Alert archive / New Jersey / Flash Flood Watches in 2020
Flash Flood Watch 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood watch at Aug 6, 2020, 3:37 AM EDT for 4 states. It was in force for 44 hr.
The area
The counties it named.
The facts
- Issued
- Aug 6, 2020, 3:37 AM EDT (07:37 UTC)
- Expired
- Aug 7, 2020, 11:38 PM EDT
- In force
- 44 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
All 29 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil 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, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 07:36 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, 7.6 hours before the alert went out and 207 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
- 1920 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
667 WGUS61 KPHI 060737 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 337 AM EDT Thu Aug 6 2020 DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-021-PAZ070-071- 101>104-062130- /O.NEW.KPHI.FF.A.0006.200806T0737Z-200807T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Cumberland- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Millville, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, and Lansdale 337 AM EDT Thu Aug 6 2020 ...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY MORNING... The National Weather Service in Mount Holly has issued a * Flash Flood Watch for portions of Delaware, northeast Maryland, southern New Jersey, and southeast Pennsylvania, including the following areas, in Delaware, Delaware Beaches, Inland Sussex, Kent, and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In southern New Jersey, Camden, Cumberland, Gloucester, and Salem. In southeast Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Philadelphia, Western Chester, and Western Montgomery. * Through Friday morning. * Multiple rounds of showers and thunderstorms producing locally heavy rain are possible from this morning through tonight. The ground remains saturated in the region due to the recent heavy rains associated with Tropical Storm Isaias. This will make it easier than usual for flash flooding to occur in areas that receive heavy rainfall over a short duration. * Areas of flash flooding are expected, especially in urban and flood-prone areas. Small streams and creeks will also be susceptible to flooding, especially those that remain elevated from antecedent rainfall. 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. && $$ JEO
6 follow-up statements
724 WGUS61 KPHI 061916 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 316 PM EDT Thu Aug 6 2020 NJZ009-010-012>015-019-020-022>027-PAZ060-105-106-071000- /O.EXB.KPHI.FF.A.0006.000000T0000Z-200807T1700Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Hunterdon-Somerset-Middlesex-Western Monmouth-Eastern Monmouth- Mercer-Northwestern Burlington-Ocean-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Berks-Upper Bucks-Lower Bucks- Including the cities of Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Moorestown, Mount Holly, Jackson, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Reading, Chalfont, Perkasie, Morrisville, and Doylestown 316 PM EDT Thu Aug 6 2020 ...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... The National Weather Service in Mount Holly has expanded the * Flash Flood Watch to include portions of New Jersey and Pennsylvania, including the following areas, in New Jersey, Atlantic, Atlantic Coastal Cape May, Cape May, Coastal Atlantic, Coastal Ocean, Eastern Monmouth, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Ocean, Somerset, Southeastern Burlington, and Western Monmouth. In Pennsylvania, Berks, Lower Bucks, and Upper Bucks. * Through Friday afternoon * Multiple rounds of showers and thunderstorms producing locally heavy rain will develop tonight through Friday morning. The ground remains saturated in the region due to the recent heavy rains associated with Tropical Storm Isaias, and this will make it easier than usual for flash flooding to occur in areas that receive heavy rainfall over a short duration. * Areas of flash flooding are expected, especially in urban and flood-prone areas. Small streams and creeks will also be susceptible to flooding, especially those that remain elevated from antecedent rainfall. 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>004-MDZ008-012-015-019-020-NJZ016>018-021-PAZ070-071- 101>104-071000- /O.EXT.KPHI.FF.A.0006.000000T0000Z-200807T1700Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Cumberland- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Millville, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, and Lansdale 316 PM EDT Thu Aug 6 2020 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH FRIDAY AFTERNOON... The Flash Flood Watch is now in effect for * Portions of Delaware, northeast Maryland, southern New Jersey, and southeast Pennsylvania, including the following areas, in Delaware, Delaware Beaches, Inland Sussex, Kent, and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In southern New Jersey, Camden, Cumberland, Gloucester, and Salem. In southeast Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Philadelphia, Western Chester, and Western Montgomery. * Through Friday afternoon * Multiple rounds of showers and thunderstorms producing locally heavy rain will develop tonight through Friday morning. The ground remains saturated in the region due to the recent heavy rains associated with Tropical Storm Isaias, and this will make it easier than usual for flash flooding to occur in areas that receive heavy rainfall over a short duration. * Areas of flash flooding are expected, especially in urban and flood-prone areas. Small streams and creeks will also be susceptible to flooding, especially those that remain elevated from antecedent rainfall. 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. && $$ MPS
