Alert archive / Georgia / Special Weather Statements in 2013

Special Weather Statement, NWS Atlanta, GA

July 9, 2013Madison County, Georgia

NWS Atlanta, GA issued this special weather statement at Jul 9, 2013, 12:59 AM EDT for Madison County, Georgia. It was in force for 31 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: Jul 9, 2013, 12:59 AM EDT (04:59 UTC)
Expired: Jul 9, 2013, 1:30 AM EDT
In force: 31 min
Issued by: NWS Atlanta, GA

County Madison County, GA

The radar

The Greer radar (KGSP), 112 km from the middle of the area, began a volume at 04:59 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, 5.0 hours before the alert went out and 157 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1827 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1137 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: -3 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 Jul 8, 11:32 PM EDT, 1 hour 27 minutes earlier.

Area forecast discussion, Jul 8, 11:32 PM EDT, 1 hour 27 minutes before

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Hazardous weather outlook, Jul 8, 12:30 PM EDT, 12 hours 29 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1230 PM EDT MON JUL 8 2013

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-091630-
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-
1230 PM EDT MON JUL 8 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

SIGNIFICANT MOISTURE CONTINUES ACROSS THE STATE WITH SHOWERS AND
ISOLATED THUNDERSTORMS EXPECTED AGAIN TODAY. THE GROUND ACROSS THE
AREA IS SATURATED AND ADDITIONAL HEAVY RAIN CAN LEAD TO FLOODING
OR FLASH FLOODING. RESIDENTS ARE URGED NOT TO LET THEIR GUARD
DOWN DURING THIS PERIOD OF PROLONGED RAINFALL.

WEATHER HAZARDS EXPECTED...

PERIODS OF MODERATE TO LOCALLY HEAVY RAINFALL TODAY MAY LEAD TO
ADDITIONAL FLASH FLOODING AND RIVER FLOODING. RAINFALL AMOUNTS
AVERAGING AROUND AT LEAST A HALF INCH CAN BE EXPECTED ACROSS THE
AREA. LOCALLY HIGHER AMOUNTS OF RAINFALL ARE POSSIBLE WHERE STORMS
REPEATEDLY TRACK. WHILE THIS AMOUNT OF RAIN IS NOT PARTICULARLY
HIGH...SOILS ARE EXTREMELY SATURATED AND RIVER LEVELS ARE
HIGH...THUS IT WILL NOT TAKE MUCH TO PRODUCE ADDITIONAL FLOODING.

THUNDERSTORMS WILL PRODUCE OCCASIONAL LIGHTNING AND WIND GUSTS TO
UP TO 40 MPH. WITH SATURATED SOILS...IT WILL NOT TAKE MUCH WIND TO
DOWN TREES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

ALTHOUGH THE RAINFALL THROUGH THE WEEK AND INTO THIS WEEKEND WILL
NOT BE AS PROLONGED OR WIDESPREAD AS WHAT WE SAW LAST WEEK...THERE
WILL STILL BE PERIODS OF MODERATE TO HEAVY RAINFALL IN SHOWERS AND
THUNDERSTORMS. THIS IS ESPECIALLY THE CASE ON THURSDAY AFTERNOON
AS A FRONT MOVES INTO THE STATE. NORTH GEORGIA WILL AGAIN HAVE THE
BEST CHANCES FOR ADDITIONAL RAINFALL AND THERE IS SOME CONCERN
THAT ACCUMULATING HIGH RAINFALL TOTALS MAY LEAD TO MORE
SIGNIFICANT FLOODING ACROSS THE AREA. PERSONS PLANNING OUTDOOR
ACTIVITIES FOR THE NEXT SEVERAL DAYS SHOULD MONITOR THE LATEST
FORECASTS.

.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, Jul 8, 8:03 PM EDT, 4 hours 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
803 PM EDT MON JUL 8 2013

GAZ097-098-090045-
803 PM EDT MON JUL 8 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN TREUTLEN AND
LAURENS COUNTIES UNTIL 845 PM EDT...

AT 800 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER LOWERY...MOVING NORTHWEST AT 15 MPH.

RAINFALL AMOUNTS BETWEEN 1 AND 2 INCHES CAN BE EXPECTED ACROSS
TREUTLEN AND LAURENS COUNTIES...INCLUDING AREAS AROUND
ORIANNA...ORLAND...ROCKLEDGE...MINTER...LOWERY...EAST
DUBLIN...RENTZ...DUBLIN...HARLOW...MONTROSE...DUDLEY AND DEXTER.
DRIVERS SHOULD USE CAUTION AS INTENSE RAINFALL WILL REDUCE
VISIBILITIES. PONDING OF WATER ON ROADWAYS IS ALSO LIKELY.

THE HIGH RAIN TOTALS SEEN THUS FAR THIS SEASON HAS RESULTED IN
PERSISTENT WET SOILS FOR AREA TREES. THIS WILL ALLOW THESE TREES TO
FALL DUE TO WINDS MUCH LOWER THAN IN A TYPICAL SEASON...AS LOW AS 30
MPH IN SOME CASES.

&&

LAT...LON 3241 8312 3258 8321 3267 8300 3245 8258
      3232 8268
TIME...MOT...LOC 0003Z 114DEG 11KT 3242 8285

Special weather statement, Jul 8, 8:42 PM EDT, 4 hours 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
842 PM EDT MON JUL 8 2013

GAZ022-090200-
842 PM EDT MON JUL 8 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN FORSYTH COUNTY
UNTIL 1000 PM EDT...

