Alert archive / Georgia / Flood Watches in 2016

Flood Watch 1, NWS Atlanta, GA

January 21, 201638 counties in Georgia

NWS Atlanta, GA issued this flood watch at Jan 21, 2016, 2:57 PM EST for 38 counties in Georgia. It took effect at Jan 22, 2016, 3:00 AM EST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Jan 21, 2016, 2:57 PM EST (19:57 UTC)
In effect from
Jan 22, 2016, 3:00 AM EST
Expired
Jan 22, 2016, 7:34 PM EST
In force
17 hr
Issued by
NWS Atlanta, GA
Flood severity
None
All 38 counties

Banks County, GA, Barrow County, GA, Bartow County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke 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, Madison County, GA, Murray County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Towns County, GA, Union County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA, Wilkes County, GA

The radar

The Atlanta radar (KFFC), 103 km from the middle of the area, began a volume at 19:58 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, 8.0 hours before the alert went out and 101 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2016-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2016-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

486 
WGUS62 KFFC 211957
FFAFFC

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
257 PM EST THU JAN 21 2016

GAZ001>009-011>016-019>025-027-030>039-041>045-047-220400-
/O.NEW.KFFC.FA.A.0001.160122T0800Z-160123T1200Z/
/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-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-OGLETHORPE-WILKES-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-WALTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR
257 PM EST THU JAN 21 2016

...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLOOD WATCH FOR PORTIONS OF NORTH GEORGIA...INCLUDING THE
  FOLLOWING COUNTIES...WILKES...BARROW...CHEROKEE...COBB...
  DAWSON...DEKALB...DOUGLAS...FANNIN...FORSYTH...GILMER...
  GWINNETT...HALL...LUMPKIN...NORTH FULTON...PICKENS...SOUTH
  FULTON...UNION...WALTON...BANKS...CLARKE...JACKSON...
  MADISON...OCONEE...OGLETHORPE...TOWNS...WHITE...BARTOW...
  CARROLL...CATOOSA...CHATTOOGA...DADE...FLOYD...GORDON...
  HARALSON...MURRAY...PAULDING...POLK...WALKER AND WHITFIELD.

* FROM LATE TONIGHT THROUGH SATURDAY MORNING

* SOILS REMAIN EXCESSIVELY WET ACROSS NORTH GEORGIA WITH AVERAGE
  STREAMFLOWS OF CREEKS AND RIVERS ABOVE NORMAL. WIDESPREAD RAIN
  ...OCCASIONALLY HEAVY AT TIMES...WILL DEVELOP OVER THE WATCH
  AREA LATE TONIGHT AND CONTINUE TO FRIDAY EVENING. STORM TOTAL
  RAINFALL AMOUNTS AROUND TWO INCHES CAN BE EXPECTED GENERALLY
  NORTH OF INTERSTATE 20 IN GEORGIA. THE RAIN WILL TRANSITION TO
  FREEZING RAIN...SLEET OR SNOW FRIDAY NIGHT AS COLD AIR BEGINS TO
  DOMINATE THE REGION.

* FLOODING OF STREAMS...CREEKS AND SMALL RIVERS ARE POSSIBLE WITH
  THE EXPECTED RAINFALL. ALSO...TEMPORARY STREET FLOODING COULD
  OCCUR DUE TO POOR DRAINAGE AND CLOGGED STORM DRAINS WHERE ANY
  HEAVY RAIN OCCURS.

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.

&&

$$

16
4 follow-up statements
617 
WGUS62 KFFC 220235
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
935 PM EST THU JAN 21 2016


GAZ001>009-011>016-019>025-027-030>039-041>045-047-221045-
/O.CON.KFFC.FA.A.0001.160122T0800Z-160123T1200Z/
/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-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-OGLETHORPE-WILKES-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-WALTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR
935 PM EST THU JAN 21 2016

...FLOOD WATCH REMAINS IN EFFECT FROM 3 AM EST FRIDAY THROUGH
SATURDAY MORNING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF EAST CENTRAL GEORGIA...NORTH CENTRAL GEORGIA... 
  NORTHEAST GEORGIA AND NORTHWEST GEORGIA...INCLUDING THE 
  FOLLOWING IN EAST ...CENTRAL GEORGIA...WILKES. IN NORTH 
  CENTRAL GEORGIA...BARROW...CHEROKEE...COBB...DAWSON...DEKALB...
   DOUGLAS...FANNIN...FORSYTH...GILMER...GWINNETT...HALL... 
  LUMPKIN...NORTH FULTON...PICKENS...SOUTH FULTON...UNION AND 
  WALTON. IN NORTHEAST GEORGIA...BANKS...CLARKE...JACKSON... 
  MADISON...OCONEE...OGLETHORPE...TOWNS AND WHITE. IN NORTHWEST 
  GEORGIA...BARTOW...CARROLL...CATOOSA...CHATTOOGA...DADE... 
  FLOYD...GORDON...HARALSON...MURRAY...PAULDING...POLK...WALKER 
  AND WHITFIELD. 

* FROM 3 AM EST FRIDAY THROUGH SATURDAY MORNING

* SOILS REMAIN EXCESSIVELY WET ACROSS NORTH GEORGIA WITH AVERAGE
  STREAMFLOWS OF CREEKS AND RIVERS ABOVE NORMAL. WIDESPREAD RAIN
  OCCASIONALLY HEAVY...AT TIMES...WILL DEVELOP OVER THE WATCH
  AREA LATE TONIGHT AND CONTINUE TO FRIDAY EVENING. STORM TOTAL
  RAINFALL AMOUNTS AROUND TWO INCHES CAN BE EXPECTED GENERALLY
  NORTH OF INTERSTATE 20 IN GEORGIA. THE RAIN WILL TRANSITION TO
  FREEZING RAIN...SLEET OR SNOW FRIDAY NIGHT AS COLD AIR BEGINS TO
  DOMINATE THE REGION.

