Alert archive / Georgia / Areal Flood Warnings in 2013

Areal Flood Warning 3, NWS Atlanta, GA

February 24, 2013Crisp County, Georgia

NWS Atlanta, GA issued this areal flood warning at Feb 24, 2013, 12:15 AM EST for Crisp County, Georgia. It was in force for 6 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
Feb 24, 2013, 12:15 AM EST (05:15 UTC)
Expired
Feb 24, 2013, 6:15 AM EST
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

County Crisp County, GA

The radar

The Robins AFB radar (KJGX), 92 km from the middle of the area, began a volume at 05:17 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, 5.3 hours before the alert went out and 175 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 00:00Z on 2013-02-24Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2013-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -86 square meters per square second.1939587897117136Sfc1 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
534 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-86 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Feb 23, 9:49 PM EST, 2 hours 26 minutes earlier.

Area forecast discussion, Feb 23, 9:49 PM EST, 2 hours 26 minutes before
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Hazardous weather outlook, Feb 23, 9:41 PM EST, 2 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
941 PM EST SAT FEB 23 2013

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-250245-
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-
941 PM EST SAT FEB 23 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...TONIGHT...

...PATCHY DENSE FOG EXPECTED ALONG WITH AREAS OF FLOODING POSSIBLE TONIGHT...

WEATHER HAZARDS EXPECTED...
PATCHY DENSE FOG IS EXPECTED THROUGH SUNDAY MORNING ACROSS NORTH
AND CENTRAL GEORGIA. DENSE FOG WILL RESTRICT VISIBILITIES TO AT
LEAST A QUARTER MILE...AND DRIVERS ARE URGED TO USE CAUTION...SLOW
DOWN...AND LEAVE PLENTY OF DISTANCE BETWEEN VEHICLES.

ADDITIONAL RAINFALL THIS AFTERNOON AND EVENING ACROSS CENTRAL
GEORGIA CONTINUES TO RESULT IN RISING RIVERS AND CREEKS. THOUGH
PONDING OF WATER OF ROADWAYS SHOULD BE ABLE TO DRAIN...RISING
RIVERS AND CREEKS REMAIN TO BE A CONCERN.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

...SEVERE THUNDERSTORMS AND FLOODING POSSIBLE MONDAY...

DISCUSSION...
FLOODING AND FLASH FLOODING WILL BE POSSIBLE MONDAY AND MONDAY NIGHT
AS A STRONG STORM SYSTEM MOVES TOWARD THE STATE. AT THIS
TIME...ANOTHER 2 TO 3 INCHES OF RAIN APPEARS LIKELY OVER MIDDLE
GEORGIA RESULTING IN ADDITIONAL RISES ON AREA CREEKS AND RIVERS.
SEVERE THUNDERSTORMS WILL ALSO BE POSSIBLE MAINLY OVER CENTRAL
GEORGIA ON MONDAY AFTERNOON AND MONDAY NIGHT. AT THIS TIME...
INSTABILITY IS NOT FORECAST TO BE VERY HIGH AS THE COLD...SLOW
MOVING AIRMASS WILL BE TOUGH TO ERODE. HOWEVER...WITH STRONG
VERTICAL WIND SHEAR AND FORCING...THERE MAY BE ENOUGH INSTABILITY
FOR A FEW SEVERE STORMS TO DEVELOP CAPABLE OF DAMAGING WIND OR
ISOLATED TORNADOES. THE MOST LIKELY TIME FOR ANY SEVERE STORMS WOULD
BE FROM 4 PM TO 4 AM.

.SPOTTER INFORMATION STATEMENT...

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

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 10:44 PM ESTRiver Flood WarningFFCTroup11 hr
Feb 24, 2:04 AM ESTDense Fog AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more7 hr
Feb 24, 3:50 AM ESTFlood WatchFFCBaldwin, Banks, Barrow, Bibb, Bleckley, Butts and 69 more58 hr
Feb 24, 7:40 AM ESTRiver Flood WarningFFCPulaski14 hr

Nearby

Areal Flood Warnings in Georgia, 2013Every areal flood warning in 2013

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.