Alert archive / Georgia / Freeze Watches in 2008

Freeze Watch 2, NWS Atlanta, GA

April 13, 200833 counties in Georgia

NWS Atlanta, GA issued this freeze watch at Apr 13, 2008, 4:29 PM EDT for 33 counties in Georgia. It took effect at Apr 15, 2008, 5:00 AM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Apr 13, 2008, 4:29 PM EDT (20:29 UTC)
In effect from: Apr 15, 2008, 5:00 AM EDT
Expired: Apr 14, 2008, 4:44 PM EDT
In force
Issued by: NWS Atlanta, GA

All 33 counties

Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Haralson County, GA, Heard County, GA, Lamar County, GA, Lumpkin County, GA, Meriwether County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Spalding County, GA, Towns County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walker County, GA, White County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 80 km from the middle of the area, began a volume at 20:28 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

Birmingham, AL (KBMX), launched 12:00Z, 8.5 hours before the alert went out and 219 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1529 m above ground
0-6 km bulk shear: 101 kt
0-1 km storm-relative helicity: -264 m²/s²
0-3 km storm-relative helicity: -187 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 freeze watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this freeze watch went out at Apr 13, 4:15 PM EDT, 14 minutes earlier.

Area forecast discussion, Apr 13, 4:15 PM EDT, 14 minutes before

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Hazardous weather outlook, Apr 13, 11:21 AM EDT, 5 hours 8 minutes before

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The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 13, 11:04 AM EDT	Red Flag Warning	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 75 more	9 hr
Apr 13, 4:43 PM EDT	Fire Weather Watch	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 83 more	43 hr

Nearby

Freeze Watches in Georgia, 2008 Every freeze 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.