Alert archive / Georgia / Special Weather Statements in 2018
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Apr 14, 2018, 6:42 PM EDT for Dade County, Walker 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
- Apr 14, 2018, 6:42 PM EDT (22:42 UTC)
- Expired
- Apr 14, 2018, 7:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Atlanta, GA
- Wind
- 50
Counties Dade County, GA, Walker County, GA
The radar
The Northeast Alabama radar (KHTX), 76 km from the middle of the area, began a volume at 22:42 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, 10.7 hours before the alert went out and 174 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 14, 3:00 PM EDT, 3 hours 42 minutes earlier.
Area forecast discussion, Apr 14, 3:00 PM EDT, 3 hours 42 minutes before
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</html>Hazardous weather outlook, Apr 14, 3:03 PM EDT, 3 hours 39 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>In the hours before
Special weather statement, Apr 14, 6:42 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
642 PM EDT SAT APR 14 2018
GAZ001-002-004-011-142330-
Chattooga GA-Whitfield GA-Walker GA-Dade GA-
642 PM EDT SAT APR 14 2018
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CHATTOOGA...WESTERN
WHITFIELD...WALKER AND DADE COUNTIES UNTIL 730 PM EDT...
At 641 PM EDT...a line of strong thunderstorms was along a line
extending from near Henagar to near Desoto State Park to New Moon...
and moving northeast at 40 mph.
HAZARD...40 to 50 mph wind 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 these storms include
Lafayette, Summerville, Trenton, Fort Oglethorpe, Rossville,
Chickamauga, Trion, Lookout Mountain, Menlo, Center Post, Fairview,
Linwood, Villanow, Cloudland, Chattanooga Valley, Cloudland Canyon
State Park, Hooker, Cooper Heights, Rock Spring and Naomi.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. Motorists should
slow down and be prepared for possible loss of control due to
hydroplaning.
LAT...LON 3486 8526 3486 8520 3478 8520 3478 8516
3477 8515 3477 8514 3482 8513 3471 8505
3438 8548 3488 8559 3498 8551 3499 8526
TIME...MOT...LOC 2241Z 215DEG 34KT 3460 8570 3448 8561 3439 8554
WIND...50MPHNearby
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.