835 WGUS61 KPHI 070606 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 206 AM EDT Fri Aug 7 2020 PAZ061-062-072030- /O.EXB.KPHI.FF.A.0006.000000T0000Z-200808T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lehigh-Northampton- Including the cities of Allentown, Bethlehem, and Easton 206 AM EDT Fri Aug 7 2020 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... The National Weather Service in Mount Holly has expanded the * Flash Flood Watch to include a portion of east central Pennsylvania, including the following areas, Lehigh and Northampton. * Through late tonight. * Multiple rounds of showers and thunderstorms producing locally heavy rain are possible through tonight. The ground remains saturated in the region due to the recent heavy rains associated with Tropical Storm Isaias, and this will make it easier than usual for flash flooding to occur in areas that receive heavy rainfall over a short duration. * Areas of flash flooding are expected, especially in urban and flood-prone areas. Small streams and creeks will also be susceptible to flooding, especially those that remain elevated from antecedent rainfall. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area. && $$ DEZ001>004-MDZ008-012-015-019-020-NJZ009-010-012>027-PAZ060-070- 071-101>106-072030- /O.EXT.KPHI.FF.A.0006.000000T0000Z-200808T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-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-Berks-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Reading, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 206 AM EDT Fri Aug 7 2020 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT... The Flash Flood Watch is now in effect for * Portions of Delaware, northeast Maryland, New Jersey, and Pennsylvania, including the following areas, in Delaware, Delaware Beaches, Inland Sussex, Kent, and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In New Jersey, Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, and Western Monmouth. In Pennsylvania, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through late tonight. * Multiple additional rounds of showers and thunderstorms producing locally heavy rain are possible through tonight. The ground remains saturated in the region due to the recent heavy rains associated with Tropical Storm Isaias, and this will make it easier than usual for flash flooding to occur in areas that receive heavy rainfall over a short duration. * Areas of flash flooding are expected, especially in urban and flood-prone areas. Small streams and creeks will also be susceptible to flooding, especially those that remain elevated from antecedent rainfall. 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. && $$
707 WGUS61 KPHI 071516 FFAPHI Flood Watch National Weather Service Mount Holly NJ 1116 AM EDT Fri Aug 7 2020 DEZ001>004-MDZ008-012-015-019-020-NJZ009-010-012>027-PAZ060>062- 070-071-101>106-072330- /O.CON.KPHI.FF.A.0006.000000T0000Z-200808T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-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-Berks-Lehigh-Northampton-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 1116 AM EDT Fri Aug 7 2020 ...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, Delaware Beaches, Inland Sussex, Kent, and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In New Jersey, Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, and Western Monmouth. In Pennsylvania, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Through late tonight * Multiple additional rounds of showers and thunderstorms producing locally heavy rain are possible through tonight. The ground remains saturated in the region due to the recent heavy rains associated with Tropical Storm Isaias, and this will make it easier than usual for flash flooding to occur in areas that receive heavy rainfall over a short duration. * Areas of flash flooding are expected, especially in urban and flood-prone areas. Small streams and creeks will also be susceptible to flooding, especially those that remain elevated from antecedent rainfall. 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. && $$ Fitzsimmons
455 WGUS61 KPHI 071940 FFAPHI Flood Watch National Weather Service Mount Holly NJ 340 PM EDT Fri Aug 7 2020 DEZ001>004-MDZ008-012-015-019-020-NJZ009-010-012>027-PAZ060>062- 070-071-101>106-080345- /O.CON.KPHI.FF.A.0006.000000T0000Z-200808T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-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-Berks-Lehigh-Northampton-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Reading, Allentown, Bethlehem, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 340 PM EDT Fri Aug 7 2020 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY... The Flash Flood Watch continues for * Portions of Delaware, northeast Maryland, New Jersey, and Pennsylvania, including the following areas, in Delaware, Delaware Beaches, Inland Sussex, Kent, and New Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen Annes, and Talbot. In New Jersey, Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, and Western Monmouth. In Pennsylvania, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Until 2 AM EDT Saturday * Multiple rounds of showers and thunderstorms producing locally heavy rain are possible through this evening. The ground remains saturated in the region due to the recent heavy rains associated with Tropical Storm Isaias, and this will make it easier than usual for flash flooding to occur in areas that receive heavy rainfall over a short duration. * Areas of flash flooding are expected, especially in urban and flood-prone areas. Small streams and creeks will also be susceptible to flooding, especially those that remain elevated from antecedent rainfall. 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. && $$ Fitzsimmons
