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Marginal Severe Weather Threat this Afternoon/Evening

May 14th, 2021
The Southeastern and Central Regions of Wyoming are under a Level 1 "Marginal" risk for severe...
The Southeastern and Central Regions of Wyoming are under a Level 1 "Marginal" risk for severe weather this afternoon with storms bringing the potential for strong wind gusts and small hail.(KGWN)
Updated: May. 14, 2021 at 11:59 AM CDT
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Another pattern shift leading into the weekend is allowing the state of Wyoming to see thunderstorm potential during the afternoon and evening for the next several days. The jet stream over the Pacific Northwest is taking a slight dip, bringing some instability into Wyoming which will support a favorable environment for thunderstorm development. Luckily temperatures that are warm but not too warm will limit the potential for severe weather overall, and the risks that we are seeing in Wyoming are nothing to be overly concerned with. It is still important to be weather aware about these things as we go forward however, as once the summer months arrive and temperatures are warmer more risks will come into play.

For today thunderstorms look to fire up during the late lunchtime hours with the southeastern part of the state likely to see the majority of them. The eastern 2 thirds of Wyoming will have the possibility for thunderstorms today and tomorrow, however nobody is guaranteed to see the activity. Today’s severe weather risk is a Level 1 “Marginal” risk, which includes the following counties: Laramie, Albany, Natrona, Platte, and Goshen. Southwest Converse and Northeast Carbon are also included as well as far east Fremont and small portions of Johnson, Washakie, Niobrara, and Hot Springs. The primary risks for today include some small hail and strong wind gusts, with strong wind gusts being the primary threat. The southwestern portion of the Nebraska Panhandle is also in the “Marginal” risk zone.

Storms are expected to last through the evening into the early overnight hours tonight with the dinnertime hours likely to be the most active, especially for the eastern central parts of the state in places like Casper. As temperatures drop overnight leftover thunderstorm activity will calm, however some rain showers could most certainly last for parts of the state into the early morning hours. Cloud cover is expected to hang around much of Wyoming overnight as well, though the southeastern corner is likely to see the sky clear a bit heading into Saturday morning.

Temperatures on Saturday are expected to be a few degrees cooler than today which will further limit severe weather capabilities, but at this time Cheyenne and Laramie are both in a Level 1 “Marginal” risk zone for the afternoon and evening. This zone will likely expand before storm activity begins on Saturday, which will be similar to today in terms of timing. Storm activity is actually expected to be more widespread for Saturday, with the evening hours being the best chance for Casper and Buffalo to see rain over the next week or so as of now.

Come Sunday activity for the northern half of the state will be reduced to isolated storms while the southeastern corner of the state and the Panhandle continue to see more scattered storms during the afternoon. In fact for places like Cheyenne or Laramie anyone with outdoor plans for the next several days may want to plan on knocking them out early as pretty much every day for the next week scattered afternoon storms are expected to begin during the late lunchtime hours with the potential to last into the early overnight hours. Keeping a rain jacket or an umbrella in the car will be essential during this time frame as well.

CHEYENNE, Wyo. (Wyoming News Now) -

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