Tornadoes and Flash Flooding in Minnesota, July 18, 2001

Name: Tornadoes and Flash Flooding in Minnesota, July 18, 2001
Start: 2001-07-18T15:35
End: 2001-07-18T23:30
Location: Minnesota

July 18, 2001 · NWS FGF · 49 events in 8 counties and zones

20 hail, 19 thunderstorm wind, 6 flash flood, 3 tornado, 1 funnel cloud, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 7 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: $268,000
Crop damage: None recorded
Events: 49

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 Jul 18, 1:00 PM CST, 2 hours 35 minutes earlier.

Area forecast discussion, Jul 18, 1:00 PM CST, 2 hours 35 minutes before

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
200 PM CDT WED JUL 18 2001

FORECAST CONCERN CONTINUES TO BE CONVECTION

.OVERVIEW...
SFC LOW MOVING TOWARDS NORTHEAST SD THIS AFTERNOON...WITH CONVECTION
TRYING TO FIRE ACROSS WESTERN FA NEAR SFC BOUNDARY. CAP CONTINUES TO
ERODE...WITH CAPES AROUND 5000 J/KG...EXPECT RAPID CONVECTIVE
DEVELOPMENT IN NEXT 2 HOURS. AVN FOCUSSES CONVECTION FROM VALLEY
WEST TONIGHT...WHERE ETA TARGEST SOUTHERN 2/3 OF FA. ETA HAS BEEN
CONSISTENT...SO WILL UTILIZE FOR NOW.

.SHORT TERM...
AS LOW MOVES INTO NORTHEAST SD...CONVECTION WILL FOCUS IN SOUTHERN
2/3 OF FA NEAR MAXIMIZED SFC CONVERGENCE AND UPPER LEVEL DIVERGENCE
AFTER 03Z. WITH IMPRESSIVE INSTABILITIES WITH LI/S TO -12C...EXPECT
DEEP MOIST CONVECTION WITH FLASH FLOODING A CONCERN. SEVERE WEATHER
THREAT IS ALSO LIKELY...WITH LARGE HAIL/WIND AND ISOLATED TORNADOES
NORTH OF WARMFRONT. WILL CONTINUE FLASH FLOOD WATCH UNTIL MIDNIGHT
FROM DVL-GFK NORTH...AND ELSEWHERE TONIGHT. TEMPS SIMILAR TO LAST
NIGHTS...SO WILL FOLLOW PERSISTENCE.

.LONG TERM...
WEAK HIGH TRIES TO BUILD IN ON THURSDAY...BUT WITH PLENTY OF
INSTABILITY AND MOISTURE STILL AROUND...CAN/T RULE OUT CONVECTION
ONCE AGAIN. 500MB VORTICITY MAXIMUM WILL ALSO TRAVERSE
REGION...WHICH MAY ENHANCE LIFT. THEREFORE WILL CONTINUE SCATTERED
THUNDERSTORM MENTION. A POTENT UPPER WAVE AND SFC BOUNDARY MOVE
THROUGH FA FROM WEST TO EAST THU NIGHT...ALONG WITH 35 KT 850MB LOW
LEVEL JET. AN MCS MAY DEVELOP AND MOVE ACROSS FA...SO WILL KEEP
THUNDERSTORMS IN FORECAST. STRONG 300MB DIVERGENCE IS ALSO PROGGED
WHICH WILL SUSTAIN CONVECTION. WEAK HIGH SHOULD BUILD IN FOR
FRIDAY...WITH INSTABILITIES STABILIZING IN NORTH. SOUTHERN 2/3 OF
AREA REMAIN UNSTABLE...WITH LI/S TO -8C. WILL LEAVE THUNDER MENTION
OUT FOR EXTREME NORTH...BUT LEAVE IN ELSEWHERE. TEMPS REMAIN SIMILAR
THROUGHOUT...WITH PERSISTENCE THE BEST BET.

AVN AND MRF AGREE IN BRINGING MORE DISTURBANCES IN ON SOUTHWEST FLO
FOR THE WEEKEND WITH MAIN ENERGY SHUNTED INTO CANADA. THEN UPPER
RIDGE FLATTENS AND FLO BECOMES MORE ZONAL...WITH SFC HIGH BRINGING
STABILITY MON AND TUE. WILL PUT A CHANCE OF STORMS IN NEXT WED WITH
RETURN FLO SETTING UP AHEAD OF NEXT SFC LOW. FWC AND MEX TEMPS IN
AGREEMENT...MAYBE TOO COOL MONDAY AND TUESDAY.

