Area Forecast Discussion
Issued by NWS Midland/Odessa, TX

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FXUS64 KMAF 290519

1119 PM CST Fri Nov 28 2014

See 06Z aviation discussion below.


VFR conditions are expected the next 24 hours at the terminals
across west Texas and southeast New Mexico. Winds will increase
again out of the southwest Saturday afternoon.


.PREV DISCUSSION... /ISSUED 140 PM CST Fri Nov 28 2014/


A flattened upper ridge, or zonal flow aloft, will prevail for much
of the next 7 days.  Above normal temperatures will continue through
the rest of Thanksgiving weekend as a result with a surface trough
developing/strengthening into the forecast area Saturday and aiding
the warmup.  Westerly winds will increase somewhat to the west of
this surface trough with speeds in Guadalupe Pass rising to near 40
mph sustained Saturday afternoon.  Since the duration of these
stronger winds looks to be brief, will only make a mention in the
Hazardous Weather Outlook.

A shortwave trough translating eastward along the U.S./Canadian
border Sunday/Monday will propel a modified arctic airmass south
through the central U.S. Plains in it`s wake.  This front will
likely make it to the Big Bend region by Monday afternoon with
temperatures dropping to around 15 degrees below normal for
locations along and north of Interstate 10.  However, the parent
surface ridge will be shunted eastward rather quickly Tuesday, with
temperatures modifying to slightly below normal Tuesday afternoon,
and normal Wednesday and beyond.  Rain chances will be nil due to
dry ambient air ahead and behind the front.

A southern stream shortwave trough will head for the region late
this week as split upper upper flow over the eastern Pacific
migrates eastward onto the western ConUS.  Will keep the slight
chance of showers and thunderstorms already in the forecast on
Friday for the onset of this feature.  Temperatures will stay near
seasonal levels into next weekend as this ua trough trough passes.






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