Alert archive / New Jersey / Areal Flood Advisories in 2011
Areal Flood Advisory 164, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Sep 5, 2011, 11:04 PM EDT for Hunterdon County, Warren County, New Jersey; Bucks County, Pennsylvania. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 5, 2011, 11:04 PM EDT (03:04 UTC)
- Expired
- Sep 6, 2011, 5:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Warren County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 87 km from the middle of the area, began a volume at 03:05 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, 3.1 hours before the alert went out and 183 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
- 1126 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this areal flood advisory went out at Sep 5, 10:55 PM EDT, 9 minutes earlier.
Area forecast discussion, Sep 5, 10:55 PM EDT, 9 minutes before
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</html>Hazardous weather outlook, Sep 5, 3:42 PM EDT, 7 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 342 PM EDT MON SEP 5 2011 DEZ001-MDZ008-NJZ001-007>010-012-013-015>019-PAZ054-055-060>062- 067>071-062100- NEW CASTLE-CECIL-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN- NORTHWESTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 342 PM EDT MON SEP 5 2011 ...FLOOD WATCH IN EFFECT THROUGH WEDNESDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DEZ002-003-MDZ012-015-019-020-NJZ020>023-027-062100- KENT-INLAND SUSSEX-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-OCEAN- CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON- 342 PM EDT MON SEP 5 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND AND SOUTHERN NEW JERSEY. .DAY ONE...THIS AFTERNOON AND TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DEZ004-NJZ014-024>026-062100- DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN- 342 PM EDT MON SEP 5 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN DELAWARE...CENTRAL NEW JERSEY AND SOUTHERN NEW JERSEY. .DAY ONE...THIS AFTERNOON AND TONIGHT. THERE IS A MODERATE RISK OF RIP CURRENTS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THERE IS A MODERATE RISK OF RIP CURRENTS FOR TUESDAY. LONG PERIOD SWELLS FROM TROPICAL SYSTEM KATIA WILL LIKELY CAUSE DANGEROUS RIP CURRENT CONDITIONS ALONG THE COASTS OF DELAWARE AND NEW JERSEY FROM WEDNESDAY THROUGH AT LEAST FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ450>455-062100- COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM- COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM- COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM- COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM- 342 PM EDT MON SEP 5 2011 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SMALL CRAFT ADVISORY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SMALL CRAFT ADVISORY. A SMALL CRAFT ADVISORY FOR SEAS WILL LIKELY BE NEEDED FROM WEDNESDAY THROUGH AT LEAST FRIDAY DUE TO THE SWELLS FROM TROPICAL SYSTEM KATIA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ430-431-062100- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- 342 PM EDT MON SEP 5 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DELAWARE BAY WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Sep 5, 6:03 PM EDT, 5 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
603 PM EDT MON SEP 5 2011
DEZ001-002-MDZ008-012-015-020-NJZ001-007>010-012-015>019-021-
PAZ060>062-067>071-060000-
BERKS PA-BUCKS PA-CAMDEN NJ-CAROLINE MD-CECIL MD-CHESTER PA-
CUMBERLAND NJ-DELAWARE PA-GLOUCESTER NJ-HUNTERDON NJ-KENT MD-KENT DE-
LEHIGH PA-MERCER NJ-MIDDLESEX NJ-MONTGOMERY PA-MORRIS NJ-
NEW CASTLE DE-NORTHAMPTON PA-NORTHWESTERN BURLINGTON NJ-
PHILADELPHIA PA-QUEEN ANNE'S MD-SALEM NJ-SOMERSET NJ-SUSSEX NJ-
WARREN NJ-
603 PM EDT MON SEP 5 2011
...SHOWERS WITH HEAVY RAINFALL WILL AFFECT KENT...CAROLINE...
CECIL...SUSSEX...WARREN...MORRIS...HUNTERDON...SOMERSET...
SALEM...CUMBERLAND...CAMDEN...GLOUCESTER...MERCER...MIDDLESEX...
DELAWARE...PHILADELPHIA...CHESTER...MONTGOMERY...BERKS...LEHIGH...
NORTHAMPTON...BUCKS...QUEEN ANNE'S...NEW CASTLE AND BURLINGTON
COUNTIES...
AT 600 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS ASSOCIATED WITH A SLOW MOVING COLD FRONT OVER NORTHERN NEW
JERSEY, EASTERN PENNSYLVANIA, NORTHERN DELAWARE, AND NORTHEAST
MARYLAND. THE SHOWERS AND POSSIBLY AN ISOLATED THUNDERSTORM OR TWO
WILL MOVE NORTHEAST AT 25 TO 30 MPH THIS EVENING.
VERY HEAVY RAIN WILL FALL FROM SOME OF THESE SHOWERS...AND WILL
CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND
SMALL STREAMS.
MOTORISTS SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS
AND GIVE THEMSELVES EXTRA TRAVEL TIME.
LAT...LON 4120 7437 4104 7449 4097 7427 4059 7444
4058 7422 3933 7537 3946 7555 3958 7556
3946 7558 3924 7539 3882 7578 3916 7628
3951 7599 3972 7624 3978 7607 4014 7590
4049 7642 4086 7531 4135 7468
RPWLocal storm report, Sep 5, 10:19 PM EDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1019 PM EDT MON SEP 05 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0920 PM FLOOD EAST GREENVILLE 40.41N 75.51W
09/05/2011 MONTGOMERY PA MESONET
AT 946 PM WAS .5 FT ABOVE FS AND STILL RISING RAPIDLY
&&
EVENT NUMBER PHI1100717
WDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 9:43 PM EDT | Flash Flood Warning | PHI | Morris, Sussex, Warren | 4 hr |
| Sep 6, 12:22 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Salem | 3 hr |
| Sep 6, 1:32 AM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 5 hr |
| Sep 6, 6:57 AM EDT | Areal Flood Warning | PHI | Morris | 22 hr |
| Sep 6, 4:35 PM EDT | River Flood Warning | PHI | Essex, Passaic | 7 days |
| Sep 6, 4:35 PM EDT | River Flood Warning | PHI | Morris, Passaic | 4 days |
| Sep 6, 4:35 PM EDT | River Flood Warning | PHI | Morris | 5 days |
| Sep 6, 4:35 PM EDT | River Flood Warning | PHI | Passaic | 4 days |
| Sep 6, 5:43 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Salem | 3 hr |
| Sep 6, 5:45 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset | 3 hr |
| Sep 6, 6:10 PM EDT | Areal Flood Warning | PHI | Sussex, Warren | 71 hr |
| Sep 6, 6:48 PM EDT | Areal Flood Warning | PHI | Hunterdon, Mercer, Morris, Somerset | 31 hr |
| Sep 5, 8:19 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 116 min |
| Sep 5, 9:32 PM EDT | Areal Flood Warning | PHI | Montgomery | 9 hr |
| Sep 5, 10:18 PM EDT | Flash Flood Warning | PHI | Lehigh, Northampton | 4 hr |
| Sep 5, 10:53 PM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 3 hr |
| Sep 5, 11:25 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Sep 6, 1:42 AM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 3 hr |
| Sep 6, 2:09 AM EDT | Areal Flood Advisory | PHI | Lehigh, Northampton | 3 hr |
| Sep 6, 3:40 AM EDT | Areal Flood Warning | PHI | Berks | 3 hr |
| Sep 6, 5:49 PM EDT | Areal Flood Warning | PHI | Philadelphia | 20 hr |
| Sep 6, 6:32 PM EDT | Areal Flood Warning | PHI | Montgomery | 26 hr |
| Sep 6, 6:38 PM EDT | Areal Flood Warning | PHI | Montgomery, Philadelphia | 23 hr |
| Sep 6, 6:44 PM EDT | Areal Flood Warning | PHI | Chester, Delaware | 15 hr |
| Sep 6, 7:03 PM EDT | River Flood Warning | PHI | Chester | 16 hr |
| Sep 6, 7:41 PM EDT | River Flood Warning | PHI | Delaware | 5 hr |
| Sep 6, 7:52 PM EDT | River Flood Warning | PHI | Bucks | 52 hr |
| Sep 6, 1:19 AM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 56 min |
| Sep 6, 5:26 PM EDT | Areal Flood Advisory | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 3 hr |
| Sep 6, 5:44 PM EDT | Special Weather Statement | PHI | Caroline | 2 hr |
Nearby
Areal Flood Advisories in New Jersey, 2011Areal Flood Advisories in Pennsylvania, 2011Every areal flood advisory 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.