Alert archive / Georgia / Flood Watches in 2011
Flood Watch 3, NWS Atlanta, GA
NWS Atlanta, GA issued this flood watch at Mar 8, 2011, 4:55 AM EST for 32 counties in Georgia. It took effect at Mar 9, 2011, 7:00 AM EST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Mar 8, 2011, 4:55 AM EST (09:55 UTC)
- In effect from
- Mar 9, 2011, 7:00 AM EST
- Expired
- Mar 9, 2011, 7:16 PM EST
- In force
- 12 hr
- Issued by
- NWS Atlanta, GA
- Flood severity
- None
All 32 counties
Banks County, GA, Barrow County, GA, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Cobb County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Jackson County, GA, Lumpkin County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA
The radar
The Atlanta radar (KFFC), 108 km from the middle of the area, began a volume at 09:58 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, 9.9 hours before the alert went out and 107 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1585 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
004 WGUS62 KFFC 080955 FFAFFC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 455 AM EST TUE MAR 8 2011 GAZ001>009-011>016-019>025-030>035-041>045-082200- /O.NEW.KFFC.FA.A.0003.110309T1200Z-110310T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW- CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB- NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS- SOUTH FULTON-DEKALB- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA... LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR 455 AM EST TUE MAR 8 2011 ...FLOOD WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL GEORGIA...NORTHEAST GEORGIA AND NORTHWEST GEORGIA. * FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON * SHOWERS AND A FEW THUNDERSTORMS WITH MODERATE TO HEAVY RAINFALL ARE EXPECTED TO MOVE INTO NORTHWEST GEORGIA EARLY WEDNESDAY MORNING IN ASSOCIATION WITH A STRONG UPPER-LEVEL SYSTEM. MODERATE TO HEAVY RAIN WILL THEN SPREAD ACROSS THE REMAINDER OF NORTH GEORGIA DURING THE DAY WEDNESDAY. RAINFALL TOTALS WILL AVERAGE 2 TO 3 INCHES ACROSS NORTH GEORGIA...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * THE SOIL ACROSS NORTH GEORGIA IS SATURATED FROM RECENT RAINFALL. THE ADDITIONAL EXPECTED RAINFALL WILL RESULT IN CONSIDERABLE RUNOFF INTO AREA RIVERS...CREEKS...AND STREAMS. SEVERAL CREEKS...ESPECIALLY IN NORTHWEST GEORGIA...ARE ALREADY AT BANKFULL OR IN MINOR FLOOD. MANY OF THESE SAME CREEKS AND STREAMS...AS WELL AS ADDITIONAL ONES...WILL LIKELY REACH OR EXCEED FLOOD STAGE WEDNESDAY THROUGH EARLY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$ 19
5 follow-up statements
533 WGUS62 KFFC 082015 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 315 PM EST TUE MAR 8 2011 GAZ001>009-011>016-019>025-030>035-041>045-090415- /O.CON.KFFC.FA.A.0003.110309T1200Z-110310T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW- CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB- NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS- SOUTH FULTON-DEKALB- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA... LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR 315 PM EST TUE MAR 8 2011 ...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * MOST OF NORTH GEORGIA. * FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON. * WIDESPREAD SHOWERS WITH SCATTERED THUNDERSTORMS AND OCCASIONAL HEAVY RAIN ARE EXPECTED TO MOVE INTO NORTHWEST GEORGIA EARLY WEDNESDAY MORNING IN ASSOCIATION WITH A STRONG UPPER-LEVEL SYSTEM. MODERATE TO HEAVY RAIN WILL THEN SPREAD ACROSS THE REMAINDER OF NORTH GEORGIA DURING THE DAY WEDNESDAY. STORM TOTAL RAINFALL AMOUNTS WILL AVERAGE 2 TO 3 INCHES ACROSS NORTH GEORGIA ...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * THE SOIL ACROSS NORTH GEORGIA IS STILL WET FROM RECENT RAINFALL. THE ADDITIONAL EXPECTED RAINFALL WILL RESULT IN CONSIDERABLE RUNOFF INTO STREAMS...CREEKS AND RIVERS. A FEW CREEKS AND RIVERS ...ESPECIALLY IN NORTHWEST GEORGIA...REMAIN NEAR BANKFULL AFTER BEING IN MINOR FLOOD EARLIER THIS WEEK. MANY OF THESE SAME CREEKS AND RIVERS...AS WELL AS ADDITIONAL ONES...WILL LIKELY REACH OR EXCEED FLOOD STAGE WEDNESDAY THROUGH THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
