Alert archive / New Jersey / Flash Flood Watches in 2014

Flash Flood Watch 7, NWS Philadelphia/Mount Holly

July 14, 20144 states

NWS Philadelphia/Mount Holly issued this flash flood watch at Jul 14, 2014, 3:54 AM EDT for 4 states. It took effect at Jul 14, 2014, 12:00 PM EDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Jul 14, 2014, 3:54 AM EDT (07:54 UTC)
In effect from
Jul 14, 2014, 12:00 PM EDT
Expired
Jul 16, 2014, 12:26 AM EDT
In force
36 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None
All 34 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 68 km from the middle of the area, began a volume at 07:56 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 nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 7.9 hours before the alert went out and 219 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2014-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 569 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2014-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
569 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1600 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

767 
WGUS61 KPHI 140754
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
354 AM EDT MON JUL 14 2014

...LOCALLY HEAVY RAINFALL AND FLASH FLOODING ARE POSSIBLE THIS
AFTERNOON INTO TUESDAY NIGHT...

.A COLD FRONT IS FORECAST TO APPROACH FROM THE NORTHWEST DURING
TODAY AND TUESDAY. THE BOUNDARY IS EXPECTED TO ARRIVE ON TUESDAY
NIGHT. SHOWERS AND THUNDERSTORMS ARE ANTICIPATED TO BRING LOCALLY
HEAVY RAINFALL TO OUR REGION ALONG WITH THE POTENTIAL FOR FLASH
FLOODING.

DEZ001-MDZ008-NJZ001-007>010-012-013-015>019-PAZ054-055-060>062-
070-071-101>106-142100-
/O.NEW.KPHI.FF.A.0007.140714T1600Z-140716T0400Z/
/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...DOYLESTOWN
354 AM EDT MON JUL 14 2014

...FLASH FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH
TUESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLASH FLOOD WATCH FOR NEW CASTLE COUNTY IN DELAWARE AND CECIL
  COUNTY IN MARYLAND, FOR THE NEW JERSEY COUNTIES OF SALEM,
  GLOUCESTER, CAMDEN, NORTHWESTERN BURLINGTON, WESTERN MONMOUTH,
  MERCER, MIDDLESEX, SOMERSET, HUNTERDON, MORRIS, WARREN AND
  SUSSEX, AND FOR THE PENNSYLVANIA COUNTIES OF CARBON, MONROE,
  NORTHAMPTON, LEHIGH, BERKS, BUCKS, MONTGOMERY, CHESTER, DELAWARE
  AND PHILADELPHIA.

* FROM NOON EDT TODAY THROUGH TUESDAY EVENING

* SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BRING LOCALLY HEAVY
  RAIN TO OUR REGION FROM THIS AFTERNOON INTO THIS EVENING AND
  AGAIN ON TUESDAY INTO TUESDAY NIGHT. RAINFALL AMOUNTS OF ONE TO
  THREE INCHES OR MORE MAY FALL IN A BRIEF PERIOD OF TIME
  RESULTING IN FLASH FLOODING.

* FLOODING OF ROADWAYS AND AREAS OF POOR DRAINAGE IS POSSIBLE.
  QUICK RISES ON STREAMS AND CREEKS MAY RESULT FROM THE HEAVY
  RAIN. IF YOU LIVE IN A FLOOD PRONE AREA BE SURE TO PAY SPECIAL
  ATTENTION TO THIS DEVELOPING WEATHER SITUATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS.

BE SURE TO MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE
ACTION IF A FLASH FLOOD WARNING IS ISSUED FOR YOUR LOCATION.

&&

$$

IOVINO
5 follow-up statements
158 
WGUS61 KPHI 141902
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
302 PM EDT MON JUL 14 2014

DEZ001-MDZ008-NJZ001-007>010-012-013-015>019-PAZ054-055-060>062-
070-071-101>106-150400-
/O.CON.KPHI.FF.A.0007.000000T0000Z-140716T0400Z/
/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...DOYLESTOWN
302 PM EDT MON JUL 14 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING...

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. 
  IN NEW JERSEY...CAMDEN...GLOUCESTER...HUNTERDON...MERCER... 
  MIDDLESEX...MORRIS...NORTHWESTERN BURLINGTON...SALEM... 
  SOMERSET...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 TUESDAY EVENING

* SHOWERS AND THUNDERSTORMS WILL BRING LOCALLY HEAVY RAIN TO OUR
  REGION FROM THIS EVENING THROUGH TUESDAY AND INTO TUESDAY NIGHT.
  RAINFALL AMOUNTS OF ONE TO THREE INCHES OR MORE MAY FALL IN A
  BRIEF PERIOD OF TIME RESULTING IN FLASH FLOODING.

