Alert archive / Pennsylvania / Flood Watches in 2014

Flood Watch 3, NWS Philadelphia/Mount Holly

March 28, 201410 counties in Pennsylvania; 7 counties in New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this flood watch at Mar 28, 2014, 3:21 PM EDT for 10 counties in Pennsylvania; 7 counties in New Jersey; New Castle County, Delaware. It took effect at Mar 29, 2014, 2:00 PM EDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Mar 28, 2014, 3:21 PM EDT (19:21 UTC)
In effect from
Mar 29, 2014, 2:00 PM EDT
Expired
Mar 31, 2014, 2:00 AM EDT
In force
36 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None

Counties New Castle County, DE, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 87 km from the middle of the area, began a volume at 19:22 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.4 hours before the alert went out and 137 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, Phillips Aaf/Abe, MD at 12:00Z on 2014-03-28Temperature 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, Phillips Aaf/Abe, MD at 12:00Z on 2014-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 335 square meters per square second.1939587897117Sfc1 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
828 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
335 m²/s²
0-3 km storm-relative helicity
371 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.

653 
WGUS61 KPHI 281921
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
321 PM EDT FRI MAR 28 2014


DEZ001-NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-
290330-
/O.NEW.KPHI.FA.A.0003.140329T1800Z-140331T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-DELAWARE-
PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...NEWTON...WASHINGTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
321 PM EDT FRI MAR 28 2014

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND 
  PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
  DELAWARE...NEW CASTLE. IN NEW JERSEY...HUNTERDON...MERCER... 
  MIDDLESEX...MORRIS...SOMERSET...SUSSEX AND WARREN. IN 
  PENNSYLVANIA...BERKS...CARBON...DELAWARE...EASTERN CHESTER... 
  EASTERN MONTGOMERY...LEHIGH...LOWER BUCKS...MONROE... 
  NORTHAMPTON...PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND 
  WESTERN MONTGOMERY. 

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* WIDESPREAD RAIN AMOUNTS OF 1 TO 3 INCHES IS EXPECTED TO MOVE
  INTO THE REGION LATE TOMORROW AFTERNOON AND CONTINUE THROUGH
  SATURDAY NIGHT. RAIN IS EXPECTED TO TAPER OFF SUNDAY
  MORNING...THOUGH SOME RIVERS MAY BE SLOW TO RESPOND SO THE FLOOD
  THREAT COULD CONTINUE FOR SEVERAL HOURS AFTER RAIN HAS ENDED. 

* THE MAJORITY OF THIS RAIN WILL OCCUR WITHIN A 12 HOUR PERIOD
  WHICH MAY CAUSE POOR DRAINAGE AREAS...URBAN AREAS...AND SMALL
  STREAMS TO FLOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$
6 follow-up statements
874 
WGUS61 KPHI 290125
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
925 PM EDT FRI MAR 28 2014

DEZ001-NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-
291330-
/O.CON.KPHI.FA.A.0003.140329T1800Z-140331T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-DELAWARE-
PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...NEWTON...WASHINGTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
925 PM EDT FRI MAR 28 2014

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

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND PENNSYLVANIA... 
  INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW 
  CASTLE. IN NEW JERSEY...HUNTERDON...MERCER...MIDDLESEX... 
  MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA... 
  BERKS...CARBON...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LEHIGH...LOWER BUCKS...MONROE...NORTHAMPTON... 
  PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN 
  MONTGOMERY. 

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* WIDESPREAD RAIN AMOUNTS OF 1 TO 3 INCHES IS EXPECTED TO MOVE 
  INTO THE REGION LATE TOMORROW AFTERNOON AND CONTINUE THROUGH 
  SATURDAY NIGHT. RAIN IS EXPECTED TO TAPER OFF SUNDAY MORNING...
   THOUGH SOME RIVERS MAY BE SLOW TO RESPOND SO THE FLOOD THREAT 
  COULD CONTINUE FOR SEVERAL HOURS AFTER RAIN HAS ENDED. 

* THE MAJORITY OF THIS RAIN WILL OCCUR WITHIN A 12 HOUR PERIOD 
  WHICH MAY CAUSE POOR DRAINAGE AREAS...URBAN AREAS...AND SMALL 
  STREAMS TO FLOOD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$
128 
WGUS61 KPHI 290741
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
341 AM EDT SAT MAR 29 2014

DEZ001-NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-
292000-
/O.CON.KPHI.FA.A.0003.140329T1800Z-140331T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-DELAWARE-
PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...NEWTON...WASHINGTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
341 AM EDT SAT MAR 29 2014

...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND PENNSYLVANIA... 
  INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW 
  CASTLE. IN NEW JERSEY...HUNTERDON...MERCER...MIDDLESEX... 
  MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA... 
  BERKS...CARBON...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LEHIGH...LOWER BUCKS...MONROE...NORTHAMPTON... 
  PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN 
  MONTGOMERY. 

