FXUS64 KBRO 201448
AFDBRO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
848 AM CST TUE JAN 20 2009
.DISCUSSION...A STRENGTHENING HIGH PRESSURE RIDGE WILL PRODUCE BELOW 
NORMAL TEMPERATURES ACROSS DEEP SOUTH TEXAS WEDNESDAY MORNING. 
TEMPERATURES WILL BE ABOVE NORMAL THIS AFTERNOON WITH CLEAR SKIES. 
CLEAR SKIES WILL PREVAIL ACROSS THE CWA THROUGH THURSDAY. LIGHT TO 
MODERATE NORTHERLY WINDS WILL CONTINUE ACROSS THE RIO GRANDE VALLEY 
TODAY. THE WINDS WILL BECOME EAST TO SOUTHEAST ON WEDNESDAY 
REMAINING LIGHT TO MODERATE AS THE HIGH PRESSURE RIDGE SHIFTS 
EASTWARD ACROSS THE SOUTHERN UNITED STATES. TEMPERATURES WILL WARM 
TO ABOVE NORMAL VALUES WEDNESDAY AFTERNOON. ABOVE NORMAL 
TEMPERATURES AND CLEAR SKIES WILL CONTINUE ACROSS DEEP SOUTH TEXAS 
ON THURSDAY. THE WINDS WILL BECOME MODERATE AND GUSTY THURSDAY 
AFTERNOON AS THE PRESSURE GRADIENT TIGHTENS ACROSS DEEP SOUTH TEXAS 
DUE TO THE INTERACTION OF THE HIGH PRESSURE RIDGE AND AN EASTWARD 
PROPAGATING LOW PRESSURE SYSTEM LOCATED ACROSS THE CENTRAL UNITED 
STATES. SATURDAY CLOUDINESS WILL INCREASE RESULTING IN PARTLY CLOUDY 
SKIES OVER DEEP SOUTH TEXAS IN ADVANCE OF A COLD FRONT WHICH WILL 
MOVE THROUGH THE CWA SATURDAY NIGHT INTO SUNDAY. THERE IS A SLIGHT 
CHANCE FOR SHOWERS MOVING ACROSS PORTIONS OF DEEP SOUTH TEXAS SUNDAY 
ASSOCIATED WITH THE FRONTAL BOUNDARY. THE WINDS WILL SHIFT TO THE  
NORTHEAST AND EAST SATURDAY NIGHT INTO SUNDAY IN THE WAKE OF THE 
FRONTAL BOUNDARY. HOWEVER THE WINDS WILL BECOME SOUTHERLY ON MONDAY 
WITH PARTLY CLOUDY SKIES PREVAILING ACROSS THE CWA EARLY NEXT WEEK. 
ANOTHER COLD FRONT IS FORECASTED TO MOVE THROUGH DEEP SOUTH TEXAS 
THE MIDDLE OF NEXT WEEK. THE CURRENT FORECAST PACKAGE LOOKS GOOD, 
THEREFORE NO CHANGES ARE ANTICIPATED AT THIS TIME.      
&&
.MARINE...THE LATEST OB FROM BUOY020 INDICATES A NE WIND 15G21KTS 
WITH SWELLS NEAR 3 FT. EXPECT THE MODERATE NE FLOW TO PREVAIL FOR 
THE FIRST PERIOD WITH THE PGF RELAXING SOME LATER TONIGHT INTO WED. 
THE CURRENT CWF WORDING LOOKS ON TRACK WITH NO CHANGES NEEDED AT 
THIS TIME. 
&&
.AVIATION...THIS MORNINGS BRO SOUNDING SHOWS A VERY PARCHED ATMS IN 
PLACE OVER THE REGION WITH A GENERAL N-NW FLOW PREVAIL AT MOST 
LEVELS. THIS WILL MAINTAIN VFR CONDITIONS FOR THE BULK OF THE TAF 
FORECAST PERIOD. THE CURRENT TAF PACKAGE LOOKS ON TRACK WITH NO 
MAJOR CHANGES ANTICIPATED.
&&
.BRO WATCHES/WARNINGS/ADVISORIES...NONE.
&&
$$
THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT:
HTTP://WWW.WEATHER.GOV/BROWNSVILLE
SYNOPTIC/GRIDS....65
MARINE/AVIATION...60
MESOSCALE...CAMPBELL