* FLOODING OF ROADWAYS AND AREAS OF POOR DRAINAGE IS POSSIBLE. 
  QUICK RISES ON STREAMS AND CREEKS MAY RESULT FROM THE HEAVY 
  RAIN. IF YOU LIVE IN A FLOOD PRONE AREA BE SURE TO PAY SPECIAL 
  ATTENTION TO THIS DEVELOPING WEATHER SITUATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS.

BE SURE TO MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE
ACTION IF A FLASH FLOOD WARNING IS ISSUED FOR YOUR LOCATION.

&&

$$
428 
WGUS61 KPHI 150737
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
337 AM EDT TUE JUL 15 2014

DEZ002>004-MDZ012-015-019-020-NJZ014-020>027-152100-
/O.EXB.KPHI.FF.A.0007.140715T1000Z-140716T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
CHESTERTOWN...CENTREVILLE...EASTON...DENTON...SANDY HOOK...
JACKSON...MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE...
OCEAN CITY...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
337 AM EDT TUE JUL 15 2014

...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF DELAWARE...NORTHEAST 
  MARYLAND AND NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN 
  DELAWARE...DELAWARE BEACHES...INLAND SUSSEX AND KENT. IN 
  NORTHEAST MARYLAND...CAROLINE...KENT MD...QUEEN ANNES AND 
  TALBOT. IN NEW JERSEY...ATLANTIC...ATLANTIC COASTAL CAPE MAY...
   CAPE MAY...COASTAL ATLANTIC...COASTAL OCEAN...CUMBERLAND... 
  EASTERN MONMOUTH...OCEAN AND SOUTHEASTERN BURLINGTON. 

* THROUGH LATE TONIGHT

* SHOWERS AND THUNDERSTORMS WILL BRING LOCALLY HEAVY RAIN TO OUR
  REGION TODAY AND TONIGHT. RAINFALL AMOUNTS OF ONE TO THREE
  INCHES OR MORE MAY FALL IN A BRIEF PERIOD OF TIME RESULTING IN
  FLASH FLOODING. ISOLATED HIGHER AMOUNTS ARE POSSIBLE.

* FLOODING OF ROADWAYS AND AREAS OF POOR DRAINAGE IS POSSIBLE. 
  QUICK RISES ON STREAMS AND CREEKS MAY RESULT FROM THE HEAVY 
  RAIN. IF YOU LIVE IN A FLOOD PRONE AREA BE SURE TO PAY SPECIAL 
  ATTENTION TO THIS DEVELOPING WEATHER SITUATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS.

BE SURE TO MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE
ACTION IF A FLASH FLOOD WARNING IS ISSUED FOR YOUR LOCATION.

&&

$$

DEZ001-MDZ008-NJZ001-007>010-012-013-015>019-PAZ054-055-060>062-
070-071-101>106-152100-
/O.EXT.KPHI.FF.A.0007.000000T0000Z-140716T1000Z/
/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...DOYLESTOWN
337 AM EDT TUE JUL 15 2014

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...NEW 
  JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN 
  NORTHERN DELAWARE...NEW CASTLE. IN NORTHEAST MARYLAND...CECIL. 
  IN NEW JERSEY...CAMDEN...GLOUCESTER...HUNTERDON...MERCER... 
  MIDDLESEX...MORRIS...NORTHWESTERN BURLINGTON...SALEM... 
  SOMERSET...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

* SHOWERS AND THUNDERSTORMS WILL BRING LOCALLY HEAVY RAIN TO OUR
  REGION AGAIN TODAY AND TONIGHT. RAINFALL AMOUNTS OF ONE TO THREE
  INCHES MAY FALL IN A BRIEF PERIOD OF TIME RESULTING IN FLASH
  FLOODING. ISOLATED HIGHER AMOUNTS ARE POSSIBLE.

* FLOODING OF ROADWAYS AND AREAS OF POOR DRAINAGE IS POSSIBLE. 
  QUICK RISES ON STREAMS AND CREEKS MAY RESULT FROM THE HEAVY 
  RAIN. IF YOU LIVE IN A FLOOD PRONE AREA BE SURE TO PAY SPECIAL 
  ATTENTION TO THIS DEVELOPING WEATHER SITUATION. 