* WIDESPREAD RAIN AMOUNTS OF 1 TO 3 INCHES IS EXPECTED TO MOVE
  INTO THE REGION LATE THIS AFTERNOON AND CONTINUE INTO SUNDAY MORNING.
  RAIN IS EXPECTED TO TAPER OFF SUNDAY MORNING... THOUGH SOME
  RIVERS MAY BE SLOW TO RESPOND SO THE FLOOD THREAT COULD CONTINUE
  FOR SEVERAL HOURS AFTER RAIN HAS ENDED.

* THE MAJORITY OF THIS RAIN WILL OCCUR WITHIN A 12 HOUR PERIOD 
  WHICH MAY CAUSE POOR DRAINAGE AREAS...URBAN AREAS...AND SMALL 
  STREAMS TO FLOOD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$
026 
WGUS61 KPHI 291905
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
305 PM EDT SAT MAR 29 2014

DEZ001-NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-
301000-
/O.EXT.KPHI.FA.A.0003.000000T0000Z-140331T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-DELAWARE-
PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...NEWTON...WASHINGTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
305 PM EDT SAT MAR 29 2014

...FLOOD WATCH NOW IN EFFECT THROUGH LATE SUNDAY NIGHT...

THE FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND PENNSYLVANIA... 
  INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW 
  CASTLE. IN NEW JERSEY...HUNTERDON...MERCER...MIDDLESEX... 
  MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA... 
  BERKS...CARBON...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LEHIGH...LOWER BUCKS...MONROE...NORTHAMPTON... 
  PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN 
  MONTGOMERY. 

* THROUGH LATE SUNDAY NIGHT

* A COMPLEX AND SLOW MOVING STORM SYSTEM WILL AFFECT THE AREA
  TONIGHT THROUGH EARLY SUNDAY NIGHT. WIDESPREAD RAINFALL OF 2 TO
  3 INCHES IS EXPECTED WITH A FEW AREAS PROBABLY RECEIVING CLOSE
  TO 4 INCHES OF RAIN. HEAVY RAINS WILL FALL OVERNIGHT...BUT THERE
  WILL BE A SECOND ROUND OF HEAVY RAINS SUNDAY AFTERNOON. THESE
  PERIODS OF EXCESSIVE RAINFALLS MAY CREATE AREAS OF POOR DRAINAGE
  FLOODING...FLOODING IN URBAN AREAS AND FLOODING OF SMALL CREEKS
  AND STREAMS. THE FLOODING WILL CONTINUE FOR SEVERAL HOURS AFTER
  THE RAINS HAVE ENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS. FLOOD DANGERS ARE MORE DIFFICULT TO OBSERVE AT
NIGHT. BE ESPECIALLY ALERT WHEN DRIVING...SINCE WATER CROSSING THE
ROADWAYS MAY NOT BE SEEN UNTIL YOU ARE ALREADY IN IT. DRIVE AT A
SLOWER SPEED DURING HEAVY RAINS. DO NOT CROSS ROADS WHERE WATER IS
FLOWING ACROSS IT...SINCE THE WATER MAY HAVE WASHED THE ROAD AWAY.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$


PO
910 
WGUS61 KPHI 300740
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
340 AM EDT SUN MAR 30 2014

DEZ001-NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-
302000-
/O.CON.KPHI.FA.A.0003.000000T0000Z-140331T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-DELAWARE-
PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...NEWTON...WASHINGTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
340 AM EDT SUN MAR 30 2014

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

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND PENNSYLVANIA... 
  INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW 
  CASTLE. IN NEW JERSEY...HUNTERDON...MERCER...MIDDLESEX... 
  MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA... 
  BERKS...CARBON...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LEHIGH...LOWER BUCKS...MONROE...NORTHAMPTON... 
  PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN 
  MONTGOMERY. 

