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    More Flooding Downpours to Target Southwest

    By By Kristina Pydynowski, Senior Meteorologist
    July 25, 2010, 8:27:25 AM EDT

    An influx of monsoon moisture will not only trigger additional showers and thunderstorms across the Southwest the next several days, but also could lead to more flooding problems.

    Showers and thunderstorms will increase in coverage across the Southwest this afternoon as the monsoon moisture surges northward.

    Some downpours have and will continue to be produced. Downpours will be most numerous from eastern Arizona and New Mexico to Kansas, where the core of the monsoon moisture will be aimed.

    One of these heavy bands of rain settled over Trinidad, Colo., this morning, dropping more than 3.50 inches in six hours.

    The downpours threaten to trigger more flash flooding incidents over the Southwest. Dry stream beds, also known as washes, and low-lying roads and poor drainage areas could quickly become inundated with flood waters.

    Officials may be forced to close flooded roadways. Even if barricades are not in place, motorists are reminded to never put your life at risk by driving through a road covered by water.

    Those camping along streams and washes are urged to stay alert for rapidly rising water. Flooded waterways threaten to strand hikers.

    A more localized number of the thunderstorms will kick up damaging winds. All of the thunderstorms will spark potentially deadly lightning.

    The showers and thunderstorm activity should wane later tonight after sunset, but will reactive Monday afternoon.

    The core of the monsoon moisture will shift westward Monday into Tuesday, also shifting the corridor where drenching thunderstorms will be most numerous.

    On Monday, that corridor will be centered over the Four Corners region. It should be situated from Arizona and southeastern California to Idaho on Tuesday.

    The thunderstorms both Monday and Tuesday will rumble over Utah's Zion National Park. A few of Tuesday's thunderstorms will ignite in the mountains outside of Las Vegas, Nev., and Palm Springs, Calif. Related to the Story: Southwest Radar Severe Weather Center Visit our Facebook Fan Page Follow us on Twitter Breaking Weather

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