Alert archive / New Jersey / Flash Flood Watches in 2013
Flash Flood Watch 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood watch at Jun 26, 2013, 3:24 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It took effect at Jun 27, 2013, 4:00 PM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jun 26, 2013, 3:24 PM EDT (19:24 UTC)
- In effect from
- Jun 27, 2013, 4:00 PM EDT
- Expired
- Jun 28, 2013, 12:01 AM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 115 km from the middle of the area, began a volume at 19:27 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, 7.4 hours before the alert went out and 158 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
- 243 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 1078 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
865 WGUS61 KPHI 261924 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 324 PM EDT WED JUN 26 2013 NJZ001-007-008-271000- /O.NEW.KPHI.FF.A.0003.130627T2000Z-130628T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN 324 PM EDT WED JUN 26 2013 ...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A * FLASH FLOOD WATCH FOR A PORTION OF NORTHERN NEW JERSEY... INCLUDING THE FOLLOWING AREAS...MORRIS...SUSSEX AND WARREN. * FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING * SHOWERS AND THUNDERSTORMS WILL INCREASE IN COVERAGE THURSDAY AFTERNOON INTO THURSDAY NIGHT. SOME OF THESE THUNDERSTORMS COULD PRODUCE HEAVY RAINFALL IN A SHORT AMOUNT OF TIME AND PRODUCE FLASH FLOODING. WHERE THE HEAVIEST RAIN FALLS, 1 TO 2 WITH LOCALLY 3 INCHES COULD ACCUMULATE. * ONE TO THREE INCHES OF RAIN WOULD CAUSE URBAN AND POOR DRAINAGE FLOODING. * ALTHOUGH MAIN STEM RIVERS SUCH AS THE PASSAIC, RARITAN, AND THE DELAWARE COULD RISE A COUPLE FEET, THEY ARE EXPECTED TO REMAIN WITHIN THEIR BANKS. 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. && $$ KRUZDLO/NIERENBERG/MEOLA
3 follow-up statements
412 WGUS61 KPHI 270757 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 357 AM EDT THU JUN 27 2013 NJZ001-007-008-272100- /O.CON.KPHI.FF.A.0003.130627T2000Z-130628T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN 357 AM EDT THU JUN 27 2013 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH FRIDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHERN NEW JERSEY...INCLUDING THE FOLLOWING AREAS...MORRIS...SUSSEX AND WARREN. * FROM THIS AFTERNOON THROUGH FRIDAY MORNING. * SHOWERS AND SOME THUNDERSTORMS WILL INCREASE IN COVERAGE THIS AFTERNOON THROUGH THIS EVENING. SOME THUNDERSTORMS COULD PRODUCE VERY HEAVY RAINFALL IN A SHORT PERIOD OF TIME ON THE ORDER OF 1 TO 2 INCHES. WHERE THE HEAVIER RAIN OCCURS, LOCALLY 3 INCHES IS POSSIBLE THROUGH TONIGHT. * ONE TO THREE INCHES OF RAIN WOULD CAUSE LOCAL FLASH FLOODING ALONG WITH URBAN AND POOR DRAINAGE FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
661 WGUS61 KPHI 271943 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 343 PM EDT THU JUN 27 2013 NJZ001-007-008-280900- /O.EXT.KPHI.FF.A.0003.130627T2000Z-130628T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN 343 PM EDT THU JUN 27 2013 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * A PORTION OF NORTHERN NEW JERSEY...INCLUDING THE FOLLOWING AREAS...MORRIS...SUSSEX AND WARREN. * THROUGH LATE TONIGHT * SHOWERS AND SOME THUNDERSTORMS WILL INCREASE IN COVERAGE THIS EVENING. SOME THUNDERSTORMS WILL PRODUCE TORRENTIAL RAINFALL OVER A SHORT PERIOD OF TIME WITH ISOLATED 1 TO 2 INCH AMOUNTS POSSIBLE IN AN HOURS TIME. WHERE THE HEAVY SHOWERS CAN REPEAT IN TWO EPISODES...LOCALLY 3 INCHES IS POSSIBLE THROUGH TONIGHT. * WHERE ONE TO THREE INCHES OF RAIN OCCURS IN LESS THAN 90 MINUTES TONIGHT... LOCAL FLASH FLOODING WOULD OCCUR INCLUDING SUBSTANTIAL URBAN AND POOR DRAINAGE FLOODING. * A COUPLE OF SMALL STREAMS MAY RAPIDLY RISE AND EXCEED FLOOD STAGE LATER THIS EVENING. * RAIN FREE WEATHER FOR A LARGE PORTION OF FRIDAY SHOULD ALLOW RECOVERY FROM ANY FLOODING THAT OCCURS TONIGHT. 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. && $$ DRAG
358 WGUS61 KPHI 280401 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1201 AM EDT FRI JUN 28 2013 NJZ001-007-008-280515- /O.CAN.KPHI.FF.A.0003.000000T0000Z-130628T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN 1201 AM EDT FRI JUN 28 2013 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR A PORTION OF NORTHERN NEW JERSEY HAS BEEN CANCELLED. THE HEAVY SHOWERS AND THUNDERSTORMS HAVE SHIFTED NORTH OF THE AREA WITH A FEW SHOWERS LINGERING OVERNIGHT. THE THREAT OF FLASH FLOODING HAS THEREFORE ENDED AND THE WATCH HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 9:09 PM EDT | Special Weather Statement | PHI | Hunterdon, Warren | 51 min |
| Jun 25, 10:01 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 119 min |
| Jun 25, 10:47 PM EDT | Special Weather Statement | PHI | Gloucester, Salem | 58 min |
| Jun 25, 11:10 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jun 25, 11:22 PM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 53 min |
| Jun 25, 11:45 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jun 26, 7:08 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth | 37 min |
| Jun 26, 7:29 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 46 min |
| Jun 26, 7:36 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jun 26, 7:48 PM EDT | Special Marine Warning | PHI | 57 min |
Nearby
Flash Flood Watches in New Jersey, 2013Every flash flood watch in 2013
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.