Special Weather Statement, NWS Atlanta, GA

Area Forecast Discussion
National Weather Service Peachtree City GA
1028 PM EDT Tue Aug 13 2019

.UPDATE...

Complex of thunderstorms from Tennessee has entered North GA and
intensified as it moved across NE portions. This is where storm
motion aligned with best with propagating outflow to produce
numerous trees and powerlines down. Further west, outflow
continues to move south quickly and generate additional activity
but activity not expected to be as strong there. Overall, initial
forecast based on trends and have categorical for far North Ga and
then likely to high end chance as it drops through the Atlanta
metro. Should see activity largely dissipate after 06Z tonight.
Additional storms likely tomorrow, especially portions of Central
GA. Current forecast has a good handle on this and no additional
changes planned.

&&

Deese

&&

.PREV DISCUSSION... /issued 819 PM EDT Tue Aug 13 2019/

PREV DISCUSSION... /issued 259 PM EDT Tue Aug 13 2019/

SHORT TERM /Tonight through Wednesday Night/...

Current radar loop shows showers and thunderstorms developing across
the state this afternoon. There is also a line of storms moving
south out of TN/NC but they appear to be diminishing a bit as they
cross the Appalachians. A frontal boundary is also expected to move
into N GA tonight bringing more showers and thunderstorms into the
area with it. This frontal boundary is still expected to diminish as
it pushes south into the state so the convective activity along it
will also weaken and diminish through the early Wednesday morning
hours. Over all instability Today and Wednesday is still expected to
be marginal at best so not expecting much in the way of severe
storms. The best location for any severe storms to occur will be N
GA as the front moves in tonight but again, still expecting things
to weaken. The possibility of seeing a few strong storms across
Central GA today and a bit further northward Wed is still in the
picture and can not be ruled out. Gusty winds, frequent lightning
strikes and locally heavy rainfall will be the most likely treats
from any storms that develop.

01

LONG TERM /Thursday through Tuesday/...

The long term period begins with a broad trough across the area,
between high pressure situated to the west and the east. At the
surface across the local area, a front is expected to be splitting
the area and moving south into central Georgia. Drier air looks to
filter in behind the front, keeping portions of northwest Georgia
fairly dry for Thursday through Saturday. For central Georgia, the
front is expected to move very slowly south of the area, keeping at
least chance to likely pops across portions of central Georgia
through the first half of the weekend. as that front stalls across
central Georgia. By Sunday through the first half of next week, more
widespread moisture returns to the area bringing a more diurnal
pattern of showers and thunderstorms in the afternoons and evenings.

Overall, high temperatures through the extended are expected to be
in the mid-to-upper 80s to lower 90s, around 1 to 5 degrees above
average. Temperatures overnight are expected in the upper 60s and
low 70s, around 1 to 7 degrees above average.

Reaves

AVIATION...
00Z UPDATE...

Generally just VCSH across the area at this time and will go with
that for the first several hours. Much uncertainty with complex
just entering GA and will it maintain itself as it approaches the
ATL terminals. Think best course of action is to let TEMPO ride
for that time period and adjust as necessary as line approaches
later this evening. Additional TSRA possible for Wed and have
included Prob30 for all but RYY for that time period. Winds should
remain on the SW side through the period.

//ATL CONFIDENCE...00Z UPDATE...

Medium on TSRA chances later tonight and tomorrow.
High on remaining elements.

Deese

&&

.PRELIMINARY POINT TEMPS/POPS...
Athens          75  94  72  92 /  60  40  40  10
Atlanta         77  92  73  91 /  40  40  40  10
Blairsville     69  85  64  85 /  90  20  20  10
Cartersville    74  91  70  91 /  70  30  20  10
Columbus        78  95  75  93 /  20  70  60  20
Gainesville     75  91  71  90 /  70  30  30  10
Macon           77  96  74  93 /  20  70  60  30
Rome            74  92  70  92 /  70  20  20  10
Peachtree City  76  94  72  92 /  40  50  40  10
Vidalia         78  97  76  92 /  20  60  60  60

&&

.FFC WATCHES/WARNINGS/ADVISORIES...
Heat Advisory from noon to 8 PM EDT Wednesday for the following
zones: Baldwin...Bibb...Bleckley...Butts...Chattahoochee...
Clarke...Clayton...Coweta...Crawford...Crisp...Dodge...Dooly...
Emanuel...Fayette...Glascock...Greene...Hancock...Harris...
Heard...Henry...Houston...Jasper...Jefferson...Johnson...Jones...
Lamar...Laurens...Macon...Marion...Meriwether...Monroe...
Montgomery...Morgan...Muscogee...Newton...Oconee...Oglethorpe...
Peach...Pike...Pulaski...Putnam...Rockdale...Schley...Spalding...
Stewart...Sumter...Talbot...Taliaferro...Taylor...Telfair...
Toombs...Treutlen...Troup...Twiggs...Upson...Walton...Warren...
Washington...Webster...Wheeler...Wilcox...Wilkes...Wilkinson.

&&

SHORT TERM...Deese
LONG TERM....Reaves
AVIATION...Deese

Hazardous Weather Outlook
National Weather Service Peachtree City GA
1025 PM EDT Tue Aug 13 2019

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-150230-
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-
1025 PM EDT Tue Aug 13 2019

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

.DAY ONE...Tonight...

