"A massive 200+ mile long dust storm developed along an outflow-assisted frontal boundary in northern Mexico (just south of the Rio Grande) late this afternoon. Note the super cell thunderstorms anchoring the east end of the dust cloud. This dust storm appeared similar in structure to the dust storm that swept through the Lubbock area Oct, 17, 2011. Weather observations are sparse in northern Mexico, but a report from the International Airport in Chihuahua indicated wind gusts exceeding 40 mph with surface visibilities to a half mile in sand and dust as the storm moved southward from near the Rio Grande deep into the desert areas over about a five-hour period. What a difference to be north of the track of the upper-level low pressure system."
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Much cooler air with temperatures more typical of mid- to late September will sweep across the Great Lakes and Northeast into next week.
Much of the southern United States dealing with the aftermath of Cindy will get a break from hot, humid and stormy conditions by the end of the weekend.
This weekend’s taste of September across the north-central United States will give way to a resurgence of heat, steamy air and severe weather by midweek.
The recent April-like rainy stretch of weather will quickly get erased by a resurgence of sizzling heat in northeastern China this week.
A welcome period of more seasonable conditions will grace Germany this weekend before the risk of stronger thunderstorms returns around the middle of next week.
Cooler air will continue to pour across the United Kingdom this weekend, providing relief from the longest June heat wave in more than 40 years.
Tropical Storm Dora in the eastern Pacific Basin threatens to increase downpours along Mexico's southern coast into Monday.