Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 52, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 24, 2011, 7:08 PM CDT for 5 counties in Minnesota. It was in force for 52 min. 2 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 24, 2011, 7:08 PM CDT (00:08 UTC)
- Expired
- Jul 24, 2011, 8:00 PM CDT
- In force
- 52 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Beltrami County, MN, Clearwater County, MN, Marshall County, MN, Pennington County, MN, Polk County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 136 km from the middle of the area, began a volume at 00:08 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 24, 7:15 PM CDT | TSTM WND DMG | 7 Ne Goodridge, MN | TIN BLOWN OFF OF ROOF. 8 TO 10 INCH DIAMETER TREE BRANCHES DOWN. |
| Jul 24, 7:15 PM CDT | HAIL 1.75 | 7 Ne Goodridge, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 0.1 hours before the alert went out and 184 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
- 99 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1295 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
997
WFUS53 KFGF 250008
TORFGF
MNC007-029-089-113-119-250100-
/O.NEW.KFGF.TO.W.0052.110725T0008Z-110725T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
708 PM CDT SUN JUL 24 2011
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
WEST CENTRAL BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA...
NORTHWESTERN CLEARWATER COUNTY IN NORTHWEST MINNESOTA...
SOUTHEASTERN MARSHALL COUNTY IN NORTHWEST MINNESOTA...
EASTERN PENNINGTON COUNTY IN NORTHWEST MINNESOTA...
EAST CENTRAL POLK COUNTY IN NORTHWEST MINNESOTA...
* UNTIL 800 PM CDT
* AT 704 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM WAS
LOCATED 6 MILES WEST OF ESPELIE...OR 19 MILES NORTHEAST OF THIEF
RIVER FALLS...MOVING TO THE SOUTHEAST AT 30 MPH.
* THE TORNADIC STORM WILL BE NEAR...
ESPELIE AROUND 715 PM CDT.
HIGH LANDING AROUND 720 PM CDT.
BERNER AROUND 800 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.
&&
LAT...LON 4777 9554 4791 9571 4796 9571 4796 9577
4820 9604 4838 9574 4803 9507
TIME...MOT...LOC 0009Z 311DEG 27KT 4821 9576
$$
ROGERS2 follow-up statements
227
WWUS53 KFGF 250029
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
729 PM CDT SUN JUL 24 2011
MNC007-029-089-113-119-250100-
/O.CON.KFGF.TO.W.0052.000000T0000Z-110725T0100Z/
PENNINGTON MN-BELTRAMI MN-CLEARWATER MN-POLK MN-MARSHALL MN-
729 PM CDT SUN JUL 24 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL BELTRAMI
COUNTY IN NORTH CENTRAL MINNESOTA...AND SOUTHEASTERN MARSHALL...EAST
CENTRAL POLK...NORTHWESTERN CLEARWATER AND EASTERN PENNINGTON
COUNTIES IN NORTHWEST MINNESOTA UNTIL 800 PM CDT...
AT 727 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES SOUTHEAST
OF ESPELIE...OR 26 MILES EAST OF THIEF RIVER FALLS...MOVING TO THE
SOUTHEAST AT 30 MPH.
THE TORNADIC STORM WILL AFFECT MAINLY RURAL AREAS OF EAST CENTRAL
POLK...EASTERN PENNINGTON...NORTHWESTERN CLEARWATER...SOUTHEASTERN
MARSHALL AND WEST CENTRAL BELTRAMI COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.
&&
LAT...LON 4777 9554 4791 9571 4796 9571 4797 9578
4811 9594 4830 9559 4803 9507
TIME...MOT...LOC 0029Z 306DEG 25KT 4813 9559
$$
ROGERS586 WWUS53 KFGF 250045 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 745 PM CDT SUN JUL 24 2011 MNC089-119-250055- /O.CAN.KFGF.TO.W.0052.000000T0000Z-110725T0100Z/ POLK MN-MARSHALL MN- 745 PM CDT SUN JUL 24 2011 ...THE TORNADO WARNING FOR SOUTHEASTERN MARSHALL AND EAST CENTRAL POLK COUNTIES IN NORTHWEST MINNESOTA IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4783 9542 4812 9572 4824 9548 4803 9507 TIME...MOT...LOC 0045Z 306DEG 25KT 4806 9546 $$ MNC007-029-113-250100- /O.CON.KFGF.TO.W.0052.000000T0000Z-110725T0100Z/ PENNINGTON MN-BELTRAMI MN-CLEARWATER MN- 745 PM CDT SUN JUL 24 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA...AND NORTHWESTERN CLEARWATER AND NORTHEASTERN PENNINGTON COUNTIES IN NORTHWEST MINNESOTA UNTIL 800 PM CDT... AT 740 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES SOUTHWEST OF JELLE...OR 31 MILES EAST OF THIEF RIVER FALLS...MOVING TO THE SOUTHEAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF NORTHERN CLEARWATER...NORTHERN CLEARWATER AND NORTHWESTERN CLEARWATER COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4783 9542 4812 9572 4824 9548 4803 9507 TIME...MOT...LOC 0045Z 306DEG 25KT 4806 9546 $$ ROGERS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 9:09 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Polk | 66 min |
Nearby
Tornado Warnings in Minnesota, 2011Every tornado warning in 2011Tornadoes in 2011
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.