Alert archive / Georgia / Wind Advisories in 2015
Wind Advisory 12, NWS Atlanta, GA
NWS Atlanta, GA issued this wind advisory at Dec 28, 2015, 5:43 PM EST for 14 counties in Georgia. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Dec 28, 2015, 5:43 PM EST (22:43 UTC)
- Expired
- Dec 29, 2015, 1:00 AM EST
- In force
- 7 hr
- Issued by
- NWS Atlanta, GA
Counties Catoosa County, GA, Chattooga County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 141 km from the middle of the area, began a volume at 22:45 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 150 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
- 161 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
132 WWUS72 KFFC 282243 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 543 PM EST MON DEC 28 2015 GAZ001>009-011-013>016-290600- /O.NEW.KFFC.WI.Y.0012.151228T2243Z-151229T0600Z/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-PICKENS-DAWSON-LUMPKIN-WHITE- INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND 543 PM EST MON DEC 28 2015 ...WIND ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 1 AM EST TUESDAY. * LOCATIONS...PORTIONS OF FAR NORTH GEORGIA...ESPECIALLY AT ELEVATIONS ABOVE 1500 FEET. * WINDS...SUSTAINED SOUTHERLY WINDS 25 TO 35 MPH RANGE...AND WIND GUSTS UP TO 40 MPH ARE POSSIBLE. WINDS MAY BE HIGHER IN ELEVATIONS ABOVE 1500 FEET. * TIMING...UNTIL 1 AM TUESDAY. * IMPACTS...SHALLOW ROOTED TREES MAY BE DOWNED MORE EASILY DUE TO THE VERY SATURATED SOILS. DRIVING MAY BECOME DIFFICULT...ESPECIALLY IN THE HIGHER TERRAIN. LOOSE OBJECTS MAY ALSO BE BLOWN AROUND IF NOT SECURED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF AT LEAST 20 MPH...OR GUSTS TO 35 MPH OR STRONGER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 12:51 PM EST | River Flood Warning | FFC | Montgomery, Telfair, Wheeler | 16 days |
| Dec 28, 12:51 PM EST | River Flood Warning | FFC | Forsyth, Fulton | 3 days |
| Dec 28, 12:51 PM EST | River Flood Warning | FFC | Gwinnett | 42 hr |
| Dec 28, 12:51 PM EST | River Flood Warning | FFC | DeKalb, Rockdale | 67 hr |
| Dec 28, 12:51 PM EST | River Flood Warning | FFC | Newton, Rockdale | 3 days |
| Dec 28, 12:51 PM EST | River Flood Warning | FFC | Barrow, Jackson | 53 hr |
| Dec 28, 5:40 PM EST | Special Weather Statement | FFC | Bartow, Catoosa, Chattooga, Dade, Dawson, Fannin and 11 more | 110 min |
| Dec 28, 5:57 PM EST | Special Weather Statement | FFC | Harris | 33 min |
| Dec 28, 6:44 PM EST | Special Weather Statement | FFC | Chattahoochee, Coweta, Fayette, Harris, Meriwether, Muscogee | 31 min |
Nearby
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.