Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 105, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 17, 1996, 6:46 PM CDT for Brown County, South Dakota. It was in force for 49 min. 3 reports 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 17, 1996, 6:46 PM CDT (23:46 UTC)
- Expired
- Jul 17, 1996, 7:35 PM CDT
- In force
- 49 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Brown County, SD
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 7:00 PM CDT | Hail 1 | Tacoma Park, SD | |
| Jul 17, 7:06 PM CDT | Hail 1 | Groton, SD | |
| Jul 17, 7:36 PM CDT | Tornado F0 | Groton, SD |
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 nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.8 hours before the alert went out and 223 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
- 163 J/kg
- Mixed-layer CIN
- -333 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Jul 17, 3:42 PM CDT, 3 hours 4 minutes before
SDZ003>005-009-010-015>017-033>037-045-048-051-180250- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 343 PM CDT (243 PM MDT) WED JUL 17 1996 ...TORNADO WATCH IN EFFECT FOR CENTRAL AND PARTS OF NORTHEAST SOUTH DAKOTA UNTIL 10 PM CDT... A TORNADO WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND PARTS OF NORTHEAST SOUTH DAKOTA. THIS MEANS THAT SEVERE THUNDERSTORMS AND EVEN TORNADOES WILL BE A POSSIBILITY IN THE WATCH AREA THROUGH 10 PM. THE WATCH AREA GENERALLY STRETCHES OVER AN AREA FROM MOBRIDGE SOUTH TO PIERRE AND EAST TO JUST WEST OF BROWN AND SPINK COUNTY. EVEN YOU ARE IN THE WATCH AREA PLEASE STAY CLOSE TO A RADIO OR TV IN CASE WARNINGS ARE ISSUED. TDK
Local storm report, Jul 17, 4:52 PM CDT, 1 hour 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
455 PM CDT WED JUL 17 1996
TIME(CDT) ...CITY LOCATION.... STATE ...EVENT/REMARKS....
...COUNTY LOCATION...
0442 PM 2 N ISABEL SD 1.75 HAIL
07/17/96 DEWEY
TDKLocal storm report, Jul 17, 5:05 PM CDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
507 PM CDT WED JUL 17 1996
TIME(CDT) ...CITY LOCATION.... STATE ...EVENT/REMARKS....
...COUNTY LOCATION...
0410 PM 8 NE GLAD VALLEY SD .75 HAIL
07/17/96 CORSON
TDKThe office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 2:17 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 63 min |
| Jul 17, 4:04 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 46 min |
| Jul 17, 4:32 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 48 min |
| Jul 17, 6:52 PM CDT | Tornado Warning | ABR | Brown | 48 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1996Every severe thunderstorm warning in 1996
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.