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The original item was published from 4/17/2019 10:37:59 AM to 4/18/2019 8:57:03 AM.

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Posted on: April 17, 2019

[ARCHIVED] Weather Alert Today (4/17/19)

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Bottom Line 
Some strong to severe storms are expected across the area this afternoon and into the night.

Overview
The forecast remains similar to the last couple of days: severe weather is likely across the region from mid-afternoon to mid-evening. The exact timing, severe weather hazards, and coverage depends on your location, and the image below should help provide more specific detail. A summary of the 3 areas of concern this afternoon and tonight is given here:

1. Eastern areas (east of Bonham, Corsicana, Hearne line) after 3 pm will be the first region of concern. This area looks like it has the highest potential for significant tornado activity, but it’s also the region where we are the least confident severe storms will be able to develop. Any storms that do develop in this area during the mid-late afternoon hours will have the potential to produce very large hail (baseball size) and damaging winds as well.

2. After 5 pm, areas west and northwest of the DFW Metroplex look to get active with storms firing on a dryline and moving east toward and through the I-35 corridor. Very large hail (greater than baseball size is possible with any storms that mature in this area). While the threat for tornadoes is lower in this area, brief isolated tornadoes can’t be ruled out. There is a low chance that the tornado potential could increase after 8 pm, particularly if storms are still not in a line and remain relatively separated.

3. After 9 pm, a strong upper level disturbance and a cold front will result in a squall line of storms developing in western areas and racing eastward during the overnight hours. The severe weather threat with the line looks greatest for areas south of I-20. This line will be capable of mainly damaging winds and possibly brief embedded tornadoes. Hail potential will be lower with the line, but up to ping pong ball size will be possible.

The flood potential will be limited by the scattered nature of storms and a fairly fast storm motion, but isolated instances of flash flooding are still a possibility, especially for areas that have had more than 3 inches of rain in the last 10 days.


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