Tropical Storm — Coastal St. Johns, Florida

2020-08-02 to 2020-08-04 · Coastal St. Johns, Florida

Event narrative

TS Isaias tracked north, offshore of the local coast. Broken rain bands moved onshore with brief squalls. At 5:27 am on 8/3, the AWOS at St. Augustine airport measured a peak wind of 21 mph from the north. A peak gust of 32 mph from the NNE was measured at 5:59 am. The St. Augustine C-Man station measured peak winds at 6:10 am with sustained 33 mph and a gust to 41 mph. Rainfall was minimal across the area with measured totals 1.02 inches at a few locations across western parts of the county per a CoCoRaHS station. Otherwise, rainfall was less than 1 inch with several areas near St. Augustine measuring around 0.50 inches. Storm surge was up to 2 ft inundation, most locations were 1.5 ft above dry ground or less. The only damage reported was from the National Park Service who stated that there was minor beach erosion at Fort Matanzas.

Wider weather episode

Isaias tracked offshore of the local forecast area through the day August 3rd. Occasional rainbands moved onshore over the local area through the day with gusts of 20-40 mph.

Source: NOAA Storm Events Database, event_id 907777. Narrative written by the NWS forecast office that issued the report.