Alert archive / New Jersey / Areal Flood Advisories in 2009

Areal Flood Advisory 61, NWS Philadelphia/Mount Holly

August 12, 2009Sussex County, New Jersey; Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this areal flood advisory at Aug 12, 2009, 6:03 PM EDT for Sussex County, New Jersey; Monroe County, Pennsylvania. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Aug 12, 2009, 6:03 PM EDT (22:03 UTC)
Expired: Aug 12, 2009, 10:00 PM EDT
In force: 4 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Sussex County, NJ, Monroe County, PA

The radar

The Philadelphia radar (KDIX), 138 km from the middle of the area, began a volume at 22:05 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 12:00Z, 10.1 hours before the alert went out and 182 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 286 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 974 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.8

Open this sounding in Storm Lab

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 Aug 12, 2:58 PM EDT, 3 hours 5 minutes earlier.

Area forecast discussion, Aug 12, 2:58 PM EDT, 3 hours 5 minutes before

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Hazardous weather outlook, Aug 12, 3:03 PM EDT, 3 hours before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
303 PM EDT WED AUG 12 2009

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-067>071-131915-
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-
MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-
CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
303 PM EDT WED AUG 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN
DELAWARE...SOUTHERN 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.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ430-431-450>455-131915-
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
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-
303 PM EDT WED AUG 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND
DELAWARE BAY WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Aug 12, 2:35 PM EDT, 3 hours 28 minutes before

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Local storm report, Aug 12, 3:28 PM EDT, 2 hours 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
328 PM EDT WED AUG 12 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0210 PM     FLASH FLOOD      SOUTH BELMAR            40.17N 74.03W
08/12/2009                   MONMOUTH           NJ   CO-OP OBSERVER

            1.28 INCHES RAIN FROM STORM, WITH 1.07 INCHES IN 17
            MINUTES. MINOR FLOODING REPORTED.

0201 PM     LIGHTNING        2 NE CASSVILLE          40.12N 74.36W
08/12/2009                   OCEAN              NJ   TRAINED SPOTTER

            PERSON POSSIBLY STRUCK BY LIGHTNING ALONG BRIDGEWATER
            COURT IN JACKSON TWP.

0201 PM     LIGHTNING        2 NE CASSVILLE          40.12N 74.36W
08/12/2009                   OCEAN              NJ   TRAINED SPOTTER

            3 HOMES AFFECTED BY LIGHTNING STRIKES ALONG BRIDGEWATER
            COURT IN JACKSON TWP. ONE HOME HAS MAJOR DAMAGE.

0145 PM     FLASH FLOOD      2 ESE HAMILTON SQUARE   40.22N 74.64W
08/12/2009                   MERCER             NJ   COUNTY OFFICIAL

            TWO FEET OF WATER AGAINST 8 TO 10 HOUSES ALONG CHARLENE
            COURT IN ROBBINSVILLE TWP.

0125 PM     FLASH FLOOD      2 ESE HAMILTON SQUARE   40.22N 74.64W
08/12/2009                   MERCER             NJ   LAW ENFORCEMENT

            6 INCHES OF FLOWING WATER AT INTERSECTION OF ROUTE 130
            AND MEADOWBROOK ROAD IN ROBBINSVILLE TWP.

1257 PM     FLASH FLOOD      2 ESE HAMILTON SQUARE   40.22N 74.64W
08/12/2009                   MERCER             NJ   TRAINED SPOTTER

            MAJOR FLOODING IN ROBBINSVILLE TWP ALONG ROUTE 130. ALSO
            REPORTS OF SMALL HAIL.

1150 AM     FLASH FLOOD      HAMILTON SQUARE         40.23N 74.68W
08/12/2009                   MERCER             NJ   CO-OP OBSERVER

            0.58 INCHES OF RAIN IN 20 MINUTES. LOTS OF LIGHTNING.

&&

KEK

Local storm report, Aug 12, 5:45 PM EDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
545 PM EDT WED AUG 12 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 PM     FLASH FLOOD      EGG HARBOR CITY         39.56N 74.60W
08/12/2009                   ATLANTIC           NJ   COUNTY OFFICIAL

            MULTIPLE ROADS FLOODED.

0445 PM     FLASH FLOOD      BRIDGETON               39.43N 75.23W
08/12/2009                   CUMBERLAND         NJ   TRAINED SPOTTER

            FIRE DEPT PUMPING OUT COURT BUILDING ON 54 W. BOARD
            STREET.

0428 PM     FLASH FLOOD      MILLVILLE               39.39N 75.05W
08/12/2009                   CUMBERLAND         NJ   TRAINED SPOTTER

            WATER RESCUE AT MILL VILLAGE APARTMENT COMPLEX. COMPLEX
            WAS SURROUNDED BY FLOOD WATERS.

0405 PM     FLASH FLOOD      MILLVILLE               39.39N 75.05W
08/12/2009                   CUMBERLAND         NJ   COUNTY OFFICIAL

            FLOODING ALONG ROUTE 55 - MILEMARKER 27. ALSO FLOODING
            ALONG NORTHWAY BLVD.

