Decode the Winds and Temperature Aloft Forecast excerpt for OKC at 39,000 feet: FT 3000 6000 39000 OKC 830558. Which statement is correct?

Decode the Winds and Temperature Aloft Forecast excerpt for OKC at 39,000 feet: FT 3000 6000 39000 OKC 830558. Which statement is correct?

• A. Wind 330° at 105 knots, temperature -58°C
• B. Wind 130° at 50 knots, temperature -58°C
• C. Wind 330° at 205 knots, temperature -58°C
• D. Wind 340° at 105 knots, temperature -60°C

Answer: (A)

Winds and Temperature Aloft forecasts encode the wind direction, wind speed, and temperature for each listed flight level in a compact six‑digit group after the station name. For the 39,000‑foot level at OKC, the six digits are interpreted together to give the wind and temperature at that altitude. Reading 830558 this way yields a wind from 330 degrees with a speed of 105 knots and a temperature of -58°C. That matches the statement stating 330° at 105 knots with -58°C, so it is the correct choice. The other options propose wind directions, speeds, or temperatures not supported by the encoded digits for that flight level.

Winds and Temperature Aloft forecasts encode the wind direction, wind speed, and temperature for each listed flight level in a compact six‑digit group after the station name. For the 39,000‑foot level at OKC, the six digits are interpreted together to give the wind and temperature at that altitude. Reading 830558 this way yields a wind from 330 degrees with a speed of 105 knots and a temperature of -58°C. That matches the statement stating 330° at 105 knots with -58°C, so it is the correct choice. The other options propose wind directions, speeds, or temperatures not supported by the encoded digits for that flight level.