Alert archive / North Carolina / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Raleigh, NC
NWS Raleigh, NC issued this red flag warning at Apr 30, 2021, 3:25 AM EDT for 31 counties in North Carolina. It took effect at Apr 30, 2021, 10:00 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 30, 2021, 3:25 AM EDT (07:25 UTC)
- In effect from
- Apr 30, 2021, 10:00 AM EDT
- Expired
- Apr 30, 2021, 7:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Raleigh, NC
All 31 counties
Alamance County, NC, Anson County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Durham County, NC, Edgecombe County, NC, Forsyth County, NC, Franklin County, NC, Granville County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 45 km from the middle of the area, began a volume at 07:24 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, 7.4 hours before the alert went out and 93 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.
873 WWUS82 KRAH 300725 RFWRAH URGENT - FIRE WEATHER MESSAGE National Weather Service Raleigh NC 325 AM EDT Fri Apr 30 2021 ...Low humidity and strong gusty winds will lead to high fire danger today... .Windy and dry conditions today will lead to a high fire danger, make any fire difficult to control. NCZ007>011-021>028-038>043-073>078-083>086-088-089-302300- /O.UPG.KRAH.FW.A.0002.210430T1600Z-210430T2300Z/ /O.NEW.KRAH.FW.W.0002.210430T1400Z-210430T2300Z/ Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham- Wake-Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne- Anson-Richmond-Scotland-Hoke-Cumberland-Sampson- 325 AM EDT Fri Apr 30 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EDT THIS EVENING FOR CENTRAL NORTH CAROLINA... The National Weather Service in Raleigh has issued a Red Flag Warning for elevated fire danger, which is in effect from 10 AM this morning to 7 PM EDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...All of central North Carolina. * TIMING...Late this morning through early evening. * WINDS...Northwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 24 percent. * TEMPERATURES...In the mid 70s to lower 80s. * 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 will create dangerous fire behavior. && $$
2 follow-up statements
763 WWUS82 KRAH 301401 RFWRAH URGENT - FIRE WEATHER MESSAGE National Weather Service Raleigh NC 1001 AM EDT Fri Apr 30 2021 ...Low humidity and strong gusty winds will lead to high fire danger today... .Windy and dry conditions today will lead to a high fire danger, making any fire difficult to control. NCZ007>011-021>028-038>043-073>078-083>086-088-089-302300- /O.CON.KRAH.FW.W.0002.000000T0000Z-210430T2300Z/ Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham- Wake-Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne- Anson-Richmond-Scotland-Hoke-Cumberland-Sampson- 1001 AM EDT Fri Apr 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR CENTRAL NORTH CAROLINA... * AFFECTED AREA...All of central North Carolina * TIMING...Through early evening. * WINDS...Northwest 15 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 23 percent. * TEMPERATURES...In the mid 70s to lower 80s. * IMPACTS...Outdoor fires may easily grow out of control in these conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures will create dangerous fire behavior. && $$
577 WWUS82 KRAH 302304 RFWRAH URGENT - FIRE WEATHER MESSAGE National Weather Service Raleigh NC 704 PM EDT Fri Apr 30 2021 NCZ007>011-021>028-038>043-073>078-083>086-088-089-010015- /O.EXP.KRAH.FW.W.0002.000000T0000Z-210430T2300Z/ Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham- Wake-Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne- Anson-Richmond-Scotland-Hoke-Cumberland-Sampson- 704 PM EDT Fri Apr 30 2021 ...RED FLAG WARNING HAS EXPIRED FOR FOR STRONG WINDS AND LOW RELATIVE HUMIDITY... Winds will gradually relax this evening and tonight with temperatures falling into the 60s. $$
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.