Alert archive / South Dakota / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 310, NWS Sioux Falls, SD

September 22, 2010Moody County, South Dakota; Pipestone County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Sep 22, 2010, 6:53 PM CDT for Moody County, South Dakota; Pipestone County, Minnesota. It was in force for 52 min. 3 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
Sep 22, 2010, 6:53 PM CDT (23:53 UTC)
Expired
Sep 22, 2010, 7:45 PM CDT
In force
52 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
2.0 in
Wind
58.0 mph

Counties Pipestone County, MN, Moody County, SD

The radar

The Sioux Falls radar (KFSD), 55 km from the middle of the area, began a volume at 23:53 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
Sep 22, 6:56 PM CDTHAIL 16 W Pipestone, MN
Sep 22, 7:50 PM CDTHAIL 11 N Edgerton, MN
Sep 22, 7:55 PM CDTTSTM WND DMG2 E Edgerton, MNMODERATE SIZE BRANCHES DOWN.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 22, 11:12 AM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.9 hours before the alert went out and 195 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, Aberdeen, SD at 12:00Z on 2010-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Aberdeen, SD at 12:00Z on 2010-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
111 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.

047 
WUUS53 KFSD 222353
SVRFSD
MNC117-SDC101-230045-
/O.NEW.KFSD.SV.W.0310.100922T2353Z-100923T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
653 PM CDT WED SEP 22 2010

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN PIPESTONE COUNTY IN SOUTHWEST MINNESOTA...
  SOUTHEASTERN MOODY COUNTY IN EAST CENTRAL SOUTH DAKOTA...

* UNTIL 745 PM CDT

* AT 653 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE   
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HEN EGG SIZE   
HAIL.  THIS STORM WAS LOCATED NEAR TRENT...OR 15 MILES WEST OF   
PIPESTONE...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  JASPER AROUND 710 PM CDT...
  PIPESTONE AND PIPESTONE NATIONAL MONUMENT AROUND 720 PM CDT...
  TROSKY AROUND 730 PM CDT...
  WOODSTOCK AND EDGERTON AROUND 745 PM CDT...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE IHLEN
AND HATFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING
SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

LAT...LON 4408 9606 4385 9607 4385 9668 4405 9670
TIME...MOT...LOC 2353Z 267DEG 22KT 4394 9656
WIND...HAIL <58MPH 2.00IN

$$

BT
1 follow-up statement
024 
WWUS53 KFSD 230016
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
716 PM CDT WED SEP 22 2010

SDC101-230026-
/O.CAN.KFSD.SV.W.0310.000000T0000Z-100923T0045Z/
MOODY SD-
716 PM CDT WED SEP 22 2010

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MOODY COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4385 9607 4386 9645 4390 9646 4405 9646
      4408 9607
TIME...MOT...LOC 0016Z 267DEG 22KT 4395 9636

$$

MNC117-230045-
/O.CON.KFSD.SV.W.0310.000000T0000Z-100923T0045Z/
PIPESTONE MN-
716 PM CDT WED SEP 22 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
PIPESTONE COUNTY UNTIL 745 PM CDT...

AT 716 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL.  THIS
STORM WAS LOCATED 6 MILES SOUTHWEST OF PIPESTONE...MOVING EAST AT 25
MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  PIPESTONE AROUND 720 PM CDT...
  TROSKY AROUND 730 PM CDT...
  EDGERTON AROUND 740 PM CDT...
  WOODSTOCK AROUND 745 PM CDT...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
HATFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING
SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

LAT...LON 4385 9607 4386 9645 4390 9646 4405 9646
      4408 9607
TIME...MOT...LOC 0016Z 267DEG 22KT 4395 9636
WIND...HAIL <58MPH 1.75IN

$$

BT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 9:33 AM CDTRiver Flood WatchFSDLincoln, Union12 days
Sep 22, 9:33 AM CDTRiver Flood WatchFSDUnion12 days
Sep 22, 9:33 AM CDTRiver Flood WatchFSDTurner12 days
Sep 22, 9:33 AM CDTRiver Flood WatchFSDHutchinson, Yankton12 days
Sep 22, 9:33 AM CDTRiver Flood WatchFSDBrookings12 days
Sep 22, 9:33 AM CDTRiver Flood WatchFSDBrookings, Moody12 days
Sep 22, 9:33 AM CDTRiver Flood WatchFSDMinnehaha, Moody12 days
Sep 22, 9:33 AM CDTRiver Flood WatchFSDMinnehaha12 days
Sep 22, 10:47 AM CDTSevere Thunderstorm WarningFSDClay43 min
Sep 22, 10:58 AM CDTSevere Thunderstorm WarningFSDYankton32 min
Sep 22, 11:11 AM CDTSevere Thunderstorm WarningFSDBrule, Charles Mix, Gregory34 min
Sep 22, 11:29 AM CDTSevere Thunderstorm WarningFSDClay, Union46 min
Sep 22, 11:39 AM CDTSevere Thunderstorm WarningFSDTurner, Yankton36 min
Sep 22, 11:43 AM CDTTornado WarningFSDClay, Union32 min
Sep 22, 11:46 AM CDTSevere Thunderstorm WarningFSDAurora, Brule, Charles Mix44 min
Sep 22, 11:59 AM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix, Yankton46 min
Sep 22, 12:05 PM CDTSevere Thunderstorm WarningFSDLincoln, Union40 min
Sep 22, 12:40 PM CDTSevere Thunderstorm WarningFSDLincoln, Union50 min
Sep 22, 1:09 PM CDTSevere Thunderstorm WarningFSDClay, Lincoln, Turner, Yankton51 min
Sep 22, 1:19 PM CDTSevere Thunderstorm WarningFSDBon Homme, Hutchinson, Turner, Yankton41 min
Sep 22, 1:57 PM CDTSevere Thunderstorm WarningFSDLincoln, Turner33 min
Sep 22, 2:07 PM CDTSevere Thunderstorm WarningFSDHanson, McCook24 min
Sep 22, 2:30 PM CDTSevere Thunderstorm WarningFSDLincoln, Turner45 min
Sep 22, 2:51 PM CDTSevere Thunderstorm WarningFSDMcCook, Minnehaha, Moody39 min
Sep 22, 3:00 PM CDTSevere Thunderstorm WarningFSDLincoln, Union45 min
Sep 22, 3:08 PM CDTSevere Thunderstorm WarningFSDLincoln, Minnehaha23 min
Sep 22, 3:39 PM CDTFlash Flood WatchFSDBrookings, Kingsbury, Lake, Moody23 hr
Sep 22, 6:20 PM CDTSevere Thunderstorm WarningFSDMoody40 min
Sep 22, 9:33 AM CDTRiver Flood WatchFSDLyon12 days
Sep 22, 9:33 AM CDTRiver Flood WatchFSDLyon4 days
Sep 22, 4:09 PM CDTSevere Thunderstorm WarningFSDNobles, Rock36 min
Sep 22, 6:36 PM CDTSevere Thunderstorm WarningFSDCottonwood39 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2010Severe Thunderstorm Warnings in Minnesota, 2010Every severe thunderstorm warning in 2010

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.