Alert archive / New Jersey / Flash Flood Watches in 2014

Flash Flood Watch 2, NWS Philadelphia/Mount Holly

May 15, 20144 states

NWS Philadelphia/Mount Holly issued this flash flood watch at May 15, 2014, 3:56 AM EDT for 4 states. It took effect at May 16, 2014, 8:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
May 15, 2014, 3:56 AM EDT (07:56 UTC)
In effect from
May 16, 2014, 8:00 AM EDT
Expired
May 17, 2014, 12:29 AM EDT
In force
16 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None
All 24 counties

New Castle County, DE, Cecil County, MD, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 7.9 hours before the alert went out and 202 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, Brookhaven, NY at 00:00Z on 2014-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Brookhaven, NY at 00:00Z on 2014-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
87 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.

514 
WGUS61 KPHI 150756
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
356 AM EDT THU MAY 15 2014

DEZ001-MDZ008-NJZ008>010-012-015>019-PAZ070-071-101>106-152030-
/O.NEW.KPHI.FF.A.0002.140516T1200Z-140517T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...ELKTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
356 AM EDT THU MAY 15 2014

...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY MORNING THROUGH LATE
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE... 
  NORTHEAST MARYLAND...NEW JERSEY AND SOUTHEAST 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 AND SOMERSET. IN 
  SOUTHEAST PENNSYLVANIA...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LOWER BUCKS...PHILADELPHIA...UPPER BUCKS... 
  WESTERN CHESTER AND WESTERN MONTGOMERY. 

* FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO DEVELOP FRIDAY MORNING AND CONTINUE INTO FRIDAY
  NIGHT. A GENERAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED...WITH
  LOCALLY HIGHER AMOUNTS. FLASH FLOODING IS POSSIBLE ALONG SMALL
  RIVERS AND STREAMS AND ALSO IN URBAN AREAS, ESPECIALLY IF THESE
  RAINFALL AMOUNTS ARE MET OR EXCEEDED IN A 6 HOUR PERIOD OR LESS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
7 follow-up statements
791 
WGUS61 KPHI 151342
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
942 AM EDT THU MAY 15 2014

NJZ001-007-013-152145-
/O.EXB.KPHI.FF.A.0002.140516T1600Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-WESTERN MONMOUTH-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...FREEHOLD
942 AM EDT THU MAY 15 2014

...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
DAYBREAK ON SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF CENTRAL NEW JERSEY 
  AND NORTHERN NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL NEW JERSEY...WESTERN MONMOUTH. IN NORTHERN NEW 
  JERSEY...SUSSEX AND WARREN. 

* FROM FRIDAY AFTERNOON THROUGH DAYBREAK ON SATURDAY

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO DEVELOP LATE FRIDAY MORNING AND CONTINUE INTO FRIDAY
  NIGHT. A GENERAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED...WITH
  LOCALLY HIGHER AMOUNTS. FLASH FLOODING IS POSSIBLE ALONG SMALL
  RIVERS AND STREAMS AND ALSO IN URBAN AREAS...ESPECIALLY IF THESE
  RAINFALL AMOUNTS ARE MET OR EXCEEDED IN A 6 HOUR PERIOD OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

PAZ054-055-060>062-152145-
/O.EXA.KPHI.FF.A.0002.140516T1200Z-140517T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...JIM THORPE...STROUDSBURG...READING...
ALLENTOWN...BETHLEHEM...EASTON
942 AM EDT THU MAY 15 2014

...FLASH FLOOD WATCH IN EFFECT FROM FRIDAY MORNING INTO FRIDAY
NIGHT...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF EAST CENTRAL 
  PENNSYLVANIA AND NORTHEAST PENNSYLVANIA...INCLUDING THE 
  FOLLOWING AREAS...IN EAST CENTRAL PENNSYLVANIA...BERKS... 
  LEHIGH AND NORTHAMPTON. IN NORTHEAST PENNSYLVANIA...CARBON AND 
  MONROE. 

