Alert archive / New Jersey / Flash Flood Watches in 2015

Flash Flood Watch 2, NWS Philadelphia/Mount Holly

June 1, 20154 states

NWS Philadelphia/Mount Holly issued this flash flood watch at Jun 1, 2015, 4:20 AM EDT for 4 states. It took effect at Jun 1, 2015, 12:00 PM EDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jun 1, 2015, 4:20 AM EDT (08:20 UTC)
In effect from
Jun 1, 2015, 12:00 PM EDT
Expired
Jun 2, 2015, 6:00 AM EDT
In force
18 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None
All 27 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, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 69 km from the middle of the area, began a volume at 08:23 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 8.3 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, Wallops Is Stn, VA at 00:00Z on 2015-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Wallops Is Stn, VA at 00:00Z on 2015-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
3 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
1107 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
58 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.

853 
WGUS61 KPHI 010820
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
420 AM EDT MON JUN 1 2015

DEZ001-MDZ008-NJZ008>010-012-013-015>019-PAZ070-071-101>106-
012100-
/O.NEW.KPHI.FF.A.0002.150601T1600Z-150602T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-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...FREEHOLD...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
420 AM EDT MON JUN 1 2015

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

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...SOMERSET AND 
  WESTERN MONMOUTH. IN SOUTHEAST PENNSYLVANIA...DELAWARE... 
  EASTERN CHESTER...EASTERN MONTGOMERY...LOWER BUCKS... 
  PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN 
  MONTGOMERY. 

* FROM NOON EDT TODAY THROUGH THIS EVENING

* LOCATIONS...PORTIONS OF SOUTHEASTERN PENNSYLVANIA, NORTHERN,
  CENTRAL AND SOUTHERN NEW JERSEY, NORTHERN DELAWARE AND
  NORTHEASTERN MARYLAND

* SHOWERS AND THUNDERSTORMS WILL DEVELOP AGAIN THIS AFTERNOON AND
  ARE EXPECTED TO PRODUCE EXCESSIVE SHORT DURATION RAINFALL,
  POSSIBLY AS MUCH AS 2 INCHES IN AN HOUR IN SOME AREAS. IF THESE
  AMOUNTS OF RAIN MATERIALIZE, DANGEROUS STREET AND HIGHWAY
  FLOODING WOULD OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO A RAPID RISE OF WATER TO DANGEROUS LEVELS. FLASH FLOODING IS A
VERY DANGEROUS SITUATION.

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

&&

$$
5 follow-up statements
972 
WGUS61 KPHI 011329
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
929 AM EDT MON JUN 1 2015

NJZ014-020>022-025>027-012200-
/O.EXA.KPHI.FF.A.0002.150601T1600Z-150602T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...SANDY HOOK...JACKSON...MILLVILLE...
HAMMONTON...ATLANTIC CITY...LONG BEACH ISLAND...
WHARTON STATE FOREST
929 AM EDT MON JUN 1 2015

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF CENTRAL NEW JERSEY 
  AND SOUTHERN NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL NEW JERSEY...EASTERN MONMOUTH. IN SOUTHERN NEW 
  JERSEY...ATLANTIC...COASTAL ATLANTIC...COASTAL OCEAN... 
  CUMBERLAND...OCEAN AND SOUTHEASTERN BURLINGTON. 

* THROUGH THIS EVENING.

* SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS
  THIS AFTERNOON AND EVENING, SOME PRODUCING EXCESSIVE SHORT
  DURATION RAINFALL WHICH CAN BE AS MUCH AS 2 INCHES IN AN HOUR IN
  SOME AREAS. IF THESE AMOUNTS OF RAIN MATERIALIZE, DANGEROUS
  ROADWAY FLOODING WOULD OCCUR. THIS CAN BE ENHANCED BY ANY
  BLOCKED STORM DRAINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO A RAPID RISE OF WATER TO DANGEROUS LEVELS. 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-NJZ008>010-012-013-015>019-PAZ070-071-101>106-
012200-
/O.CON.KPHI.FF.A.0002.150601T1600Z-150602T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-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...FREEHOLD...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
929 AM EDT MON JUN 1 2015

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

THE FLASH FLOOD WATCH CONTINUES 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...SOMERSET AND WESTERN MONMOUTH. IN 
  SOUTHEAST PENNSYLVANIA...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LOWER BUCKS...PHILADELPHIA...UPPER BUCKS... 
  WESTERN CHESTER AND WESTERN MONTGOMERY. 

