Alert archive / North Dakota / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 439
The Storm Prediction Center issued this severe thunderstorm watch at Jul 24, 2014, 2:54 PM MDT for 10 counties in Montana; 13 counties in North Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2014, 2:54 PM MDT (20:54 UTC)
- Expired
- Jul 24, 2014, 9:00 PM MDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 23 counties
Daniels County, MT, Dawson County, MT, Garfield County, MT, McCone County, MT, Phillips County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Valley County, MT, Wibaux County, MT, Adams County, ND, Billings County, ND, Bowman County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Hettinger County, ND, McKenzie County, ND, Mountrail County, ND, Slope County, ND, Stark County, ND, Williams County, ND
The radar
The Glasgow radar (KGGW), 64 km from the middle of the area, began a volume at 20:56 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
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:47 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Jul 24, 4:17 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 28 min |
| Jul 24, 4:32 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 58 min |
| Jul 24, 4:35 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 40 min |
| Jul 24, 4:37 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Phillips, Valley | 38 min |
| Jul 24, 5:07 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 53 min |
| Jul 24, 5:20 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 55 min |
| Jul 24, 5:26 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 64 min |
| Jul 24, 5:35 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Richland, Roosevelt, Valley | 55 min |
| Jul 24, 5:39 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 66 min |
| Jul 24, 6:07 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 38 min |
| Jul 24, 6:17 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 31 min |
| Jul 24, 6:31 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Richland, Roosevelt, Sheridan | 59 min |
| Jul 24, 6:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 54 min |
| Jul 24, 6:58 PM MDT | Severe Thunderstorm Warning | BIS | Divide, McKenzie, Williams | 62 min |
| Jul 24, 7:18 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 27 min |
| Jul 24, 7:18 PM MDT | Tornado Warning | GGW | Dawson, Wibaux | 22 min |
| Jul 24, 7:25 PM MDT | Tornado Warning | BIS | Billings, Golden Valley, Slope | 35 min |
| Jul 24, 7:38 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 16 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 |
|---|---|---|---|---|
| Jul 23, 6:58 PM MDT | Mesoscale Discussion | SPC | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 92 min |
| Jul 23, 7:52 PM MDT | Mesoscale Discussion | SPC | Blaine, Cascade, Chouteau, Fergus, Garfield, Golden Valley and 12 more | 113 min |
| Jul 23, 8:28 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon, Powder River | 92 min |
| Jul 23, 8:31 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Broadwater, Cascade, Chouteau, Fergus, Garfield and 13 more | 6 hr |
| Jul 23, 10:52 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon, Powder River | 83 min |
| Jul 24, 1:41 AM MDT | Mesoscale Discussion | SPC | Daniels, Garfield, McCone, Phillips, Richland, Roosevelt and 2 more | 2 hr |
| Jul 24, 2:27 AM MDT | Severe Thunderstorm Watch | SPC | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 2 more | 6 hr |
| Jul 24, 1:50 PM MDT | Mesoscale Discussion | SPC | Blaine, Daniels, Dawson, Fergus, Garfield, Hill and 7 more | 55 min |
| Jul 24, 3:07 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 53 min |
| Jul 24, 4:53 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Daniels, Dawson, Fallon, Garfield and 9 more | 97 min |
| Jul 24, 5:47 AM MDT | Mesoscale Discussion | SPC | Billings, Bottineau, Burke, Burleigh, Dunn, McHenry and 9 more | 118 min |
| Jul 24, 10:06 AM MDT | Mesoscale Discussion | SPC | Dickey, Richland, Sargent | 84 min |
Nearby
Severe Thunderstorm Watches in North Dakota, 2014Severe Thunderstorm Watches in Montana, 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.