A line of thunderstorms is moving through far north Georgia and
will continue to drop south into the early morning hours. A few of
these storms may be strong to severe with damaging wind gusts,
some hail, frequent cloud-to-ground lightning and heavy rain.
Elsewhere across the region, isolated to scattered thunderstorms
will be possible this evening into the overnight hours. A few of
these storms could be strong with gusty winds, frequent cloud-to-ground
lightning and heavy rain.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday...

A Heat Advisory is in effect for much of central Georgia Wednesday
afternoon and early evening with heat index values above 105
degrees. High heat and humidity will cause heat stress during
outdoor exertion or extended exposure.

Scattered thunderstorms are expected each day, especially during the
afternoon and evening hours. A few storms could be strong with gusty
winds, heavy rain and frequent cloud-to-ground lightning.

.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.

Special Weather Statement
National Weather Service Peachtree City GA
1131 PM EDT Tue Aug 13 2019

GAZ024-025-027-036-140400-
Madison GA-Banks GA-Jackson GA-Clarke GA-
1131 PM EDT Tue Aug 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN MADISON...SOUTHEASTERN
BANKS...EASTERN JACKSON AND NORTHERN CLARKE COUNTIES UNTIL midnight
EDT...

At 1131 PM EDT...a line of strong thunderstorms was along a line
extending from near Tugaloo State Park to Jefferson...and moving east
at 25 mph.

  HAZARD...Up to 40 mph wind...frequent cloud to ground lightning
           and heavy rain.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light...unsecured objects. Heavy rain may cause temporary
           street flooding especially in poor drainage areas.

Some locations in the path of these storms include
Jefferson, Commerce, Danielsville, Arcade, Nicholson, Ila,
Athens-Clarke County, Westgate Park, James Holland Youth Sports Cmpx,
Pocataligo, Peach State Speedway, Sandy Creek Recreation Area, Oconee
Heights, Apple Valley, Neese and Banks Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3426 8334 3424 8334 3426 8330 3424 8324
      3425 8324 3425 8320 3424 8317 3427 8311
      3426 8312 3424 8309 3397 8343 3412 8363
      3432 8339
TIME...MOT...LOC 0331Z 284DEG 23KT 3453 8303 3412 8356

WIND...40MPH

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Special Weather Statement
National Weather Service Peachtree City GA
1153 PM EDT Tue Aug 13 2019

GAZ013-021-022-032-033-045-140430-
North Fulton GA-Cobb GA-Cherokee GA-DeKalb GA-Forsyth GA-Pickens GA-
1153 PM EDT Tue Aug 13 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTH FULTON...EASTERN COBB...
CHEROKEE...NORTHWESTERN DEKALB...NORTHWESTERN FORSYTH AND
SOUTHEASTERN PICKENS COUNTIES UNTIL 1230 AM EDT...

At 1153 PM EDT...a line of strong thunderstorms was along a line
extending from near Waleska to near Sweat Mountain to Jim R Miller
Park...and moving east at 25 mph.

  HAZARD...Up to 40 mph wind...frequent cloud to ground lightning
           and heavy rain.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light...unsecured objects. Heavy rain may cause temporary
           street flooding especially in poor drainage areas.

Some locations in the path of these storms include
Atlanta, Marietta, Canton, Sandy Springs, Roswell, Alpharetta,
Smyrna, Dunwoody, Milton, Woodstock, Chamblee, Holly Springs, Ball
Ground, Nelson, Free Home, Fair Oaks, Midtown, Buffington, North
Atlanta and Mount Bethel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3434 8426 3433 8424 3402 8424 3378 8439
      3387 8464 3410 8453 3439 8454 3439 8426
TIME...MOT...LOC 0353Z 284DEG 21KT 3430 8448 3409 8447 3390 8458

WIND...40MPH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1155 PM EDT TUE AUG 13 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     TSTM WND DMG     HELEN                   34.70N  83.73W
08/13/2019                   WHITE              GA   EMERGENCY MNGR

            TREE REPORTED DOWN NEAR THE INTERSECTION OF UNICOI ST.
            AND YONAH ST.

&&

EVENT NUMBER FFC1900636

NM

Special Weather Statement
National Weather Service Peachtree City GA
1200 AM EDT Wed Aug 14 2019

GAZ023-025-034-035-140430-
Hall GA-Jackson GA-Barrow GA-Gwinnett GA-
1200 AM EDT Wed Aug 14 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN HALL...NORTHWESTERN
JACKSON...NORTHWESTERN BARROW AND GWINNETT COUNTIES UNTIL 1230 AM
EDT...

At 1200 AM EDT...a line of strong thunderstorms was along a line
extending from near Gillsville to Norcross...and moving east at 15
mph.

  HAZARD...Up to 40 mph wind...frequent cloud to ground lightning
           and heavy rain.

  IMPACT...Expect minor damage to tree limbs and blowing around of
           light...unsecured objects. Heavy rain may cause temporary
           street flooding especially in poor drainage areas.

Some locations in the path of these storms include
Lawrenceville, Jefferson, Snellville, Suwanee, Buford, Lilburn,
Norcross, Braselton, Auburn, Dacula, Grayson, Hoschton, Pendergrass,
Carl, Talmo, Candler, Mountain Park, Harbin, Chateau Elan and Road
Atlanta-Lanier Speedway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder...you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.

LAT...LON 3419 8351 3380 8406 3393 8421 3429 8369
TIME...MOT...LOC 0400Z 289DEG 13KT 3427 8368 3391 8421

WIND...40MPH