0356 PM     FLASH FLOOD      MAYS LANDING            39.45N 74.72W
08/12/2009                   ATLANTIC           NJ   TRAINED SPOTTER

            STREET FLOODING AT INTERSECTION OF 322 AND PAMONA ROAD.
            ALSO STREET FLOODING AT SOMMERS POINT - MAYS LANDING ROAD
            HEADING INTO EGG HARBOR TWP.

0355 PM     FLASH FLOOD      4 NNW MAYS LANDING      39.51N 74.75W
08/12/2009                   ATLANTIC           NJ   COUNTY OFFICIAL

            FLOODING REPORTED AT INTERSECTION OF ROUTE 50 AND MAIN
            STREET IN HAMILTON TWP.

0210 PM     HEAVY RAIN       SOUTH BELMAR            40.17N 74.03W
08/12/2009  M1.28 INCH       MONMOUTH           NJ   CO-OP OBSERVER

            1.28 INCHES RAIN FROM STORM, WITH 1.07 INCHES IN 17
            MINUTES. MINOR FLOODING REPORTED.

0201 PM     LIGHTNING        2 NE CASSVILLE          40.12N 74.36W
08/12/2009                   OCEAN              NJ   TRAINED SPOTTER

            3 HOMES AFFECTED BY LIGHTNING STRIKES ALONG BRIDGEWATER
            COURT IN JACKSON TWP. ONE HOME HAS MAJOR DAMAGE.

0201 PM     LIGHTNING        2 NE CASSVILLE          40.12N 74.36W
08/12/2009                   OCEAN              NJ   TRAINED SPOTTER

            PERSON POSSIBLY STRUCK BY LIGHTNING ALONG BRIDGEWATER
            COURT IN JACKSON TWP.

0145 PM     FLASH FLOOD      2 ESE HAMILTON SQUARE   40.22N 74.64W
08/12/2009                   MERCER             NJ   COUNTY OFFICIAL

            TWO FEET OF WATER AGAINST 8 TO 10 HOUSES ALONG CHARLENE
            COURT IN ROBBINSVILLE TWP.

0125 PM     FLASH FLOOD      2 ESE HAMILTON SQUARE   40.22N 74.64W
08/12/2009                   MERCER             NJ   LAW ENFORCEMENT

            6 INCHES OF FLOWING WATER AT INTERSECTION OF ROUTE 130
            AND MEADOWBROOK ROAD IN ROBBINSVILLE TWP.

1257 PM     FLASH FLOOD      2 ESE HAMILTON SQUARE   40.22N 74.64W
08/12/2009                   MERCER             NJ   TRAINED SPOTTER

            MAJOR FLOODING IN ROBBINSVILLE TWP ALONG ROUTE 130. ALSO
            REPORTS OF SMALL HAIL.

1150 AM     FLASH FLOOD      HAMILTON SQUARE         40.23N 74.68W
08/12/2009                   MERCER             NJ   CO-OP OBSERVER

            0.58 INCHES OF RAIN IN 20 MINUTES. LOTS OF LIGHTNING.

&&

KEK

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 12, 12:04 PM EDT	Areal Flood Advisory	PHI	Mercer	60 min
Aug 12, 12:47 PM EDT	Flash Flood Warning	PHI	Mercer	3 hr
Aug 12, 1:26 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	22 min
Aug 12, 2:55 PM EDT	Areal Flood Advisory	PHI	Monmouth, Ocean	50 min
Aug 12, 3:01 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cumberland	59 min
Aug 12, 3:17 PM EDT	Flash Flood Warning	PHI	Atlantic, Cumberland	4 hr
Aug 12, 3:29 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	60 min
Aug 12, 3:32 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Ocean	118 min
Aug 12, 4:01 PM EDT	Flash Flood Warning	PHI	Atlantic, Cape May	3 hr
Aug 12, 4:16 PM EDT	Flash Flood Warning	PHI	Cumberland, Salem	6 hr
Aug 12, 4:55 PM EDT	Flash Flood Warning	PHI	Salem	3 hr
Aug 12, 5:13 PM EDT	Areal Flood Advisory	PHI	Cape May, Cumberland	2 hr
Aug 12, 5:18 PM EDT	Flash Flood Warning	PHI	Bucks, Chester, Montgomery	2 hr
Aug 12, 6:52 PM EDT	Areal Flood Advisory	PHI	Carbon, Monroe	3 hr
Aug 12, 4:16 PM EDT	Areal Flood Advisory	PHI	Kent	3 hr
Aug 12, 4:39 PM EDT	Flash Flood Warning	PHI	Kent, New Castle	3 hr
Aug 12, 5:55 PM EDT	Flash Flood Warning	PHI	New Castle	100 min

Nearby

Areal Flood Advisories in New Jersey, 2009 Areal Flood Advisories in Pennsylvania, 2009 Every areal flood advisory 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.