Alert archive / South Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 24, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 19, 1997, 11:03 PM CDT for Buffalo County, South Dakota. It was in force for 62 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 19, 1997, 11:03 PM CDT (04:03 UTC)
- Expired
- Jun 20, 1997, 12:05 AM CDT
- In force
- 62 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Buffalo County, SD
The radar
The Aberdeen radar (KABR), 166 km from the middle of the area, began a volume at 04:05 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 19, 11:25 PM CDT | Hail 1.75 | Ft Thompson, 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 00:00Z, 4.1 hours before the alert went out and 112 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
- 941 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1569 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
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.
NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 8:41 PM CDT, 2 hours 22 minutes earlier.
Area forecast discussion, Jun 19, 8:41 PM CDT, 2 hours 22 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD AND FOR TRAVERSE/BIG STONE COUNTIES OF MN NATIONAL WEATHER SERVICE ABERDEEN SD 845 PM CDT THU JUN 19 1997 THUNDERSTORM STILL A POSSIBILITY IN NORTHEAST SD AND WEST CENTRAL MN THRU THE REST OF THE EVENING. ELSEWHERE...THUNDERSTORM THREAT APPEARS TO HAVE ENDED ACROSS OUR CWA. WILL UPDATE OUR ZONES TO REFLECT THIS AND MAKE A FEW COSMETIC CHANGES. .ABR...NONE TALLMAN
In the hours before
Special weather statement, Jun 19, 5:27 PM CDT, 5 hours 36 minutes before
MNZ039-046-SDZ004>011-016>023-033>037-045-048-051-200500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 526 PM CDT (426 PM MDT) THU JUN 19 1997 ...A FEW SEVERE THUNDERSTORMS ARE POSSIBLE THIS EVENING FOR A PART OF NORTHERN SOUTH DAKOTA...ALL OF CENTRAL SOUTH DAKOTA AND WEST CENTRAL MINNESOTA... A FEW SEVERE THUNDERSTORMS MAY PRODUCE LARGE HAIL AND DAMAGING WINDS. AN UPPER LEVEL DISTURBANCE INTERACTING WITH A WARM AND MOIST AIRMASS COULD SET OFF THESE THUNDERSTORMS. IF YOU PLAN TO BE OUTDOORS THIS EVENING...KEEP YOUR EYE ON THE SKY AND BE PREPARED TO TAKE COVER IF A SEVERE THUNDERSTORM APPROACHES. REMEMBER A SEVERE THUNDERSTORM PRODUCES WINDS IN EXCESS OF 58 MPH AND HAIL GREATER THAN 3/4 INCHES IN DIAMETER. KEEP TUNED TO YOUR FAVORITE MEDIA SOURCE FOR THE LATEST UPDATES. HG
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 9:47 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 48 min |
| Jun 19, 10:34 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 46 min |
| Jun 19, 11:22 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 48 min |
| Jun 19, 11:41 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 49 min |
| Jun 20, 1:13 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 32 min |
| Jun 20, 1:34 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 31 min |
| Jun 20, 1:53 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 47 min |
| Jun 20, 1:54 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 46 min |
| Jun 20, 2:05 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 45 min |
| Jun 20, 2:22 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 33 min |
| Jun 20, 2:47 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 28 min |
| Jun 20, 2:47 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hyde | 28 min |
| Jun 20, 2:52 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 63 min |
| Jun 20, 2:55 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 65 min |
| Jun 20, 3:14 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 31 min |
| Jun 20, 3:56 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 49 min |
| Jun 20, 4:05 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 65 min |
| Jun 19, 10:14 PM CDT | Severe Thunderstorm Warning | ABR | Traverse | 46 min |
| Jun 19, 10:44 PM CDT | Severe Thunderstorm Warning | ABR | Big Stone | 61 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1997Every severe thunderstorm warning in 1997
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.