112  
FXUS64 KMAF 210502  
AFDMAF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX  
1202 AM CDT FRI JUL 21 2017  
   
DISCUSSION
 
 
SEE 06Z AVIATION DISCUSSION BELOW.  
 

 
   
AVIATION
 
 
PERSISTENCE RULES. VFR CONDITIONS WILL PREVAIL NEXT 24 HOURS UNDER  
THE RIDGE IN RETURN FLOW. A WIDESPREAD CU FIELD IS ANTICIPATED BY  
LATE MORNING, W/BASES ~ 5 KFT AGL. MOST CONVECTION WILL BE  
CONFINED TO THE HIGHER TERRAIN WEST OF THE TERMINALS.  
 

 
   
PREV DISCUSSION
 
/ISSUED 612 PM CDT THU JUL 20 2017/  
 
DISCUSSION...  
 
AVIATION...  
 
VFR CONDITIONS WILL PERSIST FOR THE REST OF THE DAY AND TOMORROW,  
AND WINDS WILL BEGIN TO DROP OFF AFTER SUNSET. THEY WILL CONTINUE  
TO BE OUT OF THE SSE AND ARE EXPECTED TO PICK BACK UP AFTER NOON  
TOMORROW.  
 
PREV DISCUSSION... /ISSUED 221 PM CDT THU JUL 20 2017/  
 
DISCUSSION...  
 
PERSISTENCE CONTINUES TO RULE TODAY, AS DIURNALLY DRIVEN  
THUNDERSTORMS HAVE ALREADY BEGUN TO DEVELOP ACROSS HIGHER  
ELEVATIONS FROM THE DAVIS MOUNTAINS NORTH TO THE GUADALUPE  
MOUNTAINS. ISOLATED TO SCATTERED STORMS WILL CONTINUE INTO THIS  
EVENING, MAINLY ACROSS THE HIGHER TERRAIN AND THE ADJACENT PLAINS.  
SIMILAR TO THE PAST FEW DAYS, SEVERE WEATHER IS NOT ANTICIPATED,  
HOWEVER, LOCALLY HEAVY RAINFALL, GUSTY WINDS, AND LIGHTNING WILL  
BE POSSIBLE WITH ANY STORM THAT DEVELOPS. THE LOCALLY HEAVY  
RAINFALL COULD LEAD TO FLOODING CONCERNS, PARTICULARLY FOR  
LOCATIONS THAT HAVE RECEIVED APPRECIABLE RAINFALL OVER THE PAST  
SEVERAL DAYS. FRIDAY WILL BE SIMILAR TO TODAY, WITH HIGHS A FEW  
DEGREES ABOVE NORMAL, AND ISOLATED TO SCATTERED STORMS MAINLY  
ALONG AND WEST OF THE PECOS RIVER. EASTERLY FLOW ALOFT WILL  
CONTINUE INTO THIS WEEKEND AS THE UPPER HIGH SHIFTS EASTWARD, AND  
WHILE 850MB TEMPERATURES WILL INCREASE, HEIGHTS WILL FALL IN  
RESPONSE TO A DISTURBANCE THAT WILL PROGRESS WESTWARD ACROSS  
TEXAS. THUS, TEMPERATURES WILL REMAIN NEAR TO JUST ABOVE NORMAL,  
WITH RAIN CHANCES EXPANDING EASTWARD FROM THE HIGHER TERRAIN  
ACROSS THE TRANS PECOS AND PERMIAN BASIN. ISOLATED TO SCATTERED  
STORMS LOOK TO BE POSSIBLE FOR MOST OF THE AREA BOTH SATURDAY AND  
SUNDAY.  
 
AN UPPER LOW DROPPING OUT OF CANADA THROUGH THE GREAT LAKES LATE  
IN THE WEEKEND WILL AMPLIFY THE PATTERN, WITH RIDGING  
REASSERTING ITSELF ACROSS THE WESTERN CONUS EARLY NEXT WEEK. THE  
RIDGE WILL THEN BUILD EASTWARD OVER THE REGION, WHICH WILL YIELD  
CONTINUED NEAR NORMAL TO JUST ABOVE NORMAL TEMPERATURES NEXT WEEK,  
AND STORM CHANCES ONCE AGAIN SHIFTING WEST TO THE HIGHER TERRAIN.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BIG SPRING 96 75 97 75 / 0 0 0 0  
CARLSBAD 95 72 97 73 / 20 10 20 10  
DRYDEN 95 76 99 76 / 10 10 10 10  
FORT STOCKTON 94 74 95 73 / 10 0 20 10  
GUADALUPE PASS 85 68 86 67 / 30 10 30 20  
HOBBS 93 70 95 70 / 10 0 10 10  
MARFA 86 63 86 64 / 30 20 40 30  
MIDLAND INTL AIRPORT 96 74 97 75 / 0 0 10 0  
ODESSA 96 74 97 75 / 0 0 10 10  
WINK 97 74 99 75 / 10 0 10 10  
 

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

 
 

 
 
44/80/44  
 
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