Alert archive / Pennsylvania / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Philadelphia/Mount Holly

July 12, 2021Burlington County, New Jersey; Bucks County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 12, 2021, 2:12 PM EDT for Burlington County, New Jersey; Bucks County, Philadelphia County, Pennsylvania. It was in force for 7 hr. 60 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 12, 2021, 2:12 PM EDT (18:12 UTC)
Expired: Jul 12, 2021, 9:00 PM EDT
In force: 7 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Emergency: Flash flood emergency
Flood severity: None

Counties Burlington County, NJ, Bucks County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 46 km from the middle of the area, began a volume at 18:15 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 12, 2:50 PM EDT	FLOOD	1 Nw Croydon, PA	A CAR WAS STRANDED AT THE RAILROAD UNDERPASS ON CEDAR AVE.
Jul 12, 3:05 PM EDT	FLOOD	1 Nne Bristol, PA	FLOODING AT THE GREEN LN RAILROAD UNDERPASS.
Jul 12, 3:10 PM EDT	FLASH FLOOD	1 Ne Bristol, PA	WATER RESCUE ON MCKINLEY ST AT WILSON AVE.
Jul 12, 3:24 PM EDT	FLASH FLOOD	Tacony, PA	REPORT FROM MPING: RIVER/CREEK OVERFLOWING; CROPLAND/YARD/BASEMENT FLOODING.
Jul 12, 3:35 PM EDT	FLASH FLOOD	1 Nne Burlington Twp, NJ	STREET FLOODING ON BEECHWOOD AVE AT PINEWALD LN. PHOTOS SHOW THE ROAD BECOMING CLOSE TO IMPASSABLE.
Jul 12, 3:40 PM EDT	FLASH FLOOD	Bristol, PA	SEVERAL INSTANCES OF VEHICLES UNDERWATER AND WATER RESCUES REPORTED TO BE ONGOING IN PORTIONS OF BRISTOL.
Jul 12, 3:40 PM EDT	FLASH FLOOD	Tullytown, PA	WATER RESCUE ON SPENCER DR.
Jul 12, 4:10 PM EDT	FLASH FLOOD	1 Wnw Croydon, PA	WATER ENTERING A HOME ON ALLEN AVE.
Jul 12, 4:25 PM EDT	FLASH FLOOD	2 Ssw Levittown, PA	WAIST DEEP WATER COVERING MCKINLEY AVE WITH WATER POURING INTO BASEMENTS.
Jul 12, 4:30 PM EDT	FLASH FLOOD	Bristol, PA	WIDESPREAD STREET FLOODING.
Jul 12, 4:34 PM EDT	FLASH FLOOD	1 Nnw Burlington Twp, NJ	REPORT FROM MPING: STREET/ROAD FLOODING; STREET/ROAD CLOSED; VEHICLES STRANDED.
Jul 12, 4:40 PM EDT	FLASH FLOOD	1 Ese Eddington, PA	PORTION OF STATE RD CLOSED DUE TO FLOODING.
Jul 12, 4:47 PM EDT	FLASH FLOOD	Roebling, NJ	ALL LANES OF US-130 SOUTHBOUND CLOSED NORTH OF CR-656.
Jul 12, 4:50 PM EDT	FLASH FLOOD	1 E Andalusia, PA	FLOODING ON I-95 SOUTH AT WOODHAVEN RD.
Jul 12, 4:55 PM EDT	FLASH FLOOD	1 Se Eddington, PA	STATE RD AT AMERICAN DR CLOSED DUE TO FLOODING WITH WATER RESCUES.
