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Issued at 100 PM CDT Thu Jul 23 2026
000 WTNT32 KNHC 231759 TCPAT2 BULLETIN Tropical Storm Bertha Intermediate Advisory Number 17A NWS National Hurricane Center Miami FL AL022026 100 PM CDT Thu Jul 23 2026 ...BERTHA INLAND NEAR THE TEXAS-LOUISIANA BORDER... ...HEAVY RAINS SPREADING ACROSS PORTIONS OF COASTAL TEXAS... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...29.9N 93.8W ABOUT 40 MI...60 KM WSW OF LAKE CHARLES LOUISIANA ABOUT 75 MI...115 KM NE OF GALVESTON TEXAS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * The Gulf Coast from Morgan City, Louisiana, to Sargent, Texas A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 24 hours. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 100 PM CDT (1800 UTC), the center of Tropical Storm Bertha was located near latitude 29.9 North, longitude 93.8 West. Bertha is moving toward the west near 10 mph (17 km/h), and this motion with some increase in forward speed is expected during the next day or so. On the forecast track, the center of Bertha will move across portions of eastern Texas during the next several hours. Maximum sustained winds remain near 45 mph (75 km/h) with higher gusts. Bertha is expected to gradually weaken, and it is forecast to dissipate in a day or so. Tropical-storm-force winds extend outward up to 160 miles (260 km) south of the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Bertha can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC. WIND: Tropical storm conditions will continue spreading across portions of the Louisiana and Texas coasts within the warning area into the evening. STORM SURGE: The combination of storm surge and the tide will cause normally dry areas near the immediate coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Port Bolivar, TX to Port Fourchon, LA...1-2 ft The deepest water will occur along the immediate coast. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. For a complete depiction of areas at risk of storm surge inundation, please see the National Weather Service Peak Storm Surge Graphic, available at hurricanes.gov/graphics_at2.shtml?peakSurge. RAINFALL: Bertha is expected to produce total rainfall amounts of 2 to 4 inches with isolated totals to 6 inches through Thursday night along Texas Gulf Coast and South Texas. This rainfall may produce isolated flash flooding, especially in urban areas. For a complete depiction of forecast rainfall associated with Bertha, please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_at2.shtml?rainqpf and the Flash Flood Risk graphic at hurricanes.gov/graphics_at2.shtml?ero. SURF: Swells generated by Bertha will continue spreading westward along the northern and northwestern Gulf Coast. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. A depiction of rip current risk for the United States can be found at: hurricanes.gov/graphics_at2.shtml?ripCurrents NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Cangialosi/R. Zelinsky
