Alert archive / New Jersey / Flash Flood Watches in 2011

Flash Flood Watch 4, NWS Philadelphia/Mount Holly

July 8, 20114 states

NWS Philadelphia/Mount Holly issued this flash flood watch at Jul 8, 2011, 3:58 AM EDT for 4 states. It took effect at Jul 8, 2011, 12:00 PM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jul 8, 2011, 3:58 AM EDT (07:58 UTC)
In effect from
Jul 8, 2011, 12:00 PM EDT
Expired
Jul 8, 2011, 10:35 PM EDT
In force
11 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None
All 31 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, Carbon County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 07:58 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, 8.0 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 2011-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 276 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 2011-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.193958Sfc1 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
276 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
2030 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
-11 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.

815 
WGUS61 KPHI 080758
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
358 AM EDT FRI JUL 8 2011

...THERE IS A POTENTIAL FOR FLASH FLOODING THIS AFTERNOON INTO
EARLY TONIGHT...

.LOW PRESSURE MOVING ALONG A STATIONARY FRONT...HIGH MOISTURE
LEVELS THROUGH A DEEP LAYER IN THE ATMOSPHERE...AND SLOW-MOVING
STORMS MAY CAUSE FLASH FLOODING.

DEZ001>004-MDZ008-012-015-019-020-NJZ009-010-012>027-PAZ067>071-
082000-
/O.NEW.KPHI.FF.A.0004.110708T1600Z-110709T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-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-CHESTER-MONTGOMERY-BUCKS-DELAWARE-
PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...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...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
358 AM EDT FRI JUL 8 2011

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLASH FLOOD WATCH 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... 
  NORTHWESTERN BURLINGTON...OCEAN...SALEM...SOMERSET... 
  SOUTHEASTERN BURLINGTON AND WESTERN MONMOUTH. IN SOUTHEAST 
  PENNSYLVANIA...BUCKS...CHESTER...DELAWARE...MONTGOMERY AND 
  PHILADELPHIA. 

* FROM NOON EDT TODAY THROUGH LATE TONIGHT

* LOW PRESSURE WILL MOVE ALONG A STATIONARY FRONT IN THE MID-
  ATLANTIC REGION THIS AFTERNOON AND THIS EVENING. RESULTING
  THUNDERSTORMS MAY YIELD RAINFALL RATES EXCEEDING 2 INCHES IN
  LESS THAN AN HOUR. ADDITIONAL THUNDERSTORMS MAY TRACK ACROSS THE
  SAME AREAS...RESULTING IN FLASH FLOODING.

* HEAVY RAIN OVER URBAN AREAS AS WELL AS OVER HEAVILY TRAVELLED
  HIGHWAYS IN THE I-95 CORRIDOR MAY BE ESPECIALLY VULNERABLE...IF
  HEAVY RAIN INDEED IMPACTS THESE LOCATIONS.

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.

&&

$$
4 follow-up statements
360 
WGUS61 KPHI 081906
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
306 PM EDT FRI JUL 8 2011

...THERE IS A POTENTIAL FOR FLASH FLOODING TONIGHT...

.LOW PRESSURE MOVING ALONG A STATIONARY FRONT...HIGH MOISTURE
LEVELS THROUGH A DEEP LAYER IN THE ATMOSPHERE...AND SLOW-MOVING
STORMS MAY CAUSE FLASH FLOODING.

DEZ001>004-MDZ008-012-015-019-020-NJZ009-010-012>027-PAZ067>071-
090315-
/O.CON.KPHI.FF.A.0004.000000T0000Z-110709T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-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-CHESTER-MONTGOMERY-BUCKS-DELAWARE-
PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...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...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
306 PM EDT FRI JUL 8 2011

...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...NORTHWESTERN BURLINGTON... 
  OCEAN...SALEM...SOMERSET...SOUTHEASTERN BURLINGTON AND WESTERN 
  MONMOUTH. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER... 
  DELAWARE...MONTGOMERY AND PHILADELPHIA. 