* FROM FRIDAY MORNING INTO FRIDAY NIGHT

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO DEVELOP FRIDAY MORNING AND CONTINUE INTO FRIDAY
  NIGHT. A GENERAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED...WITH
  LOCALLY HIGHER AMOUNTS. FLASH FLOODING IS POSSIBLE ALONG SMALL
  RIVERS AND STREAMS AND ALSO IN URBAN AREAS...ESPECIALLY IF THESE
  RAINFALL AMOUNTS ARE MET OR EXCEEDED IN A 6 HOUR PERIOD OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

NJZ008>010-012-015-152145-
/O.EXT.KPHI.FF.A.0002.140516T1600Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-
INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE...
NEW BRUNSWICK...TRENTON
942 AM EDT THU MAY 15 2014

...FLASH FLOOD WATCH NOW IN EFFECT FROM FRIDAY AFTERNOON THROUGH
DAYBREAK ON SATURDAY...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF CENTRAL NEW JERSEY...NORTHERN NEW JERSEY AND 
  NORTHWEST NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL NEW JERSEY...MERCER. IN NORTHERN NEW JERSEY... 
  MIDDLESEX...MORRIS AND SOMERSET. IN NORTHWEST NEW JERSEY... 
  HUNTERDON. 

* FROM FRIDAY AFTERNOON THROUGH DAYBREAK ON SATURDAY

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO DEVELOP LATE FRIDAY MORNING AND CONTINUE INTO FRIDAY
  NIGHT. A GENERAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED...WITH
  LOCALLY HIGHER AMOUNTS. FLASH FLOODING IS POSSIBLE ALONG SMALL
  RIVERS AND STREAMS AND ALSO IN URBAN AREAS...ESPECIALLY IF THESE
  RAINFALL AMOUNTS ARE MET OR EXCEEDED IN A 6 HOUR PERIOD OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

DEZ001-MDZ008-NJZ016>019-PAZ070-071-101>106-152145-
/O.CON.KPHI.FF.A.0002.140516T1200Z-140517T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...ELKTON...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
942 AM EDT THU MAY 15 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING INTO
FRIDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...SOUTHERN 
  NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE 
  FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN 
  NORTHEAST MARYLAND...CECIL. IN SOUTHERN NEW JERSEY...CAMDEN... 
  GLOUCESTER...NORTHWESTERN BURLINGTON AND SALEM. IN SOUTHEAST 
  PENNSYLVANIA...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LOWER BUCKS...PHILADELPHIA...UPPER BUCKS... 
  WESTERN CHESTER AND WESTERN MONTGOMERY. 

* FROM FRIDAY MORNING INTO FRIDAY NIGHT

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO DEVELOP FRIDAY MORNING AND CONTINUE INTO FRIDAY
  NIGHT. A GENERAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED...WITH
  LOCALLY HIGHER AMOUNTS. FLASH FLOODING IS POSSIBLE ALONG SMALL
  RIVERS AND STREAMS AND ALSO IN URBAN AREAS...ESPECIALLY IF THESE
  RAINFALL AMOUNTS ARE MET OR EXCEEDED IN A 6 HOUR PERIOD OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$


KRUZDLO
850 
WGUS61 KPHI 152001
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
401 PM EDT THU MAY 15 2014

DEZ001-MDZ008-NJZ016>019-PAZ054-055-060>062-070-071-101>106-
161000-
/O.CON.KPHI.FF.A.0002.140516T1200Z-140517T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-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...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
401 PM EDT THU MAY 15 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH LATE FRIDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* ALL OF EASTERN PENNSYLVANIA AS WELL AS CECIL COUNTY MARYLAND,
  NEW CASTLE COUNTY DELAWARE AND SALEM, GLOUCESTER, CAMDEN AND
  NORTHWEST BURLINGTON COUNTIES.
 
* FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO DEVELOP FRIDAY MORNING AND CONTINUE INTO FRIDAY
  NIGHT. A GENERAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED...WITH
  HIGHER AMOUNTS OCCURRING DURING THUNDERSTORMS. FLASH FLOODING IS
  POSSIBLE ALONG SMALL RIVERS AND STREAMS AND ALSO IN URBAN
  AREAS...ESPECIALLY IF THESE RAINFALL AMOUNTS ARE MET OR EXCEEDED
  IN A 6 HOUR PERIOD OR LESS.

* EXPECT BOTH FRIDAY COMMUTES TO BE IMPACTED BY RAIN WITH MORE WIDESPREAD
  HEAVY RAIN LEADING INTO AND POSSIBLY LASTING THROUGH THE FRIDAY
  EVENING COMMUTE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

NJZ001-007>010-012-013-015-161000-
/O.CON.KPHI.FF.A.0002.140516T1600Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-MERCER-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON
401 PM EDT THU MAY 15 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH LATE FRIDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* THE NORTHERN HALF OF NEW JERSEY...INCLUDING THE FOLLOWING
  AREAS...IN CENTRAL NEW JERSEY...MERCER AND WESTERN MONMOUTH. IN
  NORTHERN NEW JERSEY...MIDDLESEX...MORRIS...HUNTERDON...
  SOMERSET...SUSSEX AND WARREN. 

* FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE 
  EXPECTED TO DEVELOP LATE FRIDAY MORNING AND CONTINUE INTO 
  FRIDAY NIGHT. A GENERAL 1 TO 2 INCHES OF RAINFALL IS 
  EXPECTED...WITH LOCALLY HIGHER AMOUNTS LIKELY IN ANY 
  THUNDERSTORMS. FLASH FLOODING IS POSSIBLE ALONG SMALL RIVERS 
  AND STREAMS AND ALSO IN URBAN AREAS...ESPECIALLY IF THESE 
  RAINFALL AMOUNTS ARE MET OR EXCEEDED IN A 6 HOUR PERIOD OR LESS. 

* EXPECT BOTH FRIDAY COMMUTES TO BE IMPACTED BY RAIN WITH MORE WIDESPREAD
  HEAVY RAIN AFFECTING THE FRIDAY EVENING COMMUTE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
391 
WGUS61 KPHI 160819
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
419 AM EDT FRI MAY 16 2014

DEZ001-MDZ008-NJZ016>019-PAZ054-055-060>062-070-071-101>106-
162200-
/O.CON.KPHI.FF.A.0002.140516T1200Z-140517T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-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...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
419 AM EDT FRI MAY 16 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...SOUTHERN 
  NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS... 
  IN NORTHERN DELAWARE...NEW CASTLE. IN NORTHEAST MARYLAND... 
  CECIL. IN SOUTHERN NEW JERSEY...CAMDEN...GLOUCESTER... 
  NORTHWESTERN BURLINGTON AND SALEM. IN PENNSYLVANIA...BERKS... 
  CARBON...DELAWARE...EASTERN CHESTER...EASTERN MONTGOMERY... 
  LEHIGH...LOWER BUCKS...MONROE...NORTHAMPTON...PHILADELPHIA... 
  UPPER BUCKS...WESTERN CHESTER AND WESTERN MONTGOMERY. 

* FROM 8 AM EDT THIS MORNING THROUGH LATE TONIGHT

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO DEVELOP THIS MORNING AND CONTINUE INTO TONIGHT. A
  GENERAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED...WITH HIGHER
  AMOUNTS OCCURRING DURING THUNDERSTORMS. FLASH FLOODING IS
  POSSIBLE ALONG SMALL RIVERS AND STREAMS AND ALSO IN URBAN
  AREAS...ESPECIALLY IF THESE RAINFALL AMOUNTS ARE MET OR EXCEEDED
  IN A 6 HOUR PERIOD OR LESS.

* EXPECT BOTH COMMUTES TODAY TO BE IMPACTED BY RAIN WITH MORE
  WIDESPREAD HEAVY RAIN LEADING INTO AND POSSIBLY LASTING THROUGH
  THE EVENING COMMUTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

NJZ001-007>010-012-013-015-162200-
/O.CON.KPHI.FF.A.0002.140516T1600Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-MERCER-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON
419 AM EDT FRI MAY 16 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM NOON EDT TODAY
THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL NEW JERSEY...NORTHERN NEW JERSEY AND 
  NORTHWEST NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL NEW JERSEY...MERCER AND WESTERN MONMOUTH. IN NORTHERN 
  NEW JERSEY...MIDDLESEX...MORRIS...SOMERSET...SUSSEX AND 
  WARREN. IN NORTHWEST NEW JERSEY...HUNTERDON. 

* FROM NOON EDT TODAY THROUGH LATE TONIGHT

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO DEVELOP LATE THIS MORNING AND CONTINUE INTO TONIGHT. A
  GENERAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED...WITH LOCALLY
  HIGHER AMOUNTS LIKELY IN ANY THUNDERSTORMS. FLASH FLOODING IS
  POSSIBLE ALONG SMALL RIVERS AND STREAMS AND ALSO IN URBAN
  AREAS...ESPECIALLY IF THESE RAINFALL AMOUNTS ARE MET OR EXCEEDED
  IN A 6 HOUR PERIOD OR LESS.

