Alert archive / South Carolina / Red Flag Warnings in 2007

Red Flag Warning 1, NWS Columbia, SC

April 6, 200716 counties in South Carolina; 5 counties in Georgia

NWS Columbia, SC issued this red flag warning at Apr 6, 2007, 3:16 PM EDT for 16 counties in South Carolina; 5 counties in Georgia. It took effect at Apr 7, 2007, 10:00 AM EDT. It was in force for 10 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 6, 2007, 3:16 PM EDT (19:16 UTC)
In effect from
Apr 7, 2007, 10:00 AM EDT
Expired
Apr 7, 2007, 8:00 PM EDT
In force
10 hr
Issued by
NWS Columbia, SC
All 21 counties

Burke County, GA, Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Richmond County, GA, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Edgefield County, SC, Fairfield County, SC, Kershaw County, SC, Lee County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 28 km from the middle of the area, began a volume at 19:16 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

Charleston AFB, SC (KCHS), launched 12:00Z, 7.3 hours before the alert went out and 162 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, Charleston AFB, SC at 12:00Z on 2007-04-06Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2007-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 square meters per square second.1939587897Sfc1 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
1559 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
385 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 KCAE 061916
RFWCAE

RED FLAG WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
316 PM EDT FRI APR 6 2007

...FIRE DANGER INCREASING FOR SATURDAY...

.A DRY AIRMASS WILL SPREAD INTO THE CAROLINAS...AND FUEL MOISTURE
WILL CONTINUE TO DECREASE THROUGH SATURDAY. SUSTAINED WINDS
SATURDAY AFTERNOON MAY BE AROUND 20 MPH FOR A FEW HOURS...WITH
GUSTS OF 25 TO 30 MPH. RELATIVE HUMIDITIES WILL BE VERY LOW...WITH
15 TO 20 PERCENT EXPECTED.

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
070900-
/O.UPG.KCAE.FW.A.0001.070407T1600Z-070408T0000Z/
/O.NEW.KCAE.FW.W.0001.070407T1400Z-070408T0000Z/
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
316 PM EDT FRI APR 6 2007

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 8 PM EDT SATURDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

FUEL MOISTURE WILL CONTINUE TO DECREASE SATURDAY. IN ADDITION...A
STRONG COLD FRONT WILL MOVE THROUGH THE REGION USHERING IN MUCH
DRIER AIR. RELATIVE HUMIDITIES WILL BE AROUND 15 TO 20 PERCENT
SATURDAY AFTERNOON. GUSTY WINDS UP TO 25 OR 30 MPH ARE POSSIBLE.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS...LOW
RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE
FIRE GROWTH POTENTIAL.

$$
4 follow-up statements
000 
WWUS82 KCAE 070929 CCA
RFWCAE

RED FLAG WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
501 AM EDT SAT APR 7 2007

...FIRE DANGER HIGH TODAY...

.VERY DRY AIR WILL MOVE ACROSS THE AREA TODAY AND FUEL MOISTURE
WILL CONTINUE TO DECREASE. SUSTAINED WINDS THIS AFTERNOON MAY BE
AROUND 20 MPH FOR A FEW HOURS...WITH GUSTS OF 25 TO 30 MPH.
RELATIVE HUMIDITIES WILL BE VERY LOW...WITH 15 TO 20 PERCENT
EXPECTED.

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
080000-
/O.CON.KCAE.FW.W.0001.070407T1400Z-070408T0000Z/
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
501 AM EDT SAT APR 7 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM EDT THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM EDT THIS EVENING. 

FUEL MOISTURE WILL CONTINUE TO DECREASE TODAY. IN ADDITION...VERY 
DRY AIR WILL MOVE INTO THE REGION. RELATIVE HUMIDITIES WILL BE
AROUND 15 TO 20 PERCENT SATURDAY AFTERNOON. GUSTY WINDS UP TO 25
OR 30 MPH ARE POSSIBLE.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE 
EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS AND LOW RELATIVE 
HUMIDITIES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$
000 
WWUS82 KCAE 070929 CCA
RFWCAE

RED FLAG WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
501 AM EDT SAT APR 7 2007

...FIRE DANGER HIGH TODAY...

