Alert archive / Georgia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 179, NWS Atlanta, GA

April 14, 2009Glascock County, Warren County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 14, 2009, 2:20 PM EDT for Glascock County, Warren County, Georgia. It was in force for 40 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 14, 2009, 2:20 PM EDT (18:20 UTC)
Expired: Apr 14, 2009, 3:00 PM EDT
In force: 40 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Glascock County, GA, Warren County, GA

The radar

The Robins AFB radar (KJGX), 97 km from the middle of the area, began a volume at 18:21 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, 6.3 hours before the alert went out and 172 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 594 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 535 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 1.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 14, 2:20 PM EDT, 0 minutes earlier.

Area forecast discussion, Apr 14, 2:20 PM EDT, 0 minutes before

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Hazardous weather outlook, Apr 14, 11:29 AM EDT, 2 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1129 AM EDT TUE APR 14 2009

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-151200-
BALDWIN-BANKS-BARROW-BARTOW-BIBB-BLECKLEY-BUTTS-CARROLL-CATOOSA-
CHATTAHOOCHEE-CHATTOOGA-CHEROKEE-CLARKE-CLAYTON-COBB-COWETA-
CRAWFORD-CRISP-DADE-DAWSON-DEKALB-DODGE-DOOLY-DOUGLAS-EMANUEL-
FANNIN-FAYETTE-FLOYD-FORSYTH-GILMER-GLASCOCK-GORDON-GREENE-
GWINNETT-HALL-HANCOCK-HARALSON-HARRIS-HEARD-HENRY-HOUSTON-JACKSON-
JASPER-JEFFERSON-JOHNSON-JONES-LAMAR-LAURENS-LUMPKIN-MACON-
MADISON-MARION-MERIWETHER-MONROE-MONTGOMERY-MORGAN-MURRAY-
MUSCOGEE-NEWTON-NORTH FULTON-OCONEE-OGLETHORPE-PAULDING-PEACH-
PICKENS-PIKE-POLK-PULASKI-PUTNAM-ROCKDALE-SCHLEY-SOUTH FULTON-
SPALDING-STEWART-SUMTER-TALBOT-TALIAFERRO-TAYLOR-TELFAIR-TOOMBS-
TOWNS-TREUTLEN-TROUP-TWIGGS-UNION-UPSON-WALKER-WALTON-WARREN-
WASHINGTON-WEBSTER-WHEELER-WHITE-WHITFIELD-WILCOX-WILKES-
WILKINSON-
1129 AM EDT TUE APR 14 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT
ISOLATED THUNDERSTORMS ARE POSSIBLE TODAY. SOME OF THESE STORMS
MAY BE SEVERE.

.SYNOPSIS...
AN AREA OF LOW PRESSURE WAS LOCATED OVER THE CENTRAL OHIO VALLEY
THIS MORNING...WITH A COLD FRONT EXTENDING SOUTH INTO EASTERN
TENNESSEE AND NORTHWEST GEORGIA.

.PRIMARY HAZARDS...
THE PRIMARY HAZARDS ASSOCIATED WITH ANY THUNDERSTORM WILL BE CLOUD
TO GROUND LIGHTNING AND GUSTY WINDS. SOME LARGE HAIL MAY ALSO BE
POSSIBLE WITH THE STRONGER STORMS. THE BEST LOCATION FOR
THUNDERSTORMS IS GENERALLY SOUTH OF A LINE FROM LA GRANGE TO
ATHENS.

.DISCUSSION...
THE AFOREMENTIONED COLD FRONT WILL CONTINUE TO PUSH THROUGH THE
STATE INTO THE AFTERNOON HOURS. CAPES APPROACHING 1000...IN
ADDITION TO THE LIFT PROVIDED BY THE FRONT...WILL SUPPORT ISOLATED
SEVERE THUNDERSTORMS INTO THE AFTERNOON HOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
THERE IS A CHANCE OF THUNDERSTORMS SUNDAY INTO MONDAY.
OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT.

In the hours before

Special weather statement, Apr 14, 11:11 AM EDT, 3 hours 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1111 AM EDT TUE APR 14 2009

GAZ074-141545-
1111 AM EDT TUE APR 14 2009

...SIGNIFICANT WEATHER ALERT FOR PEA SIZED HAIL IN WASHINGTON COUNTY
UNTIL 1145 AM EDT...

AT 1108 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER SANDERSVILLE...MOVING NORTHEAST AT 35 MPH.

PEA SIZED HAIL AND WIND GUSTS OF 35 MPH ARE LIKELY AS THIS STORM
MOVES ACROSS WASHINGTON COUNTY THROUGH 1145 AM EDT. SOME LOCATIONS
IN THE PATH OF THE STORM INCLUDE
TENNILLE...SANDERSVILLE...WARTHEN...DAVISBORO AND DOWNS.

SIGNIFICANT WEATHER ALERTS ARE ISSUED WHEN WINDS UP TO 57 MPH ARE
EXPECTED...HAIL IS EXPECTED TO BE LESS THAN THE SIZE OF PENNIES...OR
SIGNIFICANT CLOUD-TO-GROUND LIGHTNING IS EXPECTED.

