Alert archive / New Jersey / Flash Flood Watches in 2018
Flash Flood Watch 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood watch at Jul 23, 2018, 3:45 AM EDT for 4 states. It was in force for 68 hr.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2018, 3:45 AM EDT (07:45 UTC)
- Expired
- Jul 25, 2018, 11:35 PM EDT
- In force
- 68 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
All 30 counties
Kent County, DE, New Castle County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Burlington County, NJ, Camden 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), 72 km from the middle of the area, began a volume at 07:46 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 00:00Z, 7.8 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.
- Mixed-layer CAPE
- 237 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
233 WGUS61 KPHI 230745 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 345 AM EDT Mon Jul 23 2018 DEZ001-002-MDZ008-012-015-019-020-PAZ060-061-070-071-101>106- 231700- /O.NEW.KPHI.FF.A.0009.180723T0745Z-180724T0800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Berks- Lehigh-Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Reading, Allentown, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 345 AM EDT Mon Jul 23 2018 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... The National Weather Service in Mount Holly has issued a * Flash Flood Watch for portions of Delaware, northeast Maryland, and Pennsylvania, including the following areas, in Delaware, Kent and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In Pennsylvania, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through late tonight * Showers and thunderstorms will overspread the area throughout the day and into this evening. Rainfall rates over 1 inch per hour will be possible, and training of heavy rain showers will also lead to areas of flash flooding. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$ MPS
8 follow-up statements
622 WGUS61 KPHI 231633 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 1233 PM EDT Mon Jul 23 2018 PAZ054-055-062-240400- /O.EXB.KPHI.FF.A.0009.000000T0000Z-180724T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Carbon-Monroe-Northampton- Including the cities of Jim Thorpe, Stroudsburg, Bethlehem, and Easton 1233 PM EDT Mon Jul 23 2018 ...FLASH FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON... The National Weather Service in Mount Holly has expanded the * Flash Flood Watch to include portions of east central Pennsylvania and northeast Pennsylvania, including the following areas, in east central Pennsylvania, Northampton. In northeast Pennsylvania, Carbon and Monroe. * Through at least Tuesday afternoon * Showers and thunderstorms will continue to develop over the area at times through today, tonight and Tuesday. A moist tropical airmass is in place which will support heavy downpours. Rainfall amounts over 1 inch in an hour will be possible. Training of heavy rain showers may also lead to higher amounts and areas of flash flooding. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$ DEZ001-002-MDZ008-012-015-019-020-PAZ060-061-070-071-101>106- 240400- /O.EXT.KPHI.FF.A.0009.000000T0000Z-180724T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Berks- Lehigh-Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Reading, Allentown, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 1233 PM EDT Mon Jul 23 2018 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH TUESDAY AFTERNOON... The Flash Flood Watch is now in effect for * Portions of Delaware, northeast Maryland, and Pennsylvania, including the following areas, in Delaware, Kent and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In Pennsylvania, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through at least Tuesday afternoon * Showers and thunderstorms will continue to develop over the area at times through today, tonight and Tuesday. A moist tropical airmass is in place which will support heavy downpours. Rainfall amounts over 1 inch in an hour will be possible. Training of heavy rain showers may also lead to higher amounts and areas of flash flooding. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$
261 WGUS61 KPHI 240053 FFAPHI Flood Watch National Weather Service Mount Holly NJ 853 PM EDT Mon Jul 23 2018 DEZ001-002-MDZ008-012-015-019-020-PAZ054-055-060>062-070-071- 101>106-241000- /O.CON.KPHI.FF.A.0009.000000T0000Z-180724T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Carbon- Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 853 PM EDT Mon Jul 23 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... The Flash Flood Watch continues for * Portions of Delaware, northeast Maryland, and Pennsylvania, including the following areas, in Delaware, Kent and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In Pennsylvania, Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through Tuesday afternoon. * Showers and some thunderstorms are expected to become more numerous late tonight and Tuesday morning. A tropical airmass will support areas of very heavy rain, especially where showers and thunderstorms move over the same area. Rainfall amounts over 1 inch in an hour will be possible, and any training of heavy showers will lead to even higher amounts. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$
592 WGUS61 KPHI 240801 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 401 AM EDT Tue Jul 24 2018 DEZ001-002-MDZ008-012-015-019-020-PAZ054-055-060>062-070-071- 101>106-242100- /O.EXT.KPHI.FF.A.0009.000000T0000Z-180725T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Carbon- Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 401 AM EDT Tue Jul 24 2018 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH WEDNESDAY MORNING... The Flash Flood Watch is now in effect for * Portions of Delaware, northeast Maryland, and Pennsylvania, including the following areas, in Delaware, Kent and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In Pennsylvania, Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through Wednesday morning * Showers and some thunderstorms are expected to become more numerous today and continue tonight. A tropical airmass will support areas of very heavy rain, especially where showers and thunderstorms move over the same area. Rainfall amounts over 1 inch in an hour will be possible, and any training of heavy showers will lead to even higher amounts. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$ PO
962 WGUS61 KPHI 241925 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 325 PM EDT Tue Jul 24 2018 NJZ001-007>010-012>020-026-027-251000- /O.EXB.KPHI.FF.A.0009.000000T0000Z-180726T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Coastal Ocean- Southeastern Burlington- Including the cities of Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Long Beach Island, and Wharton State Forest 325 PM EDT Tue Jul 24 2018 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE WEDNESDAY NIGHT... The National Weather Service in Mount Holly has expanded the * Flash Flood Watch to include portions of central New Jersey, northern New Jersey, northwest New Jersey, and southern New Jersey, including the following areas, in central New Jersey, Eastern Monmouth, Mercer, and Western Monmouth. In northern New Jersey, Middlesex, Morris, Somerset, Sussex, and Warren. In northwest New Jersey, Hunterdon. In southern New Jersey, Camden, Coastal Ocean, Gloucester, Northwestern Burlington, Ocean, Salem, and Southeastern Burlington. * Through late Wednesday night * Showers and some thunderstorms are expected to become more numerous tonight and continue through Wednesday and Wednesday night. A tropical airmass will support areas of very heavy rain, especially where showers and thunderstorms move over the same area. Rainfall amounts over 1 inch in an hour will be possible, and any training of heavy showers will lead to even higher amounts. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$ DEZ001-002-MDZ008-012-015-019-020-PAZ054-055-060>062-070-071- 101>106-251000- /O.EXT.KPHI.FF.A.0009.000000T0000Z-180726T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Carbon- Monroe-Berks-Lehigh-Northampton-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 325 PM EDT Tue Jul 24 2018 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE WEDNESDAY NIGHT... The Flash Flood Watch is now in effect for * Portions of Delaware, northeast Maryland, and Pennsylvania, including the following areas, in Delaware, Kent and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In Pennsylvania, Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through late Wednesday night * Showers and some thunderstorms are expected to become more numerous tonight and continue through Wednesday and Wednesday night. A tropical airmass will support areas of very heavy rain, especially where showers and thunderstorms move over the same area. Rainfall amounts over 1 inch in an hour will be possible, and any training of heavy showers will lead to even higher amounts. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. * There is also the potential for some larger rivers and creeks to experience significant rises and possible flooding. These rivers and creeks include the Lehigh, Schuylkill, and Brandywine. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$
514 WGUS61 KPHI 250732 FFAPHI Flood Watch National Weather Service Mount Holly NJ 332 AM EDT Wed Jul 25 2018 DEZ001-002-MDZ008-012-015-019-020-NJZ001-007>010-012>020-026-027- PAZ054-055-060>062-070-071-101>106-251700- /O.CON.KPHI.FF.A.0009.000000T0000Z-180726T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Sussex- Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Coastal Ocean- Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Long Beach Island, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 332 AM EDT Wed Jul 25 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... The Flash Flood Watch continues for * Portions of Delaware, northeast Maryland, New Jersey, and Pennsylvania, including the following areas, in Delaware, Kent and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In New Jersey, Camden, Coastal Ocean, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, Sussex, Warren, and Western Monmouth. In Pennsylvania, Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through late tonight * Showers and scattered thunderstorms will develop today and continue into tonight. A tropical airmass will support areas of heavy rain, especially if there is training of showers and thunderstorms over the same area. Rainfall amounts over 1 inch in an hour are possible, locally higher amounts are possible where there is training of showers and thunderstorms. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$ MPS
