Excessive Heat — Arlington, Virginia
2024-07-09 · Arlington, Virginia
Event narrative
The ASOS at Ronald Reagan Washington National Airport (KDCA) measured a peak heat index value of 112. Several mesonets in the county measured peak heat indices around 110.
Wider weather episode
Hot and humid conditions overspread parts of Northern Virginia on July 9, producing heat indices above 100 to 110.
Source: NOAA Storm Events Database, event_id 1204897. Narrative written by the NWS forecast office that issued the report.