Alert archive / Georgia / Areal Flood Advisories in 2012
Areal Flood Advisory 41, NWS Columbia, SC
NWS Columbia, SC issued this areal flood advisory at Jul 31, 2012, 8:47 PM EDT for Lincoln County, Georgia. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 2012, 8:47 PM EDT (00:47 UTC)
- Expired
- Jul 31, 2012, 9:45 PM EDT
- In force
- 58 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
County Lincoln County, GA
The radar
The Greer radar (KGSP), 123 km from the middle of the area, began a volume at 00:48 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, 0.8 hours before the alert went out and 196 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
- 721 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
What forecasters said that day
The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Columbia, SC wrote its last area forecast discussion before this areal flood advisory went out at Jul 31, 6:13 PM EDT, 2 hours 34 minutes earlier.
Area forecast discussion, Jul 31, 6:13 PM EDT, 2 hours 34 minutes before
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</html>Hazardous weather outlook, Jul 31, 10:38 AM EDT, 10 hours 9 minutes before
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</html>Nearby
Areal Flood Advisories in Georgia, 2012Every areal flood advisory in 2012
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.