Alert archive / Georgia / Areal Flood Warnings in 2009

Areal Flood Warning 55, NWS Atlanta, GA

September 21, 20096 counties in Georgia

NWS Atlanta, GA issued this areal flood warning at Sep 21, 2009, 9:48 PM EDT for 6 counties in Georgia. It was in force for 12 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
Sep 21, 2009, 9:48 PM EDT (01:48 UTC)
Expired
Sep 22, 2009, 9:45 AM EDT
In force
12 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Catoosa County, GA, Chattooga County, GA, Dade County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 86 km from the middle of the area, began a volume at 01:49 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.

What forecasters said that day

The local office's own words before this areal flood 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 areal flood warning went out at Sep 21, 7:18 PM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Sep 21, 7:18 PM EDT, 2 hours 30 minutes before
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Hazardous weather outlook, Sep 21, 5:38 AM EDT, 16 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
538 AM EDT MON SEP 21 2009

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-221000-
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-
538 AM EDT MON SEP 21 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...TODAY AND TONIGHT
OCCASIONAL SHOWERS AND THUNDERSTORMS EXPECTED WITH HEAVY RAINFALL
AND AREAS OF SIGNIFICANT FLOODING.

.SYNOPSIS...
A PERSISTENT LOW PRESSURE OVER THE MIDDLE MISSISSIPPI VALLEY
CONTINUES TO DRAW A VERY MOIST TROPICAL AIRMASS NORTHWARD FROM THE
GULF INTO MUCH OF THE SOUTHEASTERN STATES. A SERIES OF UPPER LEVEL
WEATHER DISTURBANCES CROSSING GEORGIA TODAY ALONG WITH
SOUTHEASTERLY UPSLOPE FLOW WILL ENHANCE RAINFALL ACROSS THE LOCAL
AREA TODAY.

.PRIMARY HAZARDS...
HEAVY RAINFALL AND FLOODING WILL BE THE MAIN HAZARDS TODAY AND
TONIGHT...ESPECIALLY ACROSS NORTH GEORGIA. OCCASIONAL LIGHTNING
AND GUSTY WINDS WILL ALSO BE POSSIBLE WITH SOME OF THE STRONGER
STORMS.

.DISCUSSION...
THE ATMOSPHERE REMAINS VERY MOIST WITH PRECIPITABLE WATER VALUES
AROUND 2 INCHES. SOILS ARE SATURATED AFTER SEVERAL DAYS OF
WIDESPREAD RAINFALL AND ADDITIONAL HEAVY RAIN IS EXPECTED
TODAY...ESPECIALLY ACROSS NORTH GEORGIA. THIS MAY LEAD TO
ADDITIONAL FLOODING ALONG CREEKS...STREAMS...RIVERS AND OTHER LOW
LYING AREAS. A FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY
MORNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
SHOWERS AND THUNDERSTORMS ARE LIKELY AGAIN ON TUESDAY. THERE IS A
GOOD CHANCE OF SHOWERS AND THUNDERSTORMS FOR THE REST OF THE
PERIOD.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT REQUESTED BUT SPOTTERS ARE ENCOURAGED
TO SUBMIT REPORTS OF HEAVY RAIN AND FLOODING THROUGH THE WEB BY
GOING TO WEATHER.GOV/ATLANTA.

In the hours before

Special weather statement, Sep 21, 7:11 PM EDT, 2 hours 37 minutes before
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Special weather statement, Sep 21, 7:13 PM EDT, 2 hours 35 minutes before
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Special weather statement, Sep 21, 7:26 PM EDT, 2 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
726 PM EDT MON SEP 21 2009

GAZ036-038-039-049>051-059>061-220030-
726 PM EDT MON SEP 21 2009

...SIGNIFICANT WEATHER ALERT FOR 45 MPH WINDS IN HANCOCK...PUTNAM...
JASPER...TALIAFERRO...GREENE...MORGAN...WILKES...OGLETHORPE AND
CLARKE COUNTIES UNTIL 830 PM EDT...

AT 715 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS CONTAINING VERY HEAVY RAIN...FREQUENT LIGHTNING
AND WIND GUSTS TO 45 MPH FROM CRAWFORD TO WOODVILLE TO EATONTON
...MOVING EAST AT 15 MPH.

