Alert archive / Minnesota / Tornado Warnings in 2008
Tornado Warning 18, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jun 7, 2008, 3:55 PM CDT for Freeborn County, Minnesota. It was in force for 50 min. 3 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
- Jun 7, 2008, 3:55 PM CDT (20:55 UTC)
- Expired
- Jun 7, 2008, 4:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Freeborn County, MN
The radar
The Minneapolis radar (KMPX), 146 km from the middle of the area, began a volume at 20:58 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 |
|---|---|---|---|
| Jun 7, 4:02 PM CDT | HAIL 0.75 | Emmons, MN | |
| Jun 7, 4:30 PM CDT | HAIL 1 | 2 N Emmons, MN | |
| Jun 7, 4:40 PM CDT | HAIL 0.88 | 4 E Emmons, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.9 hours before the alert went out and 146 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
- 131 J/kg
- Mixed-layer CIN
- -253 J/kg
- Mixed-layer LCL
- 1341 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 318 m²/s²
- 0-3 km storm-relative helicity
- 357 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 KMPX 072054
TORMPX
MNC047-072145-
/O.NEW.KMPX.TO.W.0018.080607T2055Z-080607T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
355 PM CDT SAT JUN 7 2008
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...
* UNTIL 445 PM CDT
* AT 349 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO
IN CENTRAL WINNEBAGO COUNTY IOWA...OR ABOUT 6 MILES SOUTHWEST OF LAKE
MILLS. RADAR SHOWED THE TORNADIC STORM MOVING NORTHEAST AT 45 MPH.
* SOME LOCATIONS INCLUDE...
EMMONS...
TWIN LAKES...
GLENVILLE...
MYRTLE...
LONDON...
VERY LARGE HAIL IS ALSO LIKELY FROM THIS STORM.
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.
LAT...LON 4351 9357 4371 9304 4369 9303 4351 9303
4349 9306 4349 9356 4350 9357
TIME...MOT...LOC 2055Z 245DEG 43KT 4341 9355
$$
TRH3 follow-up statements
000
WWUS53 KMPX 072108
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
408 PM CDT SAT JUN 7 2008
MNC047-072145-
/O.CON.KMPX.TO.W.0018.000000T0000Z-080607T2145Z/
FREEBORN MN-
408 PM CDT SAT JUN 7 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
EXTREME SOUTHEASTERN FREEBORN COUNTY...
AT 406 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED 14 MILES SOUTHWEST OF MYRTLE...OR ABOUT 7 MILES SOUTHEAST
OF EMMONS...AND MOVING EAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE LONDON AND MYRTLE.
THIS STORM HAS A HISTORY OR PRODUCING TORNADOES AND LARGE DAMAGING
HAIL.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 4351 9335 4362 9305 4361 9303 4351 9303
4349 9306 4349 9335
TIME...MOT...LOC 2108Z 250DEG 40KT 4344 9336
$$
TRH000
WWUS53 KMPX 072127
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
427 PM CDT SAT JUN 7 2008
MNC047-072145-
/O.CON.KMPX.TO.W.0018.000000T0000Z-080607T2145Z/
FREEBORN MN-
427 PM CDT SAT JUN 7 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
EXTREME SOUTHEASTERN FREEBORN COUNTY...
AT 423 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 6 MILES
SOUTHWEST OF LONDON...OR ABOUT 5 MILES SOUTH OF MYRTLE...AND MOVING
EAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE LONDON.
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.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL TO GOLF BALL SIZE AND DESTRUCTIVE WINDS.
LAT...LON 4351 9322 4362 9302 4361 9303 4351 9303
4349 9306 4349 9322
TIME...MOT...LOC 2127Z 250DEG 40KT 4351 9309
$$
TRH000
WWUS53 KMPX 072142
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
441 PM CDT SAT JUN 7 2008
MNC047-072151-
/O.EXP.KMPX.TO.W.0018.000000T0000Z-080607T2145Z/
FREEBORN MN-
441 PM CDT SAT JUN 7 2008
...THE TORNADO WARNING FOR EXTREME SOUTHEASTERN FREEBORN COUNTY
EXPIRES AT 445 PM CDT...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED EAST
OF THE AREA. HOWEVER...ADDITIONAL THUNDERSTORMS WERE NEARBY AND
COULD BECOME SEVERE. STAY TUNED FOR FURTHER POSSIBLE WARNINGS.
LAT...LON 4351 9322 4362 9302 4361 9303 4351 9303
4349 9306 4349 9322
TIME...MOT...LOC 2141Z 250DEG 40KT 4356 9289
$$
TRHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 4:15 AM CDT | Flash Flood Watch | MPX | Blue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 6 more | 31 hr |
| Jun 7, 7:08 AM CDT | Severe Thunderstorm Warning | MPX | Martin, Watonwan | 47 min |
| Jun 7, 7:58 AM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 42 min |
| Jun 7, 8:29 AM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 46 min |
| Jun 7, 8:32 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 43 min |
| Jun 7, 8:51 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 43 min |
| Jun 7, 3:39 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 66 min |
Nearby
Tornado Warnings in Minnesota, 2008Every tornado warning in 2008Tornadoes in 2008
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.