//风速:风力
var wind_scale = { 0: 0, 1: 1, 2: 2, 3: 2, 4: 3, 5: 3, 6: 4, 7: 4, 8: 5, 9: 5, 10: 5, 11: 6, 12: 6, 13: 6, 14: 7, 15: 7, 16: 7, 17: 7, 18: 8, 19: 8, 20: 8, 21: 9, 22: 9, 23: 9, 24: 9, 25: 10, 26: 10, 27: 10, 28: 10, 29: 11, 30: 11, 31: 11, 32: 11, 33: 12, 34: 12, 35: 12, 36: 12, 37: 13, 38: 13, 39: 13, 40: 13, 41: 13, 42: 14, 43: 14, 44: 14, 45: 14, 46: 14, 47: 15, 48: 15, 49: 15, 50: 15, 51: 16, 52: 16, 53: 16, 54: 16, 55: 16, 56: 16, 57: 17, 58: 17, 59: 17, 60: 17, 61: 17, 62: 17, 63: 17, 64: 17, 65: 17, 66: 17, 67: 17, 68: 17, 69: 17, 70: 17, 71: 17, 72: 17, 73: 17, 74: 17, 75: 17, 76: 17, "NaN": "" }