Evening Forecast Wed Sep 17 2014 Significant threat for flash flooding continues across the southwestern U.S.; some river flooding is possible as well Heavy precipitation continues to be forecast for much of the Southwest U.S. due to the remnants of Odile. The heaviest rainfall will be concentrated across southern Arizona, southern New Mexico and western Texas where 3 to 6 inches could fall through Friday, with some locales receiving up to 9 inches. Flash flooding, as well as river flooding, will be a risk for many locations in this region. The big thing making weather headlines over the next couple of days will be the moisture associated with the remnants of tropical depression Odile.This once powerful hurricane over the Baja California peninsula is steadily weakening, however there is a plethora of tropical moisture associated with the circulation of Odile to cause areas of excessive rainfall. Widespread flash flood watches are in effect from eastern California to extreme western Texas. The areas that will likely be hardest hit will be southern Arizona and southern New Mexico, where several inches of rainfall is possible. In the warm and humid airmass near the Gulf Coast and Florida, there will be scattered showers and thunderstorms, especially during the afternoon and evening hours. A stalled frontal boundary over the Deep South is helping to ignite additional convection. Locally heavy rainfall will be possible near the Texas coast and South Florida, and another area of concentrated rainfall is likely over Arkansas Wednesday evening. Showers are also likely across northern New England as a wave of low pressure clips the northern border of the U.S. Elsewhere, a large surface high is controlling the weather pattern across much of the eastern U.S., with many states enjoying quality fall-like conditions.
Posted on: Thu, 18 Sep 2014 02:07:22 +0000
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