Alert archive / South Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 100, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 1, 1997, 7:47 AM CDT for Jones County, South Dakota. It was in force for 48 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 1, 1997, 7:47 AM CDT (12:47 UTC)
- Expired
- Jul 1, 1997, 8:35 AM CDT
- In force
- 48 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Jones County, SD
The radar
The Rapid City radar (KUDX), 172 km from the middle of the area, began a volume at 12:47 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 1, 8:04 AM CDT | Hail 1.75 | Van Metre, 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 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, 6:15 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 0.8 hours before the alert went out and 210 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
- 1327 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1148 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
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 30, 9:20 PM CDT, 10 hours 27 minutes earlier.
Area forecast discussion, Jun 30, 9:20 PM CDT, 10 hours 27 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD AND FOR TRAVERSE/BIG STONE COUNTIES OF MN NATIONAL WEATHER SERVICE ABERDEEN SD 920 PM CDT SUN JUN 30 1997 SEVERAL OUTFLOW BOUNDRIES FORM PREVIOUS MCS ARE MOVG THRU THE CWA ATTM WHICH HAD TRIGGERED OFF A FEW TSTMS. THESE STORMS HAS WEAKEN AND WILL BE ALL BUT GONE BY SUN SET. THIS SHUD LEAVE P/CLDY SKIES FOR THE REST OF THE NIGHT & WILL UPDATE TO REMOVE PRECIP. .ABR...NONE
In the hours before
Special weather statement, Jul 1, 4:29 AM CDT, 3 hours 18 minutes before
MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-012055- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 428 AM CDT (252 AM MDT) TUE JUL 1 1997 ...A TORNADO OUTBREAK ALONG WITH DAMAGING WINDS...AND LARGE HAIL ARE LIKELY ACROSS NORTHERN AND CENTRAL SOUTH DAKOTA AND PORTIONS OF WEST CENTRAL MINNESOTA TODAY... A POWERFUL SPRING LIKE STORM WILL MOVE ACROSS NORTHERN AND CENTRAL SOUTH DAKOTA AND WEST CENTRAL MINNESOTA TODAY. AS IT ENCOUNTERS A WARM AND MOIST EARLY SUMMER AIRMASS...LOOK FOR SEVERE AND TORNADIC THUNDERSTORMS TO RAPIDLY DEVELOP. A FEW OF THESE TORNADOES MAY BECOME VIOLENT ESPECIALLY ACROSS NORTHEAST SOUTH DAKOTA BETWEEN NOON AND 7 PM. GO OVER YOUR TORNADO PREPAREDENESS PLANS AND KNOW WHAT TO DO. THE SAFEST PLACE IS IN THE CENTER PART OF YOUR BASEMENT UNDERNEATH A STURDY WORKBENCH. ABANDON MOBILE HOMES FOR A BASEMENT. IF YOU DO NOT HAVE A BASEMENT...THEN THE BEST PLACE IS IN THE INNERMOST ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. SPOTTER ACTIVATION MAY BE LIKELY BY LATE MORNING INTO THE AFTERNOON. KEEP TUNED TO YOUR FAVORITE WEATHER SOURCE FOR THE LATEST WATCHES AND WARNINGS. HG
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 7:26 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 59 min |
| Jun 30, 8:44 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 46 min |
| Jun 30, 9:19 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 76 min |
| Jun 30, 9:58 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 32 min |
| Jun 30, 11:45 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 35 min |
| Jul 1, 4:13 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 62 min |
| Jul 1, 6:13 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 62 min |
| Jul 1, 6:36 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 64 min |
| Jul 1, 8:19 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 61 min |
| Jul 1, 12:07 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 63 min |
| Jul 1, 12:48 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 47 min |
| Jul 1, 1:20 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 60 min |
| Jul 1, 1:38 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 62 min |
| Jul 1, 3:22 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 48 min |
| Jul 1, 3:28 PM CDT | Severe Thunderstorm Warning | ABR | Day | 47 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.