On Thursday 21-Oct TD 19e was named Tropical Storm Roslyn just South of Mexico. As of Friday 8pEDT, winds 70mph(110km/h), moving WNW 7mph(11km/h), pressure 992mb. Nearly a hurricane about 180miles(285km) SSW of Manzanillo, Mexico.
Hurricane Warning Playa Perula to San Blas & the islands just NW of Puerto Vallarta. NHC has the center coming in near or North of Puerto Vallarta as 105mph(169km/h) Cat2 hurricane early Sunday. Infrared satellite shows a very small tight core. Small storms can more quickly change strength (up or down)
NHC updates storm stats every 3hrs at 2,5,8&11a/pEDT here:
https://www.nhc.noaa.gov/?epac