Alert archive / Georgia / Freeze Warnings in 2005

Freeze Warning 1, NWS Charleston, SC

November 17, 20055 counties in Georgia; 5 counties in South Carolina

NWS Charleston, SC issued this freeze warning at Nov 17, 2005, 4:41 AM EST for 5 counties in Georgia; 5 counties in South Carolina. It took effect at Nov 18, 2005, 2:00 AM EST. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 17, 2005, 4:41 AM EST (09:41 UTC)
In effect from: Nov 18, 2005, 2:00 AM EST
Expired: Nov 18, 2005, 9:00 AM EST
In force: 7 hr
Issued by: NWS Charleston, SC

Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Jenkins County, GA, Screven County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC

The radar

The Charleston,SC radar (KCLX), 21 km from the middle of the area, began a volume at 09:43 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 00:00Z, 9.7 hours before the alert went out and 115 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 148 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning 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 freeze warning went out at Nov 17, 3:44 AM EST, 57 minutes earlier.

Area forecast discussion, Nov 17, 3:44 AM EST, 57 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 17, 4:41 AM EST	Freeze Watch	CHS	Bulloch, Candler, Effingham, Evans, Jenkins, Screven and 1 more	28 hr

Nearby

Freeze Warnings in Georgia, 2005 Freeze Warnings in South Carolina, 2005 Every freeze warning in 2005

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.