FXUS64 KBRO 100110 CCA
AFDBRO

DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
810 PM CDT FRI MAY 9 2003

AFTN VSBL SAT IMAGERY DEPICT SMOKE LAYER ACRS BAY OF CAMPECHE AND W 
GULF CONT TO BE ADVECTED NORTH BY LOW LEVEL SE FLOW AROUND BACK SIDE 
OF H8 RIDGE CENTERED FROM FL EAST INTO THE ATLANTIC. THIS FLOW WILL 
BACK TO EASTERLY AND EASE OFF OVR DPSOTEX AND NE MEX ON MON WITH 
APRCH OF COOL FRONT. IMPACT OF SMOKE ON VSBY MAY DIMINISH OVR E CWA 
BUT IMPACT W CWA AS POLLUTANT IS POOLED ALONG THE LEE SIDE OF THE 
SIERRA MADRE ORIENTAL AND FORCED NORTHWARD ON MON. BY TUE...LLJ 
VEERS TO SLY AS FRONTAL BNDRY RETREATS. LOW CLOUDS HAVE FORMED ALONG 
THE COAST AND ARE BEING ADVECTED INLAND. ASOS SITES IN CAMERON 
COUNTY REPORTED MVFR CIG BY 6PM. WINDS HAVE ALSO DROPPED INTO BREEZY 
CAT THIS EARLY EVE AND WILL EASE INTO MODERATE CAT BY MIDNIGHTG... 
AS BNDRY LYR WINDS DECOUPLE FROM 30KT LLJ. WILL FRESHEN UP FIRST 
PD...BUT NO OTHER SIG CHANGES ANTICIPATED AT EVE UPDATE TIME.

MARINE...AT 6 PM BUOY020 REPORTED SE WINDS AT 17KT W/GUSTS TO 23KT 
AND 7FT SEAS AT 8 SEC. H5 LOW OVER UT WILL MOVE EAST TO CO BY EARLY 
SAT WITH SFC TROUGH DROPPING OFF THE SRN HIGH PLAINS INTO SRN PLAINS 
BY 12Z SAT...SO SPG WILL MAINTAIN SCA LEVEL WINDS WITH SEAS NEAR 7FT 
OFFSHORE TONIGHT. AT UPDATE WILL GO WITH SCEC FOR THE BAY TONIGHT. 
REST OF PACKAGE LOOKS OK.

AVIATION...MVFR CIGS HAVE DEVELOPED THIS EARLY EVE OVER E CWA AND 
WILL SPREAD W THIS EVENING. WINDS HAVE DROPPED TO MDT AFTER MIDNIGHT 
WITH SMOKE RESTRICTING VSBY TO NEAR 5 MI. MVFR CIGS WILL BREAK OUT 
SAT AM AS WINDS INCR TO STRONG BY MID DAY AS NEXT SFC LOW DROPS INTO 
SRN PLAINS TO KEEP SPG TIGHT.
    

.BRO...SCA GMZ150-155-170-175.  

SYNOPTIC-MARINE-AVIATION...59
MESO...VEGA

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