Alert archive / New Jersey / Flood Watches in 2012
Flood Watch 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flood watch at Dec 25, 2012, 3:03 PM EST for 5 counties in Pennsylvania; 8 counties in New Jersey; New Castle County, Delaware. It took effect at Dec 26, 2012, 7:00 PM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 25, 2012, 3:03 PM EST (20:03 UTC)
- In effect from
- Dec 26, 2012, 7:00 PM EST
- Expired
- Dec 27, 2012, 3:18 AM EST
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
Counties New Castle County, DE, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 57 km from the middle of the area, began a volume at 20:05 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, 8.1 hours before the alert went out and 199 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
- 413 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
993 WGUS61 KPHI 252003 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 303 PM EST TUE DEC 25 2012 DEZ001-NJZ008>010-012-015-017>019-PAZ070-071-101>106-261100- /O.NEW.KPHI.FA.A.0003.121227T0000Z-121227T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-GLOUCESTER- CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA- WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...TRENTON...GLASSBORO...CAMDEN... CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA... HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE... COLLEGEVILLE...POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT... PERKASIE...MORRISVILLE...DOYLESTOWN 303 PM EST TUE DEC 25 2012 ...FLOOD WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NEW JERSEY...CAMDEN... GLOUCESTER...HUNTERDON...MERCER...MIDDLESEX...MORRIS... NORTHWESTERN BURLINGTON AND SOMERSET. IN SOUTHEAST PENNSYLVANIA...DELAWARE...EASTERN CHESTER...EASTERN MONTGOMERY...LOWER BUCKS...PHILADELPHIA...UPPER BUCKS... WESTERN CHESTER AND WESTERN MONTGOMERY. * FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING * 1.5 TO 2.0 INCHES OF RAIN IS EXPECTED TO FALL ACROSS THE WATCH AREA. WITH THE RECENT HEAVY RAIN, THE REGION HAS BECOME MORE VULNERABLE TO STREAM AND RIVER FLOODING AS WELL AS POOR DRAINAGE FLOODING. * EXPECT ROADWAYS THAT FLOOD DURING HEAVY RAIN WHETHER FROM POOR DRAINAGE OR STREAMS THEMSELVES TO START FLOODING ON WEDNESDAY EVENING AS THE HEAVIEST RAIN ARRIVES. STREAM AMD RIVER FLOODING COULD START AS EARLY AS WEDNESDAY EVENING AND PERSIST INTO THURSDAY. * WHILE FLOODING WILL BE CONCENTRATED ON SMALLER STREAMS AND CREEKS ACROSS THE AREA. THERE IS THE CHANCE FOR FLOODING ALONG THE LOWER SCHUYLKILL RIVER AND THE MAIN STEMS OF THE MILLSTONE, RARITAN AND PASSAIC RIVERS. THE CHANCES FOR FLOODING ALONG THESE RIVERS WOULD INCREASE IF RAINFALL TOTALS EXCEED TWO INCHES. * FLOODING IS NOT EXPECTED ALONG THE NON TIDAL SECTION OF THE DELAWARE RIVER NORTH OF TRENTON. 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. && $$ KRUZDLO/GIGI
5 follow-up statements
371 WGUS61 KPHI 260834 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 334 AM EST WED DEC 26 2012 DEZ001-NJZ008>010-012-015-017>019-PAZ070-071-101>106-262200- /O.CON.KPHI.FA.A.0003.121227T0000Z-121227T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-GLOUCESTER- CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA- WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...TRENTON...GLASSBORO...CAMDEN... CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA... HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE... COLLEGEVILLE...POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT... PERKASIE...MORRISVILLE...DOYLESTOWN 334 AM EST WED DEC 26 2012 ...FLOOD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NEW