Alert archive / Minnesota / Tornado Warnings in 2023
Tornado Warning 7, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 24, 2023, 4:37 PM CDT for Mahnomen County, Polk County, Minnesota. It was in force for 38 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 24, 2023, 4:37 PM CDT (21:37 UTC)
- Expired
- Jun 24, 2023, 5:15 PM CDT
- In force
- 38 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
Counties Mahnomen County, MN, Polk County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 110 km from the middle of the area, began a volume at 21:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 4:38 PM CDT | TORNADO | 2 Ene Mahnomen, MN | Corrects previous tornado report from 2 ENE Mahnomen. Trees damaged. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 24, 3:42 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 9.6 hours before the alert went out and 231 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
- 1165 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -136 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
682
WFUS53 KFGF 242137
TORFGF
MNC087-119-242215-
/O.NEW.KFGF.TO.W.0007.230624T2137Z-230624T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
437 PM CDT Sat Jun 24 2023
The National Weather Service in Grand Forks has issued a
* Tornado Warning for...
Southern Polk County in northwestern Minnesota...
Northwestern Mahnomen County in northwestern Minnesota...
* Until 515 PM CDT.
* At 436 PM CDT, a confirmed tornado was located near Mahnomen, or 37
miles north of Detroit Lakes, moving north at 20 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
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...
Bejou.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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 4732 9582 4731 9592 4735 9599 4756 9596
4753 9571
TIME...MOT...LOC 2136Z 188DEG 17KT 4735 9591
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
LynchThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 3:06 PM CDT | Special Weather Statement | FGF | Norman | 39 min |
| Jun 24, 3:14 PM CDT | Special Weather Statement | FGF | Becker | 46 min |
| Jun 24, 3:23 PM CDT | Tornado Warning | FGF | Becker, Mahnomen, Norman | 37 min |
| Jun 24, 3:26 PM CDT | Tornado Warning | FGF | Norman | 34 min |
| Jun 24, 3:45 PM CDT | Tornado Warning | FGF | Norman, Polk | 45 min |
| Jun 24, 3:58 PM CDT | Tornado Warning | FGF | Becker, Mahnomen, Norman | 47 min |
| Jun 24, 4:14 PM CDT | Tornado Warning | FGF | Norman, Polk | 46 min |
| Jun 24, 4:42 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail, Wadena | 35 min |
| Jun 24, 4:46 PM CDT | Tornado Warning | FGF | Polk | 27 min |
| Jun 24, 5:10 PM CDT | Tornado Warning | FGF | Mahnomen, Polk | 50 min |
| Jun 24, 5:16 PM CDT | Special Weather Statement | FGF | Polk | 29 min |
| Jun 24, 5:19 PM CDT | Special Weather Statement | FGF | Wadena | 26 min |
| Jun 24, 5:58 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Polk | 47 min |
| Jun 24, 6:35 PM CDT | Tornado Warning | FGF | Polk | 25 min |
| Jun 24, 6:40 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard, Wadena | 65 min |
Nearby
Tornado Warnings in Minnesota, 2023Every tornado warning in 2023Tornadoes in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.