Alert archive / New Jersey / Flash Flood Watches in 2018
Flash Flood Watch 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood watch at May 15, 2018, 3:40 AM EDT for 4 states. It took effect at May 15, 2018, 4:00 PM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- May 15, 2018, 3:40 AM EDT (07:40 UTC)
- In effect from
- May 15, 2018, 4:00 PM EDT
- Expired
- May 16, 2018, 12:20 AM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
All 28 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, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 07:44 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, 7.7 hours before the alert went out and 203 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
- 2 J/kg
- Mixed-layer CIN
- -306 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
048 WGUS61 KPHI 150740 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 340 AM EDT Tue May 15 2018 DEZ001-002-MDZ008-012-015-NJZ009-010-012>027-PAZ060-061-070-071- 101>106-151545- /O.NEW.KPHI.FF.A.0002.180515T2000Z-180516T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-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-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, 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, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 340 AM EDT Tue May 15 2018 ...FLASH FLOOD WATCH IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... The National Weather Service in Mount Holly has issued a * Flash Flood Watch for portions of Delaware, northeast Maryland, New Jersey, and Pennsylvania, including the following areas, in Delaware, Kent and New Castle. In northeast Maryland, Cecil, Kent MD, and Queen Annes. 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, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * From 4 PM EDT today to 2 AM EDT Wednesday. * A line of intense thunderstorms is expected to move into the region from the northwest late this afternoon and this evening. There are indications that storms may repeatedly move over the same areas, especially during the evening hours. Localized rainfall of one to three inches is likely where this occurs. Combined with the rainfall received this past weekend, this may lead to a few instances of flash flooding. * The areas of greatest risk are poor-drainage and urban locations, where rapid runoff may cause localized flash flooding. Quickly responding creeks and streams may also experience flooding in areas receiving the heaviest rainfall. The storms are expected to move through the area during or just after the evening commute. Motorists should be prepared for torrential downpours and potential flooding as the storms move through. 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. && $$ CMS
5 follow-up statements
338 WGUS61 KPHI 151505 FFAPHI Flood Watch National Weather Service Mount Holly NJ 1105 AM EDT Tue May 15 2018 DEZ001-002-MDZ008-012-015-NJZ009-010-012>027-PAZ060-061-070-071- 101>106-160600- /O.CON.KPHI.FF.A.0002.180515T2000Z-180516T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-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-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, 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, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 1105 AM EDT Tue May 15 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM EDT THIS AFTERNOON 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, Cecil, Kent MD, and Queen Annes. 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, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * From 4 PM EDT this afternoon through late tonight * A line of intense thunderstorms is expected to move into the region from the northwest late this afternoon and this evening. There are indications that storms may repeatedly move over the same areas, especially later in the evening. Localized rainfall of one to three inches is likely where this occurs. Combined with the rainfall received this past weekend, this may lead to a few instances of flash flooding. * The areas of greatest risk are poor-drainage and urban locations, where rapid runoff may cause localized flash flooding. Quickly responding creeks and streams may also experience flooding in areas receiving the heaviest rainfall. The storms are expected to move through the area during or just after the evening commute. Motorists should be prepared for torrential downpours and potential flooding as the storms move through. 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. && $$
761 WGUS61 KPHI 151920 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 320 PM EDT Tue May 15 2018 DEZ003-004-MDZ019-020-160330- /O.EXA.KPHI.FF.A.0002.180515T2000Z-180516T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inland Sussex-Delaware Beaches-Talbot-Caroline- Including the cities of Georgetown, Rehoboth Beach, Easton, and Denton 320 PM EDT Tue May 15 2018 ...FLASH FLOOD WATCH IN EFFECT UNTIL 2 AM EDT WEDNESDAY... The National Weather Service in Mount Holly has expanded the * Flash Flood Watch to include portions of southern Delaware and northeast Maryland, including the following areas, in southern Delaware, Delaware Beaches and Inland Sussex. In northeast Maryland, Caroline and Talbot. * Until 2 AM EDT Wednesday * A line of intense thunderstorms is on track to move into the region from the northwest between 5 PM and 9 PM, continuing into this evening. There are indications that storms may repeatedly move or train over the same areas, especially late this evening. Localized rainfall of one to three inches is likely where this occurs. Combined with the rainfall received this past weekend, this may lead to a few instances of flash flooding. * The areas at greatest risk are poor-drainage and urban locals, where rapid runoff may cause localized flash flooding. Quickly responding creeks and streams may also experience flooding in areas that receive the heaviest rainfall. In addition, storms are expected to move through the area during and just after the evening commute. Motorists should be prepared for torrential downpours and potential flooding as the storms move through. 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-NJZ009-010-012>027-PAZ060-061-070-071- 101>106-160330- /O.CON.KPHI.FF.A.0002.180515T2000Z-180516T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Cecil-Kent MD-Queen Annes-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-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, 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, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 320 PM EDT Tue May 15 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY... 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, Cecil, Kent MD, and Queen Annes. 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, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Until 2 AM EDT Wednesday * A line of intense thunderstorms is on track to move into the region from the northwest between 4 PM and 8 PM, continuing into this evening. There are indications that storms may repeatedly move or train over the same areas, especially this evening. Localized rainfall of one to three inches is likely where this occurs. Combined with the rainfall received this past weekend, this may lead to a few instances of flash flooding. * The areas at greatest risk are poor-drainage and urban locals, where rapid runoff may cause localized flash flooding. Quickly responding creeks and streams may also experience flooding in areas that receive the heaviest rainfall. In addition, storms are expected to move through the area during and just after the evening commute. Motorists should be prepared for torrential downpours and potential flooding as the storms move through. 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. && $$