* FLOODING OF STREAMS...CREEKS AND SMALL RIVERS ARE POSSIBLE 
  WITH THE EXPECTED RAINFALL. ALSO...TEMPORARY STREET FLOODING 
  COULD OCCUR DUE TO POOR DRAINAGE AND CLOGGED STORM DRAINS 
  WHERE ANY HEAVY RAIN OCCURS. 

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.

&&

$$
784 
WGUS62 KFFC 220811
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
311 AM EST FRI JAN 22 2016

GAZ001>009-011>016-019>025-027-030>039-041>045-047-221615-
/O.CON.KFFC.FA.A.0001.000000T0000Z-160123T1200Z/
/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-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-OGLETHORPE-WILKES-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-WALTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR
311 AM EST FRI JAN 22 2016

...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

THE FLOOD WATCH CONTINUES FOR

* NORTH AND PARTS OF CENTRAL GEORGIA...GENERALLY NORTH OF A LINE
  FROM CARROLLTON...TO ATLANTA...TO ATHENS...TO WASHINGTON.

* THROUGH SATURDAY MORNING

* SOILS REMAIN EXCESSIVELY WET ACROSS NORTH GEORGIA WITH AVERAGE
  STREAMFLOWS OF CREEKS AND RIVERS ABOVE NORMAL. WIDESPREAD RAIN
  OCCASIONALLY HEAVY...AT TIMES...WILL CONTINUE OVER THE WATCH
  AREA INTO THIS EVENING. ADDITIONAL RAINFALL AMOUNTS OF AROUND 1
  INCH CAN BE EXPECTED. 

* FLOODING OF STREAMS...CREEKS AND SMALL RIVERS ARE POSSIBLE 
  WITH THE EXPECTED RAINFALL. ALSO...TEMPORARY STREET FLOODING 
  COULD OCCUR DUE TO POOR DRAINAGE AND CLOGGED STORM DRAINS 
  WHERE ANY HEAVY RAIN OCCURS. 

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.

&&

$$
210 
WGUS62 KFFC 221510
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1010 AM EST FRI JAN 22 2016

GAZ001>009-011>016-019>025-027-030>039-041>045-047-222315-
/O.CON.KFFC.FA.A.0001.000000T0000Z-160123T1200Z/
/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-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-OGLETHORPE-WILKES-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-WALTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR
1010 AM EST FRI JAN 22 2016

...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING...

THE FLOOD WATCH CONTINUES FOR

* NORTH AND PARTS OF CENTRAL GEORGIA...GENERALLY NORTH OF A LINE
  FROM CARROLLTON...TO ATLANTA...TO ATHENS...TO WASHINGTON.

* THROUGH SATURDAY MORNING.

* SOILS REMAIN EXCESSIVELY WET ACROSS NORTH GEORGIA WITH AVERAGE
  STREAMFLOWS OF CREEKS AND RIVERS ABOVE NORMAL. WIDESPREAD RAIN
  OCCASIONALLY HEAVY...AT TIMES...WILL CONTINUE OVER THE WATCH
  AREA INTO THIS EVENING. WHILE MANY LOCATIONS RECEIVED A
  WIDESPREAD 1 TO 2 AND A HALF INCHES OF RAINFALL IN THE LAST 24
  HOURS...ADDITIONAL AMOUNTS OF A HALF TO THREE QUARTERS OF AN
  INCH CAN BE EXPECTED. SOME LINGERING RUNOFF ISSUES ARE LIKELY
  TO PERSIST THROUGH THE OVERNIGHT.

* FLOODING OF STREAMS...CREEKS AND SMALL RIVERS ARE POSSIBLE 
  WITH THE EXPECTED RAINFALL. ALSO...TEMPORARY STREET FLOODING 
  COULD OCCUR DUE TO POOR DRAINAGE AND CLOGGED STORM DRAINS 
  WHERE ANY HEAVY RAIN OCCURS. 

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.

&&

$$
695 
WGUS62 KFFC 230034
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
734 PM EST FRI JAN 22 2016



GAZ001>009-011>016-019>025-027-030>039-041>045-047-230145-
/O.CAN.KFFC.FA.A.0001.000000T0000Z-160123T1200Z/
/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-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-OGLETHORPE-WILKES-
HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-DEKALB-WALTON-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR
734 PM EST FRI JAN 22 2016

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF EAST CENTRAL GEORGIA...NORTH
CENTRAL GEORGIA...NORTHEAST GEORGIA AND NORTHWEST GEORGIA HAS
BEEN CANCELLED. RAIN HAS BEGUN TO TRANSITION TO SNOW ACROSS THE
AREA. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 3:40 AM ESTWind AdvisoryFFCCatoosa, Chattooga, Dade, Dawson, Fannin, Gilmer and 8 more28 hr
Jan 21, 4:17 AM ESTWinter Storm WarningFFCBanks, Catoosa, Dade, Dawson, Fannin, Gilmer and 12 more57 hr
Jan 21, 4:17 AM ESTWinter Weather AdvisoryFFCLumpkin, Towns, Union, White8 hr
Jan 21, 3:11 PM ESTWinter Weather AdvisoryFFCBarrow, Bartow, Butts, Carroll, Chattooga, Cherokee and 32 more46 hr

Nearby

Flood Watches in Georgia, 2016Every flood watch in 2016

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.