Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 270, NWS Greenville-Spartanburg, SC

July 1, 2007Elbert County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 1, 2007, 2:44 PM EDT for Elbert 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 1, 2007, 2:44 PM EDT (18:44 UTC)
Expired
Jul 1, 2007, 3:15 PM EDT
In force
31 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Elbert County, GA

The radar

The Greer radar (KGSP), 112 km from the middle of the area, began a volume at 18:45 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.7 hours before the alert went out and 178 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 2007-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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 12:00Z on 2007-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
34 J/kg
Mixed-layer CIN
-220 J/kg
Mixed-layer LCL
1436 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
30 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.

000 
WUUS52 KGSP 011844
SVRGSP
GAC105-011915-
/O.NEW.KGSP.SV.W.0270.070701T1844Z-070701T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
244 PM EDT SUN JUL 1 2007

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ELBERT COUNTY IN NORTHEAST GEORGIA

* UNTIL 315 PM EDT

* AT 240 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 10 MILES SOUTHEAST OF
  ELBERTON...OR ABOUT NEAR FORTSONIA...AND WAS MOVING SOUTHEAST AT 10
  MPH.

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEEK SHELTER INDOORS AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM PASSES.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3411 8272 3401 8290 3374 8273 3386 8250

$$

07
2 follow-up statements
000 
WWUS52 KGSP 011902
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
302 PM EDT SUN JUL 1 2007

GAC105-011915-
/O.CON.KGSP.SV.W.0270.000000T0000Z-070701T1915Z/
ELBERT GA-
302 PM EDT SUN JUL 1 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHEASTERN ELBERT COUNTY...

AT 257 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 5 MILES
SOUTHEAST OF FORTSONIA...OR ABOUT 13 MILES SOUTHEAST OF ELBERTON...
MOVING SOUTHEAST AT 10 MPH.

LAT...LON 3411 8272 3401 8290 3374 8273 3386 8250

$$

07
000 
WWUS52 KGSP 011911
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
311 PM EDT SUN JUL 1 2007

GAC105-011921-
/O.EXP.KGSP.SV.W.0270.000000T0000Z-070701T1915Z/
ELBERT GA-
311 PM EDT SUN JUL 1 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ELBERT COUNTY
EXPIRES AT 315 PM EDT...

THE STORM HAS MOVED OUT OF THE COUNTY.

LAT...LON 3411 8272 3401 8290 3374 8273 3386 8250

$$

07

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 11:24 AM EDT, 3 hours 20 minutes earlier.

Area forecast discussion, Jul 1, 11:24 AM EDT, 3 hours 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1124 AM EDT SUN JUL 1 2007

.SYNOPSIS...
A COLD FRONT WILL STALL OUT ACROSS THE MIDLANDS AND BECOME THE FOCUS
OF SHOWERS AND THUNDERSTORMS SUNDAY. MEANWHILE...COOLER AND DRIER
AIR WILL MOVE IN FROM THE NORTH AS HIGH PRESSURE BUILDS SOUTH DOWN
THE ATLANTIC COAST FOR MONDAY AND TUESDAY. THE HIGH MOVES OFF THE
ATLANTIC SEABOARD TUESDAY NIGHT...AS LOW PRESSURE TRACKS THROUGH THE
GREAT LAKES.

&&

.NEAR TERM /THROUGH TONIGHT/...
RECENT OBSERVATIONS SHOW DEWPOINTS FALLING ACROSS THE
CWA...ESPECIALLY ACROSS THE I-40 CORRIDOR. 12Z SFC ANALYSIS
INDICATES THAT THE FRONT HAS PUSHED SOUTH OF THE CWA. SREF CAPE
FIELDS SHOW LITTLE TO KNOW CHC FOR 1000 J/KG OR GREATER NORTH OF THE
SAVANNAH RIVER VALLEY. IT APPEARS THAT JUST GENERAL TSRA ACTIVITY
MAY DEVELOP WITHIN THE SAVANNAH RIVER VALLEY AND THE EASTERN SLOPES
ALONG THE NC/SC STATE LINE. ELSEWHERE...I WILL NOT ADVERTISE ANY
SHRA/TSRA. THE CURRENT FORECAST IS IN GOOD SHAPE...LITTLE CHANGE
NEEDED. I WILL UPDATE FOR OBSERVATIONS AND FORECAST TRENDS IN SKY
AND TEMP.

