Alert archive / Virginia / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Blacksburg, VA
NWS Blacksburg, VA issued this red flag warning at Mar 11, 2021, 3:24 AM EST for 12 counties in Virginia. It took effect at Mar 11, 2021, 10:00 AM EST. 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
- Mar 11, 2021, 3:24 AM EST (08:24 UTC)
- In effect from
- Mar 11, 2021, 10:00 AM EST
- Expired
- Mar 11, 2021, 7:00 PM EST
- In force
- 9 hr
- Issued by
- NWS Blacksburg, VA
Counties Amherst County, VA, Appomattox County, VA, Bath County, VA, Bedford County, VA, Buckingham County, VA, Campbell County, VA, Charlotte County, VA, City of Danville, VA, City of Lynchburg, VA, Halifax County, VA, Pittsylvania County, VA, Rockbridge County, VA
The radar
The Roanoke radar (KFCX), 104 km from the middle of the area, began a volume at 08:28 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, 8.4 hours before the alert went out and 33 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3355 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
994 WWUS81 KRNK 110824 RFWRNK URGENT - FIRE WEATHER MESSAGE National Weather Service Blacksburg VA 324 AM EST Thu Mar 11 2021 ...Very Dry and Breezy Today... .Southwest winds will increase ahead of an approaching cold front today. Wind gusts to 30 mph are possible, especially east of U.S. Highway 29. The combination of gusty winds, low relative humidity values, and very dry conditions will favor rapid rates of spread if a wildfire occurs. VAZ034-035-044>047-058-059-120000- /O.UPG.KRNK.FW.A.0001.210311T1500Z-210312T0000Z/ /O.NEW.KRNK.FW.W.0001.210311T1500Z-210312T0000Z/ Bedford-Amherst-Pittsylvania-Campbell-Appomattox-Buckingham- Halifax-Charlotte- 324 AM EST Thu Mar 11 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EST THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITY VALUES FOR SOUTHSIDE VIRGINIA... The National Weather Service in Blacksburg has issued a Red Flag Warning for winds and low relative humidity values, which is in effect from 10 AM this morning to 7 PM EST this evening. The Fire Weather Watch is no longer in effect. * Affected Area...In Virginia, Fire Weather Zone 034 Bedford, Fire Weather Zone 035 Amherst, Fire Weather Zone 044 Pittsylvania, Fire Weather Zone 045 Campbell, Fire Weather Zone 046 Appomattox, Fire Weather Zone 047 Buckingham, Fire Weather Zone 058 Halifax and Fire Weather Zone 059 Charlotte. * Timing...Mid morning through this evening. * Winds...Southwest 15 to 20 mph with gusts up to 30 mph. * Relative Humidity...As low as 22 percent. * Temperatures...In the mid 70s. * Impacts...If a wildland fire occurs, expect rapid rates of spread...control will be difficult. 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. && $$ VAZ020-024-120000- /O.NEW.KRNK.FW.W.0001.210311T1500Z-210312T0000Z/ Bath-Rockbridge- 324 AM EST Thu Mar 11 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EST THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITY VALUES FOR ... The National Weather Service in Blacksburg has issued a Red Flag Warning for Rockbridge and Bath Counties, which is in effect from 10 AM this morning to 7 PM EST this evening. * Affected Area...In Virginia, Fire Weather Zone 020 Bath and Fire Weather Zone 024 Rockbridge. * Timing...Mid morning through this evening. * Winds...Southwest 15 to 20 mph with gusts up to 30 mph. * Relative Humidity...As low as 23 percent. * Temperatures...In the upper 60s. * Impacts...If a wildland fire occurs, expect rapid rates of spread...control will be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ For more information from NOAA/National Weather Service visit... http://www.weather.gov/rnk/fire (all lower case)
2 follow-up statements
120 WWUS81 KRNK 111903 RFWRNK URGENT - FIRE WEATHER MESSAGE National Weather Service Blacksburg VA 203 PM EST Thu Mar 11 2021 ...Very Dry and Breezy Through Early Evening... .Southwest winds will remain gusty at 20 to 30 mph, especially east of U.S. Highway 29. The combination of gusty winds, low relative humidity values, and very dry conditions will favor rapid rates of spread if a wildfire occurs. VAZ020-024-034-035-044>047-058-059-120000- /O.CON.KRNK.FW.W.0001.000000T0000Z-210312T0000Z/ Bath-Rockbridge-Bedford-Amherst-Pittsylvania-Campbell-Appomattox- Buckingham-Halifax-Charlotte- 203 PM EST Thu Mar 11 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHSIDE VIRGINIA NORTH TO THE JAMES RIVER BASIN... A Red Flag Warning remains in effect for winds and low relative humidity values, which continues through 7 PM EST this evening. * Affected Area...In Virginia, Fire Weather Zone 020 Bath, Fire Weather Zone 024 Rockbridge, Fire Weather Zone 034 Bedford, Fire Weather Zone 035 Amherst, Fire Weather Zone 044 Pittsylvania, Fire Weather Zone 045 Campbell, Fire Weather Zone 046 Appomattox, Fire Weather Zone 047 Buckingham, Fire Weather Zone 058 Halifax and Fire Weather Zone 059 Charlotte. * Timing...Through this evening. * Winds...Southwest 10 to 15 mph with gusts up to 30 mph. * Relative Humidity...20 to 25 percent. * Temperatures...In the mid to upper 70s. * Impacts...If a wildland fire occurs, expect rapid rates of spread...control will be difficult. 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. && $$ For more information from NOAA/National Weather Service visit... http://www.weather.gov/rnk/fire (all lower case)
745 WWUS81 KRNK 120022 RFWRNK URGENT - FIRE WEATHER MESSAGE National Weather Service Blacksburg VA 722 PM EST Thu Mar 11 2021 VAZ020-024-034-035-044>047-058-059-120130- /O.EXP.KRNK.FW.W.0001.000000T0000Z-210312T0000Z/ Bath-Rockbridge-Bedford-Amherst-Pittsylvania-Campbell-Appomattox- Buckingham-Halifax-Charlotte- 722 PM EST Thu Mar 11 2021 ...RED FLAG WARNING HAS EXPIRED... Now that the sun had gone down, the humidity is increasing and wind speeds are diminishing. $$ For more information from NOAA/National Weather Service visit... http://www.weather.gov/rnk/fire (all lower case)
Nearby
Red Flag Warnings in Virginia, 2021Every red flag warning in 2021
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.