* THROUGH LATE TONIGHT

* LOW PRESSURE WILL MOVE ALONG A STATIONARY FRONT IN THE MID- 
  ATLANTIC REGION THIS AFTERNOON AND THIS EVENING. RESULTING 
  THUNDERSTORMS MAY YIELD RAINFALL RATES EXCEEDING 2 INCHES IN 
  LESS THAN AN HOUR. ADDITIONAL THUNDERSTORMS MAY TRACK ACROSS 
  THE SAME AREAS...RESULTING IN FLASH FLOODING. 

* HEAVY RAIN OVER URBAN AREAS AS WELL AS OVER HEAVILY TRAVELLED 
  HIGHWAYS IN THE I-95 CORRIDOR MAY BE ESPECIALLY VULNERABLE... 
  IF HEAVY RAIN INDEED IMPACTS THESE LOCATIONS. 

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.

&&

$$
837 
WGUS61 KPHI 082116
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
516 PM EDT FRI JUL 8 2011

...THERE IS A POTENTIAL FOR FLASH FLOODING TONIGHT...

.LOW PRESSURE MOVING ALONG A STATIONARY FRONT...HIGH MOISTURE
LEVELS THROUGH A DEEP LAYER IN THE ATMOSPHERE...AND SLOW-MOVING
STORMS MAY CAUSE FLASH FLOODING.

NJZ001-007-008-PAZ054-055-060>062-090530-
/O.EXA.KPHI.FF.A.0004.000000T0000Z-110709T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON
516 PM EDT FRI JUL 8 2011

...FLASH FLOOD WATCH IN EFFECT UNTIL 4 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF NORTHERN NEW JERSEY 
  AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
  NEW JERSEY...MORRIS...SUSSEX AND WARREN. IN PENNSYLVANIA... 
  BERKS...CARBON...LEHIGH...MONROE AND NORTHAMPTON. 

* UNTIL 4 AM EDT SATURDAY

* LOW PRESSURE WILL MOVE ALONG A STATIONARY FRONT IN THE MID-
  ATLANTIC REGION THIS AFTERNOON AND THIS EVENING. RESULTING
  THUNDERSTORMS MAY YIELD RAINFALL RATES EXCEEDING 2 INCHES IN
  LESS THAN AN HOUR. ADDITIONAL THUNDERSTORMS MAY TRACK ACROSS THE
  SAME AREAS...RESULTING IN FLASH FLOODING. ISOLATED STORM TOTALS
  MAY REACH 3 OR 4 INCHES BY 8 PM TONIGHT.

* HEAVY RAIN HAS ALREADY CAUSED FLOODING IN PORTIONS OF NORTHERN
  NEW JERSEY AND NORTHEAST PENNSYLVANIA. WHILE HEAVY RAINS WILL
  END THIS EVENING...RESIDUAL LEFTOVER FLOODING MAY NOT SUBSIDE
  UNTIL SOMETIME DURING THE NIGHT. 

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>004-MDZ008-012-015-019-020-NJZ009-010-012>027-PAZ067>071-
090530-
/O.CON.KPHI.FF.A.0004.000000T0000Z-110709T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-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-CHESTER-MONTGOMERY-BUCKS-DELAWARE-
PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...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...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA
516 PM EDT FRI JUL 8 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 4 AM EDT SATURDAY...

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...NORTHWESTERN BURLINGTON... 
  OCEAN...SALEM...SOMERSET...SOUTHEASTERN BURLINGTON AND WESTERN 
  MONMOUTH. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER... 
  DELAWARE...MONTGOMERY AND PHILADELPHIA. 

* UNTIL 4 AM EDT SATURDAY

* LOW PRESSURE WILL MOVE ALONG A STATIONARY FRONT IN THE MID- 
  ATLANTIC REGION THIS AFTERNOON AND THIS EVENING. RESULTING 
  THUNDERSTORMS MAY YIELD RAINFALL RATES EXCEEDING 2 INCHES IN 
  LESS THAN AN HOUR. ADDITIONAL THUNDERSTORMS MAY TRACK ACROSS 
  THE SAME AREAS...RESULTING IN FLASH FLOODING. 