Jul 12, 5:30 PM EDT	FLASH FLOOD	1 W Florence, NJ	WATER RESCUE ON FRONT ST.
Jul 12, 5:30 PM EDT	FLASH FLOOD	2 Ne Burlington, NJ	FOUR FEET OF WATER ON RIVER RD.
Jul 12, 5:35 PM EDT	FLASH FLOOD	1 Nnw Holmesburg, PA	THE GAUGE ON PENNYPACK CREEK IN PHILADELPHIA (PLLP1) REACHED FLOOD STAGE AT 535 PM, CRESTING AT 9.43 FEET (MODERATE FLOOD) AT 605 PM.
Jul 12, 5:35 PM EDT	FLASH FLOOD	1 Wnw Bristol, PA	PORTIONS OF ROUTE 13 FLOODED WITH UP TO 6 FEET OF WATER.
Jul 12, 5:35 PM EDT	HEAVY RAIN 2.25	Bordentown, NJ
Jul 12, 5:40 PM EDT	FLASH FLOOD	Northeast Philadelphia, PA	WIDESPREAD STREET FLOODING.
Jul 12, 5:45 PM EDT	FLASH FLOOD	Florence, NJ	NUMEROUS INSTANCES OF BASEMENT FLOODING IN FLORENCE.
Jul 12, 5:54 PM EDT	HEAVY RAIN 4.74	2 Wnw Eddington, PA	PERSONAL WEATHER STATION KPAPHILA96, AN AMBIENT WEATHER SENSOR.
Jul 12, 5:54 PM EDT	HEAVY RAIN 5	Beverly, NJ
Jul 12, 5:55 PM EDT	FLASH FLOOD	1 Ne Feasterville-Trevo, PA	ROUTE 1 FLOODED AT ROCKHILL DR.
Jul 12, 5:55 PM EDT	HEAVY RAIN 3.79	Levittown, PA
Jul 12, 5:57 PM EDT	FLASH FLOOD	1 Wnw Tullytown, PA	ROADS IMPASSABLE DUE TO STANDING AND MOVING FLOODWATERS; HEAVY RAIN ONGOING.
Jul 12, 6:00 PM EDT	FLASH FLOOD	1 Nw Croydon, PA	WATER RESCUE ON WALNUT AVE.
Jul 12, 6:01 PM EDT	FLASH FLOOD	1 E Eddington, PA	US-13 FLOODED AT GIBBS RD.
Jul 12, 6:15 PM EDT	FLASH FLOOD	1 Ne Croydon, PA	A PORTION OF DIXON AVE HAS WASHED OUT NEAR NEWPORT RD. EVACUATIONS FROM HOMES IN THE AREA ARE ONGOING BUT FACING DIFFICULTY DUE TO FLOOD WATERS.
Jul 12, 6:15 PM EDT	FLASH FLOOD	1 Nnw Burlington Twp, NJ	LAGORCE BLVD FLOODED BETWEEN COLUMBUS RD AND LAMBETH RD. SOCIAL MEDIA REPORT WITH VIDEO.
Jul 12, 6:18 PM EDT	FLASH FLOOD	1 Sse Somerton, PA	PA-63 CLOSED NEAR US-1.
Jul 12, 6:20 PM EDT	FLASH FLOOD	1 Wsw Eddington, PA	WATER RESCUES ONGOING FROM SEVERAL HOUSES ON KINGS AVE.
Jul 12, 6:20 PM EDT	FLASH FLOOD	Palmyra, NJ	WATER RESCUE FROM A VEHICLE IN PALMYRA.
Jul 12, 6:25 PM EDT	FLASH FLOOD	1 Ne Andalusia, PA	WATER RESCUES ONGOING ON GRAVEL PIKE.
Jul 12, 6:35 PM EDT	FLASH FLOOD	1 Sw Palmyra, NJ	NJ-73 NORTHBOUND FLOODED AND CLOSED NEAR CR-543.
Jul 12, 6:35 PM EDT	HEAVY RAIN 10.28	1 N Croydon, PA	PERSONAL WEATHER STATION KPACROYD5, AN AMBIENT WEATHER SENSOR.
Jul 12, 6:37 PM EDT	HEAVY RAIN 9.77	1 Wnw Croydon, PA	PERSONAL WEATHER STATION KPACROYD6, AN AMBIENT WEATHER SENSOR.
Jul 12, 6:39 PM EDT	FLASH FLOOD	Palmyra, NJ	WATER RESCUE AT INTERSECTION OF SPRING GARDEN AND FILBERT STREET.
