Alert archive / Florida / Excessive Heat Warnings
Excessive Heat Warnings in Florida, 2023
48 excessive heat warnings in 2023. 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Excessive Heat Warnings
- 48
- Busiest month
- August38 excessive heat warnings
- Busiest day
- August 9, 20237 excessive heat warnings
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 |
|---|---|---|---|---|
| Jun 26, 4:17 PM EDT | Excessive Heat Warning | MOB | Escambia, Santa Rosa | 29 hr |
| Jun 28, 3:34 AM EDT | Excessive Heat Warning | MOB | Escambia, Santa Rosa | 16 hr |
| Jun 28, 4:49 PM EDT | Excessive Heat Warning | MOB | Escambia, Santa Rosa | 24 hr |
| Jul 16, 2:47 AM EDT | Excessive Heat Warning | MFL | Miami-Dade | 16 hr |
| Jul 21, 2:22 AM EDT | Excessive Heat Warning | MFL | Broward, Collier, Miami-Dade | 16 hr |
| Jul 21, 2:25 AM EDT | Excessive Heat Warning | JAX | Baker, Bradford, Clay, Duval, Flagler, Nassau and 3 more | 19 hr |
| Jul 21, 3:07 AM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 9 more | 17 hr |
| Jul 23, 10:39 AM EDT | Excessive Heat Warning | MFL | Broward, Miami-Dade | 9 hr |
| Jul 24, 2:51 AM EDT | Excessive Heat Warning | MFL | Miami-Dade | 17 hr |
| Jul 29, 2:40 PM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more | 28 hr |
| Aug 6, 3:02 AM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Gulf, Holmes, Walton, Washington | 17 hr |
| Aug 6, 3:35 AM EDT | Excessive Heat Warning | MOB | Escambia, Okaloosa, Santa Rosa | 16 hr |
| Aug 6, 6:26 PM EDT | Excessive Heat Warning | MOB | Escambia, Okaloosa, Santa Rosa | 26 hr |
| Aug 6, 8:13 PM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 24 hr |
| Aug 7, 2:31 AM EDT | Excessive Heat Warning | JAX | Alachua, Baker, Bradford, Clay, Duval, Flagler and 6 more | 17 hr |
| Aug 7, 8:02 PM EDT | Excessive Heat Warning | JAX | Alachua, Baker, Bradford, Clay, Duval, Flagler and 6 more | 24 hr |
| Aug 7, 8:19 PM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 24 hr |
| Aug 7, 9:04 PM EDT | Excessive Heat Warning | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 21 hr |
| Aug 8, 3:04 AM EDT | Excessive Heat Warning | MLB | Martin, Okeechobee, Saint Lucie | 16 hr |
| Aug 8, 11:07 AM EDT | Excessive Heat Warning | KEY | Monroe | 9 hr |
| Aug 8, 8:44 PM EDT | Excessive Heat Warning | JAX | Alachua, Baker, Bradford, Clay, Duval, Flagler and 6 more | 23 hr |
| Aug 9, 2:21 AM EDT | Excessive Heat Warning | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 41 hr |
| Aug 9, 3:04 AM EDT | Excessive Heat Warning | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 16 hr |
| Aug 9, 3:53 AM EDT | Excessive Heat Warning | KEY | Monroe | 15 hr |
| Aug 9, 3:55 AM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 9 more | 16 hr |
| Aug 9, 9:40 AM EDT | Excessive Heat Warning | TBW | DeSoto, Hardee, Highlands, Hillsborough, Manatee, Polk and 1 more | 9 hr |
| Aug 9, 7:17 PM EDT | Excessive Heat Warning | JAX | Clay, Duval, Flagler, Nassau, Putnam | 25 hr |
| Aug 10, 2:19 AM EDT | Excessive Heat Warning | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 17 hr |
| Aug 10, 8:03 PM EDT | Excessive Heat Warning | JAX | Duval, Flagler, Nassau | 24 hr |
| Aug 11, 3:08 AM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 6 more | 17 hr |
