Alert archive / Florida / Excessive Heat Warnings / 2023
Excessive Heat Warnings in Florida, August 2023
38 excessive heat warnings in August 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 August 2023. Tap one for its archive.
- Excessive Heat Warnings
- 38
- Busiest day
- August 9, 20237 excessive heat warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| 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 County11
- Calhoun County11
- Gulf County11
- Washington County11
- Holmes County10
- Walton County10
- Jackson County10
- Franklin County8
- Wakulla County8
- Duval County8
- Flagler County8
- Nassau County8
- Escambia County7
- Okaloosa County7
- Santa Rosa County7
- Gadsden County7
- Jefferson County7
- Leon County7
- Clay County7
- Putnam County7
- Dixie County6
- Lafayette County6
- Madison County6
- Taylor County6
- Alachua County6
- Baker County6
- Bradford County6
- Gilchrist County6
- Marion County6
- Suwannee County6
- Union County6
- Monroe County4
- Brevard County4
- Lake County4
- Orange County4
- Osceola County4
- Seminole County4
- Volusia County4
- Martin County3
- Okeechobee County3
21 more counties
- Saint Lucie County3
- Indian River County3
- DeSoto County3
- Hardee County3
- Highlands County3
- Hillsborough County3
- Manatee County3
- Polk County3
- Sarasota County3
- Broward County2
- Collier County2
- Glades County2
- Hendry County2
- Miami-Dade County2
- Palm Beach County2
- Citrus County2
- Hernando County2
- Levy County2
- Pasco County2
- Pinellas County2
- Sumter County2
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. Warning verification from the Mesonet's Cow. Rebuilt daily.