Alert archive / New Jersey / Flash Flood Watches in 2011
Flash Flood Watch 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood watch at Apr 27, 2011, 3:26 PM EDT for 7 counties in New Jersey; 4 counties in Pennsylvania. It took effect at Apr 28, 2011, 6:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 27, 2011, 3:26 PM EDT (19:26 UTC)
- In effect from
- Apr 28, 2011, 6:00 AM EDT
- Expired
- Apr 28, 2011, 3:07 PM EDT
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 19:29 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, 7.4 hours before the alert went out and 169 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
- 139 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
794 WGUS61 KPHI 271926 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 326 PM EDT WED APR 27 2011 ...VERY HEAVY DOWNPOURS AT TIMES THURSDAY... .A COLD FRONT WILL SWEEP ACROSS THE AREA DURING THURSDAY WITH SHOWERS AND THUNDERSTORMS ACCOMPANYING IT. SOME OF THE STORMS MAY PRODUCE LOCALLY VERY HEAVY RAINFALL, WHICH COULD LEAD TO FLASH FLOODING. NJZ008-010-012-015-280800- /O.CAN.KPHI.FA.A.0007.110428T1400Z-110429T0200Z/ /O.NEW.KPHI.FF.A.0001.110428T1400Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MORRIS-SOMERSET-MIDDLESEX-MERCER- INCLUDING THE CITIES OF...MORRISTOWN...SOMERVILLE... NEW BRUNSWICK...TRENTON 326 PM EDT WED APR 27 2011 ...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... ...FLOOD WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL NEW JERSEY AND NORTHERN NEW JERSEY...INCLUDING THE FOLLOWING AREAS...IN CENTRAL NEW JERSEY...MERCER. IN NORTHERN NEW JERSEY... MIDDLESEX...MORRIS AND SOMERSET. * FROM THURSDAY MORNING THROUGH THURSDAY EVENING. * SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A STRONG COLD FRONT ON THURSDAY HAVE THE POTENTIAL TO PRODUCE ONE INCH OR MORE OF RAINFALL IN A SHORT PERIOD OF TIME. THE GROUND REMAINS SATURATED AND ANY ADDITIONAL HEAVY DOWNPOURS IN A SHORT PERIOD OF TIME COULD LEAD TO AREAS OF FLASH FLOODING. * THE QUICK HEAVY DOWNPOURS MAY LEAD TO FLASH FLOODING ON RIVERS AND CREEKS, AS WELL AS ON ROADWAYS AND AREAS OF POOR DRAINAGE. QUICK RESPONDING RIVERS AND SMALL STREAMS ALSO HAVE THE POTENTIAL TO EXCEED BANKFULL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ NJZ001-007-009-PAZ054-055-061-062-280800- /O.NEW.KPHI.FF.A.0001.110428T1400Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-HUNTERDON-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...FLEMINGTON... JIM THORPE...STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 326 PM EDT WED APR 27 2011 ...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NEW JERSEY... HUNTERDON...SUSSEX AND WARREN. IN PENNSYLVANIA...CARBON... LEHIGH...MONROE AND NORTHAMPTON. * FROM THURSDAY MORNING THROUGH THURSDAY EVENING. * SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A STRONG COLD FRONT ON THURSDAY HAVE THE POTENTIAL TO PRODUCE ONE INCH OR MORE OF RAINFALL IN A SHORT PERIOD OF TIME. THE GROUND IS SATURATED AND ANY HEAVY DOWNPOURS IN A SHORT PERIOD OF TIME COULD LEAD TO AREAS OF FLASH FLOODING. * THE QUICK HEAVY DOWNPOURS MAY LEAD TO FLASH FLOODING ON RIVERS AND CREEKS, AS WELL AS ON ROADWAYS AND AREAS OF POOR DRAINAGE. QUICK RESPONDING RIVERS AND SMALL STREAMS ALSO HAVE THE POTENTIAL TO EXCEED BANKFULL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ GORSE
6 follow-up statements
