Alert archive / Georgia / Special Weather Statements in 2020

Special Weather Statement, NWS Atlanta, GA

May 28, 2020Rockdale County, Georgia

NWS Atlanta, GA issued this special weather statement at May 28, 2020, 1:03 PM EDT for Rockdale County, Georgia. It was in force for 27 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 28, 2020, 1:03 PM EDT (17:03 UTC)
Expired: May 28, 2020, 1:30 PM EDT
In force: 27 min
Issued by: NWS Atlanta, GA
Hail: 0.25 in
Wind: 40

County Rockdale County, GA

The radar

The Atlanta radar (KFFC), 55 km from the middle of the area, began a volume at 17:06 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, 5.1 hours before the alert went out and 50 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: 528 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 525 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.0

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 28, 11:42 AM EDT, 1 hour 21 minutes earlier.

Area forecast discussion, May 28, 11:42 AM EDT, 1 hour 21 minutes before

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Hazardous weather outlook, May 28, 11:56 AM EDT, 1 hour 7 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
1156 AM EDT Thu May 28 2020

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-291600-
Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa-
Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta-
Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel-
Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene-
Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson-
Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon-
Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray-
Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach-
Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton-
Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs-
Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren-
Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes-
Wilkinson-
1156 AM EDT Thu May 28 2020

This Hazardous Weather Outlook is for portions of North and Central Georgia.

.DAY ONE...This Afternoon and Tonight...

Scattered thunderstorms are possible this afternoon and into the
evening across north and central Georgia. A couple of storms could
become strong to severe, with damaging winds and frequent
lightning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday...

Scattered to numerous thunderstorms are possible Friday and
Saturday, mainly in the afternoons and evenings. Possible hazards
with stronger thunderstorms may include frequent lightning,
periods of heavy rain, strong wind gusts, and small hail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not requested but spotters are encouraged to
submit reports of severe weather through the web by going to
weather.gov/atlanta.  Please relay any information about observed
severe weather to the NWS while following all local, state, and CDC
guidelines.

In the hours before

Special weather statement, May 28, 10:15 AM EDT, 2 hours 48 minutes before

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Special weather statement, May 28, 1:03 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 27, 9:31 PM EDT	Special Weather Statement	FFC	Harris	29 min
May 28, 12:04 AM EDT	Special Weather Statement	FFC	Lamar	26 min
May 28, 10:15 AM EDT	Special Weather Statement	FFC	Heard	30 min
May 28, 1:08 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Newton, Rockdale, Walton	52 min
May 28, 1:19 PM EDT	Special Weather Statement	FFC	Telfair	26 min
May 28, 1:47 PM EDT	Special Weather Statement	FFC	Walton	28 min
May 28, 2:10 PM EDT	Special Weather Statement	FFC	Morgan	35 min
May 28, 2:58 PM EDT	Special Weather Statement	FFC	Greene	32 min
May 28, 3:08 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Morgan, Oconee, Oglethorpe	37 min
May 28, 3:32 PM EDT	Special Weather Statement	FFC	Telfair	28 min
May 28, 3:52 PM EDT	Severe Thunderstorm Warning	FFC	Oglethorpe, Wilkes	38 min
May 28, 4:14 PM EDT	Special Weather Statement	FFC	Newton	31 min
May 28, 4:27 PM EDT	Severe Thunderstorm Warning	FFC	Wilkes	48 min
May 28, 4:33 PM EDT	Severe Thunderstorm Warning	FFC	Morgan, Newton, Walton	42 min
May 28, 6:10 PM EDT	Special Weather Statement	FFC	Greene	35 min
May 28, 6:47 PM EDT	Special Weather Statement	FFC	Greene	28 min

Nearby

Special Weather Statements in Georgia, 2020 Every special weather statement in 2020

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.