Alert archive / South Dakota / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 33, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 9, 2003, 8:42 PM CDT for McCook County, South Dakota. It was in force for 63 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
- Jun 9, 2003, 8:42 PM CDT (01:42 UTC)
- Expired
- Jun 9, 2003, 9:45 PM CDT
- In force
- 63 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
County McCook County, SD
The radar
The Sioux Falls radar (KFSD), 57 km from the middle of the area, began a volume at 01:44 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 9, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.7 hours before the alert went out and 154 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.
- Mixed-layer CAPE
- 39 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1765 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
288 WUUS53 KFSD 100142 SVRFSD SDC087-100245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 842 PM CDT MON JUN 9 2003 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MCCOOK COUNTY IN SOUTHEAST SOUTH DAKOTA * UNTIL 945 PM CDT * AT 842 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS WITH WIND GUSTS TO 75 MPH...FROM 16 MILES NORTH OF SALEM TO 19 MILES WEST OF BRIDGEWATER...OR FROM 5 MILES SOUTHEAST OF HOWARD TO 12 MILES SOUTHEAST OF MITCHELL... MOVING EAST AT 20 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... SALEM AROUND 915 PM CDT BRIDGEWATER AROUND 925 PM CDT MONTROSE...CANISTOTA AROUND 940 PM 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. THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WIND. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 4384 9757 4351 9761 4351 9717 4383 9715 $$ BOUSTEAD
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 7:07 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 38 min |
| Jun 9, 7:32 PM CDT | Tornado Warning | FSD | Gregory | 28 min |
| Jun 9, 7:47 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 43 min |
| Jun 9, 8:00 PM CDT | Tornado Warning | FSD | Gregory | 30 min |
| Jun 9, 8:18 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 42 min |
| Jun 9, 8:39 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 36 min |
| Jun 9, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 35 min |
| Jun 9, 10:00 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 45 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2003Every severe thunderstorm warning in 2003
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.