Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 51, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 24, 2011, 6:59 PM CDT for 4 counties in Minnesota. It was in force for 46 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 24, 2011, 6:59 PM CDT (23:59 UTC)
- Expired
- Jul 24, 2011, 7:45 PM CDT
- In force
- 46 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Marshall County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 107 km from the middle of the area, began a volume at 00:04 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 nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 12.0 hours before the alert went out and 223 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
- 481 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
094 WFUS53 KFGF 242359 TORFGF MNC089-113-119-125-250045- /O.NEW.KFGF.TO.W.0051.110724T2359Z-110725T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 659 PM CDT SUN JUL 24 2011 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... CENTRAL MARSHALL COUNTY IN NORTHWEST MINNESOTA... WESTERN PENNINGTON COUNTY IN NORTHWEST MINNESOTA... NORTH CENTRAL POLK COUNTY IN NORTHWEST MINNESOTA... CENTRAL RED LAKE COUNTY IN NORTHWEST MINNESOTA... * UNTIL 745 PM CDT * AT 654 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM WAS LOCATED NEAR OLD MILL STATE PARK...OR 25 MILES NORTHWEST OF THIEF RIVER FALLS...MOVING TO THE SOUTHEAST AT 30 MPH. * THE TORNADIC STORM WILL BE NEAR... RADIUM AND NEWFOLDEN AROUND 705 PM CDT. VIKING AROUND 715 PM CDT. HOLT AND CARPENTERS CORNER AROUND 720 PM CDT. ROSEWOOD AROUND 725 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORM INCLUDE DAKOTA JUNCTION...THIEF RIVER FALLS AND RED LAKE FALLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4809 9586 4786 9631 4832 9680 4852 9646 TIME...MOT...LOC 2359Z 321DEG 28KT 4832 9654 $$ ROGERS
1 follow-up statement
461 WWUS53 KFGF 250027 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 727 PM CDT SUN JUL 24 2011 MNC089-113-119-125-250045- /O.CON.KFGF.TO.W.0051.000000T0000Z-110725T0045Z/ PENNINGTON MN-RED LAKE MN-POLK MN-MARSHALL MN- 727 PM CDT SUN JUL 24 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL MARSHALL... NORTH CENTRAL POLK...CENTRAL RED LAKE AND WESTERN PENNINGTON COUNTIES IN NORTHWEST MINNESOTA UNTIL 745 PM CDT... AT 722 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES NORTHEAST OF VIKING...OR 12 MILES NORTHWEST OF THIEF RIVER FALLS...MOVING TO THE SOUTHEAST AT 30 MPH. THE TORNADIC STORM WILL BE NEAR... DAKOTA JUNCTION AROUND 740 PM CDT. THIEF RIVER FALLS...RED LAKE FALLS AND WYLIE AROUND 745 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORM INCLUDE ST. HILAIRE...MAVIE AND HAZEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4839 9629 4809 9586 4786 9631 4819 9666 TIME...MOT...LOC 0027Z 310DEG 26KT 4821 9633 $$ ROGERS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:35 AM CDT | Dense Fog Advisory | FGF | Kittson, Marshall, Polk | 5 hr |
| Jul 24, 6:23 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 67 min |
| Jul 24, 6:46 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Marshall, Pennington | 59 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.