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Wed 08/04/2026 1100 AES |
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Wind on the Ground (NW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1167 m Great height for flying XC. |
Thermal Quality 80% Updraft Velocity 2m/s 392 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 4.3 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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Wed 08/04/2026 1300 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: light |
Thermal Height 1217 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 2.06m/s 404 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 5.8 C in the air. |
XC Potential (4hrs) 64.8km downwind XC or 21.6 km Triangle Possible by Sport Class Pilot. |
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Wed 08/04/2026 1500 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 1149 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.69m/s 331 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 6.5 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 08/04/2026 1700 AES |
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Wind on the Ground (WNW) 18kph 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 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 9.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Fri 10/04/2026 1100 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 1145 m Great height for flying XC. |
Thermal Quality 30% Updraft Velocity 1.93m/s 378 ft/min |
Temperature 14 C It will be cold on the ground. It will be down to 2.6 C in the air. |
XC Potential (4hrs) 33.3km downwind XC or 9 km Triangle Possible by Sport Class Pilot. |
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Fri 10/04/2026 1300 AES |
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Wind on the Ground (NW) 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: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 20% Updraft Velocity 1.03m/s 202 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) 19km downwind XC or 4 km Triangle Possible by Sport Class Pilot. |
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Fri 10/04/2026 1500 AES |
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Wind on the Ground (WNW) 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 657 m XC Possible but difficult conditions. |
Thermal Quality 20% Updraft Velocity 1.13m/s 221 ft/min |
Temperature 12 C It will be cold on the ground. It will be down to 5.4 C in the air. |
XC Potential (4hrs) 19km downwind XC or 4 km Triangle Possible by Sport Class Pilot. |
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Fri 10/04/2026 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: high |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 11 C It will be cold on the ground. It will be down to 4.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Fri 10/04/2026 1100 AES |
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Wind on the Ground (NW) 25kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 29kph 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 0.66m/s 129 ft/min |
Temperature 14 C It will be cold on the ground. It will be down to 7.4 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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Fri 10/04/2026 1300 AES |
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Wind on the Ground (NW) 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: high |
Thermal Height 1043 m Great height for flying XC. |
Thermal Quality 30% Updraft Velocity 1.51m/s 296 ft/min |
Temperature 15 C It will be cool on the ground. It will be down to 4.6 C in the air. |
XC Potential (4hrs) 33.3km downwind XC or 9 km Triangle Possible by Sport Class Pilot. |
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Fri 10/04/2026 1500 AES |
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Wind on the Ground (WNW) 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: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 20% Updraft Velocity 0.88m/s 172 ft/min |
Temperature 14 C It will be cold on the ground. It will be down to 7.4 C in the air. |
XC Potential (4hrs) 19km downwind XC or 4 km Triangle Possible by Sport Class Pilot. |
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Fri 10/04/2026 1700 AES |
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Wind on the Ground (WNW) 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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Sat 11/04/2026 1100 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 1740 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 2.63m/s 515 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to -9.4 C in the air. |
XC Potential (4hrs) 57km downwind XC or 12 km Triangle Possible by Sport Class Pilot. |
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Sat 11/04/2026 1300 AES |
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Wind on the Ground (W) 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 2143 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 2.9m/s 568 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to -11.4 C in the air. |
XC Potential (4hrs) 61.75km downwind XC or 13 km Triangle Possible by Sport Class Pilot. |
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Sat 11/04/2026 1500 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 1933 m Great height for flying XC. |
Thermal Quality 40% Updraft Velocity 2.42m/s 474 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to -9.3 C in the air. |
XC Potential (4hrs) 45.6km downwind XC or 9.6 km Triangle Possible by Sport Class Pilot. |
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Sat 11/04/2026 1700 AES |
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Wind on the Ground (W) 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 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 12/04/2026 1100 AES |
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Wind on the Ground (SW) 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 1155 m Great height for flying XC. |
Thermal Quality 40% Updraft Velocity 1.76m/s 345 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) 44.4km downwind XC or 12 km Triangle Possible by Sport Class Pilot. |
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Sun 12/04/2026 1300 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: high |
Thermal Height 988 m XC Possible but difficult conditions. |
Thermal Quality 30% Updraft Velocity 1.3m/s 255 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -0.9 C in the air. |
XC Potential (4hrs) 27.75km downwind XC or 7.5 km Triangle Possible by Sport Class Pilot. |
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Sun 12/04/2026 1500 AES |
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Wind on the Ground (WSW) 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 657 m XC Possible but difficult conditions. |
Thermal Quality 20% Updraft Velocity 0.7m/s 137 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) 17.5km downwind XC or 7 km Triangle Possible by Sport Class Pilot. |
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Sun 12/04/2026 1700 AES |
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Wind on the Ground (W) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 32kph 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 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 13/04/2026 1100 AES |
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Wind on the Ground (SSW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1255 m Great height for flying XC. |
Thermal Quality 70% Updraft Velocity 2.08m/s 408 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 0.4 C in the air. |
XC Potential (4hrs) 73.5km downwind XC or 29.4 km Triangle Possible by Sport Class Pilot. |
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Mon 13/04/2026 1300 AES |
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Wind on the Ground (SSW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1345 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 2.17m/s 425 ft/min |
Temperature 15 C It will be cool on the ground. It will be down to 1.6 C in the air. |
XC Potential (4hrs) 102km downwind XC or 48 km Triangle Possible by Sport Class Pilot. |
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Mon 13/04/2026 1500 AES |
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Wind on the Ground (SSW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1279 m Great height for flying XC. |
Thermal Quality 80% Updraft Velocity 1.77m/s 347 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 3.2 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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Mon 13/04/2026 1700 AES |
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Wind on the Ground (S) 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 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 14 C It will be cold on the ground. It will be down to 7.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Tue 14/04/2026 1100 AES |
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Wind on the Ground (NNE) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 1172 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.94m/s 380 ft/min |
Temperature 15 C It will be cool on the ground. It will be down to 3.3 C in the air. |
XC Potential (4hrs) 63km downwind XC or 25.2 km Triangle Possible by Sport Class Pilot. |
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Tue 14/04/2026 1300 AES |
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