Georgia, 2020Coastal Flood in Georgia, September 21, 2020
September 21, 2020 · NWS JAX · 2 events in 2 counties and zones
Surface high pressure centered over New England will shifted south which continued strong northeasterly flow over the region. A more stable and drier airmass was in place which produced less widespread shower activity moving onshore compared to previous couple of days.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
Surface high pressure centered over New England will shifted south which continued strong northeasterly flow over the region. A more stable and drier airmass was in place which produced less widespread shower activity moving onshore compared to previous couple of days. Gusty northeasterly winds continued with the highest gusts 40-45 mph along the immediate northeast Florida coast. A wind advisory was in effect through the day for coastal northeast Florida.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jacksonville, FL wrote its last area forecast discussion before the first event at Sep 21, 6:45 AM EST, 5 hours earlier.
Area forecast discussion, Sep 21, 6:45 AM EST, 5 hours before
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</html>Coastal Flood, Coastal Glynn
- When
- September 21, 11:45 AM EST
- Where
- Coastal Glynn forecast zone
- Reported by
- Official NWS Observations
- Coordinates
- 31.213, -81.494 (the zone’s center; the record gives no point)
The NOS tide gauge at the St. Simons Island Village Pier measured a peak water rise of 2.30 ft MHHW datum. This value was within the minor flood category for this site.
Coastal Flood, Coastal Camden
- When
- September 21, 12:45 PM EST
- Where
- Coastal Camden forecast zone
- Reported by
- Other Federal Agency
- Coordinates
- 30.923, -81.636 (the zone’s center; the record gives no point)
The tide gauge at Sea Camp Dock on Cumberland Island measured a total water level rise of 2.40 ft MHHW datum. This value was within the Moderate Flood category for this site.
- Coastal Flood
- Flooding of coastal land by the sea, from storm surge, onshore wind or high tides.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Storm Surge and Flash Flooding in Texas, September 21 to 23, 2020$950,000 · 14 events
- Coastal Flood in Florida, September 21 to 23, 20205 events
- Frost and Freeze in New York, September 21, 20203 events
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, September 21, 20203 events
- Coastal Flood and Astronomical Low Tide in Florida, September 21, 20203 events
- Storm Surge in Mississippi, September 21 to 22, 20202 events
- Flood in Puerto Rico, September 21, 20201 event
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: 921724, 921725.