* THROUGH THIS EVENING.

* SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS
  THIS AFTERNOON AND EVENING, SOME PRODUCING EXCESSIVE SHORT
  DURATION RAINFALL WHICH CAN BE AS MUCH AS 2 INCHES IN AN HOUR IN
  SOME AREAS. IF THESE AMOUNTS OF RAIN MATERIALIZE, DANGEROUS
  ROADWAY FLOODING WOULD OCCUR. THIS CAN BE ENHANCED BY ANY
  BLOCKED STORM DRAINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO A RAPID RISE OF WATER TO DANGEROUS LEVELS. FLASH FLOODING IS A
VERY DANGEROUS SITUATION.

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

&&

$$

GORSE
109 
WGUS61 KPHI 011525
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1125 AM EDT MON JUN 1 2015


DEZ002>004-MDZ012-015-019-020-NJZ023-024-012330-
/O.EXB.KPHI.FF.A.0002.150601T1600Z-150602T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-CAPE MAY-ATLANTIC COASTAL CAPE MAY-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
CHESTERTOWN...CENTREVILLE...EASTON...DENTON...
CAPE MAY COURT HOUSE...OCEAN CITY
1125 AM EDT MON JUN 1 2015

...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 SOUTHERN 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 SOUTHERN NEW JERSEY...ATLANTIC COASTAL CAPE MAY 
  AND CAPE MAY. 

* THROUGH TONIGHT. 

* SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS 
  THIS AFTERNOON AND EVENING... SOME PRODUCING EXCESSIVE SHORT 
  DURATION RAINFALL WHICH CAN BE AS MUCH AS 2 INCHES IN AN HOUR 
  IN SOME AREAS. IF THESE AMOUNTS OF RAIN MATERIALIZE... 
  DANGEROUS ROADWAY FLOODING WOULD OCCUR. THIS CAN BE ENHANCED 
  BY ANY BLOCKED STORM DRAINS. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO A RAPID RISE OF WATER TO DANGEROUS LEVELS. 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-NJZ008>010-012>022-025>027-PAZ070-071-101>106-
012330-
/O.EXT.KPHI.FF.A.0002.150601T1600Z-150602T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-
COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN 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...FREEHOLD...SANDY HOOK...
TRENTON...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON...
ATLANTIC CITY...LONG BEACH ISLAND...WHARTON STATE FOREST...
MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
1125 AM EDT MON JUN 1 2015

...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 SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING 
  AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NORTHEAST 
  MARYLAND...CECIL. IN NEW JERSEY...ATLANTIC...CAMDEN...COASTAL 
  ATLANTIC...COASTAL OCEAN...CUMBERLAND...EASTERN MONMOUTH... 
  GLOUCESTER...HUNTERDON...MERCER...MIDDLESEX...MORRIS... 
  NORTHWESTERN BURLINGTON...OCEAN...SALEM...SOMERSET... 
  SOUTHEASTERN BURLINGTON AND WESTERN MONMOUTH. IN SOUTHEAST 
  PENNSYLVANIA...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LOWER BUCKS...PHILADELPHIA...UPPER BUCKS... 
  WESTERN CHESTER AND WESTERN MONTGOMERY. 

* THROUGH TONIGHT. 

* SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS 
  THIS AFTERNOON AND EVENING... SOME PRODUCING EXCESSIVE SHORT 
  DURATION RAINFALL WHICH CAN BE AS MUCH AS 2 INCHES IN AN HOUR 
  IN SOME AREAS. IF THESE AMOUNTS OF RAIN MATERIALIZE... 
  DANGEROUS ROADWAY FLOODING WOULD OCCUR. THIS CAN BE ENHANCED 
  BY ANY BLOCKED STORM DRAINS. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO A RAPID RISE OF WATER TO DANGEROUS LEVELS. FLASH FLOODING IS A
VERY DANGEROUS SITUATION.

