Heavy Rain, Mountain Snow Bound for Mexico
Indications are a storm will plow into Mexico later this week to spread rain over a large part of the nation during an unusual time of the year.
Essentially, this storm has the potential to bring from one to three winter season's worth of rainfall and mountain snow.
Typically the period from late fall to the early spring is a dry time of the year for the region. Much of Mexico receives the bulk of its yearly rainfall from warm season-driven showers and thunderstorms spanning late May into early October.
The storm that moved in from the central Pacific Ocean, brought needed rain to a large part of California during Tuesday and will set up shop for a several-day period over central and southern Mexico.
From this position, the storm should be able to pump beneficial moisture over the a significant part of the nation from the last part of this week into the weekend.
There is potential for several tenths to an inch of rain in many locations. Several inches of rain could fall in portions of central and northeastern Mexico.
Rainfall for the entire month of February tends to be on the order of one to several tenths of an inch with less than an inch of rain falling on average for the entire winter season.
Portions of Mexico have been in a multi-year drought with rainfall even lacking during the wet season.
It is possible Mexico City (at an elevation of 7,300 feet) may receive snow from the storm. There is a more remote possibility that snow will fall in Guadalajara (at an elevation of 5,000 feet).
A few feet of snow could fall over the highest elevations of the Sierra Madre.
While the storm will be mostly beneficial, there is a slight risk of too much rain in a few places. This would generally only occur if the storm's heavy rain is focused over the same area for a few days, or if a complex of thunderstorms were to develop, unloading a few inches of rain in a matter of hours.
This story was originally published on Monday, February 6, 2012 as 11:00 a.m. EST and has been updated on February 8, 2012.
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