Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 161, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 31, 2013, 7:27 PM CDT for 4 counties in Minnesota. It was in force for 33 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
- Aug 31, 2013, 7:27 PM CDT (00:27 UTC)
- Expired
- Aug 31, 2013, 8:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties McLeod County, MN, Nicollet County, MN, Renville County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 88 km from the middle of the area, began a volume at 00:27 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 |
|---|---|---|---|
| Aug 31, 2:49 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 86 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
- 1204 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 1382 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
382
WUUS53 KMPX 010027
SVRMPX
MNC085-103-129-143-010100-
/O.NEW.KMPX.SV.W.0161.130901T0027Z-130901T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
727 PM CDT SAT AUG 31 2013
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN MCLEOD COUNTY IN CENTRAL MINNESOTA...
NORTHWESTERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...
CENTRAL RENVILLE COUNTY IN CENTRAL MINNESOTA...
WESTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 800 PM CDT
* AT 722 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 16 MILES EAST OF OLIVIA TO 9 MILES NORTH OF FORT
RIDGELY STATE PARK TO FORT RIDGELY STATE PARK...AND MOVING
SOUTHEAST AT 30 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE...
GIBBON...ST GEORGE...FERNANDO...LAFAYETTE...WINTHROP AND KLOSSNER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4434 9445 4436 9449 4439 9465 4443 9470
4445 9478 4459 9473 4474 9472 4465 9425
4444 9427 4428 9441
TIME...MOT...LOC 0027Z 295DEG 28KT 4471 9462 4455 9462
4441 9473
HAIL...0.75IN
WIND...60MPH
$$2 follow-up statements
636
WWUS53 KMPX 010042
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
742 PM CDT SAT AUG 31 2013
MNC129-010052-
/O.CAN.KMPX.SV.W.0161.000000T0000Z-130901T0100Z/
RENVILLE MN-
742 PM CDT SAT AUG 31 2013
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL RENVILLE COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA.
LAT...LON 4434 9445 4436 9449 4439 9466 4448 9455
4471 9454 4465 9425 4444 9427 4428 9441
TIME...MOT...LOC 0042Z 289DEG 31KT 4464 9440 4448 9441
4434 9452
$$
MNC085-103-143-010100-
/O.CON.KMPX.SV.W.0161.000000T0000Z-130901T0100Z/
MCLEOD MN-NICOLLET MN-SIBLEY MN-
742 PM CDT SAT AUG 31 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
SIBLEY...NORTHWESTERN NICOLLET AND SOUTHWESTERN MCLEOD COUNTIES UNTIL
800 PM CDT...
AT 741 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES NORTHWEST OF GAYLORD TO 11 MILES SOUTHWEST OF
GAYLORD TO NEW ULM...AND MOVING EAST AT 35 MPH.
HAZARD...70 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE
HOMES...ROOFS AND OUTBUILDINGS.
LOCATIONS IMPACTED INCLUDE...
LAFAYETTE...WINTHROP AND KLOSSNER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4434 9445 4436 9449 4439 9466 4448 9455
4471 9454 4465 9425 4444 9427 4428 9441
TIME...MOT...LOC 0042Z 289DEG 31KT 4464 9440 4448 9441
4434 9452
HAIL...0.75IN
WIND...70MPH
$$224
WWUS53 KMPX 010058
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
758 PM CDT SAT AUG 31 2013
MNC085-103-143-010108-
/O.EXP.KMPX.SV.W.0161.000000T0000Z-130901T0100Z/
MCLEOD MN-NICOLLET MN-SIBLEY MN-
758 PM CDT SAT AUG 31 2013
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SIBLEY...NORTHWESTERN
NICOLLET AND SOUTHWESTERN MCLEOD COUNTIES HAS BEEN REISSUED...
PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.
LAT...LON 4434 9445 4436 9449 4439 9466 4448 9455
4471 9454 4465 9425 4444 9427 4428 9441
TIME...MOT...LOC 0058Z 289DEG 31KT 4459 9422 4443 9423
4429 9434
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 7:33 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Watonwan | 42 min |
| Aug 31, 7:52 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Nicollet, Sibley | 38 min |
| Aug 31, 8:30 PM CDT | Special Weather Statement | MPX | Le Sueur, Rice | 45 min |
| Aug 31, 11:57 PM CDT | Special Weather Statement | MPX | Blue Earth | 63 min |
| Sep 1, 12:06 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet | 39 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2013Every severe thunderstorm warning in 2013
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.