Alert archive / South Dakota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 39, NWS Aberdeen, SD

May 26, 20125 counties in South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 26, 2012, 8:58 PM CDT for 5 counties in South Dakota. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 26, 2012, 8:58 PM CDT (01:58 UTC)
Expired
May 26, 2012, 9:28 PM CDT
In force
30 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Hughes County, SD, Jones County, SD, Lyman County, SD, Stanley County, SD, Sully County, SD

The radar

The Aberdeen radar (KABR), 184 km from the middle of the area, began a volume at 01:58 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.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.0 hours before the alert went out and 157 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 00:00Z on 2012-05-27Temperature 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 00:00Z on 2012-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
485 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
549 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

076 
WUUS53 KABR 270158
SVRABR
SDC065-075-085-117-119-270245-
/O.NEW.KABR.SV.W.0039.120527T0158Z-120527T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
858 PM CDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HUGHES COUNTY IN CENTRAL SOUTH DAKOTA...
  NORTHEASTERN JONES COUNTY IN CENTRAL SOUTH DAKOTA...
  NORTHWESTERN LYMAN COUNTY IN CENTRAL SOUTH DAKOTA...
  SOUTHEASTERN STANLEY COUNTY IN CENTRAL SOUTH DAKOTA...
  WESTERN SULLY COUNTY IN CENTRAL SOUTH DAKOTA...

* UNTIL 945 PM CDT/845 PM MDT/

* AT 854 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 13
  MILES SOUTHEAST OF WENDTE...OR 17 MILES SOUTH OF FORT PIERRE...
  MOVING NORTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FORT PIERRE AROUND 810 PM MDT...
  PIERRE...OVERLOOK REC AREA...WEST SHORE REC AREA AND OAHE MISSION
  REC AREA AROUND 915 PM CDT...
  ROSSEAU...GREY GOOSE...SPRING CREEK REC AREA AND COW CREEK REC AREA
  AROUND 920 PM CDT...
  CANNING AND OKOBOJO CREEK REC AREA AROUND 925 PM CDT...
  BLUNT AROUND 935 PM CDT...

THIS WARNING INCLUDES HIGHWAY 83 BETWEEN MILE MARKERS 99 AND 151.

THIS WARNING INCLUDES HIGHWAY 14 BETWEEN MILE MARKERS 217 AND 262.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...SEEK SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS
PASSED.

&&

LAT...LON 4485 10037 4447 9968 4399 10033 4419 10068
TIME...MOT...LOC 0158Z 216DEG 47KT 4417 10041
WIND...HAIL 60MPH 1.00IN

$$
DORN
1 follow-up statement
763 
WWUS53 KABR 270228
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
928 PM CDT SAT MAY 26 2012

SDC065-075-085-117-119-270236-
/O.CAN.KABR.SV.W.0039.000000T0000Z-120527T0245Z/
SULLY SD-LYMAN SD-HUGHES SD-JONES SD-STANLEY SD-
928 PM CDT SAT MAY 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STANLEY...
NORTHEASTERN JONES...NORTHERN HUGHES...NORTHWESTERN LYMAN AND WESTERN
SULLY COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS 
THUNDERSTORM. PEA-SIZED HAIL AND WINDS UP TO 30 MPH WERE OBSERVED 
WITH THIS STORM.

LAT...LON 4485 10037 4447 9968 4399 10033 4419 10068
TIME...MOT...LOC 0226Z 216DEG 47KT 4447 10011

$$
DORN

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 9:59 PM CDTSevere Thunderstorm WarningABRHand, Hughes, Hyde, Sully46 min
May 26, 10:39 PM CDTSevere Thunderstorm WarningABRBrown, Day, Marshall66 min
May 26, 10:43 PM CDTSevere Thunderstorm WarningABREdmunds, Faulk, Hand, Hyde, Potter, Sully62 min
May 26, 10:54 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, Faulk, McPherson51 min
May 26, 11:20 PM CDTSevere Thunderstorm WarningABRMarshall, Roberts25 min
May 26, 11:31 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, Faulk, Spink44 min
May 26, 11:43 PM CDTSevere Thunderstorm WarningABRBrown, Marshall32 min
May 27, 12:28 AM CDTSevere Thunderstorm WarningABRCampbell, Corson, Dewey29 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2012Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.