Alert archive / Dense Fog Advisories / 2022
Dense Fog Advisories in the United States, August 2022
76 dense fog advisories in August 2022. Each alert counts once, however many counties it covered. The archive of dense fog advisories reaches back to 2005.
Dense Fog Advisories by state
Each state shaded by its count. Tap a state for its own archive.
- Dense Fog Advisories
- 76
- Busiest day
- August 21, 202210 dense fog advisories
Over time
By day
Days in UTC, the clock the archive keeps.
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas156
- Florida138
- California118
- Alabama91
- Georgia85
- Mississippi82
- Alaska77
- Oregon71
- North Carolina65
- Wisconsin64
- Kansas62
- Louisiana60
- Illinois60
- Minnesota54
- Washington50
- Virginia47
- Missouri43
- Indiana43
- Nebraska41
- South Carolina39
- Arkansas39
- Iowa39
- Maine38
- Maryland38
- Oklahoma36
- Tennessee31
- Pennsylvania29
- Ohio28
- Idaho25
- New Jersey24
- Massachusetts24
- Kentucky23
- West Virginia22
- Colorado21
- Connecticut20
- Wyoming20
- Rhode Island19
- New Mexico19
- North Dakota19
- New York18
Nearby
Alerts in force nowThe tornado archiveThe radar archive20212023
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.