Alert archive / Pennsylvania / Flash Flood Warnings in 2020
Flash Flood Warning 11, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 6, 2020, 2:57 PM EDT for 4 counties in Pennsylvania; Burlington County, Camden County, Gloucester County, New Jersey. It was in force for 4 hr. 20 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 6, 2020, 2:57 PM EDT (18:57 UTC)
- Expired
- Jul 6, 2020, 7:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Emergency
- Flash flood emergency
- Damage threat
- Catastrophic
- Flood severity
- None
Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 66 km from the middle of the area, began a volume at 18:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 6, 2:58 PM EDT | FLASH FLOOD | Cheltenham, PA | WATER RESCUE AT NEW SECOND STREET AND EAST CHURCH ROAD IN CHELTENHAM. |
| Jul 6, 3:00 PM EDT | FLASH FLOOD | Cheltenham, PA | WATER RESCUES WITH SOME CARS COMPLETELY SUBMERGED ON JENKINTOWN AVENUE IN CHELTENHAM. |
| Jul 6, 3:04 PM EDT | FLASH FLOOD | Cheltenham, PA | WATER RESCUES ON TOOKANY CREEK PARKWAY IN CHELTENHAM. LOCAL OFFICIALS SAY TOOKANY CREEK PARKWAY SHOULD BE AVOIDED AT ALL COSTS. |
| Jul 6, 3:05 PM EDT | FLASH FLOOD | Cheltenham, PA | WATER RESCUES AT COVENTRY AVENUE AND ASBURY AVENUE IN CHELTENHEM. |
| Jul 6, 3:05 PM EDT | HEAVY RAIN 4.9 | Fox Chase, PA | |
| Jul 6, 3:13 PM EDT | FLASH FLOOD | Norristown, PA | WATER RESCUE AT STERIGERE STREET IN NORRISTOWN. |
| Jul 6, 3:14 PM EDT | FLASH FLOOD | Cheltenham, PA | WATER RESCUE AT RYERS AVENUE IN CHELTENHAM. |
| Jul 6, 3:17 PM EDT | FLASH FLOOD | Abington, PA | WATER RESCUE ON IRVIN ROAD IN ABINGTON. |
| Jul 6, 3:18 PM EDT | FLASH FLOOD | Upper Dublin Twp, PA | WATER RESCUE AT LOCH ALSH AVENUE AND FARM LANE IN UPPER DUBLIN TOWNSHIP. |
| Jul 6, 3:20 PM EDT | FLASH FLOOD | Moorestown Twp, NJ | WEST CENTRAL AVE IN MOORESTOWN FLOODED AND IMPASSABLE. |
| Jul 6, 3:21 PM EDT | FLASH FLOOD | Cheltenham, PA | TACONY CREEK ROSE 6 FEET IN 1.5 HOURS FROM HEAVY RAIN. |
| Jul 6, 3:21 PM EDT | FLASH FLOOD | Ramblewood, NJ | RAMBLEWOOD PARKWAY FLOODED. |
| Jul 6, 3:30 PM EDT | FLASH FLOOD | 1 E Moorestown, NJ | MARTER AVE FLOODED. |
| Jul 6, 4:00 PM EDT | FLASH FLOOD | Cheltenham, PA | SEVERE FLASH FLOODING OCCURRED IN THE CHELTENHAM AREA WESTWARD TO THE AUDUBON AREA IN FAR SOUTHEAST MONTGOMERY AND ADJACENT NORTHWEST PHILADELPHIA COUNTIES. BETWEEN 2 AND 4 PM, THERE WERE OVER 30 SEPARATE DISPATCH REPORTS OF WATER RESCUES IN MONTGOMERY COUNTY |
| Jul 6, 4:20 PM EDT | FLASH FLOOD | 1 Ssw Trooper, PA | WATER RESCUE ON DRIFTWOOD DRIVE WITH WATER ENTERING AT LEAST ONE HOME. |
| Jul 6, 4:30 PM EDT | FLASH FLOOD | 2 Ese Valley Forge, PA | WATER RESCUE NEAR THE INTERSECTION OF RICHARDS ROAD AND GLENHARDIE ROAD. TIME ESTIMATED FROM RADAR. |
| Jul 6, 4:30 PM EDT | FLASH FLOOD | 2 W King Of Prussia, PA | WATER RESCUE ON RICHARDS RD IN WAYNE. |
| Jul 6, 5:07 PM EDT | FLASH FLOOD | Fort Washington, PA | FLOODING ALONG ROUTE 309 NEAR THE FORT WASHINGTON INTERCHANGE WITH THE PENNSYLVANIA TURNPIKE. |
| Jul 6, 5:39 PM EDT | HEAVY RAIN 5.65 | Jenkintown, PA | STORM TOTAL. |
| Jul 6, 5:45 PM EDT | FLASH FLOOD | 1 Ssw Trooper, PA | A PORTION OF EGYPT RD WAS WASHED OUT FROM FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.0 hours before the alert went out and 213 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
- 100 J/kg
- Mixed-layer CIN
- -192 J/kg
- Mixed-layer LCL
- 1959 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
491
WGUS51 KPHI 061857
FFWPHI
NJC005-007-015-PAC017-045-091-101-062300-
/O.NEW.KPHI.FF.W.0011.200706T1857Z-200706T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
257 PM EDT Mon Jul 6 2020
...FLASH FLOOD EMERGENCY FOR THE NORTHERN PHILADELPHIA AREA...
