Alert archive / Iowa / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 52, NWS Sioux Falls, SD

June 10, 20164 counties in Iowa

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 10, 2016, 11:15 PM CDT for 4 counties in Iowa. It was in force for 45 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
Jun 10, 2016, 11:15 PM CDT (04:15 UTC)
Expired
Jun 11, 2016, 12:00 AM CDT
In force
45 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Cherokee County, IA, O'Brien County, IA, Plymouth County, IA, Sioux County, IA

The radar

The Sioux Falls radar (KFSD), 87 km from the middle of the area, began a volume at 04:19 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, 11:50 PM CDTHAIL 11 W Granville, IA.

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

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.3 hours before the alert went out and 192 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, Omaha, NE at 00:00Z on 2016-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2023 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, Omaha, NE at 00:00Z on 2016-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.1939Sfc1 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
2023 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
2057 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.8

Open this sounding in Storm Lab

The text

As transmitted.

907 
WUUS53 KFSD 110415
SVRFSD
IAC035-141-149-167-110500-
/O.NEW.KFSD.SV.W.0052.160611T0415Z-160611T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1115 PM CDT FRI JUN 10 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CHEROKEE COUNTY IN NORTHWESTERN IOWA...
  EASTERN SIOUX COUNTY IN NORTHWESTERN IOWA...
  SOUTHWESTERN O'BRIEN COUNTY IN NORTHWESTERN IOWA...
  NORTHEASTERN PLYMOUTH COUNTY IN NORTHWESTERN IOWA...

* UNTIL MIDNIGHT CDT

* AT 1115 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ORANGE CITY...
  MOVING SOUTHEAST 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...
  HOSPERS AROUND 1120 PM CDT. 
  ALTON AROUND 1125 PM CDT. 
  GRANVILLE AROUND 1135 PM CDT. 
  MARCUS AROUND 1200 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4307 9618 4320 9604 4299 9562 4278 9588
TIME...MOT...LOC 0415Z 324DEG 17KT 4304 9601 

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

HANKO
1 follow-up statement
985 
WWUS53 KFSD 110434
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1134 PM CDT FRI JUN 10 2016

IAC035-141-149-167-110500-
/O.CON.KFSD.SV.W.0052.000000T0000Z-160611T0500Z/
CHEROKEE IA-SIOUX IA-O'BRIEN IA-PLYMOUTH IA-
1134 PM CDT FRI JUN 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHWESTERN CHEROKEE...SOUTHEASTERN SIOUX...SOUTHWESTERN O'BRIEN
AND NORTHEASTERN PLYMOUTH COUNTIES...

AT 1133 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GRANVILLE...OR
NEAR ORANGE CITY...MOVING SOUTHEAST AT 25 MPH.

HAZARD...PING PONG 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...
  MARCUS AROUND 1200 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4303 9610 4313 9598 4299 9562 4279 9586
TIME...MOT...LOC 0433Z 315DEG 24KT 4299 9594 

HAIL...1.50IN
WIND...60MPH
 
$$

HANKO

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, 7:33 PM CDTSevere Thunderstorm WarningFSDDickinson42 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, 11:53 PM CDTSevere Thunderstorm WarningFSDCherokee, O'Brien, Plymouth, Sioux16 min

Nearby

Severe Thunderstorm Warnings in Iowa, 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.