Dense Fog Advisories in Missouri
1,422 dense fog advisories since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of dense fog advisories reaches back to 2005.
Dense Fog Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Dense Fog Advisories
- 1,422
- Busiest year
- 2019117 dense fog advisories
- Average year
- 65over 22 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pemiscot County229
- Dunklin County220
- Christian County218
- Stone County216
- Douglas County213
- Taney County212
- Ozark County202
- Wright County196
- Howell County195
- Texas County192
- Webster County192
- Barry County182
- Greene County182
- Lawrence County182
- Oregon County178
- Shannon County175
- Laclede County174
- Pulaski County167
- Dent County165
- Newton County164
- Dallas County163
- Clark County162
- McDonald County159
- Phelps County158
- Cass County155
- Jasper County155
- Polk County155
- Camden County152
- Scotland County150
- Adair County148
- Dade County147
- Grundy County147
- Johnson County147
- Maries County147
- Miller County147
- Sullivan County144
- Barton County143
- Hickory County143
- Morgan County143
- Putnam County143
75 more counties
- Benton County142
- St. Clair County142
- Cape Girardeau County142
- Jackson County141
- Daviess County140
- Mercer County140
- Saline County140
- Scott County140
- Cedar County139
- Lafayette County139
- Schuyler County139
- Buchanan County138
- Harrison County138
- Linn County137
- Chariton County136
- Macon County136
- Mississippi County136
- Henry County135
- Livingston County135
- Pettis County135
- Bates County134
- New Madrid County134
- Caldwell County132
- Cooper County132
- DeKalb County132
- Platte County131
- Bollinger County131
- Howard County130
- Lewis County129
- Ray County129
- Butler County129
- Clinton County129
- Stoddard County129
- Andrew County128
- Carroll County128
- Clay County128
- Shelby County128
- Vernon County128
- Knox County126
- Randolph County126
- Gentry County124
- Marion County124
- Worth County124
- Wayne County124
- Nodaway County122
- Perry County119
- Monroe County118
- Ripley County118
- Carter County116
- Ralls County116
- Holt County115
- Boone County115
- Cole County112
- Audrain County110
- Callaway County110
- Moniteau County109
- Atchison County108
- Pike County108
- Washington County106
- Iron County104
- Saint Francois County104
- Reynolds County103
- Jefferson County102
- Madison County102
- Crawford County100
- Osage County100
- Sainte Genevieve County99
- Franklin County96
- Gasconade County95
- Montgomery County93
- Saint Louis County92
- Saint Charles County91
- City of Saint Louis91
- Warren County89
- Lincoln County88
The latest dense fog advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 2:55 AM CDT | Dense Fog Advisory | EAX | Atchison, Gentry, Harrison, Holt, Nodaway, Worth | 7 hr |
| Sep 11, 2:07 AM CDT | Dense Fog Advisory | DVN | Clark | 8 hr |
| Sep 10, 10:48 PM CDT | Dense Fog Advisory | EAX | Adair, Andrew, Bates, Buchanan, Caldwell, Carroll and 25 more | 11 hr |
| Sep 10, 9:56 PM CDT | Dense Fog Advisory | LSX | Audrain, Knox, Lewis, Marion, Monroe, Pike and 2 more | 12 hr |
| Aug 26, 1:49 AM CDT | Dense Fog Advisory | EAX | Adair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 26 more | 7 hr |
| Aug 20, 5:45 AM CDT | Dense Fog Advisory | SGF | Benton, Camden, Dallas, Hickory, Laclede, Maries and 6 more | 4 hr |
| Aug 20, 2:18 AM CDT | Dense Fog Advisory | EAX | Adair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 28 more | 7 hr |
| Aug 13, 2:35 AM CDT | Dense Fog Advisory | DVN | Clark, Scotland | 6 hr |
| Aug 7, 3:42 AM CDT | Dense Fog Advisory | EAX | Adair, Andrew, Atchison, Daviess, DeKalb, Gentry and 9 more | 5 hr |
| Aug 7, 2:53 AM CDT | Dense Fog Advisory | DVN | Scotland | 6 hr |
| Aug 6, 6:29 AM CDT | Dense Fog Advisory | EAX | Andrew, Atchison, Gentry, Harrison, Holt, Mercer and 3 more | 4 hr |
| Jul 16, 4:36 AM CDT | Dense Fog Advisory | MEG | Dunklin, Pemiscot | 3 hr |
Nearby
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.