Alert archive / Pennsylvania / River Flood Warnings in 2020
River Flood Warning 20, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Aug 4, 2020, 12:48 PM EDT for Chester County, Delaware County, Pennsylvania. It took effect at Aug 4, 2020, 5:00 PM EDT. It was in force for 20 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2020, 12:48 PM EDT (16:48 UTC)
- In effect from
- Aug 4, 2020, 5:00 PM EDT
- Expired
- Aug 5, 2020, 1:00 PM EDT
- In force
- 20 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Moderate
Counties Chester County, PA, Delaware County, PA
The river
Written for the forecast point Brandywine Creek at Chadds Ford (CDFP1). The gauge peaked at 14.31 ft at Aug 5, 2020, 12:00 AM EDT.
- Action stage
- 8 ft
- Minor stage
- 9 ft
- Moderate stage
- 11 ft
- Major stage
- 13 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01481000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
400
WGUS41 KPHI 041648
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
1248 PM EDT Tue Aug 4 2020
...The National Weather Service in Mount Holly NJ has issued a flood
warning for the following rivers in Pennsylvania...Delaware...
Brandywine Creek At Chadds Ford affecting Chester and Delaware Counties
Brandywine Creek At Wilmington affecting New Castle County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The
water may be deeper than you think.
&&
PAC029-045-042247-
/O.NEW.KPHI.FL.W.0020.200804T2100Z-200805T1626Z/
/CDFP1.2.ER.200804T2100Z.200805T0600Z.200805T1026Z.NO/
1248 PM EDT Tue Aug 4 2020
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for
The Brandywine Creek at Chadds Ford.
* From this afternoon to Wednesday afternoon...or until the warning is
cancelled.
* At 10:30 AM Tuesday the stage was 3.1 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is forecast.
* Forecast...Rise above flood stage by late this afternoon and continue
to rise to near 11.0 feet after midnight tonight. The river will fall
below flood stage by tomorrow morning.
* Impact...At 11.8 feet...Brandywine River Museum begins to take on water.
Route 1 also takes on water.
* Flood history...This crest compares to a previous crest of 11.1 feet on
Feb 7 2004.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Chadds Ford 9.0 3.12 Tue 10 AM 11.0 Wed 2 AM
&&
LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567
$$
DEC003-042247-
/O.NEW.KPHI.FL.W.0021.200805T0500Z-200805T1312Z/
/WMND1.1.ER.200805T0500Z.200805T0600Z.200805T0712Z.UU/
1248 PM EDT Tue Aug 4 2020
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for
The Brandywine Creek at Wilmington.
* From late tonight to Wednesday morning...or until the warning is cancelled.
* At 12:01 PM Tuesday the stage was 14.3 feet.
* Flood stage is 16.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage this evening and continue to rise to near
16.6 feet late tonight. The river will fall below flood stage by early
tomorrow.
* Impact...At 16.5 feet...North Park Drive, west of North Market Street, in
Brandywine State Park is subject to flooding and closures.
* Flood history...This crest compares to a previous crest of 16.6 feet on
Aug 14 2018.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Wilmington 16.5 14.26 Tue 12 PM 16.6 Wed 2 AM
&&
LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560
$$
Kruzdlo5 follow-up statements
987
WGUS81 KPHI 042225
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
625 PM EDT Tue Aug 4 2020
...The Flood Warning continues for the following rivers in Pennsylvania...
Delaware...
Brandywine Creek At Chadds Ford affecting Chester and Delaware Counties
Brandywine Creek At Wilmington affecting New Castle County
Neshaminy Creek At Langhorne affecting Bucks County
Schuylkill River At Pottstown affecting Montgomery County
Schuylkill River At Philadelphia affecting Montgomery and Philadelphia Counties
...The Flood Warning continues for the following rivers in Pennsylvania...
Schuylkill River At Reading affecting Berks County
Schuylkill River At Norristown affecting Chester...Montgomery and Philadelphia
Counties
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.
