Alert archive / South Dakota / Tornado Warnings in 1997
Tornado Warning 37, NWS Aberdeen, SD
NWS Aberdeen, SD issued this tornado warning at Aug 2, 1997, 3:56 PM MDT for Dewey County, South Dakota. It was in force for 34 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
- Aug 2, 1997, 3:56 PM MDT (21:56 UTC)
- Expired
- Aug 2, 1997, 4:30 PM MDT
- In force
- 34 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Dewey County, SD
The radar
The Bismarck radar (KBIS), 180 km from the middle of the area, began a volume at 21:59 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.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 9.9 hours before the alert went out and 180 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
- 929 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 1654 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
109 WFUS1 KABR 022156 RRA TORABR SDC041-022230- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 456 PM CDT SAT AUG 2 1997 * TORNADO WARNING FOR SOUTHEASTERN DEWEY COUNTY - NORTH CENTRAL SOUTH DAKOTA * UNTIL 430 PM MDT (530 PM CDT) * SOME LOCATIONS AFFECTED EAST WHITLOCK CROSSING AROUND 420 PM MDT * AT 354 PM MDT...SPOTTERS REPORTED A TORNADO 28 MILES WEST OF GETTYSBURG OR 10 MILES WEST OF EAST WHITLOCK CROSSING MOVING EAST AT 25 MPH. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR GS/DEE
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Aug 2, 9:31 AM MDT, 6 hours 25 minutes earlier.
Area forecast discussion, Aug 2, 9:31 AM MDT, 6 hours 25 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD AND FOR TRAVERSE/BIG STONE COUNTIES OF MN NATIONAL WEATHER SERVICE ABERDEEN SD 1025 CDT SAT AUG 2 1997 WILL UPDATE SHORTLY TO INTRODUCE 30 PCT POPS THIS AFTERNOON ACROSS NORTHERN TIER OF COUNTIES. WATER VAPOR LOOP SHOWS SHORT WAVE MOVING THRU EASTERN MT INTO WRN DAKOTAS...WITH CLUSTER OF STORMS ALREADY IN NW SD. AIR IS PLENTY UNSTABLE...ESPECIALLY IN EAST WITH HI DEWPOINTS. ALSO MAKING SOME MINOR CHANGES TO WINDS AND MAX TEMPS. .ABR...NONE MIDDLEBROOKE
In the hours before
Special weather statement, Aug 2, 10:45 AM MDT, 5 hours 11 minutes before
SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 1145 AM CDT SAT AUG 2 1997 SDZ006>008-011-018>023-MNZ039-046-030500- BIG STONE MN-BROWN-CLARK-CODINGTON-DAY-DEUEL-GRANT-HAMLIN-MARSHALL- ROBERTS-SPINK-TRAVERSE MN- INCLUDING THE CITIES OF...ABERDEEN...BRITTON...SISSETON...WEBSTER... REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE... WHEATON...ORTONVILLE 1145 AM CDT SAT AUG 2 1997 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY LATE THIS AFTERNOON OR THIS EVENING. A FEW OF THE STORMS MAY BE SEVERE...WITH LARGE HAIL AND STRONG DAMAGING WINDS. SDZ003>005-009-010-015>017-030500- CAMPBELL-CORSON-DEWEY-EDMUNDS-FAULK-MCPHERSON-POTTER-WALWORTH- INCLUDING THE CITIES OF...MCINTOSH...MOUND CITY...EUREKA...MOBRIDGE... ROSCOE...TIMBER LAKE...GETTYSBURG...FAULKTON 1145 AM CDT SAT AUG 2 1997 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON...AND PERSIST INTO EARLY EVENING. ISOLATED SEVERE STORMS ARE POSSIBLE...WITH LARGE HAIL AND STRONG DAMAGING