Alert archive / Minnesota / Tornado Warnings in 2026
Tornado Warning 13, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 6, 2026, 6:19 PM CDT for Mahnomen County, Norman County, Minnesota. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2026, 6:19 PM CDT (23:19 UTC)
- Expired
- Jul 6, 2026, 7:00 PM CDT
- In force
- 41 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Mahnomen County, MN, Norman County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 93 km from the middle of the area, began a volume at 23:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 6, 1:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 11.3 hours before the alert went out and 260 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1156 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
699
WFUS53 KFGF 062319
TORFGF
MNC087-107-070000-
/O.NEW.KFGF.TO.W.0013.260706T2319Z-260707T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
619 PM CDT Mon Jul 6 2026
The National Weather Service in Grand Forks has issued a
* Tornado Warning for...
Southeastern Norman County in northwestern Minnesota...
Southwestern Mahnomen County in northwestern Minnesota...
* Until 700 PM CDT.
* At 619 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Twin Valley, or 38 miles northwest of Detroit
Lakes, moving southeast at 25 mph.
HAZARD...Tornado and ping pong ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Mahnomen, Twin Valley, Gary, Flom, Faith, and Syre.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4715 9606 4715 9620 4725 9646 4739 9628
4732 9591
TIME...MOT...LOC 2319Z 302DEG 21KT 4732 9622
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
$$
CJ1 follow-up statement
419
WWUS53 KFGF 062332
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
632 PM CDT Mon Jul 6 2026
MNC087-107-070000-
/O.CON.KFGF.TO.W.0013.000000T0000Z-260707T0000Z/
Norman MN-Mahnomen MN-
632 PM CDT Mon Jul 6 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHEASTERN NORMAN AND SOUTHWESTERN MAHNOMEN COUNTIES...
At 631 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Syre, or 31 miles northwest of Detroit Lakes, moving
east at 45 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Mahnomen, Twin Valley, Flom, Faith, and Syre.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4715 9606 4715 9620 4723 9642 4738 9622
4732 9591
TIME...MOT...LOC 2331Z 267DEG 41KT 4719 9625
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
CJThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 2:19 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 56 min |
| Jul 6, 2:55 PM CDT | Severe Thunderstorm Warning | FGF | Kittson, Roseau | 65 min |
| Jul 6, 3:13 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods, Roseau | 62 min |
| Jul 6, 3:56 PM CDT | Severe Thunderstorm Warning | FGF | Marshall, Roseau | 42 min |
| Jul 6, 4:11 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 64 min |
| Jul 6, 4:23 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 67 min |
| Jul 6, 5:08 PM CDT | Tornado Warning | FGF | Mahnomen, Polk | 39 min |
| Jul 6, 5:11 PM CDT | Severe Thunderstorm Warning | FGF | Marshall, Pennington | 37 min |
| Jul 6, 6:01 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman | 59 min |
| Jul 6, 6:15 PM CDT | Areal Flood Advisory | FGF | Clearwater, Mahnomen, Norman, Polk | 3 hr |
| Jul 6, 6:49 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Mahnomen, Norman | 56 min |
Nearby
Tornado Warnings in Minnesota, 2026Every tornado warning in 2026Tornadoes in 2026
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; radar from the NEXRAD Level II archive.