Alert archive / North Carolina / Red Flag Warnings in 2011
Red Flag Warning 1, NWS Raleigh, NC
NWS Raleigh, NC issued this red flag warning at Feb 14, 2011, 4:12 AM EST for 27 counties in North Carolina. It took effect at Feb 14, 2011, 10:00 AM EST. It was in force for 11 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 14, 2011, 4:12 AM EST (09:12 UTC)
- In effect from
- Feb 14, 2011, 10:00 AM EST
- Expired
- Feb 14, 2011, 9:00 PM EST
- In force
- 11 hr
- Issued by
- NWS Raleigh, NC
All 27 counties
Alamance County, NC, Anson County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Durham 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, Scotland County, NC, Stanly County, NC, Vance County, NC, Wake County, NC, Warren County, NC
The radar
The Raleigh/Durham radar (KRAX), 59 km from the middle of the area, began a volume at 09:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 14, 3:08 PM EST | NON-TSTM WND GST 43 | 5 Ese Colfax, NC | 43 MPH GUST AT GSO ASOS |
| Feb 14, 4:06 PM EST | NON-TSTM WND GST 41 | 2 Ne Alamance, NC | 41 MPH GUST AT BUY ASOS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 9.2 hours before the alert went out and 79 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
- 2831 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
011 WWUS82 KRAH 140912 RFWRAH URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RALEIGH NC 412 AM EST MON FEB 14 2011 ...RED FLAG WARNING IN EFFECT FOR MUCH OF CENTRAL NORTH CAROLINA TODAY... .WINDY CONDITIONS COMBINED WITH LOW MINIMUM RELATIVE HUMIDITY AND DRY FUELS WILL CREATE DANGEROUS FIRE BEHAVIOR TODAY. NCZ007>011-021>027-038>042-073>077-083>086-088-142300- /O.UPG.KRAH.FW.A.0001.110214T1500Z-110215T0200Z/ /O.NEW.KRAH.FW.W.0001.110214T1500Z-110215T0200Z/ PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE- ORANGE-DURHAM-FRANKLIN-NASH-DAVIDSON-RANDOLPH-CHATHAM-WAKE- JOHNSTON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-ANSON-RICHMOND- SCOTLAND-HOKE-CUMBERLAND- 412 AM EST MON FEB 14 2011 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 9 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM EST THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. SOUTHWEST TO WEST WINDS AT 15 TO 25 MPH ARE EXPECTED TO GUST BETWEEN 32 TO 40 MPH TODAY. THE STRONGEST WINDS WILL OCCUR BETWEEN 2 PM AND 8 PM. THESE STRONG WINDS COMBINED WITH LOW HUMIDITY AND VERY DRY TREE AND LEAF LITTER WILL POSE A RISK FOR EXPLOSIVE FIRE GROWTH. ANY FIRES THAT OCCUR WILL QUICKLY SPREAD AND GROW OUT OF CONTROL. FIRES MAY BE EASILY IGNITED BY SPARKS OR BY DISCARDED SMOKING MATERIALS. PEOPLE ARE ENCOURAGED TO POSTPONE ANY BURNING UNTIL TUESDAY...AND TO PROPERLY EXTINGUISH ALL SMOKING MATERIALS. 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 EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
3 follow-up statements
