Public Tropical Cyclone Advisory
Issued by NWS
Issued by NWS
806 WTNT32 KNHC 231437 TCPAT2 BULLETIN Tropical Storm Bertha Advisory Number 17 NWS National Hurricane Center Miami FL AL022026 Issued by the NWS Weather Prediction Center College Park MD 1000 AM CDT Thu Jul 23 2026 ...BERTHA MOVING WESTWARD VERY NEAR THE SOUTHWESTERN LOUISIANA COAST... ...EXPECTED TO REACH THE TEXAS COAST LATER TODAY... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...29.6N 93.2W ABOUT 35 MI...55 KM S OF LAKE CHARLES LOUISIANA ABOUT 100 MI...160 KM ENE 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: The Tropical Storm Warning east of Morgan City, Louisiana has been discontinued. 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 1000 AM CDT (1500 UTC), the center of Tropical Storm Bertha was located near latitude 29.6 North, longitude 93.2 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 near or along the Louisiana and upper Texas coasts during the next several hours, and then move inland over Texas this evening. Maximum sustained winds remain near 45 mph (75 km/h) with higher gusts. Little change in strength is expected today, and Bertha is forecast to maintain tropical storm intensity until it reaches the upper Texas coast later today. The system is expected to dissipate inland over Texas late tonight or Friday. Tropical-storm-force winds extend outward up to 160 miles (260 km) from the center. The minimum central pressure based on data from the Air Force Reserve reconnaissance aircraft 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 northern and northwestern Gulf Coast within the warning area through today. 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 intermediate advisory at 100 PM CDT. Next complete advisory at 400 PM CDT. $$ Forecaster Cangialosi