Alert archive / New Jersey / Red Flag Warnings in 2012

Red Flag Warning 6, NWS Philadelphia/Mount Holly

April 7, 20124 states

NWS Philadelphia/Mount Holly issued this red flag warning at Apr 7, 2012, 8:14 PM EDT for 4 states. It took effect at Apr 8, 2012, 10:00 AM EDT. It was in force for 10 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 7, 2012, 8:14 PM EDT (00:14 UTC)
In effect from
Apr 8, 2012, 10:00 AM EDT
Expired
Apr 8, 2012, 8:01 PM EDT
In force
10 hr
Issued by
NWS Philadelphia/Mount Holly
All 31 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Carbon County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 00:16 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

Brookhaven, NY (KOKX), launched 00:00Z, 0.2 hours before the alert went out and 222 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, Brookhaven, NY at 00:00Z on 2012-04-08Temperature 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, Brookhaven, NY at 00:00Z on 2012-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 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
2674 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
91 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.

338 
WWUS81 KPHI 080014
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
814 PM EDT SAT APR 7 2012

NJZ001-007>010-012>027-PAZ054-055-060>062-067>071-081000-
/O.EXP.KPHI.FW.W.0005.000000T0000Z-120408T0000Z/
/O.UPG.KPHI.FW.A.0005.120408T1400Z-120409T0000Z/
/O.NEW.KPHI.FW.W.0006.120408T1400Z-120409T0000Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
814 PM EDT SAT APR 7 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM EDT SUNDAY..
 
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS UPGRADED THE FIRE
WEATHER WATCH TO A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10
AM TO 8 PM EDT SUNDAY.  
 
* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.

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

* TIMING...THE PEAK WINDS AND LOWEST RELATIVE HUMIDITY LEVELS ARE
  EXPECTED LATE MORNING THROUGH EARLY EVENING ON SUNDAY.

* IMPACTS...THE FIRE DANGER SHOULD BE ELEVATED DUE TO THE GUSTY 
  WINDS AND DRY CONDITIONS. AS A RESULT...THE POTENTIAL EXISTS 
  FOR RAPID SPREAD IF UNCONTROLLED FIRES DEVELOP OR EVEN FOR 
  PRESCRIBED BURNS TO GET OUT OF CONTROL. OUTDOOR BURNING IS NOT 
  RECOMMENDED. 

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 AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH
POTENTIAL.

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$

DEZ001>004-MDZ008-012-015-019-020-081000-
/O.EXP.KPHI.FW.W.0005.000000T0000Z-120408T0000Z/
/O.CON.KPHI.FW.A.0005.120408T1400Z-120409T0000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-
814 PM EDT SAT APR 7 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...
 
* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

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

* TIMING...THE PEAK WINDS AND LOWEST RELATIVE HUMIDITY LEVELS ARE
  EXPECTED LATE MORNING THROUGH EARLY EVENING ON SUNDAY.

* IMPACTS...THE FIRE DANGER SHOULD BE ELEVATED DUE TO THE GUSTY 
  WINDS AND DRY CONDITIONS. AS A RESULT...THE POTENTIAL EXISTS 
  FOR RAPID SPREAD IF UNCONTROLLED FIRES DEVELOP OR EVEN FOR 
  PRESCRIBED BURNS TO GET OUT OF CONTROL. OUTDOOR BURNING IS NOT 
  RECOMMENDED. 

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 ABOUT WILDFIRE DANGER...BURN RESTRICTIONS
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.


&&

$$


TFG
3 follow-up statements
392 
WWUS81 KPHI 080128
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
928 PM EDT SAT APR 7 2012

DEZ001>004-MDZ008-012-015-019-020-080930-
/O.UPG.KPHI.FW.A.0005.120408T1400Z-120409T0000Z/
/O.EXA.KPHI.FW.W.0006.120408T1400Z-120409T0000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-
928 PM EDT SAT APR 7 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM EDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 8 PM EDT SUNDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

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

* TIMING...THE PEAK WINDS AND LOWEST RELATIVE HUMIDITY LEVELS ARE
  EXPECTED LATE MORNING THROUGH EARLY EVENING ON SUNDAY.

* IMPACTS...THE FIRE DANGER SHOULD BE ELEVATED DUE TO THE GUSTY
  WINDS AND DRY CONDITIONS. AS A RESULT...THE POTENTIAL EXISTS FOR
  RAPID SPREAD IF UNCONTROLLED FIRES DEVELOP OR EVEN FOR
  PRESCRIBED BURNS TO GET OUT OF CONTROL. OUTDOOR BURNING IS NOT
  RECOMMENDED.