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Northwestern Camden County in southern New Jersey...
North central Gloucester County in southern New Jersey...
Central Burlington County in southern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
Eastern Delaware County in southeastern Pennsylvania...
* Until 700 PM EDT.
* At 255 PM EDT, law enforcement reported several water rescues were
ongoing in northern Philadelphia. Widespread rainfall of 2 to 4
inches, with local amounts close to 5 inches, have occurred in the
Philadelphia metro area. This is a dangerous situation. Flash
flooding is already occurring. This replaces the previous flash
flood warning in effect for the area.
THIS IS A FLASH FLOOD EMERGENCY FOR NORTHERN PHILADELPHIA. This is
a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!
HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.
SOURCE...Law enforcement.
IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER
GROUND NOW! Life threatening flash flooding of low water
crossings, small creeks and streams, urban areas,
highways, streets and underpasses.
* Some locations that could experience flooding include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Bensalem,
Evesham, Mount Laurel, Ewing, Norristown, Willingboro, Deptford,
Voorhees, Medford, West Deptford, Lindenwold, Lansdale, West
Norriton, East Norriton, Lumberton and Florence.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets, and underpasses
as well as other drainage areas and low lying spots.
&&
LAT...LON 3981 7528 4004 7541 4007 7536 4006 7539
4009 7542 4010 7545 4016 7549 4034 7494
4030 7487 4024 7483 4022 7478 3981 7458
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
CMS4 follow-up statements
007
WGUS71 KPHI 061924
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
324 PM EDT Mon Jul 6 2020
NJC005-007-015-PAC017-045-091-101-062300-
/O.CON.KPHI.FF.W.0011.000000T0000Z-200706T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Gloucester NJ-Burlington NJ-Montgomery PA-Bucks PA-
Philadelphia PA-Delaware PA-
324 PM EDT Mon Jul 6 2020
...THIS IS A FLASH FLOOD EMERGENCY FOR NORTHERN PHILADELPHIA...
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
NORTHWESTERN CAMDEN...NORTH CENTRAL GLOUCESTER...CENTRAL
BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN BUCKS...
PHILADELPHIA AND EASTERN DELAWARE COUNTIES...
At 321 PM EDT, law enforcement continued to report numerous water
rescues in the northern Philadelphia area, especially near Tacony
Creek, which is completely out of its banks. Excessive rainfall of 3
to as much as 6 inches likely occurred in this area. Several reports
of flash flooding have also been received in the rest of the warning
area. This is a very dangerous situation. Flash flooding is in
progress.
THIS IS A FLASH FLOOD EMERGENCY FOR NORTHERN PHILADELPHIA. This is a
PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!
HAZARD...Life threatening flash flooding. Heavy rain producing flash
flooding.
SOURCE...Law enforcement.
IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER
GROUND NOW! Life threatening flash flooding of low water
crossings, small creeks and streams, urban areas, highways,
streets and underpasses.
Some locations that could experience flooding include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Bensalem,
Evesham, Mount Laurel, Ewing, Norristown, Willingboro, Deptford,
Voorhees, Medford, West Deptford, Lindenwold, Lansdale, West
Norriton, East Norriton, Lumberton and Florence.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets, and underpasses
as well as other drainage areas and low lying spots.
