Alert archive / Pennsylvania / River Flood Warnings in 2019

River Flood Warning 17, NWS Philadelphia/Mount Holly

June 20, 2019Delaware County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 20, 2019, 6:31 AM EDT for Delaware County, Pennsylvania. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jun 20, 2019, 6:31 AM EDT (10:31 UTC)
Expired
Jun 20, 2019, 9:05 AM EDT
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 10:33 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 8.28 ft at Jun 20, 2019, 4:00 AM EDT.

actionminormoderate51006/2006/21
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.

268 
WGUS41 KPHI 201031
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
631 AM EDT Thu Jun 20 2019

...The National Weather Service in Mount Holly has issued a
Flood Warning for the Chester Creek near Chester...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think it is.

&&

PAC045-201630-
/O.NEW.KPHI.FL.W.0017.190620T1031Z-190620T1909Z/
/CHSP1.1.ER.000000T0000Z.190620T1200Z.190620T1309Z.NO/
631 AM EDT Thu Jun 20 2019

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Chester Creek neart Chester.
* until this afternoon...or until the warning is cancelled.
* At 6:15 AM, the creek level was 8.16 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and is forecast to continue.
* Forecast...The creek will continue rising to near 9.1 feet
  this morning. The creek is expected to fall below flood stage
  by 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 8.7
  feet on April 17, 2011.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Chester Creek
  Chester                8.0    8.16  Thu 615 AM    9.1   Thu 8 AM 
 
&&
 
LAT...LON 3991 7542 3985 7534 3981 7540 3987 7547
                                      
$$

Iovino
1 follow-up statement
554 
WGUS81 KPHI 201305
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
905 AM EDT Thu Jun 20 2019

...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.

&&

PAC045-201335-
/O.CAN.KPHI.FL.W.0017.000000T0000Z-190620T1909Z/
/CHSP1.1.ER.000000T0000Z.190620T1016Z.190620T1048Z.NO/
905 AM EDT Thu Jun 20 2019

The Flood Warning is cancelled for
  The Chester Creek at Chester.
* At 8:30 AM Thursday the stage was 6.6 feet.
* Flood stage is 8.0 feet.
* Fell below flood stage at 6:48 AM Thursday.
* Impact...At 7.0 feet...The creek floods adjacent open land.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Chester Creek
  Chester                8.0    6.59  Thu 8 AM     6.7    Thu 11 AM
 
&&
 
LAT...LON 3991 7542 3985 7534 3981 7540 3987 7547                                     

$$

Kruzdlo

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:09 PM EDTAreal Flood WarningPHIPhiladelphia3 hr
Jun 19, 9:50 PM EDTSpecial Weather StatementPHILebanon55 min
Jun 19, 10:47 PM EDTAreal Flood AdvisoryPHIBerks50 min
Jun 19, 11:11 PM EDTFlash Flood WarningPHIChester, Delaware6 hr
Jun 19, 11:34 PM EDTFlash Flood WarningPHIBerks6 hr
Jun 20, 12:39 AM EDTAreal Flood AdvisoryPHIMontgomery7 min
Jun 20, 12:45 AM EDTFlash Flood WarningPHIMontgomery, Philadelphia6 hr
Jun 20, 3:40 AM EDTRiver Flood WarningPHIDelaware111 min
Jun 20, 3:59 AM EDTRiver Flood WarningPHIChester7 hr
Jun 20, 5:10 AM EDTAreal Flood WarningPHIChester, Delaware12 hr
Jun 20, 5:19 AM EDTRiver Flood WarningPHIChester, Delaware13 hr
Jun 20, 5:24 AM EDTAreal Flood WarningPHIBerks6 hr
Jun 20, 6:14 AM EDTAreal Flood WarningPHIMontgomery, Philadelphia10 hr
Jun 20, 1:24 PM EDTSpecial Weather StatementPHIBerks, Chester, Montgomery51 min
Jun 20, 1:28 PM EDTAreal Flood AdvisoryPHIBerks4 hr
Jun 20, 2:13 PM EDTAreal Flood AdvisoryPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery4 hr
Jun 20, 2:26 PM EDTSpecial Weather StatementPHIBucks, Chester, Delaware, Montgomery, Philadelphia94 min
Jun 20, 2:33 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia57 min
Jun 20, 2:48 PM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia4 hr
Jun 20, 3:20 PM EDTFlash Flood WarningPHIBucks4 hr
Jun 20, 4:58 PM EDTRiver Flood WarningPHIChester4 hr
Jun 20, 6:33 PM EDTAreal Flood WarningPHIMontgomery3 hr

Nearby

River Flood Warnings in Pennsylvania, 2019Every river flood warning in 2019

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.