* HEAVY RAIN OVER URBAN AREAS AS WELL AS OVER HEAVILY TRAVELED 
  HIGHWAYS IN THE I-95 CORRIDOR MAY BE ESPECIALLY VULNERABLE... 
  IF HEAVY RAIN INDEED IMPACTS THESE LOCATIONS. 

* THE HEAVIEST RAIN WILL SUBSIDE IN EASTERN PENNSYLVANIA THIS
  EVENING BUT SHIFT INTO MUCH OF DELAWARE AND SOUTHERN NEW JERSEY.  

* ISOLATED STORM TOTALS MAY REACH 3 OR 4 INCHES BY 10 PM TONIGHT. 

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.

&&

$$
DRAG
739 
WGUS61 KPHI 090005
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
805 PM EDT FRI JUL 8 2011

...THERE IS STILL POTENTIAL FOR FLASH FLOODING TONIGHT...

.LOW PRESSURE MOVING ALONG A STATIONARY FRONT...HIGH MOISTURE
LEVELS THROUGH A DEEP LAYER IN THE ATMOSPHERE...AND SLOW-MOVING
STORMS MAY CAUSE FLASH FLOODING.

DEZ001-002-MDZ008-012-015-019-020-NJZ001-007>010-012>019-021-
PAZ054-055-060>062-067>071-090115-
/O.CAN.KPHI.FF.A.0004.000000T0000Z-110709T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-
WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-CUMBERLAND-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON...
CHESTERTOWN...CENTREVILLE...EASTON...DENTON...NEWTON...
WASHINGTON...MORRISTOWN...FLEMINGTON...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
MILLVILLE...JIM THORPE...STROUDSBURG...READING...ALLENTOWN...
BETHLEHEM...WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA...
PHILADELPHIA
805 PM EDT FRI JUL 8 2011

...FLASH FLOOD WATCH IS CANCELLED...

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

NO ADDITIONAL FLASH FLOODING IS EXPECTED AND THE WATCH HAS BEEN
CANCELLED.


$$

DEZ003-004-NJZ020-022>027-090800-
/O.CON.KPHI.FF.A.0004.000000T0000Z-110709T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INLAND SUSSEX-DELAWARE BEACHES-OCEAN-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH...JACKSON...
HAMMONTON...CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST
805 PM EDT FRI JUL 8 2011

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 4 AM EDT SATURDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHERN DELAWARE AND SOUTHERN NEW JERSEY... 
  INCLUDING THE FOLLOWING AREAS...IN SOUTHERN DELAWARE... 
  DELAWARE BEACHES AND INLAND SUSSEX. IN SOUTHERN NEW JERSEY... 
  ATLANTIC...ATLANTIC COASTAL CAPE MAY...CAPE MAY...COASTAL 
  ATLANTIC...COASTAL OCEAN...OCEAN AND SOUTHEASTERN BURLINGTON. 

* UNTIL 4 AM EDT SATURDAY

* LOW PRESSURE IN DELAWARE THIS EVENING IS CAUSING HEAVY SHORT
  TERM RAINS IN THIS REGION WITH 1 TO 2 INCHES POSSIBLE IN AN
  HOURS TIME. THE THREAT OF FLASH FLOODING WILL END LATER TONIGHT
  AS THE LOW PRESSURE CENTER IN DELAWARE MOVES OUT TO SEA.

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.

&&

$$

DRAG
203 
WGUS61 KPHI 090235
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1035 PM EDT FRI JUL 8 2011

DEZ003-004-NJZ020-022>027-090345-
/O.CAN.KPHI.FF.A.0004.000000T0000Z-110709T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
INLAND SUSSEX-DELAWARE BEACHES-OCEAN-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...GEORGETOWN...REHOBOTH BEACH...JACKSON...
HAMMONTON...CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST
1035 PM EDT FRI JUL 8 2011

...FLASH FLOOD WATCH IS CANCELLED...

