Alert archive / New Jersey / Red Flag Warnings in 2022
Red Flag Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this red flag warning at Apr 29, 2022, 3:27 AM EDT for 16 counties in New Jersey; 10 counties in Pennsylvania. It took effect at Apr 29, 2022, 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 29, 2022, 3:27 AM EDT (07:27 UTC)
- In effect from
- Apr 29, 2022, 9:00 AM EDT
- Expired
- Apr 29, 2022, 9:42 PM EDT
- In force
- 13 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 07:28 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 7.5 hours before the alert went out and 248 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
- 2873 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
137 WWUS81 KPHI 290727 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 327 AM EDT Fri Apr 29 2022 NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106-300200- /O.UPG.KPHI.FW.A.0002.220429T1300Z-220430T0200Z/ /O.NEW.KPHI.FW.W.0002.220429T1300Z-220430T0200Z/ 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- 327 AM EDT Fri Apr 29 2022 ...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 10 PM EDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR MUCH OF NEW JERSEY AND MUCH OF EASTERN PENNSYLVANIA... The National Weather Service in Mount Holly has issued a Red Flag Warning for low relative humidities and gusty winds, which is in effect from 9 AM this morning to 10 PM EDT this evening. 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, Southeastern Burlington, Carbon, Monroe, Berks, Lehigh, Northampton, Delaware, Philadelphia, Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery, Upper Bucks and Lower Bucks. * TIMING...From 9:00 AM until 10:00 PM Friday. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 percent. * TEMPERATURES...Highs in the low 60s. * IMPACTS...Critical fire weather conditions are expected. There will be increased risk for rapid wildfire growth and spread. 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. && $$ JEO
3 follow-up statements
886 WWUS81 KPHI 291628 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 1228 PM EDT Fri Apr 29 2022 NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106-300000- /O.CON.KPHI.FW.W.0002.000000T0000Z-220430T0200Z/ 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- 1228 PM EDT Fri Apr 29 2022 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR MUCH OF NEW JERSEY AND MUCH OF EASTERN PENNSYLVANIA... * 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, Southeastern Burlington, Carbon, Monroe, Berks, Lehigh, Northampton, Delaware, Philadelphia, Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery, Upper Bucks and Lower Bucks. * TIMING...Until 10:00 PM Friday. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * TEMPERATURES...Highs in the low 60s. * IMPACTS...Critical fire weather conditions are expected. There will be increased risk for rapid wildfire growth and spread. 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
035 WWUS81 KPHI 291918 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 318 PM EDT Fri Apr 29 2022 NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106-300200- /O.CON.KPHI.FW.W.0002.000000T0000Z-220430T0200Z/ 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- 318 PM EDT Fri Apr 29 2022 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR MUCH OF NEW JERSEY AND MUCH OF EASTERN PENNSYLVANIA... * 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, Southeastern Burlington, Carbon, Monroe, Berks, Lehigh, Northampton, Delaware, Philadelphia, Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery, Upper Bucks and Lower Bucks. * TIMING...Until 10:00 PM Friday. * WINDS...Northwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 11 percent. * TEMPERATURES...Highs into this afternoon will be in the lower 60s. * IMPACTS...Critical fire weather conditions are expected. There will be increased risk for rapid wildfire growth and spread. 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. && $$ MPS
303 WWUS81 KPHI 300142 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 942 PM EDT Fri Apr 29 2022 NJZ001-007>010-012>027-PAZ054-055-060>062-070-071-101>106-300245- /O.CAN.KPHI.FW.W.0002.000000T0000Z-220430T0200Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- 942 PM EDT Fri Apr 29 2022 ...RED FLAG WARNING IS CANCELLED... Wind speeds have been diminishing this evening. As a result, the Red Flag Warning has been cancelled. $$ Iovino
Nearby
Red Flag Warnings in New Jersey, 2022Red Flag Warnings in Pennsylvania, 2022Every red flag warning in 2022
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.