| Products in the Last Seven Days |
| Type |
Phenomena |
Count |
| Warning | Severe Thunderstorm | 1460 |
| Advisory | Areal Flood | 609 |
| Warning | Flash Flood | 471 |
| Advisory | Heat | 200 |
| Watch | Severe Thunderstorm | 118 |
| Warning | Tornado | 110 |
| Watch | Areal Flood | 67 |
| Advisory | Small Craft | 51 |
| Warning | Fire Weather | 40 |
| Advisory | Dense Fog | 23 |
| Watch | Flash Flood | 12 |
| Advisory | Dust Storm | 10 |
| Watch | Flood | 9 |
| Watch | Fire Weather | 9 |
| Warning | Dust Storm | 7 |
| Advisory | Lake Wind | 4 |
| Warning | Gale | 3 |
| Advisory | Flood | 2 |
| Watch | Gale | 2 |
| Advisory | Blowing Dust | 2 |
| Most Active Forecast Offices |
| Forecast Office |
Products |
| Indianapolis, IN | 137 |
| Wilmington, OH | 134 |
| Jackson, KY | 118 |
| Chicago, IL | 113 |
| Northern Indiana, IN | 112 |
| Denver / Boulder, CO | 106 |
| Phoenix, AZ | 104 |
| Charleston, WV | 100 |
| Las Vegas, NV | 98 |
| Tucson, AZ | 92 |
| Louisville, KY | 81 |
| Davenport / Quad Cities, IA | 73 |
| Lincoln, IL | 71 |
| Morristown / Knoxville, TN | 71 |
| Greenville-Spartanburg, SC | 68 |
| Baltimore / Washington, VA | 64 |
| Jacksonville, FL | 61 |
| Cheyenne, WY | 57 |
| North Platte, NE | 56 |
| Cleveland, OH | 56 |
| Product Count by Day |
| Date |
Warn |
Watch |
Advis. |
| 2026-08-16 | 22 |
2 | 23 |
| 2026-08-15 | 171 |
18 | 103 |
| 2026-08-14 | 235 |
23 | 138 |
| 2026-08-13 | 263 |
36 | 161 |
| 2026-08-12 | 354 |
37 | 124 |
| 2026-08-11 | 521 |
45 | 169 |
| 2026-08-10 | 375 |
41 | 98 |
| 2026-08-09 | 179 |
23 | 76 |
| 2026-08-08 | 2 |
3 | 7 |
| Particularly Dangerous Situations |
| Product |
Forecast Office |
| Flash Flood Warning 0045 | Indianapolis, IN |
| Flash Flood Warning 0047 | Indianapolis, IN |
| Flash Flood Warning 0055 | Jackson, KY |
| Flash Flood Warning 0066 | Wilmington, OH |
| Flash Flood Warning 0067 | Wilmington, OH |
| Tornado Warning 0077 | Davenport / Quad Cities, IA |
| Flash Flood Warning 0123 | Charleston, WV |
|
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Severe Thunderstorm Warning 0274
Issued by the Bismarck Forecast Office
| Action |
Issued |
Starts |
Expiration |
| New |
2026-08-11 22:06:32 |
2026-08-11 22:06:00 |
2026-08-11 22:30:00 |
Action: New
Issued At: 2026-08-11 22:06:32
041
WUUS53 KBIS 120306
SVRBIS
NDC059-120330-
/O.NEW.KBIS.SV.W.0274.260812T0306Z-260812T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1006 PM CDT Tue Aug 11 2026
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
East Central Morton County in south central North Dakota...
* Until 1030 PM CDT.
* At 1006 PM CDT, a severe thunderstorm was located 9 miles west of
St. Anthony, or 18 miles southwest of Mandan, moving southeast at
10 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
St. Anthony.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4663 10130 4667 10077 4654 10069 4646 10087
4652 10130
TIME...MOT...LOC 0305Z 311DEG 8KT 4661 10111
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Adam
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