Current Watches, Warnings and Advisories for Chester (PAC029) Pennsylvania Issued by the National Weather Service

Flash Flood Watch Flash Flood Watch - Chester County (Pennsylvania)


Updated:   Thu 20-Jun-19 06:13am EDT

Effective: Thu 20-Jun-19 06:13am EDT

Expires:   Fri 21-Jun-19 01:00am EDT

Severity:  Severe

Urgency:   Expected

Certainty: Possible

Status:   Actual

Type:     Alert

Category: Met


Areas affected:

Berks; Carbon; Delaware; Eastern Chester; Eastern Montgomery; Lehigh; Lower Bucks; Monroe; Northampton; Philadelphia; Upper Bucks; Western Chester; Western Montgomery

Instructions:

A flash flood watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways. Streams and creeks could leave their banks, flooding nearby properties. Please monitor the forecast, especially if you live in a location that is prone to flooding. Be prepared to take action if a flash flood warning is issued for your area.

Message summary:

...flash flood watch remains in effect through late tonight...
The flash flood watch continues for
* portions of northern delaware, northeast maryland, new jersey, and pennsylvania, including the following areas, in northern delaware, new castle. In northeast maryland, cecil and kent md. In new jersey, atlantic, atlantic coastal cape may, camden, cape may, coastal atlantic, coastal ocean, cumberland, eastern monmouth, gloucester, hunterdon, mercer, middlesex, morris, northwestern burlington, ocean, salem, somerset, southeastern burlington, sussex, warren, and western monmouth. In pennsylvania, berks, carbon, delaware, eastern chester, eastern montgomery, lehigh, lower bucks, monroe, northampton, philadelphia, upper bucks, western chester, and western montgomery.
* through late tonight
* the showers and some thunderstorms over southeast pennsylvania and across parts of southern new jersey that resulted in flash flooding have lifted to the north and are weakening. Flash flood warnings are being converted to flood warnings, and these flood warnings will be in place for most of today.
* another round of showers and thunderstorms will develop this afternoon and tonight. Heavy rainfall will develop once again with as much as an additional 1 to 3 inches of rain in a short time. Flash flooding are likely once again, and it will not take much additional rainfall to result in flash flooding over already flooded areas.

...view the full/original NWS message

Flood Warning Flood Warning - Chester County (Pennsylvania)


Updated:   Thu 20-Jun-19 05:19am EDT

Effective: Thu 20-Jun-19 09:33am EDT

Expires:   Thu 20-Jun-19 05:36pm EDT

Severity:  Moderate

Urgency:   Expected

Certainty: Likely

Status:   Actual

Type:     Alert

Category: Met


Areas affected:

Chester; Delaware

Instructions:

Safety message...do not attempt to drive through flooded areas. The water may be deeper than you think it is.

Message summary:

...the national weather service in mount holly nj has issued a flood warning for the brandywine creek at chadds ford...
The national weather service in mount holly nj has issued a
* flood warning for the brandywine creek at chadds ford.
* from this morning to this afternoon...or until the warning is cancelled.
* at 4:30 am, the creek level was 6.70 feet.
* flood stage is 9.0 feet.
* minor flooding is forecast.
* forecast...the creek is expected to rise near 9.2 feet late this morning. The creek should fall back below flood stage by early afternoon.
* impact...at 10.0 feet, the intersection 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 september 28, 2018. && fld observed forecast location stg stg day time crest brandywine creek chadds ford 9.0 6.70 thu 430 am 9.2 thu 10 am &&

...view the full/original NWS message

Flood Warning Flood Warning - Chester County (Pennsylvania)


Updated:   Thu 20-Jun-19 05:10am EDT

Effective: Thu 20-Jun-19 09:33am EDT

Expires:   Thu 20-Jun-19 05:36pm EDT

Severity:  Moderate

Urgency:   Expected

Certainty: Likely

Status:   Actual

Type:     Alert

Category: Met


Areas affected:

Chester

Message summary:

The national weather service in mount holly nj has issued a
* flood warning for...
Northern new castle county in northern delaware...
Chester county in southeastern pennsylvania...
Delaware county in southeastern pennsylvania...
* until 500 pm edt thursday.
* at 500 am edt, the rain was coming to an end in the area but residual flooding continued. Rainfall totals since late wednesday generally ranged from 1 to 3 inches.
* flooding was occurring on the east branch brandywine creek, crum creek and valley creek. There was flooding along other small streams and creeks. Many roads in the area remained closed due to flooding.
* some locations that are experiencing flooding include...
Wilmington, newark, west chester, chester, phoenixville, coatesville, yeadon, westtown, downingtown, folcroft, swarthmore, elsmere, kennett square, new castle, oxford, parkesburg, west grove, east lansdowne and elverson.

...view the full/original NWS message

Flood Warning Flood Warning - Chester County (Pennsylvania)


Updated:   Thu 20-Jun-19 04:58am EDT

Effective: Thu 20-Jun-19 04:58am EDT

Expires:   Thu 20-Jun-19 05:30pm EDT

Severity:  Moderate

Urgency:   Expected

Certainty: Likely

Status:   Actual

Type:     Alert

Category: Met


Areas affected:

Chester

Instructions:

Safety message...do not attempt to drive through flooded areas. The water may be deeper than you think it is.

Message summary:

...forecast flooding changed from minor to moderate severity for the east branch brandywine creek below downingtown...
...forecast flooding increased from minor to moderate severity...
The flood warning continues for the east branch brandywine creek below downingtown.
* until this afternoon...or until the warning is cancelled.
* at 4:45 am, the creek level was 8.37 feet.
* flood stage is 7.0 feet.
* minor flooding is occurring and moderate flooding is forecast.
* forecast...the creek will continue rising to near 9.8 feet this morning. The creek should fall back below flood stage by 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 9.8 feet on april 16, 1996. && fld observed forecast location stg stg day time crest brandywine creek downingtown 7.0 8.37 thu 445 am 9.8 thu 7 am &&

...view the full/original NWS message

Icon Legend: Icon key
Source: NWS Watches, Warnings or Advisories for zone PAC029

Map showing how the NWS has divided Chester County into East and West sections for providing weather information.