Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 151, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 15, 2011, 3:34 PM CDT for 4 counties in Minnesota. It was in force for 26 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 15, 2011, 3:34 PM CDT (20:34 UTC)
- Expired
- Jul 15, 2011, 4:00 PM CDT
- In force
- 26 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Freeborn County, MN, Rice County, MN, Steele County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 94 km from the middle of the area, began a volume at 20:33 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, 8.6 hours before the alert went out and 95 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
- 1183 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
692
WUUS53 KMPX 152034
SVRMPX
MNC047-131-147-161-152100-
/O.NEW.KMPX.SV.W.0151.110715T2034Z-110715T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
334 PM CDT FRI JUL 15 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...
SOUTHERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
EASTERN WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...
* UNTIL 400 PM CDT
* AT 333 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM MORRISTOWN TO 6
MILES WEST OF OWATONNA TO 6 MILES NORTHWEST OF CLARKS GROVE...AND
MOVING EAST AT 45 MPH.
LOCATIONS IN THE WARNING INCLUDE...
OWATONNA...
FARIBAULT...
NEW RICHLAND...
MANCHESTER...
MORRISTOWN...
DEERFIELD...
WARSAW...
ELLENDALE...
CLARKS GROVE...
GENEVA...
MEDFORD...
STEELE CENTER...
HOLLANDALE...
BIXBY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4373 9358 4405 9345 4420 9356 4420 9353
4432 9352 4432 9304 4385 9303 4372 9305
TIME...MOT...LOC 2034Z 271DEG 39KT 4425 9348 4405 9332
4381 9341
WIND...HAIL 60MPH <.75IN
$$1 follow-up statement
688
WWUS53 KMPX 152049
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
349 PM CDT FRI JUL 15 2011
MNC161-152104-
/O.CAN.KMPX.SV.W.0151.000000T0000Z-110715T2100Z/
WASECA MN-
349 PM CDT FRI JUL 15 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WASECA COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THE WARNED AREA.
LAT...LON 4374 9343 4385 9341 4401 9340 4420 9341
4420 9353 4432 9352 4432 9304 4385 9303
4372 9305
TIME...MOT...LOC 2049Z 271DEG 39KT 4424 9325 4404 9309
4380 9319
$$
MNC047-131-147-152100-
/O.CON.KMPX.SV.W.0151.000000T0000Z-110715T2100Z/
FREEBORN MN-RICE MN-STEELE MN-
349 PM CDT FRI JUL 15 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR STEELE...
SOUTHERN RICE AND NORTHEASTERN FREEBORN COUNTIES UNTIL 400 PM CDT...
AT 347 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
FARIBAULT TO 6 MILES SOUTHEAST OF OWATONNA TO GENEVA...MOVING EAST AT
45 MPH.
LOCATIONS IMPACTED INCLUDE...
BIXBY...RUSKIN...BLOOMING PRAIRIE...MERTON AND MOLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4374 9343 4385 9341 4401 9340 4420 9341
4420 9353 4432 9352 4432 9304 4385 9303
4372 9305
TIME...MOT...LOC 2049Z 271DEG 39KT 4424 9325 4404 9309
4380 9319
WIND...HAIL 60MPH <.75IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:40 AM CDT | Excessive Heat Watch | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 36 hr |
| Jul 15, 4:58 AM CDT | Severe Thunderstorm Warning | MPX | Douglas | 62 min |
| Jul 15, 5:55 AM CDT | Areal Flood Advisory | MPX | Douglas, Todd | 3 hr |
| Jul 15, 6:13 AM CDT | Special Weather Statement | MPX | Todd | 62 min |
| Jul 15, 6:19 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Stearns, Todd | 56 min |
| Jul 15, 6:44 AM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 61 min |
| Jul 15, 6:50 AM CDT | Severe Thunderstorm Warning | MPX | Douglas | 55 min |
| Jul 15, 7:05 AM CDT | Severe Thunderstorm Warning | MPX | Stearns | 55 min |
| Jul 15, 7:11 AM CDT | Special Weather Statement | MPX | Morrison | 79 min |
| Jul 15, 7:33 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stearns, Todd | 57 min |
| Jul 15, 8:14 AM CDT | Flash Flood Warning | MPX | Douglas, Todd | 3 hr |
| Jul 15, 8:37 AM CDT | Special Weather Statement | MPX | Stearns | 53 min |
| Jul 15, 8:51 AM CDT | Flash Flood Warning | MPX | Pope, Stearns | 3 hr |
| Jul 15, 9:00 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns, Wright | 45 min |
| Jul 15, 9:36 AM CDT | River Flood Warning | MPX | Todd | 5 days |
| Jul 15, 10:12 AM CDT | Special Weather Statement | MPX | Anoka, Hennepin, Sherburne, Wright | 63 min |
| Jul 15, 11:07 AM CDT | Special Weather Statement | MPX | Freeborn, Steele | 38 min |
| Jul 15, 12:41 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice | 52 min |
| Jul 15, 12:52 PM CDT | Flood Watch | MPX | Anoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 22 more | 13 hr |
| Jul 15, 2:45 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet, Waseca | 44 min |
| Jul 15, 3:09 PM CDT | Areal Flood Advisory | MPX | Blue Earth, Carver, Le Sueur, Nicollet, Rice, Scott and 2 more | 3 hr |
| Jul 15, 3:20 PM CDT | Special Weather Statement | MPX | Freeborn, Le Sueur, Rice, Steele, Waseca | 55 min |
| Jul 15, 3:35 PM CDT | Flash Flood Warning | MPX | Dakota, Le Sueur, Rice, Scott, Steele, Waseca | 3 hr |
| Jul 15, 3:46 PM CDT | Excessive Heat Warning | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 5 days |
| Jul 15, 3:50 PM CDT | Flash Flood Warning | MPX | Dakota, Goodhue, Rice | 3 hr |
| Jul 15, 4:55 PM CDT | Areal Flood Advisory | MPX | Faribault, Freeborn, Steele, Waseca | 3 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning in 2011
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.