.FGF...FLASH FLOOD WATCH FOR UNTIL MIDNIGHT ALONG AND NORTH OF A
DVL-GFK LINE...FOR REST OF FA TONIGHT.

KELLENBENZ

In the hours before

Local storm report, Jul 18, 12:46 PM CST, 2 hours 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
146 PM CDT WED JUL 18 2001

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

0300 PM    THORHULT                  MN   WIND DAMAGE
07/17/01   BELTRAMI                       WIND DAMAGE TO CROPS.
                                          WHEAT FLATTENED.

0420 PM    3 NE COOPERSTOWN          ND   2 INCH HAIL
07/17/01   GRIGGS

0443 PM    5 E COOPERSTOWN           ND
07/17/01   GRIGGS                         FUNNEL CLOUD AND WALL
                                          CLOUD NEAR THE STEELE
                                          COUNTY LINE

0507 PM    5 SW PORTLAND             ND
07/17/01   TRAILL                         FUNNEL CLOUD REPORTED BY
                                          SHERIFF OFFICE

0530 PM    PONEMAH                   MN   .75 INCH HAIL
07/17/01   BELTRAMI

0600 PM    3 E COOPERSTOWN           ND   FLOODING
07/17/01   GRIGGS                         WATER OVER HIGHWAY 200

0600 PM    5 S FINLEY                ND   FLOODING
07/17/01   STEELE                         WATER OVER HIGHWAY 200 AND
                                          32.  WATER IN FIELDS AND
                                          DITCHES FLOODED.

0615 PM    3 N CHAFFEE               ND   4.5 INCH HAIL
07/17/01   CASS                           GROUND WAS WHITE MOSTLY
                                          BASEBALL SIZED HAIL

0621 PM    BEMIDJI                   MN   1.75 INCH HAIL
07/17/01   BELTRAMI

0630 PM    CARP                      MN   WIND DAMAGE
07/17/01   LAKE OF THE WOODS              10 TO 12 FEET WIDE PATH OF
                                          DOWNED TREES

0658 PM    6 S HUNTERSVILLE          MN   2.5 INCH HAIL
07/17/01   WADENA

0700 PM    THORHULT                  MN   FLOODING
07/17/01   BELTRAMI                       FLOODING OF ROADS

0715 PM    3 N HINES                 MN   1.75 INCH HAIL
07/17/01   BELTRAMI

0730 PM    12 N WYNDMERE             ND   80 MPH TSTM GUST
07/17/01   RICHLAND                       6 INCH DIAMETER TREES
                                          BLOWN DOWN

0736 PM    4 E KINDRED               ND   .75 INCH HAIL
07/17/01   CASS

0800 PM    CARP                      MN   FLOODING
07/17/01   LAKE OF THE WOODS              WIDESPREAD FLOODING OF
                                          ROADS AND DITCHES IN THE
                                          CARP AREA OF SOUTHERN LAKE
                                          OF THE WOODS COUNTY.

0830 PM    1 E TENSTRIKE             MN   1 INCH HAIL
07/17/01   BELTRAMI

0850 PM    9 W WAHPETON              ND   65 MPH TSTM GUST
07/17/01   RICHLAND                       TREES DOWN

1135 PM    13 NE VALLEY CITY         ND   .75 INCH HAIL
07/17/01   BARNES

0115 AM    9 N TOWER CITY            ND   .75 INCH HAIL
07/18/01   CASS

Local storm report, Jul 18, 1:59 PM CST, 1 hour 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
259 PM CDT WED JUL 18 2001

...ADDTIONAL REPORT...

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

0810 PM    7 N 4 E BARNEY                ND   TORNADO
07/17/01   RICHLAND                           TOUCHDOWN REPORTED BY
                                              FARMER.  70 FOOT
                                              COTTONWOOD TREES
                                              UPROOTED AND TWISTED IN
                                              DIFFERENT DIRECTIONS.
                                              AWNINGS OF HOME AND A
                                              BARN WAS DESTROYED.

