revised April 2, 2004; reviewed April 2, 2004
To ftp data, go to the links listed below. The GRIB binary data file contains 57 records: one for each projection from 00 to 168 hours at 3-h intervals on a 1 deg x 1 deg global grid. gif image files are also available. Please send questions and comments to Lawrence D. Burroughs at ncep.emc.marine.meteorology@noaa.gov
See "About the NCEP Global Vessel Icing Guidance" to find out the differences between the new and old versions of this product.
Table 1. Animation selection table. Each animation has 57 frames with forecasts from 00- through 168-h at 3 hour intervals. The animation has a size of about 1 Mb and takes about 6 minutes to download with a 28.8 K modem.
Model Cycle (UTC) |
Global Animations |
Atlantic Animations |
Pacific Animations |
Scandinavian Animations |
S. Hemisphere Animations |
0000 |
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0600 |
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1200 |
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1800 |
Table 2. Individual forecast selection table. Within each depiction column are the numbers 00, 06, 12, and 18; these are the model run times for the projection hour.
Projection Hour |
Global Depiction |
Atlantic Depiction |
Pacific Depiction |
Scandinavian Depiction |
S. Hemisphere Depiction |
00 |
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03 |
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06 |
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09 |
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12 |
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15 |
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18 |
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21 |
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24 |
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30 |
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36 |
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42 |
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48 |
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54 |
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60 |
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66 |
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72 |
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84 |
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96 |
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108 |
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120 |
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132 |
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144 |
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156 |
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168 |