Alert archive / Georgia / Flash Flood Watches in 2012
Flash Flood Watch 2, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood watch at Jan 26, 2012, 3:49 AM EST for 22 counties in Georgia. It took effect at Jan 26, 2012, 7:00 PM EST. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jan 26, 2012, 3:49 AM EST (08:49 UTC)
- In effect from
- Jan 26, 2012, 7:00 PM EST
- Expired
- Jan 26, 2012, 11:20 PM EST
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
- Flood severity
- None
All 22 counties
Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Cobb County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon County, GA, Haralson 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), 126 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 126 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
- 1169 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
419 WGUS62 KFFC 260849 FFAFFC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 349 AM EST THU JAN 26 2012 GAZ001>009-011>016-019>021-030>032-041-271000- /O.NEW.KFFC.FF.A.0002.120127T0000Z-120127T1000Z/ /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-POLK-PAULDING-COBB-HARALSON- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...MARIETTA 349 AM EST THU JAN 26 2012 ...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL GEORGIA... NORTHEAST GEORGIA AND NORTHWEST GEORGIA. * FROM THIS EVENING THROUGH LATE TONIGHT * SHOWERS AND THUNDERSTORMS DEVELOPING AHEAD OF AN APPROACHING COLD FRONT WILL SPREAD RAINFALL AMOUNTS OF 1 TO 3 INCHES IN THE WATCH AREA THIS EVENING AND OVERNIGHT. * RAINFALL AMOUNTS OF 2 TO 4 INCHES HAVE OCCURRED OVER THE AREA OF CONCERN DURING THE PAST 7 DAYS. MOIST SOIL CONDITIONS CONTINUE TO EXIST FROM PREVIOUS RAIN EVENTS. THIS WILL ALLOW RUN OFF INTO NEARBY STREAMS...CREEKS...AND RIVERS CAUSING RAPID RISES AND MINOR FLOODING OF SMALLER CREEKS...STREAMS...AND LOW-LYING FLOOD-PRONE AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY QUICKLY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. NEVER DRIVE INTO OR PLAY IN FLOODED AREAS...TURN AROUND AND DONT DROWN. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ 10
3 follow-up statements
117 WGUS62 KFFC 262006 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 306 PM EST THU JAN 26 2012 GAZ001>009-011>016-019>021-030>032-041-270415- /O.CON.KFFC.FF.A.0002.120127T0000Z-120127T1000Z/ /00000.0.OT.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS- CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW- CHEROKEE-POLK-PAULDING-COBB-HARALSON- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...MARIETTA 306 PM EST THU JAN 26 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM EST THIS EVENING THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTH CENTRAL GEORGIA...NORTHEAST GEORGIA AND NORTHWEST GEORGIA. * FROM 7 PM EST THIS EVENING THROUGH LATE TONIGHT * SHOWERS AND THUNDERSTORMS DEVELOPING AHEAD OF AN APPROACHING COLD FRONT WILL SPREAD RAINFALL AMOUNTS OF 1 TO 3 INCHES IN THE WATCH AREA THIS EVENING AND OVERNIGHT. * RAINFALL AMOUNTS OF 2 TO 4 INCHES HAVE OCCURRED OVER THE AREA OF CONCERN DURING THE PAST 7 DAYS. MOIST SOIL CONDITIONS CONTINUE TO EXIST FROM PREVIOUS RAIN EVENTS. THIS WILL ALLOW RUN OFF INTO NEARBY STREAMS...CREEKS...AND RIVERS CAUSING RAPID RISES AND MINOR FLOODING OF SMALLER CREEKS...STREAMS... AND LOW-LYING FLOOD-PRONE AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY QUICKLY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. NEVER DRIVE INTO OR PLAY IN FLOODED AREAS...TURN AROUND AND DONT DROWN. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
