Excessive Heat — Calvert, Maryland

2023-07-29 · Calvert, Maryland

Event narrative

A Maryland Department of Transportation mesonet, MD-147, located at the intersection of Maryland Route 4 and Thomas Johnson Bridge, measured heat indices as high as 110F. Several other mesonets across Calvert County measured peak heat indices at or in excess of 110F.

Wider weather episode

Hot and humid conditions persisted for a third day across southern Maryland ahead of an approaching cold front.

Source: NOAA Storm Events Database, event_id 1121064. Narrative written by the NWS forecast office that issued the report.