Alert archive / South Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 104, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 1, 1997, 1:20 PM CDT for Spink County, South Dakota. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1997, 1:20 PM CDT (18:20 UTC)
- Expired
- Jul 1, 1997, 2:20 PM CDT
- In force
- 60 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Spink County, SD
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, 1:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 6.3 hours before the alert went out and 6 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, 16 hours earlier.
Area forecast discussion, Jun 30, 9:20 PM CDT, 16 hours 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, 10:44 AM CDT, 2 hours 36 minutes before
SDZ003-004-009-015-016-033>036-045-048-011745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1043 AM CDT (943 AM MDT) TUE JUL 1 1997 ...TORNADO WATCH UNTIL 1 PM CDT (NOON MDT) FOR CENTRAL AND NORTH CENTRAL SOUTH DAKOTA HAS BEEN CANCELED... NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS CENTRAL AND NORTH CENTRAL SOUTH DAKOTA THROUGH THE AFTERNOON. SOME WILL PRODUCE VERY HEAVY RAIN...POSSIBLE HAIL AND STRONG GUSTY WINDS AS A STRONG AREA OF LOW PRESSURE MOVES INTO SOUTH DAKOTA. SEVERE THUNDERSTORMS ARE STILL A POSSIBILITY THROUGHOUT THE AFTERNOON...SO BE ON THE LOOKOUT. DM
Special weather statement, Jul 1, 11:35 AM CDT, 1 hour 45 minutes before
SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 1135 AM CDT TUE JUL 1 1997 SDZ007-008-011-019>023-MNZ039-046-020500- BIG STONE MN-CLARK-CODINGTON-DAY-DEUEL-GRANT-HAMLIN-MARSHALL-ROBERTS- TRAVERSE MN- INCLUDING THE CITIES OF...BRITTON...SISSETON...WEBSTER...CLARK... WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE...WHEATON...ORTONVILLE 1135 AM CDT TUE JUL 1 1997 ...SEVERE THUNDERSTORMS LIKELY THIS AFTERNOON AND EARLY EVENING... SEVERE THUNDERSTORMS...SOME WHICH MAY PRODUCE TORNADOES...ARE LIKELY THIS AFTERNOON AND EVENING...BASICALLY EAST OF A LINE FROM BRITTON SOUTH TO CLARK. SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON. SDZ003>006-009-010-015>018-033>037-045-048-051-020500- BROWN-BUFFALO-CAMPBELL-CORSON-DEWEY-EDMUNDS-FAULK-HAND-HUGHES-HYDE- JONES-LYMAN-MCPHERSON-POTTER-SPINK-STANLEY-SULLY-WALWORTH- INCLUDING THE CITIES OF...MCINTOSH...MOUND CITY...EUREKA...ABERDEEN... MOBRIDGE...ROSCOE...TIMBER LAKE...GETTYSBURG...FAULKTON...REDFIELD... FT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...MURDO...PRESHO... FT THOMPSON 1135 AM CDT TUE JUL 1 1997 ...A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THE AFTERNOON... SEVERE THUNDERSTORMS WILL BE POSSIBLE THROUGH THE AFTERNOON WITH LARGE HAIL AND STRONG WINDS POSSIBLE. .A STRONG LOW PRESSURE SYSTEM WILL BRING THE THREAT OF SEVERE WEATHER TO THE REGION THIS AFTERNOON. THE BEST CHANCE OF SEVERE WILL BE EAST OF THE MISSOURI RIVER. TAKE COVER IF STORMS APPROACH OR WARNINGS ARE ISSUED. TDK
Special weather statement, Jul 1, 11:36 AM CDT, 1 hour 44 minutes before
SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 1135 AM CDT TUE JUL 1 1997 SDZ007-008-011-019>023-MNZ039-046-020500- BIG STONE MN-CLARK-CODINGTON-DAY-DEUEL-GRANT-HAMLIN-MARSHALL-ROBERTS- TRAVERSE MN- INCLUDING THE CITIES OF...BRITTON...SISSETON...WEBSTER...CLARK... WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE...WHEATON...ORTONVILLE 1135 AM CDT TUE JUL 1 1997 ...SEVERE THUNDERSTORMS LIKELY THIS AFTERNOON AND EARLY EVENING... SEVERE THUNDERSTORMS...SOME WHICH MAY PRODUCE TORNADOES...ARE LIKELY THIS AFTERNOON AND EVENING...BASICALLY EAST OF A LINE FROM BRITTON SOUTH TO CLARK. SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON. SDZ003>006-009-010-015>018-033>037-045-048-051-020500- BROWN-BUFFALO-CAMPBELL-CORSON-DEWEY-EDMUNDS-FAULK-HAND-HUGHES-HYDE- JONES-LYMAN-MCPHERSON-POTTER-SPINK-STANLEY-SULLY-WALWORTH- INCLUDING THE CITIES OF...MCINTOSH...MOUND CITY...EUREKA...ABERDEEN... MOBRIDGE...ROSCOE...TIMBER LAKE...GETTYSBURG...FAULKTON...REDFIELD... FT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...MURDO...PRESHO... FT THOMPSON 1135 AM CDT TUE JUL 1 1997 ...A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THE AFTERNOON... SEVERE THUNDERSTORMS WILL BE POSSIBLE THROUGH THE AFTERNOON WITH LARGE HAIL AND STRONG WINDS POSSIBLE. .A STRONG LOW PRESSURE SYSTEM WILL BRING THE THREAT OF SEVERE WEATHER TO THE REGION THIS AFTERNOON. THE BEST CHANCE OF SEVERE WILL BE EAST OF THE MISSOURI RIVER. TAKE COVER IF STORMS APPROACH OR WARNINGS ARE ISSUED. TDK
Local storm report, Jul 1, 12:50 PM CDT, 30 minutes before
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</html>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, 7:47 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 48 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, 1:38 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; the sounding from the Mesonet's radiosonde archive.