Alert archive / Virginia / Red Flag Warnings in 2014
Red Flag Warning 3, NWS Blacksburg, VA
NWS Blacksburg, VA issued this red flag warning at Apr 23, 2014, 4:00 AM EDT for 24 counties in Virginia. It took effect at Apr 23, 2014, 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 23, 2014, 4:00 AM EDT (08:00 UTC)
- In effect from
- Apr 23, 2014, 11:00 AM EDT
- Expired
- Apr 23, 2014, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Blacksburg, VA
All 24 counties
Alleghany County, VA, Amherst County, VA, Bath County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, Buckingham County, VA, Carroll County, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Giles County, VA, Grayson County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA
The radar
The Roanoke radar (KFCX), 24 km from the middle of the area, began a volume at 08:04 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
Roanoke, VA (KRNK), launched 00:00Z, 8.0 hours before the alert went out and 69 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.
- Mixed-layer CAPE
- 88 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1217 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
863 WWUS81 KRNK 230800 RFWRNK URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 400 AM EDT WED APR 23 2014 ...POTENTIAL FOR RAPID FIRE SPREAD TODAY... .STRONG NORTHWEST WINDS AND LOW HUMIDITY WILL MAKE IT HARD TO CONTROL WILDFIRES TODAY. WINDS OF 20 MPH...HUMIDITY MINIMUMS NEAR 20 PERCENT...WILL PROMOTE POTENTIAL FOR RAPID FIRE SPREAD IF A WILDLAND FIRE OCCURS TODAY. VAZ007-009>020-022>024-032>035-047-231600- /O.UPG.KRNK.FW.A.0003.140423T1500Z-140424T0000Z/ /O.NEW.KRNK.FW.W.0003.140423T1500Z-140424T0000Z/ TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON- CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT- ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-BUCKINGHAM- 400 AM EDT WED APR 23 2014 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR AREAS ALONG THE BLUE RIDGE FROM SOUTHWESTERN VIRGINIA NORTHWARD INTO NORTH CENTRAL VIRGINIA... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A RED FLAG WARNING FOR WEATHER CONDITIONS THAT WILL PROMOTE RAPID SPREAD OF WILDLAND FIRES. THIS WARNING IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...COUNTIES IN VIRGINIA...TAZEWELL...BLAND... SMYTH...GILES...WYTHE...PULASKI...MONTGOMERY...GRAYSON... CARROLL...FLOYD...CRAIG...ALLEGHANY...BATH...ROANOKE... BOTETOURT...ROCKBRIDGE...PATRICK...FRANKLIN...BEDFORD... AMHERST...AND BUCKINGHAM. * WINDS...NORTHWEST 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...GUSTY WINDS AND DRY VEGETATION WILL CREATE CONDITIONS FAVORABLE FOR THE DEVELOPMENT AND SPREAD OF WILDFIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE LIKELY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD OR POTENTIAL FOR EXPLOSIVE FIRE GROWTH. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WWW.ERH.NOAA.GOV/ER/RNK/EMER/EMER_FIRE.PHP (ALL LOWER CASE)
2 follow-up statements
295 WWUS81 KRNK 231546 RFWRNK URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1146 AM EDT WED APR 23 2014 ...POTENTIAL FOR RAPID FIRE SPREAD THROUGH THIS AFTERNOON... .STRONG NORTHWEST WINDS AND LOW HUMIDITY WILL MAKE IT HARD TO CONTROL WILDFIRES THIS AFTERNOON. WINDS OF 20 MPH...HUMIDITY MINIMUMS NEAR 20 PERCENT...WILL PROMOTE POTENTIAL FOR RAPID FIRE SPREAD IF A WILDLAND FIRE OCCURS. VAZ007-009>020-022>024-032>035-047-240000- /O.CON.KRNK.FW.W.0003.000000T0000Z-140424T0000Z/ TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON- CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT- ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-BUCKINGHAM- 1146 AM EDT WED APR 23 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR AREAS ALONG THE BLUE RIDGE IN VIRGINIA... * AFFECTED AREA...IN VIRGINIA...FIRE WEATHER ZONE 007 TAZEWELL... FIRE WEATHER ZONE 009 SMYTH...FIRE WEATHER ZONE 010 BLAND... FIRE WEATHER ZONE 011 GILES...FIRE WEATHER ZONE 012 WYTHE... FIRE WEATHER ZONE 013 PULASKI...FIRE WEATHER ZONE 014 MONTGOMERY... FIRE WEATHER ZONE 015 GRAYSON...FIRE WEATHER ZONE 016 CARROLL... FIRE WEATHER ZONE 017 FLOYD...FIRE WEATHER ZONE 018 CRAIG...FIRE WEATHER ZONE 019 ALLEGHANY VA...FIRE WEATHER ZONE 020 BATH...FIRE WEATHER ZONE 022 ROANOKE...FIRE WEATHER ZONE 023 BOTETOURT...FIRE WEATHER ZONE 024 ROCKBRIDGE...FIRE WEATHER ZONE 032 PATRICK... FIRE WEATHER ZONE 033 FRANKLIN...FIRE WEATHER ZONE 034 BEDFORD... FIRE WEATHER ZONE 035 AMHERST AND FIRE WEATHER ZONE 047 BUCKINGHAM. * WINDS...NORTHWEST 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...GUSTY WINDS AND DRY VEGETATION WILL CREATE CONDITIONS FAVORABLE FOR THE DEVELOPMENT AND SPREAD OF WILDFIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE LIKELY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD OR POTENTIAL FOR EXPLOSIVE FIRE GROWTH. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WWW.ERH.NOAA.GOV/ER/RNK/EMER/EMER_FIRE.PHP (ALL LOWER CASE)
376 WWUS81 KRNK 240006 RFWRNK URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 806 PM EDT WED APR 23 2014 VAZ007-009>020-022>024-032>035-047-240115- /O.EXP.KRNK.FW.W.0003.000000T0000Z-140424T0000Z/ TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON- CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT- ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-BUCKINGHAM- 806 PM EDT WED APR 23 2014 ...RED FLAG WARNING HAS EXPIRED FOR CENTRAL...WEST CENTRAL...AND SOUTHWEST VIRGINIA... WITH THE LOSS OF DAYTIME HEATING AND COOLING TEMPERATURES...RELATIVE HUMIDITY LEVELS WILL CONTINUE TO RISE THROUGH THE EVENING...ALREADY HAVING RISEN ABOVE THE CRITICAL 25 PERCENT LEVEL IN MOST AREAS. THUS...THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WWW.ERH.NOAA.GOV/ER/RNK/EMER/EMER_FIRE.PHP (ALL LOWER CASE) RAB
Nearby
Red Flag Warnings in Virginia, 2014Every red flag warning in 2014
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.