Alert archive / North Carolina / Red Flag Warnings in 2012

Red Flag Warning 2, NWS Raleigh, NC

April 9, 201218 counties in North Carolina

NWS Raleigh, NC issued this red flag warning at Apr 9, 2012, 10:03 AM EDT for 18 counties in North Carolina. It took effect at Apr 9, 2012, 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 9, 2012, 10:03 AM EDT (14:03 UTC)
In effect from
Apr 9, 2012, 12:00 PM EDT
Expired
Apr 9, 2012, 7:44 PM EDT
In force
8 hr
Issued by
NWS Raleigh, NC

Counties Alamance County, NC, Chatham 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, Nash County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 52 km from the middle of the area, began a volume at 14:01 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 12:00Z, 2.1 hours before the alert went out and 96 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2012-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2012-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -202 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2628 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-202 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

999 
WWUS82 KRAH 091403
RFWRAH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
1003 AM EDT MON APR 9 2012

...FIRE WEATHER WARNING THIS AFTERNOON THROUGH EARLY EVENING
ACROSS THE NORTHERN HALF OF CENTRAL NORTH CAROLINA...

.LOW RELATIVE HUMIDITY LEVELS AND STRONG WINDS WILL CREATE
ADVERSE FIRE BEHAVIOR ACROSS THE NORTH HALF OF CENTRAL NORTH
CAROLINA.

NCZ007>011-021>028-038>041-043-092215-
/O.UPG.KRAH.FW.A.0002.120409T1600Z-120409T2300Z/
/O.NEW.KRAH.FW.W.0002.120409T1600Z-120410T0000Z/
/O.NEW.KRAH.FW.A.0003.120410T1600Z-120411T0000Z/
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE-
ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-
WAKE-WILSON-
1003 AM EDT MON APR 9 2012

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR NORTH PARTS OF CENTRAL NORTH 
CAROLINA...
...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTH PARTS 
OF CENTRAL NORTH CAROLINA...

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
UNTIL 8 PM EDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN
ISSUED FOR TUESDAY AFTERNOON AND EVENING. THE FIRE WEATHER WATCH
FOR TODAY IS NO LONGER IN EFFECT.

* AFFECTED AREA...ROUGHLY ALONG AND NORTH OF HIGHWAY 64.

* TIMING...NOON TO 8 PM EDT.

* WINDS...WEST 12 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* RELATIVE HUMIDITY...AS LOW AS 18 TO 24 PERCENT.

* TREE LITTER AND OTHER FINE FUELS...THIS WILL BE THE SECOND DAY
OF GUSTY DRY WINDS. FINE FUELS SHOULD BE DRY.

* TEMPERATURES...WILL RISE INTO THE LOWER 70S.

* IMPACTS...ANY FIRES THAT OCCUR THIS AFTERNOON MAY QUICKLY GROW
  OUT OF CONTROL IF THEY FIND FAVORABLE FUELS AND ARE EXPOSED TO
  THE GUSTY WINDS.

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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

NCZ042-073>078-083>086-088-089-092215-
/O.NEW.KRAH.FW.A.0003.120410T1600Z-120411T0000Z/
JOHNSTON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-ANSON-RICHMOND-
SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
1003 AM EDT MON APR 9 2012

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH 
PARTS OF CENTRAL NORTH CAROLINA...

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A FIRE WEATHER
WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. 

* AFFECTED AREA...AREAS SOUTH OF HIGHWAY 64.

* TIMING...TUESDAY AFTERNOON AND EARLY EVENING.

* WINDS...GUSTS IN EXCESS OF 30 MPH DURING THE MID AND LATE 
AFTERNOON.

* RELATIVE HUMIDITY...AS LOW AS 20 TO 25 PERCENT.

* TREE LITTER AND OTHER FINE FUELS...TUESDAY WILL BE THE THIRD DAY
  OF DRYING GUSTY WINDS. FINE FUELS SHOULD BE DRY.

* TEMPERATURES...IN THE MID 70S.

* IMPACTS...ANY FIRES THAT OCCUR TUESDAY AFTERNOON MAY QUICKLY
  GROW OUT OF CONTROL IF THEY FIND FAVORABLE FUELS AND ARE EXPOSED
  TO THE GUSTY WINDS.

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.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/RALEIGH (ALL LOWER CASE)
1 follow-up statement
394 
WWUS82 KRAH 092344
RFWRAH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RALEIGH NC
744 PM EDT MON APR 9 2012

...RED FLAG WARNING HAS BEEN CANCELED THIS EVENING. A FIRE WEATHER
WATCH REMAINS IN EFFECT FOR TUESDAY AFTERNOON. 

.DRY CONDITIONS ALONG WITH GUSTY WINDS MAY CREATE ADVERSE FIRE
CONDITIONS ACROSS CENTRAL NORTH CAROLINA TUESDAY AFTERNOON. 

NCZ007>011-021>028-038>041-043-100745-
/O.CAN.KRAH.FW.W.0002.000000T0000Z-120410T0000Z/
/O.CON.KRAH.FW.A.0003.120410T1600Z-120411T0000Z/
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE-
ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-
WAKE-WILSON-
744 PM EDT MON APR 9 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH TUESDAY EVENING FOR GUSTY WIND AND LOW RELATIVE HUMIDITY. 

...RED FLAG WARNING IS CANCELLED... 

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS CANCELLED THE RED
FLAG WARNING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY
AFTERNOON THROUGH TUESDAY EVENING. 

* AFFECTED AREA...CENTRAL NORTH CAROLINA.

* TIMING...TUESDAY AFTERNOON AND EARLY EVENING.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* TREE LITTER AND OTHER FINE FUELS...TUESDAY WILL BE THE THIRD 
  DAY OF DRYING GUSTY WINDS. FINE FUELS SHOULD BE DRY. 

* TEMPERATURES...AROUND 70.

* IMPACTS...ANY FIRES THAT OCCUR TUESDAY AFTERNOON MAY QUICKLY 
  GROW OUT OF CONTROL IF THEY FIND FAVORABLE FUELS AND ARE 
  EXPOSED TO THE GUSTY WINDS. 

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.

&&

$$

NCZ042-073>078-083>086-088-089-100745-
/O.CON.KRAH.FW.A.0003.120410T1600Z-120411T0000Z/
JOHNSTON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-ANSON-RICHMOND-
SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
744 PM EDT MON APR 9 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH TUESDAY EVENING...

A FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH TUESDAY EVENING. 

* AFFECTED AREA...CENTRAL NORTH CAROLINA.

* TIMING...TUESDAY AFTERNOON AND EARLY EVENING.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* TREE LITTER AND OTHER FINE FUELS...TUESDAY WILL BE THE THIRD 
  DAY OF DRYING GUSTY WINDS. FINE FUELS SHOULD BE DRY. 

* TEMPERATURES...AROUND 70.

* IMPACTS...ANY FIRES THAT OCCUR TUESDAY AFTERNOON MAY QUICKLY 
  GROW OUT OF CONTROL IF THEY FIND FAVORABLE FUELS AND ARE 
  EXPOSED TO THE GUSTY WINDS. 

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.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/RALEIGH (ALL LOWER CASE)

PWB

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 10:03 AM EDTFire Weather WatchRAHAlamance, Anson, Chatham, Cumberland, Davidson, Durham and 25 more18 hr

Nearby

Red Flag Warnings in North Carolina, 2012Every red flag warning in 2012

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.