375 WGUS61 KPHI 251627 FFAPHI Flood Watch National Weather Service Mount Holly NJ 1227 PM EDT Wed Jul 25 2018 DEZ001-002-MDZ008-012-015-019-020-NJZ001-007>010-012>020-026-027- PAZ054-055-060>062-070-071-101>106-260430- /O.CON.KPHI.FF.A.0009.000000T0000Z-180726T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Sussex- Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Coastal Ocean- Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Long Beach Island, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 1227 PM EDT Wed Jul 25 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... The Flash Flood Watch continues for * Portions of Delaware, northeast Maryland, New Jersey, and Pennsylvania, including the following areas, in Delaware, Kent and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In New Jersey, Camden, Coastal Ocean, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, Sussex, Warren, and Western Monmouth. In Pennsylvania, Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through late tonight * Showers and scattered thunderstorms will continue into tonight. A tropical airmass will support areas of heavy rain, especially if there is training of showers and thunderstorms over the same area. Rainfall amounts over 1 inch in an hour are possible, locally higher amounts are possible where there is training of showers and thunderstorms. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas and along small creeks and streams. * There is also the potential for some larger rivers and creeks to experience significant rises and possible flooding. These rivers and creeks include the Lehigh, Schuylkill, and Susquehanna. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$
794 WGUS61 KPHI 252129 FFAPHI Flood Watch National Weather Service Mount Holly NJ 529 PM EDT Wed Jul 25 2018 DEZ001-002-MDZ008-012-015-019-020-NJZ001-007>010-012>020-026-027- PAZ054-055-060>062-070-071-101>106-261000- /O.CON.KPHI.FF.A.0009.000000T0000Z-180726T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Sussex- Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Coastal Ocean- Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Long Beach Island, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 529 PM EDT Wed Jul 25 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... The Flash Flood Watch continues for * Portions of eastern Pennsylvania, northeastern Maryland, central and northern Delaware, and southwestern, central and northwestern New Jersey. * Through tonight. * Numerous showers and isolated thunderstorms this evening will gradually diminish overnight. This activity will be capable of producing heavy downpours as the same tropical airmass that has been in place since the weekend is still over the area. Rainfall rates over one inch per hour in spots could lead to locally heavy rainfall amounts of two to three inches where these showers and storms move repeatedly over the same locations. * Excessive rainfall within a short period of time can lead to rapidly rising water and flash flooding, particularly in urban areas, along small creeks and streams and in areas where the ground in already very saturated due to recent heavy rains. The greatest risk for flash flooding will be this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$ JRK
402 WGUS61 KPHI 260335 FFAPHI Flood Watch National Weather Service Mount Holly NJ 1135 PM EDT Wed Jul 25 2018 DEZ001-002-MDZ008-012-015-019-020-NJZ001-007>010-012>020-026-027- PAZ054-055-060>062-070-071-101>106-260445- /O.CAN.KPHI.FF.A.0009.000000T0000Z-180726T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Sussex- Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Coastal Ocean- Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Long Beach Island, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 1135 PM EDT Wed Jul 25 2018 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of Delaware, northeast Maryland, New Jersey, and Pennsylvania has been cancelled. Widespread heavy rain continues to taper off, and the threat for flash flooding has ended. Continue to heed any flood warnings and road closures that may be in effect. $$ MPS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:18 PM EDT | Areal Flood Warning | PHI | Chester | 117 min |
| Jul 22, 8:43 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jul 22, 8:54 PM EDT | Flash Flood Warning | PHI | Berks, Chester | 4 hr |
| Jul 22, 9:40 PM EDT | Flash Flood Warning | PHI | Lehigh | 3 hr |
| Jul 22, 10:21 PM EDT | Special Weather Statement | PHI | Monroe | 54 min |
| Jul 22, 11:18 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe, Northampton | 3 hr |
| Jul 23, 12:19 AM EDT | River Flood Warning | PHI | Chester | 5 hr |
| Jul 23, 7:00 AM EDT | River Flood Warning | PHI | Chester, Delaware | 9 hr |
| Jul 23, 12:58 PM EDT | Special Weather Statement | PHI | Chester | 32 min |
| Jul 23, 1:01 PM EDT | Areal Flood Advisory | PHI | Chester | 34 min |
| Jul 22, 9:44 PM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 23 hr |
| Jul 23, 1:07 AM EDT | Special Weather Statement | PHI | Sussex | 38 min |
| Jul 23, 7:56 AM EDT | Areal Flood Advisory | PHI | Morris, Sussex | 3 hr |
| Jul 23, 12:07 PM EDT | Special Marine Warning | PHI | 25 min | |
| Jul 23, 1:18 PM EDT | Special Weather Statement | PHI | Sussex | 27 min |
| Jul 22, 10:09 PM EDT | Areal Flood Warning | PHI | Cecil | 3 hr |
| Jul 23, 12:46 AM EDT | Areal Flood Warning | PHI | Cecil | 4 hr |
| Jul 23, 10:50 AM EDT | Areal Flood Advisory | PHI | Caroline | 110 min |
| Jul 23, 12:28 PM EDT | Special Weather Statement | PHI | Cecil | 32 min |
| Jul 23, 3:23 PM EDT | Coastal Flood Advisory | PHI | Kent, Queen Anne's, Talbot | 17 hr |
| Jul 23, 11:23 AM EDT | Special Weather Statement | PHI | Kent | 37 min |
| Jul 23, 11:58 AM EDT | Special Weather Statement | PHI | Kent | 32 min |
Nearby
Flash Flood Watches in New Jersey, 2018Flash Flood Watches in Pennsylvania, 2018Flash Flood Watches in Maryland, 2018Every flash flood watch in 2018
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.