JERSEY...CAMDEN...GLOUCESTER... HUNTERDON...MERCER...MIDDLESEX...MORRIS...NORTHWESTERN BURLINGTON AND SOMERSET. IN SOUTHEAST PENNSYLVANIA... DELAWARE...EASTERN CHESTER...EASTERN MONTGOMERY...LOWER BUCKS...PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN MONTGOMERY. * FROM THIS EVENING THROUGH THURSDAY MORNING * 1.5 TO 2.0 INCHES OF RAIN IS EXPECTED TO FALL ACROSS THE WATCH AREA. WITH THE RECENT HEAVY RAIN...THE REGION HAS BECOME MORE VULNERABLE TO STREAM AND RIVER FLOODING AS WELL AS POOR DRAINAGE FLOODING. * EXPECT ROADWAYS THAT FLOOD DURING HEAVY RAIN WHETHER FROM POOR DRAINAGE OR STREAMS THEMSELVES TO START FLOODING LATE THIS AFTERNOON AND THIS EVENING AS THE HEAVIEST RAIN ARRIVES. STREAM AMD RIVER FLOODING COULD START AS EARLY AS WEDNESDAY EVENING AND PERSIST INTO THURSDAY. 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. && $$
443 WGUS61 KPHI 261959 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 259 PM EST WED DEC 26 2012 DEZ001-NJZ008>010-012-015-017>019-PAZ070-071-101>106-271100- /O.CON.KPHI.FA.A.0003.121227T0000Z-121227T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-GLOUCESTER- CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA- WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...TRENTON...GLASSBORO...CAMDEN... CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA... HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE... COLLEGEVILLE...POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT... PERKASIE...MORRISVILLE...DOYLESTOWN 259 PM EST WED DEC 26 2012 ...FLOOD WATCH REMAINS IN EFFECT FROM 7 PM EST THIS EVENING THROUGH THURSDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NEW JERSEY...CAMDEN...GLOUCESTER... HUNTERDON...MERCER...MIDDLESEX...MORRIS...NORTHWESTERN BURLINGTON AND SOMERSET. IN SOUTHEAST PENNSYLVANIA... DELAWARE...EASTERN CHESTER...EASTERN MONTGOMERY...LOWER BUCKS...PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN MONTGOMERY. * FROM 7 PM EST THIS EVENING THROUGH THURSDAY MORNING * 1.5 TO 2.0 INCHES OF RAIN IS EXPECTED TO FALL ACROSS THE WATCH AREA. WITH THE RECENT HEAVY RAIN...THE REGION HAS BECOME MORE VULNERABLE TO STREAM AND RIVER FLOODING AS WELL AS POOR DRAINAGE FLOODING. * EXPECT ROADWAYS THAT FLOOD DURING HEAVY RAIN WHETHER FROM POOR DRAINAGE OR STREAMS THEMSELVES TO START FLOODING LATE THIS AFTERNOON AND THIS EVENING AS THE HEAVIEST RAIN ARRIVES. STREAM AND RIVER FLOODING COULD START AS EARLY AS WEDNESDAY EVENING AND PERSIST INTO THURSDAY. * FLOODING MIGHT ALSO OCCUR ALONG THE LOWER SCHUYLKILL, MILLSTONE RARITAN AND PASSAIC RIVERS. FLOODING IS NOT EXPECTED TO OCCUR ALONG NON TIDAL SECTIONS OF THE DELAWARE RIVER. 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. && $$
104 WGUS61 KPHI 270215 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 915 PM EST WED DEC 26 2012 DEZ001-NJZ008>010-012-015-017>019-PAZ070-071-101>106-271015- /O.CON.KPHI.FA.A.0003.000000T0000Z-121227T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-GLOUCESTER- CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA- WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...MORRISTOWN...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...TRENTON...GLASSBORO...CAMDEN... CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA... HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE... COLLEGEVILLE...POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT... PERKASIE...MORRISVILLE...DOYLESTOWN 915 PM EST WED DEC 26 2012 ...