[MTHOLLYSVRWX] Flash Flood Watch : PHI@ 2/12/2008 3:30:16 PM

[n2qae at arrl.net]

Check at http://weather.gov/ for original products.


WGUS61 KPHI 122028
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
328 PM EST TUE FEB 12 2008

...HEAVY RAINFALL POSSIBLE LATE TONIGHT THROUGH LATE TOMORROW 
NIGHT...

.AN AREA OF LOW PRESSURE IN THE OHIO VALLEY WILL TRACK NORTHEASTWARD 
THIS EVENING AND MOVE INTO NEW YORK STATE TOMORROW MORNING. A COLD 
FRONT ASSOCIATED WITH THIS LOW WILL SWEEP ACROSS OUR AREA TOMORROW 
AFTERNOON. AS THE COLD FRONT TRACKS THROUGH THE REGION, NEW WAVES OF 
LOW PRESSURE WILL FORM ALONG THE FRONT AS THE ORIGINAL LOW 
DISSIPATES. A MIXTURE OF SNOW, SLEET, AND FREEZING RAIN WILL SLOWLY 
CHANGE TO PLAIN RAIN TONIGHT INTO TOMORROW MORNING. THE CHANGEOVER 
WILL WORK IN A NORTHWEST DIRECTION FROM THE PHILADELPHIA 
METROPOLITAN AREA LATE THIS EVENING TO THE SOUTHERN POCONOS AND 
NORTHWEST NEW JERSEY TOMORROW MORNING.  

DEZ001-NJZ001-007>010-012-015>019-PAZ060>062-067>071-130500-
/O.NEW.KPHI.FA.A.0002.080213T1200Z-080214T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-BERKS-
LEHIGH-NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...NEWTON...WASHINGTON...
MORRISTOWN...FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...
PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...
MOUNT HOLLY...READING...ALLENTOWN...BETHLEHEM...EASTON...
WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA
328 PM EST TUE FEB 12 2008

...FLOOD WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...

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...CAMDEN...GLOUCESTER...
  HUNTERDON...MERCER...MIDDLESEX...MORRIS...NORTHWESTERN 
  BURLINGTON...SALEM...SOMERSET...SUSSEX AND WARREN. IN 
  PENNSYLVANIA...BERKS...BUCKS...CHESTER...DELAWARE...LEHIGH...
  MONTGOMERY...NORTHAMPTON AND PHILADELPHIA.

* FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING

* MULTIPLE SURGES OF MOISTURE WILL WORK NORTH ALONG THE ATLANTIC
  SEABOARD TONIGHT, TOMORROW, AND INTO TOMORROW NIGHT. ANY
  FREEZING OR FROZEN PRECIPITATION IS EXPECTED TO CHANGEOVER TO
  ALL RAIN BY THE MID MORNING HOURS ON WEDNESDAY. THE CHANGEOVER
  WILL TAKE PLACE IN AND AROUND THE PHILADELPHIA METROPOLITAN AREA
  AROUND MIDNIGHT TONIGHT. THE CHANGEOVER LINE WILL THEN WORK TO
  THE NORTHWEST OVERNIGHT AND MOVE THROUGH THE SOUTHERN POCONOS
  AND NORTHWEST NEW JERSEY BY MIDDAY TOMORROW. 

* IN GENERAL, ONE TO TWO INCHES OF RAIN ARE POSSIBLE ACROSS THE
  WATCH AREA. LOCALLY HIGHER AMOUNTS CANNOT BE RULED OUT. THIS
  AMOUNT OF RAIN COUPLED WITH EITHER AN ALREADY SATURATED OR
  FROZEN GROUND, DEPENDING ON YOUR LOCATION, COULD PRODUCE AREAS
  OF FLOODING. IN ADDITION, ANY SNOW OR ICE THAT FALLS TONIGHT IS
  EXPECTED TO MELT AND ADD TO THE RUNOFF. WHILE WIDESPREAD
  SIGNIFICANT RIVER FLOODING IS NOT EXPECTED, FLOODING OF ROADWAYS
  AND POOR DRAINAGE AREAS, AS WELL AS SMALLER STREAMS AND CREEKS
  WILL BE POSSIBLE.

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.

$$

KRUZDLO