Alert archive / Pennsylvania / Flood Watches in 2008
Flood Watch 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flood watch at Mar 3, 2008, 2:17 PM EST for 4 states. It took effect at Mar 4, 2008, 9:00 PM EST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Mar 3, 2008, 2:17 PM EST (19:17 UTC)
- In effect from
- Mar 4, 2008, 9:00 PM EST
- Expired
- Mar 5, 2008, 10:30 AM EST
- In force
- 14 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
Counties New Castle County, DE, Cecil County, MD, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris 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), 87 km from the middle of the area, began a volume at 19:20 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, 7.3 hours before the alert went out and 136 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1336 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS61 KPHI 031917 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 217 PM EST MON MAR 3 2008 ...FLOODING RAINS POSSIBLE TUESDAY NIGHT INTO WEDNESDAY MORNING... NJZ001-007>010-PAZ054-055-060>062-041100- /O.NEW.KPHI.FA.A.0004.080305T0200Z-080305T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON 217 PM EST MON MAR 3 2008 ...FLOOD WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN NEW JERSEY...HUNTERDON...MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA...BERKS...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON * A COLD FRONT WILL STALL ACROSS THE NORTHERN PORTIONS OF THE AREA LATE IN THE DAY TUESDAY. MEANWHILE, A STRENGTHENING AREA OF LOW PRESSURE WILL BE MOVING NORTHEASTWARD ALONG THIS FRONT TUESDAY NIGHT. WARM AND MOIST AIR WILL BE MOVING IN AHEAD OF THIS SYSTEM, WHICH WILL HELP LEAD TO THE POSSIBILITY OF HEAVY RAIN LATE TUESDAY NIGHT INTO EARLY WEDNESDAY MORNING. THE AREA HAS SEEN AN ABOVE NORMAL AMOUNT OF PRECIPITATION OVER THE LAST MONTHS TIME PERIOD, SO THE GROUND IS ALREADY SATURATED. THERE IS ALSO SOME SNOW IN THE NORTHERN SECTIONS OF THE AREA AND FARTHER NORTHWARD. THIS HEAVY RAIN ALONG WITH WARMING TEMPERATURES WILL MELT THE SNOW, WHICH COULD EXACERBATE THE FLOOD POTENTIAL. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. $$ DEZ001-MDZ008-NJZ012-015-PAZ067>071-041100- /O.NEW.KPHI.FA.A.0004.080305T0200Z-080305T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-MIDDLESEX-MERCER-CHESTER-MONTGOMERY-BUCKS- DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...NEW BRUNSWICK... TRENTON...WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA 217 PM EST MON MAR 3 2008 ...FLOOD WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NORTHEAST MARYLAND...CECIL. IN NEW JERSEY...MERCER AND MIDDLESEX. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER... DELAWARE...MONTGOMERY AND PHILADELPHIA. * FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON * A COLD FRONT WILL STALL ACROSS THE NORTHERN PORTIONS OF THE AREA LATE IN THE DAY TUESDAY. MEANWHILE, A STRENGTHENING AREA OF LOW PRESSURE WILL BE MOVING NORTHEASTWARD ALONG THIS FRONT TUESDAY NIGHT. WARM AND MOIST AIR WILL BE MOVING IN AHEAD OF THIS SYSTEM, WHICH WILL HELP LEAD TO THE POSSIBILITY OF HEAVY RAIN LATE TUESDAY NIGHT INTO EARLY WEDNESDAY MORNING. THERE IS ALSO THE POSSIBILITY OF SOME THUNDERSTORM ACTIVITY FOR PORTIONS OF THE AREA LATE TUESDAY NIGHT INTO EARLY WEDNESDAY MORNING. WHILE THE FLOOD POTENTIAL WOULD MORE LIKELY BE IN THE FORM OF URBAN AND SMALL STREAM FLOODING, THERE WILL DEFINITELY BE SIGNIFICANT WITHIN BANKS RISES ON THE MAIN STEM RIVERS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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
