Flash Flood Watch 4, NWS Philadelphia/Mount Holly

Issued

Jul 23, 2017, 3:16 PM EDT (19:16 UTC)

In effect from

Jul 23, 2017, 6:00 PM EDT

Expired

Jul 24, 2017, 6:00 AM EDT

In force

12 hr

Issued by

NWS Philadelphia/Mount Holly

Flood severity

None

The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 19:18 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.

188 
WGUS61 KPHI 231916
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Mount Holly NJ
316 PM EDT Sun Jul 23 2017

DEZ001-MDZ008-NJZ001-007>010-012-013-015>019-PAZ054-055-060>062-
070-071-101>106-241000-
/O.NEW.KPHI.FF.A.0004.170723T2200Z-170724T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Cecil-Sussex-Warren-Morris-Hunterdon-Somerset-
Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Elkton, Newton, Washington, 
Morristown, Flemington, Somerville, New Brunswick, Freehold, 
Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Jim Thorpe, Stroudsburg, Reading, Allentown, 
Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford, 
West Chester, Kennett Square, Collegeville, Pottstown, 
Norristown, Lansdale, Chalfont, Perkasie, Morrisville, 
and Doylestown
316 PM EDT Sun Jul 23 2017

...FLASH FLOOD WATCH IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

The National Weather Service in Mount Holly has issued a

* Flash Flood Watch for the Pennsylvania counties of Carbon, 
  Monroe, Northampton, Lehigh, Berks, Chester, Montgomery, Bucks, 
  Delaware and Philadelphia, for the New Jersey counties of 
  Sussex, Warren, Morris, Hunterdon, Somerset, Middlesex, Mercer, 
  Monmouth, Burlington, Camden, Gloucester and Salem, for New 
  Castle County in Delaware, and for Cecil County in Maryland

* From 6 PM EDT this evening through late tonight

* Showers and thunderstorms with heavy rain will move through
  eastern Pennsylvania, northeastern Maryland, Delaware and New
  Jersey during the balance of today and into tonight. Rainfall
  amounts up to 2 to 4 inches are possible. The heavy rain will
  fall in a short amount of time and it may result in flash 
  flooding.

* Heavy rain falling in a short period of time will result in
  rapidly rising water levels along streams and creeks and in 
  areas of poor drainage. Significant roadway flooding may occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that flash flooding is possible. Flash 
flooding is very dangerous.

Please monitor the forecast and be prepared to take action if a 
Flash Flood Warning is issued for your location.

Do not drive through flood waters. The water may be deeper than 
you think it is. A vehicle can easily become trapped in flood 
waters endangering its occupants and those who come to their 
rescue.

&&

$$

Iovino

170 
WGUS61 KPHI 241019
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
619 AM EDT Mon Jul 24 2017


DEZ001-MDZ008-NJZ001-007>010-012-013-015>019-PAZ054-055-060>062-
070-071-101>106-241130-
/O.EXP.KPHI.FF.A.0004.000000T0000Z-170724T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Cecil-Sussex-Warren-Morris-Hunterdon-Somerset-
Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Elkton, Newton, Washington, 
Morristown, Flemington, Somerville, New Brunswick, Freehold, 
Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, 
Mount Holly, Jim Thorpe, Stroudsburg, Reading, Allentown, 
Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford, 
West Chester, Kennett Square, Collegeville, Pottstown, 
Norristown, Lansdale, Chalfont, Perkasie, Morrisville, 
and Doylestown
619 AM EDT Mon Jul 24 2017

...FLASH FLOOD WATCH HAS EXPIRED...

The Flash Flood Watch for portions of northern Delaware,
northeast Maryland, New Jersey, and Pennsylvania has expired. 
The most significant of the rains have exited the area. Only
scattered lighter showers are expected today. 

$$

Flash Flood Watches in New Jersey, 2017Flash Flood Watches in Pennsylvania, 2017Flash Flood Watches in Maryland, 2017Every flash flood watch in 2017

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