Hail, Towner
- When
- June 24, 12:30 PM CST
- Where
- Towner County, 2.26 mi NNE of Rocklake
- Measured
- 0.88 in hail
- Reported by
- Public
- Coordinates
- 48.810, -99.210
Tornado and Hail in North Dakota, June 24, 2010
In the early afternoon hours of the 24th, a weak area of surface low pressure was located over the northern Red River Valley, with frontal boundaries extending to its east and west. Thunderstorms fired along these boundaries during the peak heating of the afternoon.
Where it happened
Every event with a place to put it. 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 6
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 happened
The episode as NWS FGF wrote it up.
In the early afternoon hours of the 24th, a weak area of surface low pressure was located over the northern Red River Valley, with frontal boundaries extending to its east and west. Thunderstorms fired along these boundaries during the peak heating of the afternoon.
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 Jun 24, 8:35 AM CST, 3 hours 55 minutes earlier.
Area forecast discussion, Jun 24, 8:35 AM CST, 3 hours 55 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND FORKS ND 935 AM CDT THU JUN 24 2010 .DISCUSSION...FORECAST CHALLENGE FOR UPDATE CONCERNS T POTENTIAL AND TEMPERATURES. LOW LEVEL BOUNDARY ORIENTED ALONG ND/CANADIAN BORDER WITH UPSTREAM CONVECTION RIDING ALONG AND NORTH OF FEATURE. WITH STORM MOTION ESE AND FURTHER DESTABILIZATION WITH HEATING EXPECT CONVECTION REMAINDER OF DAY TO RIDE ALONG BOUNDARY AFFECTING MAINLY NORTHERN AREAS AND WILL MAINTAIN HIGHER POPS THIS AREA. SOUTH OF BOUNDARY CONFIDENCE LOW ON ANY CONVECTIVE INITIATION. WILL MAKE SOME MINOR POP ADJUSTMENTS BASED ON ABOVE THINKING. CLOUD COVER ALONG BOUNDARY NOT EXTENSIVE SO EXPECT TEMPERATURES TO RECOVER WITH MODEST WARM ADVECTION. WARMEST TEMPERATURES WILL BE SOUTH OF BOUNDARY WITH LESS CLOUD COVER. && .AVIATION... VFR CONDITIONS EXPECTED WITH FAIRLY LIGHT SOUTHERLY WINDS THAT MAY INCREASE A BIT THIS AFTERNOON. THERE COULD BE SOME SCATTERED THUNDERSTORM DEVELOPMENT THIS AFTERNOON ACROSS FAR NORTH...AND THUNDERSTORMS MAY BECOME LIKELY TONIGHT AT NORTHERN TAF SITES...DVL/TVF POSSIBLY GFK AND BJI. && .FGF WATCHES/WARNINGS/ADVISORIES... ND...NONE. MN...NONE. && VOELKER
Hazardous weather outlook, Jun 24, 4:22 AM CST, 8 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND FORKS ND 522 AM CDT THU JUN 24 2010 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-251030- WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-LAKE OF THE WOODS- WEST MARSHALL-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE- EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN- SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN- WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-TOWNER-CAVALIER- PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-EDDY-NELSON- GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT- RICHLAND-WESTERN WALSH COUNTY- 522 AM CDT THU JUN 24 2010 ...THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON THROUGH SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT SEVERE THUNDERSTORMS MAY DEVELOP IN NORTHEAST NORTH DAKOTA INTO NORTHWEST MINNESOTA ALONG AND NORTH OF HIGHWAY 2 AFTER 3 PM THIS AFTERNOON AND CONTINUE OVERNIGHT. THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING WINDS...AND ISOLATED TORNADOES ARE POSSIBLE THIS AFTERNOON AND EVENING. IN ADDITION...HEAVY RAINFALL WILL OCCUR NEAR ANY STORMS...AND LOCALIZED FLOODING IS POSSIBLE IF STORMS CONTINUALLY DEVELOP OVER ONE AREA. A MOIST AND UNSTABLE AIRMASS WILL MOVE INTO THE REGION BY THIS AFTERNOON...AND REMAIN IN THE AREA THROUGH SATURDAY UNTIL A COLD FRONT MOVES THROUGH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS FRIDAY AND SATURDAY FOR ALL OF EASTERN NORTH DAKOTA AND WESTERN MINNESOTA. THE BEST CHANCE FOR SEVERE THUNDERSTORMS IS LIKELY SATURDAY AFTERNOON AHEAD OF A STRONG COLD FRONT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON THROUGH SATURDAY. DK
The radar
The national radar mosaic for the moment the first event began.
Event by event
4 hail, 1 tornado, 1 funnel cloud. Local standard time, as filed.
Hail, Towner
- When
- June 24, 12:40 PM CST
- Where
- Towner County, 5.72 mi ENE of Rocklake
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 48.820, -99.120
Hail, Walsh
- When
- June 24, 1:45 PM CST
- Where
- Walsh County, Grafton
- Measured
- 1.25 in hail
- Reported by
- Law Enforcement
- Coordinates
- 48.420, -97.400
Tornado, Walsh
- When
- June 24, 3:26 PM CST to 3:33 PM CST
- Where
- Walsh County, 0.92 mi E of Forest River to 4 mi E of Forest River
- Rating
- EF0
- Path length
- 3 mi
- Path width
- 30 yd
- Reported by
- NWS Storm Survey
- Coordinates
- 48.220, -97.450
The tornado tracked east-southeastward intermittently for about 3 miles. Several large tree branches and limbs were blown down in shelterbelts along the track. Peak winds were estimated at 80 mph.
Funnel Cloud, Grand Forks
- When
- June 24, 3:29 PM CST
- Where
- Grand Forks County, 5.53 mi N of Johnstown
- Reported by
- Public
- Coordinates
- 48.230, -97.470
The funnel cloud was viewed from about 1 mile west of Johnston, looking north.
Hail, Walsh
- When
- June 24, 3:30 PM CST
- Where
- Walsh County, 0.92 mi E of Forest River
- Measured
- 0.75 in hail
- Reported by
- Public
- Coordinates
- 48.220, -97.450
What these are
- 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.
- 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
- Heat in Maryland, June 24, 2010
- Tornado and Damaging Winds in Connecticut, June 24, 2010
- Hail and Damaging Winds in New Jersey, June 24, 2010
- Lightning Strike in Texas, June 24, 2010
- Hail and Damaging Winds in North Dakota, June 24 to 25, 2010
- Hail and Damaging Winds in Pennsylvania, June 24, 2010
- Hail and Damaging Winds in New York, June 24, 2010
- Hail and Damaging Winds in Massachusetts, June 24, 2010
- Damaging Winds in Virginia, June 24, 2010
- Flash Flood and Hail in New Mexico, June 24, 2010
- Damaging Winds in West Virginia, June 24, 2010
- Flash Flood and Hail in Arkansas, June 24, 2010
More
Every storm in North Dakota in 2010Every state in 2010This day in weather historyThe tornado archive for North Dakota, 2010Warnings in North Dakota, June 2010
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: 227508, 245965, 227509, 245966, 227507, 227510.