Alert archive / Georgia / Flood Watches in 2025
Flood Watch 2, NWS Charleston, SC
NWS Charleston, SC issued this flood watch at Aug 21, 2025, 1:02 PM EDT for 8 counties in Georgia; 5 counties in South Carolina. It took effect at Aug 22, 2025, 8:00 AM EDT. It was in force for 41 hr.
The area
The counties it named.
The facts
- Issued
- Aug 21, 2025, 1:02 PM EDT (17:02 UTC)
- In effect from
- Aug 22, 2025, 8:00 AM EDT
- Expired
- Aug 24, 2025, 12:44 AM EDT
- In force
- 41 hr
- Issued by
- NWS Charleston, SC
- Flood severity
- None
Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Evans County, GA, Jenkins County, GA, Long County, GA, Screven County, GA, Tattnall County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 33 km from the middle of the area, began a volume at 17:05 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 5.0 hours before the alert went out and 134 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 82 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 902 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, SC wrote its last area forecast discussion before this flood watch went out at Aug 21, 7:33 AM EDT, 5 hours 29 minutes earlier.
Area forecast discussion, Aug 21, 7:33 AM EDT, 5 hours 29 minutes before
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</html>Hazardous weather outlook, Aug 21, 7:36 AM EDT, 5 hours 26 minutes before
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</html>The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 3:53 PM EDT | Special Weather Statement | CHS | Bulloch, Screven | 52 min |
| Aug 21, 5:52 PM EDT | Special Weather Statement | CHS | Bryan | 38 min |
| Aug 21, 6:09 PM EDT | Areal Flood Advisory | CHS | Bryan, Chatham, Effingham, Liberty | 92 min |
| Aug 21, 6:27 PM EDT | Flash Flood Warning | CHS | Bryan, Chatham, Liberty | 64 min |
| Aug 21, 6:42 PM EDT | Special Weather Statement | CHS | Long | 48 min |
| Aug 21, 7:31 AM EDT | Coastal Flood Advisory | CHS | 14 hr |
Nearby
Flood Watches in Georgia, 2025Flood Watches in South Carolina, 2025Every flood watch in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.