Alert archive / New Jersey / Flash Flood Watches in 2006

Flash Flood Watch 6, NWS Philadelphia/Mount Holly

July 21, 20064 states

NWS Philadelphia/Mount Holly issued this flash flood watch at Jul 21, 2006, 2:56 PM EDT for 4 states. It took effect at Jul 22, 2006, 2:52 AM EDT. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued
Jul 21, 2006, 2:56 PM EDT (18:56 UTC)
In effect from
Jul 22, 2006, 2:52 AM EDT
Expired
Jul 23, 2006, 4:00 AM EDT
In force
25 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 18:56 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 12:00Z, 6.9 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 12:00Z on 2006-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1155 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 12:00Z on 2006-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
1155 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
869 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
36 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.

000 
WGUS61 KPHI 211856
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
256 PM EDT FRI JUL 21 2006

...FLASH FLOODING IS POSSIBLE SATURDAY AFTERNOON AND EVENING...

.SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP SATURDAY AND
THESE THUNDERSTORMS COULD CONTAIN TORRENTIAL DOWNPOURS CAPABLE OF
PRODUCING FLASH FLOODING.

DEZ001-MDZ008-NJZ015>019-PAZ060-061-067>071-220300-
/O.NEW.KPHI.FF.A.0006.060722T1600Z-060723T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-BERKS-LEHIGH-CHESTER-MONTGOMERY-BUCKS-
DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...ELKTON...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...READING...ALLENTOWN...WEST CHESTER...NORRISTOWN...
DOYLESTOWN...MEDIA
256 PM EDT FRI JUL 21 2006

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...
  NORTHEAST MARYLAND...CENTRAL NEW JERSEY...SOUTHERN NEW 
  JERSEY...EAST CENTRAL PENNSYLVANIA AND SOUTHEAST 
  PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
  DELAWARE...NEW CASTLE IN NORTHEAST MARYLAND...CECIL IN CENTRAL 
  NEW JERSEY...MERCER IN SOUTHERN NEW JERSEY...CAMDEN...
  GLOUCESTER...NORTHWESTERN BURLINGTON AND SALEM IN EAST CENTRAL 
  PENNSYLVANIA...BERKS AND LEHIGH IN SOUTHEAST PENNSYLVANIA...
  BUCKS...CHESTER...DELAWARE...MONTGOMERY AND PHILADELPHIA.

* FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING

* A COLD FRONT WILL MOVE DOWN FROM THE GREAT LAKES REGION AND
  REACH THE DELAWARE VALLEY SATURDAY EVENING. THUNDERSTORMS ARE
  EXPECTED WITH THE COLD FRONT AND ANY OF THESE THUNDERSTORMS
  COULD PRODUCE TORRENTIAL DOWNPOURS WITH RAINFALL OF 2 INCHES IN
  AN HOURS TIME. WHEN RAINFALL RATES ARE THIS HIGH...THERE WOULD
  BE RAPID RUNOFF CAPABLE OF PRODUCING FLASH FLOODING.

A FLOOD FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY
RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING ALONG
STREAMS AND CREEKS. IF YOU ARE IN THE WATCH AREA...CHECK YOUR
PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR
ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$

STAUBER/WN
5 follow-up statements
000 
WGUS61 KPHI 220041
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
841 PM EDT FRI JUL 21 2006

...FLASH FLOODING IS POSSIBLE SATURDAY AFTERNOON AND EVENING...

.SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ON SATURDAY AND
THESE THUNDERSTORMS COULD CONTAIN TORRENTIAL DOWNPOURS CAPABLE OF
PRODUCING FLASH FLOODING.

DEZ001-MDZ008-NJZ015>019-PAZ060-061-067>071-221100-
/O.CON.KPHI.FF.A.0006.060722T1600Z-060723T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-BERKS-LEHIGH-CHESTER-MONTGOMERY-BUCKS-
DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...ELKTON...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...READING...ALLENTOWN...WEST CHESTER...NORRISTOWN...
DOYLESTOWN...MEDIA
841 PM EDT FRI JUL 21 2006

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL 
  NEW JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA 
  AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...
  IN NORTHERN DELAWARE...NEW CASTLE IN NORTHEAST MARYLAND...
  CECIL IN CENTRAL NEW JERSEY...MERCER IN SOUTHERN NEW JERSEY...
  CAMDEN...GLOUCESTER...NORTHWESTERN BURLINGTON AND SALEM IN 
  EAST CENTRAL PENNSYLVANIA...BERKS AND LEHIGH IN SOUTHEAST 
  PENNSYLVANIA...BUCKS...CHESTER...DELAWARE...MONTGOMERY AND 
  PHILADELPHIA.

* FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING

* A COLD FRONT WILL MOVE SOUTH FROM THE GREAT LAKES AND REACH THE
  DELAWARE VALLEY BY SATURDAY EVENING. THUNDERSTORMS ARE EXPECTED
  TO DEVELOP WITH THE COLD FRONT AND ANY OF THESE THUNDERSTORMS
  COULD PRODUCE TORRENTIAL DOWNPOURS. RAINFALL AMOUNTS OF 2 INCHES
  IN AN HOURS TIME ARE POSSIBLE, WHICH COULD CAUSE RAPID RUNOFF
  CAPABLE OF PRODUCING FLASH FLOODING.

A FLOOD FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY
RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING ALONG
STREAMS AND CREEKS. IF YOU ARE IN THE WATCH AREA...CHECK YOUR
PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR ACTION
IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$

NIERENBERG
000 
WGUS61 KPHI 220652
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
252 AM EDT SAT JUL 22 2006

...FLASH FLOODING IS POSSIBLE TODAY AND EARLY TONIGHT...

.SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP TODAY AND THESE
THUNDERSTORMS COULD CONTAIN TORRENTIAL DOWNPOURS CAPABLE OF
PRODUCING FLASH FLOODING.

DEZ002>004-MDZ012-015-019-020-NJZ001-007>010-012>014-020>027-
PAZ054-055-062-222000-
/O.EXB.KPHI.FF.A.0006.060722T1200Z-060723T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT DE-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES-
TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-
CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-CARBON-MONROE-NORTHAMPTON-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
CHESTERTOWN...CENTREVILLE...EASTON...DENTON...NEWTON...
WASHINGTON...MORRISTOWN...FLEMINGTON...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...JACKSON...MILLVILLE...
HAMMONTON...CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY...
LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...BETHLEHEM
252 AM EDT SAT JUL 22 2006

...FLASH FLOOD WATCH IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF CENTRAL DELAWARE...
  SOUTHERN DELAWARE...EASTERN MARYLAND...NORTHEAST MARYLAND...
  CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...SOUTHERN NEW 
  JERSEY...EAST CENTRAL PENNSYLVANIA AND NORTHEAST 
  PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN CENTRAL 
  DELAWARE...KENT DE IN SOUTHERN DELAWARE...DELAWARE BEACHES AND 
  INLAND SUSSEX IN EASTERN MARYLAND...CAROLINE AND TALBOT IN 
  NORTHEAST MARYLAND...KENT MD AND QUEEN ANNES IN CENTRAL NEW 
  JERSEY...EASTERN MONMOUTH AND WESTERN MONMOUTH IN NORTHERN NEW 
  JERSEY...HUNTERDON...MIDDLESEX...MORRIS...SOMERSET...SUSSEX 
  AND WARREN IN SOUTHERN NEW JERSEY...ATLANTIC...ATLANTIC 
  COASTAL CAPE MAY...CAPE MAY...COASTAL ATLANTIC...COASTAL 
  OCEAN...CUMBERLAND...OCEAN AND SOUTHEASTERN BURLINGTON IN EAST 
  CENTRAL PENNSYLVANIA...NORTHAMPTON IN NORTHEAST PENNSYLVANIA...
  CARBON AND MONROE.

* FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING

* A COLD FRONT WILL MOVE SOUTH FROM THE GREAT LAKES AND REACH THE
  DELAWARE VALLEY BY THIS EVENING. THUNDERSTORMS ARE EXPECTED TO
  DEVELOP WITH THE COLD FRONT AND ANY OF THESE THUNDERSTORMS COULD
  PRODUCE TORRENTIAL DOWNPOURS. RAINFALL AMOUNTS OF 2 INCHES IN AN
  HOURS TIME ARE POSSIBLE... WHICH COULD CAUSE RAPID RUNOFF
  CAPABLE OF PRODUCING FLASH FLOODING.

A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY
RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING ALONG
STREAMS AND CREEKS. IF YOU ARE IN THE WATCH AREA...CHECK YOUR
PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR ACTION
IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$

DEZ001-MDZ008-NJZ015>019-PAZ060-061-067>071-222000-
/O.EXT.KPHI.FF.A.0006.060722T1200Z-060723T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-BERKS-LEHIGH-CHESTER-MONTGOMERY-BUCKS-
DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...ELKTON...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...READING...ALLENTOWN...WEST CHESTER...NORRISTOWN...
DOYLESTOWN...MEDIA
252 AM EDT SAT JUL 22 2006

...FLASH FLOOD WATCH NOW IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL 
  NEW JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA 
  AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...
  IN NORTHERN DELAWARE...NEW CASTLE IN NORTHEAST MARYLAND...
  CECIL IN CENTRAL NEW JERSEY...MERCER IN SOUTHERN NEW JERSEY...
  CAMDEN...GLOUCESTER...NORTHWESTERN BURLINGTON AND SALEM IN 
  EAST CENTRAL PENNSYLVANIA...BERKS AND LEHIGH IN SOUTHEAST 
  PENNSYLVANIA...BUCKS...CHESTER...DELAWARE...MONTGOMERY AND 
  PHILADELPHIA.

* FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING

* A COLD FRONT WILL MOVE SOUTH FROM THE GREAT LAKES AND REACH THE
  DELAWARE VALLEY BY THIS EVENING. THUNDERSTORMS ARE EXPECTED TO
  DEVELOP WITH THE COLD FRONT AND ANY OF THESE THUNDERSTORMS COULD
  PRODUCE TORRENTIAL DOWNPOURS. RAINFALL AMOUNTS OF 2 INCHES IN AN
  HOURS TIME ARE POSSIBLE... WHICH COULD CAUSE RAPID RUNOFF
  CAPABLE OF PRODUCING FLASH FLOODING.

A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY
RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING ALONG
STREAMS AND CREEKS. IF YOU ARE IN THE WATCH AREA...CHECK YOUR
PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR ACTION
IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$

OHARA
000 
WGUS61 KPHI 230042
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
842 PM EDT SAT JUL 22 2006

...FLASH FLOODING IS POSSIBLE THROUGH EARLY TONIGHT...

.SHOWERS AND SCATTERED THUNDERSTORMS COULD CONTAIN TORRENTIAL
DOWNPOURS CAPABLE OF PRODUCING FLASH FLOODING.

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-
055-060>062-067>071-230400-
/O.CON.KPHI.FF.A.0006.000000T0000Z-060723T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-KENT DE-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-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
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...WEST CHESTER...
NORRISTOWN...DOYLESTOWN...MEDIA
842 PM EDT SAT JUL 22 2006

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL DELAWARE...NORTHERN DELAWARE...SOUTHERN 
  DELAWARE...EASTERN MARYLAND...NORTHEAST MARYLAND...CENTRAL NEW 
  JERSEY...NORTHERN NEW JERSEY...SOUTHERN NEW JERSEY...EAST 
  CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST 
  PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN CENTRAL 
  DELAWARE...KENT DE IN NORTHERN DELAWARE...NEW CASTLE IN 
  SOUTHERN DELAWARE...DELAWARE BEACHES AND INLAND SUSSEX IN 
  EASTERN MARYLAND...CAROLINE AND TALBOT IN NORTHEAST MARYLAND...
  CECIL...KENT MD AND QUEEN ANNES IN CENTRAL NEW JERSEY...
  EASTERN MONMOUTH...MERCER AND WESTERN MONMOUTH IN NORTHERN NEW 
  JERSEY...HUNTERDON...MIDDLESEX...MORRIS...SOMERSET...SUSSEX 
  AND WARREN IN SOUTHERN NEW JERSEY...ATLANTIC...ATLANTIC 
  COASTAL CAPE MAY...CAMDEN...CAPE MAY...COASTAL ATLANTIC...
  COASTAL OCEAN...CUMBERLAND...GLOUCESTER...NORTHWESTERN 
  BURLINGTON...OCEAN...SALEM AND SOUTHEASTERN BURLINGTON IN EAST 
  CENTRAL PENNSYLVANIA...BERKS...LEHIGH AND NORTHAMPTON IN 
  NORTHEAST PENNSYLVANIA...CARBON AND MONROE IN SOUTHEAST 
  PENNSYLVANIA...BUCKS...CHESTER...DELAWARE...MONTGOMERY AND 
  PHILADELPHIA.

* UNTIL MIDNIGHT EDT TONIGHT

* SHOWERS AND THUNDERSTORMS ACCOMPANYING A COLD FRONT WILL
  CONTINUE TO CROSS THE DELAWARE VALLEY THIS EVENING. TORRENTIAL
  DOWNPOURS MAY OCCUR WITH SOME OF THE STORMS PRODUCING UP TO 2
  INCHES ADDITIONAL RAINFALL IN A SHORT TIME PERIOD. THIS COULD
  CAUSE RAPID RUNOFF CAPABLE OF PRODUCING FLASH FLOODING.


