Thursday, August 17, 2017
How the eclipse may affect temperatures
Forecasters at the National Weather Service in Indianapolis pulled up data from the last annular eclipse to take place in 1994. The temperature dropped 4° in an hour when the maximum eclipse occurred over Lafayette. The moon appears smaller in an annular eclipse, so it does not cover all of the sun. So it is conceivable the temperature may drop 5° to 7° during the peak of the eclipse.
Right now we are forecasting a high of 90° for Monday. Since the eclipse is happening during the peak heating of the day I'm curious to see if that keeps the temperatures from reaching their full potential.