AT 1030 PM, THE HEAVY RAIN WAS CONTINUING TO MOVE OFF THE COAST.
AS A RESULT, THE FLASH FLOOD WATCH HAS BEEN CANCELLED.

$$

IOVINO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 2:12 PM EDTSpecial Weather StatementPHINew Castle93 min
Jul 8, 2:25 PM EDTAreal Flood AdvisoryPHINew Castle7 hr
Jul 8, 4:17 PM EDTSpecial Weather StatementPHIKent, Sussex88 min
Jul 8, 5:44 PM EDTFlash Flood WarningPHINew Castle3 hr
Jul 8, 5:53 PM EDTSevere Thunderstorm WarningPHIKent82 min
Jul 8, 6:02 PM EDTAreal Flood AdvisoryPHIKent, New Castle, Sussex4 hr
Jul 8, 6:23 PM EDTSevere Thunderstorm WarningPHIKent, Sussex82 min
Jul 8, 7:46 PM EDTSpecial Weather StatementPHISussex59 min
Jul 8, 7:49 PM EDTSevere Thunderstorm WarningPHISussex56 min
Jul 7, 8:40 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland80 min
Jul 7, 8:42 PM EDTSpecial Marine WarningPHI2 hr
Jul 7, 10:07 PM EDTSpecial Weather StatementPHICape May53 min
Jul 7, 10:55 PM EDTSevere Thunderstorm WarningPHIWarren28 min
Jul 8, 4:34 AM EDTSpecial Weather StatementPHIHunterdon56 min
Jul 8, 12:03 PM EDTSpecial Weather StatementPHIAtlantic57 min
Jul 8, 12:56 PM EDTSpecial Weather StatementPHIAtlantic, Camden, Gloucester64 min
Jul 8, 2:23 PM EDTSpecial Weather StatementPHIWarren82 min
Jul 8, 2:51 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Warren54 min
Jul 8, 2:56 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer3 hr
Jul 8, 3:03 PM EDTSpecial Weather StatementPHIMercer57 min
Jul 8, 3:14 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Somerset66 min
Jul 8, 3:33 PM EDTAreal Flood AdvisoryPHIMercer, Middlesex, Somerset3 hr
Jul 8, 3:44 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren76 min
Jul 8, 3:48 PM EDTFlash Flood WarningPHICamden3 hr
Jul 8, 3:51 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset, Sussex, Warren69 min
Jul 8, 4:10 PM EDTFlash Flood WarningPHIHunterdon, Morris, Somerset, Sussex, Warren3 hr
Jul 8, 4:42 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren78 min
Jul 8, 4:50 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden70 min
Jul 8, 5:03 PM EDTFlash Flood WarningPHISussex117 min
Jul 8, 5:03 PM EDTTornado WarningPHIAtlantic, Burlington, Camden27 min
Jul 8, 5:33 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more3 hr
Jul 8, 6:32 PM EDTSpecial Marine WarningPHI58 min
Jul 8, 7:13 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Ocean77 min
Jul 8, 7:24 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean3 hr
Jul 8, 7:26 PM EDTSpecial Marine WarningPHI64 min
Jul 8, 7:50 PM EDTSpecial Marine WarningPHI55 min
Jul 8, 4:29 PM EDTAreal Flood AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot4 hr
Jul 7, 8:56 PM EDTSpecial Weather StatementPHICarbon94 min
Jul 7, 9:10 PM EDTSevere Thunderstorm WarningPHICarbon67 min
Jul 7, 9:47 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Northampton73 min
Jul 8, 2:40 AM EDTSpecial Weather StatementPHIBerks65 min
Jul 8, 2:48 PM EDTSevere Thunderstorm WarningPHIMonroe57 min
Jul 8, 3:35 PM EDTSpecial Weather StatementPHIMontgomery55 min
Jul 8, 3:40 PM EDTAreal Flood AdvisoryPHIBerks, Lehigh, Northampton3 hr
Jul 8, 3:45 PM EDTFlash Flood WarningPHIPhiladelphia3 hr
Jul 8, 4:18 PM EDTFlash Flood WarningPHIMonroe2 hr

Nearby

Flash Flood Watches in New Jersey, 2011Flash Flood Watches in Pennsylvania, 2011Flash Flood Watches in Maryland, 2011Every flash flood watch in 2011

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.