Alert archive / Georgia / Flood Watches in 2008

Flood Watch 1, NWS Charleston, SC

March 7, 20085 counties in South Carolina; 8 counties in Georgia

NWS Charleston, SC issued this flood watch at Mar 7, 2008, 4:33 AM EST for 5 counties in South Carolina; 8 counties in Georgia. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Mar 7, 2008, 4:33 AM EST (09:33 UTC)
Expired
Mar 7, 2008, 8:08 PM EST
In force
16 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 09:37 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 9.6 hours before the alert went out and 304 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2008-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2008-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3060 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Mar 7, 3:45 AM EST, 48 minutes earlier.

Area forecast discussion, Mar 7, 3:45 AM EST, 48 minutes before
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Hazardous weather outlook, Mar 6, 4:24 PM EST, 12 hours 9 minutes before
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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 7, 4:33 AM ESTHigh Wind WatchCHSBerkeley12 hr
Mar 7, 7:45 AM ESTSpecial Marine WarningCHS60 min
Mar 7, 12:10 PM ESTSpecial Marine WarningCHS83 min
Mar 7, 12:33 PM ESTSpecial Marine WarningCHS57 min
Mar 7, 12:49 PM ESTSpecial Marine WarningCHS116 min
Mar 7, 1:02 PM ESTSpecial Marine WarningCHS44 min
Mar 7, 1:25 PM ESTSevere Thunderstorm WarningCHSBerkeley, Charleston, Dorchester50 min
Mar 7, 4:13 PM ESTWind AdvisoryCHSAllendale, Berkeley, Colleton, Dorchester, Hampton27 hr
Mar 7, 10:30 AM ESTTornado WarningCHSLong, McIntosh60 min
Mar 7, 10:36 AM ESTTornado WarningCHSChatham39 min
Mar 7, 11:55 AM ESTRiver Flood WarningCHSBryan, Effingham11 hr

Nearby

Flood Watches in Georgia, 2008Flood Watches in South Carolina, 2008Every flood watch in 2008

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.