Alert archive / Pennsylvania / Flash Flood Warnings in 2020
Flash Flood Warning 10, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 6, 2020, 1:08 PM EDT for Burlington County, Camden County, New Jersey; 4 counties in Pennsylvania. It was in force for 4 hr. 21 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, 1:08 PM EDT (17:08 UTC)
- Expired
- Jul 6, 2020, 5:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Burlington County, NJ, Camden County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 53 km from the middle of the area, began a volume at 17:08 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, 1:55 PM EDT | FLASH FLOOD | Northeast Philadelphia, PA | PENNYPACK CREEK IN NORTHEAST PHILADELPHIA REACHED FLOOD STAGE AFTER RISING 4.5 FEET IN LESS THAN ONE HOUR FROM HEAVY RAIN. |
| Jul 6, 2:05 PM EDT | FLOOD | 1 N Belmont Hills, PA | FLOODING ON I-76 EASTBOUND NEAR MILE MARKER 337. LANE RESTRICTIONS IN PLACE. |
| Jul 6, 2:15 PM EDT | FLASH FLOOD | 2 Wsw Hainesport, NJ | UNION MILL ROAD IN HAINESPORT AND MOUNT LAUREL CLOSED FROM FLASH FLOODING. TIME ESTIMATED FROM SURROUNDING REPORTS AND RADAR. |
| Jul 6, 2:35 PM EDT | FLASH FLOOD | Bensalem, PA | THREE CARS SUBMERGED ON WILLOW LANE IN BENSALEM. |
| Jul 6, 2:38 PM EDT | HEAVY RAIN 2.5 | Moorestown, NJ | FELL IN 90 MINUTES SOME STREET FLOODING. |
| Jul 6, 2:40 PM EDT | FLASH FLOOD | Abington, PA | WATER RESCUES AT HUNTINGDON PIKE AND SAN DIEGO AVENUE IN ABINGTON. |
| Jul 6, 2:40 PM EDT | FLASH FLOOD | Philadelphia, PA | CARS SUBMERGED, SOME WITH WATER RESCUES, ON OAK AVENUE AND NORTH 20TH STREET IN PHILADELPHIA. |
| Jul 6, 2:40 PM EDT | FLASH FLOOD | Philadelphia, PA | NUMEROUS CARS SUBMERGED ON CHELTENHEM AVENUE IN PHILADELPHIA. |
| Jul 6, 2:45 PM EDT | FLASH FLOOD | Cheltenham, PA | WATER RESCUE ON LIMEKILN PIKE IN CHELTENHEM. |
| 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, 3:14 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, 3:20 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 |
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, 5.1 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
- 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.
102
WGUS51 KPHI 061708
FFWPHI
NJC005-007-PAC017-045-091-101-062115-
/O.NEW.KPHI.FF.W.0010.200706T1708Z-200706T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
108 PM EDT Mon Jul 6 2020
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Northwestern Camden County in southern New Jersey...
Northwestern Burlington County in southern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
Northeastern Delaware County in southeastern Pennsylvania...
* Until 515 PM EDT.
* At 107 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to one and a half inches of
rain have fallen in the past 45 minutes. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
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 could experience flooding include...
Philadelphia, Camden, Bensalem, Mount Laurel, Willingboro,
Lumberton, Florence, Yeadon, Burlington, Bristol, Mount Holly,
Riverside, Conshohocken, Palmyra, Jenkintown, Narberth, East
Lansdowne, Beverly, Rockledge and Tullytown.
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.
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 4022 7480 3994 7473 3991 7496 3992 7532
4005 7536 4013 7518
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
CMS3 follow-up statements
982
WGUS71 KPHI 061724
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
124 PM EDT Mon Jul 6 2020
NJC005-007-PAC017-045-091-101-062115-
/O.CON.KPHI.FF.W.0010.000000T0000Z-200706T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
Delaware PA-
124 PM EDT Mon Jul 6 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHWESTERN CAMDEN...NORTHWESTERN BURLINGTON...SOUTHEASTERN
MONTGOMERY...SOUTHEASTERN BUCKS...PHILADELPHIA AND NORTHEASTERN
DELAWARE COUNTIES...
At 123 PM EDT, Doppler radar and automated gauges indicated
thunderstorms producing heavy rain across the warned area. Up to two
inches of rain have already fallen in northern portions of
Philadelphia. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Heavy rain producing flash
flooding.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that could experience flooding include...
