textproduct: Corpus Christi

KEY MESSAGES

Updated at 124 PM CDT Thu Jul 23 2026

- A Heat Advisory remains in effect across much of South Texas today until 7pm.

- Continuing to monitor for indirect impacts along the Middle Texas Coast from Tropical Storm Bertha through tonight. Heavy rainfall with localized flooding and strong gusty winds are the main concerns.

- The Weather Prediction Center has a marginal risk of excessive rainfall across a majority of S TX.

- Storms Prediction Center has a marginal risk for severe thunderstorms across southern and eastern portions of S TX.

DISCUSSION

Issued at 124 PM CDT Thu Jul 23 2026

The center of Tropical Storm Bertha is currently located inland near the Texas and Louisiana border, however the rain is displaced well to the southwest of the center due to mid/upper level shear. As TS Bertha continues a westward movement, showers and thunderstorms currently over the northwestern gulf will move inland later this afternoon along the TX coast. Medium to high rain chances expected across the Victoria Crossroads and Coastal Bend late afternoon into tonight. The higher rain chances shift west across the Brush Country and Rio Grande Plains overnight with rain chances ending from east to west by Friday morning. Rainfall amounts of 1 to 3 inches with isolated higher amounts are expected generally south and east of a line from Victoria to Laredo. Localized flooding is possible with the stronger storms with high rainfall rates. At this time, widespread flooding is not anticipated. As for strong winds, the stronger storms may produce wind gusts up to 40-50 mph. Isolated severe storms are possible with damaging wind being the main threat.

Heat remains the other concern through this afternoon with a Heat Advisory in effect until 7PM this evening. At this time, heat advisory conditions are not anticipated through the weekend with heat indices generally 100-109. A moderate risk of heat related impacts can be expected Friday through the weekend with an increasing risk to major impacts next week as a mid level high pressure system centered over the U.S., maintains influence over S TX. Very low to nil rainfall chances expected this weekend into next week.

AVIATION

(18Z TAFS) Issued at 124 PM CDT Thu Jul 23 2026

VFR conditions expected through the early afternoon, then showers and storms over the gulf associated with TS Bertha (but displaced well to the southwest of the center) are expected to move inland along the TX coast through late this afternoon. The convection is expected to shift westward through tonight into the Brush Country and Rio Grande Plains, then end from east to west by Friday morning. Could have MVFR/IFR conditions in and around storms. Wind gusts around 30 knots can be expected with these showers and storms with isolated gusts to around 50 knots possible. Prevailing VFR conditions expected by Friday morning.

MARINE

Issued at 124 PM CDT Thu Jul 23 2026

Tropical Storm Bertha currently located inland near the Texas and Louisiana border will lead to increasing swells and waves across the Texas coastal waters and winds will increase to advisory levels north of Port Aransas. A Small Craft Advisory is in effect this afternoon until this evening from Port Aransas northward and out to 60 NM. Medium to high rain and thunderstorm chances associated with Bertha can be expected through this evening. Otherwise, a moderate (BF 4) south to southwest flow will increase to fresh to strong (BF 5-6) at times this afternoon and evening, then winds settle into a moderate flow that is expected to persist through the rest of the forecast period along with very low to nil rain chances.

PRELIMINARY POINT TEMPS/POPS

Corpus Christi 78 92 79 92 / 70 0 0 0 Victoria 76 93 76 95 / 90 0 0 0 Laredo 78 98 77 99 / 80 20 0 0 Alice 76 95 76 95 / 80 10 0 0 Rockport 80 91 81 91 / 80 0 0 0 Cotulla 78 98 77 99 / 70 10 0 0 Kingsville 77 93 77 93 / 80 10 0 0 Navy Corpus 81 90 82 89 / 70 0 0 0

CRP WATCHES/WARNINGS/ADVISORIES

TX...Heat Advisory until 7 PM CDT this evening for TXZ229>234-239- 244>247-344-346-347.

GM...Small Craft Advisory until 1 AM CDT Friday for GMZ236-237-255- 275.