Fri 11/07/2025 1100 AES |
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Wind on the Ground (WNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.24m/s 47 ft/min |
Temperature 5 C It will be cold on the ground. It will be down to -1.6 C in the air. |
XC Potential (4hrs) 8.75km downwind XC or 3.5 km Triangle Possible by Sport Class Pilot. |
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Fri 11/07/2025 1300 AES |
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Wind on the Ground (WNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.21m/s 41 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -0.6 C in the air. |
XC Potential (4hrs) 9km downwind XC or 3 km Triangle Possible by Sport Class Pilot. |
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Fri 11/07/2025 1500 AES |
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Wind on the Ground (WNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 40kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to 0.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Fri 11/07/2025 1700 AES |
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Wind on the Ground (WNW) 29kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (NNE) 43kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -0.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Sat 12/07/2025 1100 AES |
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Wind on the Ground (W) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 90% Updraft Velocity 1.05m/s 206 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -0.6 C in the air. |
XC Potential (4hrs) 72km downwind XC or 45 km Triangle Possible by Sport Class Pilot. |
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Sat 12/07/2025 1300 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 902 m XC Possible but difficult conditions. |
Thermal Quality 60% Updraft Velocity 1.34m/s 263 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to -1 C in the air. |
XC Potential (4hrs) 51km downwind XC or 24 km Triangle Possible by Sport Class Pilot. |
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Sat 12/07/2025 1500 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 40% Updraft Velocity 0.96m/s 188 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to 1.4 C in the air. |
XC Potential (4hrs) 34km downwind XC or 16 km Triangle Possible by Sport Class Pilot. |
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Sat 12/07/2025 1700 AES |
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Wind on the Ground (WNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 3 C It will be cold on the ground. It will be down to -3.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Sun 13/07/2025 1100 AES |
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Wind on the Ground (NNE) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.48m/s 94 ft/min |
Temperature 5 C It will be cold on the ground. It will be down to -1.6 C in the air. |
XC Potential (4hrs) 9km downwind XC or 3 km Triangle Possible by Sport Class Pilot. |
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Sun 13/07/2025 1300 AES |
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Wind on the Ground (NNW) 25kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 36kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 1047 m Great height for flying XC. |
Thermal Quality 30% Updraft Velocity 1.52m/s 298 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -1.5 C in the air. |
XC Potential (4hrs) 33.3km downwind XC or 9 km Triangle Possible by Sport Class Pilot. |
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Sun 13/07/2025 1500 AES |
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Wind on the Ground (NNW) 32kph Dangerous winds! It will be very rough with strong rotor and turbulence. |
Winds Aloft (NNE) 47kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 1.06m/s 208 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to 3.4 C in the air. |
XC Potential (4hrs) 9.75km downwind XC or 1.5 km Triangle Possible by Sport Class Pilot. |
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Sun 13/07/2025 1700 AES |
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Wind on the Ground (NNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (NNE) 58kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -0.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Mon 14/07/2025 1100 AES |
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Wind on the Ground (N) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 815 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.35m/s 265 ft/min |
Temperature 3 C It will be cold on the ground. It will be down to -5.2 C in the air. |
XC Potential (4hrs) 77.5km downwind XC or 55 km Triangle Possible by Sport Class Pilot. |
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Mon 14/07/2025 1300 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1173 m Great height for flying XC. |
Thermal Quality 70% Updraft Velocity 1.77m/s 347 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -5.7 C in the air. |
XC Potential (4hrs) 71.4km downwind XC or 33.6 km Triangle Possible by Sport Class Pilot. |
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Mon 14/07/2025 1500 AES |
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Wind on the Ground (W) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 30% Updraft Velocity 0.77m/s 151 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -0.6 C in the air. |
XC Potential (4hrs) 25.5km downwind XC or 12 km Triangle Possible by Sport Class Pilot. |
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Mon 14/07/2025 1700 AES |
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Wind on the Ground (NW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 2 C It will be cold on the ground. It will be down to -4.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Tue 15/07/2025 1100 AES |
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Wind on the Ground (W) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1043 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.61m/s 316 ft/min |
Temperature 5 C It will be cold on the ground. It will be down to -5.4 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 km Triangle Possible by Sport Class Pilot. |
