Alert archive / Pennsylvania / Flash Flood Watches in 2006
Flash Flood Watch 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood watch at Jul 12, 2006, 3:45 AM EDT for Morris County, Sussex County, Warren County, New Jersey; 5 counties in Pennsylvania. It took effect at Jul 12, 2006, 3:00 PM EDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Jul 12, 2006, 3:45 AM EDT (07:45 UTC)
- In effect from
- Jul 12, 2006, 3:00 PM EDT
- Expired
- Jul 13, 2006, 3:46 AM EDT
- In force
- 13 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 122 km from the middle of the area, began a volume at 07:45 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 00:00Z, 7.8 hours before the alert went out and 202 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
- 1349 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 858 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS61 KPHI 120745 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 345 AM EDT WED JUL 12 2006 NJZ001-007-008-PAZ054-055-060>062-121800- /O.NEW.KPHI.FF.A.0005.060712T1900Z-060713T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM... EASTON 345 AM EDT WED JUL 12 2006 ...FLASH FLOOD WATCH IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA AND NORTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN NEW JERSEY...MORRIS...SUSSEX AND WARREN IN EAST CENTRAL PENNSYLVANIA...BERKS...LEHIGH AND NORTHAMPTON IN NORTHEAST PENNSYLVANIA...CARBON AND MONROE. * FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT * LOW PRESSURE MOVING FROM THE SOUTHERN GREAT LAKES AND OHIO VALLEY WILL MOVE JUST NORTH OF OUR AREA TODAY AND INTO NEW ENGLAND TONIGHT, BRINGING A FRONT THROUGH OUR AREA. THIS FRONT, COMBINED WITH THE EXTREMELY HUMID AND UNSTABLE AIRMASS IN PLACE, WILL LEAD TO NUMEROUS SHOWERS AND THUNDERSTORMS. SOME OF THE THUNDERSTORMS WILL YIELD EXCESSIVE RAINFALL IN A SHORT PERIOD OF TIME THIS AFTERNOON INTO TONIGHT. A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN ACROSS THE WATCH AREA...WHICH MAY LEAD TO FLOODING OF URBAN AREAS, ROADS AND HIGHWAYS, SMALL STREAMS AND CREEKS AS WELL AS OTHER DRAINAGE AREAS IN A SHORT TIME PERIOD. PEOPLE IN THE WATCH AREA SHOULD LOOK FOR HEAVY RAINFALL AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLOODING OCCURS OR A WARNING IS ISSUED. FLASH FLOODING IS A VERY DANGEROUS LIFE THREATENING SITUATION. IF YOU ARE IN THE WATCH AREA...CHECK YOUR PREPAREDNESS REQUIREMENTS. KEEP INFORMED...AND BE READY FOR ACTION. IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED, MOVE TO HIGHER GROUND IMMEDIATELY. STAY AWAY FROM AREAS WHERE WATER IS FLOWING, AND NEVER DRIVE THROUGH WATER. TURN AROUND, DONT DROWN. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL COMMERCIAL MEDIA OUTLET FOR THE LATEST INFORMATION ON DEVELOPING WEATHER CONDITIONS. $$
3 follow-up statements
000 WGUS61 KPHI 121450 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1050 AM EDT WED JUL 12 2006 NJZ001-007-008-PAZ054-055-060>062-122300- /O.CON.KPHI.FF.A.0005.060712T1900Z-060713T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM... EASTON 1050 AM EDT WED JUL 12 2006 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN NEW JERSEY, EAST CENTRAL PENNSYLVANIA AND NORTHEAST PENNSYLVANIA, INCLUDING THE FOLLOWING AREAS, IN NORTHERN NEW JERSEY, MORRIS, SUSSEX AND WARREN, IN EAST CENTRAL PENNSYLVANIA, BERKS, LEHIGH AND NORTHAMPTON AND IN NORTHEAST PENNSYLVANIA, CARBON AND MONROE. * FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT. * LOW PRESSURE LOCATED IN THE EASTERN GREAT LAKES WILL MOVE NORTH OF OUR AREA THIS AFTERNOON AND INTO NEW ENGLAND TONIGHT, BRINGING A WEAK COLD FRONT THROUGH OUR AREA. THIS FRONT, COMBINED WITH THE EXTREMELY HUMID AND UNSTABLE AIRMASS IN PLACE, WILL LEAD TO THE DEVELOPMENT OF ADDITIONAL SHOWERS AND THUNDERSTORMS THIS AFTERNOON. SOME