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Hurricane Sandy to Bring Gusts of up to 185 kmph to US East Coast

Hurricane Sandy on 29th October 2012. Image courtesy National Oceanic and Atmospheric Administration, USA.

The National Hurricane Center in Miami has warned that winds of up to 185kmph will occur at 1800 UTC on Monday 29th October 2012 as Hurricane Sandy sweeps the East Coast of the United States. Here is an abridged summary of the weather warning from Florida:

0900 UTC MON OCT 29 2012

Changes in watches and warnings with this advisory – NONE.

Summary of watches and warnings in effect:

A tropical storm warning is in effect for:
* North of Surf City to Duck, North Carolina,
* Pamlico and Albemarle Sounds
* Bermuda

In addition:

Hurricane-force winds are expected along portions of the coast between Chincoteague, Virginia, and Chatham, Massachusetts. This includes the tidal Potomac from Cobb Island to Smith Point, the middle and upper Chesapeake Bay, Delaware Bay, and the coasts of the Northern Delmarva Peninsula, New Jersey, the New York City area, Long Island, Connecticut and Rhode Island.

Tropical-storm-force winds are expected North of Chatham to Merrimack River, Massachusetts, the Lower Chesapeake Bay and South of Chincoteague to Duck, North Carolina, the Northern endpoint of the tropical storm warning.

Other coastal and inland watches and warnings are in effect for these areas. Please see statements from local national weather service forecast offices.

Hurricane Center located near 35.9N  70.5W on 29th October 2012 at 09:00 UTC. Position accurate to within  20 Nautical Miles. Present movement toward the North or 360 degrees at 13 KT

Estimated minimum central pressure  946 MB
Max sustained winds  75 KT with gusts to 90 KT.
64 KT…….  0NE   0SE 150SW   0NW.
50 KT…….150NE 150SE 200SW 150NW.
34 KT…….420NE 330SE 360SW 270NW.
12 FT SEAS..480NE 720SE 660SW 480NW.
Winds and seas vary greatly in each quadrant. Radii in nautical miles are the largest radii expected anywhere in that quadrant.

Repeat… Center located near 35.9 North  70.5 West on 29th October 2012 at 09:00 UTC. At 06:00 on 29th October 2012 center was located near 35.2 North  70.5 West

Forecast valid 29th October 2012 at 18:00 UTC 37.8 North  72.0 West
Max Wind  80 KT…Gusts 100 KT.
64 KT…  0NE  60SE 150SW 100NW.
50 KT…150NE 150SE 200SW 150NW.
34 KT…450NE 360SE 360SW 330NW.

FORECAST VALID 30/0600Z 39.5N  75.5W…POST-TROP/EXTRATROP
MAX WIND  65 KT…GUSTS  80 KT.
64 KT… 60NE 100SE 100SW   0NW.
50 KT…120NE 180SE 150SW 100NW.
34 KT…400NE 360SE 240SW 150NW.

FORECAST VALID 30/1800Z 40.0N  77.3W…POST-TROP/EXTRATROP
MAX WIND  50 KT…GUSTS  60 KT.
50 KT…100NE 100SE  60SW  60NW.
34 KT…360NE 360SE 240SW 120NW.

FORECAST VALID 31/0600Z 40.5N  77.5W…POST-TROP/EXTRATROP
MAX WIND  35 KT…GUSTS  45 KT.
34 KT…300NE 300SE 200SW 120NW.

FORECAST VALID 01/0600Z 44.0N  76.5W…POST-TROP/EXTRATROP
MAX WIND  30 KT…GUSTS  40 KT.

Extended outlook. Note: errors for track have averaged near 175 NM on day 4 and 225 NM on day 5…and for intensity near 20 KT each day.

OUTLOOK VALID 02/0600Z 45.5N  74.0W…POST-TROP/EXTRATROP
MAX WIND  25 KT…GUSTS  35 KT.

OUTLOOK VALID 03/0600Z 46.5N  70.0W…POST-TROP/EXTRATROP
MAX WIND  20 KT…GUSTS  30 KT.

Request for 3 hourly ship reports within 300 miles of 35.9N  70.5W

The next advisory from the National Hurricane Center in Miami will be available at 3pm UTC on 29th October 2012.

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Editors and staffers from the Science Desk at The Global Herald.

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