AT 840 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
PERSISTENT THUNDERSTORM OVER MATT THE THUNDERSTORM WAS NEARLY
STATIONARY. UP TO 1.25 INCHES HAVE FALLEN OVER THE LAST HOUR WITH
THIS STORM.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
FORSYTH COUNTY...INCLUDING AREAS AROUND BROOKWOOD...HIGHTOWER...
CUMMING...DREW...DUCKTOWN...MATT...COAL MOUNTAIN...OSCARVILLE AND
CHESTATEE. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS
OF CREEKS AND STREAMS ARE SUBJECT TO MINOR FLOODING.

&&

LAT...LON 3430 8393 3424 8395 3423 8397 3422 8396
      3419 8399 3419 8405 3415 8409 3407 8412
      3405 8410 3406 8415 3411 8426 3433 8426
      3433 8396
TIME...MOT...LOC 0041Z 225DEG 1KT 3428 8414

Special weather statement, Jul 8, 8:46 PM EDT, 4 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
846 PM EDT MON JUL 8 2013

GAZ023-090145-
846 PM EDT MON JUL 8 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN HALL COUNTY UNTIL
945 PM EDT...

AT 839 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SLOW MOVING THUNDERSTORM OVER GAINESVILLE...MOVING NORTHEAST AT 5
MPH.  DOPPLER RADAR HAS INDICATED THAT 1.5 INCHES OF RAIN HAS FALLEN
IN THE LAST HOUR FROM THIS STORM.

RUNOFF FROM THESE STORMS WILL CAUSE MINOR FLOODING OF SMALL CREEKS
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES ACROSS
HALL COUNTY...INCLUDING AREAS AROUND CANDLER...ROAD ATLANTA-LANIER
SPEEDWAY...GAINESVILLE AND GILLSVILLE. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS ARE SUBJECT TO
MINOR FLOODING.

THE HIGH RAIN TOTALS SEEN THUS FAR THIS SEASON HAS RESULTED IN
PERSISTENT WET SOILS FOR AREA TREES. THIS WILL ALLOW THESE TREES TO
FALL DUE TO WINDS MUCH LOWER THAN IN A TYPICAL SEASON...AS LOW AS 30
MPH IN SOME CASES.

&&

LAT...LON 3440 8366 3436 8367 3434 8365 3432 8365
      3430 8362 3414 8381 3419 8393 3424 8395
      3428 8394 3428 8393 3432 8393 3448 8387
      3449 8385
TIME...MOT...LOC 0045Z 212DEG 5KT 3429 8377

Special weather statement, Jul 8, 9:42 PM EDT, 3 hours 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
942 PM EDT MON JUL 8 2013

GAZ007-013-014-090230-
942 PM EDT MON JUL 8 2013

...SIGNIFICANT WEATHER ADVISORY FOR HEAVY RAIN IN PICKENS...DAWSON
AND GILMER COUNTIES UNTIL 1030 PM EDT...

AT 935 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER MARBLEHILL THE THUNDERSTORM WAS NEARLY
STATIONARY.

RAINFALL AMOUNTS BETWEEN 1 TO 2 INCHES CAN BE EXPECTED ACROSS
PICKENS...DAWSON AND GILMER COUNTIES...INCLUDING AREAS AROUND
MARBLEHILL...TATE...JASPER...LAKE TAMARACK...FAUSETT LAKE AND
SEQUOYAH LAKE. DRIVERS SHOULD USE CAUTION AS INTENSE RAINFALL WILL
REDUCE VISIBILITIES. PONDING OF WATER ON ROADWAYS IS ALSO LIKELY.

THE HIGH RAIN TOTALS SEEN THUS FAR THIS SEASON HAS RESULTED IN
PERSISTENT WET SOILS FOR AREA TREES. THIS WILL ALLOW THESE TREES TO
FALL DUE TO WINDS MUCH LOWER THAN IN A TYPICAL SEASON...AS LOW AS 30
MPH IN SOME CASES.

&&

LAT...LON 3461 8437 3461 8426 3438 8425 3439 8447
TIME...MOT...LOC 0142Z 191DEG 2KT 3446 8434

Local storm report, Jul 8, 10:58 PM EDT, 2 hours 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1058 PM EDT MON JUL 08 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0945 PM     FLASH FLOOD      GAINESVILLE             34.30N 83.83W
07/08/2013                   HALL               GA   911 CALL CENTER

            HALL COUNTY 911 RELAYED A REPORT OF NUMEROUS ROADS UNDER
            WATER AND A FEW CARS THAT HAD STALLED OUT IN THE WATER AS
            WELL IN THE GAINESVILLE AREA.

&&

AGIBBS

Special weather statement, Jul 9, 12:59 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:03 PM EDT	Special Weather Statement	FFC	Laurens	42 min
Jul 8, 8:42 PM EDT	Special Weather Statement	FFC	Forsyth	78 min
Jul 8, 8:46 PM EDT	Special Weather Statement	FFC	Hall	59 min
Jul 8, 8:59 PM EDT	Flash Flood Warning	FFC	Forsyth, Hall	6 hr
Jul 8, 9:42 PM EDT	Special Weather Statement	FFC	Pickens	48 min
Jul 8, 9:49 PM EDT	Flash Flood Warning	FFC	Dawson, Pickens	6 hr
Jul 8, 11:18 PM EDT	River Flood Warning	FFC	Gordon, Murray, Whitfield	31 hr
Jul 9, 1:29 AM EDT	Special Weather Statement	FFC	Madison	31 min
Jul 9, 5:32 PM EDT	Flash Flood Warning	FFC	Carroll	3 hr
Jul 9, 5:44 PM EDT	Special Weather Statement	FFC	Hall	46 min
Jul 9, 7:55 PM EDT	Special Weather Statement	FFC	Spalding	35 min

Nearby

Special Weather Statements in Georgia, 2013 Every special weather statement 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.