NNNN

Local storm report, Jul 18, 2:12 PM CST, 1 hour 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
418 AM CDT WED JUL 18 2001

...UPDATED TIMES FROM EARLIER REPORTS...

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

0337 PM    10 N BEMIDJI              MN   .75 INCH HAIL
07/17/01   BELTRAMI

0350 PM    9 N BEMIDJI               MN   1 INCH HAIL
07/17/01   BELTRAMI                       AMATUER RADIO REPORT

0350 PM    7 W FINLEY                ND   2 INCH HAIL
07/17/01   GRIGGS

0354 PM    9 N BEMIDJI               MN   .75 INCH HAIL
07/17/01   BELTRAMI                       AMATUER RADIO REPORT

0400 PM    7 N BEMIDJI               MN   1 INCH HAIL
07/17/01   BELTRAMI

0404 PM    4 E COOPERSTOWN           ND   1 INCH HAIL
07/17/01   GRIGGS

0405 PM    10 N BEMIDJI              MN   1 INCH HAIL
07/17/01   BELTRAMI                       AMATUER RADIO REPORT

0405 PM    5 W FINLEY                ND   1.75 INCH HAIL
07/17/01   STEELE

0405 PM    5 W FINLEY                ND   1.75 INCH HAIL
07/17/01   STEELE

0425 PM    3 N BEMIDJI               MN   1.5 INCH HAIL
07/17/01   BELTRAMI

0428 PM    3 S FINLEY                ND   1 INCH HAIL
07/17/01   STEELE

0430 PM    10 NW FOUR TOWN           MN   1.75 INCH HAIL
07/17/01   BELTRAMI

0430 PM    11 NW FOUR TOWN           MN   1.25 INCH HAIL
07/17/01   BELTRAMI

0435 PM    5 N HOPE                  ND   1.75 INCH HAIL
07/17/01   STEELE

0435 PM    3 S SALOL                 MN   1 INCH HAIL
07/17/01   ROSEAU

0435 PM    2 NW BEMIDJI              MN   1.5 INCH HAIL
07/17/01   BELTRAMI

0440 PM    15 N GRYGLA               MN   .75 INCH HAIL
07/17/01   ROSEAU

0453 PM    4 W KELLIHER              MN   .75 INCH HAIL
07/17/01   BELTRAMI

0459 PM    15 E BEMIDJI              MN   2.75 INCH HAIL
07/17/01   BELTRAMI

0500 PM    7 SW FINLEY               ND   2 INCH HAIL
07/17/01   STEELE                         GROUND WAS WHITE; HAIL
                                          FELL FOR OVER 15 MINUTES

0510 PM    9 E COOPERSTOWN           ND   .75 INCH HAIL
07/17/01   GRIGGS

0521 PM    BEMIDJI                   MN   1.75 INCH HAIL
07/17/01   BELTRAMI                       AMATUER RADIO REPORT

0550 PM    GRACETON                  MN   .75 INCH HAIL
07/17/01   LAKE OF THE WOODS

0550 PM    GRACETON                  MN   .75 INCH HAIL
07/17/01   LAKE OF THE WOODS

0600 PM    LYNCHBURG                 ND   2.75 INCH HAIL
07/17/01   CASS

0615 PM    3 N CHAFFEE               ND   4.50 INCH HAIL
07/17/01   CASS                           BROKEN WINDOWS

0620 PM    3 NE CHAFFEE              ND   3 INCH HAIL
07/17/01   CASS

0624 PM    3 W REDBY                 MN   TORNADO
07/17/01   BELTRAMI

0624 PM    SAUM                      MN   TORNADO
07/17/01   BELTRAMI                       AMATUER RADIO REPORT

0631 PM    6 N BEMIDJI               MN   1 INCH HAIL
07/17/01   BELTRAMI

0636 PM    4 N BEMIDJI               MN   .75 INCH HAIL
07/17/01   BELTRAMI                       REPORT FROM THE NORTH
                                          SHORE OF LAKE BEMIDJI FROM
                                          AMATUER RADIO

