Alert archive / New Jersey / Areal Flood Advisories in 2010

Areal Flood Advisory 52, NWS Philadelphia/Mount Holly

July 14, 2010Morris County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 14, 2010, 10:26 AM EDT for Morris County, Somerset County, New Jersey. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 14, 2010, 10:26 AM EDT (14:26 UTC)
Expired
Jul 14, 2010, 1:30 PM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Morris County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 86 km from the middle of the area, began a volume at 14:28 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, 2.4 hours before the alert went out and 145 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2010-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1134 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2010-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1134 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

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 Jul 14, 5:00 AM EDT, 5 hours 26 minutes earlier.

Area forecast discussion, Jul 14, 5:00 AM EDT, 5 hours 26 minutes before
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Hazardous weather outlook, Jul 14, 10:26 AM EDT, 0 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1026 AM EDT WED JUL 14 2010

MDZ008-NJZ007>010-012-016-PAZ060>062-151430-
CECIL-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-SALEM-BERKS-LEHIGH-
NORTHAMPTON-
1026 AM EDT WED JUL 14 2010

...FLASH FLOOD WATCH IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MARYLAND...NORTHERN
NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW JERSEY AND EAST
CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

SHOWERS AND SOME THUNDERSTORMS THIS AFTERNOON MAY YIELD HEAVY
RAIN...AND COMBINED WITH THE PREVIOUS HEAVY RAIN THIS COULD
RESULT IN FLOODING ESPECIALLY IN AREAS OF POOR DRAINAGE.

.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.

DEZ001-NJZ015-017>019-PAZ067>071-151430-
NEW CASTLE-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-CHESTER-
MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA-
1026 AM EDT WED JUL 14 2010

...FLASH FLOOD WATCH IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...
...EXCESSIVE HEAT WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...CENTRAL
NEW JERSEY...SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

SHOWERS AND SOME THUNDERSTORMS THIS AFTERNOON MAY YIELD HEAVY
RAIN...AND COMBINED WITH THE PREVIOUS HEAVY RAIN THIS COULD
RESULT IN FLOODING ESPECIALLY IN AREAS OF POOR DRAINAGE.

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

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   EXCESSIVE HEAT WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

DEZ002>004-MDZ012-015-019-020-NJZ001-013-014-020>027-PAZ054-055-
151430-
KENT-INLAND SUSSEX-DELAWARE BEACHES-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-SUSSEX-WESTERN MONMOUTH-EASTERN MONMOUTH-OCEAN-CUMBERLAND-
ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-
1026 AM EDT WED JUL 14 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN
DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW
JERSEY...SOUTHERN NEW JERSEY AND NORTHEAST PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

SHOWERS AND SOME THUNDERSTORMS THIS AFTERNOON MAY BE ACCOMPANIED
BY HEAVY RAIN, RESULTING IN LOCALIZED FLOODING ESPECIALLY IN AREAS
OF POOR DRAINAGE.

.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.

ANZ450>455-151430-
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-
1026 AM EDT WED JUL 14 2010

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT UNTIL 8 PM EDT
THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY 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 FOR HAZARDOUS SEAS.

GUSTY SOUTHWEST WINDS TO 35 KNOTS POSSIBLE IN ONE OR 2 STRONG
THUNDERSTORMS OVERNIGHT.

.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.

ANZ430-431-151430-
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
1026 AM EDT WED JUL 14 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DELAWARE BAY WATERS.

.DAY ONE...TODAY AND TONIGHT.

GUSTY SOUTHWEST WINDS TO 35 KNOTS POSSIBLE IN ONE OR 2 STRONG
THUNDERSTORMS OVERNIGHT.

.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, Jul 14, 4:51 AM EDT, 5 hours 35 minutes before
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Special weather statement, Jul 14, 5:26 AM EDT, 5 hours before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 8:19 PM EDTSpecial Weather StatementPHIMercer71 min
Jul 13, 11:08 PM EDTSpecial Weather StatementPHICumberland, Salem62 min
Jul 13, 11:37 PM EDTSpecial Weather StatementPHICape May53 min
Jul 13, 11:43 PM EDTSpecial Weather StatementPHICamden62 min
Jul 14, 12:08 AM EDTSpecial Weather StatementPHIAtlantic, Cape May67 min
Jul 14, 2:40 AM EDTAreal Flood AdvisoryPHICumberland, Gloucester, Salem3 hr
Jul 14, 3:21 AM EDTSpecial Marine WarningPHI39 min
Jul 14, 3:27 AM EDTAreal Flood AdvisoryPHIWarren3 hr
Jul 14, 3:37 AM EDTSmall Craft Advisory for Hazardous SeasPHI16 hr
Jul 14, 3:46 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester3 hr
Jul 14, 3:49 AM EDTSpecial Weather StatementPHIMorris56 min
Jul 14, 3:59 AM EDTAreal Flood AdvisoryPHIMercer3 hr
Jul 14, 4:08 AM EDTSpecial Marine WarningPHI67 min
Jul 14, 4:10 AM EDTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem65 min
Jul 14, 4:51 AM EDTSpecial Weather StatementPHIOcean54 min
Jul 14, 5:26 AM EDTSpecial Weather StatementPHIOcean64 min
Jul 14, 6:06 AM EDTAreal Flood AdvisoryPHISussex, Warren4 hr
Jul 14, 10:15 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more9 hr
Jul 14, 10:56 AM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Somerset, Sussex, Warren4 hr
Jul 14, 12:47 PM EDTAreal Flood AdvisoryPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem3 hr
Jul 14, 1:35 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester115 min
Jul 14, 2:11 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Salem109 min
Jul 14, 2:36 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Mercer, Middlesex, Monmouth and 2 more3 hr
Jul 14, 3:12 PM EDTFlash Flood WarningPHIBurlington, Mercer, Monmouth, Ocean63 min
Jul 14, 4:03 PM EDTAreal Flood WarningPHIBurlington, Camden, Gloucester, Salem79 min
Jul 14, 7:58 PM EDTSpecial Weather StatementPHIMercer62 min
Jul 14, 1:29 AM EDTAreal Flood AdvisoryPHIBerks3 hr
Jul 14, 1:44 AM EDTSpecial Weather StatementPHIChester61 min
Jul 14, 2:32 AM EDTFlash Flood WarningPHIChester3 hr
Jul 14, 2:52 AM EDTFlash Flood WarningPHIDelaware3 hr
Jul 14, 3:52 AM EDTSpecial Weather StatementPHICarbon53 min
Jul 14, 3:58 AM EDTAreal Flood AdvisoryPHIBucks, Montgomery3 hr
Jul 14, 10:04 AM EDTAreal Flood AdvisoryPHIBerks3 hr
Jul 14, 11:11 AM EDTFlash Flood WarningPHIBerks3 hr
Jul 14, 12:52 PM EDTAreal Flood AdvisoryPHIChester, Delaware3 hr
Jul 13, 9:21 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot64 min
Jul 13, 9:41 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot64 min
Jul 13, 9:52 PM EDTSpecial Weather StatementPHICecil68 min
Jul 14, 1:07 AM EDTSpecial Weather StatementPHITalbot83 min
Jul 14, 2:58 AM EDTSpecial Weather StatementPHICaroline, Kent, Queen Anne's62 min

Nearby

Areal Flood Advisories in New Jersey, 2010Every areal flood advisory in 2010

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.