Alert archive / South Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 57, NWS Aberdeen, SD

July 2, 2000Edmunds County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 2, 2000, 12:18 AM CDT for Edmunds County, South Dakota. It was in force for 27 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 2, 2000, 12:18 AM CDT (05:18 UTC)
Expired: Jul 2, 2000, 12:45 AM CDT
In force: 27 min
Issued by: NWS Aberdeen, SD
Area: Whole counties

County Edmunds County, SD

The radar

The Aberdeen radar (KABR), 63 km from the middle of the area, began a volume at 05:17 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

Time	Report	Where	Remark
Jul 2, 12:27 AM CDT	Thunderstorm Wind 61 E	Ipswich, SD	High winds to 70 mph rolled round haybales about 50 feet, blew a well cover onto a car, and blew a calf shelter nearly 50 feet

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 1, 8:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 1, 9:15 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 5.3 hours before the alert went out and 86 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: 3394 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 2103 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 132 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.0

Open this sounding in Storm Lab

The text

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

968 
WUUS53 KABR 020518
SVRABR
SDC045-020545-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
1218 AM CDT SUN JUL 2 2000

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EDMUNDS COUNTY IN SOUTH DAKOTA

* UNTIL 1245 AM CDT

* AT 1218 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES WEST OF IPSWICH...MOVING EAST AT 45
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  IPSWICH AROUND 1225 AM CDT
  PAMBROOK COLONY...PLAINVIEW COLONY AROUND 1230 AM CDT
  CRAVENS CORNER...DEERFIELD COLONY AROUND 1235 AM CDT
  MINA AROUND 1245 AM CDT

THIS STORM IS CAPABLE OF PRODUCING DAMAGING WIND. GO INSIDE A STURDY 
BUILDING AND STAY AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN ABERDEEN.
$$
LAT...LON 4559 9931 4527 9927 4527 9875 4559 9874

ECKBERG

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 Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 9:05 PM CDT, 3 hours 13 minutes earlier.

Area forecast discussion, Jul 1, 9:05 PM CDT, 3 hours 13 minutes before

AREA FORECAST DISCUSSION FOR CENTRAL/NORTHCENTRAL AND NORTHEAST
SOUTH DAKOTA AND WEST CENTRAL MINNESOTA
NATIONAL WEATHER SERVICE ABERDEEN SD
905 PM CDT SAT JUL 01 2000

UPDATED FOR NEW WATCH AND THUNDERSTORM TRENDS. KABR 88D INDICATED
A BAND OF THUNDERSTORMS FROM NORTHEAST BROWN INTO NORTHERN ROBERTS
COUNTY. OTHER THUNDERSTORMS WERE WEST RIVER MOVING EAST AT THIS
TIME. MAIN THREAT IS STRONG WINDS AND LARGE HAIL WITH SOME OF THESE
STORMS.

.ABR...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2AM CDT...
       1AM MDT FOR MUCH OF NORTH CENTRAL...NORTHEAST...AND
       CENTRAL SOUTH DAKOTA.

ECKBERG

In the hours before

Local storm report, Jul 1, 10:03 PM CDT, 2 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN, SD
1003 PM CDT SAT JUL 1 2000

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

0750 PM    10 ENE FREDERICK          SD   .88 INCH HAIL
07/01/00   BROWN

0900 PM    9 E FREDERICK             SD   .88 INCH HAIL
07/01/00   BROWN                          WINDOWS BROKEN OUT OF A
                                          HOUSE

KWH

Local storm report, Jul 1, 10:03 PM CDT, 2 hours 15 minutes before

LSRABR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN, SD
1003 PM CDT SAT JUL 1 2000

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

0901 PM    9 E FREDERICK             SD   .88 INCH HAIL
07/01/00   BROWN                          WINDOWS BROKEN OUT OF A
                                          HOUSE

KWH

Local storm report, Jul 1, 10:18 PM CDT, 2 hours before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN, SD
1018 PM CDT SAT JUL 1 2000

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

0850 PM    8 N COLUMBIA              SD   2.50 INCH HAIL
07/01/00   BROWN                          REPORTED AT SAND LAKE
                                          NATIONAL WILDLIFE REFUGE.

KWH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 7:30 PM CDT	Severe Thunderstorm Warning	ABR	Brown	30 min
Jul 1, 8:00 PM CDT	Severe Thunderstorm Warning	ABR	Brown	45 min
Jul 1, 8:47 PM CDT	Severe Thunderstorm Warning	ABR	Brown	43 min
Jul 1, 10:38 PM CDT	Severe Thunderstorm Warning	ABR	Dewey	52 min
Jul 1, 11:34 PM CDT	Severe Thunderstorm Warning	ABR	Marshall	26 min
Jul 2, 12:52 AM CDT	Severe Thunderstorm Warning	ABR	Brown	38 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2000 Every severe thunderstorm warning in 2000

Sources

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