An upper level ridge of high pressure over the Four Corners region and a dry westerly flow over the PacNW resulted in dry and hot conditions developing across the region. This resulted in moderate to major HeatRisk being observed over the region.
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.
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.
The episode as NWS PDT wrote it up.
An upper level ridge of high pressure over the Four Corners region and a dry westerly flow over the PacNW resulted in dry and hot conditions developing across the region. This resulted in moderate to major HeatRisk being observed over the region.
The national radar mosaic for the moment the first event began.
1 excessive heat. Local standard time, as filed.
The local county coroner confirmed a heat related death of a 70 year old male on July 15th, and the heat related deaths of a couple, 85 year old female and 90 year old male, on July 16th.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Excessive Heat, Lower Columbia Basin | 2024-07-16 | 90 | Male | Permanent Home | Direct |
| Excessive Heat, Lower Columbia Basin | 2024-07-16 | 85 | Female | Permanent Home | Direct |
| Excessive Heat, Lower Columbia Basin | 2024-07-15 | 70 | Male | Vehicle/Towed Trailer | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Washington in 2024Every state in 2024This day in weather historyWarnings in Washington, July 2024
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 2026-10-01. Each event’s entry at NCEI: 1206542.