Freezing Fog Advisory Thursday, 10-Dec-2020

[Santa Claus]

roughly centered on Philadelphia, covers most of NJ except areas most north and northeast and most of E PA.  take care if you are traveling late tonight, freezing fog can create extremely dangerous conditions on roads and sidewalks.

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
353 PM EST Thu Dec 10 2020

DEZ001-NJZ007-009-010-012-013-015>022-027-PAZ060>062-070-071-
101>106-111000-
/O.NEW.KPHI.ZF.Y.0001.201211T0300Z-201211T1400Z/
New Castle-Warren-Hunterdon-Somerset-Middlesex-Western Monmouth-
Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-
Cumberland-Atlantic-Southeastern Burlington-Berks-Lehigh-
Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Wilmington, Washington, Flemington,
Somerville, New Brunswick, Freehold, Trenton, Pennsville,
Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson,
Millville, Hammonton, Wharton State Forest, Reading, Allentown,
Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford,
West Chester, Kennett Square, Collegeville, Pottstown,
Norristown, Lansdale, Chalfont, Perkasie, Morrisville,
and Doylestown
353 PM EST Thu Dec 10 2020

...FREEZING FOG ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
9 AM EST FRIDAY...

* WHAT...Visibility one quarter to one half mile in freezing fog
  and slippery roadways.

* WHERE...Portions of central, northern, northwest and southern
  New Jersey, east central and southeast Pennsylvania and
  northern Delaware.

* WHEN...From 10 PM this evening to 9 AM EST Friday.

* IMPACTS...Hazardous driving conditions due to low visibility and
  potential frost on bridges.