Local storm report, Apr 14, 11:21 AM EDT, 2 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1121 AM EDT TUE APR 14 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0910 PM     TSTM WND DMG     4 SE JACKSON            33.25N 83.91W
04/10/2009                   BUTTS              GA   EMERGENCY MNGR

            TREE FELL ON A HOME OFF OF HWY 16.

1120 PM     TSTM WND DMG     6 S JACKSON             33.21N 83.96W
04/10/2009                   BUTTS              GA   EMERGENCY MNGR

            APPROX 10 TREES DOWN

&&
DELAYED REPORTS

SNELSON

Special weather statement, Apr 14, 11:28 AM EDT, 2 hours 52 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1128 AM EDT TUE APR 14 2009

GAZ081-082-094-095-141600-
1128 AM EDT TUE APR 14 2009

...SIGNIFICANT WEATHER ALERT FOR PEA SIZED HAIL AND 35 MPH WINDS IN
HOUSTON...PEACH...CRAWFORD AND BIBB COUNTIES UNTIL NOON EDT...

AT 1128 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER FORT VALLEY...MOVING NORTHEAST AT 25 MPH.

SIGNIFICANT WEATHER ALERTS ARE ISSUED WHEN WINDS UP TO 57 MPH ARE
EXPECTED...HAIL IS EXPECTED TO BE LESS THAN THE SIZE OF PENNIES...OR
SIGNIFICANT CLOUD-TO-GROUND LIGHTNING IS EXPECTED.

Special weather statement, Apr 14, 11:34 AM EDT, 2 hours 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1134 AM EDT TUE APR 14 2009

GAZ085-097-107>109-141630-
1134 AM EDT TUE APR 14 2009

...SIGNIFICANT WEATHER ALERT FOR PEA SIZED HAIL AND 40 MPH WINDS IN
PORTIONS OF WILCOX...PULASKI...DODGE...LAURENS AND JOHNSON COUNTIES
UNTIL 1230 PM EDT...

AT 1131 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
BROKEN LINE OF STRONG THUNDERSTORMS THAT EXTENDED FROM NEAR TUCKERS
CROSSROAD IN LAURENS COUNTY TO ABOUT 5 MILES NORTH OF ROCHELLE IN
WILCOX COUNTY...AND MOVING NORTHEAST AT 40 MPH.

WIND GUSTS OF 40 MPH AND SMALL HAIL ARE POSSIBLE AS THESE STORMS
MOVE ACROSS WILCOX...PULASKI...DODGE...LAURENS AND JOHNSON COUNTIES
THROUGH 1230 PM EDT. SOME LOCATIONS IN THE PATH OF THESE STORMS
INCLUDE ROCHELLE...OCMULGEE BANKS...TUCKERS CROSSROAD...CEDAR
CREEK...ABBEVILLE...HARLOW...DEXTER...RHINE...UNION...DUBLIN...FIVE
POINTS...EAST DUBLIN...WRIGHTSVILLE AND PLAINFIELD.

Local storm report, Apr 14, 11:41 AM EDT, 2 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1141 AM EDT TUE APR 14 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1120 PM     TORNADO          1 N VIENNA              32.10N 83.79W
04/10/2009                   DOOLY              GA   EMERGENCY MNGR

            POSSIBLE TORNADO DESTROYED A CHICKEN HOUSE AND DOWNED
            SEVERAL TREES NEARBY. THIS AREA WILL BE SURVEYED BY NWS
            PERSONNEL ON WEDNESDAY.

1120 PM     TSTM WND DMG     1 S VIENNA              32.08N 83.79W
04/10/2009                   DOOLY              GA   EMERGENCY MNGR

            SEVERAL PECAN TREES UPROOTED

1125 PM     TORNADO          5 ESE VIENNA            32.06N 83.71W
04/10/2009                   DOOLY              GA   EMERGENCY MNGR

            POSSIBLE TORNADO CAUSED EXTENSIVE ROOF DAMAGE TO TWO
            HOMES AND SNAPPED DOZENS OF TREES NEAR THE INTERSECTION
            OF PARHAM RD AND LAMBSTOWN RD. THIS AREA WILL BE SURVEYED
            BY NWS PERSONNEL ON WEDNESDAY.

&&
DELAYED REPORTS

SNELSON

Special weather statement, Apr 14, 11:49 AM EDT, 2 hours 31 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 2:20 AM EDT	River Flood Warning	FFC	Bibb, Houston, Jones, Monroe, Twiggs	13 hr
Apr 14, 9:41 AM EDT	Severe Thunderstorm Warning	FFC	Emanuel	34 min
Apr 14, 9:51 AM EDT	Severe Thunderstorm Warning	FFC	Greene, Jasper, Putnam	13 min
Apr 14, 10:03 AM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Jefferson, Johnson	42 min
Apr 14, 10:09 AM EDT	Severe Thunderstorm Warning	FFC	Madison	37 min
Apr 14, 2:02 PM EDT	Severe Thunderstorm Warning	FFC	Wilkes	20 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2009 Every severe thunderstorm 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.