Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

May 10, 2018Catoosa County, Walker County, Georgia

NWS Atlanta, GA issued this special weather statement at May 10, 2018, 4:40 PM EDT for Catoosa County, Walker County, Georgia. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 10, 2018, 4:40 PM EDT (20:40 UTC)
Expired: May 10, 2018, 5:30 PM EDT
In force: 50 min
Issued by: NWS Atlanta, GA
Hail: 0.75 in
Wind: 50

Counties Catoosa County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 79 km from the middle of the area, began a volume at 20:42 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 12:00Z, 8.7 hours before the alert went out and 179 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: 4 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 1756 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 3:19 PM EDT	Special Weather Statement	FFC	Catoosa, Fannin, Murray, Union, Walker, Whitfield	41 min
May 10, 3:56 PM EDT	Special Weather Statement	FFC	Catoosa, Dade, Fannin, Gilmer, Murray, Walker and 1 more	49 min
May 10, 4:42 PM EDT	Special Weather Statement	FFC	Gordon, Whitfield	48 min

Nearby

Special Weather Statements in Georgia, 2018 Every special weather statement in 2018

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.