540 WGUS61 KPHI 280050 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 850 PM EDT WED APR 27 2011 ...VERY HEAVY DOWNPOURS AT TIMES THURSDAY... .A COLD FRONT WILL SWEEP ACROSS THE AREA DURING THURSDAY WITH SHOWERS AND THUNDERSTORMS ACCOMPANYING IT. SOME OF THE STORMS MAY PRODUCE LOCALLY VERY HEAVY RAINFALL, WHICH COULD LEAD TO FLASH FLOODING. NJZ001-007>010-012-015-PAZ054-055-061-062-280830- /O.CON.KPHI.FF.A.0001.110428T1400Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CARBON- MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...JIM THORPE... STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 850 PM EDT WED APR 27 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NEW JERSEY...HUNTERDON...MERCER... MIDDLESEX...MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * FROM THURSDAY MORNING THROUGH THURSDAY EVENING. * SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A STRONG COLD FRONT ON THURSDAY HAVE THE POTENTIAL TO PRODUCE ONE INCH OR MORE OF RAINFALL IN A SHORT PERIOD OF TIME. THE GROUND IS SATURATED AND ANY HEAVY DOWNPOURS IN A SHORT PERIOD OF TIME COULD LEAD TO AREAS OF FLASH FLOODING. * THE QUICK HEAVY DOWNPOURS MAY LEAD TO FLASH FLOODING ON RIVERS AND CREEKS, AS WELL AS ON ROADWAYS AND AREAS OF POOR DRAINAGE. QUICK RESPONDING RIVERS AND SMALL STREAMS ALSO HAVE THE POTENTIAL TO EXCEED BANKFULL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ GORSE
299 WGUS61 KPHI 280730 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 330 AM EDT THU APR 28 2011 ...VERY HEAVY DOWNPOURS AT TIMES TODAY... .A COLD FRONT WILL MOVE SLOWLY THROUGH OUR AREA THIS AFTERNOON AND INTO THIS EVENING...WITH SHOWERS AND THUNDERSTORMS ACCOMPANYING IT. SOME OF THE STORMS WILL PRODUCE LOCALLY VERY HEAVY RAINFALL... WHICH COULD LEAD TO FLASH FLOODING. NJZ001-007>010-012-015-PAZ054-055-061-062-281600- /O.CON.KPHI.FF.A.0001.110428T1400Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CARBON- MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...JIM THORPE... STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 330 AM EDT THU APR 28 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NEW JERSEY...HUNTERDON...MERCER... MIDDLESEX...MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * FROM 10 AM EDT THIS MORNING THROUGH THIS EVENING * SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A STRONG COLD FRONT ARE FORECAST TO PRODUCE THREE QUARTERS OF AN INCH TO ONE INCH OF RAIN IN A SHORT PERIOD OF TIME TODAY. LOCAL AMOUNTS MAY BE NEAR ONE AND A HALF INCHES. THE GROUND IS MOSTLY STILL VERY WET...AND EXPECTED HEAVY DOWNPOURS IN A SHORT PERIOD OF TIME COULD LEAD TO AREAS OF FLASH FLOODING. * THE HEAVY DOWNPOURS MAY LEAD TO FLASH FLOODING ON STREAMS AND CREEKS...AS WELL AS ON ROADWAYS AND IN AREAS OF POOR DRAINAGE. THE QUICKER-RESPONDING RIVERS WILL HAVE SIGNIFICANT RISES AND HAVE THE POTENTIAL TO EXCEED BANKFULL AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$
449 WGUS61 KPHI 280813 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 413 AM EDT THU APR 28 2011 ...VERY HEAVY DOWNPOURS AT TIMES TODAY... .A COLD FRONT WILL MOVE SLOWLY THROUGH OUR AREA THIS AFTERNOON AND INTO THIS EVENING...WITH SHOWERS AND THUNDERSTORMS PRECEDING AND ACCOMPANYING IT. SOME OF THE STORMS WILL PRODUCE LOCALLY VERY HEAVY RAINFALL...WHICH COULD LEAD TO FLASH FLOODING. NJZ001-007>010-012-015-PAZ054-055-061-062-281600- /O.EXT.KPHI.FF.A.0001.110428T1000Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CARBON- MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...JIM THORPE... STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 413 AM EDT THU APR 28 2011 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS EVENING... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NEW JERSEY...HUNTERDON...MERCER... MIDDLESEX...MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * THROUGH THIS EVENING * SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A STRONG COLD FRONT ARE FORECAST TO PRODUCE THREE QUARTERS OF AN INCH TO ONE INCH OF RAIN IN A SHORT PERIOD OF TIME TODAY. LOCAL AMOUNTS MAY BE NEAR ONE AND A HALF INCHES. THE GROUND IS MOSTLY STILL VERY WET...AND EXPECTED HEAVY DOWNPOURS IN A SHORT PERIOD OF TIME COULD LEAD TO AREAS OF FLASH FLOODING. * THE HEAVY DOWNPOURS MAY LEAD TO FLASH FLOODING ON STREAMS AND CREEKS...AS WELL AS ON ROADWAYS AND IN AREAS OF POOR DRAINAGE. THE QUICKER-RESPONDING RIVERS WILL HAVE SIGNIFICANT RISES AND HAVE THE POTENTIAL TO EXCEED BANKFULL AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$
638 WGUS61 KPHI 281617 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1217 PM EDT THU APR 28 2011 ...VERY HEAVY DOWNPOURS AT TIMES TODAY... .A COLD FRONT WILL MOVE SLOWLY THROUGH OUR AREA THIS AFTERNOON AND INTO THIS EVENING...WITH SHOWERS AND THUNDERSTORMS PRECEDING AND ACCOMPANYING IT. SOME OF THE STORMS WILL PRODUCE LOCALLY VERY HEAVY RAINFALL...WHICH COULD LEAD TO FLASH FLOODING. NJZ001-007>010-012-015-PAZ054-055-061-062-290200- /O.CON.KPHI.FF.A.0001.000000T0000Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CARBON- MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...SOMERVILLE...NEW BRUNSWICK...TRENTON...JIM THORPE... STROUDSBURG...ALLENTOWN...BETHLEHEM...EASTON 1217 PM EDT THU APR 28 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NEW JERSEY...HUNTERDON...MERCER... MIDDLESEX...MORRIS...SOMERSET...SUSSEX AND WARREN. IN PENNSYLVANIA...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * UNTIL 10 PM EDT THIS EVENING * SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A STRONG COLD FRONT ARE FORECAST TO PRODUCE THREE QUARTERS OF AN INCH TO ONE INCH OF RAIN IN A SHORT PERIOD OF TIME TODAY. LOCAL AMOUNTS MAY BE NEAR ONE AND A HALF INCHES. THE GROUND IS MOSTLY STILL VERY WET...AND EXPECTED HEAVY DOWNPOURS IN A SHORT PERIOD OF TIME COULD LEAD TO AREAS OF FLASH FLOODING. * THE HEAVY DOWNPOURS MAY LEAD TO FLASH FLOODING ON STREAMS AND CREEKS...AS WELL AS ON ROADWAYS AND IN AREAS OF POOR DRAINAGE. THE QUICKER-RESPONDING RIVERS WILL HAVE SIGNIFICANT RISES AND HAVE THE POTENTIAL TO EXCEED BANKFULL AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$
552 WGUS61 KPHI 281742 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 142 PM EDT THU APR 28 2011 NJZ001-007>009-PAZ054-055-061-062-281845- /O.CAN.KPHI.FF.A.0001.000000T0000Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-HUNTERDON-CARBON-MONROE-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... FLEMINGTON...JIM THORPE...STROUDSBURG...ALLENTOWN...BETHLEHEM... EASTON 142 PM EDT THU APR 28 2011 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF NEW JERSEY AND PENNSYLVANIA HAS BEEN CANCELLED. MOST OF THE HEAVIEST RAINS HAVE MOVED TO THE EAST. ANY ADDITIONAL SHOWERS WILL PRODUCE ONLY LIGHT RAIN TOTALS. $$ NJZ010-012-015-290200- /O.CON.KPHI.FF.A.0001.000000T0000Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SOMERSET-MIDDLESEX-MERCER- INCLUDING THE CITIES OF...SOMERVILLE...NEW BRUNSWICK...TRENTON 142 PM EDT THU APR 28 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF CENTRAL NEW JERSEY AND NORTHERN