Jul 12, 6:39 PM EDT	HEAVY RAIN 7.33	Florence, NJ	PERSONAL WEATHER STATION KNJFLORE18, AN AMBIENT WEATHER SENSOR.
Jul 12, 6:40 PM EDT	FLASH FLOOD	1 N Cooperstown, NJ	WATER RESCUE AT NORTH GARDEN BOULEVARD AND IVY ROAD.
Jul 12, 6:43 PM EDT	HEAVY RAIN 8.67	1 S Bristol Twp, PA	PERSONAL WEATHER STATION KNJFLORE18, AN AMBIENT WEATHER SENSOR.
Jul 12, 6:45 PM EDT	FLASH FLOOD	1 W Palmyra, NJ	WATER RESCUE ON MARKET ST AT JEFFERSON ST.
Jul 12, 6:45 PM EDT	FLASH FLOOD	Riverside, NJ	WATER RESCUE FROM VEHICLE ON FAIRVIEW ST.
Jul 12, 6:45 PM EDT	FLASH FLOOD	Riverside, NJ	WATER RESCUE FROM VEHICLE ON WEBSTER ST.
Jul 12, 6:45 PM EDT	HEAVY RAIN 3.88	1 Nne Burlington Twp, NJ	NWS EMPLOYEE WITH 4 INCH COCORAHS GAUGE.
Jul 12, 6:50 PM EDT	FLASH FLOOD	1 Ssw Palmyra, NJ	WATER RESCUE.
Jul 12, 6:56 PM EDT	FLASH FLOOD	1 Ne Edgewater Park, NJ	WATER RESCUE AT 120 ELM STREET.
Jul 12, 6:59 PM EDT	HEAVY RAIN 4.65	1 Se Riverside, NJ	PERSONAL WEATHER STATION KNJRIVER11, AN ACURITE SENSOR.
Jul 12, 6:59 PM EDT	HEAVY RAIN 5.55	2 E Holmesburg, PA	PERSONAL WEATHER STATION KPAPHILA269, AN AMBIENT WEATHER SENOR.
Jul 12, 7:00 PM EDT	FLASH FLOOD	1 Nnw Bristol, PA	SEVERAL INSTANCES OF PEOPLE TRAPPED IN HOMES NEAR THE 500 SECTION OF BRISTOL PIKE.
Jul 12, 7:00 PM EDT	FLASH FLOOD	Delanco, NJ	TRAINED SPOTTER SENT PICTURES OF CONSIDERABLE STREET FLOODING IN DELANCO WITH A FEW FEET OF WATER ON THE GROUND. 5.50 INCHES OF RAIN FELL IN TOTAL OVER 6 HOURS AND 17 MINUTES. HEAVIEST RAINFALL COINCIDED WITH HIGH TIDE ON THE RANCOCAS CREEK.
Jul 12, 7:10 PM EDT	FLASH FLOOD	Andalusia, PA	CORRECTS LOCATION AND DETAILS FOR PREVIOUS FLASH FLOOD REPORT. WATER RESCUES AT THE LAFAYETTE GARDENS APARTMENT COMPLEX. 80 TO 100 APARTMENTS HAVE TAKEN ON WATER AND ARE BEING EVACUATED.
Jul 12, 7:10 PM EDT	FLASH FLOOD	Bristol, PA	WATER RESCUES AT THE LAFAYETTE GARDENS CONDOMINIUM.
Jul 12, 7:10 PM EDT	HEAVY RAIN 2.5	2 N Jacksonville, NJ	NJWXNET STATION AT BURLINGTON COUNTY LANDFILL.
Jul 12, 7:34 PM EDT	HEAVY RAIN 4.28	1 S Riverton, NJ	PERSONAL WEATHER STATION KNJCINNA6, AN AMBIENT WEATHER SENSOR.
Jul 12, 8:12 PM EDT	HEAVY RAIN 5.5	Delanco, NJ	RAIN FELL IN 6 HOURS AND 17 MINUTES. CONSIDERABLE FLOODING IN DELANCO AS WELL.
Jul 12, 8:41 PM EDT	HEAVY RAIN 5.04	1 Nnw Andalusia, PA	PERSONAL WEATHER STATION KPAPHILA284, AN AMBIENT WEATHER SENSOR.
Jul 12, 8:44 PM EDT	HEAVY RAIN 3.99	Northeast Philadelphia, PA	KPNE ASOS MEASUREMENT.
Jul 12, 8:45 PM EDT	HEAVY RAIN 2.73	1 Wsw Cinnaminson, NJ	CWOP STATION AR824 CINNAMINSON.

