Alert archive / Pennsylvania / River Flood Warnings in 2020
River Flood Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Jan 25, 2020, 11:52 AM EST for Delaware County, Pennsylvania. It took effect at Jan 25, 2020, 12:18 PM EST. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 25, 2020, 11:52 AM EST (16:52 UTC)
- In effect from
- Jan 25, 2020, 12:18 PM EST
- Expired
- Jan 25, 2020, 3:45 PM EST
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
County Delaware County, PA
The radar
The Philadelphia radar (KDIX), 86 km from the middle of the area, began a volume at 16:53 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 Chester Creek near Chester (CHSP1). The gauge peaked at 9.52 ft at Jan 25, 2020, 1:00 PM EST.
- Action stage
- 7 ft
- Minor stage
- 8 ft
- Moderate stage
- 10 ft
- Major stage
- 14 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01477000, 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.
642
WGUS41 KPHI 251652
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
1152 AM EST Sat Jan 25 2020
...The National Weather Service in Mount Holly NJ has issued a flood warning for
the following rivers in Pennsylvania...
Chester Creek Near Chester affecting Delaware County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.
&&
PAC045-252251-
/O.NEW.KPHI.FL.W.0003.200125T1718Z-200126T0015Z/
/CHSP1.1.ER.200125T1718Z.200125T1800Z.200125T1815Z.NO/
1152 AM EST Sat Jan 25 2020
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for
The Chester Creek at Chester.
* until this evening...Or until the warning is cancelled.
* At 11:46 AM Saturday the stage was 7.8 feet.
* Flood stage is 8.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by this afternoon and continue to rise to
near 8.2 feet by this afternoon.the river will fall below flood stage by this
afternoon.
* Impact...At 7.0 feet...The creek floods adjacent open land.
* Flood history...This crest compares to a previous crest of 8.1 feet on Sep 15
2003.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Chester Creek
Chester 8.0 7.78 Sat 12 PM 8.2 Sat 1 PM
&&
LAT...LON 3991 7542 3985 7534 3981 7540 3987 7547
$$2 follow-up statements
259
WGUS81 KPHI 251746
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1246 PM EST Sat Jan 25 2020
...The Flood Warning continues for the following rivers in Pennsylvania...
Chester Creek Near Chester affecting Delaware County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.
&&
PAC045-260215-
/O.EXT.KPHI.FL.W.0003.000000T0000Z-200126T0215Z/
/CHSP1.1.ER.200125T1651Z.200125T1800Z.200125T2015Z.NO/
1246 PM EST Sat Jan 25 2020
The Flood Warning continues for
The Chester Creek at Chester.
* At 12:31 PM Saturday the stage was 9.1 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 9.5 feet by this afternoon.
The river will fall below flood stage late this afternoon.
* Impact...At 10.5 feet...Flood damage, adjacent to the creek, begins in the
city of Chester.
* Flood history...This crest compares to a previous crest of 9.5 feet on Mar 13
2010.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Chester Creek
Chester 8.0 9.10 Sat 1 PM 9.5 Sat 1 PM
&&
LAT...LON 3991 7542 3985 7534 3981 7540 3987 7547
$$023
WGUS81 KPHI 252045
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
345 PM EST Sat Jan 25 2020
...The Flood Warning is cancelled for the following rivers in Pennsylvania...
Chester Creek Near Chester affecting Delaware County
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.
&&
PAC045-252115-
/O.CAN.KPHI.FL.W.0003.000000T0000Z-200126T0215Z/
/CHSP1.1.ER.200125T1651Z.200125T1816Z.200125T2017Z.NO/
345 PM EST Sat Jan 25 2020
The Flood Warning is cancelled for
The Chester Creek at Chester.
* At 3:30 PM Saturday the stage was 7.9 feet.
* Flood stage is 8.0 feet.
* Fell below flood stage at 3:17 PM Saturday.
* Forecast...The river will continue to fall to 3.1 feet by tomorrow morning.
* Impact...At 7.0 feet...The creek floods adjacent open land.
* Flood history...This crest compares to a previous crest of 8.1 feet on Mar 11
2011.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
Chester Creek
Chester 8.0 7.91 Sat 3 PM Crested
&&
LAT...LON 3991 7542 3985 7534 3981 7540 3987 7547
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 25, 10:32 AM EST | Areal Flood Warning | PHI | Chester, Delaware | 4 hr |
| Jan 25, 11:34 AM EST | River Flood Warning | PHI | Chester | 7 hr |
| Jan 25, 11:52 AM EST | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery | 3 hr |
| Jan 25, 11:55 AM EST | Areal Flood Warning | PHI | Chester, Lehigh, Montgomery, Philadelphia | 3 hr |
| Jan 25, 12:02 PM EST | Areal Flood Warning | PHI | Chester, Delaware, Philadelphia | 3 hr |
| Jan 25, 12:57 PM EST | Areal Flood Warning | PHI | Chester | 5 hr |
| Jan 25, 2:59 PM EST | Areal Flood Warning | PHI | Chester, Delaware, Philadelphia | 3 hr |
| Jan 25, 3:00 PM EST | Areal Flood Warning | PHI | Chester, Lehigh, Montgomery, Philadelphia | 4 hr |
| Jan 25, 3:00 PM EST | Areal Flood Warning | PHI | Chester, Delaware | 2 hr |
| Jan 25, 4:05 PM EST | Areal Flood Warning | PHI | Montgomery, Philadelphia | 6 hr |
| Jan 25, 6:28 PM EST | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 7 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.