Alert archive / South Dakota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 186, NWS Sioux Falls, SD

June 13, 2001Gregory County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 13, 2001, 2:10 AM CDT for Gregory County, 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 13, 2001, 2:10 AM CDT (07:10 UTC)
Expired: Jun 13, 2001, 2:40 AM CDT
In force: 30 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Gregory County, SD

The radar

The North Platte radar (KLNX), 174 km from the middle of the area, began a volume at 07:10 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 13, 12:00 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 7.2 hours before the alert went out and 197 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1925 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFSD 130711
SVRFSD
SDC053-130740-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
210 AM CDT WED JUN 13 2001

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN GREGORY COUNTY IN SOUTH CENTRAL SOUTH DAKOTA

* UNTIL 240 AM CDT

* AT 210 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES WEST OF DALLAS...OR ABOUT 11 MILES
  SOUTHEAST OF WINNER...MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DALLAS AROUND 215 AM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 58 MPH...LARGE HAIL...HEAVY RAINS AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE AREA. SEVERE THUNDERSTORMS
CAN PRTODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO
MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 4333 9981 4318 9972 4333 9911 4349 9936

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 12, 10:15 PM CDT, 3 hours 55 minutes earlier.

Area forecast discussion, Jun 12, 10:15 PM CDT, 3 hours 55 minutes before

AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1015 PM CDT TUE JUN 12 2001

ON GOING SEVERE WEATHER...WILL CONTIUE FCST AS IS.

.FSD...bNONE
 WB

In the hours before

Local storm report, Jun 12, 11:52 PM CDT, 2 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1152 PM CDT TUE JUN 12 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0540 PM    7 NW HARTLEY              IA   .75 INCH HAIL
06/12/01   OBRIEN                         REPORTED BY MEDIA.

0645 PM    ROCK VLY                  IA   .88 INCH HAIL
06/12/01   SIOUX

0702 PM    SIOUX FALLS               SD   1.75 INCH HAIL
06/12/01   MINNEHAHA

0705 PM    SIOUX FALLS               SD   1.75 INCH HAIL
06/12/01   MINNEHAHA                      REPORTED BY PUBLIC.

0711 PM    SIOUX FALLS               SD   1.75 INCH HAIL
06/12/01   MINNEHAHA

0712 PM    2 W GARRETSON             SD   TORNADO
06/12/01   MINNEHAHA                      REPORTED BY PUBLIC.

0724 PM    SIOUX FALLS               SD   1.75 INCH HAIL
06/12/01   LINCOLN

0736 PM    ROCK RAPIDS               IA   .75 INCH HAIL
06/12/01   LYON

0753 PM    SHELDON                   IA   1 INCH HAIL
06/12/01   SIOUX

0757 PM    SHELDON                   IA   .88 INCH HAIL
06/12/01   SIOUX

0845 PM    OCHEYEDAN                 IA   2.75 INCH HAIL
06/12/01   OSCEOLA                        REPORTED BY MEDIA.

0859 PM    LAKE PARK                 IA   1.75 INCH HAIL
06/12/01   DICKINSON                      REPORTED BY STORM
                                          SPOTTER.

0909 PM    3 W LAKE PARK             IA   .75 INCH HAIL
06/12/01   DICKINSON                      REPORTED BY MEDIA.

0910 PM    LAKE PARK                 IA   .75 INCH HAIL
06/12/01   DICKINSON                      REPORTED BY MEDIA.

0921 PM    WAHPETON                  IA   1 INCH HAIL
06/12/01   DICKINSON                      REPORTED BY MEDIA.

0926 PM    1 S MONTGOMERY            IA   TORNADO
06/12/01   DICKINSON

0944 PM    1 S VALLEY SPGS           SD   65 MPH TSTM GUST
06/12/01   MINNEHAHA                      REPORTED BY EMERGENCY
                                          MANAGEMENT.

0950 PM    IROQUOIS                  SD   1 INCH HAIL
06/12/01   KINGSBURY

Local storm report, Jun 13, 12:01 AM CDT, 2 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1201 AM CDT WED JUN 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0640 PM    6 S TEA                   SD   .75 INCH HAIL
06/12/01   LINCOLN                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

Local storm report, Jun 13, 12:44 AM CDT, 1 hour 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1244 AM CDT WED JUN 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0713 PM    SIOUX FALLS               SD   2.5 INCH HAIL
06/12/01   MINNEHAHA

0818 PM    5 NE FORESTBURG           SD   1.75 INCH HAIL
06/12/01   SANBORN                        REPORTED BY STORM
                                          SPOTTER.

