Looking up and Over our Shoulder

Wow another beautiful day…lots of sunshine and highs in the mid 80s. This pattern is about to change though, so enjoy the clear sky while you can. That is why I say looking up and over our shoulder.  Tonight we look up.  There is a nice little treat in the sky, with the moon as one point, planets and a star join in to form a triangle. Look to the southeast sky after 12midnight.  You find the waning Gibbons moon, Saturn, Mars and the star Antares in a triangle shape.  Notice Mars it will appear quite bright.  The red planet will even get brighter over the nest month. If you miss it tonight, it will be around tomorrow night, however, there will likely be more clouds to obscure the view.

LS 2016-april-25-moon-mars-saturn-antares

Now looking over our shoulder… a ridge of high pressure across the southeast U.S. is responsible for the summer-like weekend and the mid 80s and sunshine we had today.  An area of low pressure in the central plains will move our way carving into the ridge of high pressure. Wednesday.  Some of the forecast models are trying to bring in some thunderstorms as Tuesday night, but there is not a great deal of confidence in that scenario. We do expect some isolated thunderstorms on Tuesday, but not severe.

WSMV RPM 12KM WxType StationaryWSMV RPM 12KM WxType Stationary2WSMV RPM 12KM WxType Stationary3WSMV RPM 12KM WxType Stationary4WSMV RPM 12KM WxType Stationary6

There will be an increase in moisture and instability over the next 48 hours.With the added lift from the approaching system, we could see some strong to severe thunderstorms Wednesday afternoon into the evening.  The most likely area will be east of I-65.  The Storm Prediction Center has put that area in a “slight” risk area for severe thunderstorms Wednesday.  “Slight” is 2 on a 1-5 scale.

PAUL SEVERE RISK REGION.png

The greatest threat at this time is from high wind and hail, but isolated tornadoes can not be ruled out.

I’ll have an update on Channel 4 News at 10pm.  Paul Heggen will have the latest in the morning on Channel 4 News Today.  A “4WARN Alert” may be issued then. In the meantime, enjoy tonight’s triangle in the sky.

Lisa Spencer

posted 9:30pm

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About Lisa Spencer

Lisa Spencer is the chief meteorologist at WSMV Channel 4 Nashville. You can catch her weathercasts weekdays at 5pm, 6pm and 10pm.
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