Red Flag Warning 4, NWS Philadelphia/Mount Holly

Issued

Apr 19, 2023, 3:43 AM EDT (07:43 UTC)

In effect from

Apr 19, 2023, 11:00 AM EDT

Expired

Apr 19, 2023, 8:00 PM EDT

In force

9 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 Philadelphia radar (KDIX), 34 km from the middle of the area, began a volume at 07:42 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.

328 
WWUS81 KPHI 190743
RFWPHI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Mount Holly NJ
343 AM EDT Wed Apr 19 2023

NJZ001-007>010-012>027-200000-
/O.NEW.KPHI.FW.W.0004.230419T1500Z-230420T0000Z/
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-
343 AM EDT Wed Apr 19 2023

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE
STATE OF NEW JERSEY...

The National Weather Service in Mount Holly has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 11 AM this morning to 8 PM EDT this evening.

* 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...11 AM to 8 PM today.

* WINDS...West to northwest 10 to 15 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 20 to 30 percent.

* TEMPERATURES...In the 60s.

* IMPACTS...The combination of dry conditions, low humidity, and
  gusty winds will result in favorable conditions for the rapid
  spread of fires this afternoon.

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.

&&

$$

Staarmann

406 
WWUS81 KPHI 200003
RFWPHI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Mount Holly NJ
803 PM EDT Wed Apr 19 2023

NJZ001-007>010-012>027-200115-
/O.EXP.KPHI.FW.W.0004.000000T0000Z-230420T0000Z/
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-
803 PM EDT Wed Apr 19 2023

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR THE STATE OF NEW JERSEY...

Winds have diminished this evening and relative humidity values
will increase overnight. Therefore, the Red Flag Warning has been 
allowed to expire. 

$$

AKL

Red Flag Warnings in New Jersey, 2023Every red flag warning in 2023

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.