Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 217, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 17, 2008, 10:56 AM CDT for Freeborn County, Steele County, Minnesota. It was in force for 64 min. 1 report 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
- Jul 17, 2008, 10:56 AM CDT (15:56 UTC)
- Expired
- Jul 17, 2008, 12:00 PM CDT
- In force
- 64 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Freeborn County, MN, Steele County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 11:00 AM CDT | TSTM WND DMG | Ese Steele Center, MN | 24 INCH DIAMETER TREE DOWN. TIME IS ESTIMATED. |
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, 3.9 hours before the alert went out and 109 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
- 1196 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 931 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 171556
SVRMPX
MNC047-147-171700-
/O.NEW.KMPX.SV.W.0217.080717T1556Z-080717T1700Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1056 AM CDT THU JUL 17 2008
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
EASTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...
* UNTIL NOON CDT
* AT 1053 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5
MILES EAST OF MEDFORD TO 5 MILES SOUTH OF OWATONNA TO 4 MILES WEST
OF ELLENDALE...AND MOVING SOUTHEAST AT 32 MPH.
* SOME LOCATIONS INCLUDE...
ELLENDALE...
STEELE CENTER...
CLARKS GROVE...
GENEVA...
BIXBY...
HOLLANDALE...
BLOOMING PRAIRIE...
GLENVILLE...
MYRTLE...
LONDON...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
THURSDAY EVENING FOR SOUTHEASTERN MINNESOTA AND WEST CENTRAL
WISCONSIN.
LAT...LON 4420 9304 4351 9306 4350 9332 4389 9340
4420 9330
TIME...MOT...LOC 1556Z 305DEG 28KT 4416 9312 4400 9322
4388 9334
$$3 follow-up statements
000
WWUS53 KMPX 171622
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1122 AM CDT THU JUL 17 2008
MNC047-147-171700-
/O.CON.KMPX.SV.W.0217.000000T0000Z-080717T1700Z/
STEELE MN-FREEBORN MN-
1122 AM CDT THU JUL 17 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
EASTERN FREEBORN AND SOUTHERN STEELE COUNTIES...
AT 1118 AM CDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM 3 MILES SOUTH OF BIXBY TO 4 MILES NORTH OF
HOLLANDALE TO CLARKS GROVE...AND MOVING SOUTHEAST AT 32 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE STEELE CENTER...BIXBY...
MYRTLE...HOLLANDALE...HAYWARD...GLENVILLE...GENEVA...ELLENDALE AND
CLARKS GROVE.
PREPARE IMMEDIATELY FOR DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
THURSDAY EVENING FOR SOUTHEASTERN MINNESOTA AND WEST CENTRAL
WISCONSIN.
LAT...LON 4377 9337 4384 9339 4385 9338 4389 9340
4395 9337 4397 9305 4351 9306 4350 9332
TIME...MOT...LOC 1622Z 305DEG 28KT 4388 9303 4380 9314
4377 9331
$$000
WWUS53 KMPX 171651
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1151 AM CDT THU JUL 17 2008
MNC147-171701-
/O.CAN.KMPX.SV.W.0217.000000T0000Z-080717T1700Z/
STEELE MN-
1151 AM CDT THU JUL 17 2008
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN STEELE COUNTY IS
CANCELLED...
RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED. THEREFORE...THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
THURSDAY EVENING FOR SOUTHEASTERN MINNESOTA AND WEST CENTRAL
WISCONSIN.
LAT...LON 4378 9337 4379 9336 4381 9322 4377 9322
4381 9307 4351 9306 4350 9332
TIME...MOT...LOC 1651Z 305DEG 28KT 4366 9306 4360 9318
4351 9325
$$
MNC047-171700-
/O.CON.KMPX.SV.W.0217.000000T0000Z-080717T1700Z/
FREEBORN MN-
1151 AM CDT THU JUL 17 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
EASTERN FREEBORN COUNTY...
AT 1148 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 8 MILES EAST OF HAYWARD TO 3 MILES SOUTHEAST OF HAYWARD TO 3
MILES SOUTH OF GLENVILLE...AND MOVING SOUTHEAST AT 32 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE MYRTLE...HOLLANDALE...
HAYWARD...GLENVILLE AND CLARKS GROVE.
PREPARE IMMEDIATELY FOR DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
THURSDAY EVENING FOR SOUTHEASTERN MINNESOTA AND WEST CENTRAL
WISCONSIN.
LAT...LON 4378 9337 4379 9336 4381 9322 4377 9322
4381 9307 4351 9306 4350 9332
TIME...MOT...LOC 1651Z 305DEG 28KT 4366 9306 4360 9318
4351 9325
$$000
WWUS53 KMPX 171702
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1202 PM CDT THU JUL 17 2008
MNC047-171712-
/O.EXP.KMPX.SV.W.0217.000000T0000Z-080717T1700Z/
FREEBORN MN-
1202 PM CDT THU JUL 17 2008
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FREEBORN COUNTY
EXPIRED AT NOON CDT...
SEVERE STORMS HAVE ENDED OR MOVED OUT OF COUNTY. HOWEVER...MORE
THUNDERSTORMS WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR
POSSIBLE ADDITIONAL WARNINGS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
THURSDAY EVENING FOR SOUTHEASTERN MINNESOTA AND WEST CENTRAL
WISCONSIN.
LAT...LON 4378 9337 4379 9336 4381 9322 4377 9322
4381 9307 4351 9306 4350 9332
TIME...MOT...LOC 1651Z 305DEG 28KT 4366 9306 4360 9318
4351 9325
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:07 AM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 38 min |
| Jul 17, 7:41 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Watonwan | 49 min |
| Jul 17, 8:44 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 61 min |
| Jul 17, 9:18 AM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice, Steele, Waseca | 57 min |
| Jul 17, 10:40 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Freeborn, Waseca | 65 min |
| Jul 17, 10:46 AM CDT | Areal Flood Advisory | MPX | Blue Earth, Steele, Waseca | 119 min |
| Jul 17, 12:19 PM CDT | Flash Flood Watch | MPX | Blue Earth, Dakota, Faribault, Freeborn, Goodhue, Le Sueur and 5 more | 8 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning 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.