MSGID: 1:317/3 63558127   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   October 23, 2022 - Tropical Storm Roslyn Strengthening off the Coast of   
   Mexico   
      
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      Late in the evening of October 19, 2022, the National Hurricane Center   
      (NHC) issued an advisory for formation of a depression offshore of   
      southwestern Mexico. Only twelve hours later, on the morning of October   
      20, the depression became Tropical Storm Roslyn. The storm travelled   
      west-northwestward, roughly paralleling the coast of Mexico as it   
      continued to strengthen, becoming a hurricane on the evening of October   
      21. Roslyn then rapidly intensified to become a major hurricane.   
      Hurricane Roslyn is expected to continue to batter the Mexican   
      coastline through the night of October 22 at Category 4 strength, then   
      make landfall north of Puerto Vallarta on October 23.   
      
      The Moderate Resolution Imaging Spectroradiometer (MODIS) on board   
      NASA’s Aqua satellite acquired a true-color image of newly-formed   
      Tropical Storm Roslyn on the morning of October 20. Near that time,   
      Roslyn carried maximum sustained winds of about 45 mph (72 km/h) and   
      was about 175 miles (280 km) south of Zihuantanejo, Mexico and about   
      305 miles (490 km) south-southeast of Manzanillo, Mexico. The center of   
      the storm was cloud-filled and becoming defined, with ragged and   
      asymmetric circulation that stretched both to the southwest and   
      northeast. Storm bands in the northeast quadrant were already bringing   
      rain to the city of Acapulco, which sits on the Pacific Coast.   
      
      At 11:00 p.m. EDT on October 22 (0300 UTC on October 23), the NHC   
      advised that Hurricane Roslyn’s maximum sustained winds were near 132   
      mph (212 km/h), which places it as a Category 4 storm on the   
      Saffir-Simpson Hurricane Wind Scale. Gusts were reaching 161 mph (259   
      km/h). The center of Hurricane Roslyn was located near latitude 20.0   
      north, longitude 106.6 west, which is southwest of Puerta Vallarta.   
      Hurricane warnings were in effect for Playa Perula to Escuinapa and Las   
      Islas Marias.   
      
      The NHC warned that Roslyn is expected to be at or near hurricane   
      strength when it makes landfall along the west-central coast of Mexico   
      by October 23. It will be accompanied by damaging wind and dangerous   
      storm surge. The Global Disaster Alert and Coordination System (GDACS)   
      states that Roslyn “can have a high humanitarian impact based on the   
      maximum sustained wind speed, exposed population, and vulnerability”.   
      They estimate that 350,000 people may be impacted by Category-1-force   
      winds or higher. Category 1 winds range from 75 to 95 mph (119 to 153   
      km/h).   
      
      Image Facts   
      Satellite:  Aqua   
      Date Acquired: 10/20/2022   
      Resolutions:  1km (2.3 MB),  500m (6.4 MB),  250m (4.6 MB)   
      Bands Used: 1,4,3   
      Image Credit: MODIS Land Rapid Response Team, NASA GSFC   
      
      
      
   https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2022-10-23   
       
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