Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 188, NWS Twin Cities, MN

August 4, 2016Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 4, 2016, 2:40 AM CDT for Morrison County, Todd County, Minnesota. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 4, 2016, 2:40 AM CDT (07:40 UTC)
Expired: Aug 4, 2016, 3:30 AM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.88 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 07:42 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.

What was reported inside it

Time	Report	Where	Remark
Aug 4, 2:50 AM CDT	TSTM WND DMG	Long Prairie, MN	CITY POLICE REPORTED NUMEROUS TREES DOWN IN LONG PRAIRIE, MOSTLY IN THE SOUTH AND NORTHEAST PARTS OF TOWN, AS WELL AS DOWNTOWN. ONE TREE LANDED ON A HOUSE. MATERIAL WAS BLOWN FROM SOME DOWNTOWN ROOFS, DAMAGING ADJACENT BUILDINGS. A SIGN WAS RIPPED OFF A STOREF

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 3, 10:59 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.7 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: 1240 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 1342 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

428 
WUUS53 KMPX 040740
SVRMPX
MNC097-153-040830-
/O.NEW.KMPX.SV.W.0188.160804T0740Z-160804T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
240 AM CDT THU AUG 4 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 330 AM CDT

* AT 240 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR MOTLEY TO NEAR LONG PRAIRIE...MOVING EAST AT 45
  MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  MOTLEY AROUND 245 AM CDT. 
  SWANVILLE AROUND 250 AM CDT. 
  FLENSBURG AROUND 255 AM CDT. 
  RANDALL AROUND 300 AM CDT. 
  LITTLE FALLS AND CROW WING STATE PARK AROUND 305 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
CUSHING...LITTLE FALLS AIRPORT...ROUND PRAIRIE...LONG PRAIRIE
AIRPORT... SOBIESKI...PHILBROOK AND CAMP RIPLEY JUNCTION.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 U.S. HIGHWAY 10 IN MINNESOTA BETWEEN MILE MARKERS 107 AND 153.
 U.S. HIGHWAY 71 BETWEEN MILE MARKERS 181 AND 196.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4635 9470 4636 9467 4631 9455 4633 9443
      4629 9435 4627 9434 4623 9440 4621 9440
      4616 9437 4615 9429 4587 9428 4589 9496
      4637 9482 4637 9474
TIME...MOT...LOC 0740Z 274DEG 39KT 4638 9470 4599 9477 

HAIL...0.88IN
WIND...60MPH
 
$$

JRB

3 follow-up statements

056 
WWUS53 KMPX 040801
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
301 AM CDT THU AUG 4 2016

MNC097-153-040830-
/O.CON.KMPX.SV.W.0188.000000T0000Z-160804T0830Z/
TODD MN-MORRISON MN-
301 AM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR SOUTHEASTERN TODD AND WESTERN MORRISON COUNTIES...

AT 300 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR SYLVAN TO NEAR FLENSBURG...MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  CROW WING STATE PARK AROUND 305 AM CDT. 
  LITTLE FALLS AROUND 310 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
SOBIESKI...CUSHING...LITTLE FALLS AIRPORT AND CAMP RIPLEY JUNCTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4636 9467 4631 9455 4633 9443 4629 9435
      4627 9434 4623 9440 4621 9440 4616 9437
      4615 9429 4587 9428 4588 9478
TIME...MOT...LOC 0800Z 274DEG 39KT 4636 9439 4597 9446 

HAIL...0.88IN
WIND...60MPH
 
$$

JRB

192 
WWUS53 KMPX 040809
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
309 AM CDT THU AUG 4 2016

MNC153-040819-
/O.CAN.KMPX.SV.W.0188.000000T0000Z-160804T0830Z/
TODD MN-
309 AM CDT THU AUG 4 2016

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

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA AND THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT FOR
CENTRAL MINNESOTA.

LAT...LON 4629 9435 4627 9434 4623 9440 4616 9437
      4615 9429 4587 9428 4588 9465 4633 9459
      4631 9455 4631 9451 4633 9443
TIME...MOT...LOC 0809Z 269DEG 38KT 4634 9431 4595 9438 

$$

MNC097-040830-
/O.CON.KMPX.SV.W.0188.000000T0000Z-160804T0830Z/
MORRISON MN-
309 AM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR WESTERN MORRISON COUNTY...

AT 309 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BAXTER TO LITTLE FALLS AIRPORT...MOVING EAST AT 45
MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY RURAL AREAS OF
WESTERN MORRISON COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
SOBIESKI... CUSHING...LITTLE FALLS AIRPORT AND CAMP RIPLEY JUNCTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4629 9435 4627 9434 4623 9440 4616 9437
      4615 9429 4587 9428 4588 9465 4633 9459
      4631 9455 4631 9451 4633 9443
TIME...MOT...LOC 0809Z 269DEG 38KT 4634 9431 4595 9438 

HAIL...0.88IN
WIND...60MPH
 
$$

JRB

928 
WWUS53 KMPX 040824
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
324 AM CDT THU AUG 4 2016

MNC097-040834-
/O.EXP.KMPX.SV.W.0188.000000T0000Z-160804T0830Z/
MORRISON MN-
324 AM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN MORRISON COUNTY WILL
EXPIRE AT 330 AM CDT...

THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND THEREFORE
THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT FOR
CENTRAL MINNESOTA.

LAT...LON 4629 9435 4627 9434 4623 9440 4616 9437
      4615 9429 4587 9428 4588 9465 4633 9459
      4631 9455 4631 9451 4633 9443
TIME...MOT...LOC 0823Z 274DEG 39KT 4634 9431 4595 9438 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 1:37 AM CDT	Special Weather Statement	MPX	Douglas, Pope, Stevens	53 min
Aug 4, 2:08 AM CDT	Special Weather Statement	MPX	Todd	67 min
Aug 4, 2:33 AM CDT	Special Weather Statement	MPX	Morrison	57 min
Aug 4, 3:23 AM CDT	Special Weather Statement	MPX	Mille Lacs	52 min
Aug 4, 3:46 AM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs	44 min
Aug 4, 5:18 AM CDT	Special Weather Statement	MPX	Yellow Medicine	42 min
Aug 4, 5:34 AM CDT	Special Weather Statement	MPX	Wright	41 min
Aug 4, 5:49 AM CDT	Special Weather Statement	MPX	Yellow Medicine	56 min
Aug 4, 6:02 AM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Wright	28 min
Aug 4, 6:10 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood, Renville, Yellow Medicine	50 min
Aug 4, 6:52 AM CDT	Special Weather Statement	MPX	Carver, Hennepin, Ramsey, Washington	53 min
Aug 4, 7:31 AM CDT	Special Weather Statement	MPX	Carver, Dakota, Hennepin, Le Sueur, Ramsey, Rice and 2 more	59 min
Aug 4, 7:52 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Wright	26 min
Aug 4, 8:18 AM CDT	Special Weather Statement	MPX	Anoka	27 min
Aug 4, 8:35 AM CDT	Special Weather Statement	MPX	Chisago	25 min
Aug 4, 12:53 PM CDT	Severe Thunderstorm Warning	MPX	Steele	22 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016 Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.