FXUS64 KBRO 050223
AFDBRO
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
823 PM CST THU DEC 4 2008
.UPDATE...11-3.9 MICRON SATELITTE LOOP SHOWS LOW CLOUDS ADVANCING
WEST TO EAST FROM THE GULF WHILE IR SAT SHOWS CIRRUS CLOUDS
MOVING IN FROM THE WEST. HAVE INCREASED THE CLOUD COVER FOR THE
EVENING AND OVERNIGHT PERIOD TO REFLECT THIS TREND. TOUGH CALL
TONIGHT WILL BE THE LOW TEMPERATURES. WITH THE CLOUDS INCREASING
AHEAD OF SCHEDULE MINIMUMS MIGHT NOT BE REACHED AS THE CLOUDS WILL
REDUCE THE RADITIONAL AFFECT. HOWEVER...TEMPS HAVE BEEN COOLING RAPIDLY
SINCE SUNSET ESPECIALLY EASTERN AREAS. WITH CONFIDENCE LOW WILL
LET CURRENT FORECAST RIDE...ANY AFFECT WOULD BE FOR TEMPERATURES
TO RISE OR REMAIN STEADY OVERNIGHT. CLOUDS WILL THICKEN AND LOWER
BY FRIDAY MORNING AND REMAIN LOW MUCH OF THE DAY. WINDS INCREASE
EASTERN THIRD AND OVER THE COASTAL WATERS AS A WEAK COASTAL TROUGH
DEVELOPS AS AN UPPER TROUGH MOVES INTO WESTERN TEXAS. WIND GRIDS
WERE ADJUSTED TO ACCOMODATE THIS TREND. A COOL TO COLD DAY CAN BE
EXPECTED ON FRIDAY AS THE LOW CLOUDS...MODERATE NORTHEAST WINDS
AND THE COOL AIRMASS ALREADY IN PLACE COMBINE TO MAINTAIN A NARROW
TEMPERATURE RANGE THROUGH THE DAY. EXPECT ONLY ABOUT A 5 TO 8 DEGREE
RANGE FROM THE MORNING LOWS TO AFTERNOON HIGHS. THE OVERRUNNING IS
FORECAST TO GRADUALLY END BY SATURDAY MORNING WITH THE WEEKEND END
SEEING A WARMING TREND WITH MOSTLY CLEAR SKIES
&&
.AVIATION...VFR CONDITIONS WITH LIGHT NORTH TO NORTHEAST WINDS AND
CLEAR TO PARTLY CLOUDY SKIES ARE BEING REPORTED AT THE REGIONAL
AIRPORTS. WINDS WILL BECOME LIGHT OVERNIGHT THEN BECOME LIGHT TO
MODERATE FROM THE NORTH ON FRIDAY. CLOUDINESS WILL INCREAS THIS
EVENING AND PERSIST INTO FRIDAY REDUCING CEILINGS TO MVFR AND
POSSIBLY AS LOW AS IFR. VFR TO MVFR CONDITIONS WILL PREVAIL OVER
THE REGIONAL AIRPORTS DURING THE NEXT 24 HOURS.
&&
.MARINE...AT 6 PM BUOY 20 REPORTED NORTH WINDS AT 18 KNOTS WITH
GUSTS TO 21 KNOTS AND SEAS AT 6 FEET WITH A 7 SECOND PERIOD. THE
WINDS AND SEAS WILL CONTINUE TO SLOWLY SUBSIDE OVER THE MARINE AREAS
TONIGHT. LIGHT TO MODERATE NORTHERLY WINDS WILL PREVAIL OVER THE
MARINE AREAS FRIDAY AND SATURDAY. THE WINDS WILL BECOME EASTERLY ON
SUNDAY THEN SOUTHERLY MONDAY AND TUESDAY REMAINING LIGHT TO
MODERATE. A COLD FRONT WILL MOVE THROUGH THE COASTAL WATERS TUESDAY
SHIFTING THE WINDS TO THE NORTH. SMALL CRAFT ADVISORIES ARE LIKELY
ON TUESDAY DUE TO AN INCREASE IN THE WINDS AND SEAS.
&&
.PREV DISCUSSION... /ISSUED 1248 PM CST THU DEC 4 2008/
DISCUSSION...
WINDS CONTINUE TO RACE THROUGH THE REGION AS YESTERDAYS COLD FRONT
MOVES FURTHER SOUTHEAST. WINDS WILL CONTINUE TO DECREASE AS THE
CENTER OF HIGH PRESSURE MOVES CLOSER TO THE REGION. THIS WILL SET
UP OVERRUNNING AS EAST SFC WINDS INTERACT WITH WESTERLY WINDS
ALOFT. WHILE RAIN CHANCES WILL BE MINIMAL DUE TO LACK OF DEEP
MOISTURE...DEEP OVERCAST SKIES WILL OCCUR FOR MOST OF TOMORROW AND
TOMORROW NIGHT. THIS WILL KEEP TEMPERATURES AROUND 10 DEGREES
BELOW NORMAL. CONDITIONS WILL IMPROVE OVER THE WEEKEND AS WINDS
SHIFT TO THE SOUTHEAST AND WINDS ALOFT DECREASE. THE NEXT COLD
FRONT IS EXPECTED ON TUESDAY...AND IS EXPECTED TO HAVE STRONG
NORTHWEST WINDS...AND BRING A CONTINUED THREAT FOR COOLER
AIR...ESPECIALLY AT NIGHT.
&&
.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL 49 57 49 71 / 10 20 20 10
BROWNSVILLE 46 59 50 72 / 10 20 20 10
HARLINGEN 44 56 48 72 / 10 10 20 10
MCALLEN 45 56 48 70 / 10 10 20 10
RIO GRANDE CITY 42 55 46 71 / 10 10 20 10
SOUTH PADRE ISLAND 49 60 52 72 / 10 20 20 10
&&
.BRO WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.
&&
$$
THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT:
HTTP://WWW.WEATHER.GOV/BROWNSVILLE
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