Alert archive / Georgia / Red Flag Warnings in 2007

Red Flag Warning 36, NWS Greenville-Spartanburg, SC

November 10, 20075 counties in Georgia

NWS Greenville-Spartanburg, SC issued this red flag warning at Nov 10, 2007, 1:55 PM EST for 5 counties in Georgia. It took effect at Nov 10, 2007, 2:00 PM EST. It was in force for 4 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
Nov 10, 2007, 1:55 PM EST (18:55 UTC)
In effect from
Nov 10, 2007, 2:00 PM EST
Expired
Nov 10, 2007, 6:00 PM EST
In force
4 hr
Issued by
NWS Greenville-Spartanburg, SC

Counties Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Stephens County, GA

The radar

The Greer radar (KGSP), 102 km from the middle of the area, began a volume at 18:55 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 12:00Z, 6.9 hours before the alert went out and 168 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 2007-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2007-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1517 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
42 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 
WWUS82 KGSP 101855
RFWGSP

RED FLAG WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
155 PM EST SAT NOV 10 2007

GAZ017-018-026-028-029-102300-
/O.NEW.KGSP.FW.W.0036.071110T1900Z-071110T2300Z/
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-
155 PM EST SAT NOV 10 2007

...RED FLAG WARNING IN EFFECT UNTIL 6 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A RED FLAG WARNING FOR LOW RELATIVE HUMIDITY FOR PARTS OF EXTREME
NORTHEAST GEORGIA...WHICH IS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON.

THE RELATIVE HUMIDITY HAS FALLEN TO AROUND 25 PERCENT ACROSS
EXTREME NORTHEAST GEORGIA...APART FROM THE HIGHER ELEVATIONS. THE
HUMIDITY WILL REMAIN AT LEAST THIS LOW THROUGH THE WARMEST PART OF
THE AFTERNOON...BUT SHOULD RECOVER THIS EVENING AT SUNSET. THE
WIND WILL GUST FROM THE NORTH OR NORTHWEST AT 15 TO 20 MPH THROUGH
THE AFTERNOON AS WELL. THIS WILL CREATE DANGEROUS FIRE WEATHER
CONDITIONS. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. 

$$

MOORE
1 follow-up statement
000 
WWUS82 KGSP 102304
RFWGSP

RED FLAG WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
604 PM EST SAT NOV 10 2007

GAZ017-018-026-028-029-110015-
/O.EXP.KGSP.FW.W.0036.000000T0000Z-071110T2300Z/
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-
604 PM EST SAT NOV 10 2007

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT.

RELATIVE HUMIDITY HAS RISEN ABOVE 25 PERCENT ACROSS NORTHEAST
GEORGIA ENDING THE THREAT OF EXTREME FIRE DANGER.

$$

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 Nov 10, 12:31 PM EST, 1 hour 24 minutes earlier.

Area forecast discussion, Nov 10, 12:31 PM EST, 1 hour 24 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1231 PM EST SAT NOV 10 2007

.SYNOPSIS...
A FAIRLY STRONG HIGH PRESSURE CENTER WILL BUILD ACROSS THE AREA
TODAY AND REMAIN THROUGH SUNDAY...BEFORE MOVING SOUTH OVER NORTHERN
FLORIDA MONDAY. A COLD FRONT WILL APPROACH THE MOUNTAINS FROM THE
NORTHWEST TUESDAY AND SLOWLY CROSS THE CAROLINA REGION THROUGH
WEDNESDAY. WEAK HIGH PRESSURE BUILDS IN THURSDAY BEFORE ANOTHER
FRONTAL SYSTEM AFFECTS THE AREA FRIDAY.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
AS OF 1054 AM...THE SURFACE COLD FRONT HAS MOVED WELL EAST OF THE
REGION AS OF 15Z. EXPECT A DRY AFTERNOON WITH GUSTY WINDS UNTIL
THE HIGH BUILDS IN LATE IN THE DAY AND THE PRESSURE GRADIENT
RELAXES. STILL THINK THAT MOUNTAIN WINDS WILL REMAIN JUST BELOW
LAKE WIND ADVISORY CRITERIA. THE CURRENT HIGH TEMP FORECAST LOOKS
REASONABLE AND WILL NOT BE CHANGED...BUT SOME MINOR ADJUSTMENTS
WILL BE MADE TO THE DEWPOINTS.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH MONDAY/...
AS OF 130 AM SATURDAY...SFC HIPRES WILL BUILD ATOP THE CWFA TONIGHT
WITH JUST A NOMINAL INFLUX OF HIGHER LVL CLOUDS EXPECTED. AS LONG AS
CLOUDS REMAIN LIMITED...GOOD RADIATIONAL CONDITIONS WILL OCCUR...
ALLOWING SUNDAY MORNING MINS TO FALL TO SVRL CATEGORIES BELOW NORMAL.
DEVELOPING RETURN FLOW OUT OF THE WESTERN GULF EXPECTED TO SPREAD
SHOWER CHANCES ACRS THE MISSISSIPPI AND OHIO RIVER VALLEYS
SUNDAY...BUT LINGERING LLVL RIDGING WILL KEEP OUR WEATHER DRY.

