Alert archive / Pennsylvania / Areal Flood Advisories in 2020

Areal Flood Advisory 143, NWS Philadelphia/Mount Holly

August 13, 2020Bucks County, Montgomery County, Pennsylvania

NWS Philadelphia/Mount Holly issued this areal flood advisory at Aug 13, 2020, 7:25 AM EDT for Bucks County, Montgomery County, Pennsylvania. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 13, 2020, 7:25 AM EDT (11:25 UTC)
Expired
Aug 13, 2020, 9:30 AM EDT
In force
2 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Bucks County, PA, Montgomery County, PA

The radar

The Philadelphia radar (KDIX), 79 km from the middle of the area, began a volume at 11:25 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 13, 6:14 AM EDT, 1 hour 11 minutes earlier.

Area forecast discussion, Aug 13, 6:14 AM EDT, 1 hour 11 minutes before
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Hazardous weather outlook, Aug 13, 4:58 AM EDT, 2 hours 27 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
458 AM EDT Thu Aug 13 2020

NJZ001-007>010-015-PAZ054-055-060>062-103-105-140900-
Sussex-Warren-Morris-Hunterdon-Somerset-Mercer-Carbon-Monroe-Berks-
Lehigh-Northampton-Western Montgomery-Upper Bucks-
458 AM EDT Thu Aug 13 2020

This Hazardous Weather Outlook is for central New Jersey, northern
New Jersey, northwest New Jersey, east central Pennsylvania,
northeast Pennsylvania and southeast Pennsylvania.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

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.

MDZ008-012-015-019-020-PAZ101-102-104-140900-
Cecil-Kent MD-Queen Annes-Talbot-Caroline-Western Chester-
Eastern Chester-Eastern Montgomery-
458 AM EDT Thu Aug 13 2020

...FLASH FLOOD WATCH IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS EVENING...

This Hazardous Weather Outlook is for northeast Maryland and
southeast Pennsylvania.

.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.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

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.

DEZ001>003-NJZ016>023-027-PAZ070-071-106-140900-
New Castle-Kent-Inland Sussex-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-
Southeastern Burlington-Delaware-Philadelphia-Lower Bucks-
458 AM EDT Thu Aug 13 2020

...FLASH FLOOD WATCH IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS EVENING...

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

.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.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

While spotty minor coastal flooding is possible with the afternoon
and evening high tide on Saturday, minor coastal flooding is more
likely with the Sunday afternoon and evening high tide.

.SPOTTER INFORMATION STATEMENT...

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

NJZ012-013-140900-
Middlesex-Western Monmouth-
458 AM EDT Thu Aug 13 2020

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

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Minor coastal flooding is possible with the Sunday afternoon and
evening high tide.

.SPOTTER INFORMATION STATEMENT...

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

NJZ014-140900-
Eastern Monmouth-
458 AM EDT Thu Aug 13 2020

This Hazardous Weather Outlook is for central New Jersey.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Minor coastal flooding is possible with the Sunday afternoon and
evening high tide.

.SPOTTER INFORMATION STATEMENT...

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

DEZ004-NJZ024>026-140900-
Delaware Beaches-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-
458 AM EDT Thu Aug 13 2020

...FLASH FLOOD WATCH IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS EVENING...

This Hazardous Weather Outlook is for southern Delaware 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.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

While spotty minor coastal flooding is possible with the afternoon
and evening high tide on Saturday, minor coastal flooding is more
likely with the Sunday afternoon and evening high tide.

.SPOTTER INFORMATION STATEMENT...

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

ANZ430-431-450>455-140900-
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-
458 AM EDT Thu Aug 13 2020

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

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

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.

In the hours before

Local storm report, Aug 13, 7:23 AM EDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 3:02 AM EDTFlash Flood WatchPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more17 hr
Aug 13, 7:47 AM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Somerset118 min
Aug 13, 8:37 AM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Somerset3 hr
Aug 13, 9:36 AM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset114 min
Aug 13, 10:01 AM EDTFlash Flood WarningPHIMiddlesex, Morris, Somerset3 hr
Aug 13, 1:06 PM EDTSpecial Weather StatementPHIOcean39 min
Aug 13, 1:30 PM EDTSpecial Weather StatementPHICumberland45 min
Aug 13, 1:56 PM EDTAreal Flood AdvisoryPHIAtlantic, Cape May, Cumberland2 hr
Aug 13, 1:58 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Ocean2 hr
Aug 13, 2:44 PM EDTAreal Flood AdvisoryPHIAtlantic2 hr
Aug 13, 3:54 PM EDTSpecial Weather StatementPHICape May36 min
Aug 13, 4:01 PM EDTAreal Flood AdvisoryPHICape May2 hr
Aug 13, 4:52 PM EDTFlash Flood WarningPHICape May113 min
Aug 13, 9:07 AM EDTFlash Flood WarningPHIBucks, Montgomery3 hr
Aug 13, 3:30 PM EDTAreal Flood AdvisoryPHIPhiladelphia3 hr
Aug 13, 3:56 PM EDTAreal Flood AdvisoryPHIDelaware2 hr
Aug 13, 4:45 PM EDTAreal Flood AdvisoryPHIChester, Montgomery84 min
Aug 13, 11:46 AM EDTAreal Flood AdvisoryPHINew Castle3 hr
Aug 13, 11:56 AM EDTAreal Flood AdvisoryPHIKent, Sussex3 hr
Aug 13, 12:22 PM EDTSpecial Weather StatementPHISussex38 min

Nearby

Areal Flood Advisories in Pennsylvania, 2020Every areal flood advisory in 2020

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.