2005 Azores subtropical storm: Difference between revisions

2005 Azores subtropical storm (edit)

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}}</ref> Around the same time, the depression turned northeast into a [[~~warm~~Warm front\|warm sector]] ahead of an oncoming cold front, and strengthened into a subtropical storm. The system continued to track northeast and strengthened slightly, reaching its peak intensity of 50 mph (85 km/h) as it approached the Azores that evening. After tracking through the Azores, the storm weakened slightly as it moved to the north-northeast. Through an interaction with the cold front early on October 5 the subtropical storm became extratropical. The system was fully absorbed by the front later that day.<ref name="AzoresTCR"/> The newly absorbed system would separate from the dissolving frontal system and become [[Hurricane Vince (2005)\|Subtropical Storm Vince]] on October 8.<ref name="VinceTCR">{{cite web\|author=National Hurricane Center\|title=Tropical Cyclone Report: Hurricane Vince\|publisher=National Oceanic and Atmospheric Administration\|date=2006-02-22\|accessdate=2006-05-04\|format=PDF\|url={{NHC TCR url\|id=AL242005_Vince}}\| archiveurl=https://web.archive.org/web/20060524183804/http://www.nhc.noaa.gov/pdf/TCR-AL242005_Vince.pdf\|archivedate=24 May 2006 \|url-status=live}}</ref> At the time, the system was not believed to have been subtropical. However, there were several post-season findings that confirmed that the system was indeed a subtropical storm. The first was the cloud pattern, in which it had deep convection around the center and was better organized with a well-defined center of circulation. In addition, the system had a warm core more typical of tropical cyclones as opposed to the cold core of extratropical cyclones. The warm-core nature also meant that there were no [[warm front\|warm]] or cold fronts attached to the system, as temperatures did not change ahead of and behind the system<ref name="wunderground_Oct2_8">{{cite web\|author=Computer Generated\|date=2005-10-08\|accessdate=2008-08-08\|publisher=Weather Underground\|title=History for Santa Maria, Azores: Week of October 2, 2005 through October 8, 2005\|url=http://www.wunderground.com/history/airport/LPAZ/2005/10/6/WeeklyHistory.html}}</ref> until the unrelated cold front passed the Azores.<ref name="wunderground_Oct6">{{cite web\|author=Computer Generated\|date=2005-10-06\|accessdate=2008-08-08\|publisher=Weather Underground\|title=History for Santa Maria, Azores: Thursday, October 6, 2005\|url=http://www.wunderground.com/history/airport/LPAZ/2005/10/6/DailyHistory.html}}</ref> Satellite imagery suggested that the system was briefly a tropical storm as the warm core was found; however, the widespread wind field and the presence of an upper-level trough confirmed that it was merely subtropical.<ref name="AzoresTCR"/> ==Impact, ~~naming~~classification, and records== Tropical storm-force winds were reported across parts of the Azores, primarily on the eastern islands. The strongest winds were reported on [[Santa Maria Island (Azores)\|Santa Maria Island]], where [[Maximum sustained wind#Definition\|10-minute sustained winds]] reached 49 mph (79 km/h) with gusts to 59 mph (94 km/h).<ref name="wunderground_Maria_Oct4">{{cite web\|author=Computer Generated\|publisher=Weather Underground\|date=2005-10-04\|accessdate=2008-08-07\|title=History for Santa Maria, Azores: Tuesday, October 4, 2005\|url=http://www.wunderground.com/history/airport/LPAZ/2005/10/4/DailyHistory.html?req_city=NA&req_state=NA&req_statename=NA}}</ref> [[Ponta Delgada]] faced 38 mph (61 km/h) winds, with the peak recorded gust being 52 mph (85 km/h).<ref name="MWR 2005AHS"/> No damage or fatalities were reported.<ref name="AzoresTCR"/>