Review of the past hurricane season reports of hurricanes, tropical storms, tropical disturbances and related flooding during
Automated wind and pressure measurements around the island during Igor, as outlined in the chart above.
Source: Hinson’s Island automated weather station (privately owned)
It was noted from some more high resolution (1 minute) sea level pressure data, Bermuda’s pressure actually got down to 963.7 hPa at 2:51 UTC on the 20th (see below).
This is the barometer on which all of our official METAR/SPECI and SYNOP observations are based. Also in the same screen shot are wind measurements from each end of the runway at LF Wade International Airport. All of this data is from a Vaisala MIDASIV airfield integrated weather observing system.
It was noted that the wind maximum associated with Igor didn't evenly bracket the pressure trough as it would in a symmetric system. We have come to the conclusion that we were probably experiencing some form of an extratropical Transition (ET) wind max at the same time as the closest point of approach. This conclusion is largely based on the satellite/radar signature, and Chris Fogarty's ET schematic, as shown below.
Meteosat IR Imagery for Igor’s passage near Bermuda at 0300UTC and Bermuda Radar & Sferics Lightning products from BWS for 2:56UTC.
Source: Dr. Chris Fogarty, Environment Canada Canadian Hurricane Center / Atlantic Storm Prediction Center / National Lab for Marine and Coastal Meteorology http://projects.novaweather.net/
1 32° 17' 57.6882"N, 64° 45' 53.4774"W Elevation 230ft AMSL - 10-minute average
2 32°21.825’ N 64°39.368’W, Elevation 159ft AMSL - 10-minute average
3 32° 19' 44.5584"N, 64° 49' 55.9596"W Elevation 262ft AMSL - 10-minute average
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