Severe Weather: Snow, heavy rain, flooding expected in Arizona

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PHOENIX -- Severe weather is expected across Arizona on Wednesday.  Flooding continues in the northwestern part of the state, a Winter Weather Watch has been issued for the White Mountains and Mogollon Rim, and heavy rain is expected in the Phoenix area. 

The following reports have been issued by the National Weather Service:

Winter Storm Watch - Mogollon Rim / White Mountains

... Winter Storm Watch remains in effect from Wednesday afternoon through Thursday morning above 6000 feet...

A Winter Storm Watch above 6000 feet remains in effect from Wednesday afternoon through Thursday morning.

* Timing: snow will become heavy by Wednesday afternoon in western Arizona... spreading into eastern Arizona overnight Wednesday night.

* Snow levels: snow levels will start around 7500 feet Wednesday afternoon... then lower quickly as a cold front passes from west to east across the state. Snow levels will lower to around 5500 feet by Thursday morning.

* Snow accumulations: from Wednesday morning through Thursday morning... 4 to 10 inches are possible from 6000 to 7500 feet with 8 to 16 inches possible above 7500 feet.

* Other impacts: snow covered roads can be expected across the high elevations of northern Arizona. Most back country roads above 7000 feet elevation may become impassable.

Precautionary/preparedness actions...

A Winter Storm Watch means there is a potential for significant snow and strong winds. Continue to monitor the latest forecasts.


Flash Flood Watch  - West Central Desert

Flash Flood Watch remains in effect from midnight MST /11 PM PST/ tonight through Wednesday evening...

The Flash Flood Watch continues for portions of Arizona and extreme southeast California... including
the following areas... in Arizona... lower Colorado River valley AZ... northwest Maricopa County... southwest deserts... west central deserts and Yuma/Martinez Lake and vicinity. In extreme southeast
California... Imperial County... lower Colorado River valley CA and Riverside County/eastern deserts.

* From midnight MST /11 PM PST/ tonight through Wednesday evening a slow moving area of low pressure will bring an increasing chance of showers to the region late tonight into Wednesday night.
Rainfall totals during this event could exceed 1 inch across the lower deserts... and could reach an inch and a half across the higher terrain near Wenden and Wickenburg. This could result in the flooding of low lying areas and normally dry washes.

Precautionary/preparedness actions...

A Flash Flood Watch means that flooding of washes... creeks and other drainage areas is possible within the watch area. If you are in the watch area... you should watch the weather and be prepared to take immediate action should heavy rain and flooding occur or a Flash Flood Warning be issued.

Stay up-to-date on the latest forecasts by listening to weather radio on the public service band.

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