Alert archive / Georgia / Special Weather Statements in 2016

Special Weather Statement, NWS Atlanta, GA

August 16, 2016Catoosa County, Whitfield County, Georgia

NWS Atlanta, GA issued this special weather statement at Aug 16, 2016, 8:27 PM EDT for Catoosa County, Whitfield County, Georgia. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 16, 2016, 8:27 PM EDT (00:27 UTC)
Expired
Aug 16, 2016, 9:15 PM EDT
In force
48 min
Issued by
NWS Atlanta, GA

Counties Catoosa County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 104 km from the middle of the area, began a volume at 00:27 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, 0.5 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 2016-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1279 joules per kilogram.LCLLFCEL10008507005003002001001 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 2016-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 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
1279 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1268 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 16, 7:27 PM EDT, 1 hour earlier.

Area forecast discussion, Aug 16, 7:27 PM EDT, 1 hour before
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Hazardous weather outlook, Aug 16, 4:42 PM EDT, 3 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
442 PM EDT TUE AUG 16 2016

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-170845-
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-
442 PM EDT TUE AUG 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH AND CENTRAL GEORGIA.

.DAY ONE...TONIGHT...
ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED
ACROSS A LARGE PORTION OF THE AREA THROUGH LATE EVENING. MOST OF
THE ACTIVITY WILL BE FOCUSED ALONG AND WEST OF INTERSTATES 75 AND
85 IN NORTH AND WEST CENTRAL GEORGIA.

WEATHER HAZARDS EXPECTED...
GUSTY WINDS...HEAVY RAIN...AND FREQUENT LIGHTNING ARE POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
THERE IS A CHANCE OF THUNDERSTORMS EACH DAY. THE BEST CHANCES FOR
STORMS SHIFTS TO NORTH GEORGIA AS A FRONT SLOWLY SAGS TOWARD THE
STATE WEDNESDAY NIGHT. SOME OF THE STORMS WILL PRODUCE GUSTY
WINDS AND FREQUENT LIGHTNING. VERY HEAVY RAIN CAN ALSO BE EXPECTED
THAT COULD CAUSE MINOR FLOODING OF CREEKS AND STREAMS THURSDAY
THROUGH THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT.

In the hours before

Special weather statement, Aug 16, 4:55 PM EDT, 3 hours 32 minutes before
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Special weather statement, Aug 16, 4:57 PM EDT, 3 hours 30 minutes before
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Special weather statement, Aug 16, 5:19 PM EDT, 3 hours 8 minutes before
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Special weather statement, Aug 16, 6:00 PM EDT, 2 hours 27 minutes before
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Special weather statement, Aug 16, 7:22 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
722 PM EDT TUE AUG 16 2016

GAZ011-019-030-170000-
CHATTOOGA GA-POLK GA-FLOYD GA-
722 PM EDT TUE AUG 16 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CHATTOOGA...
NORTHWESTERN POLK AND SOUTHWESTERN FLOYD COUNTIES UNTIL 800 PM EDT...

AT 721 PM EDT...A STRONG THUNDERSTORM WAS NORTHWEST OF CAVE
SPRING...MOVING NORTH AT 5 MPH.

  HAZARD...UP TO 40 MPH WIND...FREQUENT CLOUD TO GROUND LIGHTNING
           AND HEAVY RAIN.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT
           MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF LIGHT...
           UNSECURED OBJECTS. LIGHTNING IS ONE OF NATURES LEADING
           KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE
           CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. ELECTRICAL
           APPLIANCES SHOULD NOT BE USED UNLESS IN AN EMERGENCY.
           MOTORISTS SHOULD SLOW DOWN AND BE PREPARED FOR POSSIBLE
           LOSS OF CONTROL DUE TO HYDROPLANING. ALSO...THE HEAVY
           RAIN MAY CAUSE TEMPORARY STREET FLOODING OR ROAD PONDING
           IN SLOW DRAINAGE AREAS.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
CAVE SPRING AND COOSA.

LAT...LON 3435 8540 3429 8519 3406 8523 3407 8542
      3433 8547
TIME...MOT...LOC 2321Z 184DEG 4KT 3415 8542
Special weather statement, Aug 16, 8:27 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
827 PM EDT TUE AUG 16 2016

GAZ002>004-170115-
CATOOSA GA-WHITFIELD GA-WALKER GA-
827 PM EDT TUE AUG 16 2016

...SIGNIFICANT WEATHER ADVISORY FOR CATOOSA...WHITFIELD AND EASTERN
WALKER COUNTIES UNTIL 915 PM EDT...

AT 827 PM EDT...A STRONG THUNDERSTORM WAS OVER DALTON...OR OVER
RINGGOLD...MOVING NORTHEAST AT 15 MPH.

  HAZARD...UP TO 40 MPH WIND...FREQUENT CLOUD TO GROUND LIGHTNING
           AND HEAVY RAIN.

  IMPACT...PEOPLE OUTDOORS SHOULD SEEK SHELTER IMMEDIATELY. EXPECT
           MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS. LIGHTNING IS ONE OF NATURE'S
           LEADING KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU
           ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. ELECTRICAL
           APPLIANCES SHOULD NOT BE USED UNLESS IN AN EMERGENCY.
           MOTORISTS SHOULD SLOW DOWN AND BE PREPARED FOR POSSIBLE
           LOSS OF CONTROL DUE TO HYDROPLANING. ALSO...THE HEAVY
           RAIN MAY CAUSE TEMPORARY STREET FLOODING OR ROAD PONDING
           IN SLOW DRAINAGE AREAS. WHEN WATER COVERS THE
           ROAD...REMEMBER TO TURN AROUND DON'T DROWN.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE
DALTON...RINGGOLD...VARNELL...TUNNEL HILL...COHUTTA...ROCKY FACE...
BEAUMONT...MILL CREEK...BEAVERDALE...WOOD STATION...RED CLAY S.P. AND
APISON.

LAT...LON 3499 8481 3497 8481 3494 8484 3492 8484
      3466 8504 3477 8525 3499 8511
TIME...MOT...LOC 0027Z 215DEG 12KT 3481 8509

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 12:49 AM EDTSpecial Weather StatementFFCBartow26 min
Aug 17, 12:57 AM EDTSpecial Weather StatementFFCSchley33 min
Aug 17, 1:46 AM EDTSpecial Weather StatementFFCFloyd29 min
Aug 17, 2:32 AM EDTSpecial Weather StatementFFCForsyth28 min
Aug 17, 2:56 AM EDTSpecial Weather StatementFFCForsyth34 min
Aug 17, 3:29 AM EDTSpecial Weather StatementFFCHall31 min
Aug 17, 4:04 PM EDTSpecial Weather StatementFFCHouston26 min
Aug 17, 4:27 PM EDTSpecial Weather StatementFFCBaldwin33 min
Aug 17, 5:02 PM EDTSpecial Weather StatementFFCHancock28 min
Aug 17, 5:55 PM EDTSpecial Weather StatementFFCDouglas35 min
Aug 17, 7:23 PM EDTSpecial Weather StatementFFCButts, Jasper37 min
Aug 17, 7:33 PM EDTSpecial Weather StatementFFCOconee27 min
Aug 17, 7:34 PM EDTSpecial Weather StatementFFCClarke26 min
Aug 17, 7:37 PM EDTSpecial Weather StatementFFCCatoosa, Whitfield23 min

Nearby

Special Weather Statements in Georgia, 2016Every special weather statement 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.