410 WGUS62 KFFC 270206 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 906 PM EST THU JAN 26 2012 GAZ005>009-011>016-019>021-030>032-041-270315- /O.CAN.KFFC.FF.A.0002.000000T0000Z-120127T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MURRAY-FANNIN-GILMER-UNION-TOWNS-CHATTOOGA-GORDON-PICKENS-DAWSON- LUMPKIN-WHITE-FLOYD-BARTOW-CHEROKEE-POLK-PAULDING-COBB-HARALSON- INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND... ROME...CARTERSVILLE...MARIETTA 906 PM EST THU JAN 26 2012 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF NORTH GEORGIA HAS BEEN CANCELLED. WIDESPREAD RAINFALL AMOUNTS OF 0.25 TO 0.50 INCH HAS OCCURRED SO FAR THIS AFTERNOON AND EVENING OVER MOST OF THE PREVIOUS WATCH AREA. SCATTERED SHOWERS IN ALABAMA ALONG AND JUST AHEAD OF A COLD FRONT WILL MOVE EAST THROUGH NORTH GEORGIA DURING THE NIGHT. AN ADDITIONAL HALF INCH OF RAIN OR SO CAN BE EXPECTED BEFORE THE RAIN ENDS BY MORNING. THESE RAINFALL AMOUNTS HAVE BEEN LESS THAN PREVIOUSLY FORECAST SO NO FLOODING PROBLEMS ARE NOW EXPECTED OVERNIGHT. 16 $$ GAZ001>004-271000- /O.CON.KFFC.FF.A.0002.000000T0000Z-120127T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD- 906 PM EST THU JAN 26 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 5 AM EST FRIDAY... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHWEST GEORGIA. * UNTIL 500 AM EST FRIDAY * RAINFALL AMOUNTS OF 1.5 TO 2 INCHES HAS OCCURRED SO FAR OVER DADE COUNTY. THIS HAS CAUSED THE LOOKOUT CREEK NEAR NEW ENGLAND TO GO INTO MINOR FLOOD. OTHERWISE...0.50 TO 1 INCH OF RAIN HAS OCCURRED OVER WALKER...CATOOSA AND WHITFIELD COUNTIES. SCATTERED SHOWERS WITH BRIEF HEAVY DOWNPOURS ARE ALONG AND JUST AHEAD OF A COLD FRONT IN EAST ALABAMA THIS EVENING. THE FRONT WILL CONTINUE TO MOVE EAST THROUGH THE WATCH AREA BY MIDNIGHT WITH AN ADDITIONAL HALF INCH OR SO OF RAIN. * SINCE THE SOIL CONDITIONS IN THE WATCH AREA ARE VERY WET FROM PREVIOUS RAIN DURING THE PAST WEEK...FLASH FLOODING OF THE SMALLER STREAMS...CREEKS AND LOW-LYING FLOOD PRONE AREAS WILL STILL BE POSSIBLE UNTIL THE RAIN ENDS EARLY FRIDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY QUICKLY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. NEVER DRIVE INTO OR PLAY IN FLOODED AREAS...TURN AROUND AND DONT DROWN. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ 16
311 WGUS62 KFFC 270420 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1120 PM EST THU JAN 26 2012 GAZ001>004-270530- /O.CAN.KFFC.FF.A.0002.000000T0000Z-120127T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD- 1120 PM EST THU JAN 26 2012 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR A PORTION OF NORTHWEST GEORGIA HAS BEEN CANCELLED. WITH THE PASSAGE OF THE COLD FRONT THROUGH EXTREME NORTHWEST GEORGIA...RAIN SHOWERS WILL BEGIN TO SUBSIDE AND SWOLLEN RIVERS...CREEKS...AND STREAMS WILL BEGIN TO FALL. $$ 10
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 26, 3:28 AM EST | Dense Fog Advisory | FFC | Baldwin, Bibb, Bleckley, Butts, Chattahoochee, Clarke and 58 more | 6 hr |
| Jan 26, 5:18 PM EST | Flash Flood Warning | FFC | Dade | 6 hr |
| Jan 26, 5:33 PM EST | Special Weather Statement | FFC | Coweta | 27 min |
| Jan 26, 6:07 PM EST | Special Weather Statement | FFC | Crawford, Macon, Marion, Monroe, Schley, Sumter and 4 more | 23 min |
| Jan 26, 6:25 PM EST | Special Weather Statement | FFC | Crawford, Macon, Schley, Sumter, Taylor, Upson | 35 min |
| Jan 26, 6:41 PM EST | Special Weather Statement | FFC | Bibb, Macon, Peach, Sumter | 34 min |
Nearby
Flash Flood Watches in Georgia, 2012Every flash flood watch in 2012
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.