0846 PM    OCHEYEDAN                 IA   1 INCH HAIL
06/12/01   OSCEOLA                        REPORTED BY STORM
                                          SPOTTER.

1015 PM    HARTFORD                  SD   .88 INCH HAIL
06/12/01   MINNEHAHA                      REPORTED BY EMERGENCY
                                          MANAGEMENT.

1019 PM    6 S HARTFORD              SD   TORNADO
06/12/01   MINNEHAHA                      REPORTED BY EMERGENCY
                                          MANAGEMENT.

1028 PM    CROOKS                    SD   .75 INCH HAIL
06/12/01   MINNEHAHA                      REPORTED BY EMERGENCY
                                          MANAGEMENT.

1049 PM    TEA                       SD   52 MPH TSTM GUST
06/12/01   LINCOLN                        REPORTED BY STORM
                                          SPOTTER.

1050 PM    SIOUX FALLS               SD   75 MPH TSTM GUST
06/12/01   MINNEHAHA                      MEASURED BY MEDIA
                                          EQUIPMENT.

1056 PM    2 W SIOUX FALLS           SD   WIND DAMAGE
06/12/01   MINNEHAHA                      BARN DESTROYED.
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT.

1102 PM    SIOUX FALLS               SD   80 MPH TSTM GUST
06/12/01   MINNEHAHA                      REPORTED BY STORM
                                          SPOTTER.

1156 PM    MADISON                   SD   .75 INCH HAIL
06/12/01   LAKE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

1156 PM    COLTON                    SD   60 MPH TSTM GUST
06/12/01   MINNEHAHA                      REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jun 13, 12:56 AM CDT, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1256 AM CDT WED JUN 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....u

1239 AM    CROOKS                    SD   .88 INCH HAIL
06/13/01   MINNEHAHA

Local storm report, Jun 13, 1:06 AM CDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
106 AM CDT WED JUN 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0543 PM    5 E MELVIN                IA   .75 INCH HAIL
06/12/01   OSCEOLA                        REPORTED BY STORM
                                          SPOTTER.

0848 PM    10 S LAKE PARK            IA   1.75 INCH HAIL
06/12/01   DICKINSON                      REPORTED BY STORM
                                          SPOTTER.

0920 PM    SPIRIT LAKE               IA   1.75 INCH HAIL
06/12/01   DICKINSON                      REPORTED BY STORM
                                          SPOTTER.

0923 PM    10 SW JACKSON             MN   1 INCH HAIL
06/12/01   JACKSON                        REPORTED BY STORM
                                          SPOTTER.

0938 PM    7 S MELVIN                IA   .88 INCH HAIL
06/12/01   OSCEOLA                        REPORTED BY STORM
                                          SPOTTER.

Local storm report, Jun 13, 1:41 AM CDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
141 AM CDT WED JUN 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1220 AM    FLANDREAU                 SD   .75 INCH HAIL
06/13/01   MOODY                          REPORTED BY PUBLIC.

