BWS - Tropical Update Bulletin
HURRICANE BILL
IS A POTENTIAL THREAT TO BERMUDA
Advisory #20,
6 am Thu, Aug 20, 2009 (900 UTC Thu, Aug 20, 2009)
6 am Thu, Aug 20, 2009 (900 UTC Thu, Aug 20, 2009)
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KEY: Blue = 34-50 kts, Yellow = 50-64 kts, and Red = 64 kts and greater
Diagonal shading indicates fringe winds (34kts or greater surrounding the storm's core)
Within the next 72 hours (3 days), the nearest forecasted point to Bermuda is 171 nm to the W. 8 am Sat, Aug 22, 2009. Please note that this forecast is subject to change with the next update.
| Current Position: | 21.6N 60.3W approx. 689 nm SSE of Bermuda |
| Recent Movement: | WNW or 305 degrees at 16 kt |
| Central Pressure: | 949 mb / 28.02 in |
| Max Winds: | 110kt gusts 135kt |
BWS Tropical Update Bulletins (TUBs), in line with NHC updates, are normally issued every 6 hours for tropical cyclones forecast to be in Bermuda's vicinity (03, 09, 15, and 21 UTC).
When a tropical watch or warning is in effect for Bermuda, intermediate TUBs are issued at 3-hour intervals between the
regular TUBs (06, 12, 18, and 00 UTC). Additionally, TUBs may be issued at any time due to significant changes in warnings
or in the cyclone.