0638 PM    BEMIDJI                   MN   1 INCH HAIL
07/17/01   BELTRAMI

0643 PM    6 N BEMIDJI               MN   1 INCH HAIL
07/17/01   BELTRAMI

0650 PM    9 N BEMIDJI               MN   1.5 INCH HAIL
07/17/01   BELTRAMI

0652 PM    2 S TURTLE RIVER          MN   1 INCH HAIL
07/17/01   BELTRAMI

0656 PM    3 SW FUNKLEY              MN   TORNADO
07/17/01   BELTRAMI

0658 PM    5 NW FUNKLEY              MN   TORNADO
07/17/01   BELTRAMI

0700 PM    7 E BEMIDJI               MN   .88 INCH HAIL
07/17/01   BELTRAMI

0700 PM    FUNKLEY                   MN   TORNADO
07/17/01   BELTRAMI

0705 PM    1 E FUNKLEY               MN   TORNADO
07/17/01   BELTRAMI

0710 PM    7 N BEMIDJI               MN   1 INCH HAIL
07/17/01   BELTRAMI

0727 PM    8 SE LEONARD              ND   .75 INCH HAIL
07/17/01   RICHLAND

0727 PM    8 SE LEONARD              ND   70 MPH TSTM GUST
07/17/01   RICHLAND

0728 PM    HINES                     MN   .75 INCH HAIL
07/17/01   BELTRAMI

0731 PM    TENSTRIKE                 MN   .75 INCH HAIL
07/17/01   BELTRAMI

0740 PM    BROCKET                   ND   .75 INCH HAIL
07/17/01   RAMSEY

0744 PM    OYLEN                     MN   1.75 INCH HAIL
07/17/01   WADENA

0745 PM    14 E BEMIDJI              MN   1 INCH HAIL
07/17/01   BELTRAMI

0747 PM    PONEMAH                   MN   1.75 INCH HAIL
07/17/01   BELTRAMI

0751 PM    ROOSEVELT                 MN   1 INCH HAIL
07/17/01   ROSEAU

0755 PM    1 E ROOSEVELT             MN   .75 INCH HAIL
07/17/01   LAKE OF THE WOODS

0800 PM    1 E ROOSEVELT             MN   .75 INCH HAIL
07/17/01   LAKE OF THE WOODS

0810 PM    8 N BARNEY                ND   1 INCH HAIL
07/17/01   RICHLAND

0810 PM    8 N BARNEY                ND   WIND DAMAGE
07/17/01   RICHLAND                       BARN AND MACHINE SHED
                                          KNOCKED OVER...RADIO
                                          TOWERS AND TREES ALSO
                                          BLOWN DOWN.

0805 PM    MOORETON                  ND   65 MPH TSTM GUST
07/17/01   RICHLAND

0820 PM    MOORETON                  ND   79 MPH TSTM GUST
07/17/01   RICHLAND

0838 PM    10 N PARK RAPIDS          MN   .88 INCH HAIL
07/17/01   HUBBARD

0838 PM    2 S FINGAL                ND   2 INCH HAIL
07/17/01   BARNES

0846 PM    10 NE PARK RAPIDS         MN   1.75 INCH HAIL
07/17/01   HUBBARD

0854 PM    1 N ROTHSAY               MN   62 MPH TSTM GUST
07/17/01   WILKIN

0855 PM    7 SW ALICE                ND   1.75 INCH HAIL
07/17/01   CASS

0855 PM    3 SE MOORETON             ND   1.75 INCH HAIL
07/17/01   RICHLAND

0903 PM    FERGUS FALLS              MN   65 MPH TSTM GUST
07/17/01   OTTER TAIL

0915 PM    SHELDON                   ND   .75 INCH HAIL
07/17/01   RANSOM

0955 PM    5 SW LISBON               ND   1.5 INCH HAIL
07/17/01   RANSOM

1007 PM    PARKERS PRAIRIE           MN   .75 INCH HAIL
07/17/01   OTTER TAIL

1010 PM    6 S LISBON                ND   1.75 INCH HAIL
07/17/01   RANSOM

1015 PM    7 S LISBON                ND   1.75 INCH HAIL
07/17/01   RANSOM                

1100 PM    5 E MOORETON              ND   1 INCH HAIL
07/17/01   RICHLAND

Local storm report, Jul 18, 2:17 PM CST, 1 hour 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
317 PM CDT WED JUL 18 2001

...LATE REPORT...

