Alert archive / New Jersey / Flood Watches in 2009
Flood Watch 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flood watch at Jun 4, 2009, 2:54 PM EDT for 4 states. It took effect at Jun 5, 2009, 8:00 AM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jun 4, 2009, 2:54 PM EDT (18:54 UTC)
- In effect from
- Jun 5, 2009, 8:00 AM EDT
- Expired
- Jun 5, 2009, 8:14 PM EDT
- In force
- 12 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
Counties New Castle County, DE, Cecil County, MD, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Salem County, NJ, Somerset County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 50 km from the middle of the area, began a volume at 18:57 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, 6.9 hours before the alert went out and 118 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
- 500 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 183 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 041854 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 254 PM EDT THU JUN 4 2009 DEZ001-MDZ008-NJZ008>010-012-013-015>019-PAZ067>071-051000- /O.NEW.KPHI.FA.A.0004.090605T1200Z-090606T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN- NORTHWESTERN BURLINGTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE- PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON... PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN... MOUNT HOLLY...WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA... PHILADELPHIA 254 PM EDT THU JUN 4 2009 ...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...NORTHEAST MARYLAND...NEW JERSEY AND SOUTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN DELAWARE...NEW CASTLE. IN NORTHEAST MARYLAND...CECIL. IN NEW JERSEY...CAMDEN... GLOUCESTER...HUNTERDON...MERCER...MIDDLESEX...MORRIS... NORTHWESTERN BURLINGTON...SALEM...SOMERSET AND WESTERN MONMOUTH. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER... DELAWARE...MONTGOMERY AND PHILADELPHIA. * FROM FRIDAY MORNING THROUGH FRIDAY EVENING * RAINFALL AMOUNTS OF UP TO TWO INCHES ARE POSSIBLE IN THE WATCH AREA THROUGH FRIDAY AS LOW PRESSURE MOVES UP FROM THE GULF REGION TO OFF THE NORTHERN MID ATLANTIC COAST. SUCH AMOUNTS MAY CAUSE SMALLER STREAMS AND CREEKS TO OVERFLOW THEIR BANKS AND MAY CAUSE SIGNIFICANT WITHIN-BANK RISES ON LARGER RIVERS. 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. && $$ KRUZDLO/DELISI
3 follow-up statements
000 WGUS61 KPHI 050801 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 401 AM EDT FRI JUN 5 2009 NJZ008-050915- /O.CAN.KPHI.FA.A.0004.090605T1200Z-090606T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MORRIS- INCLUDING THE CITY OF...MORRISTOWN 401 AM EDT FRI JUN 5 2009 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR MORRIS COUNTY HAS BEEN CANCELLED. THE HEAVIEST RAIN IS EXPECTED TO REMAIN SOUTHEAST OF THE AREA. $$ DEZ001-MDZ008-NJZ009-010-012-013-015>019-PAZ067>071-052015- /O.CON.KPHI.FA.A.0004.090605T1200Z-090606T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH- MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CHESTER- MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 401 AM EDT FRI JUN 5 2009 ...FLOOD WATCH REMAINS IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... 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...CAMDEN...GLOUCESTER... HUNTERDON...MERCER...MIDDLESEX...NORTHWESTERN BURLINGTON... SALEM...SOMERSET AND WESTERN MONMOUTH. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER...DELAWARE...MONTGOMERY AND PHILADELPHIA. * FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING * RAINFALL AMOUNTS OF AROUND ONE INCH WITH UP TO TWO INCHES POSSIBLE IN THE WATCH AREA THROUGH TONIGHT AS LOW PRESSURE MOVES OFF THE NORTHERN MID ATLANTIC COAST TONIGHT. SUCH AMOUNTS MAY CAUSE SMALLER STREAMS AND CREEKS TO OVERFLOW THEIR BANKS AND MAY CAUSE SIGNIFICANT WITHIN BANK RISES ON LARGER RIVERS. MAJOR RIVERS SUCH AS THE SCHUYLKILL AND DELAWARE ARE NOT EXPECTED TO FLOOD AS LESS RAIN SHOULD FALL IN THEIR HEADWATER REGIONS. IN URBAN AREAS THERE WILL BE PONDING OF WATER IN POOR DRAINAGE AREAS DURING PERIODS OF HEAVIER RAIN. 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. && $$ GIGI
000 WGUS61 KPHI 051958 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 358 PM EDT FRI JUN 5 2009 DEZ001-MDZ008-NJZ009-010-012-013-015>019-PAZ067>071-060200- /O.CON.KPHI.FA.A.0004.000000T0000Z-090606T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH- MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CHESTER- MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 358 PM EDT FRI JUN 5 2009 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... 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...CAMDEN...GLOUCESTER... HUNTERDON...MERCER...MIDDLESEX...NORTHWESTERN BURLINGTON... SALEM...SOMERSET AND WESTERN MONMOUTH. IN SOUTHEAST PENNSYLVANIA...BUCKS...CHESTER...DELAWARE...MONTGOMERY AND PHILADELPHIA. * UNTIL 10 PM EDT THIS EVENING * RAINFALL AMOUNTS AROUND THREE QUARTERS OF AN INCH WITH UP TO ONE AND ONE-HALF INCHES ARE POSSIBLE IN THE WATCH AREA THROUGH TONIGHT. SUCH AMOUNTS MAY CAUSE SMALLER STREAMS AND CREEKS TO APPROACH BANKFULL OR OVERFLOW AND MAY ALSO CAUSE SIGNIFICANT WITHIN BANK RISES ON LARGER RIVERS. MAJOR RIVERS SUCH AS THE SCHUYLKILL AND DELAWARE ARE NOT EXPECTED TO FLOOD AS LESS RAIN SHOULD FALL IN THEIR HEADWATER REGIONS. IN URBAN AREAS THERE WILL BE PONDING OF WATER IN POOR DRAINAGE AREAS DURING PERIODS OF HEAVIER RAIN. 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
000 WGUS61 KPHI 060014 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 814 PM EDT FRI JUN 5 2009 DEZ001-MDZ008-NJZ009-010-012-013-015>019-PAZ067>071-060115- /O.CAN.KPHI.FA.A.0004.000000T0000Z-090606T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NEW CASTLE-CECIL-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH- MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CHESTER- MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...ELKTON...FLEMINGTON... SOMERVILLE...NEW BRUNSWICK...FREEHOLD...TRENTON...PENNSVILLE... GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN...MOUNT HOLLY... WEST CHESTER...NORRISTOWN...DOYLESTOWN...MEDIA...PHILADELPHIA 814 PM EDT FRI JUN 5 2009 ...FLOOD WATCH IS CANCELLED... ALTHOUGH SOME LIGHT RAIN REMAINS ACROSS THE REGION, THE FLOOD WATCH FOR PORTIONS OF NORTHERN DELAWARE, NORTHEAST MARYLAND, NEW JERSEY AND SOUTHEAST PENNSYLVANIA HAS BEEN CANCELLED. FLOODING IS NO LONGER A THREAT. $$ KRUZDLO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 3:04 PM EDT | Coastal Flood Statement | PHI | Atlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean | 31 hr |
| Jun 4, 3:30 PM EDT | Small Craft Advisory | PHI | 44 hr |
Nearby
Flood Watches in New Jersey, 2009Flood Watches in Pennsylvania, 2009Flood Watches in Delaware, 2009Every flood watch in 2009
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.