Alert archive / Georgia / Red Flag Warnings in 2007
Red Flag Warning 18, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this red flag warning at Apr 30, 2007, 3:04 AM EDT for 6 counties in Georgia. It took effect at Apr 30, 2007, 11:00 AM EDT. It was in force for 11 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
- Apr 30, 2007, 3:04 AM EDT (07:04 UTC)
- In effect from
- Apr 30, 2007, 11:00 AM EDT
- Expired
- Apr 30, 2007, 9:41 PM EDT
- In force
- 11 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA
The radar
The Greer radar (KGSP), 101 km from the middle of the area, began a volume at 07:01 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, 7.1 hours before the alert went out and 172 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2599 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KGSP 300704 RFWGSP RED FLAG WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 304 AM EDT MON APR 30 2007 GAZ026-028-029-010000- /O.NEW.KGSP.FW.W.0018.070430T1500Z-070501T0000Z/ FRANKLIN-HART-ELBERT- 304 AM EDT MON APR 30 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING FOR PARTS OF EXTREME NORTHEAST GEORGIA. TEMPERATURES RISING INTO THE MID AND UPPER 80S WILL COMBINE WITH DEWPOINTS FALLING INTO THE LOWER 40S TO PRODUCE MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES BETWEEN 20 AND 25 PERCENT. THE LOW HUMIDITY WILL ENHANCE FIRE DANGER ALREADY EXISTING DUE TO VERY LOW FUEL MOISTURE ACROSS THE REGION TODAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY AND DRY FUELS WILL GREATLY ENHANCE THE THREAT OF WILDFIRES. $$ HG/JAT
3 follow-up statements
000 WWUS82 KGSP 301531 RFWGSP RED FLAG WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1131 AM EDT MON APR 30 2007 GAZ010-017-018-302345- /O.EXA.KGSP.FW.W.0018.000000T0000Z-070501T0000Z/ RABUN-HABERSHAM-STEPHENS- 1131 AM EDT MON APR 30 2007 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. TEMPERATURES RISING INTO THE MID AND UPPER 80S WILL COMBINE WITH DEWPOINTS FALLING INTO THE LOWER 40S TO PRODUCE MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES BETWEEN 20 AND 25 PERCENT. THE LOW HUMIDITY WILL ENHANCE FIRE DANGER ALREADY EXISTING DUE TO VERY LOW FUEL MOISTURE ACROSS THE REGION TODAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY AND DRY FUELS WILL GREATLY ENHANCE THE THREAT OF WILDFIRES. $$ GAZ026-028-029-302345- /O.CON.KGSP.FW.W.0018.000000T0000Z-070501T0000Z/ FRANKLIN-HART-ELBERT- 1131 AM EDT MON APR 30 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. TEMPERATURES RISING INTO THE MID AND UPPER 80S WILL COMBINE WITH DEWPOINTS FALLING INTO THE LOWER 40S TO PRODUCE MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES BETWEEN 20 AND 25 PERCENT. THE LOW HUMIDITY WILL ENHANCE FIRE DANGER ALREADY EXISTING DUE TO VERY LOW FUEL MOISTURE ACROSS THE REGION TODAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY AND DRY FUELS WILL GREATLY ENHANCE THE THREAT OF WILDFIRES. $$ KRENTZ
000 WWUS82 KGSP 301925 RFWGSP RED FLAG WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 325 PM EDT MON APR 30 2007 GAZ010-017-018-026-028-029-010200- /O.EXT.KGSP.FW.W.0018.000000T0000Z-070501T0200Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT- 325 PM EDT MON APR 30 2007 ...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING. TEMPERATURES IN THE MID TO UPPER 80S AND LOW DEWPOINTS FROM THE MID 30S TO LOW 40S...HAVE PRODUCED RELATIVE HUMIDITY IN THE UPPER TEENS TO LOW 20S. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE DANGER DUE TO VERY LOW FUEL MOISTURE ACROSS THE REGION. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY AND DRY FUELS WILL GREATLY ENHANCE THE THREAT OF WILDFIRES. $$
000 WWUS82 KGSP 010141 RFWGSP RED FLAG WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 941 PM EDT MON APR 30 2007 GAZ010-017-018-026-028-029-010245- /O.CAN.KGSP.FW.W.0018.000000T0000Z-070501T0200Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT- 941 PM EDT MON APR 30 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS CANCELLED THE RED FLAG WARNING. RELATIVE HUMIDITY LEVELS HAVE RISEN ABOVE 25 PERCENT THIS HOUR. WINDS WILL REMAIN CALM TO LIGHT AND VARIABLE OVERNIGHT. $$ NED
What forecasters said that day
The local office's own words before this red flag 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 red flag warning went out at Apr 30, 1:59 AM EDT, 1 hour 5 minutes earlier.
Area forecast discussion, Apr 30, 1:59 AM EDT, 1 hour 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
159 AM EDT MON APR 30 2007
.SHORT TERM /TODAY THROUGH WEDNESDAY NIGHT/...
