662  
FXUS64 KMAF 191717  
AFDMAF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX  
1217 PM CDT TUE SEP 19 2017  
 
   
AVIATION
 
 
18Z TAF ISSUANCE...  
 
NO MAJOR AVIATION CONCERNS THE NEXT 24 HOURS, VFR CONDITIONS  
EXPECTED TO PERSIST AT ALL TERMINALS. A FEW THUNDERSTORMS MAY  
DEVELOP LATER THIS AFTERNOON BUT CONFIDENCE IS LOW ATTM. WILL  
CONTINUE TEMPO AT FST FOR NOW AND AMEND LATER IF NEEDED.  
 

 
 
PREV DISCUSSION... /ISSUED 433 AM CDT TUE SEP 19 2017/  
 
DISCUSSION...  
 
AN UPPER TROUGH IS OVER THE PACIFIC NORTHWEST WITH ZONAL FLOW OVER  
THE CWA. A FEW STORMS ARE CURRENTLY ACROSS PORTIONS OF THE AREA. A  
DRYLINE IS EXPECTED TO DEVELOP ACROSS EASTERN PORTIONS OF THE AREA  
THIS AFTERNOON WITH THUNDERSTORMS POSSIBLE. A FEW OF THESE STORMS  
MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. TEMPERATURES  
ARE EXPECTED TO BE SIMILAR TO YESTERDAY WITH HIGHS ABOUT 10  
DEGREES ABOVE NORMAL.  
 
STORM CHANCES APPEAR TO BE MOSTLY CONFINED TO THE DAVIS MOUNTAINS  
SOUTHWARD TO THE RIO GRANDE ON WEDNESDAY. THE UPPER TROUGH OVER  
THE NORTHWEST PART OF THE COUNTRY DIGS FURTHER SOUTH ON THURSDAY.  
AN ABUNDANT SUPPLY OF MOISTURE WILL BE ACROSS THE AREA WITH A  
SLIGHT CHANCE OF THUNDERSTORMS. THE UPPER TROUGH MOVES FURTHER  
EAST ON FRIDAY PROVIDING AN INCREASE IN UPPER LIFT. THUNDERSTORM  
CHANCES WILL MOSTLY BE ACROSS THE WESTERN CWA. TEMPERATURES WILL  
START TRENDING DOWNWARD WITH THE FALLING HEIGHTS FROM THE UPPER  
TROUGH. THE UPPER LIFT INCREASES ON SATURDAY AS THE UPPER TROUGH  
GETS CLOSER SO STORM CHANCES INCREASE ACROSS THE WESTERN CWA. THIS  
SAME TREND WILL CONTINUE INTO SUNDAY WITH TEMPERATURES NEAR NORMAL  
AND STORMS POSSIBLE. STORM CHANCES INCREASE ACROSS EASTERN  
PORTIONS OF THE AREA ON MONDAY WITH THE UPPER TROUGH EVEN CLOSER  
THAN BEFORE AND ABUNDANT MOISTURE REMAINING ACROSS THE AREA. THIS  
SAME TREND CONTINUES INTO TUESDAY. SEVERE THUNDERSTORMS WILL BE  
POSSIBLE AS THIS UPPER TROUGH APPROACHES WITH CHANCES INCREASING  
THIS WEEKEND.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BIG SPRING 95 70 97 72 / 30 20 10 20  
CARLSBAD 97 66 96 66 / 20 10 10 10  
DRYDEN 98 73 97 74 / 30 20 30 20  
FORT STOCKTON 96 71 96 71 / 30 20 20 20  
GUADALUPE PASS 90 64 86 65 / 20 10 10 10  
HOBBS 93 64 92 64 / 30 10 10 0  
MARFA 88 60 88 59 / 30 20 20 20  
MIDLAND INTL AIRPORT 96 71 97 72 / 30 20 10 10  
ODESSA 96 71 97 72 / 30 20 10 10  
WINK 98 69 97 71 / 30 20 10 10  
 

 
   
MAF WATCHES/WARNINGS/ADVISORIES
 
 
NM...NONE.  
TX...NONE.  

 
 

 
 
27/49/  
 
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