Alert archive / Georgia / Special Weather Statements in 2020

Special Weather Statement, NWS Atlanta, GA

July 31, 2020Whitfield County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 31, 2020, 6:53 PM EDT for Whitfield County, Georgia. It was in force for 22 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 31, 2020, 6:53 PM EDT (22:53 UTC)
Expired: Jul 31, 2020, 7:15 PM EDT
In force: 22 min
Issued by: NWS Atlanta, GA
Wind: 40

County Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 109 km from the middle of the area, began a volume at 22:56 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.9 hours before the alert went out and 202 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: 1311 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 652 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.4

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 31, 3:16 PM EDT, 3 hours 37 minutes earlier.

Area forecast discussion, Jul 31, 3:16 PM EDT, 3 hours 37 minutes before

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Hazardous weather outlook, Jul 31, 1:55 PM EDT, 4 hours 58 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
155 PM EDT Fri Jul 31 2020

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-011800-
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-
155 PM EDT Fri Jul 31 2020

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

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

Scattered to numerous thunderstorms are expected today across the
area. A few storms may be strong to briefly severe with damaging
winds, frequent lightning, and locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday...

Scattered thunderstorms are possible across mainly north Georgia
on Saturday, then the majority of the area each day thereafter. A
few storms may be strong to briefly severe with damaging winds,
frequent lightning, hail, and locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

In the hours before

Special weather statement, Jul 31, 5:02 PM EDT, 1 hour 51 minutes before

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Special weather statement, Jul 31, 5:34 PM EDT, 1 hour 19 minutes before

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Special weather statement, Jul 31, 5:41 PM EDT, 1 hour 12 minutes before

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Special weather statement, Jul 31, 5:57 PM EDT, 56 minutes before

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Special weather statement, Jul 31, 5:58 PM EDT, 55 minutes before

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Special weather statement, Jul 31, 6:53 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 31, 1:42 PM EDT	Special Weather Statement	FFC	Dooly, Sumter	33 min
Jul 31, 2:18 PM EDT	Special Weather Statement	FFC	Dooly	27 min
Jul 31, 2:39 PM EDT	Severe Thunderstorm Warning	FFC	Dooly, Pulaski	21 min
Jul 31, 3:41 PM EDT	Special Weather Statement	FFC	Wilkinson	34 min
Jul 31, 4:32 PM EDT	Special Weather Statement	FFC	Telfair, Wheeler	28 min
Jul 31, 5:02 PM EDT	Special Weather Statement	FFC	Wheeler	28 min
Jul 31, 5:34 PM EDT	Special Weather Statement	FFC	Chattooga	26 min
Jul 31, 5:41 PM EDT	Special Weather Statement	FFC	Floyd	34 min
Jul 31, 5:57 PM EDT	Special Weather Statement	FFC	Hall	33 min
Jul 31, 5:58 PM EDT	Special Weather Statement	FFC	Lumpkin	32 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.