Alert archive / Georgia / Flash Flood Watches in 2012
Flash Flood Watch 3, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood watch at Mar 2, 2012, 10:55 AM EST for 16 counties in Georgia. It took effect at Mar 2, 2012, 10:00 PM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Mar 2, 2012, 10:55 AM EST (15:55 UTC)
- In effect from
- Mar 2, 2012, 10:00 PM EST
- Expired
- Mar 3, 2012, 5:48 AM EST
- In force
- 8 hr
- Issued by
- NWS Atlanta, GA
- Flood severity
- None
Counties Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Dade County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon County, GA, Haralson County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Walker County, GA, Whitfield County, GA
The radar
The Northeast Alabama radar (KHTX), 117 km from the middle of the area, began a volume at 15:58 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 12:00Z, 3.9 hours before the alert went out and 129 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
- 55 J/kg
- Mixed-layer CIN
- -255 J/kg
- Mixed-layer LCL
- 788 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
182 WGUS62 KFFC 021555 FFAFFC URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1055 AM EST FRI MAR 2 2012 GAZ001>007-011>013-019>021-030-031-041-030000- /O.NEW.KFFC.FF.A.0003.120303T0300Z-120303T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-CHATTOOGA- GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK-PAULDING-HARALSON- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE 1055 AM EST FRI MAR 2 2012 ...FLASH FLOOD WATCH IN EFFECT FROM 10 PM EST THIS EVENING THROUGH SATURDAY MORNING FOR PORTIONS OF NORTH GEORGIA... THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL GEORGIA AND NORTHWEST GEORGIA. * FROM 10 PM EST THIS EVENING THROUGH SATURDAY MORNING * SHOWERS AND THUNDERSTORMS ALONG AN APPROACHING COLD FRONT WILL SPREAD RAINFALL AMOUNTS OF 1 TO 2 INCHES ACROSS NORTH GEORGIA THIS EVENING AND OVERNIGHT...WITH LOCALLY HIGHER AMOUNTS TO 3-4 INCHES. * MOIST SOIL CONDITIONS CONTINUE TO PERSIST TODAY FROM RAIN OVER THE LAST SEVERAL DAYS. THIS WILL ALLOW RAIN TO RUN OFF INTO NEARBY STREAMS...CREEKS...AND RIVERS CAUSING RAPID RISES AND MINOR FLOODING OF SMALLER CREEKS...STREAMS...AND LOW-LYING FLOOD-PRONE AREAS...INCLUDING AREAS NEAR LOOKOUT CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
4 follow-up statements
615 WGUS62 KFFC 021935 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 235 PM EST FRI MAR 2 2012 GAZ001>007-011>013-019>021-030-031-041-030345- /O.CON.KFFC.FF.A.0003.120303T0300Z-120303T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-CHATTOOGA- GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK-PAULDING-HARALSON- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE 235 PM EST FRI MAR 2 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 10 PM EST THIS EVENING THROUGH SATURDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTH CENTRAL GEORGIA AND NORTHWEST GEORGIA. * FROM 10 PM EST THIS EVENING THROUGH SATURDAY MORNING * SHOWERS AND THUNDERSTORMS ALONG AN APPROACHING COLD FRONT WILL SPREAD RAINFALL AMOUNTS OF 1 TO 2.5 INCHES ACROSS NORTH GEORGIA THIS EVENING AND OVERNIGHT...WITH LOCALLY HIGHER AMOUNTS TO 3- 4 INCHES. * MOIST SOIL CONDITIONS CONTINUE TO PERSIST TODAY FROM RAIN OVER THE LAST SEVERAL DAYS. THIS WILL ALLOW RAIN TO RUN OFF INTO NEARBY STREAMS...CREEKS...AND RIVERS CAUSING RAPID RISES AND MINOR FLOODING OF SMALLER CREEKS...STREAMS...AND LOW-LYING FLOOD-PRONE AREAS...INCLUDING AREAS NEAR LOOKOUT CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
