Heat, Hartford
- When
- July 5, 6:00 AM EST to 3:00 PM EST
- Where
- Hartford forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 41.819, -72.572 (the zone’s center; the record gives no point)
Heat in Connecticut, July 5, 1999
Bermuda high pressure brought a southwest flow of hot and humid air to Connecticut during the July 4th holiday weekend. The high temperature of 99 degrees on July 5th at Bradley International Airport in Windsor Locks broke the previous record high for the date of 98 degrees, which was set in 1955.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS BOX wrote it up.
Bermuda high pressure brought a southwest flow of hot and humid air to Connecticut during the July 4th holiday weekend. The high temperature of 99 degrees on July 5th at Bradley International Airport in Windsor Locks broke the previous record high for the date of 98 degrees, which was set in 1955. The low temperature of 77 degrees set a new record high minimum temperature for the date. The previous record was 74 degrees which was set in 1919.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 heat. Local standard time, as filed.
What these are
- Heat
- Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Flash Flooding in Arizona, July 5 to 29, 1999
- Heat and Hail in North Carolina, July 5 to 25, 1999
- Heat in Pennsylvania, July 5, 1999
- Heat in Massachusetts, July 5, 1999
- Damaging Wind in Vermont, July 5, 1999
- Damaging Wind in Wisconsin, July 5, 1999
- Flash Flood in Wisconsin, July 5, 1999
- Damaging Winds in Maine, July 5, 1999
- Damaging Wind and Lightning Strike in Arizona, July 5, 1999
- Hail in Kansas, July 5, 1999
- Lightning Strike in Arizona, July 5, 1999
- Damaging Winds in Vermont, July 5, 1999
More
Every storm in Connecticut in 1999Every state in 1999This day in weather historyWarnings in Connecticut, July 1999
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 5710646.