Rainfall totals of 3 to 5 inches fell in parts of northeastern Maryland, Delaware, and southern and central New Jersey on the night of October 11. There were a few reports of rainfall amounts in excess of 5 inches.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PHI wrote it up.
Rainfall totals of 3 to 5 inches fell in parts of northeastern Maryland, Delaware, and southern and central New Jersey on the night of October 11. There were a few reports of rainfall amounts in excess of 5 inches.
The local office's own words before the first event, 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 the first event at Oct 11, 8:34 PM EST, 3 hours 6 minutes earlier.
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</html>PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
722 PM EDT THU OCT 11 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
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.
0428 PM HEAVY RAIN 4 SW WANTAGE 41.20N 74.60W
10/11/2018 M2.04 INCH SUSSEX NJ MESONET
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.
0519 PM HEAVY RAIN 1 SSW LOWER MOUNT BETHE 40.78N 75.18W
10/11/2018 M2.41 INCH NORTHAMPTON PA TRAINED SPOTTER
0616 PM HEAVY RAIN READINGTON TWP 40.57N 74.80W
10/11/2018 M2.18 INCH HUNTERDON NJ TRAINED SPOTTER
0719 PM FLOOD EASTON 38.77N 76.07W
10/11/2018 TALBOT MD EMERGENCY MNGR
STANDING WATER REPORTED ON COMMERCE DR, WEST ST., BAY
ST., AND OCEAN GATEWAY IN THE AREA OF SKIPTON CREEK.
&&
EVENT NUMBER PHI1801650 PHI1801649 PHI1801652 PHI1801648 PHI1801654
PHI1801653 PHI1801655
SFJSpecial Weather Statement
National Weather Service Mount Holly NJ
750 PM EDT THU OCT 11 2018
DEZ001-002-MDZ008-012-015-020-NJZ016-120015-
Kent-New Castle-Queen Anne's-Cecil-Kent-Caroline-Salem-
750 PM EDT THU OCT 11 2018
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN NEW CASTLE...
NORTHWESTERN KENT...NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN
CAROLINE...NORTHEASTERN KENT...SOUTHEASTERN CECIL AND SOUTHWESTERN
SALEM COUNTIES...
At 749 PM EDT, a strong thunderstorm was located over Cheswold, or
near Dover, moving north at 30 mph.
Winds up to 40 mph are possible with this storm.
Locations impacted include...
Dover, Middletown, Smyrna, Camden, Clayton, Cheswold, Cecilton,
Millington, Hartly, Warwick, Woodland Beach, Bohemias Mills, Hancocks
Bridge, Hazlettville, Port Penn, Delaney Corner, Dover Base Housing,
Dover Speedway, Sassafras and Mount Pleasant.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 3953 7557 3951 7555 3952 7553 3952 7544
3942 7545 3946 7551 3946 7554 3943 7555
3935 7549 3933 7550 3934 7549 3933 7546
3911 7548 3906 7581 3954 7591
TIME...MOT...LOC 2349Z 179DEG 27KT 3920 7561
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</html>The Philadelphia radar (KDIX), 65 km away, was scanning. The volume nearest the first event began at 04:38 UTC.
3 flash flood. Local standard time, as filed.
Minor flooding occurred along the Mantua Creek at Pitman.
Minor flooding occurred along the Salem River at Woodstown.
NJ Route 34 was closed in Wall Township to the north of Belmar Boulevard due to flooding.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New Jersey in 2018Every state in 2018This day in weather historyWarnings in New Jersey, October 2018
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 780303, 780302, 780301.