&&
PAC029-045-050825-
/O.EXT.KPHI.FL.W.0020.000000T0000Z-200805T1500Z/
/CDFP1.2.ER.200804T1713Z.200805T0600Z.200805T0900Z.NO/
625 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Brandywine Creek at Chadds Ford.
* At 5:30 PM Tuesday the stage was 10.0 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 11.5 feet by after midnight
tonight. The river will fall below flood stage early tomorrow.
* Impact...At 11.8 feet...Brandywine River Museum begins to take on water. Route
1 also takes on water.
* Flood history...This crest compares to a previous crest of 11.4 feet on Aug 14
2018.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Chadds Ford 9.0 10.03 Tue 5 PM 11.5 Wed 2 AM
&&
LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567
$$
DEC003-050825-
/O.EXT.KPHI.FL.W.0021.200804T2300Z-200805T1240Z/
/WMND1.1.ER.200804T2300Z.200805T0300Z.200805T0640Z.UU/
625 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Brandywine Creek at Wilmington.
* until Wednesday morning...or until the warning is cancelled.
* At 6:15 PM Tuesday the stage was 15.5 feet.
* Flood stage is 16.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by this evening and continue to rise to near
16.8 feet by tonight.The river will fall below flood stage by after midnight
tonight.
* Impact...At 17.0 feet...Some flooding begins in the historic Breck's Mill area
in Montchanin.
* Flood history...This crest compares to a previous crest of 16.7 feet on Sep 8
2011.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Wilmington 16.5 15.47 Tue 6 PM 16.8 Tue 11 PM
&&
LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560
$$
PAC011-050825-
/O.CON.KPHI.FL.W.0023.200805T0600Z-200805T1200Z/
/RDRP1.1.ER.200805T0600Z.200805T0600Z.200805T0600Z.NO/
625 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Schuylkill River at Reading.
* from late tonight to Wednesday morning...or until the warning is cancelled.
* At 6:01 PM Tuesday the stage was 8.2 feet.
* Flood stage is 15.5 feet.
* Forecast...The river is expected to rise to near flood stage after midnight
tonight.
* Impact...At 15.5 feet...Flooding begins in Reading. Portions of Water and
Canal Streets are flooded.
* Flood history...This crest compares to a previous crest of 15.8 feet on Oct 20
1996.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Schuylkill River
Reading 15.5 8.17 Tue 6 PM 15.5 Wed 2 AM
&&
LAT...LON 4031 7599 4036 7591 4030 7580 4026 7562
4020 7569 4024 7584
$$
PAC091-050825-
/O.EXT.KPHI.FL.W.0024.200804T2224Z-200806T0200Z/
/PTNP1.1.ER.200804T1902Z.200805T0000Z.200805T2000Z.NO/
625 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Schuylkill River at Pottstown.
* until Wednesday evening...or until the warning is cancelled.
* At 6:01 PM Tuesday the stage was 13.5 feet.
* Flood stage is 12.5 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 15.6 feet by this evening.
The river will fall below flood stage tomorrow afternoon.
* Flood history...This crest compares to a previous crest of 16.3 feet on Oct 8
2005.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Schuylkill River
Pottstown 12.5 13.49 Tue 6 PM 15.6 Tue 8 PM
&&
LAT...LON 4020 7569 4026 7562 4013 7535 4006 7542
$$
PAC029-091-101-050825-
/O.CON.KPHI.FL.W.0025.000000T0000Z-200806T0800Z/
/NRSP1.3.ER.200804T1538Z.200805T0600Z.200806T0200Z.NO/
625 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Schuylkill River at Norristown.
* At 5:30 PM Tuesday the stage was 18.1 feet.
* Flood stage is 13.0 feet.
* Moderate flooding is occurring and Major flooding is forecast.
* Forecast...The river will continue rising to near 20.5 feet by after midnight
tonight. The river will fall below flood stage late tomorrow evening.
* Impact...At 21.0 feet...Abrams Road is closed in Upper Merion from Hamlet
Circle to the Abrams Yard driveway.
