Alert archive / Georgia / Special Weather Statements in 2019

Special Weather Statement, NWS Atlanta, GA

July 20, 2019Chattooga County, Floyd County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 20, 2019, 10:57 AM EDT for Chattooga County, Floyd County, Georgia. It was in force for 48 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 20, 2019, 10:57 AM EDT (14:57 UTC)
Expired
Jul 20, 2019, 11:45 AM EDT
In force
48 min
Issued by
NWS Atlanta, GA

Counties Chattooga County, GA, Floyd County, GA

The radar

The Northeast Alabama radar (KHTX), 90 km from the middle of the area, began a volume at 15:01 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, 3.0 hours before the alert went out and 138 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2019-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 165 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2019-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
165 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
877 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
9 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 Jul 20, 7:50 AM EDT, 3 hours 7 minutes earlier.

Area forecast discussion, Jul 20, 7:50 AM EDT, 3 hours 7 minutes before
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Hazardous weather outlook, Jul 20, 9:05 AM EDT, 1 hour 52 minutes before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
905 AM EDT Sat Jul 20 2019

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-211000-
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-
905 AM EDT Sat Jul 20 2019

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

.DAY ONE...Today and Tonight...
Scattered thunderstorms are expected into tonight. A few storms
will be strong with gusty winds, frequent lightning and heavy
rainfall. While most storms will not be severe, one or
two could reach severe levels. Persistent heavy rain will also
lead to minor flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...
Scattered afternoon and evening thunderstorms are expected through
Monday. Widespread thunderstorms, some with very heavy rainfall,
are likely on Tuesday, followed by a decrease in rain chances
especially over north Georgia Wednesday through Friday. Any
storms will have the potential for strong gusty winds, frequent
lightning and very heavy rain.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is not requested but spotters are encouraged
to submit reports of severe weather or flooding through the web
by going to weather.gov/atlanta.

In the hours before

Special weather statement, Jul 20, 8:06 AM EDT, 2 hours 51 minutes before
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Special weather statement, Jul 20, 8:44 AM EDT, 2 hours 13 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
844 AM EDT Sat Jul 20 2019

GAZ030-031-201330-
Polk GA-Paulding GA-
844 AM EDT Sat Jul 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR POLK AND WESTERN PAULDING
COUNTIES UNTIL 930 AM EDT...

At 844 AM EDT...a line of strong thunderstorms was along a line
extending from Braswell to near Cave Spring. These storms were nearly
stationary.

  HAZARD...Heavy rain.

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

Some locations in the path of these storms include
Cedartown, Rockmart, Aragon, Braswell, Yorkville, Fish Creek, Antioch
and Van Wert.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LAT...LON 3408 8530 3408 8526 3410 8526 3400 8493
      3389 8498 3389 8504 3390 8504 3391 8505
      3391 8521 3390 8521 3391 8535
TIME...MOT...LOC 1244Z 140DEG 2KT 3396 8496 3409 8526
Special weather statement, Jul 20, 9:29 AM EDT, 1 hour 28 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
929 AM EDT Sat Jul 20 2019

GAZ030-031-201415-
Polk GA-Paulding GA-
929 AM EDT Sat Jul 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR POLK AND WESTERN PAULDING
COUNTIES UNTIL 1015 AM EDT...

At 928 AM EDT...a line of strong thunderstorms was along a line
extending from near Cave Spring to Braswell...are nearly
stationary.

  HAZARD...Heavy rain.

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

Some locations in the path of these storms include
Cedartown, Rockmart, Aragon, Braswell, Yorkville, Fish Creek, Antioch
and Van Wert.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LAT...LON 3408 8529 3408 8526 3401 8493 3389 8498
      3389 8504 3390 8504 3390 8515 3392 8536
TIME...MOT...LOC 1328Z 184DEG 61KT 3407 8529 3401 8496
Special weather statement, Jul 20, 9:40 AM EDT, 1 hour 17 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
940 AM EDT Sat Jul 20 2019

GAZ002>004-201430-
Whitfield GA-Catoosa GA-Walker GA-
940 AM EDT Sat Jul 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN WHITFIELD...SOUTHERN
CATOOSA AND SOUTHEASTERN WALKER COUNTIES UNTIL 1030 AM EDT...