* EXPECT BOTH COMMUTES TODAY TO BE IMPACTED BY RAIN WITH MORE
  WIDESPREAD HEAVY RAIN AFFECTING THE EVENING COMMUTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
091 
WGUS61 KPHI 161939
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
339 PM EDT FRI MAY 16 2014

DEZ001-MDZ008-PAZ060-101-102-162045-
/O.CAN.KPHI.FF.A.0002.000000T0000Z-140517T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-BERKS-WESTERN CHESTER-EASTERN CHESTER-
INCLUDING THE CITIES OF...WILMINGTON...ELKTON...READING...
HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE
339 PM EDT FRI MAY 16 2014

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF NEW CASTLE COUNTY DELAWARE...
CECIL COUNTY MARYLAND AND CHESTER COUNTY PENNSYLVANIA HAS BEEN
CANCELLED. ALL EXPECTED WARNINGS HAVE BEEN ISSUED AND NO
ADDITIONAL WARNINGS OR HEAVY RAIN IS EXPECTED.

$$

NJZ016>019-PAZ054-055-061-062-070-071-103>106-170345-
/O.CON.KPHI.FF.A.0002.000000T0000Z-140517T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CARBON-MONROE-
LEHIGH-NORTHAMPTON-DELAWARE-PHILADELPHIA-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...PENNSVILLE...GLASSBORO...CAMDEN...
CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JIM THORPE...
STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON...MEDIA...
PHILADELPHIA...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...LANSDALE...
CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
339 PM EDT FRI MAY 16 2014

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT SATURDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHERN NEW JERSEY AND PENNSYLVANIA...INCLUDING 
  THE FOLLOWING AREAS...IN SOUTHERN NEW JERSEY...CAMDEN... 
  GLOUCESTER...NORTHWESTERN BURLINGTON AND SALEM. IN 
  PENNSYLVANIA...CARBON...DELAWARE...EASTERN MONTGOMERY... 
  LEHIGH...LOWER BUCKS...MONROE...NORTHAMPTON...PHILADELPHIA... 
  UPPER BUCKS AND WESTERN MONTGOMERY. 

* UNTIL 2 AM EDT SATURDAY

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO BE ENDING SOON. A GENERAL 1 TO 2 INCHES OF RAINFALL
  HAS FALLEN...WITH SOME LOCALLY HIGHER AMOUNTS OCCURRING. FLASH
  FLOODING IS POSSIBLE ALONG SMALL RIVERS AND STREAMS AND ALSO IN
  URBAN AREAS...ESPECIALLY IF THESE RAINFALL AMOUNTS ARE MET OR
  EXCEEDED IN A 6 HOUR PERIOD OR LESS.

* EXPECT THE EVENING COMMUTE TO BE IMPACTED BY THE RUNOFF FROM THE
  HEAVY RAIN THAT HAS ALREADY OCCURRED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

NJZ001-007>010-012-013-015-170345-
/O.CON.KPHI.FF.A.0002.000000T0000Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-MERCER-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON
339 PM EDT FRI MAY 16 2014

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

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL NEW JERSEY...NORTHERN NEW JERSEY AND 
  NORTHWEST NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL NEW JERSEY...MERCER AND WESTERN MONMOUTH. IN NORTHERN 
  NEW JERSEY...MIDDLESEX...MORRIS...SOMERSET...SUSSEX AND 
  WARREN. IN NORTHWEST NEW JERSEY...HUNTERDON. 

* THROUGH LATE TONIGHT

* PERIODS OF HEAVY RAIN WITH POSSIBLE EMBEDDED THUNDERSTORMS ARE
  EXPECTED TO CONTINUE INTO EARLY THIS EVENING. A GENERAL 1 TO 2
  INCHES OF RAINFALL IS EXPECTED... WITH LOCALLY HIGHER AMOUNTS
  LIKELY IN ANY THUNDERSTORMS. FLASH FLOODING IS POSSIBLE ALONG
  SMALL RIVERS AND STREAMS AND ALSO IN URBAN AREAS...ESPECIALLY IF
  THESE RAINFALL AMOUNTS ARE MET OR EXCEEDED IN A 6 HOUR PERIOD OR
  LESS.

* EXPECT THE EVENING COMMUTE TO BE IMPACTED BY BURSTS OF HEAVY RAIN.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
267 
WGUS61 KPHI 162232
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
632 PM EDT FRI MAY 16 2014

NJZ016>019-PAZ054-055-061-062-070-071-103>106-162345-
/O.CAN.KPHI.FF.A.0002.000000T0000Z-140517T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CARBON-MONROE-
LEHIGH-NORTHAMPTON-DELAWARE-PHILADELPHIA-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...PENNSVILLE...GLASSBORO...CAMDEN...
CHERRY HILL...MOORESTOWN...MOUNT HOLLY...JIM THORPE...
STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON...MEDIA...
PHILADELPHIA...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...LANSDALE...
CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
632 PM EDT FRI MAY 16 2014

...FLASH FLOOD WATCH IS CANCELLED...