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

&&

$$
917 
WGUS61 KPHI 011947
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
347 PM EDT MON JUN 1 2015

DEZ001>004-MDZ008-012-015-019-020-NJZ008>010-012>027-PAZ070-071-
101>106-021000-
/O.CON.KPHI.FF.A.0002.000000T0000Z-150602T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-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-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...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...
MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
347 PM EDT MON JUN 1 2015

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

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND 
  SOUTHEAST 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 AND WESTERN MONMOUTH. IN SOUTHEAST PENNSYLVANIA... 
  DELAWARE...EASTERN CHESTER...EASTERN MONTGOMERY...LOWER 
  BUCKS...PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND 
  WESTERN MONTGOMERY. 

* THROUGH LATE TONIGHT.

* SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH TONIGHT. SOME OF
  THE STORMS WILL CONTAIN TORRENTIAL RAIN WHICH MAY LEAD TO FLASH
  FLOODING. AVERAGE RAINFALL AMOUNTS AROUND AN INCH ARE EXPECTED,
  HOWEVER LOCALIZED AMOUNTS IN EXCESS OF 3 INCHES ARE POSSIBLE IN
  HEAVIER THUNDERSTORMS. RAINFALL RATES NEAR 2 INCHES PER HOUR ARE
  EXPECTED IN HEAVIER THUNDERSTORMS. IF THE STORM DRAINS BECOME
  CLOGGED, THIS WILL LIKELY ENHANCE THE LOCAL FLOODING ON THE
  ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO A RAPID RISE OF WATER TO DANGEROUS LEVELS. FLASH FLOODING IS A
VERY DANGEROUS SITUATION.

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

&&

$$
959 
WGUS61 KPHI 020751
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
351 AM EDT TUE JUN 2 2015


DEZ001>004-MDZ008-012-015-019-020-NJZ008>010-012>027-PAZ070-071-
101>106-021000-
/O.CON.KPHI.FF.A.0002.000000T0000Z-150602T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-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-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...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...
MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
351 AM EDT TUE JUN 2 2015

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND 
  SOUTHEAST 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 AND WESTERN MONMOUTH. IN SOUTHEAST PENNSYLVANIA... 
  DELAWARE...EASTERN CHESTER...EASTERN MONTGOMERY...LOWER 
  BUCKS...PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND 
  WESTERN MONTGOMERY. 

* UNTIL 6 AM EDT EARLY THIS MORNING

* LINGERING SHOWERS WILL CONTINUE EARLY THIS MORNING AND WILL
  IMPACT AREAS THAT HAVE RECEIVED COPIOUS AMOUNTS OF RAINFALL OVER
  THE LAST TWO DAYS. ANY ADDITIONAL RAINFALL COULD EXACERBATE
  FLOODING PROBLEMS IN SOME AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO A RAPID RISE OF WATER TO DANGEROUS LEVELS. FLASH FLOODING IS A
VERY DANGEROUS SITUATION.

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

&&

$$
363 
WGUS61 KPHI 020938
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
538 AM EDT TUE JUN 2 2015


DEZ001>004-MDZ008-012-015-019-020-NJZ008>010-012>027-PAZ070-071-
101>106-021045-
/O.EXP.KPHI.FF.A.0002.000000T0000Z-150602T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-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-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...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...
MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...WEST CHESTER...
KENNETT SQUARE...COLLEGEVILLE...POTTSTOWN...NORRISTOWN...
LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...DOYLESTOWN
538 AM EDT TUE JUN 2 2015

...FLASH FLOOD WATCH WILL EXPIRE AT 6 AM EDT EARLY THIS MORNING...

THE FLASH FLOOD WATCH FOR PORTIONS OF DELAWARE...NORTHEAST
MARYLAND...NEW JERSEY AND SOUTHEAST PENNSYLVANIA WILL EXPIRE AT
6 AM EDT EARLY THIS MORNING. 

