Alert archive / New Jersey / Areal Flood Advisories in 2019

Areal Flood Advisory 210, NWS Philadelphia/Mount Holly

August 16, 2019Sussex County, Warren County, New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this areal flood advisory at Aug 16, 2019, 11:32 PM EDT for Sussex County, Warren County, New Jersey; Northampton County, Pennsylvania. It was in force for 118 min.

The area

The counties it named.

The facts

Issued
Aug 16, 2019, 11:32 PM EDT (03:32 UTC)
Expired
Aug 17, 2019, 1:30 AM EDT
In force
118 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Sussex County, NJ, Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 119 km from the middle of the area, began a volume at 03:31 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.

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 16, 9:04 PM EDT, 2 hours 28 minutes earlier.

Area forecast discussion, Aug 16, 9:04 PM EDT, 2 hours 28 minutes before
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Hazardous weather outlook, Aug 16, 2:46 PM EDT, 8 hours 46 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
246 PM EDT Fri Aug 16 2019

DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-171900-
New Castle-Mercer-Gloucester-Camden-Northwestern Burlington-Delaware-
Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks-
246 PM EDT Fri Aug 16 2019

This Hazardous Weather Outlook is for northern Delaware, central
New Jersey, southern New Jersey and southeast Pennsylvania.

.DAY ONE...This afternoon and tonight.

There is a low probability for widespread hazardous weather.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Heat indices during during the afternoon on Sunday through Tuesday,
and possibly into Wednesday, will be around 100 degrees.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

DEZ002-003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-016-020>023-
027-PAZ054-055-060>062-101-103-105-171900-
Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Sussex-
Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth-Salem-
Ocean-Cumberland-Atlantic-Cape May-Southeastern Burlington-Carbon-
Monroe-Berks-Lehigh-Northampton-Western Chester-Western Montgomery-
Upper Bucks-
246 PM EDT Fri Aug 16 2019

This Hazardous Weather Outlook is for central 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.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

NJZ014-024>026-171900-
Eastern Monmouth-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-
246 PM EDT Fri Aug 16 2019

This Hazardous Weather Outlook is for central New Jersey and
southern New Jersey.

.DAY ONE...This afternoon and tonight.

There is a moderate risk for the development of dangerous rip
currents at New Jersey beaches this afternoon.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

ANZ430-431-450>455-171900-
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-
246 PM EDT Fri Aug 16 2019

This Hazardous Weather Outlook is for Atlantic coastal waters and
Delaware Bay Waters.

.DAY ONE...This afternoon and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

DEZ004-171900-
Delaware Beaches-
246 PM EDT Fri Aug 16 2019

This Hazardous Weather Outlook is for southern Delaware.

.DAY ONE...This afternoon and tonight.

There is a low probability for widespread hazardous weather.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

MPS

In the hours before

Special weather statement, Aug 16, 5:34 PM EDT, 5 hours 58 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
534 PM EDT Fri Aug 16 2019

DEZ003-162215-
Inland Sussex-
534 PM EDT Fri Aug 16 2019

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL SUSSEX COUNTY...

At 534 PM EDT, a strong thunderstorm was located near Bridgeville, or
7 miles west of Georgetown. The storm is nearly stationary.

Wind gusts up to 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Georgetown, Seaford, Bridgeville and Ellendale.

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3865 7566 3880 7559 3881 7535 3865 7542
TIME...MOT...LOC 2134Z 283DEG 3KT 3871 7552

Staarmann
Special weather statement, Aug 16, 6:29 PM EDT, 5 hours 3 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
629 PM EDT Fri Aug 16 2019

PAZ060-103-162315-
Western Montgomery-Berks-
629 PM EDT Fri Aug 16 2019

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL BERKS AND WEST
CENTRAL MONTGOMERY COUNTIES...

At 629 PM EDT, a strong thunderstorm was located over Laureldale, or
over Reading, moving east at 15 mph.

Wind gusts up to 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Reading, Pottstown, Wyomissing, Fleetwood, Laureldale, Topton,
Bechtelsville, Lyons, Spring Ridge, Gilbertsville, Stowe,
Shillington, West Reading, Boyertown, Mount Penn, Mohnton, Kenhorst,
St. Lawrence, West Lawn and Pottsgrove.

LAT...LON 4052 7565 4050 7562 4024 7558 4030 7600
      4041 7602
TIME...MOT...LOC 2229Z 259DEG 12KT 4037 7591

Staarmann
Special weather statement, Aug 16, 7:28 PM EDT, 4 hours 4 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
728 PM EDT Fri Aug 16 2019

PAZ060>062-103-105-170015-
Upper Bucks-Lehigh-Western Montgomery-Northampton-Berks-
728 PM EDT Fri Aug 16 2019

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL BERKS...
NORTHWESTERN MONTGOMERY...SOUTHEASTERN LEHIGH...NORTHWESTERN BUCKS
AND SOUTHERN NORTHAMPTON COUNTIES...

At 727 PM EDT, a strong thunderstorm was located near Bally, or 14
miles southwest of Allentown, moving east at 15 mph.

Wind gusts up to 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Allentown, Bethlehem, Emmaus, Quakertown, Perkasie, Hellertown, East
Greenville, Bally, Bechtelsville, Zionsville, Geryville, Ancient
Oaks, Lehigh University, Fountain Hill, Sellersville, Pennsburg,
Macungie, Freemansburg, Coopersburg and Red Hill.

This includes Interstate 78 in Pennsylvania between mile markers 58
and 67.

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4036 7570 4047 7574 4063 7535 4037 7525
TIME...MOT...LOC 2327Z 253DEG 14KT 4043 7564

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 3:31 PM EDTExcessive Heat WatchPHIBurlington, Camden, Gloucester, Mercer12 hr
Aug 17, 1:08 PM EDTSpecial Weather StatementPHILebanon37 min
Aug 17, 1:33 PM EDTSpecial Weather StatementPHIBerks42 min

Nearby

Areal Flood Advisories in New Jersey, 2019Areal Flood Advisories in Pennsylvania, 2019Every areal flood advisory in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.