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| #1009679 (Received by flhurricane at: 10:48 PM 25.Jul.2020) TCDAT3 Hurricane Hanna Discussion Number 13 NWS National Hurricane Center Miami FL AL082020 1000 PM CDT Sat Jul 25 2020 Hanna made landfall around 2200 UTC over Padre Island, Texas, and then made a second landfall a little more than an hour later in eastern Kenedy County, Texas. The estimated intensity was 80 kt for both of those landfalls. Since then, Hanna has been moving inland over southern Texas and has weakened. The initial intensity is lowered to 65 kt for this advisory, based on Doppler radar velocity data and surface observations. Even though the hurricane has weakened some, it still has an impressive appearance in radar images with an eye, eyewall, and rainbands evident. The storm is moving west-southwestward at 8 kt, steered by a mid-level ridge situated to its north over the central United States. This motion should continue, taking Hanna across extreme southern Texas overnight and across northeastern Mexico on Sunday. The new NHC track forecast is just a little south of the previous one, trending toward the latest consensus models. Now that Hanna is inland, rapid weakening is forecast. Hanna should fall below hurricane strength in the next few hours and weaken to a tropical depression by late Sunday. Hanna is forecast to dissipate over the rugged terrain of Mexico on Monday. Key Messages 1. Life-threatening storm surge will continue along portions of the Texas coast from Port Mansfield to Port O`Connor, where a Storm Surge Warning is in effect. Residents in these locations should follow advice given by local emergency officials. 2. Hurricane conditions will continue within the Hurricane Warning area along the Texas coast for a few more hours. Strong winds are expected to spread farther inland across portions of south Texas where a Tropical Storm Warning is in effect. 3. Hanna is expected to produce heavy rains across portions of southern Texas and northeastern Mexico. These rains will result in life-threatening flash flooding and isolated minor to moderate river flooding. FORECAST POSITIONS AND MAX WINDS INIT 26/0300Z 26.6N 98.0W 65 KT 75 MPH...INLAND 12H 26/1200Z 26.2N 99.1W 45 KT 50 MPH...INLAND 24H 27/0000Z 25.4N 100.6W 30 KT 35 MPH...INLAND 36H 27/1200Z 24.6N 101.9W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 28/0000Z...DISSIPATED $$ Forecaster Cangialosi |