636 WGUS61 KPHI 080107 FFAPHI Flood Watch National Weather Service Mount Holly NJ 907 PM EDT Fri Aug 7 2020 DEZ001-MDZ008-NJZ009-010-012>020-026-027-PAZ060>062-070-071- 101>106-080215- /O.CAN.KPHI.FF.A.0006.000000T0000Z-200808T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Cecil-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Coastal Ocean- Southeastern Burlington-Berks-Lehigh-Northampton-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Elkton, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Long Beach Island, Wharton State Forest, Reading, Allentown, Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 907 PM EDT Fri Aug 7 2020 ...FLASH FLOOD WATCH IS CANCELLED... The heavy rain has moved to the south of the area. As a result, the Flash Flood Watch is cancelled. $$ DEZ002>004-MDZ012-015-019-020-NJZ021>025-080600- /O.CON.KPHI.FF.A.0006.000000T0000Z-200808T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot- Caroline-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May- Coastal Atlantic- Including the cities of Dover, Georgetown, Rehoboth Beach, Chestertown, Centreville, Easton, Denton, Millville, Hammonton, Cape May Court House, Ocean City, and Atlantic City 907 PM EDT Fri Aug 7 2020 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY... The Flash Flood Watch continues for * Portions of eastern Maryland, central and southern Delaware, and southern New Jersey. * Until 2:00 AM Saturday * Showers and thunderstorms will continue to produce locally heavy rain tonight. The ground remains saturated in the region due to the recent heavy rains associated with Tropical Storm Isaias, and this will make it easier than usual for flash flooding to occur. * Areas of flash flooding are expected, especially in urban and flood-prone areas. Small streams and creeks will also be susceptible to flooding, especially those that remain elevated from antecedent rainfall. 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. && $$
116 WGUS61 KPHI 080338 FFAPHI Flood Watch National Weather Service Mount Holly NJ 1138 PM EDT Fri Aug 7 2020 DEZ002>004-MDZ012-015-019-020-NJZ021>025-080445- /O.CAN.KPHI.FF.A.0006.000000T0000Z-200808T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot- Caroline-Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May- Coastal Atlantic- Including the cities of Dover, Georgetown, Rehoboth Beach, Chestertown, Centreville, Easton, Denton, Millville, Hammonton, Cape May Court House, Ocean City, and Atlantic City 1138 PM EDT Fri Aug 7 2020 ...FLASH FLOOD WATCH IS CANCELLED... Heavy rainfall has moved out of the area and thus the Flash Flood watch has been cancelled. However, some residual flooding may linger tonight in areas that received heavy rainfall from the storms earlier this evening. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 5:27 AM EDT | Special Marine Warning | PHI | 63 min | |
| Aug 6, 6:58 AM EDT | Special Marine Warning | PHI | 92 min | |
| Aug 6, 7:03 AM EDT | Areal Flood Advisory | PHI | Atlantic, Cumberland, Gloucester, Salem | 3 hr |
| Aug 6, 7:18 AM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 42 min |
| Aug 6, 7:27 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 48 min |
| Aug 6, 7:31 AM EDT | Special Marine Warning | PHI | 59 min | |
| Aug 6, 7:33 AM EDT | Flash Flood Warning | PHI | Cumberland, Salem | 2 hr |
| Aug 6, 7:33 AM EDT | Special Marine Warning | PHI | 57 min | |
| Aug 6, 7:47 AM EDT | Special Marine Warning | PHI | 88 min | |
| Aug 6, 7:52 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 53 min |
| Aug 6, 8:04 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 41 min |
| Aug 6, 8:09 AM EDT | Special Marine Warning | PHI | 66 min | |
| Aug 6, 8:23 AM EDT | Special Marine Warning | PHI | 67 min | |
| Aug 6, 8:34 AM EDT | Special Weather Statement | PHI | Atlantic | 26 min |
| Aug 6, 5:36 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 39 min |
| Aug 6, 6:13 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 62 min |
| Aug 6, 6:19 AM EDT | Areal Flood Advisory | PHI | Kent, Queen Anne's | 116 min |
| Aug 6, 6:43 AM EDT | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 3 hr |
| Aug 6, 7:13 AM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 3 hr |
| Aug 6, 8:43 AM EDT | Areal Flood Advisory | PHI | Cecil, Kent, Queen Anne's | 87 min |
| Aug 6, 6:49 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 41 min |
| Aug 6, 7:13 AM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 47 min |
| Aug 6, 7:46 AM EDT | Special Weather Statement | PHI | Sussex | 29 min |
| Aug 6, 8:16 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 44 min |
Nearby
Flash Flood Watches in New Jersey, 2020Flash Flood Watches in Pennsylvania, 2020Flash Flood Watches in Maryland, 2020Every flash flood watch in 2020
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.