Alert archive / Pennsylvania / Flash Flood Warnings in 2021
Flash Flood Warning 10, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 14, 2021, 9:17 PM EDT for Delaware County, Philadelphia County, Pennsylvania; Burlington County, Camden County, New Jersey. It was in force for 3 hr. 9 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
- Jun 14, 2021, 9:17 PM EDT (01:17 UTC)
- Expired
- Jun 15, 2021, 12:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Burlington County, NJ, Camden County, NJ, Delaware County, PA, Philadelphia County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 14, 9:31 PM EDT | FLASH FLOOD | 1 Ssw Summerdale, PA | FRANKFORD CREEK AT FRANKFORD (FCRP1) EXCEEDED FLOOD STAGE. THE CREEK ROSE 5.5 FEET IN 24 MINUTES. |
| Jun 14, 9:42 PM EDT | FLASH FLOOD | 1 W Camden, NJ | WATER RESCUE ON DELAWARE AVE AT FEDERAL ST. WATER UP TO THE DRIVERS KNEES. |
| Jun 14, 9:55 PM EDT | FLASH FLOOD | 1 E Camden, NJ | MULTIPLE STRANDED VEHICLES WITH WATER RESCUES ON RIVER AVE AT FEDERAL AVE. |
| Jun 14, 9:57 PM EDT | FLASH FLOOD | 1 Ene Camden, NJ | WATER RESCUE ON HARRISON AVE AT 17TH ST. TIME ESTIMATED FROM DISPATCH REPORT. |
| Jun 14, 10:00 PM EDT | FLASH FLOOD | 2 Se Point Breeze, PA | STREET FLOODING OBSERVED IN SOUTH PHILADELPHIA. TOTAL RAINFALL OF 3.24 INCHES IN 3 HOURS. |
| Jun 14, 10:05 PM EDT | FLASH FLOOD | 1 Nw South Philadelphia, PA | MULTIPLE VEHICLES REPORTED TO BE TRAPPED IN WATER AT 63RD AND PASSYUNK ST. LOCAL FIRE DEPARTMENTS ARE ASSISTING TRAPPED MOTORISTS. TIME ESTIMATED. |
| Jun 14, 10:10 PM EDT | FLASH FLOOD | 1 W Whitman Park, NJ | WATER RESCUE ON 2ND ST AT WALNUT ST. |
| Jun 14, 10:10 PM EDT | FLASH FLOOD | Whitman Park, NJ | 8TH ST IS CLOSED BETWEEN ATLANTIC AVE AND THURMAN AVE DUE TO FLOODING. ALSO, A WATER RESCUE WAS PERFORMED AT 8TH AND ATLANTIC. |
| Jun 14, 10:30 PM EDT | FLASH FLOOD | 1 Wsw Pennsauken, NJ | VEHICLES STRANDED AT 32ND AND HIGH ST. |
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 00:00Z, 1.3 hours before the alert went out and 216 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1380 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
163
WGUS51 KPHI 150117
FFWPHI
NJC005-007-PAC045-101-150415-
/O.NEW.KPHI.FF.W.0010.210615T0117Z-210615T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
917 PM EDT Mon Jun 14 2021
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
West Central Burlington County in southern New Jersey...
Northwestern Camden County in southern New Jersey...
Southeastern Delaware County in southeastern Pennsylvania...
Central Philadelphia County in southeastern Pennsylvania...
* Until 1215 AM EDT.
* At 917 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1 and 2 inches of rain have fallen. Additional rainfall amounts of
0.5 to 1 inch are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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 will experience flash flooding include...
Philadelphia, Camden, Gloucester City, Yeadon, Palmyra, Folcroft,
Swarthmore, East Lansdowne, Ben Franklin Bridge, Center City,
Kensington, and South Philadelphia.
This includes the following highways...
Interstate 95 in Pennsylvania between mile markers 9 and 33.
Interstate 76 in Pennsylvania between mile markers 342 and 351.
Interstate 76 in New Jersey near mile marker 3.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 1 and 4.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3994 7537 3997 7527 4006 7499 4006 7498
4005 7498 3996 7491 3994 7499 3990 7513
3985 7530
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
JEO4 follow-up statements
659
WGUS71 KPHI 150131
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
931 PM EDT Mon Jun 14 2021
NJC005-007-PAC045-101-150415-
/O.CON.KPHI.FF.W.0010.000000T0000Z-210615T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Camden NJ-Delaware PA-Philadelphia PA-
931 PM EDT Mon Jun 14 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT TUESDAY
FOR WEST CENTRAL BURLINGTON, NORTHWESTERN CAMDEN, SOUTHEASTERN
DELAWARE, AND CENTRAL PHILADELPHIA COUNTIES...
At 931 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1.5 and 2 inches of rain have fallen. Additional rainfall amounts of
0.5 to 1 inch are possible in the warned area. Flash flooding is
already occurring. Multiple reports of flooded roadways have been
received in western Camden County.
HAZARD...Life threatening flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets, and underpasses.
Some locations that will experience flash flooding include...
Philadelphia, Camden, Gloucester City, Yeadon, Palmyra, Folcroft,
Swarthmore, East Lansdowne, Ben Franklin Bridge, Center City,
Kensington, and South Philadelphia.
This includes the following highways...
Interstate 95 in Pennsylvania between mile markers 9 and 33.
