Alert archive / New Jersey / Special Marine Warnings in 2019

Special Marine Warning 176, NWS Philadelphia/Mount Holly

September 2, 2019

NWS Philadelphia/Mount Holly issued this special marine warning at Sep 2, 2019, 12:05 PM EDT. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 2, 2019, 12:05 PM EDT (16:05 UTC)
Expired
Sep 2, 2019, 12:45 PM EDT
In force
40 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.0 in
Wind
34.0 mph

What forecasters said that day

The local office's own words before this special marine warning 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 special marine warning went out at Sep 2, 10:06 AM EDT, 1 hour 59 minutes earlier.

Area forecast discussion, Sep 2, 10:06 AM EDT, 1 hour 59 minutes before
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Hazardous weather outlook, Sep 2, 3:57 AM EDT, 8 hours 8 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
357 AM EDT Mon Sep 2 2019

DEZ001>003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-015>023-027-
PAZ054-055-060>062-070-071-101>106-030800-
New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-
Caroline-Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-
Western Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-
Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
357 AM EDT Mon Sep 2 2019

This Hazardous Weather Outlook is for central Delaware, northern
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...Today and tonight.

Showers and thunderstorms are possible this afternoon and evening. A
few storms may be strong to severe with a primary threat of strong
winds.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

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.

DEZ004-NJZ014-024>026-030800-
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
357 AM EDT Mon Sep 2 2019

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

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

.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.

   High Rip Current Risk.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Hurricane Dorian should pass to the south and east later this week.
However, it may impact coastal areas with rough surf, dangerous rip
currents, and strong winds late this week. Please monitor forecasts
for the latest information on Dorian.

.SPOTTER INFORMATION STATEMENT...

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

ANZ430-431-450>455-030800-
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-
357 AM EDT Mon Sep 2 2019

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

.DAY ONE...Today and tonight.

There is a low probability for widespread hazardous weather.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Hurricane Dorian should track south and east of the coastal waters
late this week. However, it may impact the coastal waters with
increased swells, high waves, and strong winds late Thursday through
Friday. Please monitor forecasts for the latest information on
Dorian.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Sep 2, 8:07 AM EDT, 3 hours 58 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
807 AM EDT Mon Sep 2 2019

PAZ060-101>103-021245-
Western Montgomery-Western Chester-Eastern Chester-Berks-
807 AM EDT Mon Sep 2 2019

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN BERKS...
WEST CENTRAL MONTGOMERY AND NORTHERN CHESTER COUNTIES...

At 802 AM EDT, radar indicated strong thunderstorms were located
along a line extending from Adamstown to near Terre Hill to near
Bareville. Movement was east at 25 mph.

Wind gusts up to 40 mph are possible with these storms.

Locations impacted include...
Pottstown, Phoenixville, Coatesville, Downingtown, Birdsboro,
Royersford, Parkesburg, Honey Brook, Elverson, New Morgan, Pughtown,
Marshallton, Lionville-Marchwood, Glenmoore, Chester Springs,
Lionville, Cedarville, Stowe, Shillington and Spring City.

LAT...LON 4031 7561 4012 7548 3989 7571 3997 7598
      4004 7593 4011 7594 4014 7588 4029 7611
TIME...MOT...LOC 1202Z 279DEG 21KT 4025 7605 4019 7600 4007 7612

Staarmann
Special weather statement, Sep 2, 8:45 AM EDT, 3 hours 20 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
845 AM EDT Mon Sep 2 2019

PAZ060-070-101>104-021330-
Eastern Montgomery-Western Montgomery-Delaware-Western
Chester-Eastern Chester-Berks-
845 AM EDT Mon Sep 2 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN BERKS...CENTRAL
MONTGOMERY...NORTHEASTERN CHESTER AND NORTHEASTERN DELAWARE
COUNTIES...

At 845 AM EDT, a strong thunderstorm was located over Glenmoore, or
15 miles northwest of West Chester, moving east at 25 mph.

