Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 118, NWS Twin Cities, MN

August 6, 2015Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 6, 2015, 4:54 PM CDT for Morrison County, Todd County, Minnesota. It was in force for 30 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 6, 2015, 4:54 PM CDT (21:54 UTC)
Expired: Aug 6, 2015, 5:24 PM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Morrison County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 143 km from the middle of the area, began a volume at 21:54 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 6, 3:23 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.9 hours before the alert went out and 141 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: 7 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 960 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 81 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.

734 
WUUS53 KMPX 062154
SVRMPX
MNC097-153-062245-
/O.NEW.KMPX.SV.W.0118.150806T2154Z-150806T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
454 PM CDT THU AUG 6 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 545 PM CDT

* AT 453 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BURTRUM...OR
  19 MILES WEST OF LITTLE FALLS...MOVING EAST AT 25 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  SWANVILLE AROUND 505 PM CDT.
  UPSALA AND FLENSBURG AROUND 515 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
SOBIESKI...BURTRUM...NORTH SHORE AND ELMDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE TWIN CITIES.

&&

LAT...LON 4578 9487 4602 9479 4597 9440 4578 9450
TIME...MOT...LOC 2153Z 280DEG 23KT 4591 9475 

HAIL...0.75IN
WIND...60MPH
 
$$

JLT

3 follow-up statements

196 
WWUS53 KMPX 062206
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
506 PM CDT THU AUG 6 2015

MNC097-153-062245-
/O.CON.KMPX.SV.W.0118.000000T0000Z-150806T2245Z/
MORRISON MN-TODD MN-
506 PM CDT THU AUG 6 2015

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

AT 506 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER SWANVILLE...OR
16 MILES WEST OF LITTLE FALLS...MOVING EAST AT 25 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. 

THIS SEVERE STORM WILL BE NEAR...
  SWANVILLE AROUND 510 PM CDT.
  UPSALA AND FLENSBURG AROUND 520 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
SOBIESKI...BURTRUM...NORTH SHORE AND ELMDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE TWIN CITIES.

&&

LAT...LON 4578 9487 4602 9479 4597 9440 4578 9450
TIME...MOT...LOC 2206Z 280DEG 23KT 4590 9468 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$

JLT

317 
WWUS53 KMPX 062217
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
517 PM CDT THU AUG 6 2015

MNC153-062227-
/O.CAN.KMPX.SV.W.0118.000000T0000Z-150806T2245Z/
TODD MN-
517 PM CDT THU AUG 6 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TODD COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
CENTRAL MINNESOTA.

LAT...LON 4578 9464 4600 9464 4597 9440 4578 9450
TIME...MOT...LOC 2217Z 280DEG 23KT 4589 9458 

$$

MNC097-062245-
/O.CON.KMPX.SV.W.0118.000000T0000Z-150806T2245Z/
MORRISON MN-
517 PM CDT THU AUG 6 2015

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

AT 517 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SWANVILLE...OR
12 MILES SOUTHWEST OF LITTLE FALLS...MOVING EAST AT 25 MPH.

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

SOURCE...RADAR INDICATED. 

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

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHWESTERN MORRISON COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
SOBIESKI AND ELMDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE TWIN CITIES.

&&

LAT...LON 4578 9464 4600 9464 4597 9440 4578 9450
TIME...MOT...LOC 2217Z 280DEG 23KT 4589 9458 

HAIL...0.75IN
WIND...60MPH
 
$$

JLT

637 
WWUS53 KMPX 062224
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
524 PM CDT THU AUG 6 2015

MNC097-062234-
/O.CAN.KMPX.SV.W.0118.000000T0000Z-150806T2245Z/
MORRISON MN-
524 PM CDT THU AUG 6 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MORRISON COUNTY
IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
CENTRAL MINNESOTA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
THE TWIN CITIES.

LAT...LON 4578 9464 4600 9464 4597 9440 4578 9450
TIME...MOT...LOC 2222Z 280DEG 23KT 4589 9456 

$$

JLT

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 3:16 PM CDT	Special Weather Statement	MPX	Douglas, Pope, Todd	59 min
Aug 6, 4:07 PM CDT	Special Weather Statement	MPX	Lac qui Parle	53 min
Aug 6, 4:09 PM CDT	Tornado Warning Tornado observed	MPX	Kandiyohi, Swift	36 min
Aug 6, 4:18 PM CDT	Special Weather Statement	MPX	Todd	42 min
Aug 6, 4:44 PM CDT	Tornado Warning	MPX	Kandiyohi	31 min
Aug 6, 5:13 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	32 min
Aug 6, 5:14 PM CDT	Tornado Warning Tornado observed	MPX	Kandiyohi	31 min
Aug 6, 5:23 PM CDT	Tornado Warning	MPX	Yellow Medicine	37 min
Aug 6, 5:29 PM CDT	Flash Flood Warning	MPX	Kandiyohi	3 hr
Aug 6, 5:45 PM CDT	Tornado Warning	MPX	Kandiyohi	30 min
Aug 6, 5:46 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	44 min
Aug 6, 6:10 PM CDT	Tornado Warning Tornado observed	MPX	Meeker, Stearns	23 min
Aug 6, 6:33 PM CDT	Special Weather Statement	MPX	Redwood, Renville	57 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015 Every severe thunderstorm warning in 2015

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.