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

0800 PM    WALCOTT                   ND   WIND DAMAGE
07/17/01   RICHLAND                       ROOF OF WALCOTT FIRE
                                          STATION BLOWN OFF.
                                          MANY TREES UPROOTED.

The radar

The Fargo/Grand Forks radar (KMVX), 149 km away, was scanning. The volume nearest the first event began at 21:33 UTC.

Open the radar archive at this moment

Event by event

20 hail, 19 thunderstorm wind, 6 flash flood, 3 tornado, 1 funnel cloud. Local standard time, as filed.

Thunderstorm Wind, Kittson

When: July 18, 3:35 PM CST
Where: Kittson County, St Vincent
Measured: 52 kt (60 mph)
Reported by: AWOS,ASOS,MESONET,ETC
Coordinates: 48.833, -96.883

A Minnesota DOT RWIS site measured a 60 mph wind gust.

Hail, Kittson

When: July 18, 3:37 PM CST
Where: Kittson County, 5 mi E of St Vincent
Measured: 2.5 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.917, -96.550

Hail, Kittson

When: July 18, 3:55 PM CST
Where: Kittson County, Orleans
Measured: 2.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.683, -96.650

Thunderstorm Wind, Kittson

When: July 18, 4:00 PM CST
Where: Kittson County, Orleans
Property damage: $150,000
Reported by: GENERAL PUBLIC
Coordinates: 48.777, -96.783 (the zone’s center; the record gives no point)

Six 50,000 bushel grain bins were destroyed and 4 others were damaged by the strong wind.

Tornado, Kittson

When: July 18, 4:00 PM CST
Where: Kittson County, 2 mi S of Orleans
Rating: F0
Path length: 0.5 mi
Path width: 25 yd
Reported by: GENERAL PUBLIC
Coordinates: 48.967, -94.933

A brief touchdown was reported.

Hail, Kittson

When: July 18, 4:00 PM CST
Where: Kittson County, Humboldt
Measured: 2 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.777, -96.783 (the zone’s center; the record gives no point)

Thunderstorm Wind, Kittson

When: July 18, 4:03 PM CST
Where: Kittson County, 3 mi W of Lancaster
Measured: 56 kt (64 mph)
Reported by: GENERAL PUBLIC
Coordinates: 48.777, -96.783 (the zone’s center; the record gives no point)

Hail, Kittson

When: July 18, 4:07 PM CST
Where: Kittson County, 5 mi NW of Lancaster
Measured: 1.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.650, -95.550

Thunderstorm Wind, Kittson

When: July 18, 4:07 PM CST
Where: Kittson County, 5 mi NW of Lancaster
Property damage: $500
Reported by: GENERAL PUBLIC
Coordinates: 48.777, -96.783 (the zone’s center; the record gives no point)

Large branches were blown down.

Hail, Kittson

When: July 18, 4:49 PM CST
Where: Kittson County, 6 mi SW of Caribou
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.777, -96.783 (the zone’s center; the record gives no point)

Hail, Roseau

When: July 18, 5:30 PM CST
Where: Roseau County, Roseau
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.700, -95.567

Thunderstorm Wind, Kittson

When: July 18, 6:07 PM CST
Where: Kittson County, 4 mi SW of Lancaster
Property damage: $1,000
Reported by: GENERAL PUBLIC
Coordinates: 48.033, -96.533

Branches were blown down and shingles were blown off a roof.

Hail, Kittson

When: July 18, 6:30 PM CST
Where: Kittson County, 7 mi SW of Hallock
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 47.933, -96.450

Hail, Kittson

When: July 18, 6:49 PM CST
Where: Kittson County, 6 mi SW of Caribou
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 47.800, -96.817

Thunderstorm Wind, Lake of the Woods

When: July 18, 7:00 PM CST
Where: Lake of the Woods County, 6 mi W of Lude
Property damage: $1,000
Reported by: GENERAL PUBLIC
Coordinates: 48.250, -95.400

Two large trees were blown down.

Thunderstorm Wind, Kittson

When: July 18, 7:00 PM CST
Where: Kittson County, 2 mi NW of Halma
Property damage: $1,000
Reported by: GENERAL PUBLIC
Coordinates: 48.777, -96.783 (the zone’s center; the record gives no point)

Trees and branches were blown down.