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

Locations impacted include...
Norristown, Pottstown, Phoenixville, West Norriton, East Norriton,
Downingtown, Conshohocken, Collegeville, Royersford, Trappe, Honey
Brook, Schwenksville, Elverson, New Morgan, Pughtown, Bryn Mawr,
Trout Lake, Radnor Township, Lionville-Marchwood and Valley Forge.

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 4014 7588 4017 7593 4019 7592 4030 7533
      3998 7530 4003 7588 4004 7593 4008 7593
      4011 7594
TIME...MOT...LOC 1245Z 264DEG 21KT 4013 7579

Staarmann
Special weather statement, Sep 2, 9:26 AM EDT, 2 hours 39 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
926 AM EDT Mon Sep 2 2019

PAZ070-071-101>104-106-021415-
Lower Bucks-Eastern Montgomery-Western Montgomery-Delaware-Western
Chester-Eastern Chester-Philadelphia-
926 AM EDT Mon Sep 2 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN MONTGOMERY...SOUTH
CENTRAL BUCKS...NORTHEASTERN CHESTER...CENTRAL PHILADELPHIA AND
NORTHEASTERN DELAWARE COUNTIES...

At 925 AM EDT, a strong thunderstorm was located over Phoenixville,
or 12 miles northeast of West Chester, moving east at 30 mph.

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

Locations impacted include...
Philadelphia, Norristown, Phoenixville, West Norriton, East Norriton,
Conshohocken, Hatboro, Ambler, Collegeville, Royersford, Jenkintown,
Narberth, Trappe, Rockledge, Abington, Bryn Athyn, Ivyland,
Wissinoming, Bryn Mawr and Trout Lake.

This includes Interstate 95 in Pennsylvania between mile markers 23
and 28.

If outdoors, consider seeking shelter inside a building.

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

LAT...LON 4018 7562 4026 7502 3999 7506 3996 7513
      4005 7564
TIME...MOT...LOC 1325Z 267DEG 24KT 4012 7551

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 8:32 PM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean24 hr
Sep 2, 12:14 PM EDTSpecial Weather StatementPHIMonmouth16 min
Sep 2, 12:35 PM EDTSpecial Weather StatementPHISomerset40 min
Sep 2, 1:15 PM EDTSpecial Weather StatementPHIMorris45 min
Sep 2, 1:31 PM EDTSpecial Weather StatementPHIMercer29 min
Sep 2, 1:56 PM EDTSpecial Weather StatementPHIUnion19 min
Sep 2, 2:01 PM EDTSpecial Weather StatementPHIMonmouth44 min
Sep 2, 4:28 PM EDTSpecial Weather StatementPHIMonmouth17 min
Sep 2, 4:56 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth78 min
Sep 2, 5:01 PM EDTSpecial Weather StatementPHIOcean44 min
Sep 2, 5:29 PM EDTAreal Flood AdvisoryPHIBurlington, Ocean3 hr
Sep 2, 5:42 PM EDTSpecial Weather StatementPHIOcean48 min
Sep 2, 6:01 PM EDTSpecial Weather StatementPHIBurlington44 min
Sep 2, 6:06 PM EDTFlash Flood WarningPHIOcean2 hr
Sep 2, 6:49 PM EDTSpecial Weather StatementPHIOcean41 min
Sep 2, 6:52 PM EDTSpecial Marine WarningPHI113 min
Sep 2, 8:07 AM EDTSpecial Weather StatementPHIChester38 min
Sep 2, 8:45 AM EDTSpecial Weather StatementPHIMontgomery45 min
Sep 2, 9:26 AM EDTSpecial Weather StatementPHIMontgomery, Philadelphia49 min
Sep 2, 1:07 PM EDTSpecial Weather StatementPHIBucks38 min
Sep 2, 2:54 PM EDTSpecial Weather StatementPHIChester51 min
Sep 2, 4:33 PM EDTSpecial Weather StatementPHIPhiladelphia27 min
Sep 2, 6:31 PM EDTSpecial Weather StatementPHILehigh44 min
Sep 2, 7:10 PM EDTSpecial Weather StatementPHIBerks35 min
Sep 2, 7:28 PM EDTSpecial Weather StatementPHIBerks47 min

Nearby

Special Marine Warnings in New Jersey, 2019Every special marine warning 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.