* Flood history...This crest compares to a previous crest of 20.8 feet on May 1
2014.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Schuylkill River
Norristown 13.0 18.15 Tue 5 PM 20.5 Wed 2 AM
&&
LAT...LON 4006 7542 4013 7535 4002 7517 3998 7525
$$
PAC091-101-050825-
/O.EXT.KPHI.FL.W.0026.000000T0000Z-200806T0100Z/
/PADP1.2.ER.200804T1733Z.200805T0600Z.200805T1900Z.NO/
625 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Schuylkill River at Philadelphia.
* At 5:00 PM Tuesday the stage was 12.2 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 15.4 feet by after midnight
tonight. The river will fall below flood stage tomorrow afternoon.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Schuylkill River
Philadelphia 11.0 12.16 Tue 5 PM 15.4 Wed 2 AM
&&
LAT...LON 3998 7525 4002 7517 3988 7517 3985 7525
$$
PAC017-050825-
/O.EXT.KPHI.FL.W.0022.000000T0000Z-200805T1100Z/
/LNGP1.2.ER.200804T2010Z.200805T0000Z.200805T0500Z.NO/
625 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Neshaminy Creek at Langhorne.
* At 5:15 PM Tuesday the stage was 9.8 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 12.0 feet by this evening.
The river will fall below flood stage after midnight tonight.
* Impact...At 12.0 feet...Widespread flooding occurs on Bridle Drive in
Middletown Township. The road becomes impassable.
* Flood history...This crest compares to a previous crest of 11.9 feet on Nov 25
2018.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Neshaminy Creek
Langhorne 9.0 9.83 Tue 5 PM 12.0 Tue 8 PM
&&
LAT...LON 4019 7498 4020 7491 4008 7486 4006 7493
$$423
WGUS41 KPHI 050123
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
923 PM EDT Tue Aug 4 2020
...Forecast flooding changed from Moderate to Major severity for the following
rivers in Pennsylvania...Delaware...
Brandywine Creek At Chadds Ford affecting Chester and Delaware Counties
Brandywine Creek At Wilmington affecting New Castle County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.
&&
PAC029-045-050723-
/O.EXT.KPHI.FL.W.0020.000000T0000Z-200805T1700Z/
/CDFP1.3.ER.200804T1713Z.200805T0300Z.200805T1100Z.NO/
923 PM EDT Tue Aug 4 2020
...Forecast flooding increased from Moderate to Major severity...
The Flood Warning continues for
The Brandywine Creek At Chadds Ford.
* until Wednesday afternoon...Or until the warning is cancelled.
* At 8:30 PM Tuesday the stage was 12.4 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and Major flooding is forecast.
* Forecast...The river will continue rising to near 13.2 feet by tonight. The
river will fall below flood stage tomorrow morning.
* Impact...At 13.0 feet...Residential evacuations begin at this stage. Route 1
and Route 100 are closed. Fairville Road is also closed.
* Flood history...This crest compares to a previous crest of 13.3 feet on Oct 19
1996.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Chadds Ford 9.0 12.43 Tue 8 PM 13.2 Tue 11 PM
&&
LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567
$$
DEC003-050723-
/O.EXT.KPHI.FL.W.0021.000000T0000Z-200805T1600Z/
/WMND1.1.ER.200805T0331Z.200805T0600Z.200805T1000Z.UU/
923 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Brandywine Creek At Wilmington.
* until Wednesday afternoon...Or until the warning is cancelled.
* At 9:15 PM Tuesday the stage was 16.0 feet.
* Flood stage is 16.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by tonight and continue to rise to near 17.0
feet by after midnight tonight.the river will fall below flood stage by
tomorrow morning.
* Impact...At 17.0 feet...Some flooding begins in the historic Breck's Mill area
in Montchanin.
