Great Lakes Storm will bring rain, strong wind to the Valley Wednesday

Dry weather and warmer temperature can be expected today and Tuesday; however, strong midwestern low pressure will bring rain and windy conditions for Wednesday. Dry conditions and cooler temperatures return for Thanksgiving Day.

Generally, fair weather will visit the Valley for the next couple of days. Mild temperatures and variable cloud cover can be expected today and Tuesday. A breezy south wind will push temperatures into the low-50s across the region this afternoon while a couple of little disturbances ride through the region producing some occasional clouds. Temperatures tonight will be warmer than recent nights as the warm air continues to flow over the region.

Tuesday will bring a cloudier day as high pressure exits to the east. Again, with that strong southerly flow, temperatures should warm to the mid-50s.

Local details regarding the strong storm system I’ve been discussing here the past week are beginning to firm up. While the storm won’t bring any snow to the Valley, it will bring impacts to holiday activities in the form of rain and strong wind.

The surge of warmth will continue into Wednesday as a deepening low pressure system moves out of the Plains and into the Great Lakes region. As the storm moves closer to the lakes, it will strengthen significantly spreading rain and strong southerly wind across east-central Ohio on Wednesday.

EUROPEAN MODEL DEPICTION of a strengthening storm system as it travels across the Great Lakes Wednesday afternoon.

The good news is that we will remain on the warm side of the storm as it passes east well to our north. Precipitation locally will be all rain. While area roads will be wet, at least they won’t pose a snow and ice hazard.

The biggest impact from the storm locally will be the strong wind field generated by a deepening pressure gradient. Sustained wind will ramp up to the 15 to 25 mph range Wednesday. Gusts have the potential to be in the 45 to 55 mph range locally. And, those strong winds will stick around through Wednesday night.

POTENTIAL WIND GUSTS just above the surface from the NAM3km (North American Model) Wednesday morning.

As the parent low pressure continues to travel east into Ontario Wednesday night it will drag a cold front across Ohio. Snow showers behind the cold front will be mostly lake effect as winds shift northwest. Snow showers will be possible in northeast Ohio – mostly the snow belt counties.

Travel impacts locally will be wet roads, occasional heavy rainfall, blowing debris, and possible power outages. Those who have travel plans going northwest will need to check for delays due to heavy snow and blizzard conditions.

THANKSGIVING AND FRIDAY
Wind gusts will continue to be gusty in the morning and slowly diminish through Thanksgiving Day as high pressure begins to build from the west. After high temperatures on Wednesday around 60°, temperatures will return to the low-40s on Thanksgiving behind the storm’s cold front. Thanksgiving will be a mostly cloudy but dry day.

Dry conditions will continue Friday with plenty of clouds around. Afternoon highs will stay in the low to mid-40s.

ANOTHER MIDWEST SYSTEM MOVES IN OVER THE WEEKEND
The next storm system to affect the Valley will arrive Saturday as yet another low pressure system emerges out of the Plains and into the Great Lakes. Much like Wednesday’s system, this one will also spread rain chances into east-central Ohio Friday night through Sunday.

The system will drag a warm front across Ohio Friday night. That will allow temperatures to warm back to the 50s Saturday and Sunday morning. The system’s cold front will arrive Sunday. Colder air behind the front might bring a period of snow showers Sunday afternoon/evening.

NEXT WEEK
The weekend’s system will usher in a colder weather pattern. Temperatures are expected to remain colder than average into the first part of December.

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