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Showing posts from July, 2022

End of the Week Forecast

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 Looking to the end of the week by Aidan Cera  Rest of Wednesday  After a few morning showers and thunderstorms, southeast Wisconsin has dried out, with some fluffy cumulus clouds passing overhead.  Looking at a surface analysis map from earlier this afternoon, we can see that there is a cold front draped across southeastern Wisconsin. This cold front is expected to continue eastward through the remainder of today and into tonight, with northwesterly flow behind it. This northwest flow is advecting cooler and drier air yet there is still some forcing and moisture left in the air behind the front. As a positively tilted shortwave trough propagates southward, some shower and perhaps a few thunderstorms may develop across western Wisconsin and track eastward into southeastern Wisconsin later tonight.  These showers/storms will be rather hit or miss and not everybody is going to see precipitation tonight. None of these storms are expected to be severe.  Thursday  Tomorrow we will still be

Severe Weather Possible Saturday (07/23)

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 Severe Thunderstorms This Weekend  by Aidan Cera  I have been keeping a close eye on Saturday across central and eastern Wisconsin with regards to the possibility of severe weather. The Storm Prediction Center has been highlighting this possibility for the last 2 days, below are the graphics issues by the SPC. The SPC has issues an enhanced risk of severe weather for southeastern Minnesota, northeastern Iowa and central Wisconsin for 07/23.  A "Sig" or significant risk for severe weather has been issues by the SPC for a decent chunk of Minnesota, northern Iowa and most of Wisconsin.  Synopsis A negatively tilted shortwave trough accompanied by a jet streak will advect out of the northern Great Plains and into southern Canada and into Minnesota Saturday afternoon then Wisconsin Saturday night.  The key take away from looking at the 250 mb level of the atmosphere is that there will be ample upper level divergence over Wisconsin Saturday afternoon into the evening. This will en