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, 6.2 hours before the alert went out and 195 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 857 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 697 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

As transmitted.

687 
WGUS51 KPHI 121812
FFWPHI
NJC005-PAC017-101-122215-
/O.NEW.KPHI.FF.W.0014.210712T1812Z-210712T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
212 PM EDT Mon Jul 12 2021

The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
  Northwestern Burlington County in southern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...
  Northeastern Philadelphia County in southeastern Pennsylvania...

* Until 615 PM EDT.

* At 212 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1 inch of rain 
  has fallen. Additional rainfall amounts of 2 to 3 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets, and underpasses as well as other
           drainage and low lying areas.

* Some locations that may experience flash flooding include...
  Philadelphia, Bensalem, Willingboro, Florence, Burlington, 
  Bristol, Riverside, Palmyra, Bordentown, Beverly, and Tullytown.

This includes the following highways...
	New Jersey Turnpike between exits 6 and 7A.
	Pennsylvania Turnpike between mile markers 350 and 359.
	Interstate 95 in Pennsylvania between mile markers 27 and 40.
	Interstate 295 in New Jersey between mile markers 48 and 57.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

&&

LAT...LON 3999 7507 4004 7514 4005 7512 4005 7511
      4006 7510 4007 7509 4014 7502 4022 7478
      4019 7475 4016 7472 4015 7472 4016 7471
      4018 7471 4018 7470 4014 7462 3996 7502
      3998 7501 3999 7502 4000 7503

FLASH FLOOD...RADAR INDICATED

$$

Iovino

3 follow-up statements

779 
WGUS71 KPHI 121908
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
308 PM EDT Mon Jul 12 2021

NJC005-PAC017-101-122215-
/O.CON.KPHI.FF.W.0014.000000T0000Z-210712T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Bucks PA-Philadelphia PA-
308 PM EDT Mon Jul 12 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT THIS 
EVENING FOR NORTHWESTERN BURLINGTON, SOUTHEASTERN BUCKS, AND 
NORTHEASTERN PHILADELPHIA COUNTIES...

At 308 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 2.5 inches of rain have 
fallen. Additional rainfall amounts of 1 to 2.5 inches are possible 
in the warned area. Flash flooding is ongoing or expected to begin 
shortly.

HAZARD...Life threatening flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets, and underpasses.

Some locations that will experience flash flooding include...
  Philadelphia, Bensalem, Willingboro, Florence, Burlington, 
  Bristol, Riverside, Palmyra, Bordentown, Beverly, and Tullytown.

This includes the following highways...
	New Jersey Turnpike between exits 6 and 7A.
	Pennsylvania Turnpike between mile markers 350 and 359.
	Interstate 95 in Pennsylvania between mile markers 27 and 40.
	Interstate 295 in New Jersey between mile markers 48 and 57.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

&&

LAT...LON 3999 7507 4004 7514 4005 7512 4005 7511
      4006 7510 4007 7509 4014 7502 4022 7478
      4019 7475 4016 7472 4015 7472 4016 7471
      4018 7471 4018 7470 4014 7462 3996 7502
      3998 7501 3999 7502 4000 7503

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Iovino

164 
WGUS51 KPHI 122103
FFWPHI
NJC005-PAC017-101-130100-
/O.EXT.KPHI.FF.W.0014.000000T0000Z-210713T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
503 PM EDT Mon Jul 12 2021

The National Weather Service in Mount Holly has extended the

* Flash Flood Warning for...
  Northwestern Burlington County in southern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...
  Northeastern Philadelphia County in southeastern Pennsylvania...

* Until 900 PM EDT.

* At 503 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 3 and 5 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 3 inches are 
  possible in the warned area. Flash flooding is already occurring.

  HAZARD...Life threatening flash flooding caused by
           thunderstorms.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets, and underpasses.

* Some locations that will experience flash flooding include...
  Philadelphia, Bensalem, Willingboro, Florence, Burlington, 
  Bristol, Riverside, Palmyra, Bordentown, Beverly, and Tullytown.

This includes the following highways...
	New Jersey Turnpike between exits 6 and 7A.
	Pennsylvania Turnpike between mile markers 350 and 359.
	Interstate 95 in Pennsylvania between mile markers 27 and 40.
	Interstate 295 in New Jersey between mile markers 48 and 57.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

&&

LAT...LON 3999 7507 4004 7514 4005 7512 4005 7511
      4006 7510 4007 7509 4014 7502 4022 7478
      4019 7475 4016 7472 4015 7472 4016 7471
      4018 7471 4018 7470 4014 7462 3996 7502
      3998 7501 3999 7502 4000 7503

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Iovino

536 
WGUS71 KPHI 122114
FFSPHI

Flash Flood Statement
National Weather Service Mount Holly NJ
514 PM EDT Mon Jul 12 2021

NJC005-PAC017-101-130100-
/O.CON.KPHI.FF.W.0014.000000T0000Z-210713T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Bucks PA-Philadelphia PA-
514 PM EDT Mon Jul 12 2021

...FLASH FLOOD EMERGENCY FOR BENSALEM, BRISTOL, FLORENCE 
AND VICINITY...

