Alert archive / Pennsylvania / River Flood Warnings in 2023

River Flood Warning 17, NWS Philadelphia/Mount Holly

June 27, 2023Chester County, Delaware County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 27, 2023, 3:54 AM EDT for Chester County, Delaware County, Pennsylvania. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jun 27, 2023, 3:54 AM EDT (07:54 UTC)
Expired: Jun 27, 2023, 9:00 AM EDT
In force: 5 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

Counties Chester County, PA, Delaware County, PA

The radar

The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 07:53 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.

The river

Written for the forecast point Brandywine Creek at Chadds Ford (CDFP1). The gauge peaked at 8.56 ft at Jun 27, 2023, 11:00 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.

317 
WGUS41 KPHI 270754
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
354 AM EDT Tue Jun 27 2023

...The National Weather Service in Mount Holly NJ has issued a Flood 
Warning for the following rivers in Pennsylvania...

  Brandywine Creek At Chadds Ford affecting Delaware and Chester 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued this morning by 900 AM EDT.

&&


PAC029-045-271300-
/O.NEW.KPHI.FL.W.0017.230627T0754Z-230627T1300Z/
/CDFP1.1.ER.230627T1137Z.230627T1200Z.230627T1317Z.NO/
354 AM EDT Tue Jun 27 2023

...FLOOD WARNING IN EFFECT FROM EARLY THIS MORNING TO LATE THIS 
MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Brandywine Creek At Chadds Ford.

* WHEN...From early this morning to late this morning.

* IMPACTS...At 8.0 feet, Open adjacent land next to the creek floods.
  At 10.0 feet, The intersections of Creek Road and Route 926 near 
  Pocopson floods upstream of Chadds Ford.

* ADDITIONAL DETAILS...
  - At 3:30 AM EDT Tuesday the stage was 5.7 feet.
  - Forecast...The river is expected to rise above flood stage
    this morning to a crest of 9.3 feet this morning. It will
    then fall below flood stage late this morning.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    9.2 feet on 04/02/1998.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Brandywine Creek
Chadds Ford     9.0   5.7  Tue 3 am   5.7  3.2        9.3 8am 6/27


&&

LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567


$$

Staarmann

2 follow-up statements

261 
WGUS81 KPHI 271054
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
654 AM EDT Tue Jun 27 2023

...The Flood Warning continues for the following rivers in 
Pennsylvania...

  Brandywine Creek At Chadds Ford affecting Delaware and Chester 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued this morning by 900 AM EDT.

&&


PAC029-045-271300-
/O.CON.KPHI.FL.W.0017.000000T0000Z-230627T1300Z/
/CDFP1.1.ER.230627T1325Z.230627T1345Z.230627T1457Z.NO/
654 AM EDT Tue Jun 27 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE THIS MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Brandywine Creek At Chadds Ford.

* WHEN...Until late this morning.

* IMPACTS...At 8.0 feet, Open adjacent land next to the creek floods.
  At 10.0 feet, The intersections of Creek Road and Route 926 near 
  Pocopson floods upstream of Chadds Ford.

* ADDITIONAL DETAILS...
  - At 6:30 AM EDT Tuesday the stage was 8.0 feet.
  - Forecast...The river is expected to rise above flood stage
    late this morning to a crest of 9.2 feet late this morning.
    It will then fall below flood stage late this morning.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    9.2 feet on 04/02/1998.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Brandywine Creek
Chadds Ford     9.0   8.0  Tue 6 am   6.0  3.1        9.2 9am 6/27


&&

LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567


$$

Staarmann

878 
WGUS81 KPHI 271257
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
857 AM EDT Tue Jun 27 2023

...The Flood Warning continues for the following rivers in 
Pennsylvania...

  Brandywine Creek At Chadds Ford affecting Chester and Delaware 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued this morning by 1000 AM EDT.

&&


PAC029-045-271400-
/O.CON.KPHI.FL.W.0017.000000T0000Z-230627T1300Z/
/CDFP1.1.ER.230627T1328Z.230627T1345Z.230627T1635Z.NO/
857 AM EDT Tue Jun 27 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE THIS MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Brandywine Creek At Chadds Ford.

* WHEN...Until late this morning.

* IMPACTS...At 8.0 feet, Open adjacent land next to the creek floods.
  At 10.0 feet, The intersections of Creek Road and Route 926 near 
  Pocopson floods upstream of Chadds Ford.