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Tue 15/07/2025 1300 AES |
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Wind on the Ground (W) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1358 m Great height for flying XC. |
Thermal Quality 80% Updraft Velocity 1.93m/s 378 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to -6.6 C in the air. |
XC Potential (4hrs) 81.6km downwind XC or 38.4 km Triangle Possible by Sport Class Pilot. |
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Tue 15/07/2025 1500 AES |
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Wind on the Ground (WSW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.36m/s 71 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to 0.4 C in the air. |
XC Potential (4hrs) 8.5km downwind XC or 4 km Triangle Possible by Sport Class Pilot. |
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Tue 15/07/2025 1700 AES |
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Wind on the Ground (WNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 3 C It will be cold on the ground. It will be down to -3.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Wed 16/07/2025 1100 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 909 m XC Possible but difficult conditions. |
Thermal Quality 70% Updraft Velocity 1.47m/s 288 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -3.1 C in the air. |
XC Potential (4hrs) 59.5km downwind XC or 28 km Triangle Possible by Sport Class Pilot. |
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Wed 16/07/2025 1300 AES |
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Wind on the Ground (WNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1087 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.71m/s 335 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to -3.9 C in the air. |
XC Potential (4hrs) 63km downwind XC or 25.2 km Triangle Possible by Sport Class Pilot. |
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Wed 16/07/2025 1500 AES |
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Wind on the Ground (WNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 932 m XC Possible but difficult conditions. |
Thermal Quality 40% Updraft Velocity 1.3m/s 255 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to -2.3 C in the air. |
XC Potential (4hrs) 36km downwind XC or 12 km Triangle Possible by Sport Class Pilot. |
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Wed 16/07/2025 1700 AES |
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Wind on the Ground (WNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 3 C It will be cold on the ground. It will be down to -3.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Thu 17/07/2025 1100 AES |
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Wind on the Ground (N) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 0.72m/s 141 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to 0.4 C in the air. |
XC Potential (4hrs) 77.5km downwind XC or 55 km Triangle Possible by Sport Class Pilot. |
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Thu 17/07/2025 1300 AES |
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Wind on the Ground (WNW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1089 m Great height for flying XC. |
Thermal Quality 90% Updraft Velocity 1.7m/s 333 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -1.9 C in the air. |
XC Potential (4hrs) 89.1km downwind XC or 48.6 km Triangle Possible by Sport Class Pilot. |
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Thu 17/07/2025 1500 AES |
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Wind on the Ground (WNW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 930 m XC Possible but difficult conditions. |
Thermal Quality 70% Updraft Velocity 1.27m/s 249 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -0.3 C in the air. |
XC Potential (4hrs) 57.75km downwind XC or 31.5 km Triangle Possible by Sport Class Pilot. |
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Thu 17/07/2025 1700 AES |
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Wind on the Ground (WNW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -0.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Fri 18/07/2025 1100 AES |
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Wind on the Ground (WNW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 928 m XC Possible but difficult conditions. |
Thermal Quality 70% Updraft Velocity 1.5m/s 294 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to -2.3 C in the air. |
XC Potential (4hrs) 57.75km downwind XC or 31.5 km Triangle Possible by Sport Class Pilot. |
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Fri 18/07/2025 1300 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1220 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.85m/s 363 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -3.2 C in the air. |
XC Potential (4hrs) 61.2km downwind XC or 28.8 km Triangle Possible by Sport Class Pilot. |
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Fri 18/07/2025 1500 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1071 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 1.43m/s 280 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -1.7 C in the air. |
XC Potential (4hrs) 51km downwind XC or 24 km Triangle Possible by Sport Class Pilot. |
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Fri 18/07/2025 1700 AES |
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Wind on the Ground (WNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 5 C It will be cold on the ground. It will be down to -1.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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This is aimed primarily at the club level pilot who wants to know what to expect for the next week.
Data is calculated from the GFS model data using the RASP calculations daily.
Wind strengths are graded for aircraft suitability.
Wind speeds are average wind speeds, gusts will be higher.
Conditions are graded for how the average pilot will feel about them.
Great flying conditions for XC
Turbulent XC flying conditions
Dangerous flying conditions
Likely Poor XC flying conditions
Problems? Suggestions? Send me an email....