Typhoon Vera: Difference between revisions

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Early on September&nbsp;22, an [[Fix (position)|aircraft fix]] located Vera 175&nbsp;km (110&nbsp;mi) north-northeast of [[Saipan]]. Throughout the course of the day, periodic reconnaissance flights into the storm indicated that Vera had begun to [[rapid deepening|rapidly intensify]]. By 1800&nbsp;UTC later that day, data analysis concluded that the tropical cyclone had reached [[tropical cyclone scales|typhoon]] intensity.<ref name=ATCR /> Rapid intensification continued into the following day, as the typhoon's [[maximum sustained wind]]s and [[barometric pressure]] quickly rose and fell, respectively.<ref name=IBTrACS /> Concurrently, Vera's size grew to a point at which it spanned 250&nbsp;km (155&nbsp;mi) across.<ref name=Retrospective /> At 0600&nbsp;UTC the following day, Vera achieved its minimum estimated barometric pressure at 895&nbsp;[[bar (unit)|mbar]] ([[pascal (unit)|hPa]]; 26.43&nbsp;[[inches of mercury|inHg]]). This indicated a 75&nbsp;mbar (hPa; 2.22&nbsp;inHg) pressure drop in the preceding 24&nbsp;hours.<ref name=IBTrACS /> Upon reaching its minimum pressure, Vera was estimated to have attained winds equivalent to a [[Saffir–Simpson scale#Category 5|Category&nbsp;5]]&nbsp;– the highest classification possible on the modern-day [[Saffir–Simpson hurricane wind scale]].<ref name=IBTrACS /><ref name=SSHS>{{cite web | title=Saffir-Simpson Hurricane Wind Scale | url=http://www.nhc.noaa.gov/aboutsshws.php | publisher=United States National Oceanic and Atmospheric Administration's National Weather Service | access-date=2 January 2014 | author=National Hurricane Center | location=[[Miami, Florida]] | date=May 24, 2013}}</ref> The typhoon's winds continued to increase before peaking at 1200&nbsp;UTC on September&nbsp;23, when reconnaissance aircraft reported maximum sustained winds of 305&nbsp;km/h (190&nbsp;mph).<ref name=ATCR /><ref name=Retrospective /> Upon peaking in wind speed, Vera was located 645&nbsp;km (400&nbsp;mi) northeast of Guam.<ref name=ATCR /> The tropical cyclone's ability to quickly intensify was attributed to conducive [[atmospheric circulation|atmospheric divergence]] and highly sustainable [[sea surface temperature]]s.<ref name=Retrospective/>
 
Vera only maintained peak intensity for roughly twelve hours, but still remained a powerful tropical cyclone.<ref name=IBTrACS /> With very little change in strength, the typhoon tracked northwestward throughout September&nbsp;24. Due to the influence of a nearby [[high-pressure area]], Vera began to gradually curve and rapidly accelerate northward towards Japan. At 0900&nbsp;UTC on September&nbsp;26, Vera made its first [[landfall (meteorology)|landfall]] on [[Honshu]], just west of [[Shionomisaki Lighthouse|Shionomisaki]].<ref name=ATCR /> At the time, the typhoon had maximum sustained winds of 260&nbsp;km/h (160&nbsp;mph), equivalent to a [[Saffir-Simpson Scale|Category 5 tropicalsuper cyclonetyphoon]], and a barometric pressure of 920&nbsp;mbar (hPa; 27.17&nbsp;inHg).<ref name=IBTrACS /> Vera traversed the Japanese island rather quickly at a speed 61&nbsp;km/h (38&nbsp;mph), and emerged into the [[Sea of Japan]] at 1530&nbsp;UTC that day.<ref name=ATCR /> Despite its short stint over land, the terrain greatly weakened the tropical cyclone.<ref name=IBTrACS /> Tracking into a [[westerlies|westerly wind flow]], Vera was forced eastward, resulting in a second landfall near Sakata, Honshu,<ref name=ATCR /> with an intensity equivalent to that of a [[Saffir–Simpson scale#Category 1|Category&nbsp;1 hurricane]].<ref name=IBTrACS /><ref name=SSHS /> Vera re-emerged into the North Pacific Ocean late on September&nbsp;26, having weakened due to [[advection]] of cold air in addition to continued land interaction. At 0600&nbsp;UTC on September&nbsp;27, the JTWC analyzed the typhoon to have weakened to tropical storm intensity. The warning center discontinued its periodic monitoring of the system, as Vera had begun to transition into an [[extratropical cyclone]].<ref name=ATCR /> Consequently, the JMA officially reclassified the system as an extratropical storm at 1200&nbsp;UTC that day. Vera's extratropical remnants continued to persist and track eastward for the next two days before the JMA last noted the storm at 1200&nbsp;UTC on September&nbsp;29.<ref name=JMA-BT />
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