At 940 AM EDT...a strong thunderstorm was over Suttles Mill, or near
Lafayette...moving west at 5 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
Lafayette, Naomi, Center Post, Linwood, Suttles Mill, Noble, Villanow
and Wood Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LAT...LON 3482 8507 3459 8508 3459 8541 3476 8541
TIME...MOT...LOC 1340Z 075DEG 14KT 3464 8523
Special weather statement, Jul 20, 10:29 AM EDT, 28 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1029 AM EDT Sat Jul 20 2019

GAZ001>003-011-019-201500-
Chattooga GA-Catoosa GA-Walker GA-Dade GA-Floyd GA-
1029 AM EDT Sat Jul 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR CHATTOOGA...SOUTHWESTERN
CATOOSA...WALKER...SOUTHERN DADE AND SOUTHWESTERN FLOYD COUNTIES
UNTIL 1100 AM EDT...

At 1029 AM EDT...a line of strong thunderstorms was along a line
extending from Noble to near Sulpher Springs to near Lindale...and
moving west at 10 mph.

  HAZARD...Heavy rain.

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

Some locations in the path of these storms include
Rome, Lafayette, Summerville, Chickamauga, Trion, Cave Spring,
Lyerly, Menlo, Center Post, Lindale, Noble, Wood Station, Tidings,
Linwood, Beaumont, Coosa, Cloudland, Berryton, Chattoogaville and
Cooper Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LAT...LON 3489 8542 3482 8508 3481 8512 3482 8513
      3476 8515 3467 8525 3414 8513 3408 8536
      3452 8552 3467 8555
TIME...MOT...LOC 1429Z 073DEG 9KT 3477 8524 3467 8549 3414 8523
Special weather statement, Jul 20, 10:57 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
1057 AM EDT Sat Jul 20 2019

GAZ011-019-201545-
Chattooga GA-Floyd GA-
1057 AM EDT Sat Jul 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR CHATTOOGA AND SOUTHWESTERN FLOYD
COUNTIES UNTIL 1145 AM EDT...

At 1057 AM EDT...a line of strong thunderstorms was along a line
extending from near Center Post to near Cave Spring. These storms
were nearly stationary.

  HAZARD...Heavy rain.

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

Some locations in the path of these storms include
Rome, Summerville, Trion, Cave Spring, Lyerly, Menlo, Lindale, Coosa,
Cloudland, Berryton, Chattoogaville, James H. Floyd State Park and
Holland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LAT...LON 3459 8530 3413 8515 3409 8542 3459 8553
TIME...MOT...LOC 1457Z 142DEG 2KT 3458 8540 3411 8524

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 19, 8:16 PM EDTSpecial Weather StatementFFCJohnson, Laurens29 min
Jul 19, 8:37 PM EDTSpecial Weather StatementFFCCrisp, Dodge, Telfair, Wilcox83 min
Jul 20, 8:03 AM EDTSpecial Weather StatementFFCPolk42 min
Jul 20, 8:06 AM EDTSpecial Weather StatementFFCBartow39 min
Jul 20, 8:44 AM EDTSpecial Weather StatementFFCPolk46 min
Jul 20, 9:29 AM EDTSpecial Weather StatementFFCPolk46 min
Jul 20, 9:40 AM EDTSpecial Weather StatementFFCWalker50 min
Jul 20, 10:29 AM EDTSpecial Weather StatementFFCChattooga, Floyd, Walker31 min
Jul 20, 10:47 AM EDTFlash Flood WarningFFCDade, Walker6 hr
Jul 20, 12:34 PM EDTSpecial Weather StatementFFCMurray41 min
Jul 20, 12:40 PM EDTRiver Flood WarningFFCPolk119 min
Jul 20, 1:04 PM EDTSpecial Weather StatementFFCMurray26 min
Jul 20, 3:29 PM EDTSpecial Weather StatementFFCChattahoochee, Stewart, Webster31 min
Jul 20, 3:47 PM EDTSpecial Weather StatementFFCUnion28 min
Jul 20, 4:22 PM EDTSpecial Weather StatementFFCUnion23 min
Jul 20, 4:50 PM EDTSpecial Weather StatementFFCUnion25 min
Jul 20, 4:58 PM EDTSpecial Weather StatementFFCHarris, Talbot32 min
Jul 20, 5:06 PM EDTSpecial Weather StatementFFCHall24 min
Jul 20, 6:14 PM EDTSpecial Weather StatementFFCPolk31 min
Jul 20, 6:47 PM EDTSpecial Weather StatementFFCPolk28 min
Jul 20, 7:09 PM EDTSpecial Weather StatementFFCDouglas36 min
Jul 20, 7:21 PM EDTSpecial Weather StatementFFCCobb24 min
Jul 20, 7:44 PM EDTSpecial Weather StatementFFCCobb31 min
Jul 20, 7:57 PM EDTSpecial Weather StatementFFCLumpkin33 min

Nearby

Special Weather Statements in Georgia, 2019Every special weather statement in 2019

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.