Alert archive / Georgia / Wind Advisories in 2011
Wind Advisory 26, NWS Atlanta, GA
NWS Atlanta, GA issued this wind advisory at Nov 27, 2011, 10:00 AM EST for 55 counties in Georgia. It took effect at Nov 27, 2011, 1:00 PM EST. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Nov 27, 2011, 10:00 AM EST (15:00 UTC)
- In effect from
- Nov 27, 2011, 1:00 PM EST
- Expired
- Nov 27, 2011, 4:27 PM EST
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
All 55 counties
Bartow County, GA, Butts County, GA, Carroll County, GA, Catoosa County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Lamar County, GA, Lumpkin County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Murray County, GA, Muscogee County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Rockdale County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Towns County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walker County, GA, Webster County, GA, White County, GA, Whitfield County, GA
The radar
The Atlanta radar (KFFC), 31 km from the middle of the area, began a volume at 15:01 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, 3.0 hours before the alert went out and 30 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
- 832 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 334 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
815 WWUS72 KFFC 271500 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1000 AM EST SUN NOV 27 2011 GAZ001>007-011>013-019>021-030>032-041>043-280000- /O.NEW.KFFC.WI.Y.0026.111127T1800Z-111128T0000Z/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-CHATTOOGA- GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK-PAULDING-COBB-HARALSON- CARROLL-DOUGLAS- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE... MARIETTA...CARROLLTON...DOUGLASVILLE 1000 AM EST SUN NOV 27 2011 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EST THIS EVENING. * LOCATIONS...PORTIONS OF NORTHWEST AND WEST GEORGIA. * WINDS...SOUTHEAST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * TIMING...THIS AFTERNOON INTO THE EARLY EVENING HOURS. * IMPACTS...LIGHTWEIGHT LOOSE OBJECTS MAY BE BLOWN ABOUT IF NOT PROPERTY SECURED. SMALL OR WEAK TREES AND SOME TREE LIMBS MAY BE BLOWN DOWN. 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. && $$
2 follow-up statements
579 WWUS72 KFFC 271652 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1152 AM EST SUN NOV 27 2011 GAZ008-009-014>016-022-023-033-034-044>046-052>058-066>071- 078>081-089>093-102>104-280000- /O.EXA.KFFC.WI.Y.0026.111127T1800Z-111128T0000Z/ UNION-TOWNS-DAWSON-LUMPKIN-WHITE-FORSYTH-HALL-NORTH FULTON- GWINNETT-SOUTH FULTON-DEKALB-ROCKDALE-HEARD-COWETA-FAYETTE- CLAYTON-SPALDING-HENRY-BUTTS-TROUP-MERIWETHER-PIKE-UPSON-LAMAR- MONROE-HARRIS-TALBOT-TAYLOR-CRAWFORD-MUSCOGEE-CHATTAHOOCHEE- MARION-SCHLEY-MACON-STEWART-WEBSTER-SUMTER- INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND...GAINESVILLE... ATLANTA...LAWRENCEVILLE...EAST POINT...DECATUR...CONYERS... NEWNAN...PEACHTREE CITY...GRIFFIN...COLUMBUS...LUMPKIN...AMERICUS 1152 AM EST SUN NOV 27 2011 ...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM EST THIS EVENING. * LOCATIONS...PORTIONS OF NORTHWEST AND WEST GEORGIA. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. * TIMING...THIS AFTERNOON INTO THE EARLY EVENING HOURS. * IMPACTS...LIGHTWEIGHT LOOSE OBJECTS MAY BE BLOWN ABOUT IF NOT PROPERTY SECURED. SMALL OR WEAK TREES AND SOME TREE LIMBS MAY BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF AT LEAST 20 MPH...OR GUSTS TO 35 MPH OR STRONGER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ GAZ001>007-011>013-019>021-030>032-041>043-280000- /O.CON.KFFC.WI.Y.0026.111127T1800Z-111128T0000Z/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-CHATTOOGA- GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK-PAULDING-COBB-HARALSON- CARROLL-DOUGLAS- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE... MARIETTA...CARROLLTON...DOUGLASVILLE 1152 AM EST SUN NOV 27 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * LOCATIONS...PORTIONS OF NORTHWEST AND WEST GEORGIA. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. * TIMING...THIS AFTERNOON INTO THE EARLY EVENING HOURS. * IMPACTS...LIGHTWEIGHT LOOSE OBJECTS MAY BE BLOWN ABOUT IF NOT PROPERTY SECURED. SMALL OR WEAK TREES AND SOME TREE LIMBS MAY BE BLOWN DOWN. 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. && $$
574 WWUS72 KFFC 272127 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 427 PM EST SUN NOV 27 2011 ...WIND ADVISORY CANCELLED... .THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER THE ATLANTIC AND LOW PRESSURE OVER ALABAMA HAS RELAXED ENOUGH TO LOWER THE SURFACE WIND SPEEDS TO UNDER ADVISORY CRITERIA. GAZ001>009-011>016-019>023-030>034-041>046-052>058-066>071- 078>081-089>093-102>104-272230- /O.CAN.KFFC.WI.Y.0026.000000T0000Z-111128T0000Z/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW- CHEROKEE-FORSYTH-HALL-POLK-PAULDING-COBB-NORTH FULTON-GWINNETT- HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-HEARD- COWETA-FAYETTE-CLAYTON-SPALDING-HENRY-BUTTS-TROUP-MERIWETHER-PIKE- UPSON-LAMAR-MONROE-HARRIS-TALBOT-TAYLOR-CRAWFORD-MUSCOGEE- CHATTAHOOCHEE-MARION-SCHLEY-MACON-STEWART-WEBSTER-SUMTER- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA... LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT... DECATUR...CONYERS...NEWNAN...PEACHTREE CITY...GRIFFIN... COLUMBUS...LUMPKIN...AMERICUS 427 PM EST SUN NOV 27 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE WIND ADVISORY FOR NORTHWEST AND WEST CENTRAL GEORGIA. THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER THE ATLANTIC AND LOW PRESSURE OVER ALABAMA HAS RELAXED ENOUGH TO LOWER THE SURFACE WIND SPEEDS TO UNDER ADVISORY CRITERIA. AT 400 PM EST...THE GENERAL WIND FLOW WAS FROM THE SOUTHEAST AT 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. THE WIND WILL CONTINUE TO DECREASE DURING THE NEXT FEW HOURS AS A COLD FRONT SLOWLY APPROACHES WEST GEORGIA THIS EVENING. $$ 16
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 8:30 AM EST | Flood Watch | FFC | Bartow, Catoosa, Chattooga, Cherokee, Dade, Dawson and 12 more | 32 hr |
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.