WIND STRENGTH CHART
-------------------

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|               | Wind in |                                   | Weather Fore- |
|Reporting Terms|  M.P.H. | Specifications for Use on Land    | cast Terms    |
|_______________| _______ | ______________________________    | _____________ |
+---------------+---------+-----------------------------------+---------------+
|               |         |                                   |               |
|Calm           | Under 1 | Smoke rises vertically            | Light         |
|               |         |                                   |               |
|               |         |                                   |               |
|Light Air      |  1 - 3  | Direction of wind shown by smoke  | Light         |
|               |         | drift, but not by wind vanes      |               |
|               |         |                                   |               |
|Slight Breeze  |  4 - 7  | Wind felt on face; leaves rustle; | Light         |
|               |         | ordinary vane movement            |               |
|               |         |                                   |               |
|Gentle Breeze  |  8 - 12 | Leaves & small twigs in constant  | Gentle        |
|               |         | motion; light flags extended      |               |
|               |         |                                   |               |
|Moderate Breeze| 13 - 18 | Raises dust & loose paper; small  | Moderate      |
|               |         | branches move                     |               |
|               |         |                                   |               |
|Fresh Breeze   | 19 - 24 | Sm. trees in leaf begin to sway;  | Fresh         |
|               |         | crested wavelets on inland water  |               |
|               |         |                                   |               |
|Strong Breeze  | 25 - 31 | Large branches in motion; whis-   | Strong        |
|               |         | tling heard in telephone wires    |               |
|               |         |                                   |               |
|High Breeze    | 32 - 38 | Whole trees in motion; inconve-   | Strong        |
|               |         | nience in walking against wind    |               |
|               |         |                                   |               |
|Gale           | 39 - 46 | Breaks twigs off trees; general-  | Gale          |
|               |         | ly impedes progress               |               |
|               |         |                                   |               |
|Strong Gale    | 47 - 54 | Slight structural damage occurs   | Whole Gale    |
|               |         |                                   |               |
|               |         |                                   |               |
|Whole Gale     | 55 - 63 | Seldomly experienced inland, trees| Whole Gale    |
|               |         | uprooted; much damage occurs      |               |
|               |         |                                   |               |
|Storm          | 64 - 75 | Very rarely experienced; accompa- | Whole Gale    |
|               |         | nied by widespread damage         |               |
|               |         |                                   |               |
|Hurricane      |   75+   |                                   | Hurricane     |
|               |         |                                   |               |
|               |         |                                   |               |
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