Alert archive / Florida / Dense Fog Advisories
Dense Fog Advisories in Florida, 2020
90 dense fog advisories in 2020. 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 in 2020. Tap one for its archive.
- Dense Fog Advisories
- 90
- Busiest month
- March24 dense fog advisories
- Busiest day
- December 10, 20206 dense fog advisories
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 3, 2:26 PM EST | Dense Fog Advisory | TBW | Levy | 19 hr |
| Jan 12, 2:27 AM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 8 hr |
| Jan 12, 3:28 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 22 hr |
| Jan 12, 7:26 PM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 9 more | 14 hr |
| Jan 12, 9:32 PM EST | Dense Fog Advisory | JAX | Suwannee | 12 hr |
| Jan 13, 1:03 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 21 hr |
| Jan 14, 12:46 AM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 9 more | 8 hr |
| Jan 14, 8:18 AM EST | Dense Fog Advisory | JAX | Alachua, Bradford, Flagler, Marion | 95 min |
| Jan 14, 4:28 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 20 hr |
| Jan 14, 10:46 PM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 12 hr |
| Jan 15, 1:09 AM EST | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Nassau, Suwannee and 1 more | 8 hr |
| Jan 15, 4:26 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 18 hr |
| Jan 16, 1:16 AM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 8 hr |
| Jan 16, 1:50 AM EST | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Marion, Nassau and 2 more | 7 hr |
| Jan 23, 11:07 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 8 hr |
| Jan 25, 2:50 AM EST | Dense Fog Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 5 hr |
| Jan 28, 12:20 AM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 10 hr |
| Feb 10, 4:13 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 21 hr |
| Feb 11, 3:59 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 18 hr |
| Feb 11, 10:33 PM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 13 hr |
| Feb 12, 2:39 AM EST | Dense Fog Advisory | JAX | Marion | 6 hr |
| Feb 12, 2:53 AM EST | Dense Fog Advisory | TBW | Citrus, Hernando, Levy, Sumter | 7 hr |
| Feb 12, 10:17 AM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
| Feb 12, 8:45 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 10 hr |
| Feb 14, 2:23 AM EST | Dense Fog Advisory | TBW | Charlotte, DeSoto, Highlands, Lee, Sarasota | 7 hr |
| Feb 14, 2:24 AM EST | Dense Fog Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 7 hr |
| Feb 17, 1:52 AM EST | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Duval, Gilchrist, Nassau and 2 more | 6 hr |
| Feb 17, 4:19 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 19 hr |
| Feb 17, 6:46 PM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 6 more | 15 hr |
| Feb 18, 4:03 AM EST | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Duval, Flagler, Gilchrist and 4 more | 6 hr |
| Feb 18, 6:56 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 12 hr |
| Feb 19, 1:24 AM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 9 hr |
| Mar 4, 2:22 AM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 8 hr |
| Mar 4, 3:43 AM EST | Dense Fog Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 8 more | 6 hr |
| Mar 4, 4:51 AM EST | Dense Fog Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 4 hr |
| Mar 10, 1:18 PM EDT | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 22 hr |
| Mar 11, 3:24 AM EDT | Dense Fog Advisory | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more | 8 hr |
| Mar 11, 2:56 PM EDT | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 43 hr |
| Mar 12, 7:59 AM EDT | Dense Fog Advisory | TAE | Franklin, Gadsden, Jefferson, Leon, Madison, Taylor and 1 more | 2 hr |
| Mar 13, 4:09 AM EDT | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 6 hr |
| Mar 13, 1:59 PM EDT | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 21 hr |
| Mar 14, 4:09 AM EDT | Dense Fog Advisory | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 3 more | 7 hr |
| Mar 15, 6:53 AM EDT | Dense Fog Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 117 min |
| Mar 18, 2:57 AM EDT | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 8 hr |
| Mar 18, 5:22 AM EDT | Dense Fog Advisory | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 3 more | 5 hr |
| Mar 23, 3:17 AM EDT | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 8 hr |
| Mar 24, 8:01 AM EDT | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Nassau, Suwannee and 1 more | 119 min |
| Mar 26, 2:29 AM EDT | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 8 hr |
| Mar 27, 4:47 AM EDT | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 5 hr |
