Alert archive / Georgia / High Wind Warnings in 2007

High Wind Warning 1, NWS Atlanta, GA

April 15, 20077 counties in Georgia

NWS Atlanta, GA issued this high wind warning at Apr 15, 2007, 9:55 AM EDT for 7 counties in Georgia. It took effect at Apr 15, 2007, 10:00 AM EDT. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 15, 2007, 9:55 AM EDT (13:55 UTC)
In effect from
Apr 15, 2007, 10:00 AM EDT
Expired
Apr 15, 2007, 8:00 PM EDT
In force
10 hr
Issued by
NWS Atlanta, GA

Counties Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Towns County, GA, Union County, GA, White County, GA

The radar

The Atlanta radar (KFFC), 157 km from the middle of the area, began a volume at 13:53 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, 1.9 hours before the alert went out and 154 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2007-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2007-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
104 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS72 KFFC 151355
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
955 AM EDT SUN APR 15 2007

GAZ006>009-014>016-152200-
/O.UPG.KFFC.WI.Y.0011.070415T1400Z-070416T0000Z/
/O.NEW.KFFC.HW.W.0001.070415T1400Z-070416T0000Z/
FANNIN-GILMER-UNION-TOWNS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
955 AM EDT SUN APR 15 2007

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A HIGH
WIND WARNING UNTIL 8 PM EDT THIS EVENING. THE WIND ADVISORY IS NO
LONGER IN EFFECT. THE HIGH WIND WARNING IS IN EFFECT MAINLY FOR
ELEVATIONS ABOVE 2000 FT IN FANNIN...TOWNS...UNION...WHITE... 
DAWSON...AND GILMER COUNTIES.

WINDS WILL INCREASE THIS MORNING TO 20 TO 30 MPH WITH GUSTS TO
NEAR 40 MPH...AND WILL CONTINUE THROUGHOUT THE AFTERNOON. IN THE
HIGHER ELEVATIONS...MAINLY ABOVE 2000 FT...WIND GUSTS COULD REACH
50 MPH. THESE WINDS WILL BE STRONG ENOUGH TO DOWN SOME TREES.

MOTORISTS DRIVING ALONG NORTH TO SOUTH ORIENTED ROADWAYS USING
HIGH PROFILE VEHICLES SHOULD EXERCISE EXTRA CAUTION. SECURE LOOSE
OUTDOOR ITEMS SUCH AS LAWN FURNITURE...TRAMPOLINES...AND IF
POSSIBLE AWNINGS.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 35 MPH OR GUSTS OF
45 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

GAZ001>005-011>013-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-152200-
/O.CON.KFFC.WI.Y.0011.070415T1400Z-070416T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-CHATTOOGA-GORDON-PICKENS-
FLOYD-BARTOW-CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-
PAULDING-COBB-NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-
OGLETHORPE-WILKES-HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-
ROCKDALE-WALTON-NEWTON-MORGAN-GREENE-TALIAFERRO-HEARD-COWETA-
FAYETTE-CLAYTON-SPALDING-HENRY-BUTTS-JASPER-PUTNAM-HANCOCK-WARREN-
TROUP-MERIWETHER-PIKE-UPSON-LAMAR-MONROE-JONES-BALDWIN-WASHINGTON-
GLASCOCK-JEFFERSON-HARRIS-TALBOT-TAYLOR-CRAWFORD-BIBB-TWIGGS-
WILKINSON-JOHNSON-EMANUEL-MUSCOGEE-CHATTAHOOCHEE-MARION-SCHLEY-
MACON-PEACH-HOUSTON-BLECKLEY-LAURENS-TREUTLEN-STEWART-WEBSTER-
SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE-TELFAIR-WHEELER-
MONTGOMERY-TOOMBS-
INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE...
GAINESVILLE...MARIETTA...ATLANTA...LAWRENCEVILLE...ATHENS...
CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR...CONYERS...
COVINGTON...NEWNAN...PEACHTREE CITY...GRIFFIN...MILLEDGEVILLE...
MACON...SWAINSBORO...COLUMBUS...WARNER ROBINS...DUBLIN...
LUMPKIN...AMERICUS...CORDELE...VIDALIA
955 AM EDT SUN APR 15 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR
MUCH OF NORTH GEORGIA AND ALL OF CENTRAL GEORGIA. THE ADVISORY IS 
GENERALLY ALONG AND SOUTH OF A LINE FROM TRENTON...TO CHATSWORTH...
TO CUMMING...TO GAINESVILLE.

