Hurricane Guillermo (2015)
- July 2015
- Category 2 peak
- Within 100 km of Kauai
Guillermo came within 80 km of Kauai, passing to the north as post-tropical remnants on 7 August 2015. It had peaked far out at sea at 95 kt and was weakening as it neared the islands. At 00:00 UTC on 1 August 2015 the official forecast had it passing within 4 km of Hawaii about 128 hours later — considerably closer than it eventually came.
Replay the forecasts, advisory by advisory
- Peak intensity
- 95 kt (109 mph) Category 2
- Lowest pressure
- 967 mb
- Closest pass
- 80 km (50 mi) from Kauai
- When
- 7 August 2015
- Distance from Honolulu
- 135 km (84 mi)
- Lifetime
- 12 days 27 July 2015 – 8 August 2015
- Official forecasts
- 36
- Approached from the
- north
The closest pass
At its closest, Guillermo was 80 km (50 mi) from Kauai on 7 August 2015, as a remnant low with 30 kt (35 mph) winds, approaching from the north.
The forecasts
The archive holds 36 official forecast packages for Guillermo, issued between 30 July 2015 and 7 August 2015. The replay shows each one as it stood at the moment it was issued — not the track we know now.
| Lead time | Mean track error |
|---|---|
| 24 h | 57 nm |
| 48 h | 77 nm |
| 72 h | 103 nm |