Alert archive / New Jersey / Dense Fog Advisories in 2019

Dense Fog Advisory 10, NWS Philadelphia/Mount Holly

December 17, 20194 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this dense fog advisory at Dec 17, 2019, 12:04 PM EST for 4 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Dec 17, 2019, 12:04 PM EST (17:04 UTC)
Expired: Dec 17, 2019, 5:59 PM EST
In force: 6 hr
Issued by: NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 52 km from the middle of the area, began a volume at 17:07 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 dense fog 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 dense fog advisory went out at Dec 17, 11:24 AM EST, 40 minutes earlier.

Area forecast discussion, Dec 17, 11:24 AM EST, 40 minutes before

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Hazardous weather outlook, Dec 17, 9:39 AM EST, 2 hours 25 minutes before

Hazardous Weather Outlook
National Weather Service Mount Holly NJ
939 AM EST Tue Dec 17 2019

NJZ001-007-PAZ054-055-181445-
Sussex-Warren-Carbon-Monroe-
939 AM EST Tue Dec 17 2019

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...

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

   Winter Storm Warning.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

There is a chance for dangerous snow squalls to develop and move
across the area, especially along and north of the I-80 corridor,
Wednesday afternoon into Wednesday evening. Gusty winds of 35 to 45
mph could also occur Wednesday afternoon and Wednesday night.

.SPOTTER INFORMATION STATEMENT...

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

NJZ008-PAZ062-181445-
Morris-Northampton-
939 AM EST Tue Dec 17 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

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

   Winter Weather Advisory.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

There is a chance for dangerous snow squalls to develop and move
across the area, especially along and north of the I-80 corridor,
Wednesday afternoon into Wednesday evening. Gusty winds of 35 to 45
mph could also occur Wednesday afternoon and Wednesday night.

.SPOTTER INFORMATION STATEMENT...

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

PAZ061-181445-
Lehigh-
939 AM EST Tue Dec 17 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

This Hazardous Weather Outlook is for east central 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.

   Winter Weather Advisory.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

There is a chance for dangerous snow squalls to develop and move
across the area, especially along and north of the I-80 corridor,
Wednesday afternoon into Wednesday evening. Gusty winds of 35 to 45
mph could also occur Wednesday afternoon and Wednesday night.

.SPOTTER INFORMATION STATEMENT...

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

NJZ009-010-PAZ060-101-103-105-181445-
Hunterdon-Somerset-Berks-Western Chester-Western Montgomery-
Upper Bucks-
939 AM EST Tue Dec 17 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

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

   Winter Weather Advisory.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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>004-MDZ008-012-015-019-020-NJZ012>027-PAZ070-071-102-104-106-
181445-
New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD-
Queen Annes-Talbot-Caroline-Middlesex-Western Monmouth-
Eastern Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-
Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-
Southeastern Burlington-Delaware-Philadelphia-Eastern Chester-
Eastern Montgomery-Lower Bucks-
939 AM EST Tue Dec 17 2019

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

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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.

ANZ430-431-450>455-181445-
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-
939 AM EST Tue Dec 17 2019

...GALE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

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...Wednesday through Monday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Watch.

There is a chance for freezing spray Wednesday night into Thursday,
primarily near shore and in the Delaware Bay.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Dec 17, 11:22 AM EST, 42 minutes before

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Local storm report, Dec 17, 11:26 AM EST, 38 minutes before

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Special weather statement, Dec 17, 11:33 AM EST, 31 minutes before

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Local storm report, Dec 17, 11:42 AM EST, 22 minutes before

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Local storm report, Dec 17, 11:59 AM EST, 5 minutes before

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Local storm report, Dec 17, 12:01 PM EST, 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 17, 12:51 AM EST	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer, Salem	6 hr
Dec 17, 2:35 AM EST	Gale Watch	PHI		13 hr
Dec 17, 4:44 AM EST	Areal Flood Advisory	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	2 hr
Dec 17, 9:52 AM EST	Small Craft Advisory	PHI		29 hr
Dec 17, 12:07 PM EST	Marine Dense Fog Advisory	PHI		6 hr
Dec 17, 3:17 PM EST	Gale Warning	PHI		42 hr

Nearby

Dense Fog Advisories in New Jersey, 2019 Dense Fog Advisories in Delaware, 2019 Every dense fog 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.