Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 235, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 25, 2012, 2:00 AM CDT for Morrison County, Todd County, Minnesota. It was in force for 45 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 25, 2012, 2:00 AM CDT (07:00 UTC)
- Expired
- Jul 25, 2012, 2:45 AM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.5 in
- Wind
- 60.0 mph
Counties Morrison County, MN, Todd County, MN
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 24, 9:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 7.0 hours before the alert went out and 175 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
- 1518 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 877 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 392 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 17.7
The text
As transmitted, in the capitals the NWS used until 2016.
057
WUUS53 KMPX 250700
SVRMPX
MNC097-153-250745-
/O.NEW.KMPX.SV.W.0235.120725T0700Z-120725T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
ISSUED BY NATIONAL WEATHER SERVICE DULUTH MN
200 AM CDT WED JUL 25 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
NORTHERN TODD COUNTY IN CENTRAL MINNESOTA...
* UNTIL 245 AM CDT
* AT 200 AM CDT...NATIONAL WEATHER SERVICE DOPPLER 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 10 MILES NORTH OF STAPLES AIRPORT TO 6 MILES WEST OF EAGLE
BEND...AND MOVING EAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
EAGLE BEND...STAPLES...CLARISSA...BROWERVILLE...MOTLEY...RANDALL
AND CAMP RIPLEY JUNCTION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A
SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.
&&
LAT...LON 4636 9470 4636 9464 4631 9455 4634 9442
4629 9434 4626 9434 4623 9439 4617 9436
4615 9409 4603 9416 4611 9516 4628 9517
4638 9509 4638 9473
TIME...MOT...LOC 0700Z 268DEG 41KT 4653 9471 4613 9510
WIND...HAIL 60MPH <.50IN
$$
MILLER2 follow-up statements
139
WWUS53 KMPX 250725
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
ISSUED BY NATIONAL WEATHER SERVICE DULUTH MN
225 AM CDT WED JUL 25 2012
MNC097-153-250745-
/O.CON.KMPX.SV.W.0235.000000T0000Z-120725T0745Z/
TODD MN-MORRISON MN-
225 AM CDT WED JUL 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
MORRISON AND NORTHERN TODD COUNTIES UNTIL 245 AM CDT...
AT 222 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 8 MILES NORTH OF EAST GULL LAKE TO BROWERVILLE...MOVING EAST AT
45 MPH.
LOCATIONS IMPACTED INCLUDE...
RANDALL AND CAMP RIPLEY JUNCTION.
THE STRONGEST WINDS ARE EXPECTED OVER THE FAR NORTHERN PARTS OF TODD
AND MORRISON COUNTIES.
ADDITIONAL STRONG THUNDERSTORMS IN THE PARKERS PRAIRIE AREA WILL
ALSO MOVE INTO WESTERN TODD COUNTY BY 135 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THIS STORM. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.
&&
LAT...LON 4636 9470 4636 9464 4631 9455 4634 9442
4629 9434 4626 9434 4623 9439 4617 9436
4615 9409 4603 9416 4611 9516 4628 9517
4638 9509 4638 9473
TIME...MOT...LOC 0722Z 268DEG 41KT 4652 9440 4613 9480
WIND...HAIL 60MPH <.50IN
$$
MILLER790
WWUS53 KMPX 250747
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
ISSUED BY NATIONAL WEATHER SERVICE DULUTH MN
247 AM CDT WED JUL 25 2012
MNC097-153-250755-
/O.EXP.KMPX.SV.W.0235.000000T0000Z-120725T0745Z/
TODD MN-MORRISON MN-
247 AM CDT WED JUL 25 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MORRISON AND
NORTHERN TODD COUNTIES HAS EXPIRED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS. HOWEVER...GUSTY WINDS UP TO 30 MPH AND VERY HEAVY
RAINFALL IN EXCESS OF AN INCH ARE STILL POSSIBLE WITH THESE
THUNDERSTORMS THROUGH AT LEAST 315 AM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 AM CDT.
LAT...LON 4636 9470 4636 9464 4631 9455 4634 9442
4629 9434 4626 9434 4623 9439 4617 9436
4615 9409 4603 9416 4611 9516 4628 9517
4638 9509 4638 9473
TIME...MOT...LOC 0725Z 268DEG 41KT 4649 9434 4611 9475
$$
MILLERThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 1:23 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 37 min |
| Jul 25, 6:43 PM CDT | Special Weather Statement | MPX | Freeborn | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
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.