Alert archive / New Jersey / Red Flag Warnings in 2015

Red Flag Warning 4, NWS Philadelphia/Mount Holly

May 13, 201516 counties in New Jersey

NWS Philadelphia/Mount Holly issued this red flag warning at May 13, 2015, 3:34 AM EDT for 16 counties in New Jersey. It took effect at May 13, 2015, 12:00 PM EDT. It was in force for 6 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
May 13, 2015, 3:34 AM EDT (07:34 UTC)
In effect from
May 13, 2015, 12:00 PM EDT
Expired
May 13, 2015, 6:00 PM EDT
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly

Counties 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

The radar

The Philadelphia radar (KDIX), 34 km from the middle of the area, began a volume at 07:37 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, 7.6 hours before the alert went out and 180 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 2015-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 97 joules per kilogram.LCLLFCEL10008507005003002001001 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 2015-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 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
97 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1822 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
190 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.

309 
WWUS81 KPHI 130734
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
334 AM EDT WED MAY 13 2015

NJZ001-007>010-012>027-132200-
/O.UPG.KPHI.FW.A.0003.150513T1600Z-150513T2200Z/
/O.NEW.KPHI.FW.W.0004.150513T1600Z-150513T2200Z/
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-
334 AM EDT WED MAY 13 2015

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG
WARNING. IT IS IN EFFECT FROM NOON UNTIL 600 PM.

* AFFECTED AREA...NORTHWESTERN, CENTRAL AND SOUTHERN NEW JERSEY.

* WINDS...NORTHWEST AT 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* MINIMUM RELATIVE HUMIDITY...27 TO 32 PERCENT.

* MAXIMUM TEMPERATURES...GENERALLY FROM 65 TO AROUND 70 DEGREES.

* IMPACTS...ANY WILDFIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO
  SPREAD RAPIDLY. 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 WEB SITE.

&&

$$

IOVINO
2 follow-up statements
997 
WWUS81 KPHI 131930
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
330 PM EDT WED MAY 13 2015


NJZ001-007>010-012>027-132200-
/O.CON.KPHI.FW.W.0004.000000T0000Z-150513T2200Z/
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-
330 PM EDT WED MAY 13 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR LOW RELATIVE HUMIDITY AND BREEZY CONDITIONS FOR NORTHWESTERN,
CENTRAL, AND SOUTHERN NEW JERSEY...

* AFFECTED AREA...NORTHWESTERN, CENTRAL, AND SOUTHERN NEW JERSEY.

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

* MINIMUM RELATIVE HUMIDITY...27 TO 32 PERCENT.

* MAXIMUM TEMPERATURES...GENERALLY FROM 65 TO AROUND 70 DEGREES.

* IMPACTS...ANY WILDFIRES THAT DEVELOP WILL HAVE THE POTENTIAL 
  TO SPREAD RAPIDLY. 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 WEB SITE.

&&

$$
442 
WWUS81 KPHI 132156
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
556 PM EDT WED MAY 13 2015

NJZ001-007>010-012>027-132300-
/O.EXP.KPHI.FW.W.0004.000000T0000Z-150513T2200Z/
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-
556 PM EDT WED MAY 13 2015

...RED FLAG WARNING WILL EXPIRE AT 6 PM EDT THIS EVENING FOR LOW
RELATIVE HUMIDITY AND BREEZY CONDITIONS FOR NORTHWESTERN...
CENTRAL...AND SOUTHERN NEW JERSEY...

RELATIVE HUMIDITY WAS ABOVE 35 PERCENT LATE THIS AFTERNOON AND
WILL CONTINUE TO INCREASE THIS EVENING. THE GUSTY NORTHWEST WINDS
WILL GRADUALLY SUBSIDE AFTER SUNSET. AS A RESULT, THE RED FLAG
WARNING WILL EXPIRE AT 6 PM.

$$
JRK

Nearby

Red Flag Warnings in New Jersey, 2015Every red flag warning in 2015

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.