Alert archive / Minnesota / Tornado Warnings in 2007
Tornado Warning 23, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 8, 2007, 5:51 PM CDT for Polk County, Minnesota. It was in force for 54 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 8, 2007, 5:51 PM CDT (22:51 UTC)
- Expired
- Jul 8, 2007, 6:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Polk County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 58 km from the middle of the area, began a volume at 22:53 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, 10.9 hours before the alert went out and 274 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
- 28 J/kg
- Mixed-layer CIN
- -396 J/kg
- Mixed-layer LCL
- 1296 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -87 m²/s²
- 0-3 km storm-relative helicity
- -27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 082252 TORFGF MNC119-082345- /O.NEW.KFGF.TO.W.0023.070708T2251Z-070708T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 551 PM CDT SUN JUL 8 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL POLK COUNTY IN NORTHWEST MINNESOTA... * UNTIL 645 PM CDT * AT 548 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES NORTHEAST OF EAST GRAND FORKS...OR 7 MILES NORTHEAST OF GRAND FORKS...MOVING TO THE SOUTHEAST AT 30 MPH. * THE TORNADO WILL BE NEAR... KEY WEST AT 600 PM CDT... DAVIDSON AT 605 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4804 9692 4800 9702 4782 9689 4791 9669 $$ GUST/SPEICHER --@WWATOR.WWAPROD--
2 follow-up statements
000 WWUS53 KFGF 082319 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 619 PM CDT SUN JUL 8 2007 MNC119-082345- /O.CON.KFGF.TO.W.0023.000000T0000Z-070708T2345Z/ POLK MN- 619 PM CDT SUN JUL 8 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR CENTRAL POLK COUNTY... AT 619 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 3 MILES NORTHEAST OF FISHER...OR 16 MILES SOUTHEAST OF GRAND FORKS... MOVING TO THE SOUTHEAST AT 30 MPH. * THE TORNADO WILL BE NEAR... CROOKSTON BY 630 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4793 9672 4785 9688 4763 9676 4776 9647 $$ SPEICHER
000 WWUS53 KFGF 082342 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 642 PM CDT SUN JUL 8 2007 MNC119-082352- /O.EXP.KFGF.TO.W.0023.000000T0000Z-070708T2345Z/ POLK MN- 642 PM CDT SUN JUL 8 2007 ...THE TORNADO WARNING FOR CENTRAL POLK COUNTY WILL EXPIRE AT 645 PM CDT... AT 640 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM LOCATED 3 MILES NORTHWEST OF HAROLD...OR 27 MILES SOUTHEAST OF GRAND FORKS...MOVING TO THE SOUTHEAST AT 25 MPH. THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED TORNADIC. SO THE WARNING WILL BE ALLOWED TO EXPIRE AT 645 PM CDT. LAT...LON 4793 9672 4785 9688 4763 9676 4776 9647 $$ SPEICHER
Nearby
Tornado Warnings in Minnesota, 2007Every tornado warning in 2007Tornadoes in 2007
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.