| Aug 11, 3:19 PM EDT | Excessive Heat Warning | MLB | Brevard, Indian River, Lake, Orange, Osceola, Seminole and 1 more | 27 hr |
| Aug 11, 3:20 PM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 29 hr |
| Aug 11, 3:37 PM EDT | Excessive Heat Warning | JAX | Alachua, Baker, Bradford, Clay, Duval, Flagler and 6 more | 28 hr |
| Aug 11, 3:49 PM EDT | Excessive Heat Warning | MOB | Escambia, Okaloosa, Santa Rosa | 28 hr |
| Aug 12, 3:03 AM EDT | Excessive Heat Warning | TBW | Citrus, DeSoto, Hardee, Hernando, Highlands, Hillsborough and 7 more | 16 hr |
| Aug 12, 2:33 PM EDT | Excessive Heat Warning | MLB | Brevard, Lake, Orange, Osceola, Seminole, Volusia | 28 hr |
| Aug 12, 3:26 PM EDT | Excessive Heat Warning | MOB | Escambia, Okaloosa, Santa Rosa | 29 hr |
| Aug 12, 8:06 PM EDT | Excessive Heat Warning | JAX | Alachua, Baker, Bradford, Clay, Duval, Flagler and 6 more | 24 hr |
| Aug 12, 8:35 PM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 23 hr |
| Aug 13, 3:03 AM EDT | Excessive Heat Warning | TBW | Citrus, DeSoto, Hardee, Hernando, Highlands, Hillsborough and 7 more | 16 hr |
| Aug 13, 1:16 PM EDT | Excessive Heat Warning | MOB | Escambia, Okaloosa, Santa Rosa | 31 hr |
| Aug 13, 8:07 PM EDT | Excessive Heat Warning | JAX | Alachua, Baker, Bradford, Clay, Duval, Flagler and 6 more | 24 hr |
| Aug 13, 8:11 PM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 24 hr |
| Aug 15, 2:50 AM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Gulf, Holmes, Jackson, Walton and 1 more | 16 hr |
| Aug 22, 2:53 PM EDT | Excessive Heat Warning | MOB | Escambia, Okaloosa, Santa Rosa | 30 hr |
| Aug 22, 3:19 PM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Gulf, Holmes, Jackson, Walton and 1 more | 29 hr |
| Aug 26, 3:18 AM EDT | Excessive Heat Warning | TAE | Bay, Calhoun, Franklin, Gulf, Jackson, Wakulla and 2 more | 17 hr |
| Aug 26, 5:10 AM EDT | Excessive Heat Warning | MOB | Escambia, Okaloosa, Santa Rosa | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bay County13
- Calhoun County13
- Gulf County13
- Washington County13
- Holmes County12
- Jackson County12
- Walton County12
- Escambia County10
- Santa Rosa County10
- Franklin County10
- Wakulla County10
- Duval County9
- Flagler County9
- Nassau County9
- Gadsden County9
- Jefferson County9
- Leon County9
- Clay County8
- Putnam County8
- Madison County8
- Baker County7
- Bradford County7
- Suwannee County7
- Union County7
- Lafayette County7
- Taylor County7
- Okaloosa County7
- Miami-Dade County6
- Dixie County6
- Alachua County6
- Gilchrist County6
- Marion County6
- Broward County4
- Monroe County4
- Brevard County4
- Lake County4
- Orange County4
- Osceola County4
- Seminole County4
- Volusia County4
21 more counties
- Collier County3
- Martin County3
- Okeechobee County3
- Saint Lucie County3
- Indian River County3
- DeSoto County3
- Hardee County3
- Highlands County3
- Hillsborough County3
- Manatee County3
- Polk County3
- Sarasota County3
- Glades County2
- Hendry County2
- Palm Beach County2
- Citrus County2
- Hernando County2
- Levy County2
- Pasco County2
- Pinellas County2
- Sumter County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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. Rebuilt daily.