Alert archive / Iowa / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 46, NWS Sioux Falls, SD

June 10, 2016Dickinson County, Iowa; Jackson County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 10, 2016, 7:33 PM CDT for Dickinson County, Iowa; Jackson County, Minnesota. It was in force for 42 min. 8 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
Jun 10, 2016, 7:33 PM CDT (00:33 UTC)
Expired
Jun 10, 2016, 8:15 PM CDT
In force
42 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Dickinson County, IA, Jackson County, MN

The radar

The Sioux Falls radar (KFSD), 128 km from the middle of the area, began a volume at 00:32 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
Jun 10, 7:40 PM CDTHAIL 15 E Lake Park, IATIME ESTIMATED BASED ON RADAR.
Jun 10, 8:00 PM CDTTSTM WND GST 601 Ssw Spirit Lake, IA.
Jun 10, 8:00 PM CDTTSTM WND GST 601 Ssw Spirit Lake, IA
Jun 10, 8:00 PM CDTHAIL 1.753 Nw Okoboji, IAHAILING FOR FIVE MINUTES.
Jun 10, 8:01 PM CDTTSTM WND DMG1 S Spirit Lake, IASMALL SHED DAMAGED.
Jun 10, 8:01 PM CDTTSTM WND DMG1 S Spirit Lake, IASMALL SHED DESTROYED.
Jun 10, 8:02 PM CDTTSTM WND GST 69Spirit Lake, IAPRIVACY FENCE DAMAGED IN ADJACENT NEIGHBORHOOD.
Jun 10, 8:03 PM CDTTSTM WND DMG1 Sw Orleans, IASEVERAL LARGE TREES BLOWN DOWN.

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 00:00Z, 0.6 hours before the alert went out and 200 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 00:00Z on 2016-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1514 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 00:00Z on 2016-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
1514 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1352 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

131 
WUUS53 KFSD 110033
SVRFSD
IAC059-MNC063-110115-
/O.NEW.KFSD.SV.W.0046.160611T0033Z-160611T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
733 PM CDT FRI JUN 10 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DICKINSON COUNTY IN NORTHWESTERN IOWA...
  SOUTHERN JACKSON COUNTY IN SOUTHWESTERN MINNESOTA...

* UNTIL 815 PM CDT

* AT 732 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAKE PARK...OR
  7 MILES NORTHWEST OF SPIRIT LAKE...MOVING EAST AT 20 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...
  OKOBOJI AND WAHPETON AROUND 745 PM CDT. 
  ORLEANS AND WEST OKOBOJI AROUND 750 PM CDT. 
  SPIRIT LAKE AND ARNOLDS PARK AROUND 755 PM CDT. 
  SUPERIOR AROUND 815 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IF ON OR NEAR LAKE OKOBOJI OR BIG SPIRIT LAKE...GET AWAY FROM THE
WATER AND MOVE INDOORS OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN
STRIKE OUT TO 15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO
SAFE SHELTER NOW!  DO NOT BE CAUGHT ON THE WATER IN A THUNDERSTORM.

&&

LAT...LON 4342 9532 4352 9530 4356 9491 4329 9495
TIME...MOT...LOC 0032Z 279DEG 16KT 4347 9524 

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

CHAPMAN
2 follow-up statements
527 
WWUS53 KFSD 110050
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
750 PM CDT FRI JUN 10 2016

IAC059-MNC063-110115-
/O.CON.KFSD.SV.W.0046.000000T0000Z-160611T0115Z/
DICKINSON IA-JACKSON MN-
750 PM CDT FRI JUN 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR NORTHERN DICKINSON AND SOUTHEASTERN JACKSON COUNTIES...

AT 748 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR THE NORTHWEST
SIDE OF LAKE OKOBOJI...OR 5 MILES WEST SOUTHWEST OF SPIRIT
LAKE...MOVING EAST AT 20 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 STORM WILL BE NEAR...
  OKOBOJI AND ORLEANS AROUND 755 PM CDT. 
  SPIRIT LAKE AND ARNOLDS PARK AROUND 800 PM CDT. 
  SUPERIOR AROUND 815 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IF ON OR NEAR LAKE OKOBOJI OR NEARBY LAKES...GET AWAY FROM THE WATER
AND MOVE INDOORS OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN
STRIKE OUT TO 15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO
SAFE SHELTER NOW!  DO NOT BE CAUGHT ON THE WATER IN A THUNDERSTORM.

&&

LAT...LON 4341 9529 4353 9517 4356 9491 4329 9495
TIME...MOT...LOC 0048Z 282DEG 18KT 4346 9517 

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

CHAPMAN
864 
WWUS53 KFSD 110105
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
805 PM CDT FRI JUN 10 2016

MNC063-110113-
/O.CAN.KFSD.SV.W.0046.000000T0000Z-160611T0115Z/
JACKSON MN-
805 PM CDT FRI JUN 10 2016

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

LAT...LON 4341 9529 4348 9520 4350 9492 4329 9495
TIME...MOT...LOC 0103Z 295DEG 12KT 4342 9517 

$$

IAC059-110115-
/O.CON.KFSD.SV.W.0046.000000T0000Z-160611T0115Z/
DICKINSON IA-
805 PM CDT FRI JUN 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR NORTHERN DICKINSON COUNTY...

AT 803 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OKOBOJI AND
SPIRIT LAKE...MOVING SOUTHEAST AT 15 MPH.  AT 8 PM CDT...A TRAINED
SPOTTER REPORTED GOLF BALL SIZE HAIL 4 MILES WEST OF SPIRIT LAKE.

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...
  OKOBOJI AND ORLEANS AROUND 810 PM CDT. 
  SPIRIT LAKE...ARNOLDS PARK AND WEST OKOBOJI AROUND 815 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IF ON OR NEAR LAKE OKOBOJI OR NEARBY LAKES...GET AWAY FROM THE WATER
AND MOVE INDOORS OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN
STRIKE OUT TO 15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO
SAFE SHELTER NOW!  DO NOT BE CAUGHT ON THE WATER IN A THUNDERSTORM.

&&

LAT...LON 4341 9529 4348 9520 4350 9492 4329 9495
TIME...MOT...LOC 0103Z 295DEG 12KT 4342 9517 

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

CHAPMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:24 PM CDTSevere Thunderstorm WarningFSDOsceola36 min
Jun 10, 8:15 PM CDTSevere Thunderstorm WarningFSDClay, Dickinson45 min
Jun 10, 9:00 PM CDTSevere Thunderstorm WarningFSDClay, Dickinson, O'Brien, Osceola60 min
Jun 10, 9:59 PM CDTSevere Thunderstorm WarningFSDBuena Vista, Cherokee, Clay, O'Brien61 min
Jun 10, 10:03 PM CDTSevere Thunderstorm WarningFSDO'Brien, Osceola, Sioux42 min
Jun 10, 10:44 PM CDTSevere Thunderstorm WarningFSDCherokee, O'Brien, Sioux46 min
Jun 10, 11:15 PM CDTSevere Thunderstorm WarningFSDCherokee, O'Brien, Plymouth, Sioux45 min
Jun 10, 11:53 PM CDTSevere Thunderstorm WarningFSDCherokee, O'Brien, Plymouth, Sioux16 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2016Severe 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.