Alert archive / South Dakota / Tornado Warnings in 2025
Tornado Warning 13, NWS Aberdeen, SD
NWS Aberdeen, SD issued this tornado warning at Jul 27, 2025, 5:54 PM CDT for Codington County, South Dakota. It was in force for 36 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 27, 2025, 5:54 PM CDT (22:54 UTC)
- Expired
- Jul 27, 2025, 6:30 PM CDT
- In force
- 36 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Codington County, SD
The radar
The Aberdeen radar (KABR), 110 km from the middle of the area, began a volume at 22:57 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 27, 5:58 PM CDT | TORNADO | 7 Ne Henry, SD | Several storm chasers have reported a tornado. |
| Jul 27, 6:40 PM CDT | HAIL 2.75 | Watertown Airport, SD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 27, 4:47 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 10.9 hours before the alert went out and 89 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
- 1882 J/kg
- Mixed-layer CIN
- -246 J/kg
- Mixed-layer LCL
- 1193 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
216
WFUS53 KABR 272254
TORABR
SDC029-272330-
/O.NEW.KABR.TO.W.0013.250727T2254Z-250727T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Aberdeen SD
554 PM CDT Sun Jul 27 2025
The National Weather Service in Aberdeen has issued a
* Tornado Warning for...
Southwestern Codington County in northeastern South Dakota...
* Until 630 PM CDT.
* At 553 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Long Lake, or 7 miles northwest of Goose Lake,
moving east at 20 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Watertown, Goose Lake, Lake Kampeska, Sandy Shore Rec Area,
Tinkertown, and Memorial Park Camping Site around 600 PM CDT.
Pelican Lake and Watertown City Park around 605 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If on or near Long Lake and Lake Kampeska, get away from the water
and move to safe shelter immediately. If you can hear thunder, you
are close enough to be struck by lightning. Severe thunderstorms can
produce large capsizing waves, even on small bodies of water. Move
into dock and seek safe shelter now! Do not be caught on the water
in a thunderstorm.
&&
LAT...LON 4480 9720 4480 9721 4490 9749 4499 9744
4497 9711
TIME...MOT...LOC 2253Z 285DEG 17KT 4494 9737
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
123 follow-up statements
452
WWUS53 KABR 272258
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
558 PM CDT Sun Jul 27 2025
SDC029-272330-
/O.CON.KABR.TO.W.0013.000000T0000Z-250727T2330Z/
Codington SD-
558 PM CDT Sun Jul 27 2025
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHWESTERN CODINGTON COUNTY...
At 558 PM CDT, a confirmed large and extremely dangerous tornado was
located over Long Lake, or 7 miles northwest of Goose Lake, moving
east at 15 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
The tornado will be near...
Watertown, Goose Lake, Lake Kampeska, Pelican Lake, Sandy Shore
Rec Area, Memorial Park Camping Site, and Watertown City Park
around 605 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
If on or near Lake Kampeska, get away from the water and move to
safe shelter immediately. If you can hear thunder, you are close
enough to be struck by lightning. Severe thunderstorms can produce
large capsizing waves, even on small bodies of water. Move into dock
and seek safe shelter now! Do not be caught on the water in a
thunderstorm.
&&
LAT...LON 4480 9720 4480 9721 4490 9749 4499 9744
4497 9711
TIME...MOT...LOC 2258Z 281DEG 15KT 4494 9734
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.00 IN
$$
12553
WWUS53 KABR 272310
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
610 PM CDT Sun Jul 27 2025
SDC029-272330-
/O.CON.KABR.TO.W.0013.000000T0000Z-250727T2330Z/
Codington SD-
610 PM CDT Sun Jul 27 2025
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHWESTERN CODINGTON COUNTY...
At 609 PM CDT, a confirmed large and extremely dangerous tornado was
located over Long Lake, or near Goose Lake, moving southeast at 10
mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
The tornado will be near...
Watertown, Lake Kampeska, and Memorial Park Camping Site around
615 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
If on or near Lake Kampeska, get away from the water and move to
safe shelter immediately. If you can hear thunder, you are close
enough to be struck by lightning. Severe thunderstorms can produce
large capsizing waves, even on small bodies of water. Move into dock
and seek safe shelter now! Do not be caught on the water in a
thunderstorm.
&&
LAT...LON 4480 9720 4480 9721 4490 9740 4498 9735
4497 9711
TIME...MOT...LOC 2309Z 301DEG 7KT 4493 9734
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.00 IN
$$
12203
WWUS53 KABR 272321
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
621 PM CDT Sun Jul 27 2025
SDC029-272330-
/O.EXP.KABR.TO.W.0013.000000T0000Z-250727T2330Z/
Codington SD-
621 PM CDT Sun Jul 27 2025
...THE TORNADO WARNING FOR SOUTHWESTERN CODINGTON COUNTY WILL EXPIRE
AT 630 PM CDT...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
A Severe Thunderstorm Watch remains in effect until midnight CDT for
northeastern South Dakota.
Remember, a Severe Thunderstorm Warning still remains in effect for
700 PM CDT.
&&
LAT...LON 4480 9720 4480 9721 4490 9740 4498 9735
4497 9711
TIME...MOT...LOC 2320Z 285DEG 17KT 4492 9728
$$
12The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 7:10 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley | 65 min |
| Jul 26, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 46 min |
| Jul 26, 7:42 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey, Walworth | 16 min |
| Jul 26, 8:11 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Stanley, Sully | 49 min |
| Jul 26, 8:21 PM CDT | Areal Flood Warning | ABR | Dewey | 3 hr |
| Jul 26, 8:44 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully, Walworth | 46 min |
| Jul 26, 9:25 PM CDT | Special Weather Statement | ABR | Potter | 35 min |
| Jul 26, 9:58 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde, Spink | 62 min |
| Jul 26, 10:15 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde | 45 min |
| Jul 26, 10:34 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 26 min |
| Jul 26, 11:26 PM CDT | Special Weather Statement | ABR | Brown | 34 min |
| Jul 27, 2:26 AM CDT | Special Weather Statement | ABR | Corson | 34 min |
| Jul 27, 11:49 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 41 min |
| Jul 27, 2:01 PM CDT | Heat Advisory | ABR | Buffalo, Hand, Hughes, Hyde, Jones, Lyman and 1 more | 29 hr |
| Jul 27, 4:25 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 50 min |
| Jul 27, 6:19 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant, Hamlin | 41 min |
| Jul 27, 6:47 PM CDT | Tornado Warning | ABR | Codington, Hamlin | 31 min |
Nearby
Tornado Warnings in South Dakota, 2025Every tornado warning in 2025Tornadoes in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.