Flash Flood, Kittson

When: July 18, 7:00 PM CST
Where: Kittson County, St Vincent
Reported by: GENERAL PUBLIC
Coordinates: 48.467, -95.717

Street flooding was reported.

Flash Flood, Lake of the Woods

When: July 18, 7:05 PM CST to 7:35 PM CST
Where: Lake of the Woods County, Lude
Property damage: $5,000
Reported by: GENERAL PUBLIC
Coordinates: 48.967, -97.217

Basements were flooded as 4 1/2 inches of rain fell over a short period of time.

Thunderstorm Wind, Lake of the Woods

When: July 18, 7:05 PM CST
Where: Lake of the Woods County, 2 mi NW of Lude
Property damage: $50,000
Reported by: NEWSPAPER
Coordinates: 48.717, -97.050

At the Long Point Resort, trees fell on cabins, homes, boats, and powerlines.

Tornado, Lake of the Woods

When: July 18, 7:05 PM CST
Where: Lake of the Woods County, Lude
Rating: F0
Path length: 0.5 mi
Path width: 25 yd
Reported by: GENERAL PUBLIC
Coordinates: 48.433, -94.600

A brief tornado touchdown was reported.

Thunderstorm Wind, Lake of the Woods

When: July 18, 7:05 PM CST
Where: Lake of the Woods County, Lude
Property damage: $5,000
Reported by: GENERAL PUBLIC
Coordinates: 48.983, -94.967

Trees and powerlines were blown down.

Hail, Roseau

When: July 18, 7:10 PM CST
Where: Roseau County, Malung
Measured: 0.88 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.433, -94.600

Flash Flood, Roseau

When: July 18, 7:30 PM CST
Where: Roseau County, 5 mi SE of Pencer
Reported by: GENERAL PUBLIC
Coordinates: 48.967, -97.100

Ditches were full of water and running over the roads.

Hail, Roseau

When: July 18, 7:30 PM CST
Where: Roseau County, 5 mi SE of Pencer
Measured: 1.5 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.933, -96.933

Hail, Roseau

When: July 18, 7:30 PM CST
Where: Roseau County, Roseau
Measured: 1.5 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.567, -94.500

Funnel Cloud, Marshall

When: July 18, 7:40 PM CST
Where: Marshall County, 5 mi S of Newfolden
Reported by: GENERAL PUBLIC
Coordinates: 48.933, -96.933

Flash Flood, Lake of the Woods

When: July 18, 8:00 PM CST to 11:00 PM CST
Where: Lake of the Woods County, Baudette
Property damage: $10,000
Reported by: GENERAL PUBLIC
Coordinates: 48.900, -96.933

Many basements and roads were flooded.

Hail, Roseau

When: July 18, 8:00 PM CST
Where: Roseau County, 3 mi E of Pencer
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.933, -97.083

Tornado, Marshall

When: July 18, 8:05 PM CST
Where: Marshall County, 4 mi NE of Gatzke
Rating: F1
Path length: 1 mi
Path width: 50 yd
Reported by: GENERAL PUBLIC
Coordinates: 47.650, -94.683

A swath of trees were downed across highway 89.

Thunderstorm Wind, Roseau

When: July 18, 8:05 PM CST
Where: Roseau County, Skime
Property damage: $10,000
Reported by: GENERAL PUBLIC
Coordinates: 48.050, -96.883

Powerlines were blown down.

Thunderstorm Wind, Marshall

When: July 18, 8:10 PM CST
Where: Marshall County, 12 mi N of Grygla
Property damage: $2,000
Reported by: GENERAL PUBLIC
Coordinates: 48.083, -96.717

Trees were blown down by the strong wind.

Thunderstorm Wind, Beltrami

When: July 18, 8:30 PM CST
Where: Beltrami County, Jelle
Property damage: $500
Reported by: GENERAL PUBLIC
Coordinates: 48.867, -96.883

Branches were blown down.

Thunderstorm Wind, Lake of the Woods

When: July 18, 8:45 PM CST
Where: Lake of the Woods County, 20 mi S of Baudette
Property damage: $2,000
Reported by: GENERAL PUBLIC
Coordinates: 48.917, -96.900

Trees were blown down.

