Alert archive / North Dakota / Severe Thunderstorm Watches in 2019
Severe Thunderstorm Watch 556
The Storm Prediction Center issued this severe thunderstorm watch at Aug 6, 2019, 1:53 PM MDT for 21 counties in North Dakota; 18 counties in South Dakota. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2019, 1:53 PM MDT (19:53 UTC)
- Expired
- Aug 6, 2019, 10:00 PM MDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 39 counties
Adams County, ND, Burleigh County, ND, Dickey County, ND, Dunn County, ND, Emmons County, ND, Foster County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, LaMoure 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, Stark County, ND, Stutsman County, ND, Wells County, ND, Brown County, SD, Buffalo County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, McPherson County, SD, Potter County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD
The radar
The Bismarck radar (KBIS), 77 km from the middle of the area, began a volume at 19:54 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
- 20%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 2:02 PM MDT | Severe Thunderstorm Warning | BIS | Morton | 43 min |
| Aug 6, 2:05 PM MDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 40 min |
| Aug 6, 2:11 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 64 min |
| Aug 6, 2:30 PM MDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 45 min |
| Aug 6, 2:36 PM MDT | Severe Thunderstorm Warning | BIS | Emmons, Morton, Sioux | 34 min |
| Aug 6, 2:47 PM MDT | Severe Thunderstorm Warning | ABR | Corson | 58 min |
| Aug 6, 2:56 PM MDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton, Oliver | 49 min |
| Aug 6, 3:14 PM MDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 46 min |
| Aug 6, 3:23 PM MDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 67 min |
| Aug 6, 3:35 PM MDT | Severe Thunderstorm Warning | ABR | Corson | 40 min |
| Aug 6, 3:38 PM MDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton, Sioux | 54 min |
| Aug 6, 4:10 PM MDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 65 min |
| Aug 6, 4:24 PM MDT | Severe Thunderstorm Warning | ABR | Corson, Dewey, Walworth | 51 min |
| Aug 6, 4:34 PM MDT | Severe Thunderstorm Warning | BIS | Emmons, McIntosh | 56 min |
| Aug 6, 4:34 PM MDT | Severe Thunderstorm Warning | BIS | Stutsman | 56 min |
| Aug 6, 4:56 PM MDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 64 min |
| Aug 6, 5:01 PM MDT | Severe Thunderstorm Warning | ABR | Campbell | 59 min |
| Aug 6, 5:49 PM MDT | Severe Thunderstorm Warning | BIS | Wells | 26 min |
| Aug 6, 5:51 PM MDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 54 min |
| Aug 6, 5:52 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 14 min |
| Aug 6, 5:58 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 47 min |
| Aug 6, 6:22 PM MDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, Potter, Walworth | 38 min |
| Aug 6, 6:46 PM MDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Hyde, Lyman, Stanley | 59 min |
| Aug 6, 6:59 PM MDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Hyde, Potter | 46 min |
| Aug 6, 7:22 PM MDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Lyman, Sully | 38 min |
| Aug 6, 7:40 PM MDT | Severe Thunderstorm Warning | ABR | Lyman | 65 min |
| Aug 6, 7:56 PM MDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Hyde, Lyman | 64 min |
| Aug 6, 8:45 PM MDT | Severe Thunderstorm Warning | ABR | Lyman | 31 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 1:27 PM MDT | Mesoscale Discussion | SPC | Adams, Burleigh, Dunn, Emmons, Grant, Hettinger and 12 more | 93 min |
| Aug 6, 5:19 PM MDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 9 more | 116 min |
Nearby
Severe Thunderstorm Watches in North Dakota, 2019Severe Thunderstorm Watches in South Dakota, 2019Every severe thunderstorm watch in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.