OF THE THUNDERSTORMS COULD PRODUCE 2 TO 4 INCHES OF RAIN IN A SHORT PERIOD OF TIME THIS AFTERNOON INTO TONIGHT. A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN ACROSS THE WATCH AREA, WHICH MAY LEAD TO FLOODING OF URBAN AREAS, ROADS AND HIGHWAYS, SMALL STREAMS AND CREEKS AS WELL AS OTHER DRAINAGE AREAS IN A SHORT TIME PERIOD. PEOPLE IN THE WATCH AREA SHOULD LOOK FOR HEAVY RAINFALL AND BE PREPARED TO TAKE IMMEDIATE ACTION IF FLOODING OCCURS OR A WARNING IS ISSUED. FLASH FLOODING IS A VERY DANGEROUS LIFE THREATENING SITUATION. IF YOU ARE IN THE WATCH AREA, CHECK YOUR PREPAREDNESS REQUIREMENTS. KEEP INFORMED AND BE READY FOR ACTION. IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED, MOVE TO HIGHER GROUND IMMEDIATELY. STAY AWAY FROM AREAS WHERE WATER IS FLOWING, AND NEVER DRIVE THROUGH WATER. TURN AROUND, DONT DROWN. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST INFORMATION ON DEVELOPING WEATHER CONDITIONS. $$ GORSE
000 WGUS61 KPHI 122117 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 517 PM EDT WED JUL 12 2006 NJZ001-007-008-PAZ054-055-060>062-130900- /O.CON.KPHI.FF.A.0005.000000T0000Z-060713T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM... EASTON 517 PM EDT WED JUL 12 2006 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN NEW JERSEY, EAST CENTRAL PENNSYLVANIA AND NORTHEAST PENNSYLVANIA, INCLUDING THE FOLLOWING AREAS, IN NORTHERN NEW JERSEY, MORRIS, SUSSEX AND WARREN, IN EAST CENTRAL PENNSYLVANIA, BERKS, LEHIGH AND NORTHAMPTON, AND IN NORTHEAST PENNSYLVANIA, CARBON AND MONROE. * THROUGH LATE TONIGHT * AN AREA OF LOW PRESSURE WILL MOVE NORTH OF OUR AREA TONIGHT. AS A RESULT, A WEAK COLD FRONT WILL MOVE THROUGH OUR AREA LATE TONIGHT INTO THURSDAY. THIS FRONT, COMBINED WITH THE HUMID AND UNSTABLE AIR MASS IN PLACE, WILL ALLOW FOR THE DEVELOPMENT OF ADDITIONAL SHOWERS AND THUNDERSTORMS. LOCALLY DRENCHING RAINFALL CAN OCCUR DUE TO THE ABUNDANCE OF MOISTURE IN THE ATMOSPHERE. SOME AREAS COULD PICK UP ABOUT 2 INCHES OF RAIN IN A SHORT PERIOD OF TIME TONIGHT, CAUSING QUICK RUNOFF. A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY RAIN ACROSS THE WATCH AREA, WHICH MAY LEAD TO FLOODING OF URBAN AREAS, ROADWAYS, SMALL STREAMS AND CREEKS AND POOR DRAINAGE AREAS. BE PREPARED TO TAKE IMMEDIATE ACTION IF FLOODING OCCURS OR A WARNING IS ISSUED. FLASH FLOODING IS A VERY DANGEROUS LIFE THREATENING SITUATION. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST INFORMATION. $$ GORSE
000 WGUS61 KPHI 130746 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 346 AM EDT THU JUL 13 2006 NJZ001-007-008-PAZ054-055-060>062-130900- /O.CAN.KPHI.FF.A.0005.000000T0000Z-060713T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM... EASTON 346 AM EDT THU JUL 13 2006 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA AND NORTHEAST PENNSYLVANIA HAS BEEN CANCELLED. ADDITIONAL SHOWERS AND SOME THUNDERSTORMS ARE LIKELY THIS MORNING, AND A CHANCE OF SHOWERS AND THUNDERSTORMS IS FORECAST FOR THIS AFTERNOON. THIS MAY LEAD TO LOCALIZED NUISANCE FLOODING AND RISES ON AREA CREEKS AND STREAMS. HOWEVER, THE FORECAST PRECIPITATION IS NOT EXPECTED TO CAUSE SIGNIFICANT FLASH FLOODING. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 12:53 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 52 min |
| Jul 12, 2:29 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 46 min |
| Jul 12, 6:06 PM EDT | Special Marine Warning | PHI | 39 min | |
| Jul 12, 6:57 PM EDT | Special Marine Warning | PHI | 33 min | |
| Jul 12, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 42 min |
| Jul 12, 7:33 PM EDT | Special Marine Warning | PHI | 40 min |
Nearby
Flash Flood Watches in Pennsylvania, 2006Flash Flood Watches in New Jersey, 2006Every flash flood watch in 2006
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.