Special Weather Statement, NWS Atlanta, GA

Area Forecast Discussion
National Weather Service Peachtree City GA
312 PM EDT Sat Jul 30 2022

...Afternoon Area Forecast Discussion...

.SHORT TERM /Tonight through Sunday Night/...

Coverage of showers and thunderstorms will continue to increase
through this afternoon and persist into this evening courtesy of the
weak frontal boundary that has now dipped into north Georgia and is
situated across the area. While morning cloud cover delayed the
onset of convection across a corridor of north Georgia, shower and
thunderstorm development has quickly increased in areas with greater
and earlier insolation and is commencing across the remainder of
the area as earlier cloud cover has diminished. The primary risk
associated with this activity continues to be locally heavy
rainfall totals. PWATs remain elevated at over 2" across the CWA,
allowing for very efficient rainfall rates. Thus, a localized
flash flooding risk will be evident, perhaps most so across the
terrain of the northeast Georgia mountains if some heavier totals
occur in this region through this evening.

As was the case last night, some convection could linger into the
overnight hours before diminishing by early Sunday morning. Sunday
should start with mostly dry conditions and areas of low clouds
across north Georgia. The frontal boundary will begin to lift back
northward into Tennessee and the Appalachian region on Sunday as the
shortwave trough axis lifts northeastward. As such, diurnally
enhanced shower and thunderstorm coverage will be focused farther
north as compared to today, mainly for areas north of the I-20
corridor. Locally heavy rainfall will remain possible. Farther
south, less coverage is expected, and temperatures will again
warm well into the mid 90s in Middle Georgia.

RW

.LONG TERM /Monday through Saturday/...

A high pressure system over the atlantic will keep the CWA in a
summertime pattern with diurnally driven storms during the
afternoon with highs in the mid to upper 90s every day. Through the
long term, there isn't really any significant changes to make from
day to day. High pressure will remain in control and any actual flow
in the upper levels will remain confined over the northern part of
the US.

The tropics remain quiet and temperatures will stay in the upper 80s
and low 90s with HI values approaching triple digits through the
foreseeable forecast; which is on par with what we would expect
climatologically for the area this time of year.

Vaughn

&&

.AVIATION...
18Z Update...
VFR cigs are expected to largely prevail through this evening with
sct to numerous shra/tsra developing through the afternoon into
evening. Some shra/tsra coverage could persist into tonight
before likely mostly diminishing after 06Z. Low clouds become more
likely at ATL/AHN sites by 09-11Z with IFR and perhaps LIFR cigs
possible. Cigs should improve by 14-15Z with sct shra/tsra again
possible Sunday afternoon. Winds will remain W to SW 5-10 kts
through the period.

//ATL Confidence...18Z Update...
Medium confidence on convection timing and morning low cig
coverage.
High confidence on winds.

RW

&&

.PRELIMINARY POINT TEMPS/POPS...
Athens          72  90  72  91 /  40  50  20  40
Atlanta         72  91  73  91 /  40  50  20  40
Blairsville     67  83  67  82 /  40  80  50  70
Cartersville    71  88  71  89 /  30  60  30  50
Columbus        74  94  74  95 /  30  20  10  20
Gainesville     71  87  71  88 /  40  60  30  50
Macon           73  96  72  97 /  30  20  10  20
Rome            72  90  72  91 /  30  70  30  50
Peachtree City  71  92  71  93 /  30  40  10  30
Vidalia         74  96  75  98 /  20  20  10  20

&&

.FFC WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

SHORT TERM...RW
LONG TERM....Vaughn
AVIATION...RW

Hazardous Weather Outlook
National Weather Service Peachtree City GA
512 AM EDT Sat Jul 30 2022

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-310915-
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-
512 AM EDT Sat Jul 30 2022

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

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

Widespread showers and thunderstorms are expected this afternoon
and evening, some of which could become strong to severe. Strong
gusty winds, frequent lightning, and locally heavy rainfall will
be the primary hazards. Isolated flooding will be a concern where
heavy rains persist for prolonged periods of time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Scattered thunderstorms are possible each afternoon and evening
across much of the forecast area through Friday, with the highest
chances across north Georgia this weekend. A few storms each day
could become strong to severe, capable of producing gusty winds,
frequent lightning, and locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

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Special Weather Statement
National Weather Service Peachtree City GA
356 PM EDT Sat Jul 30 2022

GAZ033-044-045-302030-
North Fulton GA-DeKalb GA-South Fulton GA-
356 PM EDT Sat Jul 30 2022

...A strong thunderstorm will impact portions of DeKalb and south
central Fulton Counties through 430 PM EDT...

At 356 PM EDT, a strong thunderstorm was over East Lake, or over
Decatur, moving northeast at 10 mph.

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

SOURCE...Radar indicated.

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.

Locations impacted include...
Atlanta, Decatur, Dunwoody, East Point, College Park, Chamblee,
Doraville, Clarkston, Hapeville, Stone Mountain, Avondale Estates,
Pine Lake, Tucker, Belvedere Park, North Decatur, North Atlanta,
North Druid Hills, Midtown, Grant Park-Zoo Atlanta and
Candler-Mcafee.

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 3395 8432 3390 8423 3387 8420 3385 8416
      3378 8408 3377 8408 3365 8421 3365 8422
      3364 8423 3364 8425 3365 8425 3365 8448
TIME...MOT...LOC 1956Z 212DEG 7KT 3375 8429

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

Special Weather Statement
National Weather Service Peachtree City GA
359 PM EDT Sat Jul 30 2022

GAZ049-050-060-302030-
Morgan GA-Putnam GA-Greene GA-
359 PM EDT Sat Jul 30 2022

...A strong thunderstorm will impact portions of southeastern Morgan,
northern Putnam and southwestern Greene Counties through 430 PM
EDT...

At 359 PM EDT, a strong thunderstorm was over Rock Eagle 4-H Center,
or near Eatonton, moving northeast at 10 mph.

HAZARD...Up to 40 mph wind, pea sized hail and frequent cloud to
         ground lightning.

SOURCE...Radar indicated.

IMPACT...Expect minor damage to tree limbs and blowing around of
         light, unsecured objects.

Locations impacted include...
Eatonton, Buckhead, Phoenix, Reynolds at Lake Oconee, Liberty,
Harmony, Warfield, Rockville, Rock Eagle 4-H Center, Central Georgia
Experiment Stn, Parks Mill, Carey and Swords.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3335 8316 3326 8336 3341 8352 3361 8331
      3340 8310
TIME...MOT...LOC 1959Z 230DEG 10KT 3338 8337

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Special Weather Statement
National Weather Service Peachtree City GA
408 PM EDT Sat Jul 30 2022

GAZ032-033-043-044-302045-
North Fulton GA-Douglas GA-Cobb GA-South Fulton GA-
408 PM EDT Sat Jul 30 2022

...A strong thunderstorm will impact portions of south central Cobb,
east central Douglas and southwestern Fulton Counties through 445 PM
EDT...

At 407 PM EDT, a strong thunderstorm was over City of South Fulton.
This storm was nearly stationary.

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

SOURCE...Radar indicated.

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.

Locations impacted include...
Atlanta, City of South Fulton, East Point, Union City, College Park,
Fairburn, Hapeville, Sweetwater Creek State Park, Bankhead, Six Flags
Over Georgia, Cascade Heights, Campbellton, Sandtown and Mableton.

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 3381 8460 3381 8445 3368 8439 3364 8445
      3365 8446 3363 8446 3355 8458 3362 8470
TIME...MOT...LOC 2007Z 218DEG 4KT 3364 8459

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH