National Weather Service United States Department of Commerce
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Last Map Update: Thu, Aug. 17, 2017 at 8:41:16 am CDT

National Weather Service Amarillo, TXNational Weather Service Norman, OKNational Weather Service Tulsa, OK
National Weather Service San Angelo, TXZoom
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National Weather Service Shreveport, LA
National Weather Service Austin/San Antonio, TXNational Weather Service Houston/Galveston, TXNational Weather Service Lake Charles, LA

As a complex of storms weakens by midday, a boundary is expected to develop across the region. Most guidance has trended towards a boundary along the I-20 corridor. Scattered showers and thunderstorms are expected to develop along this boundary this afternoon. Brief heavy downpours, lightning, gusty winds, and a low potential for downburst winds are the main hazards with storms that develop this afternoon.
A Heat Advisory is in effect today (Thursday) from noon until 6 pm for locations along and south of a Killeen to Athens line. Heat index readings of 105 to 100 degrees are possible, especially between noon and 4 pm. Try to avoid being outside this afternoon if possible, but if you must be outside, take breaks from the heat and stay hydrated. Never leave children or pets in a car!
Isolated to scattered afternoon storms will be possible across the region on Friday, with higher chances across the northern half of the region. Drier conditions can be expected Saturday and Sunday as the upper level ridge continues to build into the region. Heat index values will be above 100 degrees in most areas.
A total solar eclipse will occur on August 21, 2017. Unfortunately, North and Central Texas will be well away from the path of totality (where it actually gets dark). Coverage of the sun over North and Central Texas will range from around 69 percent in Brownwood to nearly 82 percent in Texarkana. The moon's shadow will move across the U.S. at over 1500 mph! The transcontinental trip will occur in 90 minutes! The last time that we've been able to view this much of a solar eclipse was on May 10, 1994. The next solar eclipse that will be viewable from Texas will be an annular eclipse on October 14, 2023. During this event, the maximum shadow (~90 percent coverage) will track from Albuquerque, NM to San Antonio to Corpus Christi. A Total Eclipse will occur on April 8, 2024. Totality will occur from Del Rio, to Killeen, to Dallas, to Little Rock, AR.

 
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