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 AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH
POTENTIAL.

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$

NJZ001-007>010-012>027-PAZ054-055-060>062-067>071-080930-
/O.CON.KPHI.FW.W.0006.120408T1400Z-120409T0000Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
928 PM EDT SAT APR 7 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM EDT
SUNDAY...

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.

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

* TIMING...THE PEAK WINDS AND LOWEST RELATIVE HUMIDITY LEVELS 
  ARE EXPECTED LATE MORNING THROUGH EARLY EVENING ON SUNDAY. 

* IMPACTS...THE FIRE DANGER SHOULD BE ELEVATED DUE TO THE GUSTY 
  WINDS AND DRY CONDITIONS. AS A RESULT...THE POTENTIAL EXISTS 
  FOR RAPID SPREAD IF UNCONTROLLED FIRES DEVELOP OR EVEN FOR 
  PRESCRIBED BURNS TO GET OUT OF CONTROL. OUTDOOR BURNING IS NOT 
  RECOMMENDED. 

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 AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH
POTENTIAL.

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$
287 
WWUS81 KPHI 080807
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
407 AM EDT SUN APR 8 2012

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-067>071-090000-
/O.NEW.KPHI.FW.A.0006.120409T1400Z-120410T0000Z/
/O.CON.KPHI.FW.W.0006.120408T1400Z-120409T0000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
407 AM EDT SUN APR 8 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM EDT THIS EVENING...

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING INTO MONDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY MAINTAINS THE RED FLAG
WARNING FOR TODAY...WHICH IS IN EFFECT FROM 10 AM TO 8 PM. THE
NATIONAL WEATHER SERVICE IN MOUNT HOLLY ALSO HAS ISSUED A FIRE
WEATHER WATCH FOR MONDAY...WHICH IS IN EFFECT FROM MONDAY MORNING
INTO MONDAY EVENING.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH TODAY. WEST 15
  TO 25 MPH WITH GUSTS UP TO 40 MPH ON MONDAY.

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

* TIMING...THE PEAK WINDS AND LOWEST RELATIVE HUMIDITY LEVELS ARE
  EXPECTED FROM LATE MORNING THROUGH EARLY EVENING TODAY AND LATE
  MORNING THROUGH LATE AFTERNOON ON MONDAY.

* IMPACTS...THE FIRE DANGER SHOULD BE ELEVATED DUE TO THE GUSTY 
  WINDS AND DRY CONDITIONS. AS A RESULT...THE POTENTIAL EXISTS 
  FOR RAPID SPREAD IF UNCONTROLLED FIRES DEVELOP OR EVEN FOR 
  PRESCRIBED BURNS TO GET OUT OF CONTROL. OUTDOOR BURNING IS NOT 
  RECOMMENDED. 

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 AND LOW RELATIVE HUMIDITY 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.

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$
123 
WWUS81 KPHI 090001
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
801 PM EDT SUN APR 8 2012

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-067>071-091015-
/O.CAN.KPHI.FW.W.0006.000000T0000Z-120409T0000Z/
/O.UPG.KPHI.FW.A.0006.120409T1400Z-120410T0000Z/
/O.NEW.KPHI.FW.W.0007.120409T1400Z-120410T0000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
801 PM EDT SUN APR 8 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG
WARNING WHICH IS IN EFFECT FROM 10 AM TO 8 PM EDT MONDAY. THE
FIRE WEATHER WATCH FOR MONDAY IS NO LONGER IN EFFECT.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

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

* TIMING...THE PEAK WINDS AND LOWEST RELATIVE HUMIDITY LEVELS ARE
  EXPECTED FROM LATE MORNING THROUGH LATE AFTERNOON ON MONDAY.

* IMPACTS...THE FIRE DANGER SHOULD BE ELEVATED DUE TO THE GUSTY 
  WINDS AND DRY CONDITIONS. AS A RESULT...THE POTENTIAL EXISTS 
  FOR RAPID SPREAD IF UNCONTROLLED FIRES DEVELOP OR EVEN FOR 
  PRESCRIBED BURNS TO GET OUT OF CONTROL. OUTDOOR BURNING IS NOT 
  RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS AND
LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 8, 4:07 AM EDTFire Weather WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot16 hr
Apr 8, 10:03 AM EDTCoastal Flood StatementPHISussex15 hr
Apr 8, 3:56 AM EDTGale WarningPHI38 hr
Apr 8, 3:56 AM EDTSmall Craft AdvisoryPHI24 hr

Nearby

Red Flag Warnings in New Jersey, 2012Red Flag Warnings in Pennsylvania, 2012Red Flag Warnings in Maryland, 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.