&&

.SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/...
MONDAY...SFC HIGH PRESSURE BUILDS IN ACROSS MUCH OF THE EASTERN
CONUS...WITH RIDGING TAKING PLACE EAST OF THE APPALACHIANS. THE COLD
FRONT WILL BE SITUATED SOUTH OF THE CWFA...WITH EASTERLY LOW LEVEL
FLOW SETTING UP. LATEST GFS SHOWS MORE MOISTURE POOLING UP ALONG THE
MTNS THAN THE NAM. RESPECTIVELY...THE GFS HAS MORE INSTABILITY IN
THE MTN ZONES. HAVE ADJUSTED POP FOR MONDAY AFTN UP A BIT...WHICH IS
A COMPROMISE BETWEEN THE MAV AND MET MOS GUIDANCE. WITH ALL THE
MOISTURE AND CLOUD COVER ADVERTISED BY THE GFS...MAV MAX
TEMPERATURES ARE QUITE LOW (80 F AT GSP AND CLT). ONLY TRENDED TEMPS
DOWN A COUPLE DEG FOR NOW...WHICH IS ALREADY A FEW DEG BELOW NORMAL
(LOWER TO MID 80S).

MONDAY NIGHT THROUGH TUESDAY NIGHT...SKIES RAPIDLY CLEAR OUT WITH
MIN TEMPS DROPPING INTO THE LOWER TO MID 60S (50S IN MTNS). LOW
LEVEL THICKNESSES INCREASE TUESDAY...WITH TEMPS LOOKING TO BE
GENERALLY 5 DEG F WARMER THAN MONDAY. SFC RIDGE AXIS WILL BE
ORIENTED E-W ACROSS CWFA...AND CAPE LOOKS LIMITED TO JUST THE HIGH
TERRAIN. LEFT SLIGHT CHC POP FOR THE MTNS ONLY.

&&

.LONG TERM /WEDNESDAY THROUGH SATURDAY/...
LITTLE CHANGE IN THE 00Z/01 MODEL GUIDANCE FOR THE EXTENDED PERIOD.
A HIGH AMPLITUDE PATTERN WILL PERSIST...WITH A LARGE WESTERN
RIDGE...AND AN EASTERN TROUGH. UNDER NORTHWEST FLOW ALOFT...A COLD
FRONT IS FCST TO ENTER THE CWFA THURSDAY NIGHT AND SLOW DOWN AS IT
CROSSES THE WESTERN CAROLINAS AND VICINITY. INHERITED POP/WX GRIDS
LOOK GOOD. TEMPS STILL LOOK TO BE AT OR A FEW DEGREES F ABOVE NORMAL
FROM THURSDAY INTO THE WEEKEND...WITH A DECENT CHC OF AFTN SHOWERS
AND TSTMS.

&&

.AVIATION /16Z SUNDAY THROUGH THURSDAY/...
PATCHY MVFR FOG SHOULD END AROUND 13Z. MODEL CONSENSUS STILL SHOWS
VFR CONDITIONS TODAY...WITH THE BEST CHC OF CONVECTION NEAR THE SC
AND KAVL TAF SITES. HAVE ONLY INCLUDED CB FOR NOW GIVEN THE POP IS
MUCH LOWER THAN PREVIOUS DAYS. MDLS STILL SHOW GOOD LOW LEVEL
MOISTURE AND SELY UPSLOPE FLOW OVERNIGHT. EXPECT VFR CIGS TO DEVELOP
AS MDLS SHOW MOISTURE AROUND THE 800 MB LEVEL. NORTH TO NORTHEAST
WINDS EXPECTED TODAY WITH SOME BRIEF GUSTINESS WITH MIXING THIS
MORNING. WITH THE VFR CIGS AND LOWER DEW POINTS TONIGHT...FOG
CHANCES ARE ALSO LOWER THAN THE PREVIOUS FEW DAYS. DO NOT HAVE ANY
VSBY RESTRICTIONS AFTER THIS MORNING/S FOG DISSIPATES.

AVIATION OUTLOOK...CONVECTION WILL BE LIMITED TO THE MOUNTAINS
MONDAY THROUGH WEDNESDAY AS AN EASTERLY FLOW BANKS MOISTURE UP
AGAINST HIGHER TERRAIN. RELATIVE HUMIDITY RECOVERY WILL BE
SUFFICIENT EACH NIGHT FOR FOG PRODUCTION...HOWEVER WINDS MAY REMAIN
UP ENOUGH IN THE LEE OF THE MOUNTAINS TO PRECLUDE FOG AT SOME
LOCATIONS.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.

