Alert archive / New Jersey / Red Flag Warnings in 2024

Red Flag Warning 5, NWS Philadelphia/Mount Holly

November 7, 20244 states

NWS Philadelphia/Mount Holly issued this red flag warning at Nov 7, 2024, 2:54 PM EST for 4 states. It took effect at Nov 8, 2024, 8:00 AM EST. 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
Nov 7, 2024, 2:54 PM EST (19:54 UTC)
In effect from
Nov 8, 2024, 8:00 AM EST
Expired
Nov 8, 2024, 6:00 PM EST
In force
10 hr
Issued by
NWS Philadelphia/Mount Holly
All 33 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline 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, 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), 67 km from the middle of the area, began a volume at 19:53 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 12:00Z, 7.9 hours before the alert went out and 220 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 12:00Z on 2024-11-07Temperature 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 12:00Z on 2024-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1034 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

823 
WWUS81 KPHI 071954
RFWPHI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Mount Holly NJ
254 PM EST Thu Nov 7 2024

PAZ054-055-060>062-070-071-101>106-081000-
/O.NEW.KPHI.FW.W.0005.241108T1300Z-241108T2300Z/
Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
254 PM EST Thu Nov 7 2024

...RED FLAG WARNING IN EFFECT FROM 8 AM TO 6 PM EST FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEASTERN PENNSYLVANIA AND
THE POCONOS...

The National Weather Service in Mount Holly has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 8 AM to 6 PM EST Friday.

* AFFECTED AREA...Carbon, Monroe, Berks, Lehigh, Northampton, 
  Delaware, Philadelphia, Western Chester, Eastern Chester, 
  Western Montgomery, Eastern Montgomery, Upper Bucks and Lower 
  Bucks.

* TIMING...From 8 AM to 6 PM EST Friday.

* WINDS...West 10 to 15 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 29 percent.

* IMPACTS...Any fire that develops will catch and spread 
  quickly. 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 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.

&&

$$

NJZ001-007>010-012>027-081000-
/O.NEW.KPHI.FW.W.0005.241108T1300Z-241108T2300Z/
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-
254 PM EST Thu Nov 7 2024

...RED FLAG WARNING IN EFFECT FROM 8 AM TO 6 PM EST FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR NEW JERSEY...

The National Weather Service in Mount Holly has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 8 AM to 6 PM EST Friday.

* AFFECTED AREA...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 and Southeastern Burlington.

* TIMING...From 8 AM to 6 PM EST Friday.

* WINDS...West 5 to 10 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 28 percent.

* IMPACTS...Any fire that develops will catch and spread 
  quickly. 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 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>004-081000-
/O.NEW.KPHI.FW.W.0005.241108T1300Z-241108T2300Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-
254 PM EST Thu Nov 7 2024

...RED FLAG WARNING IN EFFECT FROM 8 AM TO 6 PM EST FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR DELAWARE...

The National Weather Service in Mount Holly has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 8 AM to 6 PM EST Friday.

* AFFECTED AREA...New Castle, Kent, Inland Sussex and Delaware 
  Beaches.

* TIMING...From 8 AM to 6 PM EST Friday.

* WINDS...West 5 to 10 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 28 percent.

* IMPACTS...Any fire that develops will catch and spread 
  quickly. 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 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.

&&

$$

MDZ012-015-019-020-081000-
/O.NEW.KPHI.FW.W.0005.241108T1300Z-241108T2300Z/
Kent MD-Queen Annes-Talbot-Caroline-
254 PM EST Thu Nov 7 2024

...RED FLAG WARNING IN EFFECT FROM 8 AM TO 6 PM EST FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE EASTERN SHORES OF MARYLAND...

The National Weather Service in Mount Holly has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 8 AM to 6 PM EST Friday.

* AFFECTED AREA...Kent MD, Queen Annes, Talbot and Caroline.

* TIMING...From 8 AM to 6 PM EST Friday.

* WINDS...West 5 to 10 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 30 percent.

* IMPACTS...Any fire that develops will catch and spread 
  quickly. 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 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.

