Alert archive / Minnesota / Tornado Warnings in 2015
Tornado Warning 41, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 12, 2015, 4:21 PM CDT for 4 counties in Minnesota. It was in force for 39 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 12, 2015, 4:21 PM CDT (21:21 UTC)
- Expired
- Jul 12, 2015, 5:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Becker County, MN, Clay County, MN, Otter Tail County, MN, Wilkin County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 135 km from the middle of the area, began a volume at 21:25 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 12, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 9.4 hours before the alert went out and 247 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
- 871 J/kg
- Mixed-layer CIN
- -318 J/kg
- Mixed-layer LCL
- 2134 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
454
WFUS53 KFGF 122121
TORFGF
MNC005-027-111-167-122200-
/O.NEW.KFGF.TO.W.0041.150712T2121Z-150712T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
421 PM CDT SUN JUL 12 2015
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
SOUTHEASTERN CLAY COUNTY IN NORTHWESTERN MINNESOTA...
NORTHWESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
SOUTHWESTERN BECKER COUNTY IN NORTHWESTERN MINNESOTA...
* UNTIL 500 PM CDT
* AT 420 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR LAWNDALE...OR 20 MILES NORTHWEST OF FERGUS
FALLS...MOVING NORTHEAST AT 20 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES.
* THIS DANGEROUS STORM WILL BE NEAR...
ERHARD AROUND 425 PM CDT.
PELICAN RAPIDS AROUND 430 PM CDT.
LAKE LIDA AND DUNVILLA AROUND 435 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
GRAND FORKS.
IF ON OR NEAR LAKE LIDA...GET AWAY FROM THE WATER AND MOVE TO SAFE
SHELTER IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO BE STRUCK BY LIGHTNING. SEVERE THUNDERSTORMS CAN PRODUCE LARGE
CAPSIZING WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO DOCK AND
SEEK SAFE SHELTER NOW. DO NOT BE CAUGHT ON THE WATER IN A
THUNDERSTORM.
&&
LAT...LON 4655 9656 4678 9614 4649 9572 4636 9636
TIME...MOT...LOC 2120Z 245DEG 52KT 4653 9630
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
SPEICHERThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 4:50 AM CDT | Severe Thunderstorm Warning | FGF | Marshall, Pennington, Polk | 55 min |
| Jul 12, 6:25 AM CDT | Special Weather Statement | FGF | Roseau | 65 min |
| Jul 12, 6:48 AM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 42 min |
| Jul 12, 7:21 AM CDT | Special Weather Statement | FGF | Beltrami | 54 min |
| Jul 12, 7:28 AM CDT | Special Weather Statement | FGF | Lake of the Woods | 32 min |
| Jul 12, 8:23 AM CDT | Special Weather Statement | FGF | Beltrami | 67 min |
| Jul 12, 3:53 PM CDT | Tornado Warning | FGF | Clay, Otter Tail, Wilkin | 52 min |
| Jul 12, 4:03 PM CDT | Tornado Warning | FGF | Polk | 42 min |
| Jul 12, 4:36 PM CDT | Tornado Warning | FGF | Otter Tail, Wilkin | 39 min |
| Jul 12, 4:46 PM CDT | Severe Thunderstorm Warning | FGF | Kittson, Marshall | 59 min |
| Jul 12, 4:49 PM CDT | Severe Thunderstorm Warning | FGF | Marshall, Polk | 43 min |
| Jul 12, 5:04 PM CDT | Tornado Warning | FGF | Kittson, Marshall | 41 min |
| Jul 12, 5:07 PM CDT | Tornado Warning | FGF | Grant, Otter Tail, Wilkin | 38 min |
| Jul 12, 5:18 PM CDT | Tornado Warning | FGF | Becker, Otter Tail, Wadena, Wilkin | 42 min |
| Jul 12, 5:37 PM CDT | Tornado Warning | FGF | Grant, Otter Tail, Wilkin | 38 min |
| Jul 12, 5:40 PM CDT | Areal Flood Advisory | FGF | Marshall | 12 hr |
| Jul 12, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Kittson, Marshall, Pennington, Roseau | 62 min |
| Jul 12, 5:49 PM CDT | Tornado Warning | FGF | Otter Tail, Wadena | 41 min |
| Jul 12, 6:08 PM CDT | Areal Flood Advisory | FGF | Otter Tail | 12 hr |
| Jul 12, 6:15 PM CDT | Tornado Warning | FGF | Grant, Otter Tail | 45 min |
| Jul 12, 6:23 PM CDT | Tornado Warning | FGF | Clay, Wilkin | 52 min |
| Jul 12, 6:25 PM CDT | Tornado Warning | FGF | Otter Tail, Wadena | 50 min |
| Jul 12, 6:56 PM CDT | Tornado Warning | FGF | Grant | 49 min |
Nearby
Tornado Warnings in Minnesota, 2015Every tornado warning in 2015Tornadoes in 2015
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.