Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service State College PA
451 AM EST Thu Nov 20 2025
PAZ010>012-017>019-024>028-033>035-041-045-046-049>052-056-201400-
/O.CON.KCTP.FG.Y.0019.000000T0000Z-251120T1400Z/
Elk-Cameron-Northern Clinton-Clearfield-Northern Centre-Southern
Centre-Cambria-Blair-Huntingdon-Mifflin-Juniata-Somerset-Bedford-
Fulton-Northern Lycoming-Southern Clinton-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Perry-
Including the cities of DuBois, McConnellsburg, Sunbury,
Somerset, Bedford, Mount Union, Mifflintown, Altoona, Lock Haven,
Williamsport, Trout Run, State College, Ridgway, Philipsburg,
Huntingdon, St. Marys, Clearfield, Shamokin, Newport, Lewisburg,
Emporium, Selinsgrove, Johnstown, Danville, Renovo, and Lewistown
451 AM EST Thu Nov 20 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...A portion of central Pennsylvania.
* WHEN...Until 9 AM EST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...A light glaze of ice from freezing fog could
also result in hazardous driving conditions through the morning
commute especially on bridges and overpasses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your low-beam headlights, and leave
plenty of distance ahead of you.
&&
$$
For more information from the National Weather Service visit
weather.gov/StateCollege
MS/BL
URGENT - WEATHER MESSAGE
National Weather Service Pittsburgh PA
1155 PM EST Wed Nov 19 2025
OHZ049-050-057>059-068-069-PAZ020-021-029-031-075-076-WVZ001>004-012-
021-509>514-201400-
/O.NEW.KPBZ.FG.Y.0011.251120T0455Z-251120T1400Z/
Harrison-Jefferson OH-Muskingum-Guernsey-Belmont-Noble-Monroe-
Beaver-Allegheny-Washington-Greene-Fayette-Higher Elevations of
Fayette-Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
Including the cities of Waynesburg, Davis, Cadiz, Washington,
Steubenville, Uniontown, Hazelton, Canonsburg, Ambridge, New
Martinsville, Morgantown, Saint George, Parsons, Follansbee,
Ohiopyle, Champion, Monaca, Wellsburg, Caldwell, Wheeling,
Coopers Rock, St. Clairsville, Thomas, Cambridge, Zanesville,
Canaan Valley, Woodsfield, Weirton, Fairmont, Hendricks, Rowlesburg,
Moundsville, Bruceton Mills, Martins Ferry, Kingwood, Terra Alta,
Aliquippa, Pittsburgh Metro Area, and Beaver Falls
1155 PM EST Wed Nov 19 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THURSDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of east central Ohio, southwest and western
Pennsylvania, and northern and the northern panhandle of West
Virginia.
* WHEN...Until 9 AM EST Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Special Weather Statement
Special Weather Statement
National Weather Service Morristown TN
403 AM EST Thu Nov 20 2025
NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-201400-
Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins-
Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen-
Northwest Cocke-Cocke Smoky Mountains-Northwest Greene-
Southeast Greene-Washington TN-Unicoi-Northwest Carter-
Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount-
Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains-
Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-
Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee-
Wise-Scott VA-Russell-Washington VA-
Including the cities of Andrews, Marble, Topton, Hiawasse Dam,
Murphy, Unaka, Violet, Shooting Creek, Brasstown, Hayesville,
Tusquitee, Big South Fork National, Oneida, Smokey Junction,
Elgin, Huntsville, Norma, Slick Rock, Fincastle, La Follette,
Elk Valley, Jellico, White Oak, Caryville, Royal Blue,