Interstate 76 in Pennsylvania between mile markers 342 and 351.
Interstate 76 in New Jersey near mile marker 3.
Interstate 295 in New Jersey near mile marker 40.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 1 and 4.
Interstate 476 in Pennsylvania between mile markers 5 and 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3994 7537 3997 7527 4006 7499 4006 7498
4005 7498 3996 7491 3994 7499 3990 7513
3985 7530
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
JEO696
WGUS71 KPHI 150223
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1023 PM EDT Mon Jun 14 2021
NJC005-007-PAC045-101-150415-
/O.CON.KPHI.FF.W.0010.000000T0000Z-210615T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-Camden NJ-Delaware PA-Philadelphia PA-
1023 PM EDT Mon Jun 14 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT TUESDAY
FOR WEST CENTRAL BURLINGTON, NORTHWESTERN CAMDEN, SOUTHEASTERN
DELAWARE, AND CENTRAL PHILADELPHIA COUNTIES...
At 1023 PM EDT, Doppler radar and automated rain gauges indicate
that thunderstorms produced between 2 and 3 inches of rain in the
warned area. While the heavy rain has ended, the flooding continues.
HAZARD...Life threatening flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets, and underpasses.
Some locations that are experiencing flash flooding include...
Philadelphia, Camden and surround communities.
This includes the following highways...
Interstate 95 in Pennsylvania between mile markers 9 and 33.
Interstate 76 in Pennsylvania between mile markers 342 and 351.
Interstate 76 in New Jersey near mile marker 3.
Interstate 295 in New Jersey near mile marker 40.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 1 and 4.
Interstate 476 in Pennsylvania between mile markers 5 and 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
&&
LAT...LON 3994 7537 3997 7527 4006 7499 4006 7498
4005 7498 3996 7491 3994 7499 3990 7513
3985 7530
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Iovino573
WGUS71 KPHI 150249
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1049 PM EDT Mon Jun 14 2021
NJC005-150259-
/O.CAN.KPHI.FF.W.0010.000000T0000Z-210615T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burlington NJ-
1049 PM EDT Mon Jun 14 2021
...FLASH FLOOD WARNING IS CANCELLED FOR WEST CENTRAL BURLINGTON
COUNTY...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
LAT...LON 3994 7537 3997 7527 4002 7510 3998 7507
3993 7504 3990 7513 3985 7530
$$
NJC007-PAC045-101-150415-
/O.CON.KPHI.FF.W.0010.000000T0000Z-210615T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Delaware PA-Philadelphia PA-
1049 PM EDT Mon Jun 14 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT TUESDAY
FOR NORTHWESTERN CAMDEN, SOUTHEASTERN DELAWARE, AND SOUTHWESTERN
PHILADELPHIA COUNTIES...
At 1049 PM EDT, Doppler radar and automated rain gauges indicate
that thunderstorms produced between 2 and 3 inches of rain in the
warned area. While the heavy rain has ended, flooding continues.
HAZARD...Life threatening flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets, and underpasses.
Some locations that are experiencing flooding include...
Philadelphia, Camden and surrounding communities.
This includes the following highways...
Interstate 95 in Pennsylvania between mile markers 9 and 26.
Interstate 76 in Pennsylvania between mile markers 342 and 351.
Interstate 76 in New Jersey near mile marker 3.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 676 in New Jersey between mile markers 1 and 4.
Interstate 476 in Pennsylvania between mile markers 5 and 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
&&
LAT...LON 3994 7537 3997 7527 4002 7510 3998 7507
3993 7504 3990 7513 3985 7530
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Iovino966
WGUS71 KPHI 150410
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1210 AM EDT Tue Jun 15 2021
NJC007-PAC045-101-150420-
/O.EXP.KPHI.FF.W.0010.000000T0000Z-210615T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden NJ-Delaware PA-Philadelphia PA-
1210 AM EDT Tue Jun 15 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM EDT EARLY THIS MORNING
FOR NORTHWESTERN CAMDEN, SOUTHEASTERN DELAWARE, AND SOUTHWESTERN
PHILADELPHIA COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3994 7537 3997 7527 4002 7510 3998 7507
3993 7504 3990 7513 3985 7530
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 52 min |
| Jun 14, 8:34 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 41 min |
| Jun 14, 8:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 50 min |
| Jun 14, 9:11 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 49 min |
| Jun 14, 9:12 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 74 min |
| Jun 14, 9:29 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 46 min |
| Jun 14, 9:54 PM EDT | Areal Flood Advisory | PHI | Monmouth | 97 min |
| Jun 14, 9:58 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 32 min |
| Jun 14, 10:01 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jun 14, 10:07 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 53 min |
| Jun 14, 10:51 PM EDT | Special Marine Warning | PHI | 114 min | |
| Jun 14, 11:07 PM EDT | Special Marine Warning | PHI | 113 min | |
| Jun 14, 11:21 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 39 min |
| Jun 14, 11:42 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester, Salem | 63 min |
| Jun 14, 11:47 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean, Salem | 118 min |
| Jun 15, 12:04 AM EDT | Special Marine Warning | PHI | 116 min | |
| Jun 15, 12:12 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Gloucester | 51 min |
| Jun 15, 1:00 AM EDT | Special Marine Warning | PHI | 88 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2021Flash Flood Warnings in New Jersey, 2021Every 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.