 Upon the designation of Tropical Depression Twenty @-@ E on October 17 , a tropical storm warning was issued for coastal areas of Mexico between Tecpán de Galeana and Lagunas de Chacahua . Forecasters at the NHC noted that the greatest threat from the system would be torrential rains across Guerrero and Oaxaca that could trigger life @-@ threatening flash floods and mudslides . Rapid organization of the system prompted a hurricane watch to be issued by 09 : 00 UTC on October 18 for areas between Acapulco and Lagunas de Chacahua . This watch was soon discontinued as Trudy failed to reach hurricane intensity before moving inland over Mexico . The tropical storm warning was subsequently allowed to expire by 21 : 00 UTC as Trudy weakened to a depression . In addition to the above watches and warnings , a " yellow " alert was activated for Guerrero on October 17 . Upon abruptly intensifying prior to landfall , a " red " alert was activated for southeastern Guerrero and southwestern Oaxaca while the rest of Guerrero and Oaxaca were placed under an " orange " alert . A total of 35 shelters were opened across eastern areas of Guerrero . 
