Alert archive / Georgia / Special Weather Statements in 2018
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at May 29, 2018, 7:48 PM EDT for Chattooga County, Dade County, Walker County, Georgia. It was in force for 27 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
- May 29, 2018, 7:48 PM EDT (23:48 UTC)
- Expired
- May 29, 2018, 8:15 PM EDT
- In force
- 27 min
- Issued by
- NWS Atlanta, GA
Counties Chattooga County, GA, Dade County, GA, Walker County, GA
The radar
The Northeast Alabama radar (KHTX), 74 km from the middle of the area, began a volume at 23:51 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, 11.8 hours before the alert went out and 160 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.
- Mixed-layer CAPE
- 347 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 475 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.0
The text
As transmitted.
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</html>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 May 29, 7:33 PM EDT, 15 minutes earlier.
Area forecast discussion, May 29, 7:33 PM EDT, 15 minutes before
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</html>Hazardous weather outlook, May 29, 3:28 PM EDT, 4 hours 20 minutes before
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</html>In the hours before
Special weather statement, May 29, 2:55 PM EDT, 4 hours 53 minutes before
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</html>Special weather statement, May 29, 3:24 PM EDT, 4 hours 24 minutes before
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</html>Special weather statement, May 29, 3:36 PM EDT, 4 hours 12 minutes before
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</html>Special weather statement, May 29, 7:48 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
748 PM EDT TUE MAY 29 2018
GAZ001-002-011-300015-
Chattooga GA-Walker GA-Dade GA-
748 PM EDT TUE MAY 29 2018
...SIGNIFICANT WEATHER ADVISORY FOR CHATTOOGA...WALKER AND DADE
COUNTIES UNTIL 815 PM EDT...
At 748 PM EDT...a strong thunderstorm was near Center Post, or 10
miles southwest of Lafayette...moving north at 25 mph.
HAZARD...Frequent cloud to ground lightning and heavy rain.
IMPACT...Lightning is one of nature's leading killers. If you can
hear thunder...you are close enough to be struck by
lightning. Heavy rain may cause temporary street flooding
especially in poor drainage areas.
Some locations in the path of this storm include
Lafayette, Summerville, Trenton, Fort Oglethorpe, Chickamauga, Trion,
Lookout Mountain, Lyerly, Menlo, Center Post, Fairview, Linwood,
Cloudland, Chattanooga Valley, Cloudland Canyon State Park, Hooker,
Cooper Heights, James H. Floyd State Park, Holland and Rising Fawn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. Electrical
appliances should not be used unless in an emergency. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
LAT...LON 3498 8526 3439 8528 3437 8534 3429 8538
3430 8547 3498 8560
TIME...MOT...LOC 2348Z 184DEG 22KT 3464 8545The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 9:08 PM EDT | Special Weather Statement | FFC | Oglethorpe | 37 min |
| May 28, 9:26 PM EDT | Special Weather Statement | FFC | Wilkes | 34 min |
| May 28, 9:29 PM EDT | Special Weather Statement | FFC | Banks, Jackson, Madison | 31 min |
| May 28, 9:34 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Hall, Jackson | 41 min |
| May 29, 2:55 PM EDT | Special Weather Statement | FFC | Chattahoochee, Stewart | 35 min |
| May 29, 3:24 PM EDT | Special Weather Statement | FFC | Toombs | 36 min |
| May 29, 3:36 PM EDT | Special Weather Statement | FFC | Chattahoochee, Muscogee, Stewart | 24 min |
Nearby
Special Weather Statements in Georgia, 2018Every 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.