Southern Lake Huron: Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 21 November 2014 Today Tonight and Saturday At 3:00 a.m. EST today dissipating trough located on a line
northeast-southwest over Lake Ontario.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Illinois.
By 3:00 a.m. EST Saturday ridge located on a line
northeast-southwest over Pennsylvania.

At 3:00 a.m. EST today low 998 mb located over northern
Saskatchewan.
By 3:00 a.m. EST Saturday low 993 mb located over northern Ontario.