Alert archive / South Dakota / Tornado Warnings in 1986
Tornado Warning 19, NWS Aberdeen, SD
NWS Aberdeen, SD issued this tornado warning at Jul 28, 1986, 4:48 PM CDT for Buffalo County, South Dakota. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Jul 28, 1986, 4:48 PM CDT (21:48 UTC)
- Expired
- Jul 28, 1986, 5:15 PM CDT
- In force
- 27 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Buffalo County, SD
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 9.8 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
- 2250 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHON 282148 TORHON SDC017-282215- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HURON SD 448 PM CDT MON JUL 28 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF CENTRAL SOUTH DAKOTA...SOUTHERN BUFFALO THIS WARNING INCLUDES THE ADJACENT WATERS OF THE MISSOURI RIVER. SOME OF THE CITIES INCLUDED IN THE WARNING AREA ARE GANN VALLEY. AT 440 PM CDT RADAR INDICATED A POSSIBLE TORNADO IN SOUTHERN BUFFALO COUNTY..25 NORTHEAST OF CHAMBERLAIN MOVING EAST AT 30 MILES AN HOUR. IF YOU ARE IN THE PATH OF THIS TORNADO...YOU SHOULD GO TO A BASEMENT SHELTER IF AVAILAB>LE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A REINFORCED BUILDING. PFEIFFER
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.
In the hours before
Special weather statement, Jul 28, 11:47 AM CDT, 5 hours 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1145 AM CDT MON JUL 28 1986 AT 1135 AM CDT RADAR INDICATED VERY STRONG THUNDERSTORMS IN NORTH CENTRAL CAMPBELL..20 MILES NORTH OF MOBRIDGE..AND NORTHWEST MC PHERSON ..45 MILES NORTHEAST OF MOBRIDGE IN NORTH CENTRAL SOUTH DAKOTA. MOVEMENT WAS EAST SOUTHEAST AT 25 MPH. INDIVIDUALS IN NORTH CENTRAL CAMPBELL AND NORTH MC PHERSON COUNTIES CAN EXPECT STRONG WINDS..VERY HEAVY RAIN AND POSSIBLE SMALL HAIL WITH THESE STORMS. THE STORM THAT WAS IN NORTH BROWN COUNTY HAS DECREASED IN INTENSITY AND MOVED EAST. THESE STORMS MAY BECOME SEVERE WITH LITTLE NOTICE. BE ALERT TO CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF NECESSARY. HUSTON
Special weather statement, Jul 28, 12:32 PM CDT, 4 hours 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1230 PM CDT MON JUL 28 1986 AT 1225 PM CDT RADAR INDICATED A VERY STRONG THUNDERSTORM IN EAST CAMPBELL COUNTY..35 MILES EAST NORTHEAST OF MOBRIDGE IN NORTH CENTRAL SOUTH DAKOTA. MOVEMENT WAS EAST SOUTHEAST AT 25 MPH. AS THIS STORM MOVED THROUGH NORTH CENTRAL CAMPBELL COUNTY IT DROPPED HEAVY RAIN NORTH OF MOUND CITY. INDIVIDUALS IN EAST CAMPBELL AND WEST MC PHERSON COUNTIES CAN EXPECT STRONG WINDS..VERY HEAVY RAIN AND POSSIBLE SMALL HAIL WITH THIS STORM. THIS STORM MAY BECOME SEVERE WITH LITTLE NOTICE. BE ALERT TO CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF NECESSARY. HUSTON
Special weather statement, Jul 28, 1:13 PM CDT, 3 hours 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 113 PM CDT MON JUL 28 1986 AT 110 PM CDT RADAR INDICATED AN INTENSE THUNDERSTORM IN SOUTHWEST MC PHERSON COUNTY..40 MILES EAST OF MOBRIDGE IN NORTH CENTRAL SOUTH DAKOTA. MOVEMENT WAS EAST AT 25 MPH. AS THIS STORM MOVED THROUGH NORTH CENTRAL CAMPBELL COUNTY IT DROPPED HEAVY RAIN NORTH OF MOUND CITY. INDIVIDUALS IN SOUTH MC PHERSON AND NORTH EDMUNDS COUNTIES CAN EXPECT STRONG W>INDS..VERY HEAVY RAIN AND POSSIBLE SMALL HAIL WITH THIS STORM. THIS STORM MAY BECOME SEVERE WITH LITTLE NOTICE. BE ALERT TO CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF NECESSARY. HUSTON
Special weather statement, Jul 28, 2:17 PM CDT, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 215 PM CDT MON JUL 28 1986 AT 210 PM CDT RADAR INDICATED A VERY STRONG THUNDERSTORM EMBEDDED IN AN AREA OF MODERATE THUNDERSTORMS 30 MILES EAST OF MOBRIDGE IN SOUTHEAST CAMPBELL COUNTY..IN NORTH CENTRAL SOUTH DAKOTA. MOVEMENT WAS EAST SOUTHEAST AT 30 MPH. THIS IS A NEWLY DEVELOPED STORM. INDIVIDUALS IN SOUTH MC PHERSON AND NORTH EDMUNDS COUNTIES CAN EXPECT STRONG WINDS..VERY HEAVY RAIN AND POSSIBLE SMALL HAIL WITH THIS STORM. THIS STORM MAY BECOME SEVERE WITH LITTLE NOTICE. BE ALERT TO CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF NECESSARY. THE STORM THAT WAS IN SOUTH MC PHERSON COUNTY AT 110 PM CDT HAS DECREASED IN INTENSITY AND MOVED EAST TO NORTHWEST OF ABERDEEN IN BROWN COUNTY..IN NORTHEAST SOUTH DAKOTA. HUSTON
Special weather statement, Jul 28, 2:45 PM CDT, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 245 PM CDT MON JUL 28 1986 AT 240 PM CDT RADAR INDICATED A VERY STRONG THUNDERSTORM EMBEDDED IN AN AREA OF MODERATE THUNDERSTORMS 45 MILES WEST OF ABERDEEN IN SOUTHWEST MC PHERSON COUNTY..IN NORTHEAST SOUTH DAKOTA. MOVEMENT WAS EAST AT 30 MPH. EDMUNDS COUNTY SHERIFFS DEPUTY REPORTED PEA SIZE HAIL FELL AT HOSMER IN NORTHWEST EDMUNDS COUNTY AT 240PM CDT. INDIVIDUALS IN SOUTH MC PHERSON AND NORTH EDMUNDS COUNTIES CAN EXPECT STRONG WINDS..VERY HEAVY RAIN AND SMALL HAIL WITH THIS STORM. THIS STORM MAY BECOME SEVERE WITH LITTLE NOTICE. BE ALERT TO CHANGING WEATHER CONDITIONS AND TAKE SHELTER IF NECESSARY. HUSTON
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:07 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 33 min |
| Jul 28, 3:17 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 58 min |
| Jul 28, 3:54 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 51 min |
| Jul 28, 4:01 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hyde | 59 min |
| Jul 28, 4:27 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 63 min |
| Jul 28, 4:36 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 69 min |
| Jul 28, 5:41 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 64 min |
Nearby
Tornado Warnings in South Dakota, 1986Every tornado warning in 1986Tornadoes in 1986
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.