Alert archive / North Carolina / Red Flag Warnings in 2012

Red Flag Warning 4, NWS Greenville-Spartanburg, SC

April 10, 20128 counties in South Carolina; 22 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this red flag warning at Apr 10, 2012, 3:15 AM EDT for 8 counties in South Carolina; 22 counties in North Carolina. It took effect at Apr 10, 2012, 12:00 PM EDT. It was in force for 8 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 10, 2012, 3:15 AM EDT (07:15 UTC)
In effect from
Apr 10, 2012, 12:00 PM EDT
Expired
Apr 10, 2012, 8:00 PM EDT
In force
8 hr
Issued by
NWS Greenville-Spartanburg, SC
All 30 counties

Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Henderson County, NC, Iredell County, NC, Lincoln County, NC, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Union County, NC, Yancey County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 75 km from the middle of the area, began a volume at 07:17 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 7.3 hours before the alert went out and 175 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, Greensboro/Hi Pt, NC at 00:00Z on 2012-04-10Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2012-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
3232 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
224 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.

597 
WWUS82 KGSP 100715
RFWGSP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
315 AM EDT TUE APR 10 2012

...CRITICAL FIRE WEATHER EXPECTED ACROSS PORTIONS OF THE WESTERN 
CAROLINAS THIS AFTERNOON...

.DEEP WEST TO NORTHWEST FLOW WILL RESULT IN PERSISTENCE OF A DRY
AND RELATIVELY WARM AIR MASS TODAY. WEST WINDS WILL BECOME GUSTY
THIS AFTERNOON IN ADVANCE OF ANOTHER DRY COLD FRONT. THESE
FACTORS WILL RESULT IN HIGH FIRE DANGER ACROSS WESTERN NORTH
CAROLINA AND UPSTATE SOUTH CAROLINA THROUGH EARLY THIS EVENING.

NCZ051-052-058-059-062>064-303-100815-
/O.CAN.KGSP.FW.A.0003.120410T1600Z-120411T0000Z/
SWAIN-HAYWOOD-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-
TRANSYLVANIA-
NORTH CAROLINA PORTION OF GREAT SMOKY MOUNTAINS NATIONAL PARK-
315 AM EDT TUE APR 10 2012

...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR THE CENTRAL AND SOUTHWESTERN NORTH CAROLINA MOUNTAINS...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS
CANCELLED THE FIRE WEATHER WATCH.

WHILE GUSTY WINDS AND LOW RELATIVE HUMIDITY IS EXPECTED THIS
AFTERNOON ACROSS THE NORTH CAROLINA MOUNTAINS WEST OF THE FRENCH
BROAD RIVER VALLEY...CONDITIONS ARE EXPECTED TO BE SHORT OF RED
FLAG.

$$

NCZ033-035>037-048>050-053-056-057-065-068>072-082-501>510-
SCZ001>007-010-101600-
/O.UPG.KGSP.FW.A.0003.120410T1600Z-120411T0000Z/
/O.NEW.KGSP.FW.W.0004.120410T1600Z-120411T0000Z/
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-BUNCOMBE-
CATAWBA-ROWAN-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-ANDERSON-
315 AM EDT TUE APR 10 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN
NORTH CAROLINA AND UPSTATE SOUTH CAROLINA...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS
IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...THE MOUNTAINS ALONG AND EAST OF THE FRENCH BROAD
  RIVER VALLEY...FOOTHILLS...AND PIEDMONT OF NORTH CAROLINA. ALSO
  ALL OF UPSTATE SOUTH CAROLINA.

* TIMING...THIS AFTERNOON AND EARLY EVENING.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* HUMIDITY...AS LOW AS 20 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL COMBINE
  WITH DRY FUELS TO PRODUCE AN ENHANCED DANGER OF THE SPREAD OF
  WILDFIRE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

SCZ008-009-011>014-019-101600-
/O.NEW.KGSP.FW.W.0004.120410T1600Z-120411T0000Z/
CHEROKEE-YORK-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
315 AM EDT TUE APR 10 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN AND
EASTERN UPSTATE...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS
IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING.

* LOCATIONS...SOUTHERN AND EASTERN UPSTATE SOUTH CAROLINA.