WINDS. SDZ033>037-045-048-051-030500- BUFFALO-HAND-HUGHES-HYDE-JONES-LYMAN-STANLEY-SULLY- INCLUDING THE CITIES OF...FT PIERRE...ONIDA...PIERRE...HIGHMORE... MILLER...MURDO...PRESHO...FT THOMPSON 1145 AM CDT SAT AUG 2 1997 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING... WIDELY SCATTERED THUNDERSTORMS ARE FORECAST FOR THIS EVENING. ONE OR TWO OF THE STORMS MAY BE SEVERE...WITH LARGE HAIL AND DAMAGING WINDS. .A WEAK DISTURBANCE WILL MOVE EAST ACROSS SOUTH DAKOTA THIS AFTERNOON... AND INTO WESTERN MINNESOTA TONIGHT. AS THIS DISTURBANCE MOVES INTO INCREASINGLY MOIST AND UNSTABLE AIR...SCATTERED THUNDERSTORMS IN WESTERN SOUTH DAKOTA SHOULD STRENGTHEN AND BECOME BETTER ORGANIZED AS THEY MOVE EAST ACROSS NORTHERN SOUTH DAKOTA. THE BEST CHANCE FOR SEVERE STORMS WILL BE IN NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA...WHERE THE BEST LOW-LEVEL MOISTURE IS LOCATED. MIDDLEBROOKE
Special weather statement, Aug 2, 10:48 AM MDT, 5 hours 8 minutes before
SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 1145 AM CDT SAT AUG 2 1997 SDZ006>008-011-018>023-MNZ039-046-030500- BIG STONE MN-BROWN-CLARK-CODINGTON-DAY-DEUEL-GRANT-HAMLIN-MARSHALL- ROBERTS-SPINK-TRAVERSE MN- INCLUDING THE CITIES OF...ABERDEEN...BRITTON...SISSETON...WEBSTER... REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE... WHEATON...ORTONVILLE 1145 AM CDT SAT AUG 2 1997 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY LATE THIS AFTERNOON OR THIS EVENING. A FEW OF THE STORMS MAY BE SEVERE...WITH LARGE HAIL AND STRONG DAMAGING WINDS. SDZ003>005-009-010-015>017-030500- CAMPBELL-CORSON-DEWEY-EDMUNDS-FAULK-MCPHERSON-POTTER-WALWORTH- INCLUDING THE CITIES OF...MCINTOSH...MOUND CITY...EUREKA...MOBRIDGE... ROSCOE...TIMBER LAKE...GETTYSBURG...FAULKTON 1145 AM CDT SAT AUG 2 1997 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON...AND PERSIST INTO EARLY EVENING. ISOLATED SEVERE STORMS ARE POSSIBLE...WITH LARGE HAIL AND STRONG DAMAGING WINDS. SDZ033>037-045-048-051-030500- BUFFALO-HAND-HUGHES-HYDE-JONES-LYMAN-STANLEY-SULLY- INCLUDING THE CITIES OF...FT PIERRE...ONIDA...PIERRE...HIGHMORE... MILLER...MURDO...PRESHO...FT THOMPSON 1145 AM CDT SAT AUG 2 1997 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING... WIDELY SCATTERED THUNDERSTORMS ARE FORECAST FOR THIS EVENING. ONE OR TWO OF THE STORMS MAY BE SEVERE...WITH LARGE HAIL AND DAMAGING WINDS. .A WEAK DISTURBANCE WILL MOVE EAST ACROSS SOUTH DAKOTA THIS AFTERNOON... AND INTO WESTERN MINNESOTA TONIGHT. AS THIS DISTURBANCE MOVES INTO INCREASINGLY MOIST AND UNSTABLE AIR...SCATTERED THUNDERSTORMS IN WESTERN SOUTH DAKOTA SHOULD STRENGTHEN AND BECOME BETTER ORGANIZED AS THEY MOVE EAST ACROSS NORTHERN SOUTH DAKOTA. THE BEST CHANCE FOR SEVERE STORMS WILL BE IN NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA...WHERE THE BEST LOW-LEVEL MOISTURE IS LOCATED. MIDDLEBROOKE
