Area Forecast Discussion
Issued by NWS Midland/Odessa, TX

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777
FXUS64 KMAF 250541
AFDMAF

Area Forecast Discussion
National Weather Service Midland/Odessa TX
1241 AM CDT Wed Apr 25 2018

.DISCUSSION...
See aviation discussion below.

&&

.AVIATION...
MVFR ceilings are expected to develop behind a strong cold front
at all the terminals overnight with Fort Stockton expected to be
the latest at 25/12z. Winds will increase and become north to
northeast at 25 to 35 mph and gusty overnight and through mid
Wednesday morning. Winds will slowly diminish late Wednesday
morning through the afternoon. VFR conditions are expected to
return by mid to late Wednesday afternoon. There is chance for
showers and thunderstorms at the west Texas terminals but
confidence was not high enough to include at this time. Will
continue to monitor.

12


&&

.PREV DISCUSSION... /issued 743 PM CDT Tue Apr 24 2018/

DISCUSSION...

AVIATION...
VFR conditions are currently present over all of the TAF sites with light
winds out of the south. Expect a cold front to move through around
03z for KHOB and KCNM and later for other sites. Winds will shift
to the north, and low clouds with MVFR conditions are expected behind the front.
Have not included them in the TAFs, but chances for storms will increase
behind the front with MAF and INK having the greatest chance.
Ceilings will improve by 18z and winds will drop off closer to
sundown.

PREV DISCUSSION... /issued 316 PM CDT Tue Apr 24 2018/

DISCUSSION...As of 2:45 PM CDT Tuesday...It looks like we will
get four...four letter words weather for the next several days.
We will get some "rain"..."cool" temps..."wind"...and maybe some
"dust" to go along with the wind.

Early this evening we can get some convection firing up along a
weak moisture gradient in the Eastern PB/Low Rolling Plains per
the hi-res HRRR and RAP13. KMAF radar is also showing a few echoes
over the southern mountains. There is the possibility of
strong/severe storms in the northeast CWA...model soundings for
Snyder indc a pretty pronounced inverted V sounding indicating the
possibility of strong/severe winds with any convection. A
shortwave moving thru the Plains will send a strong cold front
thru the CWA tonight. Models are indc strong Gap winds thru GDP
tonight/Wed morning. MOS Guidance usually over forecasts the winds
so knocked them down a bit. Have also issued a Wind Advisory for
the SE New Mexico Plains for the same time period...but it looks
like a marginal event. Regardless...pilots should avoid flying
over the Guadalupe Mountains tonight and Wednesday morning due to
extreme hazardous flying conditions.

Wednesday will be significantly cooler with temps 20-25 degrees
below normal. There is a chance of showers with a slight chc of
thunder tomorrow...best chances in the east. Drier and warmer
weather is in store for the area on Thursday.

For the extended tended to broadbrush the forecast with slight chc
pops Friday into early next week..with temps a little cooler than
normal...warming to a little above normal early next week. The GFS
is wetter with a deeper and faster trof moving thru the Western
US...with a deep southerly flow over the Southern Plains
early/middle portions of next week. The ECMWF is a little slower.
Depending how deep the trof is we might be able to get some low
level return flow from the Gulf the middle of next week...but
that`s a long way off.

Strobin

&&

.PRELIMINARY POINT TEMPS/POPS...
Big Spring                     57  43  78  51 /  50  10   0  10
Carlsbad                       63  46  85  52 /  20  10  10  10
Dryden                         70  49  80  60 /  40  10   0  10
Fort Stockton                  60  46  84  54 /  50  10  10  10
Guadalupe Pass                 55  47  75  48 /  10   0   0  10
Hobbs                          60  44  79  48 /  30  10  10  10
Marfa                          59  43  80  49 /  30  10   0  20
Midland Intl Airport           58  44  79  52 /  50  10   0  10
Odessa                         58  44  79  52 /  40  10   0  10
Wink                           60  46  82  54 /  40  10  10  20

&&

.MAF WATCHES/WARNINGS/ADVISORIES...
NM...Wind Advisory until noon MDT Wednesday for Central Lea County-
     Eddy County Plains-Guadalupe Mountains of Eddy County-
     Northern Lea County-Southern Lea County.

TX...High Wind Warning until noon MDT Wednesday for Guadalupe
     Mountains.

&&

$$

99/99/04



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