7day

West_Sat_Rad_Large_Pac

I wish I could say that there would be some wind to come in to blow all the smoke away, but generally light winds and active fires regionally will likely assure we will have at least some smoke and haze in the region for the next several days at a minimum. And after a bit of a break the heat will get cranked back up to around 100 degrees again through the middle of the week, before dropping slightly into the upper 90s by the end of the week. Skies (above the smoke) will vary from sunny to partly cloudy all week, but there doesn’t appear to be much of a chance for any showers or thunderstorms in the near future.

heat lightning

Joan asks: “One summer evening in Kansas, at dusk, under a clear sky, a large cloud formed. Completely within it, an awesome lightning storm happened with no sound. It lasted a good 20 minutes. I’ve never seen that before or since. Could you tell me what caused it?”

The common term for what she is describing is “Heat Lightning.” There is really nothing mysterious about it. The reason she couldn’t hear any thunder is the lightning was too far away. In the evening hours, a flash of lightning can be seen 60-100 miles away, but thunder usually won’t be audible farther away than 6-10 miles. So silent lightning is actually quite common.

 

 

 

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