{"id": "1218633184990953475", "title": "Tropical Cyclone Discussion", "adv_date": "2026-10-14T09:00:00Z", "msg": "845\nWTPZ41 KNHC 140848\nTCDEP1\n \nTropical Storm Trudy Discussion Number   4\nNWS National Hurricane Center Miami FL       EP212026\n300 AM CST Wed Oct 14 2026\n \nTrudy continues to be a complicated storm to locate and forecast. A \nrecent ASCAT pass shows that the center is farther west-southwest \nthan the previous best track position. In addition, the ASCAT pass \nwas also used to adjust the wind radii for the cyclone. The \nsatellite presentation shows that the bulk of the convection remains \non the north side of the storm, but recently new deep convection has \ndeveloped over the center with cloud tops colder than -70 C based \non the infrared imagery. Based on the latest TAFB Dvorak and \nUW-CIMSS intensity estimates, the initial intensity for Trudy has \nbeen raised to 45 kt.\n \nThe repositioning of the center based on the previously mentioned \nASCAT pass has long-reaching impacts for the track forecast. With \nthe initial position farther west-southwest than before, the updated \ntrack has been generally shifted west of the previous forecast. The \ncurrent track forecast has Trudy being steered by a mid-level ridge \nover the southern United States for the next 72 h. Afterwards, the \nuncertainty in the track becomes larger than normal due to the \ncyclone entering a region of weaker steering flow. This occurs due \nto the previously mentioned mid-level ridge retreating as a trough \nmoves over the western United States. The current NHC track \nforecast heavily favors the HCCA and GDMI forecast aids. In this \ncurrent track forecast, the center of the cyclone does remain \noffshore of southwestern Mexico, but there is still a lot of \nuncertainty regarding the long-range track forecast.\n \nThe environmental conditions are very favorable for strengthening, \nand Trudy is expected to rapidly intensify and should become a \nhurricane within 24 h. Trudy is forecast to reach major hurricane \nstatus somewhere around 48 h and continue to intensify for around \n60-72 h. After that, wind shear is expected to steadily increase as \nmid-level relative humidity decreases, thus a general weakening \ntrend is expected to occur. The new intensity forecast is generally \nabout the same as the previous one, however slower weakening is \nshown late in the period since the new forecast remains offshore. \nThe current intensity forecast is still on the upper end of the \nguidance envelope, but is in good agreement with HCCA and GDMI \nforecast aids.\n \nKey Messages:\n \n1. Trudy is forecast to be a major hurricane as it approaches the\ncoast of southwestern and west-central Mexico late this week and\ninto the weekend. There is an increasing risk of wind, rain, and\nstorm surge impacts, and watches could be required for a portion of\nthese areas later today.\n \n \nFORECAST POSITIONS AND MAX WINDS\n \nINIT  14/0900Z 11.1N  99.0W   45 KT  50 MPH\n 12H  14/1800Z 11.5N 100.2W   55 KT  65 MPH\n 24H  15/0600Z 12.4N 101.3W   65 KT  75 MPH\n 36H  15/1800Z 13.1N 101.8W   80 KT  90 MPH\n 48H  16/0600Z 14.0N 102.4W  100 KT 115 MPH\n 60H  16/1800Z 14.9N 102.9W  110 KT 125 MPH\n 72H  17/0600Z 16.0N 103.6W  115 KT 130 MPH\n 96H  18/0600Z 18.5N 105.2W  105 KT 120 MPH\n120H  19/0600Z 20.4N 106.8W   85 KT 100 MPH\n \n"}