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Tropical Storm Iota Forecast Discussion Number 19
2020-11-18 03:35:37| National Hurricane Center (Atlantic)
Issued at 900 PM CST Tue Nov 17 2020 000 WTNT41 KNHC 180235 TCDAT1 Tropical Storm Iota Discussion Number 19 NWS National Hurricane Center Miami FL AL312020 900 PM CST Tue Nov 17 2020 Most of the deep convection associated with Iota has weakened during the past several hours, with the primary remaining convection now in a band well removed from the center in the northwestern semicircle. The initial intensity is reduced to 35 kt, and these winds are possibly occuring in two areas - a small area near what is left of the inner core and along the coast of Honduras in the Tropical Storm warning area. Iota should continue to quickly weaken, with the system expected to drop below tropical-storm strength during the next few hours and to dissipate completely between 12-24 h. At this time, the available guidance is not bullish on any regeneration of the system over the Pacific. The initial motion is 270/10. The cyclone or its remnants should move westward to west-southwestward before dissipation occurs. Iota is still expected to produce very serious hazards while it is over central America, including flash flooding and mud slides, These hazards could result in potentially catastrophic effects, especially when compounded upon Hurricane Eta's destruction from a couple of weeks ago. Key Messages: 1. Life-threatening flash flooding and river flooding is expected through Thursday across portions of Central America due to heavy rainfall from Iota. Flooding and mudslides across portions of Honduras, Nicaragua and Guatemala could be exacerbated by saturated soils in place, resulting in significant to potentially catastrophic impacts. 2. Tropical-storm conditions, primarily close to the center of Iota and along the coast of Honduras, are still expected for the next few hours. FORECAST POSITIONS AND MAX WINDS INIT 18/0300Z 13.7N 87.3W 35 KT 40 MPH...INLAND 12H 18/1200Z 13.4N 88.7W 25 KT 30 MPH...POST-TROP/INLAND 24H 19/0000Z...DISSIPATED $$ Forecaster Beven
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