Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 44, NWS Twin Cities, MN

June 27, 2015Douglas County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 27, 2015, 9:22 PM CDT for Douglas County, Minnesota. It was in force for 53 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 27, 2015, 9:22 PM CDT (02:22 UTC)
Expired: Jun 27, 2015, 10:15 PM CDT
In force: 53 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 1.25 in
Wind: 60.0 mph

County Douglas County, MN

The radar

The Minneapolis radar (KMPX), 190 km from the middle of the area, began a volume at 02:24 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 27, 5:11 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.4 hours before the alert went out and 188 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: 29 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1918 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

928 
WUUS53 KMPX 280222
SVRMPX
MNC041-280315-
/O.NEW.KMPX.SV.W.0044.150628T0222Z-150628T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
922 PM CDT SAT JUN 27 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1015 PM CDT

* AT 921 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ERDAHL...OR
  20 MILES SOUTHEAST OF FERGUS FALLS...MOVING SOUTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  EVANSVILLE AROUND 935 PM CDT.
  BRANDON AROUND 940 PM CDT.
  KENSINGTON AROUND 950 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
GARFIELD...MELBY...HOLMES CITY...ALEXANDRIA AIRPORT AND FORADA.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 81 AND
110.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4577 9513 4576 9515 4576 9574 4579 9577
      4582 9575 4610 9577 4611 9576
TIME...MOT...LOC 0221Z 314DEG 31KT 4603 9584 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

1 follow-up statement

122 
WWUS53 KMPX 280247
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
947 PM CDT SAT JUN 27 2015

MNC041-280315-
/O.CON.KMPX.SV.W.0044.000000T0000Z-150628T0315Z/
DOUGLAS MN-
947 PM CDT SAT JUN 27 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR SOUTHWESTERN DOUGLAS COUNTY...

AT 947 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR KENSINGTON...
OR 15 MILES WEST OF ALEXANDRIA...MOVING SOUTHEAST AT 35 MPH.

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

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  KENSINGTON AROUND 955 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HOLMES
CITY.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 83 AND
84...AND BETWEEN MILE MARKERS 90 AND 99.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4589 9546 4577 9546 4576 9574 4579 9577
      4582 9575 4601 9576
TIME...MOT...LOC 0247Z 314DEG 31KT 4584 9569 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 8:55 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	80 min
Jun 27, 9:14 PM CDT	Special Weather Statement	MPX	Stearns	46 min
Jun 27, 9:50 PM CDT	Special Weather Statement	MPX	Benton, Sherburne	40 min
Jun 27, 9:52 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	53 min
Jun 27, 9:58 PM CDT	Special Weather Statement	MPX	Pope	47 min
Jun 27, 10:01 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	29 min
Jun 27, 10:02 PM CDT	Special Weather Statement	MPX	Kanabec, Mille Lacs	28 min
Jun 27, 10:08 PM CDT	Special Weather Statement	MPX	Chippewa	37 min
Jun 27, 10:16 PM CDT	Severe Thunderstorm Warning	MPX	Pope	44 min
Jun 27, 10:29 PM CDT	Special Weather Statement	MPX	Swift	46 min
Jun 27, 10:32 PM CDT	Special Weather Statement	MPX	Yellow Medicine	58 min
Jun 27, 11:39 PM CDT	Special Weather Statement	MPX	Redwood	36 min
Jun 28, 1:49 AM CDT	Special Weather Statement	MPX	Blue Earth	26 min
Jun 28, 3:00 PM CDT	Special Weather Statement	MPX	Goodhue	30 min
Jun 28, 3:48 PM CDT	Special Weather Statement	MPX	Hennepin, Ramsey	42 min
Jun 28, 4:28 PM CDT	Special Weather Statement	MPX	Scott	32 min
Jun 28, 5:16 PM CDT	Special Weather Statement	MPX	Le Sueur	29 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.