Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

February 18, 20214 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Feb 18, 2021, 6:51 AM EST for 4 counties in Georgia. It was in force for 54 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: Feb 18, 2021, 6:51 AM EST (11:51 UTC)
Expired: Feb 18, 2021, 7:45 AM EST
In force: 54 min
Issued by: NWS Atlanta, GA

Counties Montgomery County, GA, Telfair County, GA, Toombs County, GA, Wheeler County, GA

The radar

The Robins AFB radar (KJGX), 104 km from the middle of the area, began a volume at 11:54 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

Jacksonville, FL (KJAX), launched 00:00Z, 11.9 hours before the alert went out and 188 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 903 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Feb 18, 6:27 AM EST, 24 minutes earlier.

Area forecast discussion, Feb 18, 6:27 AM EST, 24 minutes before

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Hazardous weather outlook, Feb 18, 5:23 AM EST, 1 hour 28 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
523 AM EST Thu Feb 18 2021

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-191030-
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-
523 AM EST Thu Feb 18 2021

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

.DAY ONE...Today and Tonight...

Periods of heavy rain and isolated to scattered thunderstorms are
expected across north and central Georgia on Thursday. A few
storms could be strong to severe, mainly across central Georgia,
with the primary threats being damaging wind gusts and an isolated
tornado.

On the back side of this system, there will be a chance for a
rain/snow mix across portions of north Georgia late Thursday
night into Friday morning. Accumulations look to be minimal, if
any, at this time.

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

There will be another chance for showers and thunderstorms across
north and central georgia Monday as another front sweeps through
the region. Dry conditions expected otherwise.

.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, Feb 18, 5:52 AM EST, 59 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
552 AM EST Thu Feb 18 2021

GAZ110>113-181145-
Toombs GA-Wheeler GA-Telfair GA-Montgomery GA-
552 AM EST Thu Feb 18 2021

...SIGNIFICANT WEATHER ADVISORY FOR TOOMBS...SOUTHEASTERN WHEELER...
SOUTHEASTERN TELFAIR AND MONTGOMERY COUNTIES UNTIL 645 AM EST...

At 552 AM EST...a strong thunderstorm was near Charlotteville, or 10
miles south of Mount Vernon...moving northeast at 55 mph.

  HAZARD...Heavy rain.

  IMPACT...Heavy rain may cause temporary street flooding especially
           in poor drainage areas.

Some locations in the path of this storm include
Lyons, Mount Vernon, Vidalia, Lumber City, Uvalda, Ailey, Scotland,
Higgston, Santa Claus, Alston, Towns, Ohoopee, Horse Creek Wma, New
Branch, Spring Hill, McNatt Falls, South Thompson, English Eddy,
Cedar Crossing and Johnson Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

LAT...LON 3179 8293 3200 8287 3234 8238 3229 8235
      3232 8223 3217 8218 3191 8223 3194 8228
      3194 8238 3196 8238 3195 8239 3197 8244
      3196 8250 3195 8248 3195 8249 3196 8253
      3196 8257 3193 8259 3192 8268 3178 8286
TIME...MOT...LOC 1052Z 240DEG 49KT 3203 8257

Special weather statement, Feb 18, 6:51 AM EST, 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
Feb 18, 5:52 AM EST	Special Weather Statement	FFC	Montgomery, Toombs	53 min
Feb 18, 8:34 AM EST	River Flood Warning	FFC	Dodge, Telfair, Wilcox	7 days
Feb 18, 8:41 AM EST	River Flood Warning	FFC	Dade	12 hr

Nearby

Special Weather Statements in Georgia, 2021 Every special weather statement in 2021

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.