Alert archive / Pennsylvania / Flood Watches in 2008

Flood Watch 3, NWS Philadelphia/Mount Holly

February 16, 20085 counties in Pennsylvania; 4 counties in New Jersey

NWS Philadelphia/Mount Holly issued this flood watch at Feb 16, 2008, 3:02 PM EST for 5 counties in Pennsylvania; 4 counties in New Jersey. It took effect at Feb 17, 2008, 3:48 AM EST. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Feb 16, 2008, 3:02 PM EST (20:02 UTC)
In effect from
Feb 17, 2008, 3:48 AM EST
Expired
Feb 18, 2008, 10:30 AM EST
In force
31 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
None

Counties Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 115 km from the middle of the area, began a volume at 20:08 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

Brookhaven, NY (KOKX), launched 12:00Z, 8.0 hours before the alert went out and 196 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 12:00Z on 2008-02-16Temperature 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 12:00Z on 2008-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -129 square meters per square second.1939587897117136156Sfc1 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
1183 m above ground
0-6 km bulk shear
99 kt
0-1 km storm-relative helicity
-129 m²/s²
0-3 km storm-relative helicity
73 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 162002
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
302 PM EST SAT FEB 16 2008

...FLOODING POSSIBLE LATE SUNDAY NIGHT INTO MONDAY AFTERNOON...

NJZ008-010-171100-
/O.NEW.KPHI.FA.A.0003.080218T0600Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS-SOMERSET-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE
302 PM EST SAT FEB 16 2008

...FLOOD WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A

* FLOOD WATCH FOR A PORTION OF NORTHERN NEW JERSEY...INCLUDING THE
  FOLLOWING COUNTIES...MORRIS AND SOMERSET.

* FROM LATE SUNDAY NIGHT INTO MONDAY AFTERNOON

* AN AREA OF LOW PRESSURE DEVELOPING IN THE SOUTHERN PLAINS WILL
  MOVE INTO THE GREAT LAKES BY LATE SUNDAY, BRINGING A COLD FRONT
  THROUGH THE AREA ON MONDAY. A MOIST AIR MASS AHEAD OF THE FRONT
  WILL HELP TO ENHANCE PRECIPITATION ACROSS THE AREA SUNDAY NIGHT
  INTO MONDAY. PRECIPITATION AMOUNTS ARE EXPECTED TO BE AROUND
  THREE-QUARTERS OF AN INCH TO ONE INCH WITH THIS SYSTEM. THE
  COMBINATION OF THIS HEAVY RAIN, ALONG WITH PREVIOUSLY SATURATED
  GROUNDS COULD LEAD TO FLOODING ALONG FLOOD-PRONE RIVERS,
  CREEKS, AND STREAMS, IN ADDITION TO LOW-LYING AREAS AND ROADWAY
  FLOODING.

* BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
  THE DANGERS OF FLOODS. DO NOT DRIVE YOUR VEHICLE INTO AREAS
  WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO
  GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. 

A 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.
 
ONE WAY TO KEEP ABREAST OF EXISTING AND FORECASTED WATER
CONDITIONS ON WATERWAYS THROUGHOUT THE REGION IS TO MONITOR THE
ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/ AVAILABLE ON OUR
HOMEPAGE AT WWW.WEATHER.GOV/PHI. JUST CLICK THE AHPS ICON ON THE
LEFT HAND MENU.

$$

ROBERTSON
6 follow-up statements
000 
WGUS61 KPHI 170848
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
348 AM EST SUN FEB 17 2008

...FLOODING POSSIBLE LATE TONIGHT INTO MONDAY AFTERNOON...

NJZ001-007-PAZ054-055-060>062-171900-
/O.EXA.KPHI.FA.A.0003.080218T0600Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...EASTON
348 AM EST SUN FEB 17 2008

...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS EXPANDED THE

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

* FROM LATE TONIGHT THROUGH MONDAY AFTERNOON

* AN AREA OF LOW PRESSURE DEVELOPING IN THE SOUTHERN PLAINS WILL
  MOVE INTO THE GREAT LAKES BY LATE TODAY...BRINGING A COLD FRONT
  THROUGH THE AREA ON MONDAY. A MOIST AIR MASS AHEAD OF THE FRONT
  WILL HELP TO ENHANCE PRECIPITATION ACROSS THE AREA SUNDAY NIGHT
  INTO MONDAY. PRECIPITATION AMOUNTS ARE EXPECTED TO BE AROUND
  THREE-QUARTERS OF AN INCH TO ONE INCH AND POSSIBLY ISOLATED
  HIGHER AMOUNTS WITH THIS SYSTEM. THE COMBINATION OF THIS HEAVY
  RAIN...ALONG WITH PREVIOUSLY SATURATED GROUNDS COULD LEAD TO
  FLOODING ALONG FLOOD- PRONE RIVERS... CREEKS... AND STREAMS...
  IN ADDITION TO LOW- LYING AREAS AND ROADWAY FLOODING.

* BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE 
  THE DANGERS OF FLOODS. DO NOT DRIVE YOUR VEHICLE INTO AREAS 
  WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO 
  GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. 

A 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.

ONE WAY TO KEEP ABREAST OF EXISTING AND FORECASTED WATER
CONDITIONS ON WATERWAYS THROUGHOUT THE REGION IS TO MONITOR THE
ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/ AVAILABLE ON OUR
HOMEPAGE AT WWW.WEATHER.GOV/PHI. JUST CLICK THE AHPS ICON ON THE
LEFT HAND MENU.

$$

NJZ008-010-171900-
/O.CON.KPHI.FA.A.0003.080218T0600Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS-SOMERSET-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE
348 AM EST SUN FEB 17 2008

...FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN NEW JERSEY...INCLUDING THE FOLLOWING 
  AREAS...MORRIS AND SOMERSET.

* FROM LATE TONIGHT THROUGH MONDAY AFTERNOON

* AN AREA OF LOW PRESSURE DEVELOPING IN THE SOUTHERN PLAINS WILL
  MOVE INTO THE GREAT LAKES BY LATE TODAY...BRINGING A COLD FRONT
  THROUGH THE AREA ON MONDAY. A MOIST AIR MASS AHEAD OF THE FRONT
  WILL HELP TO ENHANCE PRECIPITATION ACROSS THE AREA SUNDAY NIGHT
  INTO MONDAY. PRECIPITATION AMOUNTS ARE EXPECTED TO BE AROUND
  THREE-QUARTERS OF AN INCH TO ONE INCH AND POSSIBLY ISOLATED
  HIGHER AMOUNTS WITH THIS SYSTEM. THE COMBINATION OF THIS HEAVY
  RAIN...ALONG WITH PREVIOUSLY SATURATED GROUNDS COULD LEAD TO
  FLOODING ALONG FLOOD- PRONE RIVERS... CREEKS... AND STREAMS...
  IN ADDITION TO LOW- LYING AREAS AND ROADWAY FLOODING. 

* BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE 
  THE DANGERS OF FLOODS. DO NOT DRIVE YOUR VEHICLE INTO AREAS 
  WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO 
  GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. 

A 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.

ONE WAY TO KEEP ABREAST OF EXISTING AND FORECASTED WATER
CONDITIONS ON WATERWAYS THROUGHOUT THE REGION IS TO MONITOR THE
ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/ AVAILABLE ON OUR
HOMEPAGE AT WWW.WEATHER.GOV/PHI. JUST CLICK THE AHPS ICON ON THE
LEFT HAND MENU.

$$
000 
WGUS61 KPHI 171804
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
104 PM EST SUN FEB 17 2008

...FLOODING POSSIBLE LATE TONIGHT INTO MONDAY AFTERNOON...

NJZ001-007-008-010-PAZ054-055-060>062-180215-
/O.CON.KPHI.FA.A.0003.080218T0600Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-MORRIS-SOMERSET-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
SOMERVILLE...JIM THORPE...STROUDSBURG...READING...ALLENTOWN...
BETHLEHEM...EASTON
104 PM EST SUN FEB 17 2008

...FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA...INCLUDING 
  THE FOLLOWING AREAS...IN NORTHERN NEW JERSEY...MORRIS...
  SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA...BERKS...
  CARBON...LEHIGH...MONROE AND NORTHAMPTON.

* FROM LATE TONIGHT THROUGH MONDAY AFTERNOON

* AN AREA OF LOW PRESSURE WILL MOVE INTO THE GREAT LAKES THIS
  EVENING...BRINGING A COLD FRONT THROUGH THE AREA ON MONDAY. A
  MOIST AIRMASS AHEAD OF THE FRONT WILL HELP TO ENHANCE
  PRECIPITATION ACROSS THE AREA TONIGHT INTO MONDAY. PRECIPITATION
  AMOUNTS ARE EXPECTED TO BE AROUND THREE-QUARTERS OF AN INCH TO
  ONE INCH WITH ISOLATED HIGHER AMOUNTS. THE COMBINATION OF THIS
  HEAVY RAIN...ALONG WITH PREVIOUSLY SATURATED GROUNDS COULD LEAD
  TO FLOODING ALONG FLOOD-PRONE RIVERS...CREEKS...AND STREAMS...
  IN ADDITION TO LOW-LYING AREAS AND ROADWAY FLOODING.

* BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE 
  THE DANGERS OF FLOODS. DO NOT DRIVE YOUR VEHICLE INTO AREAS 
  WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO 
  GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. 

A 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.

ONE WAY TO KEEP ABREAST OF EXISTING AND FORECASTED WATER
CONDITIONS ON WATERWAYS THROUGHOUT THE REGION IS TO MONITOR THE
ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/ AVAILABLE ON OUR
HOMEPAGE AT WWW.WEATHER.GOV/PHI. JUST CLICK THE AHPS ICON ON THE
LEFT HAND MENU.

$$
000 
WGUS61 KPHI 172045
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
345 PM EST SUN FEB 17 2008

...FLOODING POSSIBLE LATE TONIGHT INTO MONDAY AFTERNOON...

NJZ001-007-PAZ054-055-060>062-172145-
/O.CAN.KPHI.FA.A.0003.080218T0600Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX-WARREN-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...JIM THORPE...
STROUDSBURG...READING...ALLENTOWN...BETHLEHEM...EASTON
345 PM EST SUN FEB 17 2008

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF NORTHERN NEW JERSEY AND
PENNSYLVANIA HAS BEEN CANCELLED. WHILE RAIN HEAVY AT TIMES IS
STILL LIKELY TONIGHT AND INTO MONDAY, RAIN AMOUNTS ARE FORECAST
TO REMAIN BELOW LEVELS NECESSARY FOR WIDESPREAD FLOODING.
MOTORISTS ARE STILL CAUTIONED TO USE APPROPRIATE CARE WHILE
ENCOUNTERING PONDING OF WATER ON ROADS.

$$

NJZ008-010-181000-
/O.CON.KPHI.FA.A.0003.080218T0600Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS-SOMERSET-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE
345 PM EST SUN FEB 17 2008

...FLOOD WATCH REMAINS IN EFFECT FROM 1 AM EST MONDAY THROUGH
MONDAY AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN NEW JERSEY...INCLUDING THE FOLLOWING
  AREAS...MORRIS AND SOMERSET COUNTIES

* FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON

* LOW PRESSURE WILL MOVE INTO THE GREAT LAKES THIS EVENING...
  BRINGING A COLD FRONT THROUGH THE AREA MONDAY. A MOIST AIRMASS
  AHEAD OF THE FRONT, ALONG WITH STRONG WINDS JUST OFF THE SURFACE
  AS WELL AS HIGHER IN THE ATMOSPHERE, WILL HELP TO ENHANCE
  PRECIPITATION ACROSS THE AREA TONIGHT INTO MONDAY. PRECIPITATION
  AMOUNTS ARE EXPECTED TO BE AROUND THREE-QUARTERS OF AN INCH TO
  ONE INCH, WITH ISOLATED HIGHER AMOUNTS. THE COMBINATION OF THIS
  HEAVY RAIN, ALONG WITH SATURATED GROUND FROM PREVIOUS RAIN,
  COULD LEAD TO FLOODING ALONG FLOOD-PRONE RIVERS...CREEKS...AND
  STREAMS. IN ADDITION, FLOODING MAY OCCUR IN LOW-LYING AREAS AND
  ON ROADS AND HIGHWAYS.

* BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE 
  THE DANGERS OF FLOODS. DO NOT DRIVE YOUR VEHICLE INTO AREAS 
  WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO 
  GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. 

A 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.

ONE WAY TO KEEP ABREAST OF EXISTING AND FORECASTED WATER
CONDITIONS ON WATERWAYS THROUGHOUT THE REGION IS TO MONITOR THE
ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/ AVAILABLE ON OUR
HOMEPAGE AT WWW.WEATHER.GOV/PHI. JUST CLICK THE AHPS ICON ON THE
LEFT HAND MENU.

$$
000 
WGUS61 KPHI 180132
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
832 PM EST SUN FEB 17 2008

...FLOODING POSSIBLE LATE TONIGHT INTO MONDAY AFTERNOON...

NJZ008-010-181100-
/O.CON.KPHI.FA.A.0003.080218T0600Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS-SOMERSET-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE
832 PM EST SUN FEB 17 2008

...FLOOD WATCH REMAINS IN EFFECT FROM 1 AM EST MONDAY THROUGH
MONDAY AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN NEW JERSEY...INCLUDING THE FOLLOWING 
  AREAS...MORRIS AND SOMERSET.

* FROM 1 AM EST MONDAY THROUGH MONDAY AFTERNOON

* LOW PRESSURE WILL MOVE INTO ONTARIO PROVINCE CANADA
  OVERNIGHT...BRINGING A COLD FRONT THROUGH THE AREA MONDAY. A
  MOIST AIRMASS AHEAD OF THE FRONT... ALONG WITH STRONG WINDS JUST
  OFF THE SURFACE AS WELL AS HIGHER IN THE ATMOSPHERE... WILL HELP
  TO ENHANCE PRECIPITATION ACROSS THE AREA OVERNIGHT INTO MONDAY.
  PRECIPITATION AMOUNTS ARE EXPECTED TO BE AROUND THREE-QUARTERS
  OF AN INCH TO ONE INCH... WITH ISOLATED HIGHER AMOUNTS. THE
  COMBINATION OF THIS HEAVY RAIN... ALONG WITH SATURATED GROUND
  FROM PREVIOUS RAIN... COULD LEAD TO FLOODING ALONG FLOOD-PRONE
  RIVERS...CREEKS...AND STREAMS. IN ADDITION... FLOODING MAY OCCUR
  IN LOW-LYING AREAS AND ON ROADS AND HIGHWAYS.

* BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE 
  THE DANGERS OF FLOODS. DO NOT DRIVE YOUR VEHICLE INTO AREAS 
  WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO 
  GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. 

A 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.

ONE WAY TO KEEP ABREAST OF EXISTING AND FORECAST WATER
CONDITIONS ON WATERWAYS THROUGHOUT THE REGION IS TO MONITOR THE
ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/ AVAILABLE ON OUR
HOMEPAGE AT WWW.WEATHER.GOV/PHI. JUST CLICK THE AHPS ICON ON THE
LEFT HAND MENU.

$$

TFG
000 
WGUS61 KPHI 181032
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
532 AM EST MON FEB 18 2008

...FLOODING POSSIBLE INTO THE AFTERNOON...

NJZ008-010-181800-
/O.CON.KPHI.FA.A.0003.000000T0000Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS-SOMERSET-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE
532 AM EST MON FEB 18 2008

...FLOOD WATCH REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

THE FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN NEW JERSEY...INCLUDING THE FOLLOWING 
  AREAS...MORRIS AND SOMERSET.

* UNTIL 1 PM EST THIS AFTERNOON

* LOW PRESSURE HAS MOVED INTO SOUTHEASTERN CANADA AND THE
  ASSOCIATED COLD FRONT WILL MOVE THROUGH THE AREA DURING THE
  AFTERNOON. A MOIST AIRMASS AHEAD OF THE FRONT... ALONG WITH
  STRONG WINDS JUST OFF THE SURFACE AS WELL AS HIGHER IN THE
  ATMOSPHERE... WILL HELP TO ENHANCE PRECIPITATION ACROSS THE
  REGION. PRECIPITATION AMOUNTS ARE EXPECTED TO BE AROUND THREE-
  QUARTERS OF AN INCH TO ONE INCH... WITH ISOLATED HIGHER AMOUNTS.
  THE COMBINATION OF THIS HEAVY RAIN... ALONG WITH SATURATED
  GROUND FROM PREVIOUS RAIN... COULD LEAD TO FLOODING ALONG FLOOD-
  PRONE RIVERS...CREEKS...AND STREAMS. IN ADDITION... FLOODING MAY
  OCCUR IN LOW-LYING AREAS AND ON ROADS AND HIGHWAYS.

* DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
  ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
  CROSS SAFELY.

A 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.

ONE WAY TO KEEP ABREAST OF EXISTING AND FORECAST WATER CONDITIONS
ON WATERWAYS THROUGHOUT THE REGION IS TO MONITOR THE ADVANCED
HYDROLOGIC PREDICTION SERVICE /AHPS/ AVAILABLE ON OUR HOMEPAGE AT
WWW.WEATHER.GOV/PHI. JUST CLICK THE AHPS ICON ON THE LEFT HAND
MENU.

$$
000 
WGUS61 KPHI 181530
FFAPHI

FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1030 AM EST MON FEB 18 2008

NJZ008-010-181630-
/O.CAN.KPHI.FA.A.0003.000000T0000Z-080218T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORRIS-SOMERSET-
INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE
1030 AM EST MON FEB 18 2008

...FLOOD WATCH IS CANCELLED...

IN GENERAL, THE RAIN THAT FELL LAST NIGHT INTO THIS MORNING TOTALED
ABOUT 1/2 OF AN INCH. EVEN THOUGH SOME SHOWERS REMAIN POSSIBLE
TODAY, NEW RAINFALL WILL BE ON THE LIGHT SIDE AND WILL NOT BE ENOUGH
TO CAUSE NEW RIVER FLOODING. 

BECAUSE NEW RIVER FLOODING IS NO LONGER EXPECTED, THE FLOOD WATCH FOR
MORRIS AND SOMERSET COUNTIES HAS BEEN CANCELED. 

$$

KRUZDLO

Nearby

Flood Watches in Pennsylvania, 2008Flood Watches in New Jersey, 2008Every flood watch in 2008

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.