Alert archive / New Jersey / Flood Watches in 2014
Flood Watch 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flood watch at Feb 20, 2014, 3:09 PM EST for 5 counties in Pennsylvania; New Castle County, Delaware; 8 counties in New Jersey. It took effect at Feb 21, 2014, 10:00 AM EST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 20, 2014, 3:09 PM EST (20:09 UTC)
- In effect from
- Feb 21, 2014, 10:00 AM EST
- Expired
- Feb 21, 2014, 3:35 PM EST
- In force
- 6 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 20:11 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, 8.2 hours before the alert went out and 119 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
- 1880 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
296 WGUS61 KPHI 202009 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 309 PM EST THU FEB 20 2014 DEZ001-NJZ008>010-012-015-017>019-PAZ070-071-101>106-211100- /O.NEW.KPHI.FA.A.0002.140221T1500Z-140222T0300Z/ /00000.0.RS.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 309 PM EST THU FEB 20 2014 ...FLOOD WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... 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 FRIDAY MORNING THROUGH FRIDAY EVENING * THE COMBINATION OF WARM TEMPERATURES...RELATIVELY HIGH DEW POINT TEMPERATURES...RAIN AND WIND...WILL RESULT IN INCREASED SNOW MELT AND RUNOFF ON FRIDAY. NATIONAL WEATHER SERVICE HYDROLOGIC MODELS INDICATE THIS RUNOFF MAY CAUSE NUMEROUS STREAMS AND RIVERS IN THE WATCH AREA TO APPROACH OR EXCEED FLOOD STAGE. ANOTHER FACTOR TO CONSIDER IS RIVER ICE...WHICH MAY BREAK UP AND MOVE WITH INCREASED STREAM FLOW...ADDING TO THE FLOOD THREAT IF ICE JAMS HAPPEN TO FORM. * IN ADDITION TO STREAM AND RIVER FLOODING...URBAN AND POOR DRAINAGE FLOODING IS EXPECTED...ESPECIALLY WHERE SNOW AND ICE CLOG STORM DRAINS. DRIVING MAY BECOME DIFFICULT ON FRIDAY DUE TO EXCESSIVE PONDING OF WATER ON ROADWAYS. 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. BASEMENT FLOODING IS POSSIBLE DUE TO RAIN FALLING ON FROZEN GROUND. IF YOUR HOME HAS A HISTORY OF BASEMENT FLOODING, MONITOR YOUR SUMP PUMP FOR PROPER OPERATION, AND IF POSSIBLE, DIRECT OUTSIDE WATER FLOW AWAY FROM YOUR HOME. && $$
2 follow-up statements
400 WGUS61 KPHI 210900 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 400 AM EST FRI FEB 21 2014 DEZ001-NJZ008>010-012-015-017>019-PAZ070-071-101>106-212100- /O.CON.KPHI.FA.A.0002.140221T1500Z-140222T0300Z/ /00000.0.RS.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 400 AM EST FRI FEB 21 2014 ...FLOOD WATCH REMAINS IN EFFECT FROM 10 AM EST THIS MORNING THROUGH THIS EVENING... THE FLOOD WATCH CONTINUES FOR * NEW CASTLE COUNTY IN DELAWARE. THE NEW JERSEY COUNTIES OF GLOUCESTER, CAMDEN, NORTHWESTERN BURLINGTON, MERCER, MIDDLESEX, SOMERSET, HUNTERDON AND MORRIS. THE PENNSYLVANIA COUNTIES OF BUCKS, MONTGOMERY, CHESTER, DELAWARE AND PHILADELPHIA. * FROM 1000 AM THIS MORNING UNTIL 1000 PM THIS EVENING * THE COMBINATION OF A DEVELOPING SOUTHERLY WIND AND MILD TEMPERATURES TODAY ALONG WITH A BRIEF PERIOD OF MODERATE TO HEAVY RAINFALL THIS AFTERNOON WILL RESULT IN INCREASED SNOW MELT. RAINFALL AMOUNTS ARE EXPECTED TO BE MAINLY IN THE QUARTER TO HALF INCH RANGE WITH LOCALLY HIGHER AMOUNTS. HOWEVER, THE RAINFALL IN COMBINATION WITH THE MELTING SNOW MAY RESULT IN MINOR FLOODING. ALSO, THE MOVEMENT OF MELTING ICE ON AREA RIVERS AND STREAMS MAY CAUSE ICE JAMS TO DEVELOP LEADING TO ADDITIONAL FLOODING. * MINOR FLOODING IS POSSIBLE ALONG AREA RIVERS AND STREAMS DUE TO THE EXPECTED RAINFALL, SNOW MELT AND THE MOVEMENT OF ICE ON THE WATERWAYS AND THE POTENTIAL FOR ICE JAMS. ALSO, FLOODING OF ROADWAYS AND AREAS OF POOR DRAINAGE IS EXPECTED AS MANY STORM DRAINS REMAIN BLOCKED BY SNOW AND ICE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THAT THERE IS THE POTENTIAL FOR FLOODING BASED ON THE CURRENT FORECAST. MONITOR THE UPDATED FORECASTS THOUGH THE DAY AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. IF YOU LIVE IN AN AREA THAT IS PRONE TO FLOODING, BE PREPARED TO TAKE ACTION IF THE WATER BEGINS TO RISE. IF YOUR HOME HAS A HISTORY OF BASEMENT FLOODING CHECK YOUR SUMP PUMP TO MAKE SURE THAT IT IS OPERATING PROPERLY. BE SURE TO DIRECT THE OUTSIDE WATER FLOW AWAY FROM YOUR HOME. && $$ IOVINO
828 WGUS61 KPHI 212035 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 335 PM EST FRI FEB 21 2014 DEZ001-NJZ008>010-012-015-017>019-PAZ070-071-101>106-212145- /O.CAN.KPHI.FA.A.0002.000000T0000Z-140222T0300Z/ /00000.0.RS.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 335 PM EST FRI FEB 21 2014 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE...NEW JERSEY AND SOUTHEAST PENNSYLVANIA HAS BEEN CANCELLED. BETWEEN ONE HALF AND ONE INCH OF RAIN HAS FALLEN OVER THE AREA SINCE FRIDAY MORNING. HOWEVER, SNOW MELT WAS LESS THAN EXPECTED DUE TO COOLER TEMPERATURES, SO RUNOFF WAS ALSO LESS THAN EXPECTED. WHILE MINOR RISES ARE BEING REPORTED ON AREA STREAMS AND RIVERS...STREAM FLOODING NO LONGER POSES A MAJOR THREAT. THE FLOOD WATCH HAS THEREFORE BEEN CANCELLED. STREET AND POOR DRAINAGE FLOODING MAY CONTINUE INTO THE EVENING HOURS IN RESPONSE TO THE RAIN WHICH MOVED THROUGH TODAY. FLOOD ADVISORIES REMAIN IN EFFECT FOR THE VULNERABLE AREAS. IT IS ANTICIPATED THESE ADVISORIES WILL BE CANCELLED LATE THIS AFTERNOON OR EARLY THIS EVENING. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 3:40 AM EST | Small Craft Advisory | PHI | 44 hr |
Nearby
Flood Watches in New Jersey, 2014Flood Watches in Pennsylvania, 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.