* Flood history...This crest compares to a previous crest of 16.9 feet on Oct 1
2010.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Wilmington 16.5 16.04 Tue 9 PM 17.0 Wed 2 AM
&&
LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560
$$323
WGUS81 KPHI 050323
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1123 PM EDT Tue Aug 4 2020
...The Flood Warning continues for the Brandywine Creek...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think it is.
&&
PAC029-045-051322-
/O.CON.KPHI.FL.W.0020.000000T0000Z-200805T1700Z/
/CDFP1.3.ER.200804T1713Z.200805T0230Z.200805T1100Z.NO/
1123 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Brandywine Creek at Chadds Ford.
* At 10:30 PM Tuesday, the creek level was 14.1 feet.
* Flood stage is 9.0 feet.
* Major flooding is occurring and is forecast to continue.
* Forecast...The creek level should fall back below flood stage on Wednesday
morning.
* Impact...At 14.0 feet, businesses along Route 1 and Creek Road take on water.
* Flood history...This crest compares to a previous crest of 14.2 feet on Jan 20,
1996.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Chadds Ford 9.0 14.14 Tue 10 PM 13.1 Wed 2 AM
&&
LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567
$$
DEC003-051322-
/O.CON.KPHI.FL.W.0021.000000T0000Z-200805T1600Z/
/WMND1.1.ER.200805T0241Z.200805T0600Z.200805T1000Z.UU/
1123 PM EDT Tue Aug 4 2020
The Flood Warning continues for
The Brandywine Creek at Wilmington.
* At 11:15 PM Tuesday, the creek level was 16.8 feet.
* Flood stage is 16.5 feet.
* Minor flooding is occurring and is forecast to continue.
* Forecast...The creek level will continue rising to near 17.0 feet overnight.
It should fall back below flood stage on Wednesday morning.
* Impact...At 17.0 feet, some flooding begins in the historic Breck's Mill area
in Montchanin.
* Flood history...This crest compares to a previous crest of 16.9 feet on Oct 1,
2010.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Wilmington 16.5 16.81 Tue 11 PM 17.0 Wed 2 AM
&&
LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560
$$
Iovino943
WGUS81 KPHI 050429
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1229 AM EDT Wed Aug 5 2020
...The Flood Warning continues for the Brandywine Creek...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think it is.
&&
PAC029-045-051429-
/O.CON.KPHI.FL.W.0020.000000T0000Z-200805T1700Z/
/CDFP1.3.ER.200804T1713Z.200805T0600Z.200805T1100Z.NO/
1229 AM EDT Wed Aug 5 2020
The Flood Warning continues for
The Brandywine Creek at Chadds Ford.
* At 11:30 PM Tuesday, the creek level was 14.3 feet.
* Flood stage is 9.0 feet.
* Major flooding is occurring.
* Forecast...The creek will continue rising to near 14.4 feet overnight. The
creek will fall back below flood stage on Wednesday morning.
* Impact...At 14.0 feet, businesses along Route 1 and Creek Road take on water.
* Flood history...This crest compares to a previous crest of 14.2 feet on Jan 20,
1996.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Chadds Ford 9.0 14.32 Tue 11 PM 14.4 Wed 2 AM
&&
LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567
$$
DEC003-051429-
/O.EXT.KPHI.FL.W.0021.000000T0000Z-200805T1700Z/
/WMND1.2.ER.200805T0241Z.200805T0600Z.200805T1100Z.UU/
1229 AM EDT Wed Aug 5 2020
The Flood Warning continues for
The Brandywine Creek at Wilmington.
* At 12:15 AM Wednesday, the creek level was 17.5 feet.
* Flood stage is 16.5 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Forecast...The creek will continue rising to near 18.2 feet overnight. The creek
level will fall back below flood stage on Wednesday.
* Impact...At 18.0 feet, Ramsey Road is subject to closures between Delaware 92
and Beaver Dam Road as the Brandywine backs up into Ramsey Run.
