Alert archive / Pennsylvania / Flash Flood Watches in 2009
Flash Flood Watch 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood watch at Jun 11, 2009, 3:15 PM EDT for Morris County, Sussex County, Warren County, New Jersey; 5 counties in Pennsylvania. It took effect at Jun 11, 2009, 8:00 PM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jun 11, 2009, 3:15 PM EDT (19:15 UTC)
- In effect from
- Jun 11, 2009, 8:00 PM EDT
- Expired
- Jun 12, 2009, 4:10 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, 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 19:19 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, 7.3 hours before the alert went out and 167 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
- 729 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS61 KPHI 111915 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 315 PM EDT THU JUN 11 2009 ...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... NJZ001-007-008-PAZ054-055-060>062-120900- /O.NEW.KPHI.FF.A.0002.090612T0000Z-090612T1300Z/ /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 315 PM EDT THU JUN 11 2009 ...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH FRIDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN NEW JERSEY...MORRIS...SUSSEX AND WARREN. IN PENNSYLVANIA...BERKS... CARBON...LEHIGH...MONROE AND NORTHAMPTON. * FROM 8 PM EDT THIS EVENING THROUGH FRIDAY MORNING * THE FIRST PART OF JUNE HAS BEEN VERY WET AND MORE RAIN IS ON THE WAY TONIGHT, AND SOME OF IT COULD BE HEAVY AT TIMES. IN ADDITION, A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR AREAS ACROSS THE SOUTHERN PENNSYLVANIA BORDER AND SOME OF THE THUNDERSTORMS COULD REACH INTO THE FLASH FLOOD WATCH AREA TONIGHT, ADDING TO THE POTENTIAL THREAT. * RAINFALL AMOUNTS WILL RANGE BETWEEN ONE AND TWO INCHES, WITH AS MUCH AS THREE INCHES FALLING IN SOME ISOLATED AREAS. THE HEAVIEST RAIN WILL BE AFTER MIDNIGHT UNTIL 6 AM BEFORE TAPERING OFF BY MID MORNING FRIDAY. 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. && $$ EBERWINE/MEOLA
2 follow-up statements
000 WGUS61 KPHI 120156 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 956 PM EDT THU JUN 11 2009 ...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING... NJZ001-007-008-PAZ054-055-060>062-121000- /O.CON.KPHI.FF.A.0002.000000T0000Z-090612T1300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX-WARREN-MORRIS-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN... JIM THORPE...STROUDSBURG...READING...ALLENTOWN...BETHLEHEM... EASTON 956 PM EDT THU JUN 11 2009 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 9 AM EDT FRIDAY... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA...INCLUDING THE FOLLOWING AREAS...IN NORTHERN NEW JERSEY...MORRIS...SUSSEX AND WARREN. IN PENNSYLVANIA...BERKS...CARBON...LEHIGH...MONROE AND NORTHAMPTON. * UNTIL 9 AM EDT FRIDAY * THE FIRST PART OF JUNE HAS BEEN VERY WET AND MORE RAIN IS ON THE WAY TONIGHT... AND SOME OF IT COULD BE HEAVY AT TIMES. SHOWERS AND THUNDERSTORMS WILL BE MOVING OVER THE WATCH AREA TONIGHT AND SOME OF THE RAIN WILL BE HEAVY AT TIMES. * RAINFALL AMOUNTS WILL RANGE BETWEEN ONE AND TWO INCHES... WITH AS MUCH AS THREE INCHES FALLING IN SOME ISOLATED AREAS. THE HEAVIEST RAIN WILL BE AFTER MIDNIGHT UNTIL 6 AM BEFORE TAPERING OFF BY MID MORNING FRIDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ EBERWINE/COLETTI
000 WGUS61 KPHI 120810 FFAPHI FLOOD WATCH NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 410 AM EDT FRI JUN 12 2009 NJZ001-007-008-PAZ054-055-060>062-120915- /O.CAN.KPHI.FF.A.0002.000000T0000Z-090612T1300Z/ /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 410 AM EDT FRI JUN 12 2009 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN NEW JERSEY AND PENNSYLVANIA HAS BEEN CANCELLED. THE THREAT FOR WIDESPREAD HEAVY RAIN HAS ENDED, THEREFORE THE FLASH FLOOD WATCH HAS BEEN CANCELLED. $$ GORSE
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 4:10 PM EDT | Coastal Flood Statement | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more | 12 hr |
Nearby
Flash Flood Watches in Pennsylvania, 2009Flash Flood Watches in New Jersey, 2009Every flash 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.