* THE FLASH FLOOD RISK WILL DECREASE FROM WEST TO EAST AS TONIGHT
  PROGRESSES. THE CHANCES WILL LAST THE LONGEST IN DELAWARE AND NEW
  JERSEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS.

BE SURE TO MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE
ACTION IF A FLASH FLOOD WARNING IS ISSUED FOR YOUR LOCATION.

&&

$$
875 
WGUS61 KPHI 151908
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
308 PM EDT TUE JUL 15 2014

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-070-071-101>106-160400-
/O.CON.KPHI.FF.A.0007.000000T0000Z-140716T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN 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...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...NEWTON...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...MEDIA...
PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
308 PM EDT TUE JUL 15 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND 
  PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN DELAWARE... 
  DELAWARE BEACHES...INLAND SUSSEX...KENT AND NEW CASTLE. IN 
  NORTHEAST MARYLAND...CAROLINE...CECIL...KENT MD...QUEEN ANNES 
  AND TALBOT. 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

* SHOWERS AND THUNDERSTORMS WILL BRING LOCALLY HEAVY RAIN TO OUR
  REGION THROUGH TONIGHT. RAINFALL AMOUNTS OF ONE TO THREE INCHES
  MAY FALL IN A BRIEF PERIOD OF TIME RESULTING IN FLASH FLOODING.
  ISOLATED HIGHER AMOUNTS ARE POSSIBLE.

* FLOODING OF ROADWAYS AND AREAS OF POOR DRAINAGE IS POSSIBLE. 
  QUICK RISES ON STREAMS AND CREEKS MAY RESULT FROM THE HEAVY 
  RAIN. IF YOU LIVE IN A FLOOD PRONE AREA BE SURE TO PAY SPECIAL 
  ATTENTION TO THIS DEVELOPING WEATHER SITUATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS.

BE SURE TO MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE
ACTION IF A FLASH FLOOD WARNING IS ISSUED FOR YOUR LOCATION.

&&

$$
401 
WGUS61 KPHI 160152
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
952 PM EDT TUE JUL 15 2014

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-070-071-101>106-161000-
/O.CON.KPHI.FF.A.0007.000000T0000Z-140716T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN 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...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...NEWTON...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...MEDIA...
PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
952 PM EDT TUE JUL 15 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT WEDNESDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND 
  PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN DELAWARE... 
  DELAWARE BEACHES...INLAND SUSSEX...KENT AND NEW CASTLE. IN 
  NORTHEAST MARYLAND...CAROLINE...CECIL...KENT MD...QUEEN ANNES 
  AND TALBOT. 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. 

* UNTIL 6 AM EDT WEDNESDAY

* HEAVY RAINFALL HAD FALLEN ACROSS PORTIONS OF THE AREA THIS
  EVENING, PARTICULARLY ACROSS NEW JERSEY, WHERE FLASH FLOODING IS
  ONGOING. ADDITIONAL SHOWERS AND ISOLATED THUNDERSTORMS WILL
  CONTINUE TO PRODUCE LOCALLY HEAVY RAIN TO OUR REGION LATE THIS
  EVENING AND OVERNIGHT. RAINFALL AMOUNTS OF ONE TO THREE INCHES
  MAY FALL IN A SHORT PERIOD, RESULTING IN FLASH FLOODING.

* FLOODING OF ROADWAYS AND AREAS OF POOR DRAINAGE IS POSSIBLE. 
  QUICK RISES ON STREAMS AND CREEKS MAY RESULT FROM THE HEAVY 
  RAIN. IF YOU LIVE IN A FLOOD PRONE AREA BE SURE TO PAY SPECIAL 
  ATTENTION TO THIS DEVELOPING WEATHER SITUATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS VERY DANGEROUS.

BE SURE TO MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE
ACTION IF A FLASH FLOOD WARNING IS ISSUED FOR YOUR LOCATION.

&&

$$
268 
WGUS61 KPHI 160426
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1226 AM EDT WED JUL 16 2014

 
DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-070-071-101>106-160530-
/O.CAN.KPHI.FF.A.0007.000000T0000Z-140716T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-
SOMERSET-MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN 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...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...NEWTON...WASHINGTON...MORRISTOWN...FLEMINGTON...
SOMERVILLE...NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...MEDIA...
PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
1226 AM EDT WED JUL 16 2014

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR DELAWARE...EASTERN MARYLAND...MOST OF 
NEW JERSEY AND EASTERN PENNSYLVANIA HAS BEEN CANCELLED.