&&
LAT...LON 3981 7528 4004 7541 4007 7536 4006 7539
4009 7542 4010 7545 4016 7549 4034 7494
4030 7487 4024 7483 4022 7478 3981 7458
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
CMS423
WGUS71 KPHI 062032
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
432 PM EDT Mon Jul 6 2020
NJC005-007-015-PAC017-045-091-101-062300-
/O.CON.KPHI.FF.W.0011.000000T0000Z-200706T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Gloucester NJ-Burlington NJ-Montgomery PA-Bucks PA-
Philadelphia PA-Delaware PA-
432 PM EDT Mon Jul 6 2020
...THIS IS A FLASH FLOOD EMERGENCY FOR THE NORTHERN PHILADELPHIA
AREA...
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
NORTHWESTERN CAMDEN...NORTH CENTRAL GLOUCESTER...CENTRAL
BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN BUCKS...
PHILADELPHIA AND EASTERN DELAWARE COUNTIES...
At 430 PM EDT, law enforcement continued to report water rescues in
progress in far southeast Montgomery and northern Philadelphia
Counties. This remains a dangerous situation. Flash flooding is
already occurring.
THIS IS A FLASH FLOOD EMERGENCY FOR NORTHERN PHILADELPHIA. This is a
PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!
HAZARD...Life threatening flash flooding. Heavy rain producing flash
flooding.
SOURCE...Law enforcement.
IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER
GROUND NOW! Life threatening flash flooding of low water
crossings, small creeks and streams, urban areas, highways,
streets and underpasses.
Some locations that could experience flooding include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Bensalem,
Evesham, Mount Laurel, Ewing, Norristown, Willingboro, Deptford,
Voorhees, Medford, West Deptford, Lindenwold, Lansdale, West
Norriton, East Norriton, Lumberton and Florence.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets, and underpasses
as well as other drainage areas and low lying spots.
&&
LAT...LON 3981 7528 4004 7541 4007 7536 4006 7539
4009 7542 4010 7545 4016 7549 4034 7494
4030 7487 4024 7483 4022 7478 3981 7458
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
$$
CMS950
WGUS71 KPHI 062153
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
553 PM EDT Mon Jul 6 2020
NJC005-007-015-PAC017-045-091-101-062300-
/O.CON.KPHI.FF.W.0011.000000T0000Z-200706T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Gloucester NJ-Burlington NJ-Montgomery PA-Bucks PA-
Philadelphia PA-Delaware PA-
553 PM EDT Mon Jul 6 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
NORTHWESTERN CAMDEN...NORTH CENTRAL GLOUCESTER...CENTRAL
BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN BUCKS...
PHILADELPHIA AND EASTERN DELAWARE COUNTIES...
At 552 PM EDT, law enforcement continued to report flash flooding in
the warning area, especially in Montgomery County near the Audubon
area. Although the worst of the flooding has ended, residual
flooding continues in much of the area. Use extreme caution if
traveling in the warning area this evening.
HAZARD...Life threatening flash flooding. Heavy rain producing flash
flooding.
SOURCE...Law enforcement.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that could experience flooding include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Bensalem,
Evesham, Mount Laurel, Ewing, Norristown, Willingboro, Deptford,
Voorhees, Medford, West Deptford, Lindenwold, Lansdale, West
Norriton, East Norriton, Lumberton and Florence.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets, and underpasses
as well as other drainage areas and low lying spots.
&&
LAT...LON 3981 7528 4004 7541 4007 7536 4006 7539
4009 7542 4010 7545 4016 7549 4034 7494
4030 7487 4024 7483 4022 7478 3981 7458
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
CMS898
WGUS71 KPHI 062252
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
652 PM EDT Mon Jul 6 2020
NJC005-007-015-PAC017-045-091-101-062301-
/O.EXP.KPHI.FF.W.0011.000000T0000Z-200706T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Gloucester NJ-Burlington NJ-Montgomery PA-Bucks PA-
Philadelphia PA-Delaware PA-
652 PM EDT Mon Jul 6 2020
...THE FLASH FLOOD WARNING FOR NORTHWESTERN CAMDEN...NORTH CENTRAL
GLOUCESTER...CENTRAL BURLINGTON...SOUTHEASTERN MONTGOMERY...