STRONG WEST TO NORTHWEST WINDS OF 20 TO 30 MPH ARE EXPECTED TO
DEVELOP LATE THIS MORNING AND CONTINUE THROUGHOUT THE AFTERNOON.
SOME GUSTS COULD REACH NEAR 40 MPH.

MOTORISTS DRIVING ALONG NORTH TO SOUTH ORIENTED ROADWAYS USING
HIGH PROFILE VEHICLES SHOULD EXERCISE EXTRA CAUTION. SECURE LOOSE
OUTDOOR ITEMS SUCH AS LAWN FURNITURE OR TRAMPOLINES.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED.

$$
1 follow-up statement
000 
WWUS72 KFFC 151954
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
354 PM EDT SUN APR 15 2007

GAZ006>009-014>016-160400-
/O.EXB.KFFC.WI.Y.0011.070416T0000Z-070417T0000Z/
/O.CON.KFFC.HW.W.0001.000000T0000Z-070416T0000Z/
FANNIN-GILMER-UNION-TOWNS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...DAHLONEGA...CLEVELAND
354 PM EDT SUN APR 15 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT
MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FOR AREAS GENERALLY ALONG
AND NORTH OF A LINE FROM ELLIJAY...TO DAWSONVILLE...TO DAHLONEGA...
TO CLEVELAND THROUGH 8 PM EDT. IN ADDITION...THE NATIONAL WEATHER
SERVICE IN PEACHTREE CITY HAS NOW ISSUED A WIND ADVISORY...WHICH
IS IN EFFECT FROM 8 PM THIS EVENING UNTIL 8 PM EDT MONDAY EVENING.

AN INTENSE LOW PRESSURE SYSTEM DEEPENING ALONG THE MID-ATLANTIC
COAST WILL GENERATE STRONG WEST TO NORTHWEST WINDS OF 25 TO 35 MPH
THROUGH THE EVENING HOURS...WITH GUSTS OF 40 TO 45 MPH POSSIBLE
THROUGH THE EVENING. WINDS WILL DIMINISH AFTER 8 PM EDT...BUT ARE
EXPECTED TO REMAIN 15 TO 25 MPH WITH GUSTS TO 30 MPH THROUGHOUT
THE NIGHT. THE STRONGEST WINDS WILL BE FOUND AT THE HIGHER
ELEVATIONS IN THE NORTH GEORGIA MOUNTAINS.

MOTORISTS DRIVING...PARTICULARLY ALONG NORTH TO SOUTH ORIENTED
ROADS...AND ESPECIALLY THOSE USING HIGH PROFILE VEHICLES...SHOULD
EXERCISE EXTRA CAUTION. IN ADDITION...SECURE LOOSE OUTDOOR ITEMS
SUCH AS LAWN FURNITURE OR TRAMPOLINES.

A HIGH WIND WARNING MEANS THAT SUSTAINED WINDS OF 35 MPH OR
GREATER OR GUSTS TO 45 MPH OR GREATER ARE POSSIBLE. A WIND
ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR WIND GUSTS
OF AT LEAST 35 MPH ARE EXPECTED.

$$

GAZ001>005-011>013-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-160400-
/O.NEW.KFFC.WI.Y.0012.070416T1300Z-070417T0000Z/
/O.EXT.KFFC.WI.Y.0011.000000T0000Z-070416T0400Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-CHATTOOGA-GORDON-PICKENS-
FLOYD-BARTOW-CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-
PAULDING-COBB-NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-
OGLETHORPE-WILKES-HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-
ROCKDALE-WALTON-NEWTON-MORGAN-GREENE-TALIAFERRO-HEARD-COWETA-
FAYETTE-CLAYTON-SPALDING-HENRY-BUTTS-JASPER-PUTNAM-HANCOCK-WARREN-
TROUP-MERIWETHER-PIKE-UPSON-LAMAR-MONROE-JONES-BALDWIN-WASHINGTON-
GLASCOCK-JEFFERSON-HARRIS-TALBOT-TAYLOR-CRAWFORD-BIBB-TWIGGS-
WILKINSON-JOHNSON-EMANUEL-MUSCOGEE-CHATTAHOOCHEE-MARION-SCHLEY-
MACON-PEACH-HOUSTON-BLECKLEY-LAURENS-TREUTLEN-STEWART-WEBSTER-
SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE-TELFAIR-WHEELER-
MONTGOMERY-TOOMBS-
INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE...
GAINESVILLE...MARIETTA...ATLANTA...LAWRENCEVILLE...ATHENS...
CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR...CONYERS...
COVINGTON...NEWNAN...PEACHTREE CITY...GRIFFIN...MILLEDGEVILLE...
MACON...SWAINSBORO...COLUMBUS...WARNER ROBINS...DUBLIN...
LUMPKIN...AMERICUS...CORDELE...VIDALIA
354 PM EDT SUN APR 15 2007

