Alert archive / Montana / Severe Thunderstorm Watches in 2024
Severe Thunderstorm Watch 608
The Storm Prediction Center issued this severe thunderstorm watch at Aug 6, 2024, 4:07 PM MDT for 8 counties in Montana; 6 counties in South Dakota; 4 counties in Wyoming. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2024, 4:07 PM MDT (22:07 UTC)
- Expired
- Aug 6, 2024, 10:32 PM MDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Big Horn County, MT, Carter County, MT, Custer County, MT, Fallon County, MT, Powder River County, MT, Rosebud County, MT, Treasure County, MT, Yellowstone County, MT, Butte County, SD, Custer County, SD, Harding County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Campbell County, WY, Crook County, WY, Sheridan County, WY, Weston County, WY
The radar
The Rapid City radar (KUDX), 245 km from the middle of the area, began a volume at 22:11 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 4:32 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 43 min |
| Aug 6, 5:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 61 min |
| Aug 6, 5:38 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 52 min |
| Aug 6, 5:48 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 57 min |
| Aug 6, 6:02 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 58 min |
| Aug 6, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 30 min |
| Aug 6, 6:52 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 37 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 5, 6:18 PM MDT | Mesoscale Discussion | SPC | Ravalli | 57 min |
| Aug 6, 2:15 PM MDT | Mesoscale Discussion | SPC | Big Horn, Blaine, Broadwater, Carbon, Cascade, Chouteau and 21 more | 3 hr |
| Aug 6, 5:01 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Broadwater, Cascade, Chouteau, Dawson, Fergus and 21 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Montana, 2024Severe Thunderstorm Watches in South Dakota, 2024Severe Thunderstorm Watches in Wyoming, 2024Every severe thunderstorm 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; radar from the NEXRAD Level II archive.