The National Weather Service has replaced the High Wind Watches in Middlesex and New London Counties with Wind Advisories. Wind Advisories have also been issued for New Haven County in Southern Connecticut and Hartford, Tolland and Windham Counties in Northern Connecticut. The advisories in Southern CT are in effect from 6:00 AM Friday morning to 4:00 PM Friday afternoon and the Advisories in Northern CT are in effect from 6:00 AM Friday morning to 6:00 PM Friday evening.
A low pressure system currently located over the Western Great Lakes is forecast to move slowly to the Northeast across the upper Great Lakes as it intensifies during the next 18 - 24 hours. As this storm moves to the west a strong high pressure system located east of Cape Cod is forecast to generate a tight pressure gradient between the two weather systems late tonight and during the day on Friday across most of New England. The following forecast is based on a blend of the GFS and NAM computer models: