Alert archive / Pennsylvania / Areal Flood Advisories in 2015
Areal Flood Advisory 128, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 14, 2015, 4:31 PM EDT for Bucks County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 14, 2015, 4:31 PM EDT (20:31 UTC)
- Expired
- Jul 14, 2015, 7:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Bucks County, PA
The radar
The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 20:34 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, 8.5 hours before the alert went out and 128 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
- 844 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.8
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, 4:11 PM EDT, 20 minutes earlier.
Area forecast discussion, Jul 14, 4:11 PM EDT, 20 minutes before
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</html>Hazardous weather outlook, Jul 14, 3:55 AM EDT, 12 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 355 AM EDT TUE JUL 14 2015 NJZ001-007>010-012>015-017>020-022-025>027-PAZ054-055-060>062-070- 071-101>106-150800- SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH- EASTERN MONMOUTH-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-ATLANTIC-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER- WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS- 355 AM EDT TUE JUL 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT COULD PRODUCE HEAVY RAIN LEADING TO LOCALIZED FLASH FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THE THREAT FOR HEAVY RAIN LEADING TO LOCALIZED FLASH FLOODING MAY CONTINUE INTO WEDNESDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. DEZ001>004-MDZ008-012-015-019-020-NJZ016-021-023-024-150800- NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-SALEM-CUMBERLAND-CAPE MAY- ATLANTIC COASTAL CAPE MAY- 355 AM EDT TUE JUL 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND AND SOUTHERN NEW JERSEY. .DAY ONE...TODAY AND TONIGHT. SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT COULD PRODUCE HEAVY RAIN LEADING TO LOCALIZED FLASH FLOODING. IN ADDITION...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT. THE PRIMARY HAZARD WILL BE STRONG WINDS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THE THREAT FOR HEAVY RAIN LEADING TO LOCALIZED FLASH FLOODING MAY CONTINUE INTO WEDNESDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. ANZ430-431-450>455-150800- 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- 355 AM EDT TUE JUL 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND DELAWARE BAY WATERS. .DAY ONE...TODAY AND TONIGHT. SOME STRONG THUNDERSTORMS WITH WIND GUSTS NEAR OR ABOVE 35KT ARE POSSIBLE TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THUNDERSTORMS WITH GUSTY WINDS WILL BE POSSIBLE AGAIN ON WEDNESDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED.
In the hours before
Local storm report, Jul 14, 11:32 AM EDT, 4 hours 59 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1132 AM EDT TUE JUL 14 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0605 AM FLASH FLOOD UPPER DEERFIELD TWP 39.48N 75.21W
07/14/2015 CUMBERLAND NJ 911 CALL CENTER
ROUTE 77 FLOODED AND CLOSED.
0700 AM HEAVY RAIN UPPER DEERFIELD TWP 39.48N 75.21W
07/14/2015 M3.34 INCH CUMBERLAND NJ COCORAHS
BACKYARD POND OVERFLOWING
0800 AM HEAVY RAIN SEABROOK FARMS 39.50N 75.22W
07/14/2015 M3.41 INCH CUMBERLAND NJ CO-OP OBSERVER
1113 AM FLOOD HAMMONTON 39.65N 74.77W
07/14/2015 ATLANTIC NJ TRAINED SPOTTER
ROUTE 73 AT THE ATLANTIC CITY EXPRESSWAY FLOODED. WATER
AT LEAST 1 FOOT DEEP.
