Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

A cold front brought a line of heavy rainfall across the TN Valley during the early morning hours on October 23, 2017. The low level jet intensified as the line of showers moved through the area, producing a high amount of low level wind shear. This caused an isolated tornado to down near the Trinity community in Morgan County, AL around 2:28 am. Interesting to note, there was no lightning observed within the line of showers.

Click to the image to view an interactive track map.

Location/Clickable Detailed Summary Link	Start Time (CST) Date (MMDD)	EF Scale/Max Wind Speed (mph)	Injuries/ Fatalities	Path Length (Miles)	Path Width (Yards)	Starting Lat/.Long	Ending Lat/.Long
Trinity, AL (Morgan Co)	2:28 AM - Oct 27, 2017	EF-1/105 MPH	0 /0	2.4	75	34.5746 -87.1057	34.5942 -87.0706

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Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Isolated Tornado on October 23, 2017