Tropical Storm Barry Forecast Discussion
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000 WTNT42 KNHC 292036 TCDAT2 Tropical Storm Barry Discussion Number 5 NWS National Hurricane Center Miami FL AL022025 400 PM CDT Sun Jun 29 2025 Earlier this afternoon, in the final leg exiting Barry in the northeast quadrant, the Air Force Reserve Reconnaissance sampling the storm measured a 850 mb flight level wind of 51 kt at 1647 UTC. This data was the basis for increasing the winds to 40 kt at 18 UTC intermediate advisory using the standard surface wind reduction factor. Since the aircraft left the storm, the satellite presentation has remained quite unimpressive, with the deepest convection near the center being sheared off to the southeast, though a larger curved band is attempting to organize well to the northeast of the small surface vortex. The center has also been trackable on radar based out of Tampico, Mexico. Based partially off the earlier aircraft data, the intensity of Barry remains 40 kt this advisory, but this value is also close to the objective satellite estimates of 41 kt and 40 kt from ADT and SATCON respectively. Barry continues to move off to the northwest, with the latest motion estimated at 315/8 kt, faster than earlier today. The steering flow is well-established by a low-to-mid level ridge parked in the central Gulf, which should maintain Barry's northwestward motion until it makes landfall this evening near Cabo Rojo, between the cities of Tuxpan and Tampico, Mexico. The latest NHC track is only slightly more right than the prior track, and is closest to the interpolated 12 UTC ECMWF track aid this cycle (EMXI). Time is just about up for Barry to intensify more before it makes landfall along the eastern Gulf coast of Mexico. Weakening should begin shortly after the tropical storm moves inland and especially when it encounters the high rugged terrain located in East-Central Mexico. This weakening is reflected in the latest NHC intensity forecast, and Barry will likely dissipate before the end of the day on Monday, in good agreement with the vast majority of the global and hurricane regional model guidance. The primary impact with Barry remains heavy rainfall and flash flooding for the upslope areas of eastern Mexico. Please see the latest forecast rainfall graphic from the Weather Prediction Center International Desk for more information. Key Messages: 1. Tropical Storm Barry will produce heavy rainfall across portions of northeastern Mexico through Monday. Life-threatening flooding and mudslides are possible, particularly in areas of steep terrain. 2. Tropical storm conditions, especially in gusts, are expected later today and tonight over portions of eastern Mexico in the tropical storm warning area. FORECAST POSITIONS AND MAX WINDS INIT 29/2100Z 21.2N 96.9W 40 KT 45 MPH 12H 30/0600Z 22.0N 97.9W 30 KT 35 MPH...INLAND 24H 30/1800Z 22.8N 98.8W 20 KT 25 MPH...POST-TROP/INLAND 36H 01/0600Z...DISSIPATED $$ Forecaster Papin