413
FXUS64 KBRO 210532 AAA
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1232 AM CDT TUE APR 21 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 1229 AM CDT TUE APR 21 2026
KEY MESSAGES:
* LINGERING SPRINKLES/SHOWERS THROUGH TUESDAY MORNING.
* MAINLY DRY WEDNESDAY THROUGH EARLY NEXT WEEK WITH WARMING
TEMPERATURES.
* A HIGH RISK FOR RIP CURRENTS REMAINS IN EFFECT TILL TUESDAY
MORNING.
* MOSTLY ADVERSE (SMALL CRAFT EXERCISE CAUTION) MARINE CONDITIONS
TO CONTINUE THROUGH FRIDAY.
DISCUSSION
ISSUED AT 933 PM CDT MON APR 20 2026
LATEST GOES-19 VISIBLE SATELLITE AND RADAR IMAGERY DEPICTED A BKN-
OVC DECK OF LOW LEVEL STRATUS AND STRATOCUMULUS CLOUDS OVERHEAD. A
FEW SPRINKLES WERE AROUND, BUT THE MAIN RAIN SHOWER ACTIVITY REMAINS
OFFSHORE. THIS ACTIVITY IS ASSOCIATED WITH A COASTAL TROUGH OVERHEAD
THAT HAS BEEN MEANDERING OVER THE REGION OVER THE PAST COUPLE OF
DAYS. THROUGH TUESDAY MORNING, EXPECT FOR ANY LINGERING SHOWERS TO
COME TO AN END AS THE COASTAL TROUGH DEPARTS TO OUR NORTH. EXTENSIVE
CLOUD COVER WILL CONTINUE THROUGH THE DAY ON TUESDAY THOUGH SHOWING
GRADUAL IMPROVEMENTS DURING THE AFTERNOON INTO THE EVENING HOURS.
HIGH TEMPERATURES WILL REMAIN COOLER THAN NORMAL FOR LATE APRIL
WITH VALUES TOPPING OUT IN THE LOWER 80S.
MAINLY RAIN-FREE WEATHER WILL PERSIST THROUGH THE EARLY PARTS OF
NEXT WEEK. MEANWHILE, A WARMING TREND WILL TAKE PLACE WEDNESDAY
THROUGH MONDAY OF NEXT WEEK. WEDNESDAY THROUGH SATURDAY, HIGH
TEMPERATURES WILL RANGE FROM THE UPPER 80S TO LOWER 90S NEAR THE
COAST TO THE UPPER 90S WEST. SUNDAY THROUGH MONDAY, TEMPERATURES
HEAT UP SLIGHTLY IN RESPONSE TO A STRENGTHENING 591 DAM SUB-
TROPICAL HEAT DOME TO OUR SOUTH ACROSS CENTRAL MEXICO. DAYTIME
HIGHS ARE PROGGED TO BE IN THE LOW TO MID 90S NEAR THE COAST TO
THE UPPER 90S WEST. OVERNIGHT LOW TEMPERATURES WILL MAINLY BE IN
THE 70S THROUGH EARLY NEXT WEEK.
AVIATION
(06Z TAFS)
ISSUED AT 1229 AM CDT TUE APR 21 2026
IFR CONDITIONS ARE GENERALLY EXPECTED TO PREVAIL THROUGH THE NIGHT
AND GRADUALLY IMPROVE ON TUESDAY, BACK TO VFR BY TUESDAY
AFTERNOON. RAIN CHANCES REMAIN SCATTERED, BUT PESKY TONIGHT AT BRO
AND HRL. VISIBILITY MAY DETERIORATE NEAR DAYBREAK WITH PATCHY FOG
DEVELOPING.
MARINE
ISSUED AT 933 PM CDT MON APR 20 2026
MOSTLY ADVERSE (SMALL CRAFT EXERCISE CAUTION) CONDITIONS WILL BE
IN PLACE THROUGH FRIDAY WITH WAVE HEIGHTS OVER THE GULF WATERS
MAINLY BETWEEN 4-6 FEET. SATURDAY THROUGH MONDAY OF NEXT WEEK,
MARINE CONDITIONS BECOME MORE FAVORABLE WITH LIGHT TO MODERATE
WINDS AND MODERATE SEAS.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 71 86 72 87 / 10 10 0 0
HARLINGEN 68 88 69 88 / 10 10 0 0
MCALLEN 72 91 72 91 / 10 10 0 0
RIO GRANDE CITY 70 90 70 93 / 10 10 0 0
SOUTH PADRE ISLAND 73 79 74 81 / 10 10 0 0
BAYVIEW/PORT ISABEL 70 84 71 86 / 10 10 0 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...HIGH RIP CURRENT RISK UNTIL 7 AM CDT THIS MORNING FOR TXZ451-454-
455.
GM...NONE.
SHORT TERM...23-EVBUOMA
LONG TERM....23-EVBUOMA
AVIATION...56-HALLMAN
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