Alert archive / Georgia / Special Weather Statements in 2020

Special Weather Statement, NWS Atlanta, GA

July 27, 2020Banks County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 27, 2020, 7:32 PM EDT for Banks County, Georgia. It was in force for 28 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 27, 2020, 7:32 PM EDT (23:32 UTC)
Expired
Jul 27, 2020, 8:00 PM EDT
In force
28 min
Issued by
NWS Atlanta, GA
Hail
0.25 in
Wind
40

County Banks County, GA

The radar

The Greer radar (KGSP), 133 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 142 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 2020-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 562 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 2020-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
562 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1060 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
4 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 27, 7:20 PM EDT, 12 minutes earlier.

Area forecast discussion, Jul 27, 7:20 PM EDT, 12 minutes before
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Hazardous weather outlook, Jul 27, 11:55 AM EDT, 7 hours 37 minutes before
Hazardous Weather Outlook
National Weather Service Peachtree City GA
1155 AM EDT Mon Jul 27 2020

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-281600-
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-
1155 AM EDT Mon Jul 27 2020

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

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

Scattered afternoon and evening thunderstorms are forecast across
the area. Some storms could be strong to briefly severe with
strong winds, frequent lightning, and heavy rainfall as the
primary threats.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday...

Scattered thunderstorms are expected each day across the area. 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 27, 6:08 PM EDT, 1 hour 24 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
608 PM EDT Mon Jul 27 2020

GAZ022-023-272245-
Hall GA-Forsyth GA-
608 PM EDT Mon Jul 27 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN HALL AND
NORTHEASTERN FORSYTH COUNTIES UNTIL 645 PM EDT...

At 608 PM EDT...a strong thunderstorm was over Oscarville, or 7 miles
east of Cumming...moving east at 10 mph.

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

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

Some locations in the path of this storm include
Gainesville, Braselton, Flowery Branch, Oakwood, Aqualand Park,
Chestatee, Chestnut Mountain, Oscarville and Lake Lanier Islands.

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 3412 8383 3410 8387 3417 8406 3414 8409
      3414 8410 3432 8407 3433 8379
TIME...MOT...LOC 2208Z 279DEG 7KT 3422 8401

HAIL...0.25IN
WIND...40MPH
Local storm report, Jul 27, 6:21 PM EDT, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
621 PM EDT MON JUL 27 2020

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

0530 PM     TSTM WND DMG     3 SE DREW               34.18N  84.18W
07/27/2020                   FORSYTH            GA   PUBLIC

            AN OAK TREE WAS REPORTED DOWN ALONG DEVONSHIRE WAY.

&&

EVENT NUMBER FFC2000995

LREAVES
Local storm report, Jul 27, 6:32 PM EDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
632 PM EDT MON JUL 27 2020

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

0600 PM     TSTM WND DMG     2 SW OSCARVILLE         34.22N  84.00W
07/27/2020                   FORSYTH            GA   PUBLIC

            A TREE WAS REPORTED DOWN ALONG MAINSAIL DRIVE.

&&

EVENT NUMBER FFC2000996

LREAVES
Special weather statement, Jul 27, 6:39 PM EDT, 53 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
639 PM EDT Mon Jul 27 2020

GAZ023>025-272315-
Hall GA-Banks GA-Jackson GA-
639 PM EDT Mon Jul 27 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN HALL...BANKS AND
NORTHERN JACKSON COUNTIES UNTIL 715 PM EDT...

At 639 PM EDT...a strong thunderstorm was near Candler, or near
Gainesville...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 this storm include
Gainesville, Jefferson, Commerce, Homer, Lula, Maysville,
Pendergrass, Gillsville, Talmo, Candler, Peach State Speedway, Road
Atlanta-Lanier Speedway, Apple Valley, Hollingsworth 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 3416 8339 3412 8383 3433 8379 3449 8352
      3449 8350
TIME...MOT...LOC 2239Z 263DEG 21KT 3425 8374

WIND...40MPH
Special weather statement, Jul 27, 7:19 PM EDT, 13 minutes before
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Special weather statement, Jul 27, 7:32 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 4:26 PM EDTSpecial Weather StatementFFCCherokee34 min
Jul 27, 4:48 PM EDTSpecial Weather StatementFFCPeach27 min
Jul 27, 5:41 PM EDTSpecial Weather StatementFFCBartow, Polk34 min
Jul 27, 6:08 PM EDTSpecial Weather StatementFFCHall37 min
Jul 27, 6:39 PM EDTSpecial Weather StatementFFCBanks36 min
Jul 27, 6:54 PM EDTSevere Thunderstorm WarningFFCBanks, Hall, Jackson36 min
Jul 27, 7:19 PM EDTSpecial Weather StatementFFCMadison26 min

Nearby

Special Weather Statements in Georgia, 2020Every 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.