THE COMBINATION OF BUILDING S/WV RIDGING OVER THE SOUTHEAST CONUS
AND CONTINUED BLOCKING OF THE LLVL FLOW FROM THE EASTERN GULF...WILL
RESULT IN ANOTHER DRY DAY ON MONDAY WITH MAX TEMPS BOOSTED TO ABOVE
NORMAL LEVELS.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF 130 AM SATURDAY...PLAN ON CONTINUING WITH THE WARM FCST FOR
TUESDAY AND POPULATING WITH YESTERDAY/S FINAL HPC POP GRIDS...
WHICH LIMIT ANY SLIGHT SHOWER CHANCES TO JUST THE FAR WESTERN MTNS.
FOLLOWING THIS SAME LINE OF THINKING RESULTS IN AN UPWARD TWEAK FOR
SHOWER CHANCES TUESDAY NIGHT AND/OR WEDNESDAY...ESPECIALLY IN THE
MTNS...AS MOISTURE POOLS ALONG APPROACHING COLD FRONT. WITH ONGOING
MEDIUM RANGE MODEL DISCREPANCIES...BEST TO LEAVE PROGRESSIVELY
COOLER AND MAINLY DRY FCST FOR DAYS 6-7 AS IS.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
VFR CONDITIONS EXPECTED AT ALL TAF SITES FOR THE NEXT 24 HOURS.
GUSTY N TO NW WIND SHOULD ABATE LATE IN THE DAY AS THE PRESSURE
GRADIENT RELAXES. SOME CIRRUS WILL BEGIN TO MOVE IN FROM THE NW LATE
TONIGHT AND SHOULD THICKEN ON SUNDAY AFTERNOON...BUT NO OTHER CLOUDS
ARE EXPECTED.

OUTLOOK THROUGH THURSDAY...
VFR EXPECTED THROUGH MONDAY NIGHT. MORNING FOG WILL BECOME MORE
LIKELY TUESDAY AND WEDNESDAY AT KAVL AS DEWPOINTS INCREASE. SOME
POTENTIAL FOR LOW CLOUDS AHEAD AND ALONG A FRONT TUESDAY AND
WEDNESDAY. THE FRONT IS EXPECTED TO MOVE THROUGH WEDNESDAY...WITH
VFR AGAIN THURSDAY.

&&

.FIRE WEATHER...
HIGH TEMPERATURES IN THE MID 60S TODAY ACROSS MUCH OF THE SOUTHERN
PIEDMONT WILL COMBINE WITH DEWPOINTS MIXING OUT INTO THE 20S TO
PRODUCE RH VALUES IN THE 25 TO 30 PERCENT RANGE FOR SEVERAL HOURS.
MIXING WILL ALLOW FOR WIND GUSTS TO NEAR 20 MPH AT TIMES TO FURTHER
HEIGHTEN FIRE DANGER. THESE CONDITIONS WILL BE SHY OF RED FLAG
CRITERIA FOR THE AFTERNOON...BUT WILL BE HEADLINED THE FWF. IF
CONDITIONS WARRANT...A RED FLAG WARNING WILL BE ISSUED.

&&

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

&&

SYNOPSIS...SBK
NEAR TERM...PM
SHORT TERM...CSH
LONG TERM...CSH
AVIATION...MOORE
FIRE WEATHER...PM
Hazardous weather outlook, Nov 10, 5:52 AM EST, 8 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
552 AM EST SAT NOV 10 2007

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-111100-
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-
552 AM EST SAT NOV 10 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...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

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.