&&
EVENT NUMBER PHI1500578 PHI1500577 PHI1500576 PHI1500579
FRANCKSpecial weather statement, Jul 14, 11:37 AM EDT, 4 hours 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1137 AM EDT TUE JUL 14 2015 NJZ016-017-021-022-141600- ATLANTIC-GLOUCESTER-CUMBERLAND-SALEM- 1137 AM EDT TUE JUL 14 2015 ...AN AREA OF HEAVY SHOWERS AND STRONG THUNDERSTORMS WILL AFFECT WEST CENTRAL ATLANTIC...EAST CENTRAL SALEM...SOUTHEASTERN GLOUCESTER AND NORTHEASTERN CUMBERLAND COUNTIES... AT 1136 AM EDT...THE AREA OF HEAVY SHOWERS AND STRONG THUNDERSTORMS WAS NEAR OLIVET...OR 8 MILES NORTHWEST OF VINELAND...MOVING EAST AT 20 MPH. ISOLATED WIND GUSTS UP TO 40 MPH ARE POSSIBLE WITH THIS STORM. THIS GROUP OF STORMS WILL BE NEAR... VINELAND AND MALAGA AROUND 1145 AM EDT. NEWFIELD AROUND 1150 AM EDT. VICTORY LAKES AROUND 1155 AM EDT. BUENA AROUND 1200 PM EDT. OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE CENTERTON. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. LAT...LON 3952 7518 3957 7518 3965 7497 3948 7487 TIME...MOT...LOC 1536Z 266DEG 19KT 3955 7511 DRAG
Special weather statement, Jul 14, 11:59 AM EDT, 4 hours 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1159 AM EDT TUE JUL 14 2015 NJZ016-017-021-022-141630- ATLANTIC-GLOUCESTER-CUMBERLAND-SALEM- 1159 AM EDT TUE JUL 14 2015 ...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WEST CENTRAL ATLANTIC...EASTERN SALEM...SOUTHEASTERN GLOUCESTER AND NORTHEASTERN CUMBERLAND COUNTIES... AT 1158 AM EDT...A GROUP OF STRONG THUNDERSTORMS WAS ALONG A LINE EXTENDING FROM MALAGA TO NEAR NEWFIELD. THE STORMS WERE NEARLY STATIONARY OR DRIFTING EAST. WIND GUSTS UP TO 30 MPH ARE POSSIBLE WITH THESE STORMS. THESE STORMS WILL BE NEAR... VINELAND AROUND 1205 PM EDT. NEWFIELD AROUND 1220 PM EDT. BUENA AROUND 1230 PM EDT. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND WILL CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. LAT...LON 3958 7493 3947 7494 3950 7507 3956 7510 TIME...MOT...LOC 1558Z 315DEG 4KT 3955 7508 3952 7507 DRAG
Local storm report, Jul 14, 12:04 PM EDT, 4 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1204 PM EDT TUE JUL 14 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0605 AM FLASH FLOOD UPPER DEERFIELD TWP 39.48N 75.21W
07/14/2015 CUMBERLAND NJ 911 CALL CENTER
ROUTE 77 FLOODED AND CLOSED.
0800 AM HEAVY RAIN SEABROOK FARMS 39.50N 75.22W
07/14/2015 M3.41 INCH CUMBERLAND NJ CO-OP OBSERVER
0938 AM HEAVY RAIN UPPER DEERFIELD TWP 39.48N 75.21W
07/14/2015 M3.92 INCH CUMBERLAND NJ COCORAHS
1048 AM FLOOD UPPER PITTSGROVE TWP 39.62N 75.21W
07/14/2015 SALEM NJ 911 CALL CENTER
NEWKIRK STATION ROAD AT DARETOWN ROAD FLOODED.
1100 AM HEAVY RAIN FRANKLIN TWP 39.60N 75.03W
07/14/2015 M2.94 INCH GLOUCESTER NJ COCORAHS
1111 AM FLASH FLOOD ELMER 39.59N 75.17W
07/14/2015 SALEM NJ 911 CALL CENTER
ROUTE 40 FLOODED
1113 AM FLOOD HAMMONTON 39.65N 74.77W
07/14/2015 ATLANTIC NJ TRAINED SPOTTER
ROUTE 73 AT THE ATLANTIC CITY EXPRESSWAY FLOODED. WATER
AT LEAST 1 FOOT DEEP.
&&
EVENT NUMBER PHI1500578 PHI1500576 PHI1500580 PHI1500583 PHI1500581
PHI1500582 PHI1500579
FRANCKSpecial weather statement, Jul 14, 1:16 PM EDT, 3 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
116 PM EDT TUE JUL 14 2015
NJZ020-026-027-141800-
SOUTHEASTERN BURLINGTON-COASTAL OCEAN-OCEAN-
116 PM EDT TUE JUL 14 2015
...A SMALL LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL OCEAN
AND SOUTHEASTERN BURLINGTON COUNTIES...
AT 115 PM EDT...A SMALL LINE OF STRONG THUNDERSTORMS EXTENDED FROM
NEAR BAMBER LAKE TO NEAR WARREN GROVE TO NEW GRETNA...AND MOVING
NORTHEAST AT 25 MPH.
WIND GUSTS UP TO 40 MPH ARE POSSIBLE WITH THESE STORMS.
THESE STORMS WILL BE NEAR...
BROOKVILLE AROUND 125 PM EDT.
BEACHWOOD AND HOLIDAY CITY SOUTH AROUND 135 PM EDT.
TOMS RIVER...SEASIDE HEIGHTS...DOVER BEACHES SOUTH AND BEACH HAVEN
WEST AROUND 145 PM EDT.
SURF CITY AND DOVER BEACHES NORTH AROUND 150 PM EDT.
BARNEGAT AROUND 155 PM EDT.
MANTOLOKING AROUND 200 PM EDT.
