| How Do You Spell Southern Heat Relief In July? We’ve been covering record-breaking heat for weeks in parts of the South and Southwest. Unless you love extreme heat and humidity, you’re probably craving a nice 75-degree day with low humidity. But that almost never happens in the South this time of year, the hottest time of summer. That’s because cold fronts don’t have the oomph needed in the heart of summer to sweep through the South and clear that stagnant air out. The jet stream that drives those fronts south is usually over the far northern U.S. or Canada in July. We do have a little good news, though. The dome of high pressure responsible for the persistent heat will retreat out of the Southeast the next few days. That will allow a weak cold front to drop into the Southeast before it loses steam and washes out. And that will provide just a little relief. For example, highs from Oklahoma into the Tennessee Valley and Piedmont of the Carolinas will be in the 80s, instead of 90s. Morning lows in these areas this weekend may “plunge” into the 60s rather than the usual 70s. In parts of the Deep South, highs may be near 90, instead of pushing toward 100 degrees. And in some places, dew points should tick down a few degrees, making it feel just a bit less humid. Unfortunately, central and south Texas won’t see any relief, and Florida’s searing peninsula may only trend down a tad closer to mid-summer average highs. That’s about as good as it can get this time of year in the South. Enjoy this break, such as it is. The heat will ramp back up first in the Southern Plains, then in the Southeast next week. | 
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A new fossil suggests that at least some Mesozoic mammals 
