Alert archive / Iowa / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 79, NWS Sioux Falls, SD

June 17, 20164 counties in Iowa

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 17, 2016, 10:14 PM CDT for 4 counties in Iowa. It was in force for 46 min. 2 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 17, 2016, 10:14 PM CDT (03:14 UTC)
Expired
Jun 17, 2016, 11:00 PM CDT
In force
46 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cherokee County, IA, Ida County, IA, Plymouth County, IA, Woodbury County, IA

The radar

The Sioux Falls radar (KFSD), 136 km from the middle of the area, began a volume at 03:16 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
Jun 17, 10:28 PM CDTHAIL 1Kingsley, IA.
Jun 17, 11:08 PM CDTTSTM WND DMGCorrectionville, IASEVERAL TREES BLOWN OVER BETWEEN MOVILLE AND CORRECTIONVILLE. ALSO REPORTS OF FLASH FLOODING. .

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, 3.2 hours before the alert went out and 141 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 2016-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3543 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, Omaha, NE at 00:00Z on 2016-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
3543 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1690 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
9 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.

666 
WUUS53 KFSD 180314
SVRFSD
IAC035-093-149-193-180400-
/O.NEW.KFSD.SV.W.0079.160618T0314Z-160618T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1014 PM CDT FRI JUN 17 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN IDA COUNTY IN WEST CENTRAL IOWA...
  SOUTHEASTERN PLYMOUTH COUNTY IN NORTHWESTERN IOWA...
  SOUTHERN CHEROKEE COUNTY IN NORTHWESTERN IOWA...
  EASTERN WOODBURY COUNTY IN WEST CENTRAL IOWA...

* UNTIL 1100 PM CDT

* AT 1014 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  KINGSLEY...OR 16 MILES SOUTHEAST OF LE MARS...MOVING SOUTHEAST AT
  25 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...
  PIERSON AROUND 1030 PM CDT. 
  CORRECTIONVILLE AROUND 1045 PM CDT. 
  ANTHON AROUND 1050 PM CDT. 
  CUSHING AROUND 1055 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4254 9617 4281 9599 4262 9543 4241 9562
      4228 9593
TIME...MOT...LOC 0314Z 318DEG 23KT 4260 9598 

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

DUX
1 follow-up statement
508 
WWUS53 KFSD 180330
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1030 PM CDT FRI JUN 17 2016

IAC035-093-149-193-180400-
/O.CON.KFSD.SV.W.0079.000000T0000Z-160618T0400Z/
IDA IA-PLYMOUTH IA-CHEROKEE IA-WOODBURY IA-
1030 PM CDT FRI JUN 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR NORTHWESTERN IDA...SOUTHEASTERN PLYMOUTH...SOUTHERN CHEROKEE AND
EASTERN WOODBURY COUNTIES...

AT 1030 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PIERSON...OR
23 MILES SOUTHWEST OF CHEROKEE...MOVING SOUTHEAST AT 25 MPH.

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

SOURCE...TRAINED WEATHER SPOTTERS. 1028 PM CDT...QUARTER SIZE HAIL
         WAS REPORTED IN KINGSLEY. 

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

THIS SEVERE STORM WILL BE NEAR...
  CORRECTIONVILLE AND ANTHON AROUND 1045 PM CDT. 
  CUSHING AROUND 1055 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4254 9617 4281 9599 4262 9543 4241 9562
      4228 9593
TIME...MOT...LOC 0330Z 318DEG 23KT 4252 9589 

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

DUX

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 8:18 PM CDTSevere Thunderstorm WarningFSDBuena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 2 more42 min
Jun 17, 8:44 PM CDTSevere Thunderstorm WarningFSDPlymouth, Sioux46 min
Jun 17, 9:44 PM CDTSevere Thunderstorm WarningFSDPlymouth, Sioux46 min
Jun 17, 9:53 PM CDTSevere Thunderstorm WarningFSDPlymouth, Woodbury52 min
Jun 17, 10:41 PM CDTSevere Thunderstorm WarningFSDWoodbury49 min
Jun 17, 10:57 PM CDTSevere Thunderstorm WarningFSDCherokee, Ida, Plymouth, Woodbury37 min
Jun 17, 11:33 PM CDTFlash Flood WarningFSDCherokee, Ida, Plymouth, Woodbury6 hr
Jun 18, 3:14 AM CDTHeat AdvisoryFSDLyon, Plymouth, Sioux, Woodbury41 hr
Jun 18, 3:19 AM CDTRiver Flood WarningFSDWoodbury24 hr
Jun 18, 8:15 AM CDTRiver Flood WarningFSDClay, Dickinson62 hr
Jun 18, 9:26 AM CDTRiver Flood WarningFSDMonona, Woodbury29 hr
Jun 18, 9:57 AM CDTRiver Flood WarningFSDClay, Dickinson54 hr

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.