Alert archive / Georgia / High Wind Warnings in 2009

High Wind Warning 3, NWS Atlanta, GA

April 21, 200920 counties in Georgia

NWS Atlanta, GA issued this high wind warning at Apr 21, 2009, 7:21 PM EDT for 20 counties in Georgia. It took effect at Apr 21, 2009, 8:00 PM EDT. It was in force for 98 min. 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 21, 2009, 7:21 PM EDT (23:21 UTC)
In effect from
Apr 21, 2009, 8:00 PM EDT
Expired
Apr 21, 2009, 9:38 PM EDT
In force
98 min
Issued by
NWS Atlanta, GA

Counties Bleckley County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Emanuel County, GA, Houston County, GA, Jefferson County, GA, Johnson County, GA, Laurens County, GA, Montgomery County, GA, Pulaski County, GA, Sumter County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Washington County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 42 km from the middle of the area, began a volume at 23:20 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, 11.4 hours before the alert went out and 173 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 2009-04-21Temperature 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 12:00Z on 2009-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 square meters per square second.1939587897Sfc1 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
1861 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
164 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 212321
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
721 PM EDT TUE APR 21 2009

GAZ074-076-083>086-095>098-104>113-220300-
/O.NEW.KFFC.HW.W.0003.090422T0000Z-090422T0300Z/
WASHINGTON-JEFFERSON-TWIGGS-WILKINSON-JOHNSON-EMANUEL-HOUSTON-
BLECKLEY-LAURENS-TREUTLEN-SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE-
TELFAIR-WHEELER-MONTGOMERY-TOOMBS-
INCLUDING THE CITIES OF...SWAINSBORO...WARNER ROBINS...DUBLIN...
AMERICUS...CORDELE...VIDALIA
721 PM EDT TUE APR 21 2009

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT UNTIL 11 PM EDT THIS EVENING FOR
PARTS OF CENTRAL GEORGIA.

A BAND OF SHOWERS FROM MACON TO NEAR AMERICUS WAS PRODUCING WINDS
WINDS OF 45 TO 55 MPH. AT 610 PM THE WIND AT THE MACON AIRPORT
GUSTED TO 53 MPH. THESE WINDS ALSO PUT DOWN SEVERAL TREES ACROSS
HOUSTON COUNTY. THIS BAND OF SHOWERS WITH THE STRONG WINDS WAS
MOVING EAST AT 30 TO 35 MPH AND SHOULD MOVE OUT OF THE AREA BY 10
PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
2 follow-up statements
000 
WWUS72 KFFC 220056
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
856 PM EDT TUE APR 21 2009

GAZ074-076-083>085-095-096-104-105-107-220200-
/O.CAN.KFFC.HW.W.0003.000000T0000Z-090422T0300Z/
WASHINGTON-JEFFERSON-TWIGGS-WILKINSON-JOHNSON-HOUSTON-BLECKLEY-
SUMTER-DOOLY-PULASKI-
INCLUDING THE CITIES OF...WARNER ROBINS...AMERICUS
856 PM EDT TUE APR 21 2009

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE
HIGH WIND WARNING FOR PARTS OF CENTRAL GEORGIA. 

THE BAND OF SHOWERS THAT WAS PRODUCING THE GUSTY WINDS HAS MOVED
TO THE EAST AND HIGH WINDS NO LONGER POSE A THREAT.

$$

GAZ086-097-098-106-108>113-220300-
/O.CON.KFFC.HW.W.0003.000000T0000Z-090422T0300Z/
EMANUEL-LAURENS-TREUTLEN-CRISP-WILCOX-DODGE-TELFAIR-WHEELER-
MONTGOMERY-TOOMBS-
INCLUDING THE CITIES OF...SWAINSBORO...DUBLIN...CORDELE...VIDALIA
856 PM EDT TUE APR 21 2009

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING FOR PARTS OF CENTRAL GEORGIA. 

A BAND OF SHOWERS FROM STATESBORO...TO CORDELE WAS PRODUCING WIND
OF 25 TO 35 MPH WITH GUSTS OF 45 TO 50 MPH. THIS BAND OF SHOWERS
WITH THE STRONG WINDS WAS MOVING EAST AT 30 TO 35 MPH AND SHOULD
MOVE OUT OF THE AREA BY 10 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
000 
WWUS72 KFFC 220138
NPWFFC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
938 PM EDT TUE APR 21 2009

GAZ086-097-098-106-108>113-220245-
/O.CAN.KFFC.HW.W.0003.000000T0000Z-090422T0300Z/
EMANUEL-LAURENS-TREUTLEN-CRISP-WILCOX-DODGE-TELFAIR-WHEELER-
MONTGOMERY-TOOMBS-
INCLUDING THE CITIES OF...SWAINSBORO...DUBLIN...CORDELE...VIDALIA
938 PM EDT TUE APR 21 2009

...HIGH WIND WARNING IS CANCELLED FOR PARTS OF CENTRAL GEORGIA...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE
HIGH WIND WARNING. THE WINDS ASSOCIATED WITH THE BAND OF SHOWERS
HAVE DIMINISHED AND NO LONGER POSES A THREAT OF PRODUCE DAMAGING WINDS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 1:45 PM EDTRed Flag WarningFFCBaldwin, Bibb, Bleckley, Butts, Chattahoochee, Clarke and 54 more5 hr
Apr 21, 3:20 PM EDTFire Weather WatchFFCBaldwin, Bibb, Bleckley, Butts, Chattahoochee, Crawford and 43 more12 hr

Nearby

High Wind Warnings in Georgia, 2009Every high wind warning 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.