Alert archive / Georgia / Wind Advisories in 2014
Wind Advisory 11, NWS Atlanta, GA
NWS Atlanta, GA issued this wind advisory at Apr 30, 2014, 4:08 AM EDT for 49 counties in Georgia. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 30, 2014, 4:08 AM EDT (08:08 UTC)
- Expired
- Apr 30, 2014, 12:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Atlanta, GA
All 49 counties
Bibb County, GA, Bleckley County, GA, Butts County, GA, Carroll County, GA, Chattahoochee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Douglas County, GA, Fayette County, GA, Fulton County, GA, Gwinnett County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Muscogee County, GA, Newton County, GA, Paulding County, GA, Peach County, GA, Pike County, GA, Polk County, GA, Pulaski County, GA, Rockdale County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Telfair County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Webster County, GA, Wilcox County, GA
The radar
The Atlanta radar (KFFC), 57 km from the middle of the area, began a volume at 08:10 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
Birmingham, AL (KBMX), launched 00:00Z, 8.1 hours before the alert went out and 239 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
- 407 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 688 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
817 WWUS72 KFFC 300808 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 408 AM EDT WED APR 30 2014 GAZ030>034-041>046-048-052>059-066>072-078>083-089>096-102>110- 301600- /O.NEW.KFFC.WI.Y.0011.140430T0808Z-140430T1600Z/ POLK-PAULDING-COBB-NORTH FULTON-GWINNETT-HARALSON-CARROLL-DOUGLAS- SOUTH FULTON-DEKALB-ROCKDALE-NEWTON-HEARD-COWETA-FAYETTE-CLAYTON- SPALDING-HENRY-BUTTS-JASPER-TROUP-MERIWETHER-PIKE-UPSON-LAMAR- MONROE-JONES-HARRIS-TALBOT-TAYLOR-CRAWFORD-BIBB-TWIGGS-MUSCOGEE- CHATTAHOOCHEE-MARION-SCHLEY-MACON-PEACH-HOUSTON-BLECKLEY-STEWART- WEBSTER-SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE-TELFAIR- INCLUDING THE CITIES OF...MARIETTA...ATLANTA...LAWRENCEVILLE... CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR...CONYERS... COVINGTON...NEWNAN...PEACHTREE CITY...GRIFFIN...MACON... COLUMBUS...WARNER ROBINS...LUMPKIN...AMERICUS...CORDELE 408 AM EDT WED APR 30 2014 ...WIND ADVISORY IN EFFECT UNTIL NOON EDT TODAY... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON EDT TODAY. * LOCATIONS...MOST OF WEST CENTRAL GEORGIA TO INCLUDE COLUMBUS... LA GRANGE... CARROLLTON AND THE ATLANTA METRO AREA. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * TIMING...A TIGHTENING PRESSURE GRADIENT FROM LOW PRESSURE ACROSS ALABAMA AND HIGH PRESSURE TO THE SOUTH AND EAST FROM RAIN COOLED AIR... IS RESULTING IN STRONG WIND GUSTS ACROSS MUCH OF WEST CENTRAL GEORGIA THIS MORNING. THESE STRONG WINDS COULD PERSIST THROUGH THE MORNING HOURS TODAY. * IMPACTS...THE COMBINATION OF STRONG WIND GUSTS AND SATURATED SOIL CONDITIONS COULD DOWN NUMEROUS LARGE BROAD LEAVE TREES ACROSS THE ADVISORY AREA. BE ESPECIALLY ALERT FOR FALLEN TREES WHILE DRIVING THIS MORNING. 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 DOWN TREES AND 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 |
|---|---|---|---|---|
| Apr 30, 1:41 AM EDT | Special Weather Statement | FFC | Stewart | 49 min |
| Apr 30, 2:44 AM EDT | Special Weather Statement | FFC | Chattahoochee, Stewart | 76 min |
| Apr 30, 3:09 AM EDT | Special Weather Statement | FFC | Marion, Webster | 51 min |
| Apr 30, 3:55 AM EDT | Areal Flood Warning | FFC | Chattahoochee, Marion, Stewart, Webster | 6 hr |
| Apr 30, 4:43 AM EDT | Special Weather Statement | FFC | Crawford, Crisp, Dooly, Houston, Macon, Peach and 3 more | 77 min |
| Apr 30, 6:26 AM EDT | Special Weather Statement | FFC | Crawford, Crisp, Dooly, Houston, Macon, Peach and 5 more | 94 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.