHER SERVICE FARGO ND
745 PM CDT SAT AUG 25 1990

TIME          EVENT
705 PM CDT    MINNESOTA STATE RADIO REPORTED PEA TO MARBLE SIZED HAIL
              HAIL COVERING THE GROUNGD IN OKLEE MINNESOTA...RED LAKE
              COUNTY OF NORTHWEST MINESOTA.
ANDERSEN

Special weather statement, Aug 25, 8:40 PM CDT, 1 hour 15 minutes before

NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-260230-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
830 PM CDT SAT AUG 25 1990

...SEVERE THUNDERSTORM NEAR EAGLE BEND IN TODD COUNTY OF WEST
CENTRAL MINNESOTA...

AT 830 PM CDT A SEVERE THUNDERSTORM WAS LOCATED JUST EAST OF
EAGLE BEND MINNESOTA...IN TODD COUNTY OF WEST CENTRAL MINNESOTA.
THIS THUNDERSTORM WAS MOVING EAST AT 40 MILES AN HOUR AND WILL
BE NEAR BRAINERD MINNESOTA BY 930 PM CDT.  THIS THUNDERSTORM COULD
PRODUCE LARGE HAIL...BRIEF VERY HEAVY RAIN AND STRONG WINDS.

ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEAR SQUAW LAKE IN ITASCA
COUNTY OF NORTHWEST MINNESOTA. THIS THUNDERSTORM WAS MOVING SOUTHEAST
AT 35 TO 40 MILES AN HOUR AND WILL BE NEAR THE GRAND RAPIDS AND HIBBING
MINNESOTA ARRAS BY 930 PM CDT. THIS THUNDERSTORM HAD PRODUCED PEA TO MARBLE
SIZED HAIL AS IT PASSED THROUGH THE LOWER RED LAKE REGION OF NORTHWEST
MINNESOTA.
OTHER RAIN SHOWERS AND THUNDERSTORMS CONTINUED OVER EXTREME
SOUTHEAST NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND NORTHWEST
MINNESOTA. THESE THUNDERSTORMS WERE MOVING EAST AT 35 TO 40
MILES AN HOUR.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1AM CDT SUNDAY
FOR SOUTHEAST NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND PARTS
OF WEST CENTRAL AND NORTHWEST MINNESOTA.

PERSONS IN AND NEAR THE WATCH AREA AND NEAR THESE THUNDERSTORMS
SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND
BE PREPARED TO SEEK SHELTER IF NECESSARY.

PLEASE STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS FOR LATEST
INFORMATION ON THESE THUNDERSTORMS.
ANDERSEN

Special weather statement, Aug 25, 9:37 PM CDT, 18 minutes before

NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-260330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
930 PM CDT SAT AUG 25 1990

...RADIPY DEVELOPING AREA OF INTENSE THUNDERSTORMS ALONG THE
NORTH DAKOTA/SOUTH BORDER SOUTH OF JAMESTOWN NORTH DAKOTA...

AT 930 PM CDT A SEVERE THUNDERSTORM WAS LOCATED 10 MILES EAST OF
EAGLE BEND MINNESOTA...IN TODD COUNTY OF WEST CENTRAL MINNESOTA.
THIS THUNDERSTORM WAS MOVING EAST AT 30 MILES AN HOUR AND WILL
MOVE THROUGH THE BRAINERD MINNESOTA AREA BY 1030 PM CDT. THIS
THUNDERSTORM COULD PRODUCE BRIEF VERY HEAVY RAIN...HAIL AND
STRONG WINDS.

SEVERAL INTNESE THUNDERSTORMS WERE LOCATED NEAR GRAND RAPIDS IN NORTH
CENTRAL MINNESOTA. THESE THUNDERSTSORMS WERE MOVING SOUTHEAST AT 25 TO
30 MILES AN HOUR. BRIEF HEAVY RAIN AND STRONG WINDS ARE POSSIBLE WITH
THESE THUNDERSTORMS.
A LARGE AREA OF INTENSE THUNDERSTORMS WAS LOCATED OVER
NORTHEAST SOUTH DAKOTA. THESE THUNDERSTORMS WERE MOVING
NORTHEAST AT 25 TO 30 MILES AN HOUR AND WILL CROSS INTO
NORTH DAKOTA BY 945 PM CDT. THESE THUNDERSTORMS HAVE
PRODUCED SEVERE WEATHER OVER PARTS OF NORTHEAST SOUTH DAKOTA.

OTHER RAIN SHOWERS AND THUNDERSTORMS CONTINUED OVER EXTREME
SOUTHEAST NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND NORTHWEST
MINNESOTA. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 TO 30
MILES AN HOUR.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1AM CDT SUNDAY
FOR SOUTHEAST NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND PARTS
OF WEST CENTRAL AND NORTHWEST MINNESOTA.

PERSONS IN AND NEAR THE WATCH AREA AND NEAR THESE THUNDERSTORMS
SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND
BE PREPARED TO SEEK SHELTER IF NECESSARY.

PLE<ASE STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS FOR LATEST
INFORMATION ON THESE THUNDERSTORMS.
ANDERSEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 25, 11:01 PM CDT	Severe Thunderstorm Warning	FGF	Richland	44 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1990 Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.