0128 AM    CHAMBERLAIN               SD   .75 INCH HAIL
06/13/01   BRULE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 7:01 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	29 min
Jun 12, 7:11 PM CDT	Tornado Warning	FSD	Minnehaha	34 min
Jun 12, 7:13 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln	32 min
Jun 12, 7:14 PM CDT	Severe Thunderstorm Warning	FSD	Clay	31 min
Jun 12, 7:22 PM CDT	Severe Thunderstorm Warning	FSD	Beadle	23 min
Jun 12, 7:44 PM CDT	Tornado Warning	FSD	Minnehaha	16 min
Jun 12, 7:45 PM CDT	Tornado Warning	FSD	Davison, Hanson, Hutchinson	45 min
Jun 12, 7:50 PM CDT	Severe Thunderstorm Warning	FSD	Beadle	25 min
Jun 12, 8:06 PM CDT	Severe Thunderstorm Warning	FSD	Sanborn	24 min
Jun 12, 8:11 PM CDT	Tornado Warning	FSD	Beadle, Sanborn	34 min
Jun 12, 8:28 PM CDT	Flash Flood Warning	FSD	Minnehaha	92 min
Jun 12, 8:29 PM CDT	Tornado Warning	FSD	Hanson, Hutchinson, McCook	31 min
Jun 12, 8:40 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury, Miner	50 min
Jun 12, 8:50 PM CDT	Tornado Warning	FSD	Kingsbury, Miner	25 min
Jun 12, 8:55 PM CDT	Tornado Warning	FSD	McCook	35 min
Jun 12, 9:30 PM CDT	Tornado Warning	FSD	McCook	45 min
Jun 12, 9:32 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	43 min
Jun 12, 9:37 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	38 min
Jun 12, 9:37 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	38 min
Jun 12, 9:55 PM CDT	Flash Flood Warning	FSD	Lincoln, Minnehaha	3 hr
Jun 12, 9:57 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	33 min
Jun 12, 10:03 PM CDT	Tornado Warning	FSD	Minnehaha	27 min
Jun 12, 10:10 PM CDT	Severe Thunderstorm Warning	FSD	Lake	35 min
Jun 12, 10:11 PM CDT	Severe Thunderstorm Warning	FSD	Miner	34 min
Jun 12, 10:15 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	30 min
Jun 12, 10:21 PM CDT	Tornado Warning	FSD	Minnehaha	24 min
Jun 12, 10:27 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	48 min
Jun 12, 10:40 PM CDT	Severe Thunderstorm Warning	FSD	Miner	35 min
Jun 12, 10:42 PM CDT	Tornado Warning	FSD	Minnehaha	33 min
Jun 12, 10:46 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	29 min
Jun 12, 11:10 PM CDT	Severe Thunderstorm Warning	FSD	Lake	35 min
Jun 12, 11:14 PM CDT	Severe Thunderstorm Warning	FSD	Miner	16 min
Jun 12, 11:47 PM CDT	Severe Thunderstorm Warning	FSD	Lake, Moody	28 min
Jun 13, 12:09 AM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	36 min
Jun 13, 12:10 AM CDT	Severe Thunderstorm Warning	FSD	Moody	35 min
Jun 13, 12:42 AM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	33 min
Jun 13, 12:59 AM CDT	Flash Flood Warning	FSD	Minnehaha, Moody	2 hr
Jun 13, 1:14 AM CDT	Severe Thunderstorm Warning	FSD	Brule	46 min
Jun 13, 1:58 AM CDT	Severe Thunderstorm Warning	FSD	Brule	32 min
Jun 13, 2:38 AM CDT	Severe Thunderstorm Warning	FSD	Jerauld	37 min
Jun 13, 2:40 AM CDT	Severe Thunderstorm Warning	FSD	Brule, Charles Mix, Gregory	35 min
Jun 13, 2:51 AM CDT	Severe Thunderstorm Warning	FSD	Beadle	24 min
Jun 13, 3:02 AM CDT	Flash Flood Warning	FSD	Aurora, Beadle, Brule, Jerauld	3 hr
Jun 13, 5:50 AM CDT	Severe Thunderstorm Warning	FSD	Hanson, Miner, Sanborn	40 min
Jun 13, 5:50 AM CDT	Severe Thunderstorm Warning	FSD	Davison	40 min
Jun 13, 6:31 AM CDT	Severe Thunderstorm Warning	FSD	Lake, Miner	44 min
Jun 13, 7:16 AM CDT	Severe Thunderstorm Warning	FSD	Brookings, Lake, Moody	29 min
Jun 13, 7:20 AM CDT	Severe Thunderstorm Warning	FSD	McCook, Minnehaha	25 min
Jun 13, 7:43 AM CDT	Severe Thunderstorm Warning	FSD	Brookings	32 min
Jun 13, 3:05 PM CDT	Severe Thunderstorm Warning	FSD	Beadle	25 min
Jun 13, 3:51 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	24 min
Jun 13, 4:27 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	33 min
Jun 13, 5:51 PM CDT	Severe Thunderstorm Warning	FSD	Moody	24 min
Jun 13, 6:11 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Lincoln, Union	49 min
Jun 13, 6:13 PM CDT	Severe Thunderstorm Warning	FSD	Moody	32 min
Jun 13, 6:41 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	34 min
Jun 13, 6:59 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Union	31 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2001 Every severe thunderstorm warning in 2001

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.