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NEW JERSEY...CAMDEN...GLOUCESTER... HUNTERDON...MERCER...MIDDLESEX...MORRIS...NORTHWESTERN BURLINGTON AND SOMERSET. IN SOUTHEAST PENNSYLVANIA... DELAWARE...EASTERN CHESTER...EASTERN MONTGOMERY...LOWER BUCKS...PHILADELPHIA...UPPER BUCKS...WESTERN CHESTER AND WESTERN MONTGOMERY. * THROUGH THURSDAY MORNING * 1.5 TO 2.0 INCHES OF RAIN IS EXPECTED TO FALL ACROSS THE WATCH AREA. WITH THE RECENT HEAVY RAIN...THE REGION HAS BECOME MORE VULNERABLE TO STREAM AND RIVER FLOODING AS WELL AS POOR DRAINAGE FLOODING. * EXPECT ROADWAYS THAT FLOOD DURING HEAVY RAIN WHETHER FROM POOR DRAINAGE OR STREAMS THEMSELVES TO POSSIBLY FLOOD AS THE HEAVIEST RAINS CONTINUE TO MOVE THROUGH. STREAM AND RIVER FLOODING COULD START AS EARLY AS THIS EVENING AND PERSIST INTO THURSDAY. 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. && $$
852 WGUS61 KPHI 270526 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1226 AM EST THU DEC 27 2012 DEZ001-NJZ017>019-PAZ070-071-101>106-270630- /O.CAN.KPHI.FA.A.0003.000000T0000Z-121227T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE- PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY- EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- INCLUDING THE CITIES OF...WILMINGTON...GLASSBORO...CAMDEN... CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA... HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE... COLLEGEVILLE...POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT... PERKASIE...MORRISVILLE...DOYLESTOWN 1226 AM EST THU DEC 27 2012 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA HAS BEEN CANCELLED. THE HEAVIEST RAIN HAS EXITED THE AREA EARLY THIS MORNING. WHILE CREEKS AND STREAMS MAY RUN HIGH FOR A TIME THIS MORNING...THE THREAT FOR FLOODING IS DIMINISHING. THEREFORE...THE FLOOD WATCH HAS BEEN CANCELLED. $$ NJZ008>010-012-015-271330- /O.CON.KPHI.FA.A.0003.000000T0000Z-121227T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... NEW BRUNSWICK...TRENTON 1226 AM EST THU DEC 27 2012 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF CENTRAL NEW JERSEY...NORTHERN NEW JERSEY AND NORTHWEST NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN CENTRAL NEW JERSEY...MERCER. IN NORTHERN NEW JERSEY... MIDDLESEX...MORRIS AND SOMERSET. IN NORTHWEST NEW JERSEY... HUNTERDON. * UNTIL 10 AM EST THIS MORNING * BETWEEN 1 AND 2 INCHES OF RAIN HAS FALLEN ACROSS THE WATCH AREA...WHICH HEAVY RAIN STILL OCCURRING IN A PORTION OF THE AREA. THE ADDITIONAL HEAVY RAIN COULD RESULT IN FLOODING OF STREAMS...CREEKS AND SMALL RIVERS. * ROADWAY FLOODING WILL CONTINUE AS WELL THROUGH THE EARLY MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
627 WGUS61 KPHI 270818 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 318 AM EST THU DEC 27 2012 NJZ008>010-012-015-270930- /O.CAN.KPHI.FA.A.0003.000000T0000Z-121227T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER- INCLUDING THE CITIES OF...MORRISTOWN...FLEMINGTON...SOMERVILLE... NEW BRUNSWICK...TRENTON 318 AM EST THU DEC 27 2012 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR PORTIONS OF CENTRAL NEW JERSEY...NORTHERN NEW JERSEY AND NORTHWEST NEW JERSEY HAS BEEN CANCELLED. FLOODING IS OCCURRING ON A FEW CREEKS...STREAMS AND SMALL RIVERS. HOWEVER...ADDITIONAL FLOODING IS NOT EXPECTED...AND THE FLOOD WATCH HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 3:51 AM EST | Winter Storm Watch | PHI | Carbon, Monroe | 18 hr |
| Dec 25, 4:11 AM EST | Gale Watch | PHI | 12 hr | |
| Dec 25, 3:29 PM EST | Coastal Flood Watch | PHI | Middlesex, Monmouth, Ocean | 23 hr |
| Dec 25, 3:55 PM EST | Gale Warning | PHI | 60 hr | |
| Dec 25, 3:55 PM EST | Storm Watch | PHI | 12 hr |
Nearby
Flood Watches in New Jersey, 2012Flood Watches in Pennsylvania, 2012Flood Watches in Delaware, 2012Every flood watch in 2012
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.