IN ADDITION TO GUSTY WINDS AND FREQUENT LIGHTNING...RUNOFF FROM
THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS AND
STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
THE AREA INCLUDING AREAS AROUND WARFIELD...WILLARD...HARMONY...ROCK
EAGLE 4-H CENTER ...EATONTON...CAREY...PENFIELD...WOODVILLE...
GREENSBORO...DUNLAP ...STEPHENS...MAXEYS...HUTCHINGS...CRAWFORD AND
ARNOLDSVILLE. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE
BANKS OF CREEKS AND STREAMS ARE SUBJECT TO MINOR FLOODING.
Local storm report, Sep 21, 7:45 PM EDT, 2 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
745 PM EDT MON SEP 21 2009

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

0700 PM     FLOOD            5 N CONYERS             33.74N 84.01W
09/21/2009                   ROCKDALE           GA   COUNTY OFFICIAL

            2 SUBDIVISIONS HAVE BEEN EVACUATED DUE TO FLOODING...A
            THIRD EVACUATION IS PENDING. 15-18 ROADS HAVE BEEN CLOSED
            DUE TO FLOODING...MAINLY IN THE NORTHERN PORTION OF THE
            COUNTY.

&&

RYAN
Special weather statement, Sep 21, 8:07 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
807 PM EDT MON SEP 21 2009

GAZ058-069>071-080-081-220100-
807 PM EDT MON SEP 21 2009

...SIGNIFICANT WEATHER ALERT FOR HEAVY RAIN AND FREQUENT LIGHTNING
IN TAYLOR...CRAWFORD...UPSON...MONROE...LAMAR AND BUTTS COUNTIES
UNTIL 900 PM EDT...

AT 802 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS CONTAINING HEAVY RAIN ...MOVING EAST AT
15 MPH. RAINFALL AMOUNTS OF 1 TO 2 INCHES HAVE FALLEN AND AN
ADDITIONAL INCH OF RAIN CAN BE EXPECTED THROUGH 9 PM.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
THE AREA INCLUDING AREAS AROUND COLLIER...BRENT...HIGH FALLS STATE
PARK...RUSSELLVILLE...CULLODEN...YATESVILLE...REDBONE...JOHNSTONVILLE
...GOGGINS...CHAPPEL MILL...MILNER...BARNESVILLE AND FORSYTH.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS
AND STREAMS ARE SUBJECT TO MINOR FLOODING.
Special weather statement, Sep 21, 9:14 PM EDT, 34 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 8:40 PM EDTFlash Flood WarningFFCBaldwin, Greene, Hancock, Jasper, Jones, Morgan and 5 more6 hr
Sep 21, 9:07 PM EDTAreal Flood WarningFFCCarroll, Cherokee, Cobb, Coweta, DeKalb, Douglas and 6 more18 hr
Sep 21, 10:11 PM EDTFlash Flood WarningFFCBibb, Houston, Peach, Twiggs6 hr
Sep 21, 10:34 PM EDTRiver Flood WarningFFCBaldwin, Washington, Wilkinson18 hr
Sep 21, 11:32 PM EDTFlash Flood WarningFFCDooly, Houston, Macon, Peach5 hr
Sep 21, 11:56 PM EDTRiver Flood WarningFFCBartow, Floyd11 hr
Sep 22, 7:04 AM EDTRiver Flood WarningFFCDeKalb, Rockdale40 hr
Sep 22, 7:04 AM EDTRiver Flood WarningFFCNewton, Rockdale51 hr
Sep 22, 7:04 AM EDTRiver Flood WarningFFCWhitfield51 hr
Sep 22, 7:04 AM EDTRiver Flood WarningFFCPutnam8 hr
Sep 22, 9:26 AM EDTRiver Flood WarningFFCMurray, Whitfield15 hr
Sep 22, 9:26 AM EDTRiver Flood WarningFFCBarrow, Jackson14 hr
Sep 22, 9:43 AM EDTAreal Flood WarningFFCCatoosa, Chattooga, Dade, Murray, Walker, Whitfield24 hr
Sep 22, 12:05 PM EDTAreal Flood WarningFFCDooly6 hr
Sep 22, 1:52 PM EDTRiver Flood WarningFFCClayton, Fayette, Spalding9 hr
Sep 22, 2:29 PM EDTAreal Flood WarningFFCCarroll, Cherokee, Cobb, Coweta, DeKalb, Douglas and 6 more18 hr
Sep 22, 5:54 PM EDTRiver Flood WarningFFCDooly18 hr

Nearby

Areal Flood Warnings in Georgia, 2009Every areal flood 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; radar from the NEXRAD Level II archive.