Alert archive / South Dakota / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 277
The Storm Prediction Center issued this severe thunderstorm watch at Jun 10, 2014, 2:43 PM MDT for 6 counties in Montana; 12 counties in South Dakota; 5 counties in Wyoming. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 10, 2014, 2:43 PM MDT (20:43 UTC)
- Expired
- Jun 10, 2014, 10:00 PM MDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 23 counties
Big Horn County, MT, Carter County, MT, Powder River County, MT, Rosebud County, MT, Treasure County, MT, Yellowstone County, MT, Bennett County, SD, Butte County, SD, Custer County, SD, Fall River County, SD, Haakon County, SD, Harding County, SD, Jackson County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Ziebach County, SD, Campbell County, WY, Crook County, WY, Johnson County, WY, Sheridan County, WY, Weston County, WY
The radar
The Billings radar (KBLX), 242 km from the middle of the area, began a volume at 20:47 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
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 2:59 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell, Stillwater, Yellowstone | 30 min |
| Jun 10, 3:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 32 min |
| Jun 10, 3:58 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 47 min |
| Jun 10, 4:30 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 30 min |
| Jun 10, 4:47 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 73 min |
| Jun 10, 4:59 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 39 min |
| Jun 10, 5:27 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 63 min |
| Jun 10, 5:52 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 53 min |
| Jun 10, 6:00 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 41 min |
| Jun 10, 6:25 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 65 min |
| Jun 10, 6:37 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 53 min |
| Jun 10, 6:56 PM MDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 36 min |
| Jun 10, 8:14 PM MDT | Severe Thunderstorm Warning | UNR | Meade | 61 min |
| Jun 10, 8:34 PM MDT | Severe Thunderstorm Warning | UNR | Butte | 56 min |
| Jun 10, 8:50 PM MDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 55 min |
| Jun 10, 9:29 PM MDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 61 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 |
|---|---|---|---|---|
| Jun 10, 1:29 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Carter, Powder River, Stillwater | 2 hr |
| Jun 10, 4:54 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Powder River, Rosebud, Treasure | 66 min |
| Jun 10, 2:48 PM MDT | Mesoscale Discussion | SPC | Fall River | 57 min |
Nearby
Severe Thunderstorm Watches in South Dakota, 2014Severe Thunderstorm Watches in Montana, 2014Severe Thunderstorm Watches in Wyoming, 2014Every severe thunderstorm watch in 2014
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.