251 WGUS62 KFFC 090845 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 345 AM EST WED MAR 9 2011 GAZ001>009-011>016-019>025-030>035-041>045-092130- /O.CON.KFFC.FA.A.0003.110309T1200Z-110310T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW- CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB- NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS- SOUTH FULTON-DEKALB- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA... LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR 345 AM EST WED MAR 9 2011 ...FLOOD WATCH REMAINS IN EFFECT FROM 7 AM EST THIS MORNING THROUGH THURSDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * NORTH GEORGIA. * FROM 7 AM EST THIS MORNING THROUGH THURSDAY AFTERNOON * WIDESPREAD SHOWERS AND THUNDERSTORMS WITH OCCASIONAL HEAVY RAIN ARE EXPECTED OVER THE AREA TODAY. RAINFALL AMOUNTS WILL AVERAGE 1 1/2 TO 3 INCHES ACROSS NORTH GEORGIA WITH LOCALLY HIGHER AMOUNTS POSSIBLE...ESPECIALLY OVER THE HIGHER TERRAIN OF THE MOUNTAINS. * THE SOILS ACROSS NORTH GEORGIA ARE WET FROM RECENT RAINFALL. HEAVY RAINFALL WILL RESULT IN CONSIDERABLE RUNOFF INTO STREAMS...CREEKS AND RIVERS. A FEW CREEKS AND RIVERS ESPECIALLY ...IN NORTHWEST GEORGIA...REMAIN NEAR BANKFULL AFTER BEING IN MINOR FLOOD EARLIER THIS WEEK. MANY OF THESE SAME CREEKS AND RIVERS...AS WELL AS ADDITIONAL ONES...WILL LIKELY REACH OR EXCEED FLOOD STAGE WEDNESDAY THROUGH THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
080 WGUS62 KFFC 091543 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1043 AM EST WED MAR 9 2011 GAZ001>009-011>016-019>025-030>035-041>045-092345- /O.CON.KFFC.FA.A.0003.000000T0000Z-110310T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW- CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB- NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS- SOUTH FULTON-DEKALB- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA... LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR 1043 AM EST WED MAR 9 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * MOST OF NORTH GEORGIA. * THROUGH THURSDAY AFTERNOON. * WIDESPREAD SHOWERS AND THUNDERSTORMS WITH OCCASIONAL HEAVY RAIN ARE OCCURRING ACROSS NORTH GEORGIA THIS MORNING AND WILL CONTINUE THROUGH THE AFTERNOON. AROUND 2 INCHES OF RAIN HAS ALREADY FALLEN ACROSS PORTIONS OF NORTH GEORGIA AND AN ADDITIONAL 1-2 INCHES OF RAIN IS EXPECTED WITH WITH LOCALLY HIGHER AMOUNTS POSSIBLE...ESPECIALLY OVER THE HIGHER TERRAIN OF THE MOUNTAINS. * THE SOILS ACROSS NORTH GEORGIA ARE WET FROM RECENT RAINFALL. HEAVY RAINFALL WILL RESULT IN CONSIDERABLE RUNOFF INTO STREAMS...CREEKS AND RIVERS. WITH THE RAINFALL THAT HAS ALREADY OCCURRED ACROSS NORTH GEORGIA...SOME CREEKS AND RIVERS ARE ALREADY IN FLOOD OR APPROACHING FLOOD. ADDITIONAL CREEKS AND RIVERS WILL LIKELY REACH OR EXCEED FLOOD STAGE THROUGH THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
567 WGUS62 KFFC 092026 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 326 PM EST WED MAR 9 2011 GAZ001>009-011>016-019>025-030>035-041>045-100430- /O.CON.KFFC.FA.A.0003.000000T0000Z-110310T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW- CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB- NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS- SOUTH FULTON-DEKALB- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA... LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR 326 PM EST WED MAR 9 2011 ...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * NORTH GEORGIA. * THROUGH THURSDAY AFTERNOON. * WIDESPREAD SHOWERS AND THUNDERSTORMS HAVE MOVED THROUGH NORTH GEORGIA OVER THE PAST 12 HOURS. SOME LINGERING SHOWERS ARE CONTINUING ACROSS NORTH GEORGIA. TWO TO THREE INCHES OF RAIN WITH SOME HIGHER AMOUNTS HAS ALREADY FALLEN ACROSS THE AREA AND AN ADDITIONAL HALF INCH IS POSSIBLE. * WITH THE RAINFALL THAT HAS OCCURRED ACROSS NORTH GEORGIA...SOME CREEKS AND RIVERS ARE IN FLOOD OR APPROACHING FLOOD. ADDITIONAL CREEKS AND RIVERS WILL LIKELY REACH OR EXCEED FLOOD STAGE THROUGH THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
071 WGUS62 KFFC 100016 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 716 PM EST WED MAR 9 2011 GAZ001>009-011>016-019>025-030>035-041>045-100130- /O.CAN.KFFC.FA.A.0003.000000T0000Z-110310T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW- CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-POLK-PAULDING-COBB- NORTH FULTON-GWINNETT-BARROW-HARALSON-CARROLL-DOUGLAS- SOUTH FULTON-DEKALB- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA... LAWRENCEVILLE...CARROLLTON...DOUGLASVILLE...EAST POINT...DECATUR 716 PM EST WED MAR 9 2011 ...FLOOD WATCH IS CANCELLED FOR NORTH GEORGIA... THE FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL GEORGIA...NORTHEAST GEORGIA AND NORTHWEST GEORGIA HAS BEEN CANCELLED. THE STORM SYSTEM THAT PRODUCED UP TO 3.5 INCHES OF RAIN IN THIS AREA HAS MOVED EAST...AND ANY SUBSEQUENT RAIN EXPECTED TONIGHT WILL BE LIGHT. RUNOFF FROM TODAY'S RAINS...HOWEVER...WILL STILL CONTRIBUTE TO RISES ON LARGER RIVERS. THESE EVENTS WILL BE ADDRESSED WITH RIVER FLOOD WARNINGS...AS NECESSARY. $$
Nearby
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.