THE THREAT OF HEAVY RAINFALL HAS MOVED TO THE EAST OF EASTERN
PENNSYLVANIA AND SOUTHWESTERN NEW JERSEY. AS A RESULT, THE FLASH
FLOOD WATCH HAS BEEN CANCELLED FOR THOSE AREAS.

$$

NJZ001-007>010-012-013-015-171000-
/O.CON.KPHI.FF.A.0002.000000T0000Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-MERCER-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON
632 PM EDT FRI MAY 16 2014

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

THE FLASH FLOOD WATCH CONTINUES FOR

* THE NEW JERSEY COUNTIES OF SUSSEX, WARREN, MORRIS, HUNTERDON,
  SOMERSET, MIDDLESEX, MERCER AND THE INLAND PORTION OF MONMOUTH.

* UNTIL 6 AM EDT SATURDAY

* PERIODS OF MODERATE TO HEAVY RAINFALL REMAIN POSSIBLE INTO
  TONIGHT. ADDITIONAL RAINFALL UP TO AROUND AN INCH IS EXPECTED IN
  PARTS OF CENTRAL AND NORTHERN NEW JERSEY WITH THE POTENTIAL FOR
  LOCALLY HIGHER AMOUNTS. SMALL STREAM FLOODING AND FLOODING IN
  AREAS OF POOR DRAINAGE IS POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE
ACTION IF A FLASH FLOOD WARNING IS ISSUED.

&&

$$

IOVINO
577 
WGUS61 KPHI 170125
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
925 PM EDT FRI MAY 16 2014

NJZ007-009-015-170230-
/O.CAN.KPHI.FF.A.0002.000000T0000Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN-HUNTERDON-MERCER-
INCLUDING THE CITIES OF...WASHINGTON...FLEMINGTON...TRENTON
925 PM EDT FRI MAY 16 2014

...FLASH FLOOD WATCH IS CANCELLED...

THE THREAT OF HEAVY RAINFALL HAS MOVED TO THE EAST OF THE NEW
JERSEY COUNTIES OF WARREN, HUNTERDON AND MERCER. AS A RESULT, THE
FLASH FLOOD WATCH HAS BEEN CANCELLED FOR THOSE COUNTIES.

$$

NJZ001-008-010-012-013-171000-
/O.CON.KPHI.FF.A.0002.000000T0000Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
INCLUDING THE CITIES OF...NEWTON...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD
925 PM EDT FRI MAY 16 2014

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

THE FLASH FLOOD WATCH CONTINUES FOR

* THE NEW JERSEY COUNTIES OF SUSSEX, MORRIS, SOMERSET, MIDDLESEX
  AND THE INLAND PORTION OF MONMOUTH.

* UNTIL 6 AM EDT SATURDAY

* PERIODS OF MODERATE TO HEAVY RAINFALL REMAIN POSSIBLE INTO
  TONIGHT. ADDITIONAL RAINFALL UP TO AROUND AN INCH IS EXPECTED IN
  SPOTS. SMALL STREAM FLOODING AND FLOODING IN AREAS OF POOR
  DRAINAGE MAY OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE MONITOR THE LATEST FORECASTS AND BE PREPARED TO TAKE
ACTION IF A FLASH FLOOD WARNING IS ISSUED.

&&

$$

IOVINO
571 
WGUS61 KPHI 170429
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1229 AM EDT SAT MAY 17 2014

NJZ001-008-010-012-013-170530-
/O.CAN.KPHI.FF.A.0002.000000T0000Z-140517T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-MORRIS-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
INCLUDING THE CITIES OF...NEWTON...MORRISTOWN...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD
1229 AM EDT SAT MAY 17 2014

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL NEW JERSEY AND
NORTHERN NEW JERSEY HAS BEEN CANCELLED. THE THREAT OF HEAVY
RAINFALL HAS ENDED, AND AS A RESULT, THE FLASH FLOOD WATCH HAS
BEEN CANCELLED. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 4:04 AM EDTSmall Craft AdvisoryPHI64 hr

Nearby

Flash Flood Watches in New Jersey, 2014Flash Flood Watches in Pennsylvania, 2014Flash Flood Watches in Delaware, 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.