This Week in Weather 9/2/17-9/8/17

As the southeast prepares for the wrath of Hurricane Irma, here are the most interesting weather facts we’ve collected from this past week.

  • San Francisco downtown hit 104° Saturday, September 2, easily breaking a daily record, and marking only the 3rd time since 1874 they’ve recorded 2 consecutive days of 100+ degree temps. The only 2 other times it’s occurred was October 1987 and September 1904.
  • When Irma became a hurricane, it was the 4th consecutive Atlantic named storm to reach hurricane strength this season – first time this has happened since 2012 (Kirk thru Nadine). Average date of 4th Atlantic hurricane is September 21.
  • Dayton, OH: 59°F on 9/1 was the earliest 60°F high temp on record.
  • With 175 mph winds, Irma is the strongest Atlantic hurricane since Felix in 2007. Also, Irma is only the second Category 5 Atlantic hurricane in in the past 10 years (Matthew was the other)
  • Irma has now had max winds of 180+ mph for past 24 hrs – an Atlantic  hurricane record.  Old record was Allen w/ 18 hours of 180+ mph winds
  • The last time with 3 hurricanes at once was September 16-17, 2010 (Igor/Julia/Karl).  The Atlantic record for hurricanes at once is 4 (1893, 1998).

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