Maybe 100yrds? I can't see jack shit...
Active Weather Alerts
DENSE FOG ADVISORY
ISSUED: 11:00 AM JAN. 24, 2024 – NATIONAL WEATHER SERVICE
...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EST THIS AFTERNOON...
* WHAT...Visibility less than one quarter mile in dense fog.
* WHERE...In Delaware, New Castle. In Pennsylvania, Delaware,
Western Chester, Eastern Chester, Western Montgomery, Eastern
Montgomery, Upper Bucks and Lower Bucks.