| Products in the Last Seven Days |
| Type |
Phenomena |
Count |
| Warning | Severe Thunderstorm | 406 |
| Advisory | Areal Flood | 137 |
| Advisory | Small Craft | 91 |
| Warning | Flash Flood | 59 |
| Advisory | Dense Fog | 37 |
| Warning | Tornado | 35 |
| Warning | Gale | 23 |
| Watch | Areal Flood | 8 |
| Watch | Severe Thunderstorm | 8 |
| Advisory | Wind | 8 |
| Advisory | Frost | 6 |
| Watch | Flash Flood | 5 |
| Watch | Gale | 5 |
| Warning | Freeze | 3 |
| Warning | Fire Weather | 3 |
| Watch | Tornado | 3 |
| Watch | Hazardous Seas | 2 |
| Advisory | Dust Storm | 2 |
| Advisory | Blowing Dust | 1 |
| Advisory | Heat | 1 |
| Advisory | Winter Weather | 1 |
| Advisory | Lake Wind | 1 |
| Watch | Fire Weather | 1 |
| Most Active Forecast Offices |
| Forecast Office |
Products |
| Grand Junction, CO | 83 |
| Bismarck, ND | 57 |
| Goodland, KS | 54 |
| El Paso, TX | 42 |
| Albuquerque, NM | 36 |
| Tucson, AZ | 34 |
| San Francisco Bay Area / Monterey, CA | 29 |
| North Platte, NE | 26 |
| Wakefield, VA | 21 |
| Duluth, MN | 20 |
| Des Moines, IA | 20 |
| Grand Forks, ND | 20 |
| Aberdeen, SD | 16 |
| Miami, FL | 16 |
| Eureka, CA | 15 |
| Omaha / Valley, NE | 14 |
| Newport / Morehead City, NC | 14 |
| Amarillo, TX | 14 |
| Seattle, WA | 13 |
| Rapid City, SD | 13 |
| Product Count by Day |
| Date |
Warn |
Watch |
Advis. |
| 2025-09-17 | 4 |
0 | 9 |
| 2025-09-16 | 150 |
11 | 56 |
| 2025-09-15 | 41 |
4 | 28 |
| 2025-09-14 | 98 |
7 | 35 |
| 2025-09-13 | 62 |
2 | 45 |
| 2025-09-12 | 117 |
0 | 35 |
| 2025-09-11 | 36 |
3 | 39 |
| 2025-09-10 | 20 |
3 | 32 |
| 2025-09-09 | 1 |
2 | 11 |
| Particularly Dangerous Situations |
| Product |
Forecast Office |
| Tornado Warning 0040 | Bismarck, ND |
| Tornado Warning 0053 | Bismarck, ND |
|
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Dense Fog Advisory 0014
Issued by the Sioux Falls Forecast Office
| Action |
Issued |
Starts |
Expiration |
| New |
2025-09-11 05:50:37 |
2025-09-11 05:50:00 |
2025-09-11 10:00:00 |
| Expired |
2025-09-11 10:03:44 |
|
2025-09-11 10:00:00 |
Action: New
Issued At: 2025-09-11 05:50:37
894
WWUS73 KFSD 111050
NPWFSD
URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
550 AM CDT Thu Sep 11 2025
MNZ072-111500-
/O.NEW.KFSD.FG.Y.0014.250911T1050Z-250911T1500Z/
Lyon-
Including the cities of Marshall
550 AM CDT Thu Sep 11 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...
* WHAT...Visibility less than one half mile in dense fog.
* WHERE...Lyon County.
* WHEN...Until 10 AM CDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
JM
Action: Expired
Issued At: 2025-09-11 10:03:44
066
WWUS73 KFSD 111503
NPWFSD
URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1003 AM CDT Thu Sep 11 2025
MNZ072-111615-
/O.EXP.KFSD.FG.Y.0014.000000T0000Z-250911T1500Z/
Lyon-
Including the cities of Marshall
1003 AM CDT Thu Sep 11 2025
...DENSE FOG ADVISORY HAS EXPIRED...
The threat for dense fog has ended. Patchy light fog may linger for
the next hour, but conditions will continue to improve.
$$
Samet
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