THE MEAN EAST COAST LONGWAVE TROUGH WILL MOVE SLOWLY OFFSHORE
TODAY AND TONIGHT...WITH SOME MINOR IMPULSES MOVING THROUGH ITS
WEST SIDE. WITH ALMOST NO MOISTURE IN THE ATMOSPHERIC COLUMN...FEW
IF ANY CLOUDS ARE EXPECTED. RISING HEIGHTS SUPPORT WARMER MAXIMUM
TEMPERATURES TODAY...AND THE FORECAST HIGHS HAVE BEEN RAISED
SLIGHTLY. MINIMUM TEMPERATURES WILL BE A BIT WARMER TONIGHT...AS
DEW POINTS CREEP UP SLIGHTLY. DEW POINT DEPRESSIONS ARE DOWN TO A
DEGREE OR TWO IN MUCH OF THE AREA LATE MONDAY NIGHT...BUT MODEL
GUIDANCE CARRIES NO FOG...DESPITE LIGHT WINDS...AND FOG WILL NOT
BE CARRIED AT THIS POINT.
THE SOUTHEASTERN RIDGE WILL HOLD ON ACROSS THE FORECAST AREA THROUGH
TUESDAY...AS STRONG NORTHERN STREAM ENERGY CROSSES THE GREAT
LAKES. WARMING WILL CONTINUE...WITH MOST LOCATIONS REMAINING ABOUT
A CATEGORY BELOW RECORD HIGHS FOR TUESDAY MAX TEMPS. THE SURFACE
LOW ASSOCIATED WITH THE NORTHERN STREAM SYSTEM WILL MOVE EAST INTO NEW
ENGLAND...SENDING A COLD FRONT SOUTHWARD INTO THE REGION ON
WEDNESDAY. HEALTHY CAPE VALUES IN EXCESS OF 1000 J/KG SHOULD
DEVELOP IN PIEDMONT AREAS JUST AHEAD OF THE FRONT WED AFTN AND
EVENING...LEADING TO STRONG CONVECTIVE DEVELOPMENT DURING PEAK
HEATING. WILL PUSH POPS UP INTO A MORE SOLID CHANCE RANGE FROM
WED AFTN THROUGH EVENING...ESPECIALLY ACROSS THE NORTHERN TIER.
WIND PROFILES ARE FAIRLY UNIMPRESSIVE IN THE WEAKLY SHEARED
ENVIRONMENT...WHICH SHOULD LIMIT SEVERE THUNDERSTORM POTENTIAL.
&&
.LONG TERM /THURSDAY THROUGH SUNDAY/...
THE SURFACE BOUNDARY WILL LIKELY GET HUNG UP SOMEWHERE IN THE
VICINITY OF THE FORECAST AREA...WITH UPGLIDE AND UPSLOPE FLOW
MOISTURE CONTINUING THURSDAY THROUGH SUNDAY. COLD AIR DAMMING SHOULD
DEVELOP...AT LEAST OVER THE MAJORITY OF THE FORECAST AREA...WITH
TEMPERATURES CONSIDERABLY COOLER THROUGH THE MEDIUM RANGE. LOW END
PRECIPITATION CHANCES WILL NEED TO BE CONTINUED THROUGH THE PERIOD
AS WELL.
&&
.AVIATION /06Z-06Z/...
THERE WILL BE VERY LITTLE MOISTURE OVER THE TAF SITES DURING THIS
FORECAST...AND DEW POINT DEPRESSIONS WILL BE TOO LARGE FOR FOG.
WINDS WILL BACK FROM THE WEST NORTHWEST TO THE SOUTHWEST TODAY AS A
SURFACE TROUGH MOVES OFFSHORE...THEN WILL VEER BACK TO THE WEST LATE
THIS EVENING AS ANOTHER SURFACE TROUGH CROSSES THE AREA.
&&
.FIRE WEATHER...
RELATIVE HUMIDITY WILL REACH RED FLAG CRITERIA IN FRANKLIN...HART
AND ELBERT COUNTIES TODAY...WHERE A RED FLAG WARNING WILL BE
CARRIED FROM NOON TO EARLY EVENING. A FEW LOCATIONS IN THE
PIEDMONT OF THE CAROLINAS WILL REACH CRITICAL RELATIVE HUMIDITY
VALUES AS WELL...BUT THE WIND CRITERIA WILL NOT BE MET THERE.
ALTHOUGH FUELS ARE QUITE DRY...A FIRE DANGER STATEMENT WILL BE NOT
BE CARRIED IN WESTERN NC DUE TO THE WINDS BEING EVEN LOWER THAN
YESTERDAY.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...RED FLAG WARNING FROM 11 AM THIS MORNING TO 8 PM EDT THIS
EVENING FOR GAZ026-028-029.
NC...NONE.
SC...NONE.
&&
SHORT TERM...JAT/HG
LONG TERM...HG
AVIATION...JAT
FIRE WEATHER...JATHazardous weather outlook, Apr 29, 8:36 PM EDT, 6 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 836 PM EDT SUN APR 29 2007 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-010045- 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- 836 PM EDT SUN APR 29 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...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. NED
Nearby
Red Flag Warnings in Georgia, 2007Every red flag 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.