&&

SYNOPSIS...ARK
NEAR TERM...NED
SHORT TERM...ARK
LONG TERM...ARK
AVIATION...RWH
Hazardous weather outlook, Jul 1, 5:00 AM EDT, 9 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
500 AM EDT SUN JUL 1 2007

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-020900-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
500 AM EDT SUN JUL 1 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ARK

In the hours before

Special weather statement, Jul 1, 1:24 PM EDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
124 PM EDT SUN JUL 1 2007

GAZ010-SCZ001-011815-
OCONEE MOUNTAINS-RABUN-
124 PM EDT SUN JUL 1 2007

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN RABUN AND WESTERN
OCONEE COUNTIES THROUGH 215 PM EDT...

AT 124 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TALLULAH FALLS...OR 8 MILES SOUTH OF
CLAYTON...MOVING SOUTHEAST AT 5 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LAKE
  RABUN...TIGER...LAKEMONT...CLAYTON AND LONG CREEK.

SMALL HAIL...WIND GUSTS OF 30 TO 40 MPH...AND HEAVY RAIN ARE
EXPECTED WITH THIS STORM.

BSH
Special weather statement, Jul 1, 1:33 PM EDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
133 PM EDT SUN JUL 1 2007

GAZ010-011815-
RABUN-
133 PM EDT SUN JUL 1 2007

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL RABUN COUNTY THROUGH 215
PM EDT...

AT 133 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF MOUNTAIN CITY...OR 3 MILES
NORTHWEST OF CLAYTON...MOVING SOUTHEAST AT 10 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO TIGER...SKY
  VALLEY...MOUNTAIN CITY...LAKEMONT...DILLARD AND CLAYTON.

SMALL HAIL...WIND GUSTS OF 30 TO 40 MPH...AND HEAVY RAINFALL ARE
EXPECTED WITH THIS STORM.

BSH
Local storm report, Jul 1, 2:15 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
215 PM EDT SUN JUL 01 2007

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

0209 PM     HAIL             LAKEMONT                34.78N 83.42W
07/01/2007  E1.75 INCH       RABUN              GA   COUNTY OFFICIAL

0209 PM     TSTM WND DMG     LAKEMONT                34.78N 83.42W
07/01/2007                   RABUN              GA   COUNTY OFFICIAL

            SEVERAL TREES AND POWER LINES DOWN.

&&

NED
Special weather statement, Jul 1, 2:21 PM EDT, 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
221 PM EDT SUN JUL 1 2007

NCZ065-011845-
HENDERSON-
221 PM EDT SUN JUL 1 2007

...A STRONG THUNDERSTORM WILL AFFECT HENDERSON COUNTY THROUGH 245 PM
EDT...

AT 221 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF HENDERSONVILLE...MOVING EAST AT
10 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO FLAT
  ROCK...TUXEDO...MOUNTAIN HOME...MILLS RIVER...HENDERSONVILLE...
  ETOWAH...EAST FLAT ROCK AND DANA.

SMALL HAIL...WIND GUSTS OF 30 TO 40 MPH...AND HEAVY RAIN ARE
EXPECTED WITH THIS STORM.

BSH
Special weather statement, Jul 1, 2:33 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
233 PM EDT SUN JUL 1 2007

SCZ010-011900-
ANDERSON-
233 PM EDT SUN JUL 1 2007

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN ANDERSON COUNTY THROUGH
300 PM EDT...

AT 233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES EAST OF PENDLETON...OR 6 MILES EAST OF
CLEMSON...MOVING EAST AT 5 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO SANDY
  SPRINGS AND PENDLETON.

SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

BSH
Special weather statement, Jul 1, 2:37 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
237 PM EDT SUN JUL 1 2007

SCZ001-004-011900-
GREATER OCONEE-OCONEE MOUNTAINS-
237 PM EDT SUN JUL 1 2007

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN OCONEE COUNTY THROUGH
300 PM EDT...

AT 237 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHWEST OF WESTMINSTER...OR 11 MILES
SOUTH OF WALHALLA...MOVING SOUTHEAST AT 10 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO
  WESTMINSTER...WALHALLA...TOWNVILLE...SENECA...OAKWAY AND FAIR PLAY.

SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

BSH

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 1, 1:49 PM EDTSevere Thunderstorm WarningGSPRabun56 min
Jul 1, 2:05 PM EDTSevere Thunderstorm WarningGSPHabersham55 min
Jul 1, 2:14 PM EDTSevere Thunderstorm WarningGSPStephens61 min
Jul 1, 3:09 PM EDTSevere Thunderstorm WarningGSPFranklin66 min
Jul 1, 3:15 PM EDTSevere Thunderstorm WarningGSPStephens30 min
Jul 1, 4:27 PM EDTSevere Thunderstorm WarningGSPElbert63 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2007Every severe thunderstorm warning in 2007

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.