* Flood history...This crest compares to a previous crest of 17.3 feet on Mar 11,
2011.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Wilmington 16.5 17.51 Wed 12 AM 18.2 Wed 2 AM
&&
LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560
$$
Iovino100
WGUS81 KPHI 051725
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
125 PM EDT Wed Aug 5 2020
...The Flood Warning has expired for the following rivers in
Pennsylvania...Delaware...
Brandywine Creek Chadds Ford affecting Chester and Delaware
Counties
Brandywine Creek Wilmington affecting New Castle County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think.
&&
PAC029-045-051755-
/O.EXP.KPHI.FL.W.0020.000000T0000Z-200805T1700Z/
/CDFP1.N.ER.200804T1713Z.000000T0000Z.000000T0000Z.NO/
125 PM EDT Wed Aug 5 2020
The Flood Warning has expired for
The Brandywine Creek at Chadds Ford.
* At 12:30 PM Wednesday the stage was 5.0 feet.
* Flood stage is 9.0 feet.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Chadds Ford 9.0 5.02 Wed 12 PM Below flood stage
&&
LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567
$$
DEC003-051755-
/O.EXP.KPHI.FL.W.0021.000000T0000Z-200805T1700Z/
/WMND1.N.ER.200805T0241Z.000000T0000Z.000000T0000Z.UU/
125 PM EDT Wed Aug 5 2020
The Flood Warning has expired for
The Brandywine Creek at Wilmington.
* At 1:15 PM Wednesday the stage was 14.3 feet.
* Flood stage is 16.5 feet.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Wilmington 16.5 14.32 Wed 1 PM Below flood stage
&&
LAT...LON 3982 7553 3975 7549 3969 7552 3979 7560
$$
KruzdloThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 5:17 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Aug 4, 7:23 AM EDT | Tornado Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 20 min |
| Aug 4, 7:28 AM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 3 hr |
| Aug 4, 8:11 AM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Montgomery, Northampton | 4 hr |
| Aug 4, 8:19 AM EDT | River Flood Warning | PHI | Delaware | 15 hr |
| Aug 4, 8:19 AM EDT | Tornado Warning | PHI | Bucks | 26 min |
| Aug 4, 9:23 AM EDT | Tornado Warning | PHI | Chester | 22 min |
| Aug 4, 9:29 AM EDT | Tornado Warning | PHI | Monroe, Northampton | 31 min |
| Aug 4, 9:38 AM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 4 hr |
| Aug 4, 9:58 AM EDT | Tornado Warning | PHI | Monroe | 16 min |
| Aug 4, 10:02 AM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Aug 4, 10:20 AM EDT | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Aug 4, 10:51 AM EDT | Tornado Warning | PHI | Montgomery | 24 min |
| Aug 4, 11:01 AM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Aug 4, 11:13 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Aug 4, 11:43 AM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 4 hr |
| Aug 4, 12:06 PM EDT | River Flood Warning | PHI | Chester | 11 hr |
| Aug 4, 12:37 PM EDT | River Flood Warning | PHI | Montgomery | 14 hr |
| Aug 4, 1:01 PM EDT | River Flood Warning | PHI | Bucks | 18 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Berks | 10 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Montgomery | 26 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 43 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 35 hr |
| Aug 4, 1:59 PM EDT | Areal Flood Warning | PHI | Chester, Delaware | 9 hr |
| Aug 4, 2:09 PM EDT | Areal Flood Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 15 hr |
| Aug 4, 2:23 PM EDT | River Flood Warning | PHI | Lehigh | 16 hr |
| Aug 4, 2:47 PM EDT | Areal Flood Warning | PHI | Bucks | 9 hr |
| Aug 4, 3:42 PM EDT | Areal Flood Warning | PHI | Lehigh, Northampton | 4 hr |
| Aug 4, 4:39 PM EDT | River Flood Warning | PHI | Monroe | 6 hr |
| Aug 4, 7:29 PM EDT | Areal Flood Warning | PHI | Lehigh, Northampton | 12 hr |
Nearby
River Flood Warnings in Pennsylvania, 2020Every river 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; the gauge from the NWS water service and the USGS.