Area Forecast Discussion
Issued by NWS Midland/Odessa, TX

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641
FXUS64 KMAF 281915
AFDMAF

Area Forecast Discussion
National Weather Service Midland/Odessa TX
215 PM CDT THU APR 28 2016

.DISCUSSION...

WV imagery shows an upper trough digging over the Four Corners
region this afternoon. This has led to increasing SW flow aloft and
the development of a surface low over E NM. Moisture has begun to
surge back west across the area in response to height falls
associated with the upper trough. A sharpening dryline may be a
focus for a few showers and thunderstorms late this afternoon
across the eastern half of the Permian Basin. The best chance for
storms comes later tonight as the dryline retreats west and large
scale lift arrives with the upper trough. Storms are expected to
develop across the western Permian Basin where a Pacific front
will combine with the dryline and move back east across the region
overnight. Some of these storms may be severe with large hail and
damaging winds given steepening lapse rates and an increasing LLJ.

These storms move east quickly Friday morning with windy, dry
conditions filling in across the region Friday afternoon. The base
of the upper trough will graze our area similar to the system this
past Tuesday. Strong westerly winds will mix to the surface,
especially across the higher terrain and adjacent plains. Will
upgrade the High Wind Watch to a warning across the Guadalupe
Mountains. Strong winds are also possible east of the mountains so a
Winds Advisory may be issued on later shifts.

Another upper trough will drop south across Nevada and Arizona
Saturday helping to again draw moisture back west across Texas. At
the same time, a strong cold front will move south across the area
Sunday. Showers and storms are expected to increase along and behind
the front Sunday and Monday as the upper trough approaches.
Temperatures look to cool significantly behind the front due to the
widespread clouds and precip. It is possible many locations may drop
into the 50`s Sunday afternoon and stay there trough Monday! We will
continue to monitor the forecast and make changes if needed.

An upper ridge builds in behind this system, but temperatures stay
cool through midweek before rebounding to near normal late next
week.

&&

.FIRE WEATHER...

Warm and dry conditions continue to reside across the area and
with an upper trough to the west there are increasing winds too.
The warm, dry and unstable conditions are reflected in a moderate
Haines Index of 5 and the RFW continues across the Guadalupe
Mountains and southeast New Mexico. Critical fire weather concerns
will expand on Friday to reach farther south into the Davis Mtns
and east into the western PB. Temps will cool, but winds will be
stronger Friday. The Trans Pecos and southeast NM plains continue
to undergo substantial drying and are at or very near the 90th
percentile using ERC-G from TAMFS and certainly supports critical
fire weather.

&&

.PRELIMINARY POINT TEMPS/POPS...
Big Spring                     63  83  50  79 /  40  10  10   0
Carlsbad                       54  80  49  83 /  10  10   0  10
Dryden                         66  93  59  91 /  10  10  10   0
Fort Stockton                  59  84  54  86 /  10  10   0   0
Guadalupe Pass                 51  69  49  74 /  10  10   0   0
Hobbs                          50  76  46  77 /  20  10   0   0
Marfa                          44  75  39  77 /  10  10   0  10
Midland Intl Airport           62  83  53  84 /  40  10  10   0
Odessa                         62  83  55  84 /  30  10   0   0
Wink                           56  85  51  87 /  20  10   0   0

&&

.MAF Watches/Warnings/Advisories...
NM...Red Flag Warning from 11 AM to 9 PM MDT Friday for Guadalupe
     Mountains-Southeast Plains.

     High Wind Warning from 9 AM to 9 PM MDT Friday for Guadalupe
     Mountains of Eddy County.

     Red Flag Warning until 9 PM MDT this evening for Guadalupe
     Mountains-Southeast Plains.

TX...Red Flag Warning from noon CDT /11 AM MDT/ to 10 PM CDT /9 PM
     MDT/ Friday for Andrews-Crane-Davis/Apache Mountains Area-
     Ector-Gaines-Guadalupe Mountains-Loving-Marfa Plateau-Pecos-
     Reeves County and Upper Trans Pecos-Van Horn and Highway 54
     Corridor-Ward-Winkler.

     High Wind Warning from 10 AM CDT /9 AM MDT/ to 10 PM CDT /9 PM
     MDT/ Friday for Guadalupe Mountains.

     Red Flag Warning until 10 PM CDT /9 PM MDT/ this evening for
     Guadalupe Mountains.

&&

$$

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