Alert archive / Georgia / Wind Advisories in 2010
Wind Advisory 7, NWS Atlanta, GA
NWS Atlanta, GA issued this wind advisory at Mar 12, 2010, 4:08 AM EST for 8 counties in Georgia. It took effect at Mar 12, 2010, 10:00 AM EST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 12, 2010, 4:08 AM EST (09:08 UTC)
- In effect from
- Mar 12, 2010, 10:00 AM EST
- Expired
- Mar 12, 2010, 4:08 PM EST
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
Counties Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Pickens County, GA, Towns County, GA, Union County, GA, White County, GA
The radar
The Atlanta radar (KFFC), 152 km from the middle of the area, began a volume at 09:13 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 00:00Z, 9.1 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
- 249 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
731 WWUS72 KFFC 120908 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 408 AM EST FRI MAR 12 2010 GAZ006>009-013>016-121715- /O.NEW.KFFC.WI.Y.0007.100312T1500Z-100312T2200Z/ /O.CON.KFFC.FG.Y.0001.000000T0000Z-100312T1600Z/ FANNIN-GILMER-UNION-TOWNS-PICKENS-DAWSON-LUMPKIN-WHITE- INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND 408 AM EST FRI MAR 12 2010 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 5 PM EST THIS AFTERNOON. THE WIND ADVISORY IS IN EFFECT NORTH AND EAST OF A LINE FROM BLUE RIDGE TO DAWSONVILLE TO CLEVELAND. A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING. THE DENSE FOG ADVISORY IS NORTH AND EAST OF A LINE FROM CHATSWORTH...TO FAYETTEVILLE...TO WASHINGTON. A STRONG STORM SYSTEM WILL MOVE INTO THE STATE TODAY. AHEAD OF THIS SYSTEM...A WEDGE OF COOL AIR REMAINS IN PLACE ACROSS NORTH GEORGIA...WITH WIDESPREAD LOW CLOUDS AND DENSE FOG ACROSS THE AREA. THE FOGGY CONDITIONS WILL REMAIN IN PLACE THROUGH THE MORNING HOURS...WITH SLOW IMPROVEMENT AS A COLD FRONT APPROACHES FROM THE WEST LATER TODAY. AS THE COLD FRONT APPROACHES...WINDS WILL INCREASE OUT OF THE SOUTH...ESPECIALLY ACROSS THE HIGHER ELEVATIONS OF THE NORTH GEORGIA MOUNTAINS. WINDS OF 20-30 MPH WITH GUSTS UP TO 35 MPH CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. 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. && $$ GAZ005-012-020>025-027-031>039-043>051-054-055-057-121600- /O.CON.KFFC.FG.Y.0001.000000T0000Z-100312T1600Z/ MURRAY-GORDON-BARTOW-CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON- PAULDING-COBB-NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE- OGLETHORPE-WILKES-DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON- NEWTON-MORGAN-GREENE-TALIAFERRO-FAYETTE-CLAYTON-HENRY- INCLUDING THE CITIES OF...CALHOUN...CARTERSVILLE...GAINESVILLE... MARIETTA...ATLANTA...LAWRENCEVILLE...ATHENS...DOUGLASVILLE... EAST POINT...DECATUR...CONYERS...COVINGTON...PEACHTREE CITY 408 AM EST FRI MAR 12 2010 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING. THE ADVISORY IS IN EFFECT NORTH AND EAST OF A LINE FROM CHATSWORTH...TO FAYETTEVILLE...TO WASHINGTON. A WEDGE OF COOL AIR REMAINS IN PLACE ACROSS NORTH GEORGIA...WITH WIDESPREAD LOW CLOUDS AND DENSE FOG ACROSS THE AREA. THE FOGGY CONDITIONS WILL REMAIN IN PLACE THROUGH THE MORNING HOURS...WITH SLOW IMPROVEMENT AS A COLD FRONT APPROACHES FROM THE WEST LATER TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$
2 follow-up statements
