Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 124, NWS Twin Cities, MN

June 10, 2012Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 2012, 4:39 PM CDT for Morrison County, Todd County, Minnesota. It was in force for 66 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: Jun 10, 2012, 4:39 PM CDT (21:39 UTC)
Expired: Jun 10, 2012, 5:45 PM CDT
In force: 66 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Morrison County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 171 km from the middle of the area, began a volume at 21:42 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
Jun 10, 3:03 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.7 hours before the alert went out and 170 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 73 J/kg
Mixed-layer CIN: -424 J/kg
Mixed-layer LCL: 1491 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

059 
WUUS53 KMPX 102139
SVRMPX
MNC097-153-102245-
/O.NEW.KMPX.SV.W.0124.120610T2139Z-120610T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
439 PM CDT SUN JUN 10 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
  TODD COUNTY IN CENTRAL MINNESOTA...

* UNTIL 545 PM CDT

* AT 438 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS
  STORM WAS LOCATED NEAR LITTLE SAUK...OR ABOUT 9 MILES SOUTH OF LONG
  PRAIRIE...AND MOVING NORTHEAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  LONG PRAIRIE...
  STAPLES...
  LITTLE SAUK...
  GREY EAGLE...
  SWANVILLE...
  BROWERVILLE...
  CLARISSA...
  RANDALL...
  CUSHING...
  PHILBROOK...
  MOTLEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4636 9471 4636 9466 4631 9454 4634 9443
      4629 9434 4621 9439 4617 9437 4615 9431
      4577 9480 4577 9493 4582 9507 4638 9495
      4638 9473
TIME...MOT...LOC 2140Z 212DEG 45KT 4588 9490
WIND...HAIL 60MPH 1.00IN

$$

JPC

2 follow-up statements

177 
WWUS53 KMPX 102204
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
504 PM CDT SUN JUN 10 2012

MNC097-153-102245-
/O.CON.KMPX.SV.W.0124.000000T0000Z-120610T2245Z/
MORRISON MN-TODD MN-
504 PM CDT SUN JUN 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN TODD
AND NORTHWESTERN MORRISON COUNTIES UNTIL 545 PM CDT...

AT 502 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MOTLEY TO SWANVILLE...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOTLEY...CUSHING AND RANDALL.

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 4636 9471 4636 9466 4631 9454 4634 9443
      4629 9434 4621 9439 4617 9437 4615 9431
      4577 9480 4638 9479 4638 9473
TIME...MOT...LOC 2203Z 213DEG 46KT 4640 9468 4589 9460
WIND...HAIL 60MPH 1.00IN

$$

JPC

377 
WWUS53 KMPX 102238
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
538 PM CDT SUN JUN 10 2012

MNC153-102253-
/O.CAN.KMPX.SV.W.0124.000000T0000Z-120610T2245Z/
TODD MN-
538 PM CDT SUN JUN 10 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN TODD COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING FOR EASTERN 
TODD COUNTY HAS BEEN CANCELLED.

LAT...LON 4631 9454 4634 9443 4629 9434 4621 9439
      4616 9436 4615 9431 4589 9464 4628 9464
      4635 9466 4635 9464
TIME...MOT...LOC 2238Z 212DEG 45KT 4658 9436 4607 9429

$$

MNC097-102245-
/O.CON.KMPX.SV.W.0124.000000T0000Z-120610T2245Z/
MORRISON MN-
538 PM CDT SUN JUN 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
MORRISON COUNTY UNTIL 545 PM CDT...

AT 535 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 16 MILES NORTH OF PILLAGER TO LITTLE FALLS...MOVING
NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...

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 4631 9454 4634 9443 4629 9434 4621 9439
      4616 9436 4615 9431 4589 9464 4628 9464
      4635 9466 4635 9464
TIME...MOT...LOC 2238Z 212DEG 45KT 4658 9436 4607 9429
WIND...HAIL 60MPH 1.00IN

$$

JPC

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 5:44 AM CDT	Special Weather Statement	MPX	Stevens	31 min
Jun 10, 6:20 AM CDT	Special Weather Statement	MPX	Stevens	25 min
Jun 10, 6:43 AM CDT	Special Weather Statement	MPX	Douglas, Pope	32 min
Jun 10, 2:31 PM CDT	Special Weather Statement	MPX	Morrison	29 min
Jun 10, 3:03 PM CDT	Special Weather Statement	MPX	Douglas	27 min
Jun 10, 3:25 PM CDT	Special Weather Statement	MPX	Todd	35 min
Jun 10, 3:39 PM CDT	Special Weather Statement	MPX	Chippewa, Pope	51 min
Jun 10, 3:47 PM CDT	Severe Thunderstorm Warning	MPX	Pope	43 min
Jun 10, 3:55 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison, Stearns	31 min
Jun 10, 3:57 PM CDT	Special Weather Statement	MPX	Redwood, Renville	63 min
Jun 10, 4:01 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Swift	29 min
Jun 10, 4:23 PM CDT	Special Weather Statement	MPX	Stearns, Todd	67 min
Jun 10, 4:54 PM CDT	Special Weather Statement	MPX	Kandiyohi, Meeker, Renville	36 min
Jun 10, 4:58 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Renville	47 min
Jun 10, 5:01 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Morrison, Stearns, Todd	44 min
Jun 10, 5:21 PM CDT	Special Weather Statement	MPX	Brown	39 min
Jun 10, 5:28 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Meeker, Morrison, Sherburne, Stearns, Wright	62 min
Jun 10, 5:49 PM CDT	Severe Thunderstorm Warning	MPX	Brown, McLeod, Nicollet, Renville, Sibley	56 min
Jun 10, 6:33 PM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Martin, Watonwan	57 min
Jun 10, 6:33 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Isanti, Kanabec, Mille Lacs, Morrison, Sherburne	57 min
Jun 10, 6:37 PM CDT	Special Weather Statement	MPX	Anoka, Carver, Hennepin, Wright	53 min
Jun 10, 6:57 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	48 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2012 Every 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; radar from the NEXRAD Level II archive.