Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 85, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 20, 1996, 6:03 PM CDT for McCook County, South Dakota. It was in force for 32 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
- Jun 20, 1996, 6:03 PM CDT (23:03 UTC)
- Expired
- Jun 20, 1996, 6:35 PM CDT
- In force
- 32 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County McCook County, SD
The radar
The Sioux Falls radar (KFSD), 52 km from the middle of the area, began a volume at 23:05 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 |
|---|---|---|---|
| Jun 20, 6:12 PM CDT | Hail 1.75 | Salem, 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
Aberdeen, SD (KABR), launched 12:00Z, 11.1 hours before the alert went out and 159 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2112 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 202303 SVRFSD SDC087-202335- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 603 PM CDT THU JUN 20 1996 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 635 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST SOUTH DAKOTA ...NORTHERN MCCOOK COUNTY AT 601 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY SIOUX FALLS DOPPLER RADAR 25 MILES EAST OF MITCHELL OR 6 MILES WEST OF SALEM MOVING EAST AT 20 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... SALEM AROUND 615 PM CDT GOLFBALL SIZE HAIL WAS REPORTED 3 MILES EAST OF SPENCER AT 6 PM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 9 PM CDT. HEITKAMP &
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
Local storm report, Jun 20, 1:59 PM CDT, 4 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT...PART 3
NATIONAL WEATHER SERVICE SIOUX FALLS SD
207 AM CDT THU JUN 20 1996
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0910 PM HINTON IA 3.50 INCH HAIL
06/19/96 PLYMOUTH SOME 3.00 INCH HAIL
0950 PM 7 NW KINGSLEY IA 1.75 INCH HAIL
06/19/96 PLYMOUTH
1001 PM 5 SW CHEROKEE IA 0.88 INCH HAIL
06/19/96 CHEROKEE
1011 PM 3.5 N REMSEN IA WIND DAMAGE
06/19/96 PLYMOUTH POWER LINES DOWN AND TREE
DAMAGE
1013 PM CORRECTIONVILLE IA 1.75 INCH HAIL
06/19/96 WOODBURY
1014 PM 2 SW CORRECTIONVILLE IA 2.50 INCH HAIL
06/19/96 WOODBURY
900 PM 2 N HINTON IA 2.75 INCH HAIL
06/19/96 PLYMOUTH DAMAGED CAR ON HIGHWAY 75
0838 PM SIOUX CENTER IA 1.00 INCH HAIL
06/19/96 SIOUX
1005 PM 6 W CHEROKEE IA 1.75 INCH HAIL
06/19/96 CHEROKEE COVERING GROUND
1115 PM WASHTA IA 1.75 INCH HAIL
06/19/96 CHEROKEE MOSTLY 0.50 INCH HAIL
1142 PM 10 W LEMARS IA 0.75 INCH HAIL
06/19/96 PLYMOUTH
1208 AM 1 N MOVILLE IA 1.75 INCH HAIL
06/20/96 WOODBURY
1222 AM PIERSON IA 0.75 INCH HAIL
06/20/96 WOODBURY
1229 AM 3 NW ANTHON IA 1.75 INCH HAIL
06/20/96 WOODBURY MOSTLY 0.50 INCH
1235 AM 5 S ANTHON IA 1.75 INCH HAIL
06/20/96 WOODBURY COVERING GROUND AND 50
MPH WINDS
1202 AM HOLSTEIN IA 1.50 INCH HAIL
06/20/96 IDA
1205 AM KINGSLEY IA 1.75 INCH HAIL
06/20/96 PLYMOUTH 58 MPH WINDS
1212 AM KINGSLEY IA 1.75 INCH HAIL
06/20/96 PLYMOUTH 15 MINUTE DURATION
1220 AM CLIMBING HILL IA 61 MPH WIND GUST
06/20/96 WOODBURY ( SPOTTER REPORT
ENDThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 7:44 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 31 min |
| Jun 19, 8:10 PM CDT | Severe Thunderstorm Warning | FSD | Union | 30 min |
| Jun 20, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 30 min |
| Jun 20, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 30 min |
| Jun 20, 6:00 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison | 30 min |
| Jun 20, 6:32 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson | 33 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; radar from the NEXRAD Level II archive.