Flash Flood Watch extended a second time, now for more areas, into Thursday morning with significant rain totals this week

Weather

UPDATE 4:15 p.m. Wednesday May 20, 2020: More counties have been added into the Flash Flood Watch and we have had flooding in some parts of the area, especially in southeast Ohio where some roads have had water over them.

Flood warnings have been issued for areas around the Parkersburg-Athens region and there are some spots where the water has come up over low lying roads in Ohio and the roads are closed. This was the map showing the red markers where roads are closed across Ohio due to flooding from the Ohio Department of Transportation as of 4: 15 p.m. Wednesday 5/20/2020.

Ohio road closures for flooding as of 4:15 p.m. seen in red markers – ohgo.com

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UPDATE 7:45 p.m. Tuesday, May 19, 2020: Flash Flood Watches have been extended through Thursday morning for the same areas previously covered in the watch for three Ohio River counties in West Virginia, all of Ohio and nearly all of Kentucky in the 13 News viewing area.

The Scioto River is also set to go into flood stage and remain there until late in the weekend in Piketon, Ohio where the crest will take place late Thursday around 26.3 feet, or 6.3 feet above the flood stage, according to the National Weather Service

UPDATE 7:45 p.m. Monday May 18, 2020: Flooding has already taken place in the farthest western portion of the WOWK viewing area in western Lewis County, KY on Monday afternoon where as much as two inches of rain has already fallen and even more heavy rain is in store.

Rainfall estimate via VIPIR Real Time Radar showing bullseye of heavy accumulation in SW Lewis County, KY

Meanwhile, weather models continue to show several inches of rainfall to be seen in the area with the highest amounts from Huntington to the west for the entire week. The rainy pattern is not supposed to change until this coming weekend.

Predictor rainfall output estimates by late Tuesday with another inch or two possible over the yellow and orange zones.

The Stormtracker 13 Meteorologists believe that flash flood watches could be expanded in area or more likely in time frame as the rain event continues to unfold.

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CHARLESTON, WV (WOWK) – After a quick blast of heat for this time in May, a much larger weather system is in the Stormtracker 13 forecast for the week.

Strong thunderstorms and even flash flooding are possible due to multiple rounds of rain as a front and area of low pressure stall over the region for a few days. This low will be somewhat “stuck” over the area because of Tropical Storm Arthur (or its remnants in as it weakens) as it slowly moves past the eastern parts of the Carolinas. Arthur will also be slowed by a large, “blocking high” to its north.

Model output showing Tropical Storm Arthur off the NC coast Monday with a blocking high stalling it and that will stall the low over our region as well meaning more rain and storms

There will be a few scattered thunderstorms on Sunday in the late day heat but larger geographic areas will expect to see lines of showers and storms form and move over many of the same spots again and again, almost like a “funnel effect” with the wind flow converging over the region, steering storms over the same terrain. Strong wind gusts could accompany the mid afternoon and evening showers and storms.

Predictor model output for Monday around 2 p.m. showing lines of storms forming in the area

While the traditional movement of lines of storms is west to east locally, these storms may take on more of a south to north flow over the same areas with repetition.

Predictor model output for 7:10 p.m. Monday with strong storms projected across the region

When the storms initially arrive, the top severe weather risk is strong to severe wind gusts, but then the focus will shift to the chance of flash flooding.

Severe storm outlook area for Monday, May 18, 2020 has our area in Marginal Risk area, category 1 out of 5 with winds as top risk

The rainfall will continue to funnel over many of the same areas with even more rounds of rain on Tuesday. Depending on which model is chosen, there could be as much as 3 inches of rain that falls in certain areas. Some models put that higher concentration of rain west of Huntington while other models center the main rainfall over the Charleston-Huntington area. Many large weather patterns on the globe will influence the final outcome for small areas within the WOWK TV viewing area.

Rain totals Monday through Thursday at 6pm.

Now is a good time to get the Stormtracker 13 app so you know when showers and storms are coming and if there are any warnings in your area. You can download if for Android or Apple devices for free right here.

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