Wed 16/07/2025 1100 AES |
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Wind on the Ground (NW) 11kph 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 30% Updraft Velocity 0.67m/s 131 ft/min |
Temperature 4 C It will be cold on the ground. It will be down to -2.6 C in the air. |
XC Potential (4hrs) 24.75km downwind XC or 13.5 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 (NW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 50% Updraft Velocity 0.65m/s 127 ft/min |
Temperature 4 C It will be cold on the ground. It will be down to -2.6 C in the air. |
XC Potential (4hrs) 40km downwind XC or 25 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 (NNW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 50% Updraft Velocity 0.72m/s 141 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) 41.25km downwind XC or 22.5 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 (N) 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 4 C It will be cold on the ground. It will be down to -2.6 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 (NW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 790 m XC Possible but difficult conditions. |
Thermal Quality 50% Updraft Velocity 1.22m/s 239 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -1.9 C in the air. |
XC Potential (4hrs) 41.25km downwind XC or 22.5 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 (NW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 900 m XC Possible but difficult conditions. |
Thermal Quality 60% Updraft Velocity 1.42m/s 278 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to -2 C in the air. |
XC Potential (4hrs) 49.5km downwind XC or 27 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 (NW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 827 m XC Possible but difficult conditions. |
Thermal Quality 40% Updraft Velocity 1.2m/s 235 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to -0.3 C in the air. |
XC Potential (4hrs) 34km downwind XC or 16 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 (N) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
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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Fri 18/07/2025 1100 AES |
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Wind on the Ground (WNW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 1032 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.6m/s 314 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to -3.3 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 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) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1200 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.81m/s 355 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to -4 C in the air. |
XC Potential (4hrs) 102km downwind XC or 48 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) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1004 m Great height for flying XC. |
Thermal Quality 80% Updraft Velocity 1.35m/s 265 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -1 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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Fri 18/07/2025 1700 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: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 4 C It will be cold on the ground. It will be down to -2.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Sat 19/07/2025 1100 AES |
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Wind on the Ground (N) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: high |
Thermal Height 909 m XC Possible but difficult conditions. |
Thermal Quality 50% Updraft Velocity 1.52m/s 298 ft/min |
Temperature 5 C It will be cold on the ground. It will be down to -4.1 C in the air. |
XC Potential (4hrs) 42.5km downwind XC or 20 km Triangle Possible by Sport Class Pilot. |
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Sat 19/07/2025 1300 AES |
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Wind on the Ground (NW) 29kph 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: high |
Thermal Height 1229 m Great height for flying XC. |
Thermal Quality 30% Updraft Velocity 1.89m/s 370 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to -4.3 C in the air. |
XC Potential (4hrs) 34.2km downwind XC or 7.2 km Triangle Possible by Sport Class Pilot. |
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Sat 19/07/2025 1500 AES |
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Wind on the Ground (NW) 29kph 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: moderate |
Thermal Height 1028 m Great height for flying XC. |
Thermal Quality 20% Updraft Velocity 1.4m/s 274 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to -2.3 C in the air. |
XC Potential (4hrs) 22.8km downwind XC or 4.8 km Triangle Possible by Sport Class Pilot. |
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Sat 19/07/2025 1700 AES |
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Wind on the Ground (NW) 25kph 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: high |
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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Sun 20/07/2025 1100 AES |
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Wind on the Ground (SSE) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 0kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 971 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.53m/s 300 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to -2.7 C in the air. |
XC Potential (4hrs) 77.5km downwind XC or 55 km Triangle Possible by Sport Class Pilot. |
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Sun 20/07/2025 1300 AES |
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Wind on the Ground (WNW) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1162 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.75m/s 343 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -2.6 C in the air. |
XC Potential (4hrs) 93km downwind XC or 66 km Triangle Possible by Sport Class Pilot. |
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Sun 20/07/2025 1500 AES |
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Wind on the Ground (N) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1122 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.39m/s 272 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to -1.2 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Sun 20/07/2025 1700 AES |
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Wind on the Ground (NNE) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
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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Mon 21/07/2025 1100 AES |
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Wind on the Ground (NNE) 29kph 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 955 m XC Possible but difficult conditions. |
Thermal Quality 30% Updraft Velocity 1.52m/s 298 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to 0.4 C in the air. |
XC Potential (4hrs) 28.5km downwind XC or 6 km Triangle Possible by Sport Class Pilot. |
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Mon 21/07/2025 1300 AES |
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Wind on the Ground (N) 36kph Dangerous winds! It will be very rough with strong rotor and turbulence. |
Winds Aloft (NNE) 54kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 1456 m Great height for flying XC. |
Thermal Quality 20% Updraft Velocity 1.99m/s 390 ft/min |
Temperature 12 C It will be cold on the ground. It will be down to -2.6 C in the air. |
XC Potential (4hrs) 24km downwind XC or 2.4 km Triangle Possible by Sport Class Pilot. |
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Mon 21/07/2025 1500 AES |
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Wind on the Ground (N) 36kph Dangerous winds! It will be very rough with strong rotor and turbulence. |
Winds Aloft (NNE) 50kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 1070 m Great height for flying XC. |
Thermal Quality 20% Updraft Velocity 1.36m/s 267 ft/min |
Temperature 12 C It will be cold on the ground. It will be down to 1.3 C in the air. |
XC Potential (4hrs) 24km downwind XC or 2.4 km Triangle Possible by Sport Class Pilot. |
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Mon 21/07/2025 1700 AES |
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Wind on the Ground (NNE) 25kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (NNE) 65kph 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 10 C It will be cold on the ground. It will be down to 3.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Tue 22/07/2025 1100 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 0.51m/s 100 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) 9.75km downwind XC or 1.5 km Triangle Possible by Sport Class Pilot. |
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Tue 22/07/2025 1300 AES |
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Wind on the Ground (N) 36kph Dangerous winds! It will be very rough with strong rotor and turbulence. |
Winds Aloft (NNE) 54kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 950 m XC Possible but difficult conditions. |
Thermal Quality 20% Updraft Velocity 1.43m/s 280 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to 0.5 C in the air. |
XC Potential (4hrs) 20km downwind XC or 2 km Triangle Possible by Sport Class Pilot. |
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Tue 22/07/2025 1500 AES |
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Wind on the Ground (NW) 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: high |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.45m/s 88 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) 9.25km downwind XC or 2.5 km Triangle Possible by Sport Class Pilot. |
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Tue 22/07/2025 1700 AES |
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Wind on the Ground (NW) 22kph 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: high |
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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Wed 23/07/2025 1100 AES |
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Wind on the Ground (NNE) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1030 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.5m/s 294 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to -0.3 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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Wed 23/07/2025 1300 AES |
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Wind on the Ground (N) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1289 m Great height for flying XC. |
Thermal Quality 70% Updraft Velocity 1.77m/s 347 ft/min |
Temperature 11 C It will be cold on the ground. It will be down to -1.9 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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Wed 23/07/2025 1500 AES |
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Wind on the Ground (N) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1172 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 1.37m/s 269 ft/min |
Temperature 11 C It will be cold on the ground. It will be down to -0.7 C in the air. |
XC Potential (4hrs) 51km downwind XC or 24 km Triangle Possible by Sport Class Pilot. |
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Wed 23/07/2025 1700 AES |
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Wind on the Ground (NNW) 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 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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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....