SOUTHEASTERN BUCKS...PHILADELPHIA AND EASTERN DELAWARE COUNTIES WILL
EXPIRE AT 700 PM EDT...
The heavy rain has ended. Flood waters are beginning to recede.
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.
LAT...LON 3981 7528 4004 7541 4007 7536 4006 7539
4009 7542 4010 7545 4016 7549 4034 7494
4030 7487 4024 7483 4022 7478 3981 7458
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:16 AM EDT | Heat Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 12 hr |
| Jul 6, 12:34 PM EDT | Special Weather Statement | PHI | Philadelphia | 26 min |
| Jul 6, 12:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 60 min |
| Jul 6, 12:52 PM EDT | Flash Flood Watch | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 8 hr |
| Jul 6, 12:57 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 2 hr |
| Jul 6, 1:08 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 6, 1:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 60 min |
| Jul 6, 1:20 PM EDT | Special Weather Statement | PHI | Montgomery | 25 min |
| Jul 6, 1:24 PM EDT | Special Weather Statement | PHI | Monroe | 36 min |
| Jul 6, 1:43 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 62 min |
| Jul 6, 1:44 PM EDT | Special Weather Statement | PHI | Montgomery | 31 min |
| Jul 6, 1:50 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 4 hr |
| Jul 6, 1:50 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 40 min |
| Jul 6, 2:02 PM EDT | Areal Flood Advisory | PHI | Bucks | 118 min |
| Jul 6, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 41 min |
| Jul 6, 2:10 PM EDT | Areal Flood Advisory | PHI | Monroe | 2 hr |
| Jul 6, 2:18 PM EDT | Special Weather Statement | PHI | Montgomery | 27 min |
| Jul 6, 2:27 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 48 min |
| Jul 6, 2:28 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 28 min |
| Jul 6, 2:39 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery | 4 hr |
| Jul 6, 2:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 66 min |
| Jul 6, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 49 min |
| Jul 6, 2:48 PM EDT | Areal Flood Advisory | PHI | Philadelphia | 4 hr |
| Jul 6, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 24 min |
| Jul 6, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 45 min |
| Jul 6, 3:11 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 49 min |
| Jul 6, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 52 min |
| Jul 6, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 38 min |
| Jul 6, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 64 min |
| Jul 6, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 24 min |
| Jul 6, 4:07 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 4 hr |
| Jul 6, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Monroe, Northampton | 44 min |
| Jul 6, 4:51 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 114 min |
| Jul 6, 5:00 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 45 min |
| Jul 6, 5:01 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 119 min |
| Jul 6, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 61 min |
| Jul 6, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 43 min |
| Jul 6, 5:20 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 42 min |
| Jul 6, 5:29 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 46 min |
| Jul 6, 5:43 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 3 hr |
| Jul 6, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 52 min |
| Jul 6, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
| Jul 6, 6:14 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 3 hr |
| Jul 6, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 35 min |
| Jul 6, 6:54 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Montgomery | 109 min |
| Jul 6, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 36 min |
| Jul 6, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 69 min |
| Jul 6, 1:52 PM EDT | Special Weather Statement | PHI | Ocean | 23 min |
| Jul 6, 2:00 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 75 min |
| Jul 6, 2:46 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jul 6, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 39 min |
| Jul 6, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 46 min |
| Jul 6, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 42 min |
| Jul 6, 3:34 PM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth, Somerset | 116 min |
| Jul 6, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 54 min |
| Jul 6, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset | 39 min |
| Jul 6, 3:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 6, 3:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 6, 3:47 PM EDT | Flash Flood Warning | PHI | Middlesex, Morris, Somerset | 4 hr |
| Jul 6, 3:47 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 58 min |
| Jul 6, 4:41 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jul 6, 4:45 PM EDT | Special Marine Warning | PHI | 41 min | |
| Jul 6, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland, Salem | 60 min |
| Jul 6, 4:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 6, 5:24 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 4 hr |
| Jul 6, 5:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 6, 5:43 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 47 min |
| Jul 6, 5:57 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jul 6, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 60 min |
| Jul 6, 6:43 PM EDT | Special Marine Warning | PHI | 44 min | |
| Jul 6, 6:56 PM EDT | Special Marine Warning | PHI | 47 min | |
| Jul 6, 7:55 PM EDT | Special Weather Statement | PHI | Sussex | 50 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2020Flash Flood Warnings in New Jersey, 2020Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.