096 WGUS61 KPHI 152351 FFAPHI Flood Watch National Weather Service Mount Holly NJ 751 PM EDT Tue May 15 2018 PAZ060-061-160100- /O.CAN.KPHI.FF.A.0002.000000T0000Z-180516T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Berks-Lehigh- Including the cities of Reading and Allentown 751 PM EDT Tue May 15 2018 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for a portion of east central Pennsylvania has been cancelled. The heavy rain has ended across the area and is no longer expected for the rest of tonight. However additional showers are expected late tonight into Wednesday which may cause some ponding on roadways and poor drainage areas. $$ DEZ001>004-MDZ008-012-015-019-020-NJZ009-010-012>027-PAZ070-071- 101>106-160600- /O.CON.KPHI.FF.A.0002.000000T0000Z-180516T0600Z/ /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-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, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 751 PM EDT Tue May 15 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY... The Flash Flood Watch continues for * Portions of Delaware, northeast Maryland, 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 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 southeast Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery. * Until 2 AM EDT Wednesday * A line of moderate to heavy showers and thunderstorms continues to move across the area this evening. There are indications that storms may repeatedly move or train over the same areas, especially this evening portions of southern New Jersey, Delaware and eastern shore of Maryland. Localized rainfall of one to three inches is likely where this occurs. Combined with the rainfall received this past weekend, this may lead to a few instances of flash flooding. * The areas at greatest risk are poor-drainage and urban locals, where rapid runoff may cause localized flash flooding. Quickly responding creeks and streams may also experience flooding in areas that receive the heaviest rainfall. In addition, storms are expected to move through the area during and just after the evening commute. Motorists should be prepared for torrential downpours and potential flooding as the storms move through. 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. && $$
016 WGUS61 KPHI 160128 FFAPHI Flood Watch National Weather Service Mount Holly NJ 928 PM EDT Tue May 15 2018 NJZ009-010-012>015-PAZ070-071-101>106-160230- /O.CAN.KPHI.FF.A.0002.000000T0000Z-180516T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Hunterdon-Somerset-Middlesex-Western Monmouth-Eastern Monmouth- Mercer-Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 928 PM EDT Tue May 15 2018 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of New Jersey and southeast Pennsylvania has been cancelled. The heavy rain has ended across the area and is no longer expected for the rest of tonight. However additional showers are expected late tonight into Wednesday which may cause some ponding on roadways and poor drainage areas. $$ DEZ001>004-MDZ008-012-015-019-020-NJZ016>027-160600- /O.CON.KPHI.FF.A.0002.000000T0000Z-180516T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, and Wharton State Forest 928 PM EDT Tue May 15 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT WEDNESDAY... The Flash Flood Watch continues for * Portions of Delaware, northeast Maryland, and southern New Jersey, 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, Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Gloucester, Northwestern Burlington, Ocean, Salem, and Southeastern Burlington. * Until 2 AM EDT Wednesday * A line of moderate to heavy showers and thunderstorms continues to move across the area this evening. There are indications that storms may repeatedly move or train over the same areas across portions of southern New Jersey, Delaware and eastern shore of Maryland. Localized rainfall of one to three inches is likely where this occurs. Combined with the rainfall received this past weekend, this may lead to a few instances of flash flooding. * The areas at greatest risk are poor-drainage and urban locals, where rapid runoff may cause localized flash flooding. Quickly responding creeks and streams may also experience flooding in areas that receive the heaviest rainfall. In addition, storms are expected to move through the area during and just after the evening commute. Motorists should be prepared for torrential downpours and potential flooding as the storms move through. 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. && $$
975 WGUS61 KPHI 160420 FFAPHI Flood Watch National Weather Service Mount Holly NJ 1220 AM EDT Wed May 16 2018 DEZ001>004-MDZ008-012-015-019-020-NJZ016>027-160530- /O.CAN.KPHI.FF.A.0002.000000T0000Z-180516T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, and Wharton State Forest 1220 AM EDT Wed May 16 2018 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of Delaware, northeast Maryland, and southern New Jersey has been cancelled. The heavy rain has ended across the area and is no longer expected for the rest of the overnight. However, additional showers will continue through daybreak which may cause some ponding on roadways and poor drainage areas. $$ MPS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 8:45 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
| May 15, 5:35 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| May 15, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 67 min |
| May 15, 6:10 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| May 15, 6:35 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 40 min |
| May 15, 6:58 PM EDT | Areal Flood Advisory | PHI | New Castle | 4 hr |
| May 15, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 57 min |
| May 15, 2:49 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 56 min |
| May 15, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 55 min |
| May 15, 3:46 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 74 min |
| May 15, 4:12 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 33 min |
| May 15, 4:24 PM EDT | Special Weather Statement | PHI | Berks | 51 min |
| May 15, 4:26 PM EDT | Tornado Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 19 min |
| May 15, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 64 min |
| May 15, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 63 min |
| May 15, 5:14 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 2 hr |
| May 15, 5:22 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 38 min |
| May 15, 5:31 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Montgomery | 3 hr |
| May 15, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 52 min |
| May 15, 6:15 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 60 min |
| May 15, 4:49 PM EDT | Special Marine Warning | PHI | 86 min | |
| May 15, 6:02 PM EDT | Special Marine Warning | PHI | 88 min | |
| May 15, 6:12 PM EDT | Special Marine Warning | PHI | 63 min | |
| May 15, 6:17 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Cumberland, Gloucester, Ocean | 43 min |
| May 15, 6:46 PM EDT | Special Weather Statement | PHI | Atlantic, Cumberland, Ocean, Salem | 74 min |
| May 15, 7:14 PM EDT | Special Marine Warning | PHI | 91 min | |
| May 15, 7:30 PM EDT | Special Marine Warning | PHI | 90 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.