NEW JERSEY... INCLUDING THE FOLLOWING AREAS...IN CENTRAL NEW JERSEY... MERCER. IN NORTHERN NEW JERSEY...MIDDLESEX AND SOMERSET. * UNTIL 10 PM EDT THIS EVENING * SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A STRONG COLD FRONT ARE FORECAST TO PRODUCE THREE QUARTERS OF AN INCH TO ONE INCH OF RAIN IN A SHORT PERIOD OF TIME THIS AFTERNOON. LOCAL AMOUNTS MAY BE NEAR ONE AND A HALF INCHES. THE GROUND IS MOSTLY STILL VERY WET...AND EXPECTED HEAVY DOWNPOURS IN A SHORT PERIOD OF TIME COULD LEAD TO AREAS OF FLASH FLOODING. * THE HEAVY DOWNPOURS MAY LEAD TO FLASH FLOODING ON STREAMS AND CREEKS...AS WELL AS ON ROADWAYS AND IN AREAS OF POOR DRAINAGE. THE QUICKER-RESPONDING RIVERS WILL HAVE SIGNIFICANT RISES AND HAVE THE POTENTIAL TO EXCEED BANK-FULL AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$
272 WGUS61 KPHI 281907 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 307 PM EDT THU APR 28 2011 NJZ010-012-015-282015- /O.CAN.KPHI.FF.A.0001.000000T0000Z-110429T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SOMERSET-MIDDLESEX-MERCER- INCLUDING THE CITIES OF...SOMERVILLE...NEW BRUNSWICK...TRENTON 307 PM EDT THU APR 28 2011 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL NEW JERSEY AND NORTHERN NEW JERSEY HAS BEEN CANCELLED. ONLY SCATTERED SHOWERS WILL BE ACROSS THE AREA THE REST OF THE AFTERNOON INTO THE EVENING. ANY ADDITIONAL RAINFALL IS NOT EXPECTED TO BE GREAT ENOUGH TO PRODUCE FLASH FLOODING. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 9:25 PM EDT | Marine Dense Fog Advisory | PHI | 6 hr | |
| Apr 27, 12:08 AM EDT | Special Weather Statement | PHI | Morris, Sussex, Warren | 67 min |
| Apr 27, 12:34 AM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 56 min |
| Apr 27, 12:43 AM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 62 min |
| Apr 27, 1:19 AM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Middlesex, Somerset | 56 min |
| Apr 27, 3:25 AM EDT | Special Weather Statement | PHI | Hunterdon, Morris | 65 min |
| Apr 27, 3:30 AM EDT | Flood Watch | PHI | Mercer, Middlesex, Morris, Somerset | 12 hr |
| Apr 27, 2:31 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 44 min |
| Apr 27, 3:29 PM EDT | Special Weather Statement | PHI | Morris, Somerset | 61 min |
| Apr 27, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset, Sussex | 66 min |
| Apr 27, 4:16 PM EDT | Special Weather Statement | PHI | Salem | 59 min |
| Apr 27, 4:43 PM EDT | Special Weather Statement | PHI | Camden, Cumberland, Gloucester, Salem | 62 min |
| Apr 27, 4:43 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 36 min |
| Apr 27, 4:50 PM EDT | Special Marine Warning | PHI | 12 min | |
| Apr 27, 5:22 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester | 83 min |
| Apr 26, 10:01 PM EDT | Special Weather Statement | PHI | Carbon | 59 min |
| Apr 26, 10:55 PM EDT | Special Weather Statement | PHI | Monroe | 50 min |
| Apr 26, 11:10 PM EDT | Special Weather Statement | PHI | Berks | 65 min |
| Apr 26, 11:34 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon | 56 min |
| Apr 26, 11:41 PM EDT | Special Weather Statement | PHI | Monroe | 64 min |
| Apr 26, 11:45 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 60 min |
| Apr 27, 1:48 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 87 min |
Nearby
Flash Flood Watches in New Jersey, 2011Flash Flood Watches in Pennsylvania, 2011Every flash flood watch in 2011
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.