| Mar 27, 5:12 AM EDT | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 5 hr |
| Mar 27, 5:14 AM EDT | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Marion, Suwannee and 1 more | 5 hr |
| Mar 28, 5:03 AM EDT | Dense Fog Advisory | JAX | Suwannee | 5 hr |
| Mar 28, 5:23 AM EDT | Dense Fog Advisory | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 9 more | 5 hr |
| Mar 29, 1:58 AM EDT | Dense Fog Advisory | TAE | Dixie, Jefferson, Lafayette, Leon, Madison, Taylor and 1 more | 8 hr |
| Mar 29, 2:14 AM EDT | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Marion, Nassau and 2 more | 7 hr |
| Mar 30, 6:04 AM EDT | Dense Fog Advisory | TAE | Franklin, Gadsden, Jefferson, Lafayette, Leon, Madison and 2 more | 3 hr |
| Apr 6, 4:04 AM EDT | Dense Fog Advisory | JAX | Baker, Bradford, Duval, Gilchrist, Nassau, Suwannee and 1 more | 5 hr |
| Apr 6, 5:27 AM EDT | Dense Fog Advisory | TAE | Lafayette, Madison | 4 hr |
| Apr 6, 9:01 AM EDT | Dense Fog Advisory | TAE | Lafayette, Madison, Taylor | 59 min |
| Apr 25, 5:45 AM EDT | Dense Fog Advisory | TAE | Dixie, Jefferson, Lafayette, Leon, Madison, Taylor | 4 hr |
| May 30, 5:05 AM EDT | Dense Fog Advisory | TAE | Gadsden, Jefferson, Leon, Madison, Taylor, Wakulla | 4 hr |
| Jun 9, 5:48 AM EDT | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Duval, Gilchrist, Suwannee and 1 more | 3 hr |
| Sep 3, 7:33 AM EDT | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
| Sep 27, 4:18 AM EDT | Dense Fog Advisory | JAX | Nassau | 5 hr |
| Oct 7, 4:54 AM EDT | Dense Fog Advisory | JAX | Baker, Bradford, Duval, Nassau, Union | 5 hr |
| Oct 8, 4:02 AM EDT | Dense Fog Advisory | JAX | Nassau | 5 hr |
| Oct 13, 4:11 AM EDT | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Marion, Suwannee and 1 more | 5 hr |
| Oct 14, 7:01 AM EDT | Dense Fog Advisory | TBW | Citrus, Hernando, Hillsborough, Levy, Pasco, Polk and 1 more | 119 min |
| Oct 15, 4:11 AM EDT | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Suwannee, Union | 6 hr |
| Oct 16, 7:47 AM EDT | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Nassau, Suwannee and 1 more | 2 hr |
| Oct 26, 5:30 AM EDT | Dense Fog Advisory | JAX | Baker, Bradford, Nassau, Suwannee, Union | 4 hr |
| Nov 14, 4:00 AM EST | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Duval, Gilchrist, Marion and 1 more | 5 hr |
| Nov 15, 6:45 AM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 2 hr |
| Nov 16, 1:51 AM EST | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Marion, Union | 5 hr |
| Nov 26, 6:20 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 15 hr |
| Nov 26, 9:29 PM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 12 hr |
| Dec 10, 2:13 AM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 9 hr |
| Dec 10, 5:39 AM EST | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Gilchrist, Marion, Suwannee and 1 more | 3 hr |
| Dec 10, 6:13 AM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 41 min |
| Dec 10, 6:54 AM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 2 hr |
| Dec 10, 2:15 PM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 20 hr |
| Dec 10, 3:42 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 19 hr |
| Dec 12, 10:41 PM EST | Dense Fog Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 11 hr |
| Dec 12, 11:38 PM EST | Dense Fog Advisory | TAE | Bay, Calhoun, Dixie, Gadsden, Holmes, Jackson and 8 more | 10 hr |
| Dec 12, 11:44 PM EST | Dense Fog Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 10 hr |
| Dec 13, 12:18 AM EST | Dense Fog Advisory | JAX | Alachua, Baker, Bradford, Duval, Flagler, Gilchrist and 4 more | 10 hr |
| Dec 13, 1:05 AM EST | Dense Fog Advisory | MLB | Lake, Orange, Osceola, Seminole, Volusia | 8 hr |
| Dec 13, 4:59 PM EST | Dense Fog Advisory | JAX | Flagler | 10 hr |
| Dec 13, 9:46 PM EST | Dense Fog Advisory | MLB | Volusia | 3 hr |
| Dec 15, 6:02 AM EST | Dense Fog Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Escambia County27
- Okaloosa County27
- Santa Rosa County27
- Gadsden County21
- Jefferson County21
- Leon County21
- Madison County21
- Taylor County21
- Wakulla County20
- Franklin County19
- Lafayette County19
- Bradford County19
- Bay County18
- Calhoun County18
- Holmes County18
- Jackson County18
- Walton County18
- Washington County18
- Baker County18
- Union County18
- Gulf County17
- Suwannee County17
- Alachua County16
- Gilchrist County16
- Dixie County13
- Nassau County13
- Marion County11
- Duval County7
- Levy County5
- Broward County5
- Collier County5
- Glades County5
- Hendry County5
- Miami-Dade County5
- Monroe County5
- Palm Beach County5
- Flagler County4
- Citrus County4
- Hernando County4
- Sumter County4
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.