Alert archive / Minnesota / Tornado Warnings in 2007
Tornado Warning 35, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at May 29, 2007, 5:12 PM CDT for Cottonwood County, Minnesota. It was in force for 33 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
- May 29, 2007, 5:12 PM CDT (22:12 UTC)
- Expired
- May 29, 2007, 5:45 PM CDT
- In force
- 33 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
County Cottonwood County, MN
The radar
The Sioux Falls radar (KFSD), 137 km from the middle of the area, began a volume at 22:12 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
Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 152 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
- 574 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 867 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KFSD 292213
TORFSD
MNC033-292245-
/O.NEW.KFSD.TO.W.0035.070529T2212Z-070529T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
512 PM CDT TUE MAY 29 2007
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* TORNADO WARNING FOR...
COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA
* UNTIL 545 PM CDT
* AT 512 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
TWO SEVERE THUNDERSTORMS PRODUCING A BRIEF TORNADOES 15 MILES
SOUTH OF JEFFERS...OR ABOUT 7 MILES WEST OF WINDOM...MOVING NORTH
AT 25 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DELFT AND
JEFFERS.
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IMMEDIATELY.
LAT...LON 4387 9529 4394 9505 4411 9494 4411 9511
4420 9511 4420 9519
$$
SCHUMACHER2 follow-up statements
000
WWUS53 KFSD 292232
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
531 PM CDT TUE MAY 29 2007
MNC033-292245-
/O.CON.KFSD.TO.W.0035.000000T0000Z-070529T2245Z/
COTTONWOOD MN-
531 PM CDT TUE MAY 29 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
COTTONWOOD COUNTY...
AT 531 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A BRIEF TORNADO. THIS
STORM WAS LOCATED 7 MILES SOUTHWEST OF DELFT...OR ABOUT 7 MILES
NORTHWEST OF WINDOM...MOVING NORTH AT 25 MPH.
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IMMEDIATELY.
LAT...LON 4387 9529 4394 9505 4411 9494 4411 9511
4420 9511 4420 9519
$$
SCHUMACHER000
WWUS53 KFSD 292246
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
543 PM CDT TUE MAY 29 2007
MNC033-292253-
/O.EXP.KFSD.TO.W.0035.000000T0000Z-070529T2245Z/
COTTONWOOD MN-
543 PM CDT TUE MAY 29 2007
...THE TORNADO WARNING FOR CENTRAL COTTONWOOD COUNTY EXPIRES AT
545 PM CDT...
THE STORMS HAVE WEAKENED AS THEY MOVED NORTHEAST OVER THE AREA.
LAT...LON 4387 9529 4394 9505 4411 9494 4411 9511
4420 9511 4420 9519
$$
RSRNearby
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.