SOME LIGHT RAIN CONTINUES EARLY THIS MORNING ACROSS PORTIONS OF
THE AREA, BUT THE HEAVY RAIN THREAT HAS ENDED SO THE FLASH FLOOD
WATCH WILL BE ALLOWED TO EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:13 PM EDTFlash Flood WarningPHISomerset5 hr
May 31, 8:43 PM EDTSpecial Weather StatementPHIHunterdon62 min
May 31, 9:06 PM EDTFlash Flood WarningPHIHunterdon5 hr
Jun 1, 1:57 AM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset, Warren3 hr
Jun 1, 2:17 AM EDTSpecial Weather StatementPHICamden, Gloucester, Mercer, Salem43 min
Jun 1, 2:55 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Mercer2 hr
Jun 1, 3:20 AM EDTAreal Flood AdvisoryPHIMercer, Middlesex, Monmouth, Somerset115 min
Jun 1, 3:35 AM EDTSpecial Weather StatementPHIAtlantic, Monmouth, Ocean25 min
Jun 1, 5:56 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester3 hr
Jun 1, 10:05 AM EDTAreal Flood AdvisoryPHIMiddlesex, Somerset4 hr
Jun 1, 10:11 AM EDTSmall Craft AdvisoryPHI4 days
Jun 1, 2:28 PM EDTSpecial Weather StatementPHIBurlington, Camden, Cumberland, Gloucester, Salem32 min
Jun 1, 3:04 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester56 min
Jun 1, 3:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington46 min
Jun 1, 3:42 PM EDTFlash Flood WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem6 hr
Jun 1, 3:56 PM EDTSpecial Weather StatementPHIAtlantic, Cape May79 min
Jun 1, 4:26 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Ocean3 hr
Jun 1, 4:32 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem43 min
Jun 1, 4:37 PM EDTTornado WarningPHISalem23 min
Jun 1, 5:27 PM EDTAreal Flood AdvisoryPHICumberland, Gloucester, Salem3 hr
Jun 1, 5:34 PM EDTAreal Flood AdvisoryPHICape May3 hr
Jun 1, 7:18 PM EDTFlash Flood WarningPHICumberland3 hr
Jun 1, 7:26 PM EDTSpecial Marine WarningPHI34 min
Jun 1, 7:54 PM EDTSpecial Weather StatementPHIAtlantic, Cape May111 min
May 31, 9:44 PM EDTAreal Flood AdvisoryPHIBucks5 hr
May 31, 11:10 PM EDTSpecial Weather StatementPHILebanon65 min
May 31, 11:47 PM EDTSpecial Weather StatementPHIChester58 min
May 31, 11:59 PM EDTSpecial Weather StatementPHIBerks31 min
Jun 1, 12:14 AM EDTSpecial Weather StatementPHIChester31 min
Jun 1, 12:21 AM EDTAreal Flood AdvisoryPHIBerks, Chester, Lehigh, Montgomery114 min
Jun 1, 12:44 AM EDTSpecial Weather StatementPHIChester, Montgomery46 min
Jun 1, 1:28 AM EDTSpecial Weather StatementPHIBucks, Delaware, Montgomery, Philadelphia47 min
Jun 1, 2:14 PM EDTSpecial Weather StatementPHIChester61 min
Jun 1, 2:43 PM EDTSevere Thunderstorm WarningPHIChester32 min
Jun 1, 4:55 PM EDTAreal Flood AdvisoryPHIDelaware, Montgomery, Philadelphia3 hr
Jun 1, 3:13 AM EDTAreal Flood AdvisoryPHINew Castle3 hr
Jun 1, 4:35 PM EDTFlash Flood WarningPHINew Castle3 hr
Jun 1, 6:11 PM EDTAreal Flood AdvisoryPHIKent, New Castle6 hr
Jun 1, 6:29 PM EDTFlash Flood WarningPHINew Castle3 hr
Jun 1, 6:53 PM EDTSevere Thunderstorm WarningPHIKent, New Castle37 min
Jun 1, 5:35 PM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's70 min
Jun 1, 5:56 PM EDTAreal Flood AdvisoryPHICecil, Kent, Queen Anne's6 hr

Nearby

Flash Flood Watches in New Jersey, 2015Flash Flood Watches in Pennsylvania, 2015Flash Flood Watches in Maryland, 2015Every flash flood watch in 2015

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.