5 follow-up statements
000 WGUS61 KPHI 040940 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 440 AM EST TUE MAR 4 2008 ...FLOODING RAINS POSSIBLE TONIGHT INTO WEDNESDAY AFTERNOON... NJZ001-007>010-PAZ054-055-060>062-042100- /O.EXT.KPHI.FA.A.0004.080305T0200Z-080305T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON 440 AM EST TUE MAR 4 2008 ...FLOOD WATCH NOW IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... THE FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN NEW JERSEY...HUNTERDON... MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA... BERKS...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON * A COLD FRONT WILL STALL ACROSS THE NORTHEAST PENNSYLVANIA AND NORTHERN NEW JERSEY LATER TODAY. A STRENGTHENING AREA OF LOW PRESSURE NEAR TENNESSEE WILL MOVE NORTHEASTWARD ALONG THIS FRONT TONIGHT. WARM AND MOIST AIR WILL BE MOVING IN AHEAD OF THIS SYSTEM... WHICH WILL PRODUCE A PERIOD OF STEADY AND HEAVY RAINFALL TONIGHT INTO WEDNESDAY MORNING. MUCH OF OUR REGION HAS HAD AN ABOVE NORMAL AMOUNT OF PRECIPITATION OVER THE LAST MONTHS TIME PERIOD... SO THE GROUND IS ALREADY SATURATED. THERE IS ALSO A LITTLE SNOW IN THE NORTHERN SECTIONS OF THE AREA AND FARTHER NORTHWARD IN THE UPPER DELAWARE BASIN. THIS HEAVY RAIN ALONG WITH WARMING TEMPERATURES WILL MELT THE SNOW... WHICH COULD EXACERBATE THE FLOOD POTENTIAL. 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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. $$ DEZ001-MDZ008-NJZ012-015-PAZ067>071-042100- /O.EXT.KPHI.FA.A.0004.080305T0200Z-080305T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-MIDDLESEX-MERCER-CHESTER-MONTGOMERY-BUCKS- DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...NEW BRUNSWICK... TRENTON...WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA 440 AM EST TUE MAR 4 2008 ...FLOOD WATCH NOW IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON... THE FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NORTHEAST MARYLAND...CECIL. IN NEW JERSEY...MERCER AND MIDDLESEX. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER...DELAWARE... MONTGOMERY AND PHILADELPHIA. * FROM THIS EVENING THROUGH WEDNESDAY AFTERNOON * A COLD FRONT WILL STALL ACROSS THE NORTHEAST PENNSYLVANIA AND NORTHERN NEW JERSEY LATER TODAY. A STRENGTHENING AREA OF LOW PRESSURE NEAR TENNESSEE WILL MOVE NORTHEASTWARD ALONG THIS FRONT TONIGHT. WARM AND MOIST AIR WILL BE MOVING IN AHEAD OF THIS SYSTEM... WHICH WILL HELP LEAD TO THE POSSIBILITY OF HEAVY RAIN AND SCATTERED THUNDERSTORMS TONIGHT INTO WEDNESDAY MORNING. THE FLOOD POTENTIAL WOULD MORE LIKELY BE IN THE FORM OF URBAN AND SMALL STREAM FLOODING...BUT THERE WILL ALSO BE SIGNIFICANT WITHIN BANKS RISES ON THE MAIN STEM RIVERS TOO. 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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. $$ OHARA
000 WGUS61 KPHI 042021 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 321 PM EST TUE MAR 4 2008 ...FLOODING RAINS POSSIBLE TONIGHT INTO WEDNESDAY AFTERNOON... NJZ001-007>010-PAZ054-055-060>062-051100- /O.CON.KPHI.FA.A.0004.080305T0200Z-080305T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON 321 PM EST TUE MAR 4 2008 ...FLOOD WATCH REMAINS IN EFFECT FROM 9 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN NEW JERSEY...HUNTERDON... MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA... BERKS...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * FROM 9 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON * A NEAR STATIONARY FRONTAL ZONE RAN FROM NORTHERN NEW JERSEY ACROSS PENNSYLVANIA TO A LOW PRESSURE SYSTEM OVER KENTUCKY THIS AFTERNOON. THE LOW WILL MOVE NORTHEAST ALONG THE FRONT REACHING PENNSYLVANIA TONIGHT AND NEW ENGLAND THURSDAY. WARM AND MOIST AIR AHEAD OF THIS SYSTEM WILL PRODUCE A PERIOD OF STEADY AND HEAVY RAINFALL TONIGHT INTO WEDNESDAY MORNING. MUCH OF OUR REGION HAS HAD AN ABOVE NORMAL AMOUNT OF PRECIPITATION OVER THE LAST MONTH, LEAVING THE GROUND ALREADY SATURATED. THERE IS ALSO SOME SNOW IN THE NORTHERN SECTIONS OF THE AREA AND FARTHER NORTH IN THE UPPER DELAWARE BASIN. THE HEAVY RAIN ALONG WITH MILD TEMPERATURES WILL MELT THE SNOW, WHICH COULD EXACERBATE THE FLOOD POTENTIAL. 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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. $$ DEZ001-MDZ008-NJZ012-015-PAZ067>071-051100- /O.CON.KPHI.FA.A.0004.080305T0200Z-080305T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-MIDDLESEX-MERCER-CHESTER-MONTGOMERY-BUCKS- DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...NEW BRUNSWICK... TRENTON...WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA 321 PM EST TUE MAR 4 2008 ...FLOOD WATCH REMAINS IN EFFECT FROM 9 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NORTHEAST MARYLAND...CECIL. IN NEW JERSEY...MERCER AND MIDDLESEX. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER...DELAWARE... MONTGOMERY AND PHILADELPHIA. * FROM 9 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON * A NEAR STATIONARY FRONTAL ZONE RAN FROM NORTHERN NEW JERSEY ACROSS PENNSYLVANIA TO A LOW PRESSURE SYSTEM OVER KENTUCKY THIS AFTERNOON. THE LOW WILL MOVE NORTHEAST ALONG THE FRONT REACHING PENNSYLVANIA TONIGHT AND NEW ENGLAND THURSDAY. WARM MOIST AIR AHEAD OF THIS SYSTEM WILL LEAD TO THE POSSIBILITY OF HEAVY RAIN AND SCATTERED THUNDERSTORMS TONIGHT INTO WEDNESDAY MORNING. THE FLOOD POTENTIAL WOULD MORE LIKELY BE IN THE FORM OF URBAN AND SMALL STREAM FLOODING, BUT THERE WILL ALSO BE SIGNIFICANT WITHIN BANK RISES ON THE MAIN STEM RIVERS TOO. 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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. $$ RPW
000 WGUS61 KPHI 050315 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1015 PM EST TUE MAR 4 2008 ...AREAS OF FLOODING POSSIBLE OVERNIGHT INTO WEDNESDAY AFTERNOON... .A FRONTAL ZONE IS POSITIONED FROM NORTH-CENTRAL NEW JERSEY TO NORTH AND WEST OF PHILADELPHIA, WITH LOW PRESSURE LOCATED IN SOUTHWESTERN PENNSYLVANIA. AS THE AREA OF LOW PRESSURE TRACKS TO THE NORTHEAST OVERNIGHT, THE FRONTAL BOUNDARY IS EXPECTED TO GRADUALLY LIFT NORTHWARD. THE STORM WILL THEN MOVE INTO NEW ENGLAND DURING WEDNESDAY. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE AREAS OF HEAVY RAINFALL. NJZ001-007>010-PAZ054-055-060>062-051130- /O.CON.KPHI.FA.A.0004.000000T0000Z-080305T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON 1015 PM EST TUE MAR 4 2008 ...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA, INCLUDING THE FOLLOWING AREAS, IN NORTHERN NEW JERSEY, HUNTERDON, MORRIS, SOMERSET, SUSSEX AND WARREN. IN PENNSYLVANIA, BERKS, CARBON, LEHIGH, MONROE AND NORTHAMPTON. * THROUGH WEDNESDAY AFTERNOON. * PLENTY OF MOISTURE SURGING AHEAD OF A STORM SYSTEM WILL PRODUCE AREAS OF HEAVY RAINFALL OVERNIGHT INTO WEDNESDAY MORNING. MUCH OF OUR REGION HAS HAD AN ABOVE NORMAL AMOUNT OF PRECIPITATION OVER THE LAST MONTH, LEAVING THE GROUND ALREADY SATURATED. THERE IS ALSO SOME LINGERING SNOW IN THE NORTHERN SECTIONS OF THE AREA AND FARTHER NORTH IN THE UPPER DELAWARE BASIN. THE HEAVY RAIN ALONG WITH INCOMING MILDER AIR WILL MELT THE SNOW, WHICH COULD ENHANCE THE FLOOD POTENTIAL. IN ADDITION, ROUNDS OF HEAVY RAIN CAN PRODUCE AREAS OF FLOODING ON ROADWAYS AND IN POOR DRAINAGE AREAS. 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 TO TAKE ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED, ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. $$ DEZ001-MDZ008-NJZ012-015-PAZ067>071-051130- /O.CON.KPHI.FA.A.0004.000000T0000Z-080305T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-MIDDLESEX-MERCER-CHESTER-MONTGOMERY-BUCKS- DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...NEW BRUNSWICK... TRENTON...WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA 1015 PM EST TUE MAR 4 2008 ...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN DELAWARE, NORTHEAST MARYLAND, NEW JERSEY AND SOUTHEAST PENNSYLVANIA, INCLUDING THE FOLLOWING AREAS, IN NORTHERN DELAWARE, NEW CASTLE. IN NORTHEAST MARYLAND, CECIL. IN NEW JERSEY, MERCER AND MIDDLESEX. IN SOUTHEAST PENNSYLVANIA, BUCKS, CHESTER, DELAWARE, MONTGOMERY AND PHILADELPHIA. * THROUGH WEDNESDAY AFTERNOON. * PLENTY OF MOISTURE SURGING AHEAD OF A STORM SYSTEM WILL PRODUCE AREAS OF HEAVIER RAINFALL OVERNIGHT INTO WEDNESDAY MORNING. WARM MOIST AIR AHEAD OF THIS SYSTEM WILL LEAD TO THE POSSIBILITY OF SCATTERED THUNDERSTORMS OVERNIGHT INTO WEDNESDAY MORNING. THE FLOOD POTENTIAL WOULD MORE LIKELY BE IN THE FORM OF URBAN AND SMALL STREAM FLOODING, BUT THERE WILL ALSO BE SIGNIFICANT WITHIN BANK RISES ON THE MAIN STEM RIVERS TOO. IN ADDITION, ROUNDS OF HEAVY RAIN CAN PRODUCE AREAS OF FLOODING ON ROADWAYS AND IN POOR DRAINAGE AREAS. 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 TO TAKE ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERVED, ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. $$ GORSE
000 WGUS61 KPHI 051005 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 505 AM EST WED MAR 5 2008 ...AREAS OF FLOODING STILL POSSIBLE INTO WEDNESDAY AFTERNOON... A COLD FRONT MOVED OFF THE COAST DURING THE OVERNIGHT HOURS. AT THE SAME TIME, LOW PRESSURE ASSOCIATED WITH THIS FRONT WAS MOVING THROUGH CENTRAL AND NORTHEASTERN PENNSYLVANIA ON ITS WAY TO NORTHERN NEW ENGLAND BY LATE WEDNESDAY AFTERNOON. HEAVY RAIN WITH THE FRONT HAS ALREADY MOVED OFF THE COAST, BUT PRECIPITATION ASSOCIATED WITH THE LOW PRESSURE SYSTEM WAS STILL FALLING OVER CENTRAL AND NORTHERN NEW JERSEY...AS WELL AS NORTHEASTERN PENNSYLVANIA...WEDNESDAY MORNING. ADDITIONAL PRECIPITATION ASSOCIATED WITH AN UPPER LEVEL LOW PRESSURE SYSTEM...LOCATED OVER CENTRAL PENNSYLVANIA EARLY WEDNESDAY MORNING...WILL MOVE EAST BEFORE NOON ON WEDNESDAY. NJZ001-007>010-PAZ054-055-060>062-051800- /O.EXT.KPHI.FA.A.0004.000000T0000Z-080305T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON 505 AM EST WED MAR 5 2008 ...FLOOD WATCH NOW IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... THE FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN NEW JERSEY...HUNTERDON... MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA... BERKS...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * UNTIL 1 PM EST THIS AFTERNOON * BY 5 AM WEDNESDAY...BETWEEN ONE AND TWO INCHES OF RAIN HAD BEEN REPORTED ACROSS MUCH OF THE AREA...WITH SOME ISOLATED THREE INCH AMOUNTS DETECTED BY DOPPLER RADAR. THIS RAIN...IN COMBINATION WITH ADDITIONAL RAIN EXPECTED BY 9 AM...AND WITH ANY SNOWMELT...HAS THE POTENTIAL TO PRODUCE FLOODING IN AREAS OF POOR DRAINAGE. FLOODING IS ALSO STILL POSSIBLE ON SMALLER TRIBUTARY STREAMS. THE FLOOD WATCH THEREFORE CONTINUES INTO EARLY WEDNESDAY AFTERNOON. 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..STAY INFORMED...AND BE READY TO TAKE 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. $$ DEZ001-MDZ008-NJZ012-015-PAZ067>071-051800- /O.EXT.KPHI.FA.A.0004.000000T0000Z-080305T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-MIDDLESEX-MERCER-CHESTER-MONTGOMERY-BUCKS- DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...NEW BRUNSWICK... TRENTON...WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA 505 AM EST WED MAR 5 2008 ...FLOOD WATCH NOW IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... THE FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NORTHEAST MARYLAND...CECIL. IN NEW JERSEY...MERCER AND MIDDLESEX. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER...DELAWARE... MONTGOMERY AND PHILADELPHIA. * UNTIL 1 PM EST THIS AFTERNOON * BY 5 AM WEDNESDAY...BETWEEN ONE AND TWO INCHES OF RAIN HAD BEEN REPORTED ACROSS MUCH OF THE AREA. THIS RAIN...IN COMBINATION WITH ANY ADDITIONAL RAIN THAT MAY FALL BY 9 AM...HAS THE POTENTIAL TO PRODUCE FLOODING IN AREAS OF POOR DRAINAGE. THE FLOOD WATCH THEREFORE CONTINUES INTO EARLY WEDNESDAY AFTERNOON. A FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING ALONG STREAMS AND CREEKS...AND IN AREAS OF POOR DRAINAGE. IF YOU ARE IN THE WATCH AREA...STAY INFORMED...AND BE READY TO TAKE ACTION IF FLOODING IS OBSERVED OR IF A FLOOD WARNING IS ISSUED. ONE WAY TO KEEP ABREAST OF EXISTING AND FORECAST WATER CONDITIONS ON WATERWAYS THROUGHOUT THE REGION IS TO MONITOR THE ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/ AVAILABLE ON OUR HOMEPAGE AT WWW.WEATHER.GOV/PHI. JUST CLICK THE AHPS ICON ON THE LEFT HAND MENU. $$
000 WGUS61 KPHI 051530 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1030 AM EST WED MAR 5 2008 DEZ001-MDZ008-NJZ001-007>010-012-015-PAZ054-055-060>062-067>071- 051630- /O.CAN.KPHI.FA.A.0004.000000T0000Z-080305T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET- MIDDLESEX-MERCER-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-CHESTER- MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...NEWTON... WASHINGTON...MORRISTOWN...FLEMINGTON...SOMERVILLE... NEW BRUNSWICK...TRENTON...JIM THORPE...STROUDSBURG...READING... ALLENTOWN...BETHLEHEM...EASTON...WEST CHESTER...NORRISTOWN... DOYLESTOWN...MEDIA 1030 AM EST WED MAR 5 2008 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...NORTHEAST MARYLAND...NEW JERSEY AND PENNSYLVANIA HAS BEEN CANCELLED. $$ KRUZDLO
Nearby
Flood Watches in Pennsylvania, 2008Flood Watches in New Jersey, 2008Flood Watches in Maryland, 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.