Alert archive / Georgia / Special Weather Statements in 2015

Special Weather Statement, NWS Atlanta, GA

May 17, 2015Cobb County, Georgia

NWS Atlanta, GA issued this special weather statement at May 17, 2015, 4:06 PM EDT for Cobb County, Georgia. It was in force for 24 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 17, 2015, 4:06 PM EDT (20:06 UTC)
Expired: May 17, 2015, 4:30 PM EDT
In force: 24 min
Issued by: NWS Atlanta, GA

County Cobb County, GA

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.1 hours before the alert went out and 287 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: 37 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 898 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -36 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, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 17, 3:00 PM EDT, 1 hour 6 minutes earlier.

Area forecast discussion, May 17, 3:00 PM EDT, 1 hour 6 minutes before

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Hazardous weather outlook, May 17, 11:00 AM EDT, 5 hours 6 minutes before

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In the hours before

Special weather statement, May 17, 4:06 PM EDT, 0 minutes before

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Nearby

Special Weather Statements in Georgia, 2015 Every special weather statement in 2015

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.