* TIMING...THIS AFTERNOON AND EARLY EVENING.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* HUMIDITY...AS LOW AS 20 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL COMBINE 
  WITH DRY FUELS TO PRODUCE AN ENHANCED DANGER OF THE SPREAD OF 
  WILDFIRE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

ARK
2 follow-up statements
110 
WWUS82 KGSP 101735
RFWGSP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
135 PM EDT TUE APR 10 2012

...CRITICAL FIRE WEATHER EXPECTED ACROSS PORTIONS OF THE WESTERN
CAROLINAS THIS AFTERNOON...

.DEEP WEST TO NORTHWEST FLOW WILL RESULT IN PERSISTENCE OF A DRY
AND RELATIVELY WARM AIR MASS THIS AFTERNOON. GUSTY WEST WINDS
WILL CONTINUE TO INCREASE THROUGH EARLY EVENING IN ADVANCE OF
ANOTHER DRY COLD FRONT. THESE FACTORS WILL RESULT IN HIGH FIRE
DANGER ACROSS MUCH OF WESTERN NORTH CAROLINA AND UPSTATE SOUTH
CAROLINA.

NCZ033-035>037-048>050-053-056-057-065-068>072-082-501>510-
SCZ001>014-019-110000-
/O.CON.KGSP.FW.W.0004.000000T0000Z-120411T0000Z/
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-BUNCOMBE-
CATAWBA-ROWAN-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-
135 PM EDT TUE APR 10 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN NORTH
CAROLINA AND UPSTATE SOUTH CAROLINA...

* LOCATIONS...THE MOUNTAINS ALONG AND NORTH OF THE I-26
  CORRIDOR...AND THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA. ALL
  OF UPSTATE SOUTH CAROLINA.

* TIMING...THROUGH EARLY EVENING.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* HUMIDITY...AS LOW AS 22 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL COMBINE 
  WITH DRY FUELS TO PRODUCE AN ENHANCED DANGER OF THE SPREAD OF 
  WILDFIRE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
LANE
419 
WWUS82 KGSP 110011
RFWGSP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
811 PM EDT TUE APR 10 2012

...RED FLAG WARNING FOR NORTHEAST GEORGIA WEDNESDAY...

.LOW RELATIVE HUMIDITY...GUSTY WINDS...AND DRY FUELS WILL RESULT
IN CONDITIONS CONDUCIVE TO THE RAPID SPREAD OF FIRE ACROSS
NORTHEAST GEORGIA ON WEDNESDAY.

NCZ033-035>037-048>050-053-056-057-065-068>072-082-501>510-
SCZ001>014-019-110115-
/O.EXP.KGSP.FW.W.0004.000000T0000Z-120411T0000Z/
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-BUNCOMBE-
CATAWBA-ROWAN-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-
811 PM EDT TUE APR 10 2012

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR UPSTATE SOUTH CAROLINA...

WINDS HAVE DECREASED...AND RELATIVE HUMIDITY HAS INCREASED...AS
DAYTIME HEATING HAS ABATED.

$$

GAZ010-017-018-026-028-029-111100-
/O.NEW.KGSP.FW.W.0005.120411T1600Z-120412T0000Z/
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-
811 PM EDT TUE APR 10 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM EDT WEDNESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR NORTHEAST GEORGIA...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS
IN EFFECT FROM NOON TO 8 PM EDT WEDNESDAY.

* LOCATIONS...NORTHEAST GEORGIA.

* TIMING...NOON TO 8 PM EDT.

* WINDS...15 MPH GUSTING TO 25 MPH.

* HUMIDITY...20 TO 25 PERCENT.

* IMPACTS...RAPID FIRE SPREAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
07

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 3:11 PM EDTFreeze WatchGSPCherokee, Chester, Laurens, Union, York20 hr
Apr 10, 4:07 PM EDTSpecial Weather StatementGSPAbbeville, Anderson, Greenwood53 min
Apr 10, 4:32 PM EDTSpecial Weather StatementGSPChester, York58 min
Apr 10, 5:05 PM EDTSpecial Weather StatementGSPAbbeville, Greenwood55 min
Apr 10, 3:27 AM EDTFreeze WarningGSPAvery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more30 hr

Nearby

Red Flag Warnings in North Carolina, 2012Red Flag Warnings in South Carolina, 2012Every red flag warning in 2012

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.