&&

$$

MJL
2 follow-up statements
262 
WWUS81 KPHI 080816
RFWPHI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Mount Holly NJ
316 AM EST Fri Nov 8 2024

PAZ054-055-060>062-070-071-101>106-082300-
/O.CON.KPHI.FW.W.0005.241108T1300Z-241108T2300Z/
Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
316 AM EST Fri Nov 8 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR THE SOUTHERN POCONOS AND SOUTHEAST PENNSYLVANIA...

* AFFECTED AREA...Carbon, Monroe, Berks, Lehigh, Northampton, 
  Delaware, Philadelphia, Western Chester, Eastern Chester, 
  Western Montgomery, Eastern Montgomery, Upper Bucks and Lower 
  Bucks.

* TIMING...From 8 AM this morning to 6 PM EST this evening.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 26 percent.

* IMPACTS...Any fire that develops will catch and spread 
  quickly. 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 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.

&&

$$

NJZ001-007>010-012>027-082300-
/O.CON.KPHI.FW.W.0005.241108T1300Z-241108T2300Z/
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-
316 AM EST Fri Nov 8 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR NEW JERSEY...

* AFFECTED AREA...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 and Southeastern Burlington.

* TIMING...From 8 AM this morning to 6 PM EST this evening.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 25 percent.

* IMPACTS...Any fire that develops will catch and spread quickly.
  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 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>004-082300-
/O.CON.KPHI.FW.W.0005.241108T1300Z-241108T2300Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-
316 AM EST Fri Nov 8 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR DELAWARE...

* AFFECTED AREA...New Castle, Kent, Inland Sussex and Delaware 
  Beaches.

* TIMING...From 8 AM this morning to 6 PM EST this evening.

* WINDS...Northwest 10 to 15 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 25 percent.

* IMPACTS...Any fire that develops will catch and spread quickly.
  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 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.

&&

$$

MDZ012-015-019-020-082300-
/O.CON.KPHI.FW.W.0005.241108T1300Z-241108T2300Z/
Kent MD-Queen Annes-Talbot-Caroline-
316 AM EST Fri Nov 8 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6
PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
THE EASTERN SHORES OF MARYLAND...

* AFFECTED AREA...Kent MD, Queen Annes, Talbot and Caroline.

* TIMING...From 8 AM this morning to 6 PM EST this evening.

* WINDS...Northwest 10 to 15 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 29 percent.

* IMPACTS...Any fire that develops will catch and spread quickly.
  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 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.

&&

$$

MPS
095 
WWUS81 KPHI 082239
RFWPHI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Mount Holly NJ
539 PM EST Fri Nov 8 2024

PAZ054-055-060>062-070-071-101>106-082345-
/O.EXP.KPHI.FW.W.0005.000000T0000Z-241108T2300Z/
Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia-
Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-Lower Bucks-
539 PM EST Fri Nov 8 2024

...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY...

Humidity is rising and winds are diminishing.

$$

NJZ001-007>010-012>027-082345-
/O.EXP.KPHI.FW.W.0005.000000T0000Z-241108T2300Z/
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-
539 PM EST Fri Nov 8 2024

...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY...

Humidity is rising and winds are diminishing.

$$

DEZ001>004-082345-
/O.EXP.KPHI.FW.W.0005.000000T0000Z-241108T2300Z/
New Castle-Kent-Inland Sussex-Delaware Beaches-
539 PM EST Fri Nov 8 2024

...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY...

Humidity is rising and winds are diminishing.

$$

MDZ012-015-019-020-082345-
/O.EXP.KPHI.FW.W.0005.000000T0000Z-241108T2300Z/
Kent MD-Queen Annes-Talbot-Caroline-
539 PM EST Fri Nov 8 2024

...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY...

Humidity is rising and winds are diminishing.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 7, 2:55 PM ESTSmall Craft AdvisoryPHI48 hr

Nearby

Red Flag Warnings in New Jersey, 2024Red Flag Warnings in Pennsylvania, 2024Red Flag Warnings in Maryland, 2024Every red flag warning in 2024

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.