946 FXUS64 KMAF 130001 AFDMAF AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 701 PM CDT SUN MAY 12 2013 .DISCUSSION... && .AVIATION... VFR WITH DECREASING CLOUD COVER OVERNIGHT. WIND SPEEDS WILL DECREASE AND VEER AROUND MORE TO THE S/SW TONIGHT. && .PREV DISCUSSION... /ISSUED 257 PM CDT SUN MAY 12 2013/ DISCUSSION... PLEASANT DAY ACROSS THE FORECAST AREA... WITH AFTERNOON TEMPERATURES RANGING FROM THE UPPER 60S TO UPPER 70S. THE SPRING TEMPERATURE ROLLER COASTER WILL CONTINUE THIS WEEK. A PLEASANT... BELOW NORMAL START TO THE WORK WEEK WILL END WITH TEMPERATURES IN THE 90S TO NEAR 100 IN SOME LOCATIONS. THE BIG CONTROLLER OF THE ROLLER COASTER THIS SEASON HAS BEEN AN ACTIVE UPPER AIR PATTERN. TRANSLATING THIS TO THE SHORT TERM... A RIDGE OVER THE WEST COAST AND A TROUGH OVER THE EAST COAST... HAS NOT ALLOWED FOR MOVEMENT OF A CUTOFF LOW CURRENTLY LOCATED OVER NORTHERN MEXICO TODAY. THIS BLOCKING PATTERN WILL CONTINUE FOR THE NEXT FEW DAYS. THE CUTOFF LOW WILL EJECT NORTHEAST ACROSS THE FORECAST AREA TUESDAY. SOUTHERLY SURFACE FLOW IN RESPONSE TO THE LOW/S MOVEMENT WILL DRAW MOISTURE INTO THE FORECAST AREA...CREATING THE POTENTIAL FOR SHOWERS AND THUNDERSTORMS ACROSS MUCH OF WEST TEXAS TUESDAY INTO EARLY WEDNESDAY MORNING. BEYOND MIDWEEK... ZONAL FLOW ALOFT WILL CREATE DRY AND WARM CONDITIONS ACROSS THE AREA. && .MAF WATCHES/WARNINGS/ADVISORIES... NM...NONE. TX...NONE. && $$