Lone Mountain, Sandlick, Springdale, Arthur, Harrogate-Shawanee,
Clairfield, Howard Quarter, Evanston, Sneedville, Treadway,
Kyles Ford, Mooresburg, Kingsport, Bristol TN, South Holston Dam,
Doeville, Mountain City, Neva, Shady Valley, Trade,
Laurel Bloomery, Pine Orchard, High Point, Petros, Oak Ridge,
Clinton, Maynardville, Norris Lake, Paulette, Rose Hill,
Sharps Chapel, Luttrell, Bean Station, Alpha, Morristown,
Russellville, Bybee, Newport, Hartford, Greeneville, Cedar Creek,
Johnson City, Erwin, Unicoi, Limestone Cove, Elizabethton,
Hampton, Harriman, Eagle Furnace, Rockwood, Bradbury, Fairview,
Kingston, Oliver Springs, Lenoir City, Loudon, Bearden,
Knoxville, Lake Forest, Jefferson City, Strawberry Plains,
Chestnut Hill, Dandridge, White Pine, Happy Valley, Maryville,
Alcoa, Cades Cove, Harrisburg, Kodak, McMahan, Sevierville,
Seymour, Pigeon Forge, Elkmont, Gatlinburg, Cagle, Dunlap,
Cartwright, Lone Oak, Old Cumberland, Palio, Melvine,
Mount Crest, Pikeville, Brayton, Dayton, Evensville,
Old Washington, Grandview, Spring City, Big Spring, Athens,
Clear Water, Dentville, Etowah, Sweetwater, Madisonville,
Bullet Creek, Citico, Coker Creek, South Pittsburg,
Haletown (Guild), Jasper, Martin Springs, Whitwell,
Powells Crossroads, Monteagle, Chattanooga, Lookout Mountain,
Signal Mountain, Cleveland, Tasso, Conasauga, Archville, Benton,
Parksville, Reliance, Big Frog Mountain, Ducktown, Turtletown,
Big Stone Gap, Norton, Wise, Coeburn, Appalachia, Pardee,
Hiltons, Hansonville, Lebanon, Dye, Castlewood, Honaker,
Rosedale, Benhams, Bristol VA, and Abingdon
403 AM EST Thu Nov 20 2025 /303 AM CST Thu Nov 20 2025/
...Locally Dense Fog This Morning...
Areas of fog can have developed this morning, and some of this fog
will be locally dense. Visibility can quickly drop to one quarter
of a mile to near zero in spots.
Use caution if traveling this morning. Take it slow, use low-beam
headlights, and leave plenty of space between you and other
vehicles. Allow extra time to reach your destination.
$$
Special Weather Statement
National Weather Service Baltimore MD/Washington DC
948 PM EST Wed Nov 19 2025
MDZ501-509-510-WVZ501-503-201300-
Extreme Western Allegany-Western Garrett-Eastern Garrett-
Western Grant-Western Mineral-
Including the cities of Frostburg, Mountain Lake Park, Oakland,
Grantsville, Bayard, Mount Storm, and Elk Garden
948 PM EST Wed Nov 19 2025
...LOCALLY DENSE FOG ON THE RIDGETOPS...
Patches of dense fog have developed along the ridgetops and
eastern facing slopes. This fog should persist through the night.
Visibilities may be locally reduced to a quarter mile or less.
Motorists should use extra caution, leave extra travel time and
following distance, and use low beam headlights in fog. Conditions
may change rapidly over short distances.
$$
BELAK
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service State College PA
455 AM EST Thu Nov 20 2025
PAZ010>012-017>019-024>028-033>036-041-045-046-049>053-056>059-
063>066-211000-
Elk-Cameron-Northern Clinton-Clearfield-Northern Centre-
Southern Centre-Cambria-Blair-Huntingdon-Mifflin-Juniata-Somerset-
Bedford-Fulton-Franklin-Northern Lycoming-Southern Clinton-
Southern Lycoming-Union-Snyder-Montour-Northumberland-Columbia-Perry-
Dauphin-Schuylkill-Lebanon-Cumberland-Adams-York-Lancaster-
455 AM EST Thu Nov 20 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...
This Hazardous Weather Outlook is for central Pennsylvania.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.
