Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Atlanta, GA

June 15, 2018Jefferson County, Georgia

NWS Atlanta, GA issued this special weather statement at Jun 15, 2018, 8:37 PM EDT for Jefferson County, Georgia. It was in force for 38 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: Jun 15, 2018, 8:37 PM EDT (00:37 UTC)
Expired: Jun 15, 2018, 9:15 PM EDT
In force: 38 min
Issued by: NWS Atlanta, GA
Wind: 50

County Jefferson County, GA

The radar

The Robins AFB radar (KJGX), 113 km from the middle of the area, began a volume at 00:38 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

Charleston AFB, SC (KCHS), launched 00:00Z, 0.6 hours before the alert went out and 222 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: 2291 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 761 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: -11 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 Jun 15, 8:00 PM EDT, 37 minutes earlier.

Area forecast discussion, Jun 15, 8:00 PM EDT, 37 minutes before

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Hazardous weather outlook, Jun 15, 4:05 AM EDT, 16 hours 32 minutes before

Hazardous Weather Outlook
National Weather Service Peachtree City GA
405 AM EDT Fri Jun 15 2018

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-161200-
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-
405 AM EDT Fri Jun 15 2018

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

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

Scattered thunderstorms can be expected this afternoon into this
evening. Better coverage is expected to be south of Interstate 20.
Some storms could be strong and an isolated severe storm cannot be
ruled out. The main threats will be isolated flooding from
locally heavy rainfall, strong damaging winds and frequent
lightning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday...

There is a chance of thunderstorms each day, mainly during the
afternoon and evening hours. A few storms could be strong to severe
each day with strong, gusty winds, frequent lightning and isolated
flooding from heavy rain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight, but spotters
are encouraged to submit reports of any severe weather and flooding
through the web by going to weather.gov/atlanta

In the hours before

Special weather statement, Jun 15, 6:52 PM EDT, 1 hour 45 minutes before

Special Weather Statement
National Weather Service Peachtree City GA
652 PM EDT FRI JUN 15 2018

GAZ035-152315-
Barrow GA-
652 PM EDT FRI JUN 15 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BARROW COUNTY UNTIL
715 PM EDT...

At 652 PM EDT...a strong thunderstorm was over Statham, or 7 miles
east of Winder...moving northwest 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
Statham.

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 3404 8357 3403 8357 3402 8356 3397 8354
      3392 8362 3398 8369 3404 8361
TIME...MOT...LOC 2252Z 134DEG 10KT 3398 8359

HAIL...0.25IN
WIND...40MPH

Special weather statement, Jun 15, 7:00 PM EDT, 1 hour 37 minutes before

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Special weather statement, Jun 15, 7:53 PM EDT, 44 minutes before

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Special weather statement, Jun 15, 7:57 PM EDT, 40 minutes before

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Special weather statement, Jun 15, 8:16 PM EDT, 21 minutes before

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Special weather statement, Jun 15, 8:37 PM EDT, 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
Jun 15, 8:16 PM EDT	Special Weather Statement	FFC	Fulton	29 min
Jun 15, 8:42 PM EDT	Special Weather Statement	FFC	Greene	33 min
Jun 15, 8:50 PM EDT	Special Weather Statement	FFC	Warren	25 min
Jun 16, 12:34 PM EDT	Special Weather Statement	FFC	Dawson	26 min
Jun 16, 1:03 PM EDT	Special Weather Statement	FFC	Dawson, Lumpkin, Pickens	42 min
Jun 16, 1:16 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin	29 min
Jun 16, 1:39 PM EDT	Special Weather Statement	FFC	Cherokee	36 min
Jun 16, 2:13 PM EDT	Special Weather Statement	FFC	Cherokee	32 min
Jun 16, 3:42 PM EDT	Special Weather Statement	FFC	Wilkes	33 min
Jun 16, 4:13 PM EDT	Special Weather Statement	FFC	Taliaferro	32 min
Jun 16, 4:33 PM EDT	Special Weather Statement	FFC	Bartow	27 min
Jun 16, 4:54 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Paulding	31 min
Jun 16, 5:17 PM EDT	Special Weather Statement	FFC	Paulding	28 min
Jun 16, 5:27 PM EDT	Special Weather Statement	FFC	Morgan	33 min
Jun 16, 5:41 PM EDT	Special Weather Statement	FFC	Paulding	34 min
Jun 16, 5:44 PM EDT	Special Weather Statement	FFC	Banks	31 min
Jun 16, 5:54 PM EDT	Special Weather Statement	FFC	Cobb	36 min
Jun 16, 6:05 PM EDT	Special Weather Statement	FFC	Hancock, Morgan	25 min
Jun 16, 6:07 PM EDT	Special Weather Statement	FFC	Emanuel, Jefferson	23 min
Jun 16, 6:12 PM EDT	Special Weather Statement	FFC	Polk	33 min
Jun 16, 6:18 PM EDT	Special Weather Statement	FFC	Banks	27 min
Jun 16, 6:24 PM EDT	Special Weather Statement	FFC	Cobb	36 min
Jun 16, 6:27 PM EDT	Special Weather Statement	FFC	Emanuel, Jefferson, Johnson	33 min
Jun 16, 6:28 PM EDT	Special Weather Statement	FFC	Hancock	32 min
Jun 16, 6:41 PM EDT	Special Weather Statement	FFC	Banks, Hall	34 min
Jun 16, 6:43 PM EDT	Special Weather Statement	FFC	Polk	32 min
Jun 16, 6:57 PM EDT	Special Weather Statement	FFC	Glascock, Jefferson, Johnson, Washington	33 min
Jun 16, 7:14 PM EDT	Special Weather Statement	FFC	Barrow	31 min
Jun 16, 7:27 PM EDT	Special Weather Statement	FFC	Glascock, Johnson, Washington	33 min
Jun 16, 7:44 PM EDT	Special Weather Statement	FFC	Forsyth	31 min
Jun 16, 7:52 PM EDT	Special Weather Statement	FFC	Newton, Rockdale	38 min
Jun 16, 7:57 PM EDT	Special Weather Statement	FFC	Hancock, Johnson, Taliaferro, Washington	33 min

Nearby

Special Weather Statements in Georgia, 2018 Every special weather statement in 2018

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.