Alert archive / North Dakota / Tornado Watches in 2024
Tornado Watch 661
The Storm Prediction Center issued this tornado watch at Aug 28, 2024, 4:41 PM CDT for 14 counties in North Dakota; 13 counties in South Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 28, 2024, 4:41 PM CDT (21:41 UTC)
- Expired
- Aug 28, 2024, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 27 counties
Burleigh County, ND, Emmons County, ND, Grant County, ND, Kidder County, ND, Logan County, ND, McIntosh County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Sheridan County, ND, Sioux County, ND, Stutsman County, ND, Wells County, ND, Campbell County, SD, Corson County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, McPherson County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD
The radar
The Bismarck radar (KBIS), 63 km from the middle of the area, began a volume at 21:43 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 70%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
27 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 5:14 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 61 min |
| Aug 28, 5:17 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 58 min |
| Aug 28, 5:35 PM CDT | Tornado Warning | BIS | Sioux | 25 min |
| Aug 28, 5:39 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 51 min |
| Aug 28, 5:49 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 41 min |
| Aug 28, 5:55 PM CDT | Tornado Warning | BIS | Sioux | 50 min |
| Aug 28, 6:09 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 66 min |
| Aug 28, 6:10 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 65 min |
| Aug 28, 6:20 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 40 min |
| Aug 28, 6:49 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 41 min |
| Aug 28, 7:02 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Sheridan | 58 min |
| Aug 28, 7:05 PM CDT | Tornado Warning | BIS | Burleigh, Kidder | 25 min |
| Aug 28, 7:09 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 49 min |
| Aug 28, 7:18 PM CDT | Tornado Warning | ABR | Campbell, Corson | 27 min |
| Aug 28, 7:27 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 48 min |
| Aug 28, 7:28 PM CDT | Tornado Warning | BIS | Burleigh, Kidder | 32 min |
| Aug 28, 7:40 PM CDT | Tornado Warning | ABR | Campbell, Corson | 35 min |
| Aug 28, 7:54 PM CDT | Tornado Warning | BIS | Kidder | 36 min |
| Aug 28, 8:11 PM CDT | Tornado Warning | ABR | Campbell | 34 min |
| Aug 28, 8:27 PM CDT | Tornado Warning | BIS | Kidder, Stutsman | 33 min |
| Aug 28, 8:43 PM CDT | Tornado Warning | ABR | Campbell | 32 min |
| Aug 28, 9:11 PM CDT | Tornado Warning | ABR | Campbell, McPherson | 20 min |
| Aug 28, 9:13 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 47 min |
| Aug 28, 9:41 PM CDT | Tornado Warning | ABR | Campbell, McPherson | 21 min |
| Aug 28, 9:53 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 32 min |
| Aug 28, 10:13 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 47 min |
| Aug 28, 10:54 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 66 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 9.7 hours before the alert went out and 58 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 955 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 3:51 PM CDT | Mesoscale Discussion | SPC | Burleigh, Emmons, Logan, McIntosh, Mercer, Morton and 2 more | 2 hr |
| Aug 28, 6:52 PM CDT | Mesoscale Discussion | SPC | Logan, McIntosh | 113 min |
Nearby
Tornado Watches in North Dakota, 2024Tornado Watches in South Dakota, 2024Every tornado watch in 2024
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.