Published: Fri, June 30, 2017
Global Media | By Abel Hampton

Severe thunderstorms likely to return today to Upstate NY

Severe thunderstorms likely to return today to Upstate NY

We are gearing up for another possible severe weather day in Eastern Iowa and Western Illinois. This low will migrate eastward and weaken slightly as a warm front lifts northward across Wisconsin throughout the afternoon.

Combined with a push of cool air, the building heat and humidity will provide plenty of fuel for these storms to be more unsafe than the average summertime thunderstorm. The Storm Prediction Center has all of NWAR and much of the River Valley under a "Marginal" risk of severe weather. Clouds are expected to clear over parts of western Iowa for a few hours this afternoon.

Strong winds can topple trees and power lines, resulting in power outages and widespread damage. The main threat will be damaging winds, according to the National Weather Service.

Storms are likely across Oklahoma on Friday, from later Friday and into Friday night. Strong to severe storms are forecast to redevelop to our west and spread into our area this evening/overnight. This flow, along with insolation and low-amplitude mid-level waves traversing the region, will favor the development of high-based supercells with at least an isolated hail and damaging wind threat during the afternoon. The "Enhanced" risk area is mainly across NWAR and northeast Oklahoma.

The Weather Service said the chances for showers and storms are 30 percent Friday night, 20 percent Saturday, 30 percent Sunday, 50 percent Sunday night, 30 percent Monday, 20 percent Monday night through Tuesday night, and 30 percent Wednesday. Thus, higher severe probabilities (attendant to categorical slight risk) have been expanded some across portions of northeastern Colorado.

We will have a break Saturday afternoon and scattered storms will form Sunday.

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