Alert archive / New Jersey / Red Flag Warnings in 2012

Red Flag Warning 5, NWS Philadelphia/Mount Holly

April 6, 20124 states

NWS Philadelphia/Mount Holly issued this red flag warning at Apr 6, 2012, 7:56 PM EDT for 4 states. It took effect at Apr 7, 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 6, 2012, 7:56 PM EDT (23:56 UTC)
In effect from: Apr 7, 2012, 10:00 AM EDT
Expired: Apr 7, 2012, 8:00 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 23:58 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.9 hours before the alert went out and 219 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1668 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -152 m²/s²
0-3 km storm-relative helicity: -134 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.

290 
WWUS81 KPHI 062356
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
756 PM EDT FRI APR 6 2012

NJZ001-007>010-012>027-PAZ054-055-060>062-067>071-070900-
/O.EXP.KPHI.FW.W.0004.000000T0000Z-120407T0000Z/
/O.UPG.KPHI.FW.A.0004.120407T1400Z-120408T0000Z/
/O.NEW.KPHI.FW.W.0005.120407T1400Z-120408T0000Z/
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-
756 PM EDT FRI APR 6 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM EDT SATURDAY...
...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING...

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FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

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

* RELATIVE HUMIDITY...AROUND 20 PERCENT.

* TIMING...THE PEAK IN THE WINDS AND DRY CONDITIONS ARE EXPECTED 
  TO OCCUR FROM LATE MORNING THROUGH EARLY EVENING. 

* IMPACTS...THE FIRE DANGER REMAINS ELEVATED DUE TO THE GUSTY
  WINDS AND RATHER 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...LOW RELATIVE HUMIDITY AND DRY FUELS 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-MDZ008-012-015-019-020-070900-
/O.CON.KPHI.FW.A.0004.120407T1400Z-120408T0000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-
756 PM EDT FRI APR 6 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING...

* WINDS...NORTHWEST 15 TO 20 MPH.

* RELATIVE HUMIDITY...20 TO 30 PERCENT.

* IMPACTS...THE FIRE DANGER SHOULD BE ELEVATED SATURDAY DUE TO THE
  GUSTY WINDS AND RATHER 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.

&&

$$

GORSE

2 follow-up statements

177 
WWUS81 KPHI 070749
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
349 AM EDT SAT APR 7 2012

DEZ001>004-MDZ008-012-015-019-020-080000-
/O.UPG.KPHI.FW.A.0004.120407T1400Z-120408T0000Z/
/O.NEW.KPHI.FW.A.0005.120408T1400Z-120409T0000Z/
/O.EXA.KPHI.FW.W.0005.120407T1400Z-120408T0000Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-
349 AM EDT SAT APR 7 2012

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

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS UPGRADED THE FIRE
WEATHER WATCH FOR TODAY TO A RED FLAG WARNING...WHICH IS IN
EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT THIS EVENING. A FIRE
WEATHER WATCH ALSO BEEN ISSUED FOR SUNDAY. THIS FIRE WEATHER WATCH IS
IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING.

* AFFECTED AREA...DELAWARE AND THE NORTHERN MARYLAND EASTERN
  SHORE.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...20 TO 30 PERCENT. 

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

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.

&&

$$

NJZ001-007>010-012>027-PAZ054-055-060>062-067>071-080000-
/O.NEW.KPHI.FW.A.0005.120408T1400Z-120409T0000Z/
/O.CON.KPHI.FW.W.0005.120407T1400Z-120408T0000Z/
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-
349 AM EDT SAT APR 7 2012

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

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

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

* AFFECTED AREA...EASTERN PENNSYLVANIA AND NEW JERSEY.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...20 TO 25 PERCENT.

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

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.

&&

$$

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:11 AM EDT	Freeze Warning	PHI	Cecil	24 hr
Apr 6, 3:10 PM EDT	Fire Weather Watch	PHI	Caroline, Cecil, Kent, Queen Anne's, Talbot	13 hr
Apr 6, 11:20 AM EDT	Coastal Flood Statement	PHI	Sussex	12 hr
Apr 6, 2:40 AM EDT	Red Flag Warning	PHI	Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more	17 hr
Apr 6, 1:21 PM EDT	Small Craft Advisory	PHI		26 hr
Apr 6, 3:46 PM EDT	Small Craft Advisory	PHI		24 hr

Nearby

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