Tropical Storm Andrea Forecast Discussion
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000 WTNT41 KNHC 242036 TCDAT1 Tropical Storm Andrea Discussion Number 2 NWS National Hurricane Center Miami FL AL012025 500 PM AST Tue Jun 24 2025 Deep convection associated with Andrea collapsed around 1500Z and has not redeveloped. The latest subjective Dvorak current intensity estimate from TAFB was 1.5, which is in line with the degradation in satellite presentation. Scatterometer data from earlier this morning showed numerous 33 to 36 knot wind barbs, so the initial intensity for this advisory is held at 35 knots. The initial motion is 050/17 knots. This motion is expected to continue through dissipation, which is forecast to occur by 24 hours. The track forecast closely follows the latest consensus guidance. The clock is ticking on Andrea now with the loss of deep convection. This will be a short-lived tropical storm, as environmental conditions will become increasingly hostile during the next 12 to 24 hours. Water temperatures will drop to around 20/21C, with vertical wind shear increasing to 30-40 knots, in a dry mid-level environment. The intensity forecast shows Andrea becoming a post-tropical remnant low later tonight, with the system expected to dissipate on Wednesday. FORECAST POSITIONS AND MAX WINDS INIT 24/2100Z 37.9N 47.4W 35 KT 40 MPH 12H 25/0600Z 39.0N 44.5W 30 KT 35 MPH...POST-TROP/REMNT LOW 24H 25/1800Z...DISSIPATED $$ Forecaster Jelsema/Blake