.VERY DRY AIR WILL MOVE ACROSS THE AREA TODAY AND FUEL MOISTURE
WILL CONTINUE TO DECREASE. SUSTAINED WINDS THIS AFTERNOON MAY BE
AROUND 20 MPH FOR A FEW HOURS...WITH GUSTS OF 25 TO 30 MPH.
RELATIVE HUMIDITIES WILL BE VERY LOW...WITH 15 TO 20 PERCENT
EXPECTED.

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
080000-
/O.CON.KCAE.FW.W.0001.070407T1400Z-070408T0000Z/
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
501 AM EDT SAT APR 7 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM EDT THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM EDT THIS EVENING. 

FUEL MOISTURE WILL CONTINUE TO DECREASE TODAY. IN ADDITION...VERY 
DRY AIR WILL MOVE INTO THE REGION. RELATIVE HUMIDITIES WILL BE
AROUND 15 TO 20 PERCENT SATURDAY AFTERNOON. GUSTY WINDS UP TO 25
OR 30 MPH ARE POSSIBLE.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE 
EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS AND LOW RELATIVE 
HUMIDITIES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$
000 
WWUS82 KCAE 071912
RFWCAE

RED FLAG WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
312 PM EDT SAT APR 7 2007

...FIRE DANGER HIGH THIS EVENIGN...

.VERY DRY AIR WILL REMAIN ACROSS THE AREA INTO THIS EVENING. FUEL
MOISTURES WILL REMAIN LOW. SUSTAINED WINDS THIS AFTERNOON MAY BE
AROUND 20 MPH FOR A FEW HOURS...WITH GUSTS TO 25 MPH. RELATIVE
HUMIDITIES WILL BE VERY LOW...WITH 15 TO 20 PERCENT EXPECTED.

WINDS WILL DIMINISH AND THE RELATIVE HUMIDITY WILL RISE AFTER
SUNSET.

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
080000-
/O.CON.KCAE.FW.W.0001.000000T0000Z-070408T0000Z/
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
312 PM EDT SAT APR 7 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.

VERY DRY AIR WILL REMAIN ACROSS THE AREA INTO THIS EVENING. FUEL
MOISTURES WILL REMAIN LOW. SUSTAINED WINDS THIS AFTERNOON MAY BE
AROUND 20 MPH FOR A FEW HOURS...WITH GUSTS TO 25 MPH. RELATIVE
HUMIDITIES WILL BE VERY LOW...WITH 15 TO 20 PERCENT EXPECTED.

WINDS WILL DIMINISH AND THE RELATIVE HUMIDITY WILL RISE AFTER
SUNSET.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS...LOW
RELATIVE HUMIDITIES...AND LOW FUEL MOISTURE WILL CREATE EXPLOSIVE
FIRE GROWTH POTENTIAL THIS EVENING.

$$
000 
WWUS82 KCAE 080000
RFWCAE

RED FLAG WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
800 PM EDT SAT APR 7 2007

...RED FLAG WARNING HAS EXPIRED...

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-
080100-
/O.EXP.KCAE.FW.W.0001.000000T0000Z-070408T0000Z/
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
800 PM EDT SAT APR 7 2007

...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING. 

DRY AIR WILL REMAIN ACROSS THE REGION OVERNIGHT...HOWEVER WINDS
WILL CONTINUE TO SUBSIDE TO 5 TO 10 MPH WITH RELATIVE HUMIDITIES
RECOVERING TO 50 TO 60 PERCENT. AS A RESULT THE RED FLAG WARNING
HAS BEEN ALLOWED TO EXPIRE.

$$

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 6, 4:55 AM EDTFreeze WarningCAEAiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more28 hr

Nearby

Red Flag Warnings in South Carolina, 2007Red 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.