Hail, Lake of the Woods

When: July 18, 8:45 PM CST
Where: Lake of the Woods County, 20 mi S of Baudette
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.917, -96.900

Thunderstorm Wind, Lake of the Woods

When: July 18, 9:00 PM CST
Where: Lake of the Woods County, 11 mi SSE of Baudette
Property damage: $500
Reported by: GENERAL PUBLIC
Coordinates: 48.917, -96.550

Branches were blown down.

Hail, Polk

When: July 18, 9:10 PM CST
Where: Polk County, 3 mi W of Tabor
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.850, -95.750

Hail, Polk

When: July 18, 9:14 PM CST
Where: Polk County, 3 mi W of Tabor
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 47.774, -96.402 (the zone’s center; the record gives no point)

Thunderstorm Wind, Beltrami

When: July 18, 9:20 PM CST
Where: Beltrami County, Waskish
Property damage: $2,000
Reported by: GENERAL PUBLIC
Coordinates: 47.983, -96.400

Trees were blown down by the strong wind.

Thunderstorm Wind, Polk

When: July 18, 9:45 PM CST
Where: Polk County, Angus
Property damage: $500
Reported by: GENERAL PUBLIC
Coordinates: 48.967, -95.067

Branches were blown down.

Hail, Marshall

When: July 18, 9:45 PM CST
Where: Marshall County, 8 mi S of Argyle
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 47.983, -96.400

Flash Flood, Roseau

When: July 18, 10:00 PM CST
Where: Roseau County, Pencer
Reported by: GENERAL PUBLIC
Coordinates: 48.967, -94.933

Several roads were flooded.

Thunderstorm Wind, Beltrami

When: July 18, 10:10 PM CST
Where: Beltrami County, Tenstrike
Property damage: $25,000
Reported by: GENERAL PUBLIC
Coordinates: 47.917, -96.317

Boats and docks were damaged.

Hail, Pennington

When: July 18, 10:15 PM CST
Where: Pennington County, 14 mi SW of Thief River Falls
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.783, -95.717

Thunderstorm Wind, Pennington

When: July 18, 10:25 PM CST
Where: Pennington County, 14 mi SW of Thief River Falls
Property damage: $2,000
Reported by: GENERAL PUBLIC
Coordinates: 48.850, -95.750

Trees were blown down.

Hail, Red Lake

When: July 18, 10:30 PM CST
Where: Red Lake County, 3 mi NW of Red Lake Falls
Measured: 2 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.550, -95.600

Hail, Red Lake

When: July 18, 11:00 PM CST
Where: Red Lake County, Dorothy
Measured: 2.5 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.467, -95.617

Hail, Polk

When: July 18, 11:15 PM CST
Where: Polk County, 6 mi NE of Euclid
Measured: 1 in hail
Reported by: GENERAL PUBLIC
Coordinates: 48.050, -96.883

Thunderstorm Wind, Polk

When: July 18, 11:30 PM CST
Where: Polk County, Fisher
Measured: 51 kt (59 mph)
Reported by: GENERAL PUBLIC
Coordinates: 48.167, -94.500

A 59 mph gust was reported by a Minnesota DOT RWIS station.

Flash Flood, Polk

When: July 18, 11:30 PM CST
Where: Polk County, East Grand Forks
Reported by: GENERAL PUBLIC
Coordinates: 48.217, -96.817

Street flooding was reported.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado: A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
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.
Funnel Cloud: A rotating column of cloud extending from a thunderstorm that did not reach the ground.

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

The same day elsewhere

Every storm in Minnesota in 2001 Every state in 2001 This day in weather history The tornado archive for Minnesota, 2001 Warnings in Minnesota, July 2001

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: 5261247, 5261248, 5261249, 5261250, 5261251, 5261252, 5261253, 5261254, 5261255, 5261256, 5261257, 5261269, 5261268, 5261270, 5261258, 5261271, 5261272, 5259763, 5259784, 5261259, 5261273, 5261260, 5259764, 5259765, 5261261, 5259766, 5259767, 5259768, 5259783, 5261262, 5261263, 5259769, 5259770, 5259771, 5259772, 5259773, 5261264, 5261265, 5259774, 5261266, and more.