Area Forecast Discussion
Issued by NWS Brownsville, TX

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FXUS64 KBRO 240927
AFDBRO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
427 AM CDT SUN MAY 24 2015

.SHORT TERM /NOW THROUGH MONDAY/...ONGOING CONVECTION CONTINUES TO
AFFECT THE EASTERN PORTIONS OF DEEP SOUTH TEXAS THIS MORNING.
LATEST BRO RADAR SHOWS THE HEAVIEST ACTIVITY ACROSS CAMERON
COUNTY...SOUTHERN PORTIONS OF THE LAGUNA MADRE AND INTO THE GULF
WATERS WITH LIGHT TO MODERATE RAIN EXTENDING BACK TO STARR COUNTY.
RECENT SATELLITE IMAGERY SHOWS VERY COLD CLOUD TOPS OVER JUST
SOUTHWEST OF CAMERON COUNTY WITH ADDITIONAL DEVELOPMENT ACROSS
NORTHERN TAMAULIPAS. RADAR SUGGESTS THAT BETWEEN 2 TO 3 INCHES HAS
FALLEN OVER THE CITY OF BROWNSVILLE IN THE PAST COUPLE OF HOURS.
WILL MAINTAIN THE FLASH FLOOD WATCH FOR ALL OF DEEP SOUTH TEXAS
THROUGH NOON TODAY. A FEW STRONG THUNDERSTORMS ARE STILL POSSIBLE
THIS MORNING BUT SEVERE WEATHER IS NO LONGER ANTICIPATED. THE
SEVERE THUNDERSTORM WATCH PREVIOUSLY IN EFFECT UNTIL 4 AM HAS
BEEN ALLOWED TO EXPIRE. THE STORM PREDICTION CENTER HAS ALL OF
DEEP SOUTH TEXAS IN A GENERAL THUNDERSTORM RISK THROUGH 7 AM AND
ALL OF DEEP SOUTH TEXAS IN SLIGHT RISK FOR TODAY AND TONIGHT. THE
MAIN FORECAST FOR LATER TODAY WILL BE RAIN CHANCES AFTER THIS
CONVECTION MOVES EAST THIS MORNING. MOSTLY CLOUDY SKIES WITH
STABLE ATMOSPHERE...DUE TO THE OVERNIGHT CONVECTION...SHOULD KEEP
RAIN CHANCES LIMITED FOR THIS AFTERNOON.

.LONG TERM...ANOTHER UPPER LEVEL DISTURBANCE WILL PROVIDE ANOTHER
OPPORTUNITY OF CONVECTION MONDAY NIGHT INTO TUESDAY. THE 500 MB
FLOW BECOMES ZONAL BY MID WEEK BEFORE ANOTHER TROUGH APPROACHES
FROM THE WEST BY LATE WEEK. WILL MAINTAIN SLIGHT CHANCE TO CHANCE
POPS LATE IN THE FORECAST PERIOD. HIGH TEMPERATURES WILL GENERALLY
BE IN THE MID 80S NEAR THE COAST TO THE LOW TO MID 90S ACROSS THE
WEST EACH DAY. OVERNIGHT LOW TEMPERATURES EACH NIGHT WILL BE IN
THE 70S.

&&

.MARINE...NOW THROUGH MEMORIAL DAY...BUOY 42020 REPORTED SOUTH
WINDS AROUND 15 KNOTS GUSTING TO AROUND 19 KNOTS WITH SEAS
SLIGHTLY OVER 5 FEET WITH A PERIOD OF 7 SECONDS AT 03 CDT/09 UTC.
BROAD HIGH PRESSURE OVER THE GULF OF MEXICO WILL CONTINUE TO
INTERACT WITH LOW PRESSURE OVER THE CENTRAL PLAINS RESULTING IN
MODERATE TO STRONG WINDS AND BUILDING THROUGH THE PERIOD. SMALL
CRAFT ADVISORY WINDS AND SEAS EXPECTED ALONG FOR THE LOWER TEXAS
COAST THROUGH AT LEAST MONDAY.

MONDAY NIGHT THROUGH FRIDAY...A TIGHT PRESSURE SHOULD KEEP THE BAY
AND GULF CONDITIONS CLOSE TO EXERCISE CAUTION OR SMALL CRAFT
ADVISORY LEVELS MONDAY NIGHT. MARINE CONDITIONS IMPROVE TUESDAY
AS THE PRESSURE GRADIENT WEAKENS RESULTING IN MODERATE WINDS AND
LOWER SEAS.

&&

.BRO WATCHES/WARNINGS/ADVISORIES...
TX...FLASH FLOOD WATCH UNTIL NOON CDT TODAY FOR TXZ248>257.

     HIGH RIP CURRENT RISK THROUGH MONDAY EVENING FOR TXZ251-256-257.

GM...SMALL CRAFT ADVISORY UNTIL 1 PM CDT THIS AFTERNOON FOR GMZ150-
     155-170-175.

&&

$$

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