Alert archive / Georgia / Wind Advisories in 2009

Wind Advisory 9, NWS Atlanta, GA

March 2, 200915 counties in Georgia

NWS Atlanta, GA issued this wind advisory at Mar 2, 2009, 3:46 AM EST for 15 counties in Georgia. It took effect at Mar 2, 2009, 6:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Mar 2, 2009, 3:46 AM EST (08:46 UTC)
In effect from
Mar 2, 2009, 6:00 AM EST
Expired
Mar 2, 2009, 4:00 PM EST
In force
10 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, Gordon 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), 139 km from the middle of the area, began a volume at 08:51 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, 8.8 hours before the alert went out and 148 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 00:00Z on 2009-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2009-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 418 square meters per square second.19395878Sfc1 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
911 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
418 m²/s²
0-3 km storm-relative helicity
458 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 020846
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
346 AM EST MON MAR 2 2009

GAZ001>009-011>016-021700-
/O.NEW.KFFC.WI.Y.0009.090302T1100Z-090302T2100Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND
346 AM EST MON MAR 2 2009

...WIND ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON FOR
THE AREA FROM CHATTOOGA COUNTY TO DAWSON COUNTY TO WHITE COUNTY
AND NORTH.

A STRONG PRESSURE GRADIENT CONTINUES OVER THE AREA OF FAR NORTH GEORGIA.
THIS WILL CAUSE GUSTY NORTH TO NORTHWEST WINDS OF 15 TO 30 MPH TODAY.
THE WINDS WILL BEGIN TO DIMINISH THIS AFTERNOON.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

$$
BDL
2 follow-up statements
000 
WWUS72 KFFC 021537
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1037 AM EST MON MAR 2 2009

GAZ001>009-011>016-022100-
/O.CON.KFFC.WI.Y.0009.000000T0000Z-090302T2100Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND
1037 AM EST MON MAR 2 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON FOR PORTIONS OF NORTH GEORGIA...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
FOR THE AREA FROM CHATTOOGA COUNTY TO DAWSON COUNTY TO WHITE
COUNTY AND NORTH. 

A STRONG PRESSURE GRADIENT CONTINUES OVER THE AREA OF FAR NORTH
GEORGIA. THIS WILL CAUSE GUSTY NORTH TO NORTHWEST WINDS OF 15 TO
30 MPH TODAY. THE WINDS WILL BEGIN TO DIMINISH THIS AFTERNOON.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 TO 35 MPH OR
WIND GUSTS OF AT LEAST 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

$$
000 
WWUS72 KFFC 022059
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
359 PM EST MON MAR 2 2009

GAZ001>009-011>016-022200-
/O.EXP.KFFC.WI.Y.0009.000000T0000Z-090302T2100Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND
359 PM EST MON MAR 2 2009

...WIND ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON FOR 
PORTIONS OF NORTH GEORGIA...

THE WIND ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON.

THE GRADIENT ACROSS NORTH GEORGIA HAS WEAKENED AND THE WINDS HAVE
DIMINISHED BELOW ADVISORY CRITERIA.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:57 AM ESTAreal Flood WarningFFCCoweta, Fayette, Spalding6 hr
Mar 2, 12:18 PM ESTAreal Flood WarningFFCCoweta, Spalding18 hr
Mar 2, 12:25 PM ESTAreal Flood WarningFFCTaliaferro, Warren, Wilkes9 hr

Nearby

Wind Advisories in Georgia, 2009Every wind advisory in 2009

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.