Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 116, NWS Twin Cities, MN

August 2, 2015Douglas County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 2015, 8:13 AM CDT for Douglas County, Todd County, Minnesota. It was in force for 32 min. 7 reports 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 2, 2015, 8:13 AM CDT (13:13 UTC)
Expired
Aug 2, 2015, 8:45 AM CDT
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Douglas County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 180 km from the middle of the area, began a volume at 13:16 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

TimeReportWhereRemark
Aug 2, 8:27 AM CDTHAIL 1Wsw Eagle Bend, MN
Aug 2, 8:27 AM CDTHAIL 1.5Wsw Eagle Bend, MNNEARLY GOLFBALL REPORTED.
Aug 2, 8:30 AM CDTHAIL 1.759 E Miltona, MN
Aug 2, 8:35 AM CDTHAIL 2Clotho, MNSOCIAL MEDIA IMAGE
Aug 2, 8:45 AM CDTHAIL 14 W Long Prairie, MN
Aug 2, 8:51 AM CDTHAIL 14 Sw Long Prairie, MNMOSTLY DIME SIZED AND NICKEL SIZED
Aug 2, 8:51 AM CDTHAIL 1Long Prairie, MNMOSTLY DIME SIZED AND NICKEL SIZED

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 1.2 hours before the alert went out and 178 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2015-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 938 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2015-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
938 J/kg
Mixed-layer CIN
-373 J/kg
Mixed-layer LCL
1406 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
90 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.

628 
WUUS53 KMPX 021313
SVRMPX
MNC041-153-021345-
/O.NEW.KMPX.SV.W.0116.150802T1313Z-150802T1345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
813 AM CDT SUN AUG 2 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHERN TODD COUNTY IN CENTRAL MINNESOTA...

* UNTIL 845 AM CDT

* AT 813 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  WRIGHTSTOWN...OR 24 MILES NORTH OF ALEXANDRIA...MOVING SOUTHEAST AT
  55 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 THUNDERSTORM WILL BE NEAR...
  EAGLE BEND AROUND 825 AM CDT.
  LONG PRAIRIE AROUND 840 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE ROSE
CITY...BELLE RIVER...CLOTHO AND MILTONA.

THIS INCLUDES U.S. HIGHWAY 71 BETWEEN MILE MARKERS 184 AND 219.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4595 9475 4594 9476 4592 9539 4610 9541
      4611 9514 4637 9515 4637 9497
TIME...MOT...LOC 1313Z 332DEG 46KT 4625 9524 

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

RAH
1 follow-up statement
847 
WWUS53 KMPX 021324
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
824 AM CDT SUN AUG 2 2015

MNC041-153-021345-
/O.CON.KMPX.SV.W.0116.000000T0000Z-150802T1345Z/
DOUGLAS MN-TODD MN-
824 AM CDT SUN AUG 2 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM CDT
FOR NORTHEASTERN DOUGLAS AND NORTHERN TODD COUNTIES...

AT 823 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR EAGLE BEND...
OR 20 MILES NORTHEAST OF ALEXANDRIA...MOVING SOUTHEAST AT 55 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
         WIND DAMAGE TO ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  BROWERVILLE AROUND 835 AM CDT.
  LONG PRAIRIE AROUND 840 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE ROSE
CITY...BELLE RIVER...CLOTHO AND MILTONA.

THIS INCLUDES U.S. HIGHWAY 71 BETWEEN MILE MARKERS 184 AND 219.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4595 9475 4594 9476 4592 9539 4610 9541
      4611 9514 4637 9515 4637 9497
TIME...MOT...LOC 1323Z 328DEG 47KT 4614 9510 

HAIL...1.75IN
WIND...60MPH
 
$$

RAH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 12:33 AM CDTSpecial Weather StatementMPXBrown27 min
Aug 2, 1:02 AM CDTSpecial Weather StatementMPXBlue Earth58 min
Aug 2, 2:00 AM CDTSpecial Weather StatementMPXWaseca60 min
Aug 2, 4:20 AM CDTSpecial Weather StatementMPXKanabec25 min
Aug 2, 8:01 AM CDTSpecial Weather StatementMPXDouglas, Todd59 min
Aug 2, 8:40 AM CDTSevere Thunderstorm WarningMPXStearns, Todd37 min
Aug 2, 9:37 AM CDTSpecial Weather StatementMPXStearns23 min
Aug 2, 11:05 AM CDTSpecial Weather StatementMPXIsanti, Sherburne40 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.