Flash Flood in Minnesota, August 27 to 28, 2002

Name: Flash Flood in Minnesota, August 27 to 28, 2002
Start: 2002-08-27T23:00
End: 2002-08-28T04:00
Location: Minnesota

August 27 to 28, 2002 · NWS FGF · 1 event in 1 county or zone

1 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before the first event at Aug 27, 7:35 PM CST, 3 hours 25 minutes earlier.

Area forecast discussion, Aug 27, 7:35 PM CST, 3 hours 25 minutes before

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
835 PM CDT TUE AUG 27 2002

FORECAST CHALLENGE AGAIN IS ONGOING SEVERE WEATHER THREAT. CURRENT
WATCH IS IN EFFECT UNTIL 10 PM FOR THE NORTHERN HALF OF THE FA.
LATEST SFC MAP SHOWS SFC LOW OVER SOUTHWEST ND. DRY/WARM PUNCH IN
THIS AREA SHOWED UP BETTER EARLIER AS A POSSIBLE WARM FRONT FROM
KBIS-KJMS-KABR (WHERE KBIS ROSE TO AROUND 90). ONE COVERGENT
BOUNDARY EXTENDS FROM KBIS UP TOWARD CYWG WITH ANOTHER ONE WORKING
SOUTH IN THE NORTHERN RED RIVER VALLEY. THIS LAST BOUNDARY IS
WORKING INTO MORE JUICY LOW LEVEL MOISTURE BUT FURTHER FROM THE MAIN
UPPER FORCING. ETA/MESOETA HINT AT A WEAK 850 MB JET DEVELOPING
DURING THE 03Z-06Z TIME FRAME AND THE KMVX 88D CURRENTLY SHOWS 25
KNOTS IN THE LOWEST GATES. THE LINE FROM KBIS TO KJMS ALSO HAS BEEN
PRODUCING SEVERE WEATHER AND THIS LINE CONTINUES TO MOVE TO THE EAST
TOWARD THE WESTERN FRINGES OF THE FA. BOTH THESE AREAS REMAIN IN THE
MOISTURE CONVERGENCE BULLSEYE AND AREA OF LOWEST LIS. SEVERE
WEATHER THREAT WILL CONTINUE THROUGH THE WATCH EXPIRATION TIME AND
MAY (LIKE LAST NIGHT) SEE A FEW SEVERE STORMS AFTER 10 PM. WILL HOLD
OFF ON ANY UPDATE UNTIL AROUND 10 PM AS ZONES IN GOOD SHAPE. ONLY
UPDATE SHOULD BE WATCH HEADLINES.

.FGF...NONE.

GODON

In the hours before

Local storm report, Aug 27, 5:15 PM CST, 5 hours 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
615 PM CDT TUE AUG 27 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0515 PM    7 SE MAIDA                ND   2.50 INCH HAIL
08/27/02   CAVALIER                       HAILED 20 MINUTES
                                          UNTIL 525 PM CDT
                                          GROUND WHITE

0557 PM    1 NW WALHALLA             ND   .75 INCH HAIL
08/27/02   PEMBINA                        HAILED UNTIL 602 PM

0605 PM    6 E VANG                  ND   1.75 INCH HAIL
08/27/02   CAVALIER                       GROUND WHITE

Local storm report, Aug 27, 6:20 PM CST, 4 hours 40 minutes before

PRELIMINARY LOCAL STORM REPORT...EVENT SUMMARY
NATIONAL WEATHER SERVICE GRAND FORKS, ND
720 PM CDT TUE AUG 27 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0515 PM    7 SE MAIDA                ND   2.50 INCH HAIL
08/27/02   CAVALIER                       HAILED 20 MINUTES
                                          UNTIL 525 PM CDT
                                          GROUND WHITE

0557 PM    1 NW WALHALLA             ND   .75 INCH HAIL
08/27/02   PEMBINA                        HAILED UNTIL 602 PM

0605 PM    6 E VANG                  ND   1.75 INCH HAIL
08/27/02   CAVALIER                       GROUND WHITE

0615 PM    2 SE WALHALLA             ND   1.00 INCH HAIL
08/27/02   PEMBINA                        GROUND WHITE

0634 PM    6 NW CAVALIER             ND   .75 INCH HAIL
08/27/02   PEMBINA

0648 PM    3 W CAVALIER              ND   1.00 INCH HAIL
08/27/02   PEMBINA

0655 PM    10 E LANGDON              ND   .75 INCH HAIL
08/27/02   CAVALIER

Local storm report, Aug 27, 7:40 PM CST, 3 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT...EVENT SUMMARY
NATIONAL WEATHER SERVICE GRAND FORKS, ND
840 PM CDT TUE AUG 27 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0515 PM    7 SE MAIDA                ND   2.50 INCH HAIL
08/27/02   CAVALIER                       HAILED 20 MINUTES
                                          UNTIL 525 PM CDT
                                          GROUND WHITE

