Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 21, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at May 17, 1996, 4:09 PM CDT for Spink County, South Dakota. It was in force for 66 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
- May 17, 1996, 4:09 PM CDT (21:09 UTC)
- Expired
- May 17, 1996, 5:15 PM CDT
- In force
- 66 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Spink County, SD
The radar
The Aberdeen radar (KABR), 58 km from the middle of the area, began a volume at 21:10 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 |
|---|---|---|---|
| May 17, 5:00 PM CDT | Thunderstorm Wind 70 | Redfield, 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, 9.2 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
- 1289 J/kg
- Mixed-layer CIN
- -330 J/kg
- Mixed-layer LCL
- 656 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 52 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 KABR 172108 SVRABR SDC115-172215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 409 PM CDT FRI MAY 17 1996 THE NATIONAL WEATHER SERVICE IN ABERDEEN SD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST SOUTH DAKOTA ...SPINK COUNTY AT 408 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY ABERDEEN DOPPLER RADAR 39 MILES NORTHWEST OF HURON OR 9 MILES WEST OF REDFIELD MOVING NORTHEAST AT 40 MPH. THIS SEVERE THUNDERSTORM IS EXPECTED TO REACH... REDFIELD AROUND 422 PM CDT ATHOL AROUND 429 PM CDT ASHTON AROUND 431 PM CDT NORTHVILLE AROUND 442 PM CDT MELLETTE AROUND 445 PM CDT BRENTFORD AROUND 451 PM CDT MANSFIELD AROUND 453 PM CDT TURTON AROUND 457 PM CDT CONDE AROUND 503 PM CDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...DESTRUCTIVE HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING AND VERY HEAVY R(AIN THAT CAN QUICKLY FLOOD A LOW LYING AREA. IF YOU ARE IN THE PATH OF THIS STORM TAKE ACTION NOW TO PROTECT YOUR FAMILY... YOURSELF AND YOUR PROPERTY.
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
Special weather statement, May 17, 10:46 AM CDT, 5 hours 23 minutes before
MNZ039-046-SDZ005>008-010-011-017>023-171850- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1047 AM CDT FRI MAY 17 1996 ...SEVERE THUNDERSTORMS POSSIBLE OVER NORTHEASTERN SOUTH DAKOTA AND WEST CENTRAL MINNESOTA THIS AFTERNOON AND EVENING... A STRONG LOW PRESSURE SYSTEM WILL MOVE NORTHEAST OUT OF NEBRASKA THIS AFTERNOON AND SHOULD MOVE INTO WESTERN MINNESOTA THIS EVENING. AHEAD OF THIS SYSTEM THUNDERSTORMS WILL ERUPT OVER EASTERN SOUTH DAKOTA AND WESTERN MINNESOTA. SOME OF THOSE THUNDERSTORMS WILL BE SEVERE AND COULD EVEN PRODUCE TORNADOES. THE HIGHEST THREAT OF TORNADOES WILL BE OVER EXTREME EASTERN SOUTH DAKOTA AND WESTERN MINNESOTA. RESIDENTS OVER EASTERN SOUTH DAKOTA AND WEST CENTRAL MINNESOTA SHOULD STAY CLOSE TO A RADIO OR TELEVISION AND LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS. EMERGENCY MANAGERS AND COUNTY DISPATCH OFFICES SHOULD BE PREPARED FOR POSSIBLE ACTIVATION OF SKYWARN THIS AFTERNOON AfND EVENING. TDK
Special weather statement, May 17, 2:52 PM CDT, 1 hour 17 minutes before
MNZ039-046-SDZ007-008-011-019>023-172025- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 252 PM CDT FRI MAY 17 1996 A STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR THE COUNTIES IN NORTHEAST SOUTH DAKOTA AND PARTS OF WEST CENTRAL MINNESOTA. THE COUNTIES THAT ARE AFFECTED ARE: CLARK...GRANT...CODINGTON...HAMLIN...DAY...MARSHALL...DEUEL AND ROBERTS COUNTIES OF NORTHEAST SOUTH DAKOTA. TRAVERSE AND BIG STONE COUNTIES OF WEST CENTRAL MINNESOTA. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN bFOR LATER STATEMENTS AND POSSIBLE WARNINGS. SALMONS
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 10:11 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 59 min |
| May 16, 10:47 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 58 min |
| May 16, 11:16 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 59 min |
| May 16, 11:28 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 57 min |
| May 16, 11:48 PM CDT | Tornado Warning | ABR | Corson, Dewey | 32 min |
| May 17, 12:23 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Walworth | 52 min |
| May 17, 12:43 AM CDT | Severe Thunderstorm Warning | ABR | McPherson | 47 min |
| May 17, 2:02 PM CDT | Severe Thunderstorm Warning | ABR | Day | 63 min |
| May 17, 2:13 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 62 min |
| May 17, 2:14 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 61 min |
| May 17, 3:51 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 29 min |
| May 17, 4:02 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 63 min |
| May 17, 4:03 PM CDT | Severe Thunderstorm Warning | ABR | Day | 62 min |
| May 17, 4:17 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 63 min |
| May 17, 4:56 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant | 49 min |
| May 17, 5:04 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 46 min |
| May 17, 5:21 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 49 min |
| May 17, 5:27 PM CDT | Tornado Warning | ABR | Codington, Grant | 33 min |
| May 17, 5:32 PM CDT | Severe Thunderstorm Warning | ABR | Day | 48 min |
| May 17, 5:42 PM CDT | Tornado Warning | ABR | Grant, Roberts | 48 min |
| May 17, 5:42 PM CDT | Tornado Warning | ABR | Codington | 48 min |
| May 17, 5:42 PM CDT | Tornado Warning | ABR | Marshall | 48 min |
| May 17, 6:01 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 49 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.