Alert archive / New Jersey / Red Flag Warnings in 2024
Red Flag Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this red flag warning at Nov 15, 2024, 2:28 PM EST for 10 counties in Pennsylvania; 16 counties in New Jersey. It took effect at Nov 16, 2024, 7:00 AM EST. It was in force for 11 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 15, 2024, 2:28 PM EST (19:28 UTC)
- In effect from
- Nov 16, 2024, 7:00 AM EST
- Expired
- Nov 16, 2024, 6:00 PM EST
- In force
- 11 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 26 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, 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), 61 km from the middle of the area, began a volume at 19:28 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, 7.5 hours before the alert went out and 196 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2431 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
831 WWUS81 KPHI 151928 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 228 PM EST Fri Nov 15 2024 PAZ054-055-060>062-070-071-101>106-161100- /O.UPG.KPHI.FW.A.0002.241116T1200Z-241116T2300Z/ /O.NEW.KPHI.FW.W.0006.241116T1200Z-241116T2300Z/ Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- 228 PM EST Fri Nov 15 2024 ...RED FLAG WARNING IN EFFECT FROM 7 AM TO 6 PM EST SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN POCONOS, LEHIGH VALLEY, AND THE REST OF SOUTHEAST PENNSYLVANIA INCLUDING PHILADELPHIA... 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 7 AM to 6 PM EST Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Carbon, Monroe, Berks, Lehigh, Northampton, Delaware, Philadelphia, Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery, Upper Bucks and Lower Bucks. * TIMING...From 7 AM to 6 PM EST Saturday. * WINDS...Northwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 27 percent. * TEMPERATURES...Up to 59. * 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. && $$ NJZ001-007>010-012>027-161100- /O.UPG.KPHI.FW.A.0002.241116T1200Z-241116T2300Z/ /O.NEW.KPHI.FW.W.0006.241116T1200Z-241116T2300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- 228 PM EST Fri Nov 15 2024 ...RED FLAG WARNING IN EFFECT FROM 7 AM TO 6 PM EST SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NEW JERSEY... The National Weather Service in Mount Holly has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 7 AM to 6 PM EST Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Sussex, Warren, Morris, Hunterdon, Somerset, Middlesex, Western Monmouth, Eastern Monmouth, Mercer, Salem, Gloucester, Camden, Northwestern Burlington, Ocean, Cumberland, Atlantic, Cape May, Atlantic Coastal Cape May, Coastal Atlantic, Coastal Ocean and Southeastern Burlington. * TIMING...From 7 AM to 6 PM EST Saturday. * WINDS...Northwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 27 percent. * TEMPERATURES...Up to 61. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly due to a combination of strong winds, low relative humidity, and dry fuels. Any fires that develop may quickly get out of control and become difficult to contain. For more information about wildfire danger, burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website. && $$ MPS
3 follow-up statements
342 WWUS81 KPHI 160756 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 256 AM EST Sat Nov 16 2024 PAZ054-055-060>062-070-071-101>106-162000- /O.CON.KPHI.FW.W.0006.241116T1200Z-241116T2300Z/ Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- 256 AM EST Sat Nov 16 2024 ...RED FLAG WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN 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 7 AM this morning to 6 PM EST this evening. * WINDS...Northwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 28 percent. * TEMPERATURES...Up to 63. * 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. && $$ NJZ001-007>010-012>027-162000- /O.CON.KPHI.FW.W.0006.241116T1200Z-241116T2300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- 256 AM EST Sat Nov 16 2024 ...RED FLAG WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NEW JERSEY... * AFFECTED AREA...Sussex, Warren, Morris, Hunterdon, Somerset, Middlesex, Western Monmouth, Eastern Monmouth, Mercer, Salem, Gloucester, Camden, Northwestern Burlington, Ocean, Cumberland, Atlantic, Cape May, Atlantic Coastal Cape May, Coastal Atlantic, Coastal Ocean and Southeastern Burlington. * TIMING...From 7 AM this morning to 6 PM EST this evening. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 27 percent. * TEMPERATURES...Up to 63. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly due to a combination of strong winds, low relative humidity, and dry fuels. Any fires that develop may quickly get out of control and become difficult to contain. For more information about wildfire danger, burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website. && $$ Hoeflich
250 WWUS81 KPHI 161932 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 232 PM EST Sat Nov 16 2024 PAZ054-055-060>062-070-071-101>106-162300- /O.CON.KPHI.FW.W.0006.000000T0000Z-241116T2300Z/ Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- 232 PM EST Sat Nov 16 2024 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR 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...Until 6 PM EST this evening. * WINDS...Northwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 30 percent. * TEMPERATURES...Up to 59. * 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. && $$ NJZ001-007>010-012>027-162300- /O.CON.KPHI.FW.W.0006.000000T0000Z-241116T2300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- 232 PM EST Sat Nov 16 2024 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NEW JERSEY... * AFFECTED AREA...Sussex, Warren, Morris, Hunterdon, Somerset, Middlesex, Western Monmouth, Eastern Monmouth, Mercer, Salem, Gloucester, Camden, Northwestern Burlington, Ocean, Cumberland, Atlantic, Cape May, Atlantic Coastal Cape May, Coastal Atlantic, Coastal Ocean and Southeastern Burlington. * TIMING...Until 6 PM EST this evening. * WINDS...Northwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 30 percent. * TEMPERATURES...Up to 62. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly due to a combination of strong winds, low relative humidity, and dry fuels. Any fires that develop may quickly get out of control and become difficult to contain. For more information about wildfire danger, burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website. && $$
191 WWUS81 KPHI 162250 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 550 PM EST Sat Nov 16 2024 PAZ054-055-060>062-070-071-101>106-170000- /O.EXP.KPHI.FW.W.0006.000000T0000Z-241116T2300Z/ Carbon-Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- 550 PM EST Sat Nov 16 2024 ...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHEAST PENNSYLVANIA... Relative humidity values are rising and winds are diminishing, thus the Red Flag Warning will be allowed to expire. $$ NJZ001-007>010-012>027-170000- /O.EXP.KPHI.FW.W.0006.000000T0000Z-241116T2300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- 550 PM EST Sat Nov 16 2024 ...RED FLAG WARNING WILL EXPIRE AT 6 PM EST THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NEW JERSEY... Relative humidity values are rising and winds are diminishing, thus the Red Flag Warning will be allowed to expire. $$
Nearby
Red Flag Warnings in New Jersey, 2024Red Flag Warnings in Pennsylvania, 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.