Alert archive / Georgia / Special Weather Statements in 2015

Special Weather Statement, NWS Atlanta, GA

April 1, 2015Coweta County, Georgia

NWS Atlanta, GA issued this special weather statement at Apr 1, 2015, 2:00 AM EDT for Coweta County, Georgia. It was in force for 30 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
Apr 1, 2015, 2:00 AM EDT (06:00 UTC)
Expired
Apr 1, 2015, 2:30 AM EDT
In force
30 min
Issued by
NWS Atlanta, GA

County Coweta County, GA

The radar

The Atlanta radar (KFFC), 26 km from the middle of the area, began a volume at 06:02 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

Nashville Metro, TN (KBNA), launched 00:00Z, 6.0 hours before the alert went out and 338 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, Nashville Metro, TN at 00:00Z on 2015-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Nashville Metro, TN at 00:00Z on 2015-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.19395878Sfc1 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
6 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
2647 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Apr 1, 1:42 AM EDT, 18 minutes earlier.

Area forecast discussion, Apr 1, 1:42 AM EDT, 18 minutes before
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Hazardous weather outlook, Mar 31, 11:23 PM EDT, 2 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1123 PM EDT TUE MAR 31 2015

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-020330-
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-
1123 PM EDT TUE MAR 31 2015

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

.DAY ONE...TONIGHT...

..SCATTERED THUNDERSTORMS WILL GRADUALLY DIMINISH TONIGHT...

WEATHER HAZARDS EXPECTED...
SMALL HAIL...GUSTY WINDS...AND LIGHTNING.

DISCUSSION...
ONGOING SCATTERED SHOWERS AND THUNDERSTORMS WILL TEND TO GRADUALLY
DIMINISH IN COVERAGE AND INTENSITY TONIGHT THROUGH EARLY WEDNESDAY
MORNING. STRONGER STORMS MAY BRIEFLY PRODUCE SMALL HAIL...GUSTY
WINDS...LIGHTNING...AND HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
A SERIES OF UPPER LEVEL DISTURBANCES COMBINED WITH MARGINAL
INSTABILITY DURING THE DAYTIME HEATING WILL ALLOW FOR A CHANCE OF
THUNDERSTORMS ACROSS PARTS OF THE AREA EACH DAY THIS WEEK WITH
THURSDAY AND FRIDAY HAVING THE HIGHEST CHANCES. STRONG GUSTY WINDS
AND FREQUENT LIGHTNING WILL BE POSSIBLE IN THUNDERSTORMS THAT
DEVELOP.

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

In the hours before

Special weather statement, Apr 1, 12:09 AM EDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1209 AM EDT WED APR 1 2015

GAZ030-031-041-042-010500-
PAULDING GA-CARROLL GA-HARALSON GA-POLK GA-
1209 AM EDT WED APR 1 2015

...SIGNIFICANT WEATHER ADVISORY FOR PEA SIZED HAIL AND 35 MPH WINDS
IN PAULDING...CARROLL...HARALSON AND POLK COUNTIES UNTIL 100 AM
EDT...

AT 1208 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CEDARTOWN...MOVING EAST SOUTHEAST AT 35 MPH.

WIND GUSTS OF 35 MPH AND PEA SIZED HAIL ARE LIKELY WITH THIS STORM
AS THIS STORM MOVES ACROSS PAULDING...CARROLL...HARALSON AND POLK
COUNTIES THROUGH 100 AM EDT.

SOME LOCATIONS IN THE PATH OF THE STORM INCLUDE
DALLAS...CEDARTOWN...BUCHANAN...VILLA RICA...BREMEN...TEMPLE...
ROCKMART...TALLAPOOSA...ARAGON...BRASWELL...YORKVILLE...ESOM HILL...
ETNA...VAN WERT...EUBANK LAKE...FISH CREEK...FELTON...DRAKETOWN...
ANTIOCH AND NEW GEORGIA.

LAT...LON 3408 8521 3401 8477 3364 8499 3387 8538
      3400 8541 3401 8541
TIME...MOT...LOC 0408Z 289DEG 33KT 3395 8521
Special weather statement, Apr 1, 12:12 AM EDT, 1 hour 48 minutes before
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Local storm report, Apr 1, 12:54 AM EDT, 1 hour 6 minutes before
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Special weather statement, Apr 1, 1:00 AM EDT, 1 hour before
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Special weather statement, Apr 1, 1:31 AM EDT, 29 minutes before
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Special weather statement, Apr 1, 2:00 AM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 8:04 PM EDTSpecial Weather StatementFFCBibb26 min
Mar 31, 8:13 PM EDTSpecial Weather StatementFFCBibb32 min
Mar 31, 8:25 PM EDTSpecial Weather StatementFFCBibb, Crawford35 min
Mar 31, 8:30 PM EDTSpecial Weather StatementFFCTwiggs, Wilkinson30 min
Mar 31, 8:36 PM EDTSpecial Weather StatementFFCHouston24 min
Mar 31, 8:41 PM EDTSevere Thunderstorm WarningFFCBleckley, Dodge, Laurens49 min
Mar 31, 8:45 PM EDTSpecial Weather StatementFFCMeriwether30 min
Mar 31, 8:59 PM EDTSpecial Weather StatementFFCHouston31 min
Mar 31, 9:16 PM EDTSevere Thunderstorm WarningFFCBleckley, Dodge, Houston, Pulaski44 min
Mar 31, 9:30 PM EDTSpecial Weather StatementFFCMontgomery, Wheeler30 min
Mar 31, 9:35 PM EDTSpecial Weather StatementFFCCoweta, Fayette25 min
Mar 31, 9:37 PM EDTSpecial Weather StatementFFCTowns23 min
Mar 31, 9:59 PM EDTSpecial Weather StatementFFCSpalding31 min
Mar 31, 10:07 PM EDTSevere Thunderstorm WarningFFCMontgomery, Telfair, Toombs, Wheeler38 min
Mar 31, 10:12 PM EDTSpecial Weather StatementFFCHaralson33 min
Mar 31, 10:47 PM EDTSpecial Weather StatementFFCCarroll28 min
Mar 31, 11:55 PM EDTSpecial Weather StatementFFCSpalding35 min
Apr 1, 12:09 AM EDTSpecial Weather StatementFFCHaralson, Paulding, Polk51 min
Apr 1, 12:12 AM EDTSpecial Weather StatementFFCButts, Jasper, Lamar, Monroe48 min
Apr 1, 1:00 AM EDTSpecial Weather StatementFFCCarroll, Douglas, Haralson30 min
Apr 1, 1:31 AM EDTSpecial Weather StatementFFCCarroll, Douglas, Haralson29 min

Nearby

Special Weather Statements in Georgia, 2015Every special weather statement in 2015

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.