美国中部出现Rick星云

NASA's Aqua satellite captured Rick's remnant（残余） clouds and showers as they charged through Texas and fed moisture（潮湿，湿气） into a low pressure system that is migrating across the U.S. By mid-day on October 22, Rick's remnant moisture had folded into a low pressure area centered over Missouri. The National Hurricane Center (NHC) issued their final advisory¹（咨询，顾问） on Rick's remnants on Wednesday, October 21 at 2 p.m. PDT (5 p.m. EDT). "The high terrain²（地带，地域） of western Mexico had taken its toll³ on Rick," the NHC noted⁴. Satellite images and observations on the surface showed that Rick's center of circulation had dissipated（耗散的，浪费的） by that time.

NASA's Aqua satellite's Atmospheric⁵ Infrared⁶ Sounder (AIRS) instrument captured Rick's high clouds and showers this morning at 3:59 a.m. EDT as they spread northeast over Mexico and into Texas. The AIRS image revealed that all of the powerful thunderstorms had fizzled and confirmed that Rick's center of circulation had dissipated.

During the afternoon and overnight hours into October 22 Rick's moisture moved northeastward across northern Mexico and into Texas. By mid-day on October 22, Rick's moisture had merged⁷ with a front extending from a low over Missouri. The precipitation stretched from Louisiana into Michigan.