Alert archive / West Virginia / Red Flag Warnings in 2018

Red Flag Warning 2, NWS Charleston, WV

April 13, 201818 counties in West Virginia; 7 counties in Ohio

NWS Charleston, WV issued this red flag warning at Apr 13, 2018, 8:49 AM EDT for 18 counties in West Virginia; 7 counties in Ohio. It took effect at Apr 13, 2018, 11:00 AM EDT. It was in force for 9 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 13, 2018, 8:49 AM EDT (12:49 UTC)
In effect from
Apr 13, 2018, 11:00 AM EDT
Expired
Apr 13, 2018, 8:00 PM EDT
In force
9 hr
Issued by
NWS Charleston, WV
All 25 counties

Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Vinton County, OH, Washington County, OH, Barbour County, WV, Braxton County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Lewis County, WV, Mason County, WV, Pleasants County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 92 km from the middle of the area, began a volume at 12:52 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

Pittsburgh, PA (KAGC), launched 12:00Z, 0.8 hours before the alert went out and 180 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, Pittsburgh, PA at 12:00Z on 2018-04-13Temperature 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, Pittsburgh, PA at 12:00Z on 2018-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 369 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
2262 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
369 m²/s²
0-3 km storm-relative helicity
357 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

593 
WWUS81 KRLX 131249
RFWRLX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Charleston WV
849 AM EDT Fri Apr 13 2018


OHZ075-076-083>087-WVZ007>011-016>020-028>032-039-040-525-526-
132100-
/O.NEW.KRLX.FW.W.0002.180413T1500Z-180414T0000Z/
Athens-Washington-Jackson OH-Vinton-Meigs-Gallia-Lawrence OH-
Mason-Jackson WV-Wood-Pleasants-Tyler-Roane-Wirt-Calhoun-Ritchie-
Doddridge-Braxton-Gilmer-Lewis-Harrison-Taylor-Upshur-Barbour-
Northwest Randolph-Southeast Randolph-
849 AM EDT Fri Apr 13 2018

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY...

The National Weather Service in Charleston has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in 
effect until 8 PM EDT this evening.

* Affected Area...Fire Weather Zone 007 Mason, Fire Weather Zone 
  008 Jackson WV, Fire Weather Zone 009 Wood, Fire Weather Zone 
  010 Pleasants, Fire Weather Zone 011 Tyler, Fire Weather Zone 
  016 Roane, Fire Weather Zone 017 Wirt, Fire Weather Zone 018 
  Calhoun, Fire Weather Zone 019 Ritchie, Fire Weather Zone 020 
  Doddridge, Fire Weather Zone 028 Braxton, Fire Weather Zone 
  029 Gilmer, Fire Weather Zone 030 Lewis, Fire Weather Zone 031 
  Harrison, Fire Weather Zone 032 Taylor, Fire Weather Zone 039 
  Upshur, Fire Weather Zone 040 Barbour, Fire Weather Zone 075 
  Athens, Fire Weather Zone 076 Washington, Fire Weather Zone 
  083 Jackson OH, Fire Weather Zone 084 Vinton, Fire Weather 
  Zone 085 Meigs, Fire Weather Zone 086 Gallia, Fire Weather 
  Zone 087 Lawrence OH, Fire Weather Zone 525 Northwest Randolph 
  and Fire Weather Zone 526 Southeast Randolph.

* Winds...Southwest 10 to 20 mph with gusts up to 30 mph.

* Timing...Noon today through 8PM

* Relative Humidity...As low as 22 percent.

* Temperatures...In the upper 70s to near 80.

* Impacts...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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 can
contribute to extreme fire behavior.

&&

$$

Kistner
2 follow-up statements
888 
WWUS81 KRLX 131755
RFWRLX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Charleston WV
155 PM EDT Fri Apr 13 2018


OHZ075-076-083>087-WVZ007>011-016>020-028>032-039-040-525-526-
140000-
/O.CON.KRLX.FW.W.0002.000000T0000Z-180414T0000Z/
Athens-Washington-Jackson OH-Vinton-Meigs-Gallia-Lawrence OH-
Mason-Jackson WV-Wood-Pleasants-Tyler-Roane-Wirt-Calhoun-Ritchie-
Doddridge-Braxton-Gilmer-Lewis-Harrison-Taylor-Upshur-Barbour-
Northwest Randolph-Southeast Randolph-
155 PM EDT Fri Apr 13 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...

* Affected Area...Fire Weather Zone 007 Mason, Fire Weather Zone 
  008 Jackson WV, Fire Weather Zone 009 Wood, Fire Weather Zone 
  010 Pleasants, Fire Weather Zone 011 Tyler, Fire Weather Zone 
  016 Roane, Fire Weather Zone 017 Wirt, Fire Weather Zone 018 
  Calhoun, Fire Weather Zone 019 Ritchie, Fire Weather Zone 020 
  Doddridge, Fire Weather Zone 028 Braxton, Fire Weather Zone 
  029 Gilmer, Fire Weather Zone 030 Lewis, Fire Weather Zone 031 
  Harrison, Fire Weather Zone 032 Taylor, Fire Weather Zone 039 
  Upshur, Fire Weather Zone 040 Barbour, Fire Weather Zone 075 
  Athens, Fire Weather Zone 076 Washington, Fire Weather Zone 
  083 Jackson OH, Fire Weather Zone 084 Vinton, Fire Weather 
  Zone 085 Meigs, Fire Weather Zone 086 Gallia, Fire Weather 
  Zone 087 Lawrence OH, Fire Weather Zone 525 Northwest Randolph 
  and Fire Weather Zone 526 Southeast Randolph.

* Winds...Southwest 10 to 20 mph with gusts up to 30 mph.

* Timing...Noon today through 8PM

* Relative Humidity...As low as 20 percent.

* Temperatures...Around 80.

* Impacts...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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 can
contribute to extreme fire behavior.

&&

$$

Kistner
948 
WWUS81 KRLX 132351
RFWRLX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Charleston WV
751 PM EDT Fri Apr 13 2018

OHZ075-076-083>087-WVZ007>011-016>020-028>032-039-040-525-526-
140100-
/O.EXP.KRLX.FW.W.0002.000000T0000Z-180414T0000Z/
Athens-Washington-Jackson OH-Vinton-Meigs-Gallia-Lawrence OH-
Mason-Jackson WV-Wood-Pleasants-Tyler-Roane-Wirt-Calhoun-Ritchie-
Doddridge-Braxton-Gilmer-Lewis-Harrison-Taylor-Upshur-Barbour-
Northwest Randolph-Southeast Randolph-
751 PM EDT Fri Apr 13 2018

...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING FOR FIRE
WEATHER ZONES 007, 008, 009, 010, 011, 016, 017, 018, 019, 020, 
028, 029, 030, 031, 032, 039, 040, 075, 076, 083, 084, 085, 086, 
087, 525, AND 526...

Though the red flag warning is expiring, burning is discouraged
this evening.

$$

Nearby

Red Flag Warnings in West Virginia, 2018Red Flag Warnings in Ohio, 2018Every red flag warning in 2018

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.