Observations from Buoy JUST off Africa

[Vortex]

This should have some interesting OBS the next 24 hours as models indicate the developing cyclone will be passing just south of this Buoy. Over the last 4 hours the winds have shifted to the NNE where the previous 20+ hours indicated westerly winds.


Atlantic) Project
Atlas Buoy
12 N 23 W (12°0'0" N 23°0'0" W)

Anemometer height: 4 m above site elevation


Meteorological Observations from Nearby Stations and Ships

Latest Satellite Wind Map for this Area


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Conditions at 13001 as of
2100 GMT on 08/10/2007:

Note: This report is more than two hours old Unit of Measure: English Metric Time Zone: Station Local Time Greenwich Mean Time [GMT] British Summer Time [GMT+1] Eastern Greenland [GMT-1] Azores [GMT-2] Western Greenland [GMT-3] Atlantic Standard [GMT-4] US/Eastern Standard US/Central Standard US/Mountain Standard US/Pacific Standard Alaska Standard [GMT-9] Hawaii-Aleutian Standard [GMT-10] Samoa Standard [GMT-11] International Date Line West [GMT-12] Western European [GMT+0] Central European [GMT+1] Eastern European [GMT+2] Moscow [GMT+3] USSR Zone 3 [GMT+4] USSR Zone 4 [GMT+5] USSR Zone 5 [GMT+6] USSR Zone 6 [GMT+7] China Coast [GMT+8] Japan Standard [GMT+9] Guam Standard [GMT+10] GMT+11 International Date Line East [GMT+12]
Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

Air Temperature (ATMP): 80.6 °F
Water Temperature (WTMP): 81.5 °F
Atmospheric Pressure (PRES): 29.88 in
Wind Speed (WSPD): 12.0 kts
Wind Direction (WDIR): NNE (020 deg)

Data from this station are not quality controlled by NDBC

Previous 25 observations MM DD HHMM
GMT LAT
deg LON
deg WDIR WSPD
kts GST
kts PRES
in PTDY
in ATMP
°F WTMP
°F
08 10 1900 11.44 -22.99 NNE 13 - 29.84 - 81.0 81.5
08 10 1500 11.44 -22.99 N 15 - 29.85 - 81.3 81.3
08 10 1300 11.44 -22.99 NNE 13 - 29.89 - 81.3 81.3
08 10 1000 11.45 -22.99 NNE 15 - 29.88 - 78.8 81.3
08 10 0800 11.46 -22.99 W 12 - 29.85 - 78.1 81.3
08 10 0700 11.45 -22.97 W 14 - 29.83 - 78.3 81.3
08 10 0400 11.45 -22.98 WSW 12 - 29.83 - 80.4 81.3
08 10 0200 11.45 -22.98 WSW 5 - 29.87 - 78.3 81.3
08 09 2100 11.45 -22.99 WNW 8 - 29.90 - 77.2 81.5
08 09 2000 11.45 -22.99 W 9 - 29.88 - 77.4 81.7
08 09 1900 11.45 -22.99 WSW 11 - 29.87 - 80.4 81.7
08 09 1600 11.45 -22.99 WSW 12 - 29.86 - 79.7 81.7
08 09 1500 11.45 -22.99 WSW 12 - 29.88 - 80.8 81.5
08 09 1300 11.45 -22.99 WSW 15 - 29.91 - 80.8 81.5
08 09 1000 11.45 -22.99 SW 15 - 29.92 - 79.9 81.3
08 09 0400 11.45 -22.99 WSW 12 - 29.87 - 80.2 81.3
08 09 0200 11.45 -22.99 SW 13 - 29.91 - 80.6 81.3
08 08 2200 11.45 -22.99 WSW 9 - 29.93 - 81.0 81.5
08 08 2100 11.45 -22.99 WSW 11 - 29.92 - 80.6 81.5
08 08 2000 11.45 -22.99 SW 9 - 29.90 - 81.0 81.5
08 08 1900 11.45 -22.99 SW 11 - 29.88 - 81.0 81.7
08 08 1500 11.46 -22.99 SW 9 - 29.89 - 80.8 81.7
08 08 1400 11.45 -22.99 SW 11 - 29.91 - 80.8 81.5
08 08 1300 11.44 -22.99 SW 10 - 29.92 - 80.8 81.3

[wzrgirl1]

What does the wind change mean? Some sort of cyclonic spinning?

[Aquawind]

http://www.ndbc.noaa.gov/maps/tropical_atlantic.shtml

http://weather.noaa.gov/weather/current/GVAC.html

Be watching...

What does the wind change mean? Some sort of cyclonic spinning?

Yes, you can see the winds change direction as a low passes.