Area Forecast Discussion
Issued by NWS Midland/Odessa, TX

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FXUS64 KMAF 032005

305 PM CDT Sun May 3 2015


WV imagery shows the upper level ridge has moved to the east of West
Texas and Southeast New Mexico over the past 24 hours, leaving the
CWA under SW flow aloft.  Mesoanalysis has shown a strong cap in
place this morning/afternoon, possible hindering development of a
stronger dryline.  However, this is starting to erode W-E, w/sat
imagery showing a weak shortwave moving into far West Texas.  Area
radars show convection trying to develop west of the Pecos...but
struggling.  However, w/continued heating/destabilization and the
aforementioned shortwave, activity should pick up over the next few
hrs and last into the evening.

Monday, the upper trough makes landfall in SoCal, and height falls
begin across the desert CONUS.  Models bring a shortwave thru the
ern zones during the morning, and develop convection westward during
the day as large-scale ascent commences ahead of the trough and a
strong dryline develops against the wrn mtns.  Models, particularly
the GFS, show a cap ahead of the trough Monday, but also strong lift
in the lwr levels invof the cap.  Mid-lvl LR`s increase during the
day, especially out west, and we`ll maintain a mention of svr during
the afternoon in the grids.  Monday night, as the trough moves into
the 4 Corners area, a strong 50+kt LLJ is set to develop over the
Permian Basin, w/storms becoming a bit more organized and heading
E-NE.  Forecast PWATs remain high--near the climatological maximum
for May--and higher model QPFs have not changed much in 24 hrs,
remaining north of I-20 and mainly SE NM.  Attm, we see no reason to
change the going FFA.  Mid shift can expand if things change.  0-6km
bulk shear of 35-60kts is still forecast over the srn zones during
the evening, expanding north overnight.  Concurrent w/this, models
develop 0-3km SR helicities in excess of 150 ms/s2, and bring this
up thru the Permian Basin/Wrn Low Rolling Plains as well.  0-1km
SREH remains impressive as well, so we`ll keep a mention of isolated
tornadoes in the HWO.  Trough will continue exiting into the Central
Rockies Tuesday, w/rain chances tapering off to the

Otherwise, temps will be back to near-normal by Wednesday, and
remain fairly persistent each day into the weekend under SW flow
aloft.  Models develop a dryline each afternoon, for a chance of
convection each day ern zones.


ANDREWS TX                 60  81  61  78  /  10  40  50  20
BIG SPRING TX              67  80  65  77  /  10  30  30  20
CARLSBAD NM                59  84  58  82  /  40  40  50  10
DRYDEN TX                  66  85  68  83  /  10  30  10  10
FORT STOCKTON TX           65  84  64  85  /  10  30  20  10
GUADALUPE PASS TX          58  80  54  73  /  30  20  20  10
HOBBS NM                   58  75  59  78  /  50  50  80  10
MARFA TX                   53  81  50  76  /  30  10  10  10
MIDLAND INTL AIRPORT TX    65  79  63  78  /  10  40  30  20
ODESSA TX                  65  79  63  78  /  10  50  30  20
WINK TX                    65  82  63  85  /  30  30  50  10


NM...FLASH FLOOD WATCH from Monday evening through late Monday night
     FOR THE FOLLOWING ZONES... Central Lea County...Eddy County
     Plains...Guadalupe Mountains of Eddy County...Northern Lea
     County...Southern Lea County.

TX...FLASH FLOOD WATCH from Monday evening through Tuesday morning
     FOR THE FOLLOWING ZONES... Andrews...Gaines.




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