Coastal Flood in Coastal St. Johns, Florida

Coastal Flood November 23, 2018 · Coastal St. Johns, Florida

What the National Weather Service wrote

A1A flooded along the Matanzas River in historic St. Augustine. The nearest tide gage along the Tolomoto River measured water level 3.67 ft MHHW as of 8:54 am, reaching moderate flooding thresholds. Thus far, this level tied the 9th highest historic crest for the site, previously set on 11/14/2012.

The wider storm

A tight pressure gradient between low pressure east of the region and high pressure north of the area created strong onshore flow. The persistent onshore flow combined with high astronomical tides created moderate tidal flooding around high tide.

Source: NOAA Storm Events Database, event 788224. Narratives are written by the National Weather Service forecast office that issued the report.

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