# Dense Fog Advisory: Harrison; Jefferson; Guernsey; Belmont; Monroe; Forest; Butler; Clarion; Jefferson; Beaver; Allegheny; Armstrong; Washington; Greene; Westmoreland; Westmoreland Ridges; Fayette; Fayette Ridges; Indiana; Higher Elevations of Indiana; Hancock; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/d517804ac45ed687

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-21 01:50 ingested 2026-08-21 06:44

[original source ↗](http://www.weather.gov/)

## extract

Dense Fog Advisory — Harrison; Jefferson; Guernsey; Belmont; Monroe; Forest; Butler; Clarion; Jefferson; Beaver; Allegheny; Armstrong; Washington; Greene; Westmoreland; Westmoreland Ridges; Fayette; Fayette Ridges; Indiana; Higher Elevations of Indiana; Hancock; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia
Severity: Moderate. Certainty: Likely.
* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Portions of east central Ohio, northwest, southwest, and
western Pennsylvania, and northern and the northern panhandle of
West Virginia.

* WHEN...Until 9 AM EDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.