Alert archive / North Carolina / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this red flag warning at Apr 30, 2021, 5:30 AM EDT for 16 counties in North Carolina. It took effect at Apr 30, 2021, 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 30, 2021, 5:30 AM EDT (09:30 UTC)
- In effect from
- Apr 30, 2021, 12:00 PM EDT
- Expired
- Apr 30, 2021, 8:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Alexander County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Iredell County, NC, Lincoln County, NC, McDowell County, NC, Mecklenburg County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Union County, NC
The radar
The Greer radar (KGSP), 117 km from the middle of the area, began a volume at 09:31 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, 9.5 hours before the alert went out and 133 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
- 1619 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
148 WWUS82 KGSP 300930 RFWGSP URGENT - FIRE WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 530 AM EDT Fri Apr 30 2021 ...DRY AND WINDY TODAY... .Windy conditions are expected starting around daybreak behind the departing cold front. A very dry air mass moves in behind the front as well, bringing relative humidity values down near critical levels. NCZ036-037-057-071-072-082-301700- /O.UPG.KGSP.FW.A.0002.210430T1600Z-210501T0000Z/ /O.NEW.KGSP.FW.W.0002.210430T1600Z-210501T0000Z/ Iredell-Davie-Rowan-Mecklenburg-Cabarrus-Union NC- 530 AM EDT Fri Apr 30 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR... 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. * AFFECTED AREA...Iredell, Davie, Rowan, Mecklenburg, Cabarrus and Union NC. * TIMING...This afternoon through early evening. * WINDS...Northwest 10 to 15 mph with gusts up to 30 mph. * HUMIDITY...As low as 25 percent. * FUEL MOISTURE...Already seasonably low will likely drop further with no significant wetting rain in the forecast tonight or Friday. * IMPACTS...Outdoor fires may easily grow out of control in these conditions. 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. && $$ NCZ035-056-068>070-502-504-506-508-510-301700- /O.CON.KGSP.FW.A.0002.210430T1600Z-210501T0000Z/ Alexander-Catawba-Cleveland-Lincoln-Gaston-Greater Caldwell- Greater Burke-Eastern McDowell-Greater Rutherford-Eastern Polk- 530 AM EDT Fri Apr 30 2021 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA... * AFFECTED AREA...Alexander, Catawba, Cleveland, Lincoln, Gaston, Greater Caldwell, Greater Burke, Eastern McDowell, Greater Rutherford and Eastern Polk. * TIMING...This afternoon through early evening. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY...As low as 25 percent. * FUEL MOISTURE...Already seasonably low will likely drop further with no significant wetting rain in the forecast until early next week. * IMPACTS...Outdoor fires may easily grow out of control in these conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$
3 follow-up statements
626 WWUS82 KGSP 301243 RFWGSP URGENT - FIRE WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 843 AM EDT Fri Apr 30 2021 ...DRY AND WINDY TODAY... .Windy conditions are expected today behind a departing cold front. A very dry air mass will also move into the region before the front, bringing relative humidity values down to critical levels. NCZ035-056-068>070-502-504-506-508-510-010000- /O.UPG.KGSP.FW.A.0002.210430T1600Z-210501T0000Z/ /O.EXA.KGSP.FW.W.0002.210430T1600Z-210501T0000Z/ Alexander-Catawba-Cleveland-Lincoln-Gaston-Greater Caldwell- Greater Burke-Eastern McDowell-Greater Rutherford-Eastern Polk- 843 AM EDT Fri Apr 30 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH CAROLINA FOOTHILLS AND WESTERN PIEDMONT... 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. * AFFECTED AREA...Alexander, Catawba, Cleveland, Lincoln, Gaston, Greater Caldwell, Greater Burke, Eastern McDowell, Greater Rutherford and Eastern Polk. * TIMING...This afternoon through early evening. * WINDS...Northwest 10 to 20 mph, with gusts up to 30 mph at times. * HUMIDITY...As low as 25 percent. * FUEL MOISTURE...Already low fuel moisture will likely dry out further today in the windy conditions. * IMPACTS...Outdoor fires may easily grow out of control under these conditions. 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. && $$ NCZ036-037-057-071-072-082-010000- /O.CON.KGSP.FW.W.0002.210430T1600Z-210501T0000Z/ Iredell-Davie-Rowan-Mecklenburg-Cabarrus-Union NC- 843 AM EDT Fri Apr 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE PIEDMONT OF THE WESTERN CAROLINAS... * AFFECTED AREA...Iredell, Davie, Rowan, Mecklenburg, Cabarrus and Union NC. * TIMING...This afternoon through early evening. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph at times. * HUMIDITY...As low as 25 percent. * FUEL MOISTURE...Already low fuel moistures will dry out further with the windy conditions today. * IMPACTS...Outdoor fires may easily grow out of control under these conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ HG
634 WWUS82 KGSP 301829 RFWGSP URGENT - FIRE WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 229 PM EDT Fri Apr 30 2021 ...DRY AND WINDY CONDITIONS PRODUCING CRITICAL FIRE DANGER TODAY... .Windy conditions have developed this afternoon behind a departing cold front. A very dry air mass has moved into the region as well, bringing relative humidity values down to critical levels. NCZ035>037-056-057-068>072-082-502-504-506-508-510-010000- /O.CON.KGSP.FW.W.0002.000000T0000Z-210501T0000Z/ Alexander-Iredell-Davie-Catawba-Rowan-Cleveland-Lincoln-Gaston- Mecklenburg-Cabarrus-Union NC-Greater Caldwell-Greater Burke- Eastern McDowell-Greater Rutherford-Eastern Polk- 229 PM EDT Fri Apr 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH CAROLINA FOOTHILLS AND WESTERN PIEDMONT... * AFFECTED AREA...Alexander, Iredell, Davie, Catawba, Rowan, Cleveland, Lincoln, Gaston, Mecklenburg, Cabarrus, Union NC, Greater Caldwell, Greater Burke, Eastern McDowell, Greater Rutherford and Eastern Polk. * TIMING...This afternoon through early evening. * WINDS...Northwest 10 to 20 mph, with gusts up to 30 mph at times. * HUMIDITY...As low as 25 percent. * FUEL MOISTURE...Already low fuel moisture will likely dry out further this afternoon in the windy conditions. * IMPACTS...Outdoor fires may easily grow out of control under these conditions. 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. && $$ HG
270 WWUS82 KGSP 010003 RFWGSP URGENT - FIRE WEATHER MESSAGE National Weather Service Greenville-Spartanburg SC 803 PM EDT Fri Apr 30 2021 NCZ035>037-056-057-068>072-082-502-504-506-508-510-010115- /O.EXP.KGSP.FW.W.0002.000000T0000Z-210501T0000Z/ Alexander-Iredell-Davie-Catawba-Rowan-Cleveland-Lincoln-Gaston- Mecklenburg-Cabarrus-Union NC-Greater Caldwell-Greater Burke- Eastern McDowell-Greater Rutherford-Eastern Polk- 803 PM EDT Fri Apr 30 2021 ...RED FLAG WARNING HAS EXPIRED FOR THE NORTH CAROLINA FOOTHILLS AND WESTERN PIEDMONT... Winds will continue to steadily diminish and relative humidity steadily increase through the evening. Therefore, the Red Flag Warning has been allowed to expire. $$ Lane
Nearby
Red Flag Warnings in North Carolina, 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.