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TYPHOON BILLIE 12 - 17 JULY 1959
POSITION AND FORECAST VERIFICATION DATA
| DTG | STORM POSITION | 12 HR ERROR DEG. DISTANCE |
24 HR ERROR DEG. DISTANCE | |
|---|---|---|---|---|
| LAT. | LONG. | |||
| 120000Z | 12.6N | 131.7E | ---- | ---- |
| 121200Z | 13.4N | 130.8E | ---- | ---- |
| 120600Z | 14.2N | 130.2E | --- | --- |
| 121800Z | 15.0N | 129.6E | 185-71 | ---- |
| 130000Z | 15.7N | 129.1E | 196-98 | ---- |
| 130600Z | 16.3N | 128.6E | 211-66 | 198-145 |
| 131200Z | 17.2N | 128.0E | 188-40 | 200-170 |
| 131800Z | 18.2N | 127.2E | 121-71 | 201-125 |
| 140000Z | 19.2N | 126.5E | 230-85 | 180-80 |
| 140600Z | 20.3N | 125.9E | 326-33 | 145-172 |
| 141200Z | 21.5N | 125.2E | 180-20 | 137-146 |
| 141800Z | 22.7N | 124.5E | 243-20 | 304-38 |
| 150000Z | 23.7N | 123.7E | 239-33 | 173-38 |
| 150600Z | 24.7N | 122.7E | 065-41 | 152-32 |
| 151200Z | 25.4N | 121.8E | 025-17 | 280-08 |
| 151800Z | 26.1N | 120.9E | 012-92 052-115 | |
| 1600002 | 27.ON | 120.2E | 072-50 | 021-210 |
| 160600Z | 28.1N | 120.1E | 355-58 | 007-167 |
| 161200Z | 29.3N | 120.5E | 239 - 76 | 023-46 |
| 161800Z | 30.7N | 121.2E | ---- | 325-104 |
| 170000Z | 32.4N | 122.2E | ---- | ---- |
| 170600Z | 34.7N | 123.5E | ---- | ---- |
AVERAGE 12 HOUR FORECAST ERROR.64.1 NM
AVERAGE 24 HOUR FORECAST ERROR106.4 NM
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