Alert archive / New Jersey / Red Flag Warnings in 2013

Red Flag Warning 1, NWS Philadelphia/Mount Holly

April 3, 20134 states

NWS Philadelphia/Mount Holly issued this red flag warning at Apr 3, 2013, 3:44 AM EDT for 4 states. It took effect at Apr 3, 2013, 9:00 AM EDT. It was in force for 13 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 3, 2013, 3:44 AM EDT (07:44 UTC)
In effect from
Apr 3, 2013, 9:00 AM EDT
Expired
Apr 3, 2013, 9:46 PM EDT
In force
13 hr
Issued by
NWS Philadelphia/Mount Holly
All 31 counties

Kent County, DE, New Castle County, DE, Cecil County, MD, Kent County, MD, Queen Anne's 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, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 07:49 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, 7.7 hours before the alert went out and 213 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 2013-04-03Temperature 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 2013-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.1939587897117Sfc1 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
2139 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
126 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.

374 
WWUS81 KPHI 030744
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
344 AM EDT WED APR 3 2013

DEZ003-004-MDZ019-020-030845-
/O.CAN.KPHI.FW.A.0001.130403T1200Z-130403T2300Z/
INLAND SUSSEX-DELAWARE BEACHES-TALBOT-CAROLINE-
344 AM EDT WED APR 3 2013

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
FIRE WEATHER WATCH FOR SUSSEX COUNTY IN DELAWARE AND FOR THE
MARYLAND COUNTIES OF CAROLINE AND TALBOT.

WHILE THE RELATIVE HUMIDITY VALUES AND THE FUEL MOISTURE LEVELS
ARE FORECAST TO REACH THE RED FLAG WARNING CRITERIA TODAY, WIND
SPEEDS ARE EXPECTED TO FALL A LITTLE SHORT.

A SPECIAL WEATHER STATEMENT WILL BE ISSUED FOR THE COUNTIES OF
SUSSEX, CAROLINE AND TALBOT TO INDICATE AN ENHANCED RISK OF
WILDFIRE SPREAD FOR TODAY.

$$

NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106-040200-
/O.UPG.KPHI.FW.A.0001.130403T1200Z-130403T2300Z/
/O.NEW.KPHI.FW.W.0001.130403T1300Z-130404T0200Z/
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-
DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
344 AM EDT WED APR 3 2013

...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 10 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG
WARNING. IT IS IN EFFECT FROM 900 AM UNTIL 1000 PM. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...THE POCONOS, THE LEHIGH VALLEY AND SOUTHEASTERN
  PENNSYLVANIA, AS WELL AS NORTHWESTERN, CENTRAL AND SOUTHERN NEW
  JERSEY.

* WINDS...WEST NORTHWEST AT 15 TO 20 MPH WITH GUSTS UP TO 25 OR
  30 MPH.

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

* TEMPERATURES...MAINLY IN THE 40S.

* IMPACTS...THERE IS A GREAT POTENTIAL FOR RAPID WILDFIRE SPREAD
  TODAY DUE TO THE GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FINE
  FUELS. OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED DUE TO A COMBINATION OF STRONG WINDS, LOW RELATIVE
HUMIDITY AND DRY FUELS. ANY FIRES THAT DEVELOP MAY QUICKLY GET OUT
OF CONTROL AND BECOME DIFFICULT TO CONTAIN.

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

&&

$$

DEZ001-002-MDZ008-012-015-040000-
/O.UPG.KPHI.FW.A.0001.130403T1200Z-130403T2300Z/
/O.NEW.KPHI.FW.W.0001.130403T1500Z-130404T0000Z/
NEW CASTLE-KENT-CECIL-KENT MD-QUEEN ANNES-
344 AM EDT WED APR 3 2013

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG
WARNING. IT IS IN EFFECT FROM 1100 AM UNTIL 800 PM. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...NORTHERN AND CENTRAL DELAWARE, AS WELL AS THE
  MARYLAND COUNTIES OF CECIL, KENT AND QUEEN ANNE'S.

* WINDS...WEST NORTHWEST AT 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

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

* TEMPERATURES...MAINLY IN THE 45 TO 50 DEGREE RANGE.

* IMPACTS...THERE IS A GREAT POTENTIAL FOR RAPID WILDFIRE SPREAD
  TODAY DUE TO THE GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FINE
  FUELS. OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED DUE TO A COMBINATION OF STRONG WINDS, LOW RELATIVE
HUMIDITY AND DRY FUELS. ANY FIRES THAT DEVELOP MAY QUICKLY GET OUT
OF CONTROL AND BECOME DIFFICULT TO CONTAIN.

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

&&

$$

IOVINO
3 follow-up statements
388 
WWUS81 KPHI 031924
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
324 PM EDT WED APR 3 2013

NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106-040200-
/O.CON.KPHI.FW.W.0001.000000T0000Z-130404T0200Z/
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-
DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
324 PM EDT WED APR 3 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING...

* LOCATIONS...ALL OF EASTERN PENNSYLVANIA AND ALL OF NEW JERSEY
  IN THE NATIONAL WEATHER SERVICE MOUNT HOLLY FORECAST AREA.

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* HIGH TEMPERATURES...MOSTLY 45 TO 50 EXCEPT 35 TO 40 HIGHEST
  TERRAIN OF THE POCONOS AND FAR NORTHWEST NEW JERSEY.

* IMPACTS...THERE IS A GREAT POTENTIAL FOR RAPID WILDFIRE SPREAD
  THROUGH 10 PM THIS EVENING DUE TO THE GUSTY WINDS... LOW RELATIVE
  HUMIDITY AND DRY FINE FUELS. OUTDOOR BURNING IS NOT RECOMMENDED.