...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...WIND ADVISORY IN EFFECT FROM 9 AM TO 8 PM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS EXTENDED THE
WIND ADVISORY FOR THIS EVENING UNTIL MIDNIGHT. IN ADDITION...A
WIND ADVISORY IS NOW ALSO IN EFFECT FOR MONDAY FROM 9 AM TO 8 PM
EDT.

AN INTENSE LOW PRESSURE SYSTEM DEEPENING ALONG THE MID-ATLANTIC
COAST WILL RESULT IN A CONTINUATION OF STRONG WEST TO NORTHWEST
WINDS OF 20 TO 30 MPH THROUGH THE EVENING HOURS. SOME GUSTS COULD
REACH NEAR 40 MPH....ESPECIALLY NORTH OF A LA GRANGE...TO
MONTICELLO...TO WASHINGTON LINE. NORTHWEST WINDS OF 20 TO 30
MPH...WITH GUSTS UP TO 35 MPH ARE EXPECTED TO REDEVELOP QUICKLY
AFTER SUNRISE MONDAY.

MOTORISTS USING HIGH PROFILE VEHICLES...PARTICULARLY THOSE ALONG NORTH
TO SOUTH ORIENTED ROADWAYS...SHOULD EXERCISE EXTRA CAUTION. SECURE
LOOSE OUTDOOR ITEMS SUCH AS LAWN FURNITURE OR TRAMPOLINES.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED.

$$

19

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 14, 8:22 PM EDTTornado WarningFFCChattahoochee, Stewart53 min
Apr 14, 9:10 PM EDTSevere Thunderstorm WarningFFCMarion25 min
Apr 14, 10:46 PM EDTSevere Thunderstorm WarningFFCSumter29 min
Apr 14, 10:57 PM EDTSevere Thunderstorm WarningFFCDooly27 min
Apr 15, 1:10 AM EDTSevere Thunderstorm WarningFFCDodge35 min
Apr 15, 1:22 AM EDTTornado WarningFFCDodge23 min
Apr 15, 1:31 AM EDTSevere Thunderstorm WarningFFCLaurens44 min
Apr 15, 1:41 AM EDTTornado WarningFFCLaurens34 min
Apr 15, 1:43 AM EDTTornado WarningFFCTelfair, Wheeler32 min
Apr 15, 1:50 AM EDTTornado WarningFFCTreutlen25 min
Apr 15, 1:58 AM EDTTornado WarningFFCMontgomery32 min
Apr 15, 2:00 AM EDTTornado WarningFFCJohnson35 min
Apr 15, 2:04 AM EDTTornado WarningFFCEmanuel41 min
Apr 15, 2:17 AM EDTTornado WarningFFCTreutlen28 min
Apr 15, 2:40 AM EDTTornado WarningFFCEmanuel35 min
Apr 15, 3:16 AM EDTSevere Thunderstorm WarningFFCCrisp29 min
Apr 15, 3:23 AM EDTTornado WarningFFCCrisp37 min
Apr 15, 3:33 AM EDTTornado WarningFFCWilcox42 min
Apr 15, 3:38 AM EDTTornado WarningFFCBleckley25 min
Apr 15, 3:51 AM EDTSevere Thunderstorm WarningFFCDodge39 min
Apr 15, 4:25 AM EDTSevere Thunderstorm WarningFFCDodge, Laurens50 min
Apr 15, 3:54 PM EDTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 83 more28 hr

Nearby

High Wind Warnings in Georgia, 2007Every high wind warning in 2007

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.