Alert archive / Minnesota / Tornado Warnings in 2009
Tornado Warning 17, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jun 21, 2009, 9:07 PM CDT for Freeborn County, Minnesota. It was in force for 53 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
- Jun 21, 2009, 9:07 PM CDT (02:07 UTC)
- Expired
- Jun 21, 2009, 10:00 PM CDT
- In force
- 53 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Freeborn County, MN
The radar
The Minneapolis radar (KMPX), 124 km from the middle of the area, began a volume at 02:09 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 21, 3:17 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.1 hours before the alert went out and 124 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
- 278 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 487 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 347 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KMPX 220207 TORMPX MNC047-220300- /O.NEW.KMPX.TO.W.0017.090622T0207Z-090622T0300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 907 PM CDT SUN JUN 21 2009 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA... * UNTIL 1000 PM CDT * AT 906 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR MANCHESTER...OR ABOUT OVER MANCHESTER. RADAR SHOWED THE TORNADIC STORM MOVING NORTHEAST AT 15 MPH. * LOCATIONS IN THE WARNING INCLUDE... MANCHESTER... ALBERT LEA... CLARKS GROVE... HAYWARD... PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING FOR SOUTH CENTRAL MINNESOTA. && LAT...LON 4385 9329 4364 9314 4363 9345 4377 9353 TIME...MOT...LOC 0207Z 244DEG 11KT 4372 9345 $$ JLT
2 follow-up statements
000 WWUS53 KMPX 220226 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 926 PM CDT SUN JUN 21 2009 MNC047-220300- /O.CON.KMPX.TO.W.0017.000000T0000Z-090622T0300Z/ FREEBORN MN- 926 PM CDT SUN JUN 21 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHERN FREEBORN COUNTY... AT 926 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 3 MILES SOUTHWEST OF CLARKS GROVE...AND MOVING EAST AT 15 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE...CLARKS GROVE AND HAYWARD. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OR PRODUCING TORNADOES. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING FOR SOUTH CENTRAL MINNESOTA. && LAT...LON 4385 9329 4364 9314 4363 9345 4377 9353 TIME...MOT...LOC 0226Z 255DEG 14KT 4373 9336 $$ JLT
000 WWUS53 KMPX 220255 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 955 PM CDT SUN JUN 21 2009 MNC047-220304- /O.EXP.KMPX.TO.W.0017.000000T0000Z-090622T0300Z/ FREEBORN MN- 955 PM CDT SUN JUN 21 2009 ...THE TORNADO WARNING FOR NORTHERN FREEBORN COUNTY EXPIRES AT 1000 PM CDT... TORNADIC SEVERE STORMS WERE ABOUT TO MOVE OUT OF NORTHERN FREEBORN COUNTY. HOWEVER...MORE THUNDERSTORMS WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR ADDITIONAL WARNINGS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING FOR SOUTH CENTRAL MINNESOTA. LAT...LON 4385 9329 4364 9314 4363 9345 4377 9353 TIME...MOT...LOC 0254Z 255DEG 14KT 4376 9321 $$ JLT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:15 PM CDT | Special Weather Statement | MPX | Waseca | 45 min |
| Jun 21, 7:25 PM CDT | Tornado Warning | MPX | Blue Earth, Faribault, Freeborn, Waseca | 65 min |
| Jun 21, 7:27 PM CDT | Tornado Warning | MPX | Blue Earth, Waseca | 33 min |
| Jun 21, 8:08 PM CDT | Tornado Warning | MPX | Faribault, Freeborn | 67 min |
| Jun 21, 8:19 PM CDT | Areal Flood Advisory | MPX | Faribault | 3 hr |
| Jun 21, 8:28 PM CDT | Tornado Warning | MPX | Faribault, Freeborn | 32 min |
| Jun 21, 9:04 PM CDT | Areal Flood Advisory | MPX | Freeborn | 4 hr |
| Jun 21, 9:20 PM CDT | Tornado Warning | MPX | Freeborn | 40 min |
| Jun 21, 9:59 PM CDT | Tornado Warning | MPX | Freeborn | 34 min |
| Jun 21, 10:44 PM CDT | Special Weather Statement | MPX | Freeborn | 31 min |
| Jun 22, 3:44 PM CDT | Heat Advisory | MPX | Hennepin, Ramsey | 12 hr |
Nearby
Tornado Warnings in Minnesota, 2009Every tornado warning in 2009Tornadoes in 2009
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.