Fri 23/05/2025 1100 AES |
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Wind on the Ground (ENE) 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 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 6.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Fri 23/05/2025 1300 AES |
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Wind on the Ground (ENE) 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 0.87m/s 171 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 6.4 C in the air. |
XC Potential (4hrs) 34km downwind XC or 16 km Triangle Possible by Sport Class Pilot. |
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Fri 23/05/2025 1500 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: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.46m/s 90 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 6.4 C in the air. |
XC Potential (4hrs) 8.5km downwind XC or 4 km Triangle Possible by Sport Class Pilot. |
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Fri 23/05/2025 1700 AES |
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Wind on the Ground (NNW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 11kph 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 9 C It will be cold on the ground. It will be down to 2.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Sat 24/05/2025 1100 AES |
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Wind on the Ground (NW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 25kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 897 m XC Possible but difficult conditions. |
Thermal Quality 40% Updraft Velocity 1.42m/s 278 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to 1 C in the air. |
XC Potential (4hrs) 35km downwind XC or 14 km Triangle Possible by Sport Class Pilot. |
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Sat 24/05/2025 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: extreme |
Thermal Height 1162 m Great height for flying XC. |
Thermal Quality 30% Updraft Velocity 1.81m/s 355 ft/min |
Temperature 12 C It will be cold on the ground. It will be down to 0.4 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 24/05/2025 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: high |
Thermal Height 1184 m Great height for flying XC. |
Thermal Quality 20% Updraft Velocity 1.42m/s 278 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 1.2 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 24/05/2025 1700 AES |
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Wind on the Ground (NNW) 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 9 C It will be cold on the ground. It will be down to 2.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Sun 25/05/2025 1100 AES |
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Wind on the Ground (NNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 25kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: high |
Thermal Height 943 m XC Possible but difficult conditions. |
Thermal Quality 40% Updraft Velocity 1.52m/s 298 ft/min |
Temperature 11 C It will be cold on the ground. It will be down to 1.6 C in the air. |
XC Potential (4hrs) 35km downwind XC or 14 km Triangle Possible by Sport Class Pilot. |
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Sun 25/05/2025 1300 AES |
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Wind on the Ground (NNW) 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 1348 m Great height for flying XC. |
Thermal Quality 30% Updraft Velocity 1.94m/s 380 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to -0.5 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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Sun 25/05/2025 1500 AES |
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Wind on the Ground (NNW) 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 1085 m Great height for flying XC. |
Thermal Quality 20% Updraft Velocity 1.34m/s 263 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 2.2 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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Sun 25/05/2025 1700 AES |
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Wind on the Ground (N) 29kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (NNE) 50kph 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 9 C It will be cold on the ground. It will be down to 2.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Mon 26/05/2025 1100 AES |
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Wind on the Ground (WNW) 36kph 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: high |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.61m/s 120 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) 10km downwind XC or 1 km Triangle Possible by Sport Class Pilot. |
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Mon 26/05/2025 1300 AES |
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Wind on the Ground (WNW) 32kph 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 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.59m/s 116 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) 9.75km downwind XC or 1.5 km Triangle Possible by Sport Class Pilot. |
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Mon 26/05/2025 1500 AES |
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Wind on the Ground (WNW) 43kph Dangerous winds! It will be very rough with strong rotor and turbulence. |
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 0.35m/s 69 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 26/05/2025 1700 AES |
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Wind on the Ground (WNW) 40kph Dangerous winds! It will be very rough with strong rotor and turbulence. |
Winds Aloft (NNE) 76kph 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 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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Tue 27/05/2025 1100 AES |
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Wind on the Ground (WSW) 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 1055 m Great height for flying XC. |
Thermal Quality 20% Updraft Velocity 1.45m/s 284 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -4.6 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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Tue 27/05/2025 1300 AES |
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Wind on the Ground (WSW) 29kph 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 1134 m Great height for flying XC. |
Thermal Quality 30% Updraft Velocity 1.56m/s 306 ft/min |
Temperature 7 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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Tue 27/05/2025 1500 AES |
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Wind on the Ground (WSW) 25kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 32kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 20% Updraft Velocity 0.9m/s 176 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) 18.5km downwind XC or 5 km Triangle Possible by Sport Class Pilot. |
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Tue 27/05/2025 1700 AES |
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Wind on the Ground (W) 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: extreme |
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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Wed 28/05/2025 1100 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 40% Updraft Velocity 0.4m/s 78 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) 32km downwind XC or 20 km Triangle Possible by Sport Class Pilot. |
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Wed 28/05/2025 1300 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 30% Updraft Velocity 0.43m/s 84 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) 24km downwind XC or 15 km Triangle Possible by Sport Class Pilot. |
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Wed 28/05/2025 1500 AES |
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Wind on the Ground (NW) 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 30% Updraft Velocity 0.28m/s 55 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) 24km downwind XC or 15 km Triangle Possible by Sport Class Pilot. |
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Wed 28/05/2025 1700 AES |
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Wind on the Ground (NW) 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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Thu 29/05/2025 1100 AES |
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Wind on the Ground (S) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 962 m XC Possible but difficult conditions. |
Thermal Quality 70% Updraft Velocity 1.47m/s 288 ft/min |
Temperature 11 C It will be cold on the ground. It will be down to 1.4 C in the air. |
XC Potential (4hrs) 59.5km downwind XC or 28 km Triangle Possible by Sport Class Pilot. |
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Thu 29/05/2025 1300 AES |
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Wind on the Ground (SE) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 1287 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.78m/s 349 ft/min |
Temperature 12 C It will be cold on the ground. It will be down to -0.9 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Thu 29/05/2025 1500 AES |
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Wind on the Ground (S) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 940 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.22m/s 239 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) 80km downwind XC or 50 km Triangle Possible by Sport Class Pilot. |
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Thu 29/05/2025 1700 AES |
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Wind on the Ground (S) 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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Fri 30/05/2025 1100 AES |
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Wind on the Ground (W) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 0kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 933 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.43m/s 280 ft/min |
Temperature 11 C It will be cold on the ground. It will be down to 1.7 C in the air. |
XC Potential (4hrs) 77.5km downwind XC or 55 km Triangle Possible by Sport Class Pilot. |
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Fri 30/05/2025 1300 AES |
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Wind on the Ground (W) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 1209 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.72m/s 337 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 0.9 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Fri 30/05/2025 1500 AES |
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Wind on the Ground (SW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 995 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.22m/s 239 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 3.1 C in the air. |
XC Potential (4hrs) 80km downwind XC or 50 km Triangle Possible by Sport Class Pilot. |
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Fri 30/05/2025 1700 AES |
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Wind on the Ground (WSW) 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 0% Updraft Velocity 0m/s 0 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) 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....