750 WWUS72 KFFC 121441 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 941 AM EST FRI MAR 12 2010 GAZ006>009-013>016-122200- /O.CAN.KFFC.FG.Y.0001.000000T0000Z-100312T1600Z/ /O.CON.KFFC.WI.Y.0007.100312T1500Z-100312T2200Z/ FANNIN-GILMER-UNION-TOWNS-PICKENS-DAWSON-LUMPKIN-WHITE- INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND 941 AM EST FRI MAR 12 2010 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON FOR THE NORTHEAST GEORGIA MOUNTAINS... ...DENSE FOG ADVISORY IS CANCELLED FOR NORTH CENTRAL AND NORTHEAST GEORGIA... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE DENSE FOG ADVISORY FOR NORTH CENTRAL AND NORTHEAST GEORGIA. VISIBILITIES HAVE BEGUN TO IMPROVE WITH MOST LOCATIONS AT A MILE OR GREATER. ISOLATED AREAS MAY SEE VISIBILITIES AROUND A QUARTER OF A MILE THROUGH THE LATE MORNING...BUT WIDESPREAD DENSE FOG IS NO LONGER EXPECTED. A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON FOR THE NORTHEAST GEORGIA MOUNTAINS...GENERALLY NORTH OF A LINE FROM JASPER TO CLEVELAND. A STRONG STORM SYSTEM WILL MOVE INTO THE STATE TODAY. AS THIS STORM SYSTEM APPROACHES...WINDS WILL INCREASE OUT OF THE SOUTH...ESPECIALLY ACROSS THE HIGHER ELEVATIONS OF THE NORTHEAST GEORGIA MOUNTAINS. WINDS OF 20-30 MPH WITH GUSTS UP TO 35 MPH CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS OF AT LEAST 20 MPH...OR GUSTS TO 35 MPH OR HIGHER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ GAZ005-012-020>025-027-031>039-043>051-054-055-057-121545- /O.CAN.KFFC.FG.Y.0001.000000T0000Z-100312T1600Z/ MURRAY-GORDON-BARTOW-CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON- PAULDING-COBB-NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE- OGLETHORPE-WILKES-DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON- NEWTON-MORGAN-GREENE-TALIAFERRO-FAYETTE-CLAYTON-HENRY- INCLUDING THE CITIES OF...CALHOUN...CARTERSVILLE...GAINESVILLE... MARIETTA...ATLANTA...LAWRENCEVILLE...ATHENS...DOUGLASVILLE... EAST POINT...DECATUR...CONYERS...COVINGTON...PEACHTREE CITY 941 AM EST FRI MAR 12 2010 ...DENSE FOG ADVISORY IS CANCELLED FOR NORTH CENTRAL AND NORTHEAST GEORGIA... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE DENSE FOG ADVISORY FOR NORTH CENTRAL AND NORTHEAST GEORGIA. VISIBILITIES HAVE BEGUN TO IMPROVE WITH MOST LOCATIONS AT A MILE OR GREATER. ISOLATED AREAS MAY SEE VISIBILITIES AROUND A QUARTER OF A MILE THROUGH THE LATE MORNING...BUT WIDESPREAD DENSE FOG IS NO LONGER EXPECTED. $$
127 WWUS72 KFFC 122108 NPWFFC URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PEACHTREE CITY GA 408 PM EST FRI MAR 12 2010 GAZ006>009-013>016-122215- /O.CAN.KFFC.WI.Y.0007.000000T0000Z-100312T2200Z/ FANNIN-GILMER-UNION-TOWNS-PICKENS-DAWSON-LUMPKIN-WHITE- INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND 408 PM EST FRI MAR 12 2010 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE WIND ADVISORY THAT WAS IN EFFECT FOR THE NORTHEAST GEORGIA MOUNTAINS. SOME LOCATIONS ACROSS THE NORTHEAST MOUNTAINS MAY CONTINUE TO SEE WINDS IN THE 10 TO 20 MPH RANGE WITH AN OCCASIONAL GUST TO 25 MPH THIS AFTERNOON. HOWEVER...WINDS ARE EXPECTED TO REMAIN BELOW ADVISORY CRITERIA. $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 1:13 AM EST | Dense Fog Advisory | FFC | Banks, Barrow, Bartow, Cherokee, Clarke, Clayton and 31 more | 8 hr |
| Mar 12, 4:12 AM EST | Flood Watch | FFC | Catoosa, Dade, Dawson, Fannin, Gilmer, Gordon and 8 more | 12 hr |
| Mar 12, 11:02 AM EST | Severe Thunderstorm Warning | FFC | Catoosa, Chattooga, Dade, Walker | 58 min |
| Mar 12, 11:54 AM EST | Severe Thunderstorm Warning | FFC | Catoosa, Chattooga, Dade, Floyd, Gordon, Walker and 1 more | 66 min |
| Mar 12, 2:45 PM EST | Severe Thunderstorm Warning | FFC | Bleckley, Dooly, Houston, Pulaski, Twiggs | 45 min |
| Mar 12, 4:35 PM EST | Severe Thunderstorm Warning | FFC | Houston, Macon | 40 min |
| Mar 12, 4:54 PM EST | Areal Flood Warning | FFC | Houston | 111 min |
| Mar 12, 5:01 PM EST | Severe Thunderstorm Warning | FFC | Dooly, Pulaski | 33 min |
| Mar 12, 5:13 PM EST | Severe Thunderstorm Warning | FFC | Bleckley, Houston, Pulaski, Twiggs | 47 min |
| Mar 12, 5:18 PM EST | Tornado Warning | FFC | Bleckley, Houston, Pulaski, Twiggs | 42 min |
| Mar 12, 5:43 PM EST | Tornado Warning | FFC | Bleckley, Laurens | 37 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.