Special Weather Statement, NWS Midland/Odessa, TX

Area Forecast Discussion
National Weather Service Midland/Odessa TX
629 PM CDT WED MAY 18 2016

.DISCUSSION...

See the 00z aviation discussion below.

&&

.AVIATION...

Low ceilings are expected to lower even more to IFR conditions
overnight and will begin to improve around 18z Thursday. Chances
of showers and thunderstorms are expected to increase from 00z to
around 12z across the area. Winds will stay light generally out of
the northeast to east then transition to the southeast tomorrow
afternoon.

&&

.PREV DISCUSSION... /issued 215 PM CDT WED MAY 18 2016/

DISCUSSION...
Looks like unsettled weather will continue especially for west
Texas through Thursday as an upper level low pressure system
slowly makes its way eastward toward the region from the southern
Rockies. Ahead of this system diffluence and significant and
persistent large scale lift associated with the upper jet and
upper low is expected across the region. This upper low will have
plentiful and persistent moisture to work with tonight and early
Thursday due to a stalled 850 millibar low and stationary front
along the Big Bend. Have issued a Flash Flood Watch for the
eastern Permian Basin and lower Trans Pecos Region and portions of
the Big Bend tonight through early Thursday afternoon. These areas
have been hit hardest by earlier rainfall and guidance is
indicating that these areas will be most vulnerable to additional
heavy rainfall of 2 to 3 inches with locally higher amounts.
Further west across the remainder of west Texas and southeast New
Mexico, rainfall is expected to be lighter but there will still
be a chance to likely pops for showers and thunderstorms overnight
and Thursday morning.

The upper low will exit the forecast area late Thursday and be
replaced by southwesterly flow aloft associated with the next
couple of Pacific systems this weekend and into the middle of
next week. A persistent dryline is expected to form in this flow
with thunderstorms possible ahead of the dryline across mainly
portions of the Permian Basin each afternoon and evening through
the weekend and into next week. Temperatures will warm to near
normal values by Friday through the rest of the forecast.

&&

.PRELIMINARY POINT TEMPS/POPS...
Big Spring                     53  68  55  82 /  70  60  10  10
Carlsbad                       50  73  53  88 /  30  20  10   0
Dryden                         61  76  61  85 /  90  50  20  10
Fort Stockton                  55  72  57  87 /  70  40  10   0
Guadalupe Pass                 46  69  54  81 /  30  20  10   0
Hobbs                          49  68  52  82 /  40  30  10   0
Marfa                          48  72  46  81 /  60  30  10  10
Midland Intl Airport           53  70  56  85 /  70  50  10  10
Odessa                         53  71  57  85 /  70  50  10   0
Wink                           51  74  54  88 /  60  30  10   0

&&

.MAF Watches/Warnings/Advisories...
NM...None.
TX...Flash Flood Watch through Thursday afternoon for Big Bend Area-
     Crane-Glasscock-Pecos-Reagan-Terrell-Upton.

&&

99/99/

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
201 PM CDT WED MAY 18 2016

NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075-
079>082-258-191915-
GUADALUPE MOUNTAINS OF EDDY COUNTY-EDDY COUNTY PLAINS-
NORTHERN LEA COUNTY-CENTRAL LEA COUNTY-SOUTHERN LEA COUNTY-GAINES-
DAWSON-BORDEN-SCURRY-ANDREWS-MARTIN-HOWARD-MITCHELL-
VAN HORN AND HIGHWAY 54 CORRIDOR-REEVES COUNTY AND UPPER TRANS PECOS-
LOVING-WINKLER-ECTOR-MIDLAND-GLASSCOCK-WARD-CRANE-UPTON-REAGAN-
DAVIS/APACHE MOUNTAINS AREA-PECOS-PRESIDIO VALLEY-MARFA PLATEAU-
BIG BEND AREA-TERRELL-GUADALUPE MOUNTAINS-
201 PM CDT WED MAY 18 2016 /101 PM MDT WED MAY 18 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST NEW
MEXICO...SOUTHWEST TEXAS AND WESTERN TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED THIS
AFTERNOON...BECOMING MORE WIDESPREAD OVERNIGHT TONIGHT. SOME
STORMS COULD BECOME STRONG...PARTICULARLY ACROSS THE BIG BEND AREA
AND LOWER TRANS PECOS...CAPABLE OF PRODUCING GUSTY WIND AND HAIL.
THE MAIN THREAT THROUGH TONIGHT IS HEAVY RAINFALL...WHICH COULD
RESULT IN FLASH FLOODING ACROSS THE SOUTHEAST PERMIAN
BASIN...LOWER TRANS PECOS...AND BIG BEND AREA. A FLASH FLOOD WATCH
IS IN EFFECT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE WILL BE A CHANCE FOR THUNDERSTORMS THURSDAY AND THURSDAY
NIGHT. BRIEF HEAVY RAINFALL AND LIGHTNING WILL BE THE MAIN
THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
MIDLAND CAN BE FOUND ON THE INTERNET AT /LOWER CASE/
HTTP://WEATHER.GOV/MIDLAND

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
920 PM CDT WED MAY 18 2016

TXZ079-080-190315-
MARFA PLATEAU TX-PRESIDIO VALLEY TX-
920 PM CDT WED MAY 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL PRESIDIO COUNTY UNTIL
1015 PM CDT...

AT 920 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
ADOBES...OR 19 MILES NORTHWEST OF PRESIDIO...MOVING EAST AT 35 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SHAFTER...ADOBES...CHINATI MOUNTAINS AND CASA PIEDRA.

LAT...LON 3014 10411 2973 10394 2970 10454 2974 10456
      2974 10455 2975 10457 2977 10457 2980 10459
      2981 10459 2983 10462 2984 10461 2984 10462
      2987 10463
TIME...MOT...LOC 0220Z 264DEG 29KT 2978 10458

67

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