994
FXUS64 KMAF 130821
AFDMAF
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
321 AM CDT THU JUN 13 2013
.DISCUSSION...
AN UPPER LEVEL LOW PRESSURE AREA ACROSS SOUTHERN TEXAS IS FORECAST
TO MOVE WEST TOWARD THE BIG BEND TODAY AND THEN NORTH INTO WEST
TEXAS FRIDAY AND SATURDAY. WITH THE APPROACH OF THE SYSTEM TODAY
SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE HIGHER TERRAIN OF
SOUTHWEST TEXAS AND THE LOWER TRANS PECOS CLOSEST TO THE UPPER
LOW. SOME CONVECTION MIGHT DEVELOP FURTHER NORTH INTO THE PERMIAN
BASIN AND POSSIBLY SOUTHEAST NEW MEXICO DUE TO POTENTIAL OUTFLOW
BOUNDARIES SPREADING NORTH WITH HELP FROM A 20 TO 30 KNOT EAST TO
SOUTHEAST 500 MILLIBAR FLOW. HIGH TEMPERATURES WILL BE A COUPLE
OF DEGREES COOLER TODAY DUE TO DEEP EAST TO SOUTHEASTERLY FLOW
AND LOWERING HEIGHTS.
THE BEST CHANCE FOR AREAWIDE THUNDERSTORMS (CHANCE TO LIKELY)
APPEARS TO BE FRIDAY AND FRIDAY NIGHT AS THE UPPER LOW MOVES NORTH
TOWARD THE WEST TEXAS/SOUTHEAST NEW MEXICO BORDER. NOT EXPECTING
SEVERE WEATHER DUE TO SHEAR FORECAST TO BE LESS THAN 30 KNOTS WITH
POOR LAPSE RATES AND CAPES GENERALLY BELOW 1500 J/KG. LOCALLY
HEAVY RAINFALL WILL BE POSSIBLE GIVEN FORECAST PRECIPITABLE WATER
VALUES OF 1.5 INCHES. THE BEST CHANCE OF CONVECTION WILL SHIFT
INTO THE EASTERN PERMIAN BASIN SATURDAY AS THE UPPER LOW BEGINS TO
DEPART TO THE NORTHEAST OF THE AREA. EXPECTING HIGH TEMPERATURES
FRIDAY AND SATURDAY TO BE BELOW NORMAL IN CLOUDY MOIST REGIME.
LATEST CMC AND ECMWF NOW INDICATING UPPER RIDGE WILL BE WEAKER
AND FLATTER ACROSS THE SOUTHWEST UNITED STATES SUNDAY THROUGH
TUESDAY. AT THE SAME TIME AN UPPER LEVEL TROUGH WILL BE MOVING
ACROSS THE GREAT LAKES AND WILL PUSH A COLD FRONT SOUTH INTO THE
PERMIAN BASIN. HAVE OPTED TO INCLUDE ISOLATED CONVECTION
ACROSS A LARGE AREA OF THE FORECAST AREA THESE DAYS.
UPPER RIDGE MAY FINALLY BECOME STRONGER NEXT WEDNESDAY AND
THURSDAY WITH DRY CONDITIONS AND ABOVE NORMAL TEMPERATURES.
&&
.PRELIMINARY POINT TEMPS/POPS...
ANDREWS TX 93 67 85 69 / 10 20 50 40
BIG SPRING TX 93 68 86 69 / 10 20 40 40
CARLSBAD NM 95 67 87 68 / 10 20 30 30
DRYDEN TX 91 70 85 71 / 40 50 70 40
FORT STOCKTON TX 91 68 86 69 / 20 30 60 40
GUADALUPE PASS TX 85 61 82 64 / 20 30 30 30
HOBBS NM 92 66 84 66 / 10 20 40 40
MARFA TX 85 60 79 62 / 40 40 50 40
MIDLAND INTL AIRPORT TX 92 68 84 69 / 20 30 60 40
ODESSA TX 92 67 85 70 / 20 30 60 40
WINK TX 96 70 88 71 / 20 30 50 40
&&
.MAF WATCHES/WARNINGS/ADVISORIES...
NM...NONE.
TX...NONE.
&&
$$
67/12
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