Alert archive / Excessive Heat Watches / 2023
Excessive Heat Watches in the United States, August 2023
93 excessive heat watches in August 2023. Each alert counts once, however many counties it covered. The archive of excessive heat watches reaches back to 2005.
Excessive Heat Watches by state
Each state shaded by its count. Tap a state for its own archive.
- Excessive Heat Watches
- 93
- Busiest day
- August 11, 20238 excessive heat watches
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.
- Mississippi36
- Florida32
- California30
- Louisiana30
- Texas22
- Alabama20
- Georgia18
- Arizona15
- Puerto Rico13
- Missouri9
- Illinois8
- Iowa8
- Washington7
- Kentucky6
- Indiana6
- Oregon5
- Tennessee5
- New Mexico5
- Arkansas5
- Kansas5
- Nevada5
- Nebraska5
- U.S. Virgin Islands5
- Ohio4
- Wisconsin3
- Minnesota3
- Utah3
- Virginia2
- Idaho2
- New Jersey2
- North Carolina1
- Pennsylvania1
- Maryland1
- District of Columbia1
- South Dakota1
- Oklahoma1
- Michigan1
- West Virginia1
- Delaware1
Nearby
Alerts in force nowThe tornado archiveThe 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.