Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 12, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 10, 2011, 6:46 PM CDT for Benton County, Stearns County, Minnesota. It was in force for 44 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 10, 2011, 6:46 PM CDT (23:46 UTC)
- Expired
- May 10, 2011, 7:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Benton County, MN, Stearns County, MN
The radar
The Minneapolis radar (KMPX), 104 km from the middle of the area, began a volume at 23:47 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 |
|---|---|---|---|
| May 10, 5:53 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.8 hours before the alert went out and 103 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
- 1366 J/kg
- Mixed-layer CIN
- -392 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
461
WUUS53 KMPX 102346
SVRMPX
MNC009-145-110030-
/O.NEW.KMPX.SV.W.0012.110510T2346Z-110511T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
646 PM CDT TUE MAY 10 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN BENTON COUNTY IN CENTRAL MINNESOTA...
EAST CENTRAL STEARNS COUNTY IN CENTRAL MINNESOTA...
* UNTIL 730 PM CDT
* AT 643 PM CDT...TRAINED SPOTTERS REPORTED A SEVERE THUNDERSTORM
WITH QUARTER SIZE HAIL. THIS STORM IS CAPABLE OF HAIL UP TO THE
SIZE OF GOLF BALLS. THIS STORM WAS LOCATED NEAR ST JOSEPH...OR
ABOUT 7 MILES WEST OF ST CLOUD...AND MOVING NORTHEAST AT 25 MPH.
LOCATIONS IN THE WARNING INCLUDE...
SAUK RAPIDS...
SARTELL...
PARENT...
MAYHEW...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. 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.
REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT WEDNESDAY
MORNING FOR EAST CENTRAL MINNESOTA.
&&
LAT...LON 4582 9414 4574 9400 4563 9393 4554 9429
4558 9437
TIME...MOT...LOC 2345Z 220DEG 22KT 4559 9429
WIND...HAIL <50MPH 1.00IN
$$1 follow-up statement
304
WWUS53 KMPX 110015
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
715 PM CDT TUE MAY 10 2011
MNC145-110024-
/O.CAN.KMPX.SV.W.0012.000000T0000Z-110511T0030Z/
STEARNS MN-
715 PM CDT TUE MAY 10 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL STEARNS COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4568 9396 4564 9408 4574 9421 4582 9414
4574 9400
TIME...MOT...LOC 0014Z 220DEG 22KT 4573 9413
$$
MNC009-110030-
/O.CON.KMPX.SV.W.0012.000000T0000Z-110511T0030Z/
BENTON MN-
715 PM CDT TUE MAY 10 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL BENTON
COUNTY UNTIL 730 PM CDT...
AT 714 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL. THIS STORM
WAS LOCATED NEAR MAYHEW...OR 11 MILES NORTH OF ST CLOUD...MOVING
NORTHEAST AT 25 MPH. THIS STORM HAS A HISTORY OF PRODUCING LARGE
HAIL IN ST. JOSEPH.
LOCATIONS IMPACTED INCLUDE...
MAYHEW...
SILVER CORNER...
AND MAINLY RURAL AREAS OF CENTRAL BENTON COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN
SIGNIFICANTLY DAMAGE ROOFS...WINDOWS...SIDING AND VEHICLES. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4568 9396 4564 9408 4574 9421 4582 9414
4574 9400
TIME...MOT...LOC 0014Z 220DEG 22KT 4573 9413
WIND...HAIL <50MPH 1.75IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 4:09 AM CDT | Special Weather Statement | MPX | Benton, Kanabec, Mille Lacs | 36 min |
| May 10, 5:04 AM CDT | Special Weather Statement | MPX | Mille Lacs | 41 min |
| May 10, 6:46 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 44 min |
| May 10, 6:49 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison | 28 min |
| May 10, 6:53 PM CDT | Special Weather Statement | MPX | Carver, Hennepin, Scott, Wright | 52 min |
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.