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM EDT THIS EVENING 
FOR NORTHWESTERN BURLINGTON, SOUTHEASTERN BUCKS, AND NORTHEASTERN 
PHILADELPHIA COUNTIES...

At 514 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 4 and 7 inches of rain have 
fallen. Additional rainfall amounts of 1 to 3 inches are possible in 
the warned area. Flash flooding is already occurring.

This is a FLASH FLOOD EMERGENCY for Bensalem, Bristol, Florence and 
vicinity. This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER 
GROUND NOW!

HAZARD...Life threatening flash flooding caused by thunderstorms.

SOURCE...Radar.

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 will experience flash flooding include...
  Philadelphia, Bensalem, Willingboro, Florence, Burlington, 
  Bristol, Riverside, Palmyra, Bordentown, Beverly, and Tullytown.

This includes the following highways...
	New Jersey Turnpike between exits 6 and 7A.
	Pennsylvania Turnpike between mile markers 350 and 359.
	Interstate 95 in Pennsylvania between mile markers 27 and 40.
	Interstate 295 in New Jersey between mile markers 48 and 57.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3999 7507 4004 7514 4005 7512 4005 7511
      4006 7510 4007 7509 4014 7502 4022 7478
      4019 7475 4016 7472 4015 7472 4016 7471
      4018 7471 4018 7470 4014 7462 3996 7502
      3998 7501 3999 7502 4000 7503

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC

$$

Iovino

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 12, 1:59 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden	3 hr
Jul 12, 2:20 PM EDT	Areal Flood Advisory	PHI	Mercer, Middlesex, Monmouth	3 hr
Jul 12, 2:37 PM EDT	Flash Flood Warning	PHI	Mercer, Middlesex, Monmouth	93 min
Jul 12, 3:08 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	67 min
Jul 12, 3:31 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Monmouth	41 min
Jul 12, 4:26 PM EDT	Special Marine Warning	PHI		2 hr
Jul 12, 4:33 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	42 min
Jul 12, 4:52 PM EDT	Areal Flood Advisory	PHI	Monmouth, Ocean	98 min
Jul 12, 5:08 PM EDT	Areal Flood Advisory	PHI	Sussex	5 hr
Jul 12, 5:08 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Mercer	67 min
Jul 12, 5:26 PM EDT	Areal Flood Advisory	PHI	Camden	2 hr
Jul 12, 5:36 PM EDT	Special Weather Statement	PHI	Sussex	24 min
Jul 12, 5:41 PM EDT	Areal Flood Advisory	PHI	Burlington	83 min
Jul 12, 5:57 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	63 min
Jul 12, 6:01 PM EDT	Flash Flood Warning	PHI	Camden	102 min
Jul 12, 6:08 PM EDT	Areal Flood Advisory	PHI	Morris	98 min
Jul 12, 6:43 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	93 min
Jul 12, 6:52 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	34 min
Jul 12, 7:00 PM EDT	Areal Flood Advisory	PHI	Gloucester, Salem	112 min
Jul 12, 7:06 PM EDT	Severe Thunderstorm Warning	PHI	Salem	69 min
Jul 12, 7:11 PM EDT	Flash Flood Warning	PHI	Morris, Sussex	35 min
Jul 12, 7:33 PM EDT	Special Marine Warning	PHI		58 min
Jul 11, 10:21 PM EDT	Severe Thunderstorm Warning	PHI	Berks	24 min
Jul 11, 10:22 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	38 min
Jul 12, 2:28 PM EDT	Areal Flood Advisory	PHI	Chester	3 hr
Jul 12, 4:16 PM EDT	Areal Flood Advisory	PHI	Bucks, Montgomery, Philadelphia	114 min
Jul 12, 5:41 PM EDT	Severe Thunderstorm Warning	PHI	Chester	34 min
Jul 12, 6:18 PM EDT	Flash Flood Warning	PHI	Delaware	84 min

Nearby

Flash Flood Warnings in Pennsylvania, 2021 Flash Flood Warnings in New Jersey, 2021 Every flash flood warning in 2021

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.