OTHER LOCATIONS IMPACTED BY THESE STORMS INCLUDE MANAHAWKIN...ISLAND
HEIGHTS...OCEAN ACRES...WARETOWN...SOUTH TOMS RIVER...MYSTIC ISLAND
AND HOLIDAY HEIGHTS.
CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS LINE OF STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
LAT...LON 3980 7409 3999 7408 3999 7411 3994 7415
3993 7412 3981 7417 3977 7410 3975 7420
3974 7419 3976 7410 3975 7410 3959 7423
3961 7420 3958 7422 3956 7449 3956 7450
3988 7433 4005 7405
TIME...MOT...LOC 1715Z 227DEG 23KT 3985 7430 3970 7435 3958 7447
GORSESpecial weather statement, Jul 14, 1:52 PM EDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
152 PM EDT TUE JUL 14 2015
NJZ020-026-141815-
COASTAL OCEAN-OCEAN-
152 PM EDT TUE JUL 14 2015
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN OCEAN COUNTY...
AT 150 PM EDT...A STRONG THUNDERSTORM WAS OVER SURF CITY...OR 19
MILES SOUTH OF TOMS RIVER...MOVING EAST AT 25 MPH. THIS STORM WILL
AFFECT THE BEACHES WITH SOME LIGHTNING OCCURRING.
CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING
CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. MOVE OFF THE BEACHES
AND SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.
WIND GUSTS UP TO 30 MPH ARE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
BARNEGAT...TUCKERTON...SURF CITY...BEACH HAVEN WEST...MANAHAWKIN AND
OCEAN ACRES.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
LAT...LON 3972 7412 3972 7418 3970 7416 3971 7413
3970 7413 3969 7419 3966 7418 3969 7414
3964 7418 3966 7422 3961 7420 3963 7421
3965 7423 3960 7427 3959 7434 3972 7433
3981 7409
TIME...MOT...LOC 1750Z 252DEG 26KT 3967 7419
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 4:11 AM EDT | Special Weather Statement | PHI | Salem | 34 min |
| Jul 14, 4:49 AM EDT | Special Weather Statement | PHI | Salem | 41 min |
| Jul 14, 5:21 AM EDT | Areal Flood Advisory | PHI | Cumberland, Salem | 4 hr |
| Jul 14, 5:55 AM EDT | Flash Flood Warning | PHI | Cumberland, Salem | 4 hr |
| Jul 14, 9:40 AM EDT | Areal Flood Advisory | PHI | Salem | 4 hr |
| Jul 14, 10:07 AM EDT | Flash Flood Warning | PHI | Cumberland, Salem | 4 hr |
| Jul 14, 10:23 AM EDT | Areal Flood Advisory | PHI | Gloucester | 4 hr |
| Jul 14, 10:48 AM EDT | Areal Flood Advisory | PHI | Atlantic, Camden | 4 hr |
| Jul 14, 10:48 AM EDT | Special Weather Statement | PHI | Camden | 27 min |
| Jul 14, 10:54 AM EDT | Special Weather Statement | PHI | Salem | 36 min |
| Jul 14, 11:17 AM EDT | Special Weather Statement | PHI | Atlantic | 28 min |
| Jul 14, 11:37 AM EDT | Special Weather Statement | PHI | Gloucester | 23 min |
| Jul 14, 11:39 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cumberland | 4 hr |
| Jul 14, 11:52 AM EDT | Areal Flood Advisory | PHI | Mercer | 4 hr |
| Jul 14, 11:59 AM EDT | Special Weather Statement | PHI | Cumberland | 31 min |
| Jul 14, 1:14 PM EDT | Areal Flood Advisory | PHI | Ocean | 4 hr |
| Jul 14, 1:16 PM EDT | Special Weather Statement | PHI | Ocean | 44 min |
| Jul 14, 1:22 PM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth | 4 hr |
| Jul 14, 1:52 PM EDT | Special Weather Statement | PHI | Ocean | 23 min |
| Jul 14, 3:32 PM EDT | Small Craft Advisory | PHI | 56 hr | |
| Jul 14, 5:47 PM EDT | Special Weather Statement | PHI | Mercer | 43 min |
| Jul 14, 6:20 PM EDT | Special Weather Statement | PHI | Burlington | 40 min |
| Jul 14, 7:12 AM EDT | Areal Flood Advisory | PHI | Berks | 2 hr |
| Jul 14, 8:30 AM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 4 hr |
| Jul 14, 4:15 AM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Jul 14, 4:24 AM EDT | Special Weather Statement | PHI | Cecil | 36 min |
Nearby
Areal Flood Advisories in Pennsylvania, 2015Every areal flood advisory in 2015
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.