A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY
RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING ALONG
STREAMS AND CREEKS. IF YOU ARE IN THE WATCH AREA...CHECK YOUR
PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR
ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$

RNS/RPW
000 
WGUS61 KPHI 230153
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
953 PM EDT SAT JUL 22 2006

DEZ001-MDZ008-NJZ001-007>010-012>020-026-027-PAZ054-055-060>062-
067>071-230300-
/O.CAN.KPHI.FF.A.0006.000000T0000Z-060723T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-CECIL-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-
MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-
GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...ELKTON...NEWTON...
WASHINGTON...MORRISTOWN...FLEMINGTON...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...SANDY HOOK...TRENTON...PENNSVILLE...
GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY...
JACKSON...LONG BEACH ISLAND...WHARTON STATE FOREST...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...EASTON...
WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA
953 PM EDT SAT JUL 22 2006

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...
NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...
SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST
PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA HAS BEEN CANCELLED.  
THE THREAT FOR FLASH FLOODING HAS ENDED AND THE WATCH HAS BEEN 
CANCELLED.


$$

DEZ002>004-MDZ012-015-019-020-NJZ021>025-230800-
/O.EXT.KPHI.FF.A.0006.000000T0000Z-060723T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT DE-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES-
TALBOT-CAROLINE-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
CHESTERTOWN...CENTREVILLE...EASTON...DENTON...MILLVILLE...
HAMMONTON...CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY
953 PM EDT SAT JUL 22 2006

...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 4 AM EDT SUNDAY...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF CENTRAL DELAWARE...SOUTHERN DELAWARE...EASTERN 
  MARYLAND...NORTHEAST MARYLAND AND SOUTHERN NEW JERSEY...
  INCLUDING THE FOLLOWING AREAS...IN CENTRAL DELAWARE...KENT DE 
  IN SOUTHERN DELAWARE...DELAWARE BEACHES AND INLAND SUSSEX IN 
  EASTERN MARYLAND...CAROLINE AND TALBOT IN NORTHEAST MARYLAND...
  KENT MD AND QUEEN ANNES IN SOUTHERN NEW JERSEY...ATLANTIC...
  ATLANTIC COASTAL CAPE MAY...CAPE MAY...COASTAL ATLANTIC AND 
  CUMBERLAND.

* UNTIL 4 AM EDT SUNDAY

* SHOWERS AND THUNDERSTORMS ACCOMPANYING A COLD FRONT WILL 
  CONTINUE TO CROSS THE DELAWARE VALLEY THIS EVENING. TORRENTIAL 
  DOWNPOURS MAY OCCUR WITH SOME OF THE STORMS PRODUCING UP TO 2 
  INCHES ADDITIONAL RAINFALL IN A SHORT TIME PERIOD. THIS COULD 
  CAUSE RAPID RUNOFF CAPABLE OF PRODUCING FLASH FLOODING.  

  A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
  HEAVY RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING
  ALONG STREAMS AND CREEKS. IF YOU ARE IN THE WATCH AREA...CHECK
  YOUR PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR
  ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED.

$$

TFG
000 
WGUS61 KPHI 230807
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
407 AM EDT SUN JUL 23 2006


DEZ002>004-MDZ012-015-019-020-NJZ021>025-230915-
/O.EXP.KPHI.FF.A.0006.000000T0000Z-060723T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT DE-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES-
TALBOT-CAROLINE-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
INCLUDING THE CITIES OF...DOVER...GEORGETOWN...REHOBOTH BEACH...
CHESTERTOWN...CENTREVILLE...EASTON...DENTON...MILLVILLE...
HAMMONTON...CAPE MAY COURT HOUSE...OCEAN CITY...ATLANTIC CITY
407 AM EDT SUN JUL 23 2006

...FLASH FLOOD WATCH HAS EXPIRED...

THE FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL DELAWARE...SOUTHERN
DELAWARE...EASTERN MARYLAND...NORTHEAST MARYLAND AND SOUTHERN NEW
JERSEY HAS EXPIRED. THE THREAT FOR FLOODING RAIN HAS ENDED.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 2:54 PM EDTSevere Thunderstorm WarningPHIBurlington36 min
Jul 21, 3:41 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean26 min
Jul 21, 3:57 PM EDTSevere Thunderstorm WarningPHIMiddlesex33 min
Jul 21, 5:08 PM EDTSpecial Marine WarningPHI52 min
Jul 21, 5:13 PM EDTSevere Thunderstorm WarningPHICumberland33 min
Jul 21, 5:33 PM EDTFlash Flood WarningPHISomerset3 hr
Jul 21, 6:56 PM EDTFlash Flood WarningPHIMiddlesex, Somerset3 hr
Jul 21, 7:07 PM EDTSevere Thunderstorm WarningPHIHunterdon29 min
Jul 21, 7:31 PM EDTFlash Flood WarningPHIHunterdon3 hr
Jul 21, 3:26 PM EDTFlash Flood WarningPHICecil2 hr

Nearby

Flash Flood Watches in New Jersey, 2006Flash Flood Watches in Pennsylvania, 2006Flash Flood Watches in Maryland, 2006Every flash flood watch in 2006

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.