Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Perhaps you have heard of Crepuscular Rays...those rays of sunshine that poke through holes in cloud cover (as in the images below).

Did you know there also are Anti-Crepuscular Rays? This phenomena occurs when low-angled sunlight gets blocked by cloud cover...and would be visible on the opposite horizon. That is, sunrise rays would be visible in the western sky. A thunderstorm in the vicinity of Lake Cumberland this morning, caused just such a ray. It was visible on a webcam from WBKO over Scottsville, Kentucky. See that image below and also the animated gif showing a loop of those images. Below those images is a quick look of the storms that caused those rays from some different perspectives.

Tweet from Eddie Conner of what he saw of the storm and the radar imagery at the time.

First-light visible GOES-East satellite image showing the storm south of Liberty causing the shadow.

Viewing the series of storm to the south from Lexington this morning. Image courtesy of @kyanimalguy on Twitter.

For a good webpage providing a bit more description of what these rays are, check out this NASA webpage, https://apod.nasa.gov/apod/ap060917.html.

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Dangerous Heat and Possible Flooding

Anti-Crepuscular Rays Monday Morning in South Central Kentucky