Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

May 15, 2018Bibb County, Macon County, Peach County, Georgia

NWS Atlanta, GA issued this special weather statement at May 15, 2018, 5:42 PM EDT for Bibb County, Macon County, Peach County, Georgia. It was in force for 33 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 15, 2018, 5:42 PM EDT (21:42 UTC)
Expired: May 15, 2018, 6:15 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA

Counties Bibb County, GA, Macon County, GA, Peach County, GA

The radar

The Robins AFB radar (KJGX), 52 km from the middle of the area, began a volume at 21:43 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

Birmingham, AL (KBMX), launched 12:00Z, 9.7 hours before the alert went out and 280 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: 85 J/kg
Mixed-layer CIN: -206 J/kg
Mixed-layer LCL: 1464 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted.

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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 15, 3:07 PM EDT, 2 hours 35 minutes earlier.

Area forecast discussion, May 15, 3:07 PM EDT, 2 hours 35 minutes before

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Hazardous weather outlook, May 15, 5:34 PM EDT, 8 minutes before

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In the hours before

Special weather statement, May 15, 4:31 PM EDT, 1 hour 11 minutes before

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Special weather statement, May 15, 4:50 PM EDT, 52 minutes before

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Special weather statement, May 15, 5:42 PM EDT, 0 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
May 15, 4:31 PM EDT	Special Weather Statement	FFC	Dade	29 min
May 15, 4:50 PM EDT	Special Weather Statement	FFC	Ben Hill	40 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.