* ADDITIONAL DETAILS...
  - At 8:30 AM EDT Tuesday the stage was 8.3 feet.
  - Forecast...The river is expected to rise above flood stage
    late this morning to a crest of 9.2 feet. It will then fall
    below flood stage this afternoon.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    9.2 feet on 04/02/1998.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Brandywine Creek
Chadds Ford     9.0   8.3  Tue 8 am   6.1  3.1        9.2 9am 6/27


&&

LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567


$$

Kruzdlo

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 8:27 PM EDT	Special Weather Statement	PHI	Chester	33 min
Jun 26, 8:33 PM EDT	Special Weather Statement	PHI	Philadelphia	27 min
Jun 26, 8:36 PM EDT	Special Weather Statement	PHI	Bucks	24 min
Jun 26, 8:40 PM EDT	Severe Thunderstorm Warning	PHI	Chester	31 min
Jun 26, 8:42 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	48 min
Jun 26, 9:18 PM EDT	Severe Thunderstorm Warning	PHI	Berks	42 min
Jun 26, 9:30 PM EDT	Flash Flood Warning	PHI	Monroe, Northampton	3 hr
Jun 26, 9:47 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Montgomery	43 min
Jun 26, 9:51 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Philadelphia	54 min
Jun 26, 9:58 PM EDT	Severe Thunderstorm Warning	PHI	Chester	47 min
Jun 26, 10:33 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	42 min
Jun 26, 10:54 PM EDT	Areal Flood Advisory	PHI	Berks, Chester, Delaware, Montgomery, Philadelphia	3 hr
Jun 26, 11:07 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Philadelphia	53 min
Jun 26, 11:27 PM EDT	Areal Flood Advisory	PHI	Bucks, Montgomery, Philadelphia	3 hr
Jun 26, 11:35 PM EDT	Flash Flood Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	6 hr
Jun 27, 12:00 AM EDT	Areal Flood Warning	PHI	Bucks, Lehigh, Monroe, Northampton	7 hr
Jun 27, 12:51 AM EDT	Flash Flood Warning	PHI	Chester, Montgomery	4 hr
Jun 27, 1:23 AM EDT	Special Weather Statement	PHI	Montgomery	37 min
Jun 27, 2:23 AM EDT	River Flood Warning	PHI	Chester	6 hr
Jun 27, 2:29 AM EDT	Special Weather Statement	PHI	Delaware	31 min
Jun 27, 3:01 AM EDT	Special Weather Statement	PHI	Delaware, Montgomery, Philadelphia	29 min
Jun 27, 3:02 AM EDT	Flood Watch	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	46 min
Jun 27, 3:26 AM EDT	River Flood Warning	PHI	Delaware	4 hr
Jun 27, 3:48 AM EDT	Flood Watch	PHI	Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more	17 hr
Jun 27, 6:14 AM EDT	Areal Flood Warning	PHI	Montgomery, Philadelphia	3 hr
Jun 27, 6:16 AM EDT	Areal Flood Warning	PHI	Chester, Delaware	3 hr
Jun 27, 10:08 AM EDT	River Flood Warning	PHI	Chester, Delaware	109 min
Jun 27, 12:45 PM EDT	Special Weather Statement	PHI	Berks	30 min
Jun 27, 2:13 PM EDT	Severe Thunderstorm Warning	PHI	Chester	47 min
Jun 27, 2:18 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	22 min
Jun 27, 2:21 PM EDT	Special Weather Statement	PHI	Berks	24 min
Jun 27, 2:42 PM EDT	Areal Flood Advisory	PHI	Berks	3 hr
Jun 27, 2:57 PM EDT	Areal Flood Advisory	PHI	Chester	3 hr
Jun 27, 3:07 PM EDT	Severe Thunderstorm Warning	PHI	Berks	38 min
Jun 27, 3:25 PM EDT	Severe Thunderstorm Warning	PHI	Chester	19 min
Jun 27, 3:33 PM EDT	Special Weather Statement	PHI	Delaware	27 min
Jun 27, 3:57 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	48 min
Jun 27, 4:06 PM EDT	Special Weather Statement	PHI	Northampton	24 min
Jun 27, 4:24 PM EDT	Areal Flood Advisory	PHI	Northampton	3 hr
Jun 27, 4:30 PM EDT	Severe Thunderstorm Warning	PHI	Montgomery, Philadelphia	32 min
Jun 27, 4:33 PM EDT	Severe Thunderstorm Warning	PHI	Monroe, Northampton	42 min
Jun 27, 4:39 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Philadelphia	51 min
Jun 27, 4:58 PM EDT	Areal Flood Advisory	PHI	Bucks, Montgomery, Philadelphia	3 hr
Jun 27, 5:01 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	44 min
Jun 27, 5:22 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Philadelphia	38 min
Jun 27, 5:43 PM EDT	Special Weather Statement	PHI	Monroe, Northampton	32 min
Jun 27, 5:44 PM EDT	Flash Flood Warning	PHI	Bucks, Montgomery, Philadelphia	5 hr
Jun 27, 5:52 PM EDT	Areal Flood Advisory	PHI	Northampton	3 hr
Jun 27, 5:57 PM EDT	Areal Flood Advisory	PHI	Bucks, Delaware, Philadelphia	3 hr
Jun 27, 6:15 PM EDT	Special Weather Statement	PHI	Northampton	45 min

Nearby

River Flood Warnings in Pennsylvania, 2023 Every river flood warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.