863 FXUS64 KMAF 131740 AFDMAF AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 1240 PM CDT MON MAY 13 2013 .DISCUSSION... PLEASE SEE THE 13/18Z AVIATION DISCUSSION BELOW. && .AVIATION... SIG WX NIL ACROSS AREA TERMINALS THROUGH 14/18Z. WE HAVE HIGH CONFIDENCE THAT ANY CONVECTION THAT MANAGES TO DEVELOP OVER THE BIG BEND WILL REMAIN SOUTH OF KPEQ, KMAF, AND KFST. WINDS WILL REMAIN OUT OF THE SOUTH TO SOUTHEAST AT 10 TO 15 KTS THIS AFTERNOON. WINDS ARE EXPECTED TO DIMINISH OVERNIGHT, BUT MAY PICK UP AROUND MID MORNING TUESDAY AS WE MIX DOWN A DIMINISHING LOW LEVEL JET. CHANCES FOR CONVECTION AT AREA TERMINALS LOOK MARGINALLY BETTER JUST BEYOND THIS TAF CYCLE. && .PREV DISCUSSION... /ISSUED 555 AM CDT MON MAY 13 2013/ DISCUSSION... SEE AVIATION DISCUSSION BELOW. AVIATION... VFR CONDITIONS ARE EXPECTED AT THE TERMINALS THE NEXT 24 HOURS. SOUTH TO SOUTHEAST WINDS OF LESS THAN 10 MPH WILL INCREASE TO 10 TO 15 MPH AND GUSTY BY MID MORNING AND CONTINUE THIS AFTERNOON THROUGH EARLY EVENING. A FEW TO SCATTERED HIGH BASED CUMULUS CLOUDS ARE EXPECTED THIS AFTERNOON. 12 PREV DISCUSSION... /ISSUED 337 AM CDT MON MAY 13 2013/ DISCUSSION... DRY AND WARMER TODAY EXCEPT IN THE BIG BEND WHERE AN UPPER LEVEL LOW OVER NORTHERN MEXICO WILL CAUSE ISOLATED SHOWERS AND THUNDERSTORMS TO DEVELOP THIS AFTERNOON AND EVENING. TOMORROW THE UPPER LOW WILL MOVE NORTHEAST ACROSS WEST TEXAS SPREADING THE CONVECTION INTO THE TRANS PECOS AND PERMIAN BASIN...UNFORTUNATELY LIMITED MOISTURE MEANS RAINFALL AMOUNTS WILL BE MODEST. THURSDAY BEGINS A PERIOD OF ZONAL UPPER LEVEL FLOW AND ABOVE NORMAL TEMPERATURES THAT WILL CONTINUE INTO THE WEEKEND. A DRY AIRMASS AND 850MB TEMPERATURES IN THE UPPER 20S TO NEAR 30C WILL ALLOW HIGHS TO MOVE INTO THE MID TO UPPER 90S AREAWIDE WITH TRIPLE DIGITS IN THE TRANS PECOS AND RIO GRANDE VALLEYS. CANNOT RULE OUT HIGHS EXCEEDING 100 IN THE PERMIAN BASIN THOUGH WILL NOT BE SO AGGRESSIVE DUE TO ONLY MODEST WESTERLY DOWNSLOPING FLOW. HENNIG && .MAF WATCHES/WARNINGS/ADVISORIES... NM...NONE. TX...NONE. && $$ 70