Philadelphia, Camden, Bensalem, Mount Laurel, Willingboro, Lumberton,
Florence, Yeadon, Burlington, Bristol, Mount Holly, Riverside,
Conshohocken, Palmyra, Jenkintown, Narberth, East Lansdowne, Beverly,
Rockledge and Tullytown.
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.
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 4022 7480 3994 7473 3991 7496 3992 7532
4005 7536 4013 7518
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
CMS353
WGUS71 KPHI 061819
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
219 PM EDT Mon Jul 6 2020
NJC005-007-PAC017-045-091-101-062115-
/O.CON.KPHI.FF.W.0010.000000T0000Z-200706T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
Delaware PA-
219 PM EDT Mon Jul 6 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHWESTERN CAMDEN...NORTHWESTERN BURLINGTON...SOUTHEASTERN
MONTGOMERY...SOUTHEASTERN BUCKS...PHILADELPHIA AND NORTHEASTERN
DELAWARE COUNTIES...
At 216 PM EDT, gauge reports indicated Pennypack Creek has reached
flood stage and Frankford Creek is rapidly approaching flood stage.
Up to three inches of rain have already fallen. Spotters and law
enforcement have reported road flooding in several locations in the
warning area. This is a dangerous situation. Flash flooding is
already occurring.
HAZARD...Life threatening flash flooding. Heavy rain producing flash
flooding.
SOURCE...Automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that could experience flooding include...
Philadelphia, Camden, Bensalem, Mount Laurel, Willingboro, Lumberton,
Florence, Yeadon, Burlington, Bristol, Mount Holly, Riverside,
Conshohocken, Palmyra, Jenkintown, Narberth, East Lansdowne, Beverly,
Rockledge and Tullytown.
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.
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 4022 7480 3994 7473 3991 7496 3992 7532
4005 7536 4013 7518
FLASH FLOOD...GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
CMS493
WGUS71 KPHI 061844
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
244 PM EDT Mon Jul 6 2020
NJC005-007-PAC017-045-091-101-062115-
/O.CON.KPHI.FF.W.0010.000000T0000Z-200706T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
Delaware PA-
244 PM EDT Mon Jul 6 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
NORTHWESTERN CAMDEN...NORTHWESTERN BURLINGTON...SOUTHEASTERN
MONTGOMERY...SOUTHEASTERN BUCKS...PHILADELPHIA AND NORTHEASTERN
DELAWARE COUNTIES...
At 242 PM EDT, law enforcement reported heavy rain continuing in the
Philadelphia metropolitan area. Law enforcement reports several
water rescues in the northern Philadelphia area and adjacent
portions of Montgomery and Bucks Counties. Frankford Creek has
reached moderate flood stage. This is a very dangerous situation.
Flash flooding is already occurring.
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, Bensalem, Mount Laurel, Willingboro, Lumberton,
Florence, Yeadon, Burlington, Bristol, Mount Holly, Riverside,
Conshohocken, Palmyra, Jenkintown, Narberth, East Lansdowne, Beverly,
Rockledge and Tullytown.
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.
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 4022 7480 3994 7473 3991 7496 3992 7532
4005 7536 4013 7518
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
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 | Burlington, Camden, Gloucester, Mercer | 12 hr |
| Jul 6, 12:45 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 60 min |
| Jul 6, 12:52 PM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 8 hr |
| Jul 6, 12:57 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden | 2 hr |
| Jul 6, 1:15 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth | 60 min |
| Jul 6, 1:43 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 62 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, 2:02 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Mercer, Middlesex, Monmouth, Ocean | 118 min |
| Jul 6, 2:39 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 66 min |
| Jul 6, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 49 min |
| Jul 6, 2:46 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jul 6, 2:48 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 4 hr |
| Jul 6, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 39 min |
| Jul 6, 2:57 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Jul 6, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 45 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, 3:38 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 52 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, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 36 min |
| Jul 6, 7:55 PM EDT | Special Weather Statement | PHI | Sussex | 50 min |
| Jul 6, 12:34 PM EDT | Special Weather Statement | PHI | Philadelphia | 26 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, 1:44 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, 2:04 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, 2:51 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 24 min |
| Jul 6, 3:11 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 49 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, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 69 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.