* THROUGH LATE TONIGHT

* A COMPLEX AND SLOW MOVING STORM SYSTEM WILL CONTINUE TO AFFECT
  THE AREA THROUGH LATE TONIGHT. WIDESPREAD RAINFALL OF 1 TO 3
  INCHES FELL YESTERDAY WHILE ANOTHER INCH OR SO IS POSSIBLE TODAY
  WITH MORE HEAVY RAIN MOVING IN THIS AFTERNOON. THESE PERIODS OF
  EXCESSIVE RAINFALLS MAY CREATE AREAS OF POOR DRAINAGE
  FLOODING...FLOODING IN URBAN AREAS AND FLOODING OF SMALL CREEKS
  AND STREAMS. THE FLOODING WILL CONTINUE FOR SEVERAL HOURS AFTER
  THE RAINS HAVE ENDED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS. FLOOD DANGERS ARE MORE DIFFICULT TO OBSERVE AT
NIGHT. BE ESPECIALLY ALERT WHEN DRIVING...SINCE WATER CROSSING
THE ROADWAYS MAY NOT BE SEEN UNTIL YOU ARE ALREADY IN IT. DRIVE
AT A SLOWER SPEED DURING HEAVY RAINS. DO NOT CROSS ROADS WHERE
WATER IS FLOWING ACROSS IT...SINCE THE WATER MAY HAVE WASHED THE
ROAD AWAY.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$
404 
WGUS61 KPHI 301916
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
316 PM EDT SUN MAR 30 2014

DEZ001-NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-
310600-
/O.CON.KPHI.FA.A.0003.000000T0000Z-140331T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-DELAWARE-
PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...NEWTON...WASHINGTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
316 PM EDT SUN MAR 30 2014

...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND PENNSYLVANIA... 
  INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW 
  CASTLE. IN NEW JERSEY...HUNTERDON...MERCER...MIDDLESEX... 
  MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA... 
  BERKS...CARBON...DELAWARE...EASTERN CHESTER...EASTERN 
  MONTGOMERY...LEHIGH...LOWER BUCKS...MONROE...NORTHAMPTON... 
  PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN 
  MONTGOMERY. 

* UNTIL 2 AM EDT MONDAY

* LOW PRESSURE OFF THE SOUTHERN NEW JERSEY COAST LATE THIS
  AFTERNOON WILL SLOWLY MOVE AWAY TONIGHT. OCCASIONAL SHOWERS WILL
  CONTINUE THIS EVENING AND BRING ADDITIONAL RAINS TO THE ALREADY
  SATURATED GROUNDS...SO ADDITIONAL FLOODING IS POSSIBLE. THE
  HEAVIEST RAINS HAVE ALREADY OCCURRED WITH A WIDESPREAD 2 TO 3
  INCHES OVER THE WATCH AREA. ANOTHER HALF INCH OF RAIN COULD
  OCCUR EARLY TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS. FLOOD DANGERS ARE MORE DIFFICULT TO OBSERVE AT
NIGHT. BE ESPECIALLY ALERT WHEN DRIVING...SINCE WATER CROSSING
THE ROADWAYS MAY NOT BE SEEN UNTIL YOU ARE ALREADY IN IT. DRIVE
AT A SLOWER SPEED DURING HEAVY RAINS. DO NOT CROSS ROADS WHERE
WATER IS FLOWING ACROSS IT...SINCE THE WATER MAY HAVE WASHED THE
ROAD AWAY.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$
348 
WGUS61 KPHI 310548
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
148 AM EDT MON MAR 31 2014


DEZ001-NJZ001-007>010-012-015-PAZ054-055-060>062-070-071-101>106-
310700-
/O.EXP.KPHI.FA.A.0003.000000T0000Z-140331T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-DELAWARE-
PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...NEWTON...WASHINGTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...
JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...
EASTON...MEDIA...PHILADELPHIA...HONEY BROOK...OXFORD...
WEST CHESTER...KENNET SQUARE...COLLEGEVILLE...POTTSTOWN...
NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...MORRISVILLE...
DOYLESTOWN
148 AM EDT MON MAR 31 2014

...FLOOD WATCH WILL EXPIRE AT 2 AM EDT EARLY THIS MORNING...

THE FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...NEW JERSEY
AND PENNSYLVANIA WILL EXPIRE AT 2 AM EDT EARLY THIS MORNING. 

WHILE SOME LIGHT RAIN WILL LINGER THROUGHOUT THE MORNING HOURS
BEFORE ENDING, THE RAIN SHOULD BE LIGHT AND WILL DECREASE IN AREAL
COVERAGE SO WIDESPREAD FLOODING IS NO LONGER ANTICIPATED.  

HOWEVER, SMALLER RIVERS AND STREAMS CONTINUE TO RUN HIGH IN SOME
AREAS AND ITS POSSIBLE THAT THERE COULD STILL BE SOME RESIDUAL
FLOODING OF THESE AREAS.

$$

Nearby

Flood Watches in Pennsylvania, 2014Flood Watches in New Jersey, 2014Flood Watches in Delaware, 2014Every flood watch in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.