* OUTLOOK THURSDAY...HUMIDITY WILL AGAIN BE VERY LOW THURSDAY
  AFTERNOON... GENERALLY UNDER 25 PERCENT WITH MINIMUM RELATIVE
  HUMIDITY POSSIBLY A FEW PERCENT LOWER...NEAR 15 PERCENT INLAND.
  THE WIND WILL BE MUCH LESS...TURNING SOUTHWEST TO SOUTH WITH
  GUSTS UNDER 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED DUE TO A COMBINATION OF STRONG WINDS... LOW RELATIVE
HUMIDITY AND DRY FUELS. ANY FIRES THAT DEVELOP MAY QUICKLY GET
OUT OF CONTROL AND BECOME DIFFICULT TO CONTAIN.

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

&&

$$

DEZ001-002-MDZ008-012-015-040000-
/O.CON.KPHI.FW.W.0001.000000T0000Z-130404T0000Z/
NEW CASTLE-KENT-CECIL-KENT MD-QUEEN ANNES-
324 PM EDT WED APR 3 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* LOCATIONS...NORTHERN AND CENTRAL DELAWARE... AS WELL AS THE 
  MARYLAND COUNTIES OF CECIL... KENT AND QUEEN ANNE'S.

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

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

* HIGH TEMPERATURES...AROUND 50.

* IMPACTS...THERE IS A GREAT POTENTIAL FOR RAPID WILDFIRE SPREAD
  THROUGH 8 PM THIS EVENING DUE TO THE GUSTY WINDS... LOW RELATIVE
  HUMIDITY AND DRY FINE FUELS. OUTDOOR BURNING IS NOT RECOMMENDED.

* OUTLOOK THURSDAY...HUMIDITY WILL AGAIN BE VERY LOW THURSDAY AFTERNOON...
  GENERALLY UNDER 30 PERCENT BUT WIND WILL BE MUCH LESS...TURNING
  SOUTHWEST TO SOUTH WITH GUSTS UNDER 20 MPH.

PRECAUTIONARY/PREPAREDNESS
  ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED DUE TO A COMBINATION OF STRONG WINDS... LOW RELATIVE
HUMIDITY AND DRY FUELS. ANY FIRES THAT DEVELOP MAY QUICKLY GET
OUT OF CONTROL AND BECOME DIFFICULT TO CONTAIN.

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

&&

$$


DRAG
514 
WWUS81 KPHI 040006
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
806 PM EDT WED APR 3 2013

DEZ001-002-MDZ008-012-015-040115-
/O.EXP.KPHI.FW.W.0001.000000T0000Z-130404T0000Z/
NEW CASTLE-KENT-CECIL-KENT MD-QUEEN ANNES-
806 PM EDT WED APR 3 2013

...RED FLAG WARNING HAS EXPIRED...

NORTHWEST WINDS ARE DIMINISHING. SO...DESPITE THE STILL VERY LOW
RELATIVE HUMIDITY AT 8 PM...THE RED FLAG CONDITIONS HAVE BASICALLY
ENDED FOR THIS EVENING.


$$

NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106-040200-
/O.CON.KPHI.FW.W.0001.000000T0000Z-130404T0200Z/
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-
DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
806 PM EDT WED APR 3 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* LOCATIONS...ALL OF EASTERN PENNSYLVANIA AND ALL OF NEW JERSEY 
  IN THE NATIONAL WEATHER SERVICE MOUNT HOLLY FORECAST AREA.

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

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

* TEMPERATURES...FALLING THROUGH THE LOWER 40S INTO THE 30S.

* IMPACTS...THERE IS STILL POTENTIAL FOR RAPID WILDFIRE SPREAD THIS
  EVENING DUE TO THE GUSTY WINDS... LOW RELATIVE HUMIDITY AND DRY
  FINE FUELS. OUTDOOR BURNING IS NOT RECOMMENDED.

* OUTLOOK THURSDAY...HUMIDITY WILL AGAIN BE VERY LOW THURSDAY 
  AFTERNOON... GENERALLY UNDER 25 PERCENT WITH MINIMUM RELATIVE 
  HUMIDITY POSSIBLY A FEW PERCENT LOWER...NEAR 15 PERCENT 
  INLAND. THE WIND WILL BE MUCH LESS...TURNING SOUTHWEST TO 
  SOUTH WITH GUSTS UNDER 20 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED DUE TO A COMBINATION OF STRONG WINDS... LOW RELATIVE
HUMIDITY AND DRY FUELS. ANY FIRES THAT DEVELOP MAY QUICKLY GET
OUT OF CONTROL AND BECOME DIFFICULT TO CONTAIN.

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

&&

$$


DRAG
058 
WWUS81 KPHI 040146
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
946 PM EDT WED APR 3 2013



NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106-040300-
/O.CAN.KPHI.FW.W.0001.000000T0000Z-130404T0200Z/
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-
DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
946 PM EDT WED APR 3 2013

...RED FLAG WARNING IS CANCELLED FOR THE MOUNT HOLLY FORECAST AREA
OF EASTERN PENNSYLVANIA AND NEW JERSEY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE RED
FLAG WARNING.

WINDS ARE DIMINISHING AND HUMIDITY IS INCREASING. 

HOWEVER...ELEVATED FIRE DANGER RISK WILL DEVELOP THURSDAY AFTERNOON
AS HUMIDITY DROPS INTO THE 15 TO 25 PERCENT RANGE BUT WINDS WILL
BE MUCH LESS THAN WHAT OCCURRED WEDNESDAY.

$$


DRAG

Nearby

Red Flag Warnings in New Jersey, 2013Red Flag Warnings in Pennsylvania, 2013Red Flag Warnings in Maryland, 2013Every red flag warning in 2013

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.