Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

July 23, 2018Madison County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 23, 2018, 4:45 PM EDT for Madison County, Georgia. It was in force for 30 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: Jul 23, 2018, 4:45 PM EDT (20:45 UTC)
Expired: Jul 23, 2018, 5:15 PM EDT
In force: 30 min
Issued by: NWS Atlanta, GA
Hail: 0.25 in
Wind: 40

County Madison County, GA

The radar

The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 20:45 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 12:00Z, 8.8 hours before the alert went out and 335 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: 1386 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 751 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.1

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 Jul 23, 3:09 PM EDT, 1 hour 36 minutes earlier.

Area forecast discussion, Jul 23, 3:09 PM EDT, 1 hour 36 minutes before

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Hazardous weather outlook, Jul 23, 2:56 PM EDT, 1 hour 49 minutes before

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In the hours before

Local storm report, Jul 23, 11:54 AM EDT, 4 hours 51 minutes before

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Local storm report, Jul 23, 12:55 PM EDT, 3 hours 50 minutes before

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Local storm report, Jul 23, 1:03 PM EDT, 3 hours 42 minutes before

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Local storm report, Jul 23, 1:14 PM EDT, 3 hours 31 minutes before

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Local storm report, Jul 23, 4:00 PM EDT, 45 minutes before

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Special weather statement, Jul 23, 4:45 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
Jul 22, 9:10 PM EDT	Special Weather Statement	FFC	Pike, Spalding	35 min
Jul 22, 9:33 PM EDT	Special Weather Statement	FFC	Spalding	27 min
Jul 22, 9:53 PM EDT	Special Weather Statement	FFC	Butts, Jasper	37 min
Jul 22, 10:37 PM EDT	Special Weather Statement	FFC	Baldwin, Bibb, Crawford, Jones	23 min
Jul 22, 11:01 PM EDT	Special Weather Statement	FFC	Baldwin, Bibb, Crawford, Jones	29 min
Jul 22, 11:13 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Jones, Twiggs	32 min
Jul 22, 11:24 PM EDT	Special Weather Statement	FFC	Hancock	36 min
Jul 22, 11:45 PM EDT	Special Weather Statement	FFC	Bleckley	30 min
Jul 22, 11:56 PM EDT	Special Weather Statement	FFC	Houston, Macon, Peach	34 min
Jul 23, 12:04 AM EDT	Special Weather Statement	FFC	Washington, Wilkinson	26 min
Jul 23, 12:17 AM EDT	Severe Thunderstorm Warning	FFC	Dooly, Macon, Sumter	28 min
Jul 23, 12:33 AM EDT	Special Weather Statement	FFC	Johnson	27 min
Jul 23, 12:38 AM EDT	Special Weather Statement	FFC	Bleckley, Houston, Pulaski	22 min
Jul 23, 12:48 AM EDT	Special Weather Statement	FFC	Dooly	27 min
Jul 23, 1:06 AM EDT	Severe Thunderstorm Warning	FFC	Crisp, Dooly, Sumter	24 min
Jul 23, 1:19 AM EDT	Special Weather Statement	FFC	Dodge, Pulaski, Wilcox	26 min
Jul 23, 1:30 AM EDT	Severe Thunderstorm Warning	FFC	Dodge, Pulaski, Wilcox	30 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.