Alert archive / North Carolina / Red Flag Warnings in 2011

Red Flag Warning 2, NWS Greenville-Spartanburg, SC

February 19, 201126 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this red flag warning at Feb 19, 2011, 4:24 AM EST for 26 counties in North Carolina. It took effect at Feb 19, 2011, 9:00 AM EST. It was in force for 12 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
Feb 19, 2011, 4:24 AM EST (09:24 UTC)
In effect from
Feb 19, 2011, 9:00 AM EST
Expired
Feb 19, 2011, 9:00 PM EST
In force
12 hr
Issued by
NWS Greenville-Spartanburg, SC
All 26 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, Haywood County, NC, Henderson County, NC, Iredell County, NC, Jackson 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, Swain County, NC, Transylvania County, NC, Union County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 87 km from the middle of the area, began a volume at 09:24 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, 9.4 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, Greensboro/Hi Pt, NC at 00:00Z on 2011-02-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
3 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1846 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
89 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.

516 
WWUS82 KGSP 190924
RFWGSP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
424 AM EST SAT FEB 19 2011

NCZ033-035>037-049-050-056-057-069-071-072-082-501>506-191730-
/O.UPG.KGSP.FW.A.0002.110219T1400Z-110220T0200Z/
/O.NEW.KGSP.FW.W.0002.110219T1400Z-110220T0200Z/
AVERY-ALEXANDER-IREDELL-DAVIE-YANCEY-MITCHELL-CATAWBA-ROWAN-
LINCOLN-MECKLENBURG-CABARRUS-UNION NC-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-
424 AM EST SAT FEB 19 2011

...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM EST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO
9 PM EST THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT. 

* LOCATIONS...THE NORTHERN MOUNTAINS...NORTHERN FOOTHILLS...AND
  MUCH OF THE PIEDMONT OF NORTH CAROLINA.

* TIMING...LATE SATURDAY MORNING INTO EARLY SATURDAY EVENING.

* WINDS...NORTHWEST AT 10 TO 20 MPH AND GUSTING TO 30 MPH IN THE
  MOUNTAINS...AND NORTHWEST TO 15 MPH AND GUSTING AS HIGH AS 25
  MPH IN THE FOOTHILLS AND PIEDMONT.

* HUMIDITY...20 TO 25 PERCENT IN THE MOUNTAINS...AND 15 TO 20
  PERCENT IN THE FOOTHILLS AND PIEDMONT.

* FUEL MOISTURE...LOW.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR THE RAPID SPREAD OF
  WILDFIRES.

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.

&&

$$

NCZ048-052-053-059-063>065-068-070-303-507>510-191730-
/O.NEW.KGSP.FW.W.0002.110219T1400Z-110220T0200Z/
MADISON-HAYWOOD-BUNCOMBE-NORTHERN JACKSON-SOUTHERN JACKSON-
TRANSYLVANIA-HENDERSON-CLEVELAND-GASTON-
NORTH CAROLINA PORTION OF GREAT SMOKY MOUNTAINS NATIONAL PARK-
RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-
EASTERN POLK-
424 AM EST SAT FEB 19 2011

...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM EST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO
9 PM EST THIS EVENING. 

* LOCATIONS...THE CENTRAL AND SOUTHERN MOUNTAINS OF NORTH CAROLINA
  EXCEPT FOR GRAHAM...MACON AND THE NON-SMOKY MOUNTAIN PARK
  PORTION OF SWAIN...AND THE SOUTHERN FOOTHILLS AND PIEDMONT OF
  NORTH CAROLINA.

* TIMING...LATE SATURDAY MORNING INTO EARLY SATURDAY EVENING.

* WINDS...NORTHWEST AT 10 TO 20 MPH AND GUSTING TO 30 MPH IN THE
  MOUNTAINS...AND NORTHWEST TO 15 MPH AND GUSTING AS HIGH AS 25
  MPH IN THE FOOTHILLS AND PIEDMONT.

* HUMIDITY...20 TO 25 PERCENT IN THE MOUNTAINS...AND 15 TO 20
  PERCENT IN THE FOOTHILLS AND PIEDMONT.

* FUEL MOISTURE...LOW.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR THE RAPID SPREAD OF
  WILDFIRES.

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.

&&

$$
1 follow-up statement
718 
WWUS82 KGSP 191541
RFWGSP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1041 AM EST SAT FEB 19 2011

NCZ033-035>037-048>050-052-053-056-057-059-063>065-068>072-082-
303-501>510-200200-
/O.CON.KGSP.FW.W.0002.000000T0000Z-110220T0200Z/
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-HAYWOOD-
BUNCOMBE-CATAWBA-ROWAN-NORTHERN JACKSON-SOUTHERN JACKSON-
TRANSYLVANIA-HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-
CABARRUS-UNION NC-
NORTH CAROLINA PORTION OF GREAT SMOKY MOUNTAINS NATIONAL PARK-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-
1041 AM EST SAT FEB 19 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM EST THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING.

* LOCATIONS...THE NORTHERN AND CENTRAL MOUNTAINS OF NORTH
  CAROLINA...AND THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA.

* TIMING...LATE SATURDAY MORNING INTO EARLY SATURDAY EVENING.

* WINDS...NORTHWEST AT 10 TO 20 MPH AND GUSTING TO 30 MPH IN THE
  MOUNTAINS...AND NORTHWEST 10 TO 15 MPH AND GUSTING AS HIGH AS
  25 MPH IN THE FOOTHILLS AND PIEDMONT.

* HUMIDITY...15 TO 20 PERCENT IN THE MOUNTAINS...AND 10 TO 15
  PERCENT IN THE FOOTHILLS AND PIEDMONT.

* FUEL MOISTURE...LOW.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR THE RAPID SPREAD OF 
  WILDFIRES. 

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

Nearby

Red Flag Warnings in North Carolina, 2011Every red flag warning in 2011

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.