Alert archive / New Jersey / Red Flag Warnings in 2023
Red Flag Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this red flag warning at Apr 18, 2023, 3:19 AM EDT for 9 counties in New Jersey; 4 counties in Maryland; Kent County, New Castle County, Sussex County, Delaware. It took effect at Apr 18, 2023, 12:00 PM EDT. It was in force for 8 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 18, 2023, 3:19 AM EDT (07:19 UTC)
- In effect from
- Apr 18, 2023, 12:00 PM EDT
- Expired
- Apr 18, 2023, 7:35 PM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
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, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 65 km from the middle of the area, began a volume at 07:18 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 7.3 hours before the alert went out and 163 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
- 2024 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
862 WWUS81 KPHI 180719 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 319 AM EDT Tue Apr 18 2023 MDZ012-015-019-020-182000- /O.UPG.KPHI.FW.A.0002.230418T1600Z-230419T0000Z/ /O.NEW.KPHI.FW.W.0003.230418T1600Z-230419T0000Z/ Kent MD-Queen Annes-Talbot-Caroline- 319 AM EDT Tue Apr 18 2023 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN MARYLAND INCLUDING KENT, QUEEN ANNES, TALBOT, AND CAROLINE COUNTIES... 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 noon today to 8 PM EDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Kent MD, Queen Annes, Talbot and Caroline. * TIMING...Noon to 8 PM Tuesday. * WINDS...West 15 to 20 mph with gusts ranging from 25 to 35 mph. * RELATIVE HUMIDITY...As low as 20 to 30 percent. * TEMPERATURES...In the mid to upper 60s. * IMPACTS...The combination of dry conditions, low humidity, and strong gusty winds will result in favorable conditions for the rapid spread of fires Tuesday 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. && $$ Staarmann
2 follow-up statements
056 WWUS81 KPHI 181536 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 1136 AM EDT Tue Apr 18 2023 DEZ001>004-182345- /O.EXA.KPHI.FW.W.0003.230418T1600Z-230419T0000Z/ New Castle-Kent-Inland Sussex-Delaware Beaches- 1136 AM EDT Tue Apr 18 2023 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE STATE OF DELAWARE... The National Weather Service in Mount Holly has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect until 8 PM EDT this evening. * AFFECTED AREA...New Castle, Kent, Inland Sussex and Delaware Beaches. * TIMING...Noon to 8 PM Tuesday. * WINDS...West 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 20 to 30 percent. * TEMPERATURES...In the mid 60s. * IMPACTS...The combination of dry conditions, low humidity, and strong gusty winds will result in favorable conditions for the rapid spread of fires Tuesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly due to a combination of strong winds, low relative humidity, and dry fuels. Any fires that develop may quickly get out of control and become difficult to contain. For more information about wildfire danger, burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website. && $$ NJZ013-014-016>027-182345- /O.EXA.KPHI.FW.W.0003.230418T1600Z-230419T0000Z/ Western Monmouth-Eastern Monmouth-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- 1136 AM EDT Tue Apr 18 2023 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS 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 until 8 PM EDT this evening. * AFFECTED AREA...Western Monmouth, Eastern Monmouth, Salem, Gloucester, Camden, Northwestern Burlington, Ocean, Cumberland, Atlantic, Cape May, Atlantic Coastal Cape May, Coastal Atlantic, Coastal Ocean and Southeastern Burlington. * TIMING...Noon to 8 PM Tuesday. * WINDS...West 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 20 to 30 percent. * TEMPERATURES...In the upper 50s. * IMPACTS...The combination of dry conditions, low humidity, and strong gusty winds will result in favorable conditions for the rapid spread of fires Tuesday 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. && $$ MDZ012-015-019-020-182345- /O.CON.KPHI.FW.W.0003.230418T1600Z-230419T0000Z/ Kent MD-Queen Annes-Talbot-Caroline- 1136 AM EDT Tue Apr 18 2023 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OF EASTERN MARYLAND... * AFFECTED AREA...Kent MD, Queen Annes, Talbot and Caroline. * TIMING...Noon to 8 PM Tuesday. * WINDS...West 15 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 to 30 percent. * TEMPERATURES...In the mid 60s. * IMPACTS...The combination of dry conditions, low humidity, and strong gusty winds will result in favorable conditions for the rapid spread of fires Tuesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly due to a combination of strong winds, low relative humidity, and dry fuels. Any fires that develop may quickly get out of control and become difficult to contain. For more information about wildfire danger, burn restrictions, and wildfire prevention and education, please visit your state forestry or environmental protection website. && $$ Fitzsimmons
200 WWUS81 KPHI 182335 RFWPHI URGENT - FIRE WEATHER MESSAGE National Weather Service Mount Holly NJ 735 PM EDT Tue Apr 18 2023 DEZ001>004-MDZ012-015-019-020-NJZ013-014-016>027-190045- /O.CAN.KPHI.FW.W.0003.000000T0000Z-230419T0000Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Kent MD- Queen Annes-Talbot-Caroline-Western Monmouth-Eastern Monmouth- Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean-Southeastern Burlington- 735 PM EDT Tue Apr 18 2023 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR DELAWARE, THE EASTERN SHORES OF MARYLAND, AND PORTIONS OF NEW JERSEY... The National Weather Service in Mount Holly has cancelled the Red Flag Warning. Winds are diminishing, and relative humidity values are beginning to rise and surface temperatures fall. Therefore, the Red Flag Warning has been cancelled. $$ MPS
Nearby
Red Flag Warnings in New Jersey, 2023Red Flag Warnings in Maryland, 2023Red Flag Warnings in Delaware, 2023Every red flag warning in 2023
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.