WHILE SOME RAIN WILL CONTINUE THROUGH THE NIGHT, THUNDERSTORMS
WITH TORRENTIAL DOWNPOURS ARE NO LONGER EXPECTED. ANY RESIDUAL
FLOODING SHOULD BE CONFINED TO AREAS OF POOR DRAINAGE AND NOT
INVOLVE RAPID OR SUDDEN RISES OF CREEKS ABOVE BANKFULL.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 8:04 PM EDTSpecial Weather StatementPHICarbon71 min
Jul 13, 8:33 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton57 min
Jul 13, 8:41 PM EDTSpecial Weather StatementPHIBerks, Lehigh2 hr
Jul 13, 9:04 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh56 min
Jul 13, 9:16 PM EDTSpecial Weather StatementPHINorthampton89 min
Jul 13, 9:33 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton57 min
Jul 13, 9:44 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Lehigh, Northampton46 min
Jul 13, 10:06 PM EDTSpecial Weather StatementPHIBerks54 min
Jul 13, 10:14 PM EDTSevere Thunderstorm WarningPHIChester, Delaware46 min
Jul 13, 10:41 PM EDTAreal Flood AdvisoryPHIBerks, Bucks, Lehigh, Montgomery, Northampton2 hr
Jul 13, 10:48 PM EDTSevere Thunderstorm WarningPHIChester, Delaware37 min
Jul 13, 11:07 PM EDTSpecial Weather StatementPHIBucks, Montgomery38 min
Jul 13, 11:21 PM EDTSpecial Weather StatementPHIDelaware, Philadelphia54 min
Jul 13, 11:27 PM EDTAreal Flood AdvisoryPHIBucks, Montgomery2 hr
Jul 14, 3:43 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery62 min
Jul 14, 4:38 PM EDTAreal Flood AdvisoryPHIChester3 hr
Jul 14, 4:50 PM EDTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh, Monroe, Northampton4 hr
Jul 14, 5:06 PM EDTSpecial Weather StatementPHIBucks54 min
Jul 14, 5:09 PM EDTAreal Flood AdvisoryPHIBucks, Montgomery3 hr
Jul 14, 5:16 PM EDTSpecial Weather StatementPHILehigh, Northampton59 min
Jul 14, 5:31 PM EDTFlash Flood WarningPHIBucks, Lehigh, Northampton3 hr
Jul 14, 7:39 PM EDTAreal Flood AdvisoryPHIBucks, Delaware, Montgomery, Philadelphia3 hr
Jul 14, 7:53 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia67 min
Jul 13, 10:18 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Somerset57 min
Jul 13, 10:27 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex, Warren47 min
Jul 13, 11:05 PM EDTSpecial Marine WarningPHI85 min
Jul 13, 11:47 PM EDTSpecial Weather StatementPHIMercer, Middlesex43 min
Jul 14, 4:02 AM EDTSmall Craft AdvisoryPHI24 hr
Jul 14, 4:08 PM EDTSpecial Weather StatementPHIMonmouth52 min
Jul 14, 4:12 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean63 min
Jul 14, 4:17 PM EDTSpecial Weather StatementPHISussex58 min
Jul 14, 4:21 PM EDTAreal Flood AdvisoryPHIMorris, Sussex3 hr
Jul 14, 4:28 PM EDTFlash Flood WarningPHIMonmouth, Ocean4 hr
Jul 14, 5:33 PM EDTSpecial Weather StatementPHIMonmouth57 min
Jul 14, 5:54 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Warren4 hr
Jul 14, 6:15 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren4 hr
Jul 14, 6:54 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Somerset3 hr
Jul 14, 7:03 PM EDTSevere Thunderstorm WarningPHISalem42 min
Jul 14, 7:17 PM EDTSpecial Weather StatementPHIMercer58 min
Jul 14, 7:29 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem46 min
Jul 13, 10:02 PM EDTSpecial Weather StatementPHINew Castle58 min
Jul 14, 7:49 PM EDTSevere Thunderstorm WarningPHIKent, Sussex51 min
Jul 13, 9:26 PM EDTSpecial Weather StatementPHICecil, Kent64 min
Jul 14, 6:04 PM EDTSpecial Weather StatementPHICaroline, Cecil, Kent, Queen Anne's56 min
Jul 14, 6:28 PM EDTSevere Thunderstorm WarningPHICaroline, Cecil, Kent, Queen Anne's62 min
Jul 14, 7:16 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot74 min

Nearby

Flash Flood Watches in New Jersey, 2014Flash Flood Watches in Pennsylvania, 2014Flash Flood Watches in Maryland, 2014Every flash flood watch in 2014

Sources

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.