779 WWUS82 KRAH 141540 RFWRAH URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RALEIGH NC 1040 AM EST MON FEB 14 2011 ...RED FLAG WARNING IN EFFECT FOR MUCH OF CENTRAL NORTH CAROLINA TODAY... .WINDY CONDITIONS COMBINED WITH LOW MINIMUM RELATIVE HUMIDITY AND DRY FUELS WILL CREATE DANGEROUS FIRE BEHAVIOR TODAY. NCZ007>011-021>027-038>042-073>077-083>086-088-142345- /O.CON.KRAH.FW.W.0001.000000T0000Z-110215T0200Z/ PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE- ORANGE-DURHAM-FRANKLIN-NASH-DAVIDSON-RANDOLPH-CHATHAM-WAKE- JOHNSTON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-ANSON-RICHMOND- SCOTLAND-HOKE-CUMBERLAND- 1040 AM EST MON FEB 14 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING. SOUTHWEST TO WEST WINDS AT 15 TO 25 MPH WILL GUST BETWEEN 30 TO 40 MPH THIS AFTERNOON. THE STRONGEST WINDS WILL OCCUR BETWEEN 2 PM AND 8 PM. THESE STRONG WINDS COMBINED WITH LOW HUMIDITY AROUND 20 PERCENT AND VERY DRY TREE AND LEAF LITTER WILL POSE A RISK FOR EXPLOSIVE FIRE GROWTH. ANY FIRES THAT OCCUR WILL QUICKLY SPREAD AND GROW OUT OF CONTROL. FIRES MAY BE EASILY IGNITED BY SPARKS OR BY DISCARDED SMOKING MATERIALS. PEOPLE ARE ENCOURAGED TO POSTPONE ANY BURNING UNTIL TUESDAY...AND TO PROPERLY EXTINGUISH ALL SMOKING MATERIALS. CONSTRUCTION TOOLS AND HEAVY EQUIPMENT WHICH GENERATE HIGH HEAT AND SPARKS SHOULD BE USED WITH CAUTION AROUND DRY LANDSCAPING MATERIALS AND NEAR WOODED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
406 WWUS82 KRAH 142034 RFWRAH URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RALEIGH NC 334 PM EST MON FEB 14 2011 ...RED FLAG WARNING IN EFFECT FOR MUCH OF CENTRAL NORTH CAROLINA TODAY... .WINDY CONDITIONS COMBINED WITH LOW MINIMUM RELATIVE HUMIDITY AND DRY FUELS WILL CREATE DANGEROUS FIRE BEHAVIOR TODAY. NCZ007>011-021>027-038>042-073>077-083>086-088-150200- /O.CON.KRAH.FW.W.0001.000000T0000Z-110215T0200Z/ PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE- ORANGE-DURHAM-FRANKLIN-NASH-DAVIDSON-RANDOLPH-CHATHAM-WAKE- JOHNSTON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-ANSON-RICHMOND- SCOTLAND-HOKE-CUMBERLAND- 334 PM EST MON FEB 14 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM EST THIS EVENING. SOUTHWEST TO WEST WINDS AT 15 TO 25 MPH WILL GUST BETWEEN 30 TO 40 MPH THIS AFTERNOON. THE STRONGEST WINDS WILL OCCUR BETWEEN 3 PM AND 8 PM. THESE STRONG WINDS COMBINED WITH LOW HUMIDITY OF 15 TO 25 PERCENT AND VERY DRY TREE AND LEAF LITTER WILL POSE A RISK FOR EXPLOSIVE FIRE GROWTH. ANY FIRES THAT OCCUR WILL QUICKLY SPREAD AND GROW OUT OF CONTROL. FIRES MAY BE EASILY IGNITED BY SPARKS OR BY DISCARDED SMOKING MATERIALS. PEOPLE ARE ENCOURAGED TO POSTPONE ANY BURNING UNTIL TUESDAY...AND TO PROPERLY EXTINGUISH ALL SMOKING MATERIALS. CONSTRUCTION TOOLS AND HEAVY EQUIPMENT WHICH GENERATE HIGH HEAT AND SPARKS SHOULD BE USED WITH CAUTION AROUND DRY LANDSCAPING MATERIALS AND NEAR WOODED AREAS. 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 EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
908 WWUS82 KRAH 150201 RFWRAH URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RALEIGH NC 901 PM EST MON FEB 14 2011 NCZ007>011-021>027-038>042-073>077-083>086-088-150315- /O.EXP.KRAH.FW.W.0001.000000T0000Z-110215T0200Z/ PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE- ORANGE-DURHAM-FRANKLIN-NASH-DAVIDSON-RANDOLPH-CHATHAM-WAKE- JOHNSTON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-ANSON-RICHMOND- SCOTLAND-HOKE-CUMBERLAND- 901 PM EST MON FEB 14 2011 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. $$
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 3:59 AM EST | Wind Advisory | RAH | Alamance, Chatham, Davidson, Durham, Edgecombe, Forsyth and 19 more | 14 hr |
Nearby
Red Flag Warnings in North Carolina, 2011Every red flag warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.