Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 113, NWS Sioux Falls, SD

July 13, 2016Cottonwood County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 13, 2016, 7:48 AM CDT for Cottonwood County, Minnesota. It was in force for 27 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
Jul 13, 2016, 7:48 AM CDT (12:48 UTC)
Expired
Jul 13, 2016, 8:15 AM CDT
In force
27 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Cottonwood County, MN

The radar

The Sioux Falls radar (KFSD), 144 km from the middle of the area, began a volume at 12:50 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
Jul 13, 7:57 AM CDTHAIL 16 Nnw Mountain Lake, MN.

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, 0.8 hours before the alert went out and 147 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 2016-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2020 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2016-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.1939587897117Sfc1 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
2020 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
763 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
331 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.8

Open this sounding in Storm Lab

The text

As transmitted.

149 
WUUS53 KFSD 131248
SVRFSD
MNC033-131315-
/O.NEW.KFSD.SV.W.0113.160713T1248Z-160713T1315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
748 AM CDT WED JUL 13 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL COTTONWOOD COUNTY IN SOUTHWESTERN MINNESOTA...

* UNTIL 815 AM CDT

* AT 748 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES EAST OF
  JEFFERS...OR 11 MILES NORTH OF WINDOM...MOVING EAST 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...
  COMFREY AROUND 805 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE DELFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4393 9511 4408 9519 4411 9511 4411 9486
      4397 9486
TIME...MOT...LOC 1248Z 248DEG 32KT 4403 9505 

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

HANKO
2 follow-up statements
476 
WWUS53 KFSD 131259
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
759 AM CDT WED JUL 13 2016

MNC033-131315-
/O.CON.KFSD.SV.W.0113.000000T0000Z-160713T1315Z/
COTTONWOOD MN-
759 AM CDT WED JUL 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 AM CDT
FOR EAST CENTRAL COTTONWOOD COUNTY...

AT 759 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COMFREY...OR
15 MILES NORTHEAST OF WINDOM...MOVING EAST 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 REMAIN OVER MAINLY RURAL AREAS OF EAST
CENTRAL COTTONWOOD COUNTY...INCLUDING THE FOLLOWING LOCATIONS: DELFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4393 9511 4401 9513 4411 9499 4411 9486
      4397 9486
TIME...MOT...LOC 1259Z 258DEG 46KT 4403 9489 

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

DUX
325 
WWUS53 KFSD 131310
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
810 AM CDT WED JUL 13 2016

MNC033-131320-
/O.EXP.KFSD.SV.W.0113.000000T0000Z-160713T1315Z/
COTTONWOOD MN-
810 AM CDT WED JUL 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COTTONWOOD COUNTY
WILL EXPIRE AT 815 AM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.

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

LAT...LON 4393 9511 4401 9513 4411 9499 4411 9486
      4397 9486
TIME...MOT...LOC 1308Z 248DEG 32KT 4403 9489 

$$

DUX

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 13, 7:12 AM CDTSevere Thunderstorm WarningFSDJackson, Nobles48 min
Jul 13, 8:09 AM CDTSevere Thunderstorm WarningFSDJackson38 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016Every 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.