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Unformatted text preview: (1083.8 mb). The station elevation is 263 meters; the temperature was -46 degrees C. Extraordinarily high surface pressures observed nearby at the same time corroborated the record measurement. The North American record for high pressure was set in 1989. At 2000 GMT on 31 January 1989, an anticyclone of historic proportions brought a "sea-level equivalent" pressure of 31.85 in (1078.4 mb) to Northway, on the Alaska Highway in the east central part of Alaska. When pressures occur in this range, many commercial aircraft are grounded because their altimeters aren't designed for such high settings. 13. Dr. Knox is tricky on this one! Boston is on Eastern time. The end of February is still Standard time. So Boston is 5 hours behind UTC time, i.e. its midnight in Greenwich, England. But its February 28 th in a leap year! So the correct answer is: the UTC time for this question is 0000 UTC February 29 th , 2012 . Tricky! 14. and 15. Good practice for later in the semester....
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This note was uploaded on 09/09/2011 for the course GEOG 1112 taught by Professor Frye during the Spring '08 term at University of Georgia Athens.
- Spring '08