Special weather statement, Aug 2, 2:55 PM MDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 355 PM CDT SAT AUG 2 1997 SDZ004>007-009>011-016>020-022-034>037-048-051-030400- BROWN-BUFFALO-CAMPBELL-CLARK-CODINGTON-DAY-EDMUNDS-FAULK-HAMLIN-HAND- HUGHES-HYDE-LYMAN-MARSHALL-MCPHERSON-POTTER-SPINK-SULLY-WALWORTH- INCLUDING THE CITIES OF...MOUND CITY...EUREKA...ABERDEEN...BRITTON... MOBRIDGE...ROSCOE...WEBSTER...GETTYSBURG...FAULKTON...REDFIELD... CLARK...WATERTOWN...CASTLEWOOD...ONIDA...PIERRE...HIGHMORE...MILLER... PRESHO...FT THOMPSON 355 PM CDT SAT AUG 2 1997 ...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND NORTHEAST SOUTH DAKOTA UNTIL 10 PM CDT... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 10 PM THIS EVENING FOR A LARGE PORTION OF CENTRAL AND NORTHEAST SOUTH DAKOTA...MAINLY EAST OF THE RIVER. SEVERE THUNDERSTORMS WITH LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN ARE POSSIBLE. COMMUNITIES IN THE WATCH INCLUDE MOBRIDGE...GETTYSBURG...PIERRE... PRESHO...ABERDEEN...FAULKTON...FORT THOMPSON...REDFIELD...BRITTON... SISSETON...AND WATERTOWN. IF YOU LIVE IN OR NEAR THE WATCH AREA...BE ALERT FOR THREATENING WEATHER. SEEK SHELTER IMMEDIATELY IF A WARNING IS ISSUED. MIDDLEBROOKE
Special weather statement, Aug 2, 3:00 PM MDT, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 355 PM CDT SAT AUG 2 1997 SDZ004>007-009>011-016>020-022-034>037-048-051-030400- BROWN-BUFFALO-CAMPBELL-CLARK-CODINGTON-DAY-EDMUNDS-FAULK-HAMLIN-HAND- HUGHES-HYDE-LYMAN-MARSHALL-MCPHERSON-POTTER-SPINK-SULLY-WALWORTH- INCLUDING THE CITIES OF...MOUND CITY...EUREKA...ABERDEEN...BRITTON... MOBRIDGE...ROSCOE...WEBSTER...GETTYSBURG...FAULKTON...REDFIELD... CLARK...WATERTOWN...CASTLEWOOD...ONIDA...PIERRE...HIGHMORE...MILLER... PRESHO...FT THOMPSON 355 PM CDT SAT AUG 2 1997 ...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND NORTHEAST SOUTH DAKOTA UNTIL 10 PM CDT... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 10 PM THIS EVENING FOR A LARGE PORTION OF CENTRAL AND NORTHEAST SOUTH DAKOTA...MAINLY EAST OF THE RIVER. SEVERE THUNDERSTORMS WITH LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN ARE POSSIBLE. COMMUNITIES IN THE WATCH INCLUDE MOBRIDGE...GETTYSBURG...PIERRE... PRESHO...ABERDEEN...FAULKTON...FORT THOMPSON...REDFIELD...BRITTON... SISSETON...AND WATERTOWN. IF YOU LIVE IN OR NEAR THE WATCH AREA...BE ALERT FOR THREATENING WEATHER. SEEK SHELTER IMMEDIATELY IF A WARNING IS ISSUED. MIDDLEBROOKE
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:17 PM MDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 48 min |
| Aug 2, 3:24 PM MDT | Severe Thunderstorm Warning | ABR | Campbell | 61 min |
| Aug 2, 3:28 PM MDT | Severe Thunderstorm Warning | ABR | Sully | 62 min |
| Aug 2, 3:41 PM MDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 59 min |
| Aug 2, 4:05 PM MDT | Severe Thunderstorm Warning | ABR | Spink | 50 min |
| Aug 2, 4:10 PM MDT | Severe Thunderstorm Warning | ABR | Potter | 65 min |
| Aug 2, 4:42 PM MDT | Severe Thunderstorm Warning | ABR | Marshall | 48 min |
| Aug 2, 5:08 PM MDT | Severe Thunderstorm Warning | ABR | Sully | 47 min |
| Aug 2, 5:13 PM MDT | Severe Thunderstorm Warning | ABR | Spink | 47 min |
| Aug 2, 5:32 PM MDT | Severe Thunderstorm Warning | ABR | Day | 63 min |
Nearby
Tornado Warnings in South Dakota, 1997Every tornado warning in 1997Tornadoes 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; radar from the NEXRAD Level II archive.