Area Forecast Discussion
Issued by NWS Midland/Odessa, TX

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FXUS64 KMAF 200502

1102 PM CST Fri Dec 19 2014

See 06Z aviation discussion below.


Low clouds are holding to the east so far tonight, but dropping
temperatures are causing patchy light fog to form in the clear
skies farther west. Expecting light fog ahead of IFR/LIFR CIG/VIS
which should arrive within the next few hours. These conditions
may struggle to reach the Pecos River TAF sites before daytime
heating allows for improvement Saturday morning.



.PREV DISCUSSION... /ISSUED 314 PM CST Fri Dec 19 2014/

Satellite imagery shows low clouds have slowly eroded from southwest
to northeast today. This has kept afternoon temperatures on the
cool side, especially across the northern and eastern portions of
the Permian Basin where low clouds remain in place. Indications
are that fog and low clouds will again reestablish themselves
along and east of the Pecos River overnight. Thus, we have
included mention of areas of fog in the forecast for these

Overall, the entire forecast looks dry with moderate temperatures
for southeast New Mexico and southwest Texas through the period.
Surface low pressure along and east of the northern and central
portions of the Rockies will result in south to southwest surface
winds on Saturday with downslope westerly winds on Sunday and
Monday. The resulting warming trend will push high temperatures
into the upper 60s and lower 70s by Monday afternoon.

As a Northern Plains upper level storm system and associated low
pressure area slides into the Upper Midwest early Tuesday, we should
see a cool down as a cold front slides into our area Tuesday
morning.  Little or no precipitation is forecast with this system,
except perhaps over the extreme northeast portions of the Permian
Basin and Rolling Plains. However, with the progressive nature of
the northern stream, impacts from this cold front will be brief
and uneventful. A quick exit of this cooler air will bring another
warming trend to our area, with high temperatures near 70
expected on Christmas Day.






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