Alert archive / Minnesota / Tornado Warnings in 2004
Tornado Warning 37, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 12, 2004, 10:55 PM CDT for Becker County, Otter Tail County, Minnesota. It was in force for 65 min. 33 reports 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
- Jul 12, 2004, 10:55 PM CDT (03:55 UTC)
- Expired
- Jul 13, 2004, 12:00 AM CDT
- In force
- 65 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Becker County, MN, Otter Tail County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 148 km from the middle of the area, began a volume at 03:59 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 |
|---|---|---|---|
| Jul 12, 11:13 PM CDT | TORNADO | 4 W Cormorant, MN | |
| Jul 12, 11:13 PM CDT | TORNADO | 4 W Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2 | 2 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2 | 2 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2 | 2 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2 | 2 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2 | 2 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2.5 | 1 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2.5 | 1 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2.5 | 1 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2.5 | 1 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | HAIL 2.5 | 1 S Cormorant, MN | |
| Jul 12, 11:15 PM CDT | TORNADO | 7 Wnw Dunvilla, MN | |
| Jul 12, 11:15 PM CDT | TORNADO | 7 Wnw Dunvilla, MN | |
| Jul 12, 11:25 PM CDT | TSTM WND DMG | 2 W Dunvilla, MN | TREE DOWN ON HOUSE. |
| Jul 12, 11:25 PM CDT | TSTM WND DMG | 2 W Dunvilla, MN | TREE DOWN ON HOUSE. |
| Jul 12, 11:25 PM CDT | TSTM WND DMG | 2 W Dunvilla, MN | TREE DOWN ON HOUSE. |
| Jul 12, 11:25 PM CDT | TSTM WND DMG | 2 W Dunvilla, MN | TREE DOWN ON HOUSE. |
| Jul 12, 11:25 PM CDT | TORNADO | 2 W Dunvilla, MN | DAMAGE WITH 70+ MPH WINDS REPORTED.TREES COVERING STATE ROAD 34. |
| Jul 12, 11:25 PM CDT | TORNADO | 2 W Dunvilla, MN | DAMAGE WITH 70+ MPH WINDS REPORTED.TREES COVERING STATE ROAD 34. |
| Jul 12, 11:25 PM CDT | TORNADO | 2 W Dunvilla, MN | DAMAGE WITH 70+ MPH WINDS REPORTED.TREES COVERING STATE ROAD 34. |
| Jul 12, 11:25 PM CDT | TORNADO | 2 W Dunvilla, MN | DAMAGE WITH 70+ MPH WINDS REPORTED.TREES COVERING STATE ROAD 34. |
| Jul 12, 11:25 PM CDT | TORNADO | 2 W Dunvilla, MN | DAMAGE WITH 70+ MPH WINDS REPORTED.TREES COVERING STATE ROAD 34. |
| Jul 12, 11:40 PM CDT | TSTM WND DMG | 2 W Dunvilla, MN | TREE DOWN ON HOUSE. |
| Jul 12, 11:42 PM CDT | HAIL 2.5 | Vergas, MN | |
| Jul 12, 11:42 PM CDT | HAIL 2.5 | Vergas, MN | |
| Jul 12, 11:42 PM CDT | HAIL 2.5 | Vergas, MN | |
| Jul 12, 11:42 PM CDT | HAIL 2.5 | Vergas, MN | |
| Jul 12, 11:42 PM CDT | HAIL 2.5 | Vergas, MN | |
| Jul 12, 11:45 PM CDT | HAIL 2.5 | 1 S Cormorant, MN | |
| Jul 12, 11:45 PM CDT | HAIL 2.5 | 1 S Cormorant, MN | |
| Jul 12, 11:45 PM CDT | HAIL 2.5 | 1 S Cormorant, MN | |
| Jul 12, 11:45 PM CDT | HAIL 2.5 | 1 S Cormorant, MN |
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 |
|---|---|---|---|
| Jul 12, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.9 hours before the alert went out and 265 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
- 1267 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1215 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KFGF 130355
TORFGF
MNC005-111-130500-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1055 PM CDT MON JUL 12 2004
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN BECKER COUNTY IN NORTHWEST MINNESOTA
NORTHWESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA
* UNTIL MIDNIGHT CDT.
* AT 1050 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM WITH STRONG ROTATION 16 MILES WEST OF
CORMORANT...OR ABOUT 21 MILES EAST OF FARGO...MOVING TO THE
SOUTHEAST AT 35 MPH.
* THE TORNADO WILL BE NEAR...
CORMORANT AT 1115 PM...
DUNVILLA AT 1125 PM...
LAKE LIDA AT 1130 PM AND
MAPLEWOOD STATE PARK AT 1135 PM.
THIS SUPERCELL THUNDERSTORM HAS A HISTORY OF PRODUCING TORNADOES AND GOLF
BALL SIZE HAIL.
THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO
ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING.
LAT...LON 4650 9591 4661 9616 4685 9615 4672 9563
4664 9570 4652 9581
$$
DKThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 8:49 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 56 min |
| Jul 12, 10:02 PM CDT | Tornado Warning | FGF | Clay | 58 min |
| Jul 12, 10:19 PM CDT | Tornado Warning | FGF | Clay | 41 min |
| Jul 12, 10:59 PM CDT | Tornado Warning | FGF | Clay | 46 min |
| Jul 13, 12:00 AM CDT | Tornado Warning | FGF | Otter Tail, Wadena | 60 min |
Nearby
Tornado Warnings in Minnesota, 2004Every tornado warning in 2004Tornadoes in 2004
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.