779 WGUS62 KFFC 030325 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1025 PM EST FRI MAR 2 2012 GAZ001>007-011>013-019>021-030-031-041-031200- /O.CON.KFFC.FF.A.0003.000000T0000Z-120303T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-CHATTOOGA- GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK-PAULDING-HARALSON- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE 1025 PM EST FRI MAR 2 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTH CENTRAL GEORGIA AND NORTHWEST GEORGIA. * UNTIL 7 AM EST SATURDAY * SHOWERS AND THUNDERSTORMS ALONG AN APPROACHING COLD FRONT WILL SPREAD RAINFALL AMOUNTS OF 1 TO 2.5 INCHES ACROSS NORTH GEORGIA THIS EVENING AND OVERNIGHT...WITH LOCALLY HIGHER AMOUNTS TO 3-4 INCHES. * MOIST SOIL CONDITIONS CONTINUE TO PERSIST TONIGHT FROM RAIN THAT FELL EARLIER FRIDAY AND OVER THE LAST SEVERAL DAYS. THIS WILL ALLOW RAIN TO RUN OFF INTO NEARBY STREAMS...CREEKS...AND RIVERS CAUSING RAPID RISES AND MINOR FLOODING OF SMALLER CREEKS...STREAMS...AND LOW-LYING FLOOD-PRONE AREAS...INCLUDING AREAS NEAR LOOKOUT CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ 10
133 WGUS62 KFFC 030644 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 144 AM EST SAT MAR 3 2012 GAZ001>006-030745- /O.CAN.KFFC.FF.A.0003.000000T0000Z-120303T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN- 144 AM EST SAT MAR 3 2012 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHWEST AND NORTH CENTRAL GEORGIA HAS BEEN CANCELLED. RAINFALL AMOUNTS OF 0.5 TO 1.5 INCHES HAS OCCURRED OVER THE EXTREME NORTHERN COUNTIES OF GEORGIA FROM TRENTON THROUGH DALTON TO BLUE RIDGE. LIGHT TO MODERATE RAIN CONTINUES OVER THIS AREA AT THIS TIME...BUT THE THREAT OF HEAVY RAIN AND POSSIBLE FLASH FLOODING HAS ENDED FOR THIS MORNING. $$ GAZ007-011>013-019>021-030-031-041-031200- /O.CON.KFFC.FF.A.0003.000000T0000Z-120303T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GILMER-CHATTOOGA-GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK- PAULDING-HARALSON- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE 144 AM EST SAT MAR 3 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHWEST AND NORTH CENTRAL GEORGIA. * UNTIL 7 AM EST THIS MORNING * SHOWERS AND THUNDERSTORMS WITH OCCASION HEAVY RAIN CONTINUE TO PASS OVER THE WATCH AREA THIS MORNING IN ADVANCE OF AN APPROACHING COLD FRONT. RAINFALL AMOUNTS OF 2 INCHES AT ARMUCHEE IN FLOYD COUNTY TO 3.5 INCHES AT TALKING ROCK IN PICKENS COUNTY HAVE OCCURRED OVERNIGHT. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED OVER THE WATCH AREA BEFORE THE COLD FRONTAL PASSAGE DURING THE EARLY MORNING HOURS. * MOIST TO WET SOIL CONDITIONS CONTINUE TO PERSIST THIS MORNING. THIS WILL ALLOW RAIN TO RUN OFF RAPIDLY CAUSING RAPID RISES AND GENERALLY MINOR FLOODING OF SMALLER CREEKS...STREAMS...AND LOW LYING FLOOD PRONE AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ 16
031 WGUS62 KFFC 031048 FFAFFC FLOOD WATCH NATIONAL WEATHER SERVICE PEACHTREE CITY GA 548 AM EST SAT MAR 3 2012 GAZ007-011>013-019>021-030-031-041-031200- /O.CAN.KFFC.FF.A.0003.000000T0000Z-120303T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ GILMER-CHATTOOGA-GORDON-PICKENS-FLOYD-BARTOW-CHEROKEE-POLK- PAULDING-HARALSON- INCLUDING THE CITIES OF...CALHOUN...ROME...CARTERSVILLE 548 AM EST SAT MAR 3 2012 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF NORTH GEORGIA HAS BEEN CANCELLED. THE STRONG COLD FRONT THAT PRODUCED HEAVY RAINS ACROSS NORTH GEORGIA EARLIER THIS MORNING WILL CONTINUE TO MOVE SOUTHWARD...ENDING THE THREAT FOR FLASH FLOODING FOR NORTH GEORGIA. $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 10:47 AM EST | Wind Advisory | FFC | Bartow, Catoosa, Chattooga, Dade, Dawson, Fannin and 11 more | 16 hr |
| Mar 2, 12:15 PM EST | Special Weather Statement | FFC | Dade | 30 min |
| Mar 2, 12:21 PM EST | Severe Thunderstorm Warning | FFC | Dade | 24 min |
| Mar 2, 4:55 PM EST | Special Weather Statement | FFC | Heard, Troup | 50 min |
| Mar 2, 6:10 PM EST | Special Weather Statement | FFC | Catoosa | 50 min |
| Mar 2, 6:43 PM EST | Severe Thunderstorm Warning | FFC | Catoosa, Dade, Walker | 47 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.