Alert archive / Georgia / Special Weather Statements in 2017
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at May 18, 2017, 3:14 PM EDT for Hall County, Georgia. It was in force for 31 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 18, 2017, 3:14 PM EDT (19:14 UTC)
- Expired
- May 18, 2017, 3:45 PM EDT
- In force
- 31 min
- Issued by
- NWS Atlanta, GA
County Hall County, GA
The radar
The Atlanta radar (KFFC), 117 km from the middle of the area, began a volume at 19:17 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, 7.2 hours before the alert went out and 113 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
- 114 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1009 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 109 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 May 18, 7:43 AM EDT, 7 hours 31 minutes earlier.
Area forecast discussion, May 18, 7:43 AM EDT, 7 hours 31 minutes before
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</html>Hazardous weather outlook, May 18, 7:03 AM EDT, 8 hours 11 minutes before
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</html>In the hours before
Special weather statement, May 18, 3:14 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
314 PM EDT THU MAY 18 2017
GAZ023-181945-
Hall GA-
314 PM EDT THU MAY 18 2017
...SIGNIFICANT WEATHER ADVISORY FOR HALL COUNTY UNTIL 345 PM EDT...
At 314 PM EDT...a strong thunderstorm was over Oakwood, or 7 miles
southwest of Gainesville...moving northeast 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 this storm include
Gainesville, Braselton, Flowery Branch, Oakwood, Candler, Aqualand
Park, Chestnut Mountain and Road Atlanta-Lanier Speedway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.
LAT...LON 3443 8378 3429 8364 3415 8378 3412 8382
3410 8388 3412 8394 3419 8399 3422 8396
3423 8397 3424 8395 3427 8395 3428 8393
3430 8393 3430 8394 3431 8395
TIME...MOT...LOC 1914Z 235DEG 7KT 3421 8390The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 3:21 PM EDT | Severe Thunderstorm Warning | FFC | Hall | 28 min |
| May 18, 4:39 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Madison | 32 min |
| May 18, 5:58 PM EDT | Special Weather Statement | FFC | Forsyth | 32 min |
| May 18, 6:10 PM EDT | Special Weather Statement | FFC | Cherokee | 35 min |
Nearby
Special Weather Statements in Georgia, 2017Every special weather statement in 2017
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.