0557 PM    1 NW WALHALLA             ND   .75 INCH HAIL
08/27/02   PEMBINA                        HAILED UNTIL 602 PM

0605 PM    6 E VANG                  ND   1.75 INCH HAIL
08/27/02   CAVALIER                       GROUND WHITE

0615 PM    2 SE WALHALLA             ND   1.00 INCH HAIL
08/27/02   PEMBINA                        GROUND WHITE

0634 PM    6 NW CAVALIER             ND   .75 INCH HAIL
08/27/02   PEMBINA

0648 PM    3 W CAVALIER              ND   1.00 INCH HAIL
08/27/02   PEMBINA

0655 PM    10 E LANGDON              ND   .75 INCH HAIL
08/27/02   CAVALIER

0755 PM    3 SW GLASSTON             ND   .75 INCH HAIL
08/27/02   PEMBINA

0805 PM    3 NE FAIRDALE             ND   .75 INCH HAIL
08/27/02   WALSH

0824 PM    3.5 S ST THOMAS           ND   .75 INCH HAIL
08/27/02   PEMBINA

Local storm report, Aug 27, 9:05 PM CST, 1 hour 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1005 PM CDT TUE AUG 27 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0815 PM    3 NE EDINBURG             ND   .88 INCH HAIL
08/27/02   WALSH                          REPORTED BY PUBLIC.

0830 PM    4 W CRYSTAL               ND   1.00 INCH HAIL
08/27/02   PEMBINA                        REPORTED BY PUBLIC.

0930 PM    3 SW CALVIN               ND   .88 INCH HAIL
08/27/02   CAVALIER                       REPORTED BY PUBLIC.

0940 PM    3 W FAIRDALE              ND   1.00 INCH HAIL
08/27/02   WALSH                          REPORTED BY PUBLIC.

0955 PM    11 SW WALES               ND   .75 INCH HAIL
08/27/02   CAVALIER                       REPORTED BY PUBLIC.

DPORTER

Local storm report, Aug 27, 9:30 PM CST, 1 hour 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1030 PM CDT TUE AUG 27 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0830 PM    2 E HANSBORO              ND   .75 INCH HAIL
08/27/02   TOWNER

1005 PM    3 NW ADAMS                ND   .75 INCH HAIL
08/27/02   WALSH

1010 PM    5 E FAIRDALE              ND   .75 INCH HAIL
08/27/02   WALSH

1025 PM    3 NE ADAMS                ND   1.00 INCH HAIL
08/27/02   WALSH                          GROUND IS WHITE. REPORTED
                                          BY PUBLIC.

DPORTER

Local storm report, Aug 27, 9:57 PM CST, 1 hour 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS, ND
1057 PM CDT TUE AUG 27 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0945 PM    FAIRDALE                  ND   1.00 INCH HAIL
08/27/02   WALSH                          GROUND IS WHITE. REPORTED
                                          BY CO-OP OBSERVER.

1030 PM    9 E ADAMS                 ND   .75 INCH HAIL
08/27/02   WALSH                          REPORTED BY PUBLIC.

1055 PM    3 NW EGELAND              ND   .75 INCH HAIL
08/27/02   TOWNER                         REPORTED BY PUBLIC.

DPORTER

The radar

The Fargo/Grand Forks radar (KMVX), 117 km away, was scanning. The volume nearest the first event began at 04:59 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Marshall

When: August 27, 11:00 PM CST to August 28, 4:00 AM CST
Where: Marshall County, Argyle
Reported by: GENERAL PUBLIC
Coordinates: 48.358, -96.368 (the zone’s center; the record gives no point)

Rural roads were flooded.

What these are

Flash Flood: Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Minnesota in 2002 Every state in 2002 This day in weather history Warnings in Minnesota, August 2002

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5317798.