Dense Fog Advisory.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to report significant hazardous weather.
$$
Hazardous Weather Outlook
National Weather Service Louisville KY
354 AM EST Thu Nov 20 2025
INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-210900-
Orange-Washington IN-Scott IN-Jefferson IN-Dubois-Crawford-Perry-
Harrison IN-Floyd-Clark IN-Hancock-Breckinridge-Meade-Ohio-Grayson-
Hardin-Bullitt-Jefferson-Oldham-Trimble-Henry-Shelby-Franklin-
Scott KY-Harrison KY-Spencer-Anderson-Woodford-Fayette-Bourbon-
Nicholas-Nelson-Washington KY-Mercer-Jessamine-Clark KY-Larue-Marion-
Boyle-Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-
Lincoln-Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-
Russell-Cumberland-Clinton-
354 AM EST Thu Nov 20 2025 /254 AM CST Thu Nov 20 2025/
This Hazardous Weather Outlook is for portions of southern Indiana
and central Kentucky.
.DAY ONE...Today and tonight.
Low clouds and patchy fog and drizzle will continue this morning
across the area. Any areas of fog or heavy drizzle will result in
sudden decreases in visibility.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
&&
More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.
$$
CSG
Hazardous Weather Outlook
National Weather Service Jackson KY
239 AM EST Thu Nov 20 2025
KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-210745-
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
239 AM EST Thu Nov 20 2025
This Hazardous Weather Outlook is for a portion of eastern Kentucky.
.DAY ONE...Today and tonight.
Patchy dense fog will affect mainly ridgetops this morning.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Thunderstorms are possible at times from Friday morning through
Saturday morning. Any thunderstorms during this time could produce
torrential rain.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
CMC
Hazardous Weather Outlook
National Weather Service Wilmington OH
108 AM EST Thu Nov 20 2025
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ053>056-060>065-070>074-
077>082-088-210615-
Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland-
Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Bracken-
Robertson-Mason-Lewis-Clark-Madison-Licking-Preble-Montgomery-Greene-
Pickaway-Fairfield-Butler-Warren-Clinton-Ross-Hocking-Hamilton-
Clermont-Brown-Highland-Adams-Pike-Scioto-
108 AM EST Thu Nov 20 2025
This Hazardous Weather Outlook is for east central Indiana,
southeast Indiana, northeast Kentucky, northern Kentucky, central
Ohio, south central Ohio, southwest Ohio and west central Ohio.
.DAY ONE...Today and tonight.
There is a low probability for widespread hazardous weather.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Rain will occur across the area Friday into Friday night. There may
be a corridor of locally heavier rain which could cause some minor
flooding.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Morristown TN
103 AM EST Thu Nov 20 2025
NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-210615-
Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins-
Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen-
Northwest Cocke-Cocke Smoky Mountains-Northwest Greene-
Southeast Greene-Washington TN-Unicoi-Northwest Carter-
Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount-
Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains-
Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe-
Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee-
Wise-Scott VA-Russell-Washington VA-
103 AM EST Thu Nov 20 2025 /1203 AM CST Thu Nov 20 2025/
This Hazardous Weather Outlook is for portions of southwest North
Carolina...east Tennessee and southwest Virginia.
.DAY ONE...Today and Tonight
Areas of dense fog can be expected early this morning, with
visibilities dropping below a quarter mile in some locations. Low
visibility could make driving conditions hazardous.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not needed at this time.
$$
Hazardous Weather Outlook
National Weather Service Pittsburgh PA
1213 AM EST Thu Nov 20 2025
OHZ049-050-057>059-068-069-PAZ020-021-029-031-075-076-WVZ001>004-012-
021-509>514-210515-
Harrison-Jefferson OH-Muskingum-Guernsey-Belmont-Noble-Monroe-Beaver-
Allegheny-Washington-Greene-Fayette-Higher Elevations of Fayette-
Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
1213 AM EST Thu Nov 20 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...
This Hazardous Weather Outlook is for east central Ohio, southwest
Pennsylvania, western Pennsylvania, and northern West Virginia.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Dense Fog Advisory.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
