Alert archive / New Jersey / Areal Flood Advisories in 2018
Areal Flood Advisory 323, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Oct 11, 2018, 5:45 PM EDT for 6 counties in New Jersey. It was in force for 77 min.
The area
The counties it named.
The facts
- Issued
- Oct 11, 2018, 5:45 PM EDT (21:45 UTC)
- Expired
- Oct 11, 2018, 7:02 PM EDT
- In force
- 77 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 60 km from the middle of the area, began a volume at 21:47 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
Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.8 hours before the alert went out and 192 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
- 983 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.8
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 Oct 11, 3:36 PM EDT, 2 hours 9 minutes earlier.
Area forecast discussion, Oct 11, 3:36 PM EDT, 2 hours 9 minutes before
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</html>Hazardous weather outlook, Oct 11, 3:18 PM EDT, 2 hours 27 minutes before
Hazardous Weather Outlook National Weather Service Mount Holly NJ 318 PM EDT Thu Oct 11 2018 NJZ001-007-PAZ054-055-060>062-121930- Sussex-Warren-Carbon-Monroe-Berks-Lehigh-Northampton- 318 PM EDT Thu Oct 11 2018 This Hazardous Weather Outlook is for northern New Jersey, east central Pennsylvania and northeast Pennsylvania. .DAY ONE...This afternoon and tonight. Occasional moderate to heavy rain may lead to localized flooding. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. DEZ001-MDZ008-012-NJZ008>010-012>022-025>027-PAZ070-071-101>106- 121930- New Castle-Cecil-Kent MD-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Coastal Atlantic- Coastal Ocean-Southeastern Burlington-Delaware-Philadelphia- Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- 318 PM EDT Thu Oct 11 2018 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... This Hazardous Weather Outlook is for northern Delaware, northeast Maryland, central New Jersey, northern New Jersey, northwest New Jersey, southern New Jersey 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. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. NJZ023-024-121930- Cape May-Atlantic Coastal Cape May- 318 PM EDT Thu Oct 11 2018 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... ...WIND ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY... This Hazardous Weather Outlook is for southern New Jersey. .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. Flash Flood Watch. Wind Advisory. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Wind Advisory. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. DEZ002>004-MDZ019-020-121930- Kent-Inland Sussex-Delaware Beaches-Talbot-Caroline- 318 PM EDT Thu Oct 11 2018 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... ...WIND ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY... This Hazardous Weather Outlook is for central Delaware, southern Delaware and northeast Maryland. .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. Flash Flood Watch. Wind Advisory. There is a slight risk for severe thunderstorms through tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Wind Advisory. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. MDZ015-121930- Queen Annes- 318 PM EDT Thu Oct 11 2018 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... This Hazardous Weather Outlook is for northeast Maryland. .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. Flash Flood Watch. There is a slight risk for severe thunderstorms through tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. ANZ450>455-121930- 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- 318 PM EDT Thu Oct 11 2018 ...GALE WARNING IN EFFECT UNTIL 4 PM EDT FRIDAY... 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. Gale Warning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ430-431-121930- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- Delaware Bay waters south of East Point NJ to Slaughter Beach DE- 318 PM EDT Thu Oct 11 2018 ...GALE WARNING IN EFFECT UNTIL 2 PM EDT FRIDAY... This Hazardous Weather Outlook is for Delaware Bay 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. Gale Warning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Oct 11, 1:27 PM EDT, 4 hours 18 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
127 PM EDT THU OCT 11 2018
NJZ017>019-027-111800-
Northwestern Burlington-Camden-Southeastern Burlington-Gloucester-
127 PM EDT THU OCT 11 2018
...AN AREA OF SHOWERS AND THUNDERSTORMS WILL AFFECT
CAMDEN...GLOUCESTER AND WEST CENTRAL BURLINGTON COUNTIES...
At 125 PM EDT, a strong thunderstorm was located near Glassboro, or
13 miles south of Gloucester City, moving northeast at 35 mph. This
was part of a larger area of showers which will affect Burlington,
Gloucester and Camden counties through 215 PM.
Winds up to 40 mph are possible with these storms.
Locations impacted include...
Gloucester City, Cherry Hill, Evesham, Mount Laurel, Deptford,
Voorhees, West Deptford, Glassboro, Lindenwold, Bellmawr, Woodbury,
Pitman, Clayton, Berlin, Magnolia, Westville, Woodbury Heights,
Swedesboro, Brooklawn and Chesilhurst.
Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 3952 7499 3967 7520 3967 7521 3975 7534
3999 7493 3976 7473
TIME...MOT...LOC 1725Z 241DEG 28KT 3970 7518
POSpecial weather statement, Oct 11, 4:39 PM EDT, 1 hour 6 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
439 PM EDT THU OCT 11 2018
DEZ002-003-NJZ021>023-027-112115-
Inland Sussex-Kent-Cumberland-Atlantic-Cape May-Southeastern
Burlington-
439 PM EDT THU OCT 11 2018
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTH CENTRAL SUSSEX...
SOUTHEASTERN KENT...SOUTHWESTERN ATLANTIC...SOUTHEASTERN
CUMBERLAND...NORTHWESTERN CAPE MAY AND SOUTHEASTERN BURLINGTON
COUNTIES...
At 439 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Corbin City to near Milford.
Movement was north at 20 mph.
Winds up to 40 mph are possible with these storms.
Locations impacted include...
Vineland, Millville, Cumberland, Milford, Egg Harbor City, Laurel
Lake, Woodbine, Estell Manor, Corbin City, Ellendale, Bowers,
Leesburg, Dorothy, Bricksboro, Eldora, Mauricetown, Belleplain
Forest, Mays Landing, English Creek and Port Norris.
LAT...LON 3878 7544 3908 7541 3907 7541 3906 7540
3903 7535 3918 7515 3924 7517 3971 7450
3930 7468 3916 7489 3919 7497 3919 7503
3922 7503 3921 7511 3900 7532 3893 7532
3889 7528
TIME...MOT...LOC 2039Z 192DEG 19KT 3933 7473 3890 7536
SFJLocal storm report, Oct 11, 5:36 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
536 PM EDT THU OCT 11 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0515 PM HEAVY RAIN NORTH CATASAUQUA 40.66N 75.48W
10/11/2018 M1.65 INCH NORTHAMPTON PA SOCIAL MEDIA
FLOODING ALONG CEDAR CREEK CAUSING TRAFFIC PROBLEMS
NEAR CEDAR CREST BLVD, HAMILTON AND PARKWAY BLVD AREAS.
&&
EVENT NUMBER PHI1801648
SFJLocal storm report, Oct 11, 5:40 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
540 PM EDT THU OCT 11 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0141 PM HEAVY RAIN 4 SW WANTAGE 41.20N 74.60W
10/11/2018 M1.63 INCH SUSSEX NJ METEOROLOGIST
0215 PM HEAVY RAIN BLAIRSTOWN 40.98N 74.98W
10/11/2018 M1.45 INCH WARREN NJ TRAINED SPOTTER
24-HOUR RAINFALL. SOME THUNDER TODAY TOO.
0351 PM FLOOD HACKETTSTOWN 40.85N 74.83W
10/11/2018 WARREN NJ TRAINED SPOTTER
MINOR FLOODING NO MORE THAN A FEW INCHES ON ROADWAYS IN
LOW-LYING AREAS AND UNDERPASSES.
0515 PM HEAVY RAIN NORTH CATASAUQUA 40.66N 75.48W
10/11/2018 M1.65 INCH NORTHAMPTON PA SOCIAL MEDIA
FLOODING ALONG CEDAR CREEK CAUSING TRAFFIC PROBLEMS
NEAR CEDAR CREST BLVD, HAMILTON AND PARKWAY BLVD AREAS.
&&
EVENT NUMBER PHI1801651 PHI1801650 PHI1801649 PHI1801648
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 3:24 AM EDT | Gale Warning | PHI | 33 hr | |
| Oct 11, 3:24 AM EDT | Wind Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more | 31 hr |
| Oct 11, 1:27 PM EDT | Special Weather Statement | PHI | Camden, Gloucester | 33 min |
| Oct 11, 1:43 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 7 hr |
| Oct 11, 2:39 PM EDT | Areal Flood Advisory | PHI | Warren | 4 hr |
| Oct 11, 3:58 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 4 hr |
| Oct 11, 4:39 PM EDT | Special Weather Statement | PHI | Atlantic | 36 min |
| Oct 11, 4:41 PM EDT | Special Marine Warning | PHI | 34 min | |
| Oct 11, 7:15 PM EDT | Areal Flood Warning | PHI | Hunterdon, Somerset | 4 hr |
| Oct 11, 11:19 AM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 3 hr |
| Oct 11, 7:50 PM EDT | Special Weather Statement | PHI | Kent | 25 min |
Nearby
Areal Flood Advisories in New Jersey, 2018Every areal flood advisory in 2018
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.