Alert archive / Pennsylvania / River Flood Warnings in 2018
River Flood Warning 56, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Nov 3, 2018, 5:00 AM EDT for Chester County, Delaware County, Pennsylvania. It took effect at Nov 3, 2018, 2:00 PM EDT. It was in force for .
The area
The outline as issued.
The facts
- Issued
- Nov 3, 2018, 5:00 AM EDT (09:00 UTC)
- In effect from
- Nov 3, 2018, 2:00 PM EDT
- Expired
- Nov 3, 2018, 11:02 AM EDT
- In force
- 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 09:03 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 8.70 ft at Nov 3, 2018, 1:00 PM 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.
729
WGUS41 KPHI 030900
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
500 AM EDT Sat Nov 3 2018
...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 Chester and Delaware Counties
...Forecast flooding changed from Minor to Moderate severity for the following
rivers in Pennsylvania...
East Branch Brandywine Creek Below Downingtown affecting Chester County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.
&&
PAC029-031500-
/O.EXT.KPHI.FL.W.0052.000000T0000Z-181103T2341Z/
/DWNP1.2.ER.181103T0605Z.181103T1000Z.181103T1741Z.NO/
500 AM EDT Sat Nov 3 2018
...Observed flooding increased from Minor to Moderate severity...
...Forecast flooding increased from Minor to Moderate severity...
The Flood Warning continues for
The East Branch Brandywine Creek Below Downingtown.
* Until this evening...Or until the warning is cancelled.
* At 4:45 AM Saturday the stage was 9.1 feet.
* Flood stage is 7.0 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 9.3 feet by this morning.
The river will fall below flood stage this afternoon.
* Impact...At 9.0 feet...High water on the Brandywine sends backwater up Beaver
Creek. Beaver Creek floods inundating parks and the Downingtown Little League
fields.
* Flood history...This crest compares to a previous crest of 9.3 feet on Apr 17
2011.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Downingtown 7.0 9.15 Sat 5 AM 9.3 Sat 6 AM
&&
LAT...LON 4002 7567 3993 7561 3991 7567 4001 7574
$$
PAC029-045-031500-
/O.NEW.KPHI.FL.W.0056.181103T1800Z-181104T0000Z/
/CDFP1.1.ER.181103T1800Z.181103T1800Z.181103T1800Z.NO/
500 AM EDT Sat Nov 3 2018
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for
The Brandywine Creek at Chadds Ford.
* From this afternoon to this evening...Or until the warning is cancelled.
* At 4:30 AM Saturday the stage was 5.8 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to near flood stage this afternoon.
* Impact...At 10.0 feet...The intersections of Creek Road and Route 926 near
Pocopson floods upstream of Chadds Ford.
* Flood history...This crest compares to a previous crest of 9.2 feet on Sep 28
2018.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Chadds Ford 9.0 5.85 Sat 4 AM 9.0 Sat 2 PM
&&
LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567
$$1 follow-up statement
627
WGUS81 KPHI 031502
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1102 AM EDT Sat Nov 3 2018
...The Flood Warning is cancelled for the following rivers in Pennsylvania...
Brandywine Creek At Chadds Ford affecting Chester and Delaware Counties
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.
&&
PAC029-045-031532-
/O.CAN.KPHI.FL.W.0056.000000T0000Z-181104T0000Z/
/CDFP1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1102 AM EDT Sat Nov 3 2018
The Flood Warning is cancelled for
The Brandywine Creek at Chadds Ford.
* At 10:30 AM Saturday the stage was 8.6 feet.
* Flood stage is 9.0 feet.
* Forecast...The river will crest below flood stage at 8.9 feet this afternoon.
* Impact...At 8.0 feet...Open adjacent land next to the creek floods.
* Flood history...This crest compares to a previous crest of 9.2 feet on Sep 28
2018.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Brandywine Creek
Chadds Ford 9.0 8.65 Sat 10 AM 8.9 Sat 2 PM
&&
LAT...LON 3993 7561 3982 7553 3979 7560 3991 7567
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 2, 8:22 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 4 hr |
| Nov 2, 9:28 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 4 hr |
| Nov 2, 9:48 PM EDT | Special Weather Statement | PHI | Berks, Chester | 27 min |
| Nov 2, 10:09 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 51 min |
| Nov 2, 10:32 PM EDT | Tornado Warning | PHI | Berks, Chester, Montgomery | 28 min |
| Nov 2, 10:36 PM EDT | Special Weather Statement | PHI | Northampton | 24 min |
| Nov 2, 10:45 PM EDT | Areal Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 13 hr |
| Nov 2, 10:47 PM EDT | Tornado Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 43 min |
| Nov 2, 10:53 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 4 hr |
| Nov 2, 10:53 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 67 min |
| Nov 2, 11:23 PM EDT | Tornado Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 24 min |
| Nov 2, 11:25 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Nov 2, 11:49 PM EDT | Tornado Warning | PHI | Bucks | 26 min |
| Nov 2, 11:53 PM EDT | Areal Flood Advisory | PHI | Bucks | 4 hr |
| Nov 2, 11:53 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 37 min |
| Nov 3, 12:20 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Nov 3, 1:03 AM EDT | River Flood Warning | PHI | Lehigh | 5 hr |
| Nov 3, 1:29 AM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 4 hr |
| Nov 3, 1:41 AM EDT | Areal Flood Advisory | PHI | Bucks | 4 hr |
| Nov 3, 2:03 AM EDT | River Flood Warning | PHI | Chester | 6 hr |
| Nov 3, 2:34 AM EDT | Areal Flood Warning | PHI | Bucks, Northampton | 15 hr |
| Nov 3, 2:40 AM EDT | River Flood Warning | PHI | Montgomery | 10 hr |
| Nov 3, 2:40 AM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 15 hr |
| Nov 3, 3:21 AM EDT | Areal Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Nov 3, 7:01 AM EDT | Areal Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 5 hr |
| Nov 3, 11:44 AM EDT | Areal Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 8 hr |
| Nov 3, 5:19 PM EDT | Areal Flood Warning | PHI | Northampton | 22 hr |
Nearby
River Flood Warnings in Pennsylvania, 2018Every river flood warning in 2018
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.