Halloween Rain Possible: Texas to Midwest, Northeast
By By Kristina Pydynowski, senior meteorologist
October 29, 2013, 1:01:15 AM EDT
Signs are pointing toward a Halloween soaker unfolding from Texas to the Midwest and Northeast.
The same storm that will bring a blizzard to the northern Rockies through Monday will eventually spread rain across the eastern half of the United States later in the week.
Unfortunately, the rain threatens to ruin trick-or-treating and other Halloween activities on Thursday.
While the timing and intensity of the rain will continue to be refined during the upcoming days, AccuWeather.com meteorologists have pinpointed the corridor from eastern Texas to the Midwest and Northeast as where a soggy Thursday will unfold.
Across the Northeast on Thursday, it appears that the steadiest rain will spread over the St. Lawrence Valley and places toward the eastern Great Lakes with spottier and lighter rain elsewhere.
The steadier rain should even wait until trick-or-treating is done to reach the Northeast's I-95 corridor, though a stray shower may still dampen Halloween festivities Thursday evening.
The rain will pour down heavily at times, potentially causing travel delays and forcing umbrellas to become accessories to Halloween costumes. Flash flooding may also ensue, especially from the Ohio Valley southward.
A surge of milder air ahead of the storm will lead to gusty showers and thunderstorms along the leading edge of the rain. On the backside of the storm, there will not be enough cold air present for snow.
There is concern for winds to becoming damaging from the Great Lakes to the western Tennessee Valley Thursday and Thursday night, further ruining Halloween festivities and creating hazards for operators of small craft on the Great Lakes.
These winds would hold off until Thursday night and Friday if the storm is slower to strengthen and move through the Great Lakes.
Even if the damaging wind threat holds off until Thursday night, breezy conditions and some rain will first be experienced during the day across most of the Great Lakes.
The slower solution for the storm would also delay the rain from reaching the upper Ohio Valley and central Appalachians, leading to a dry and mild Halloween afternoon and evening.
The storm should not move quick enough to bring widespread soaking rain to the Southeast and coastal mid-Atlantic on Halloween. Thursday and Thursday evening are instead shaping up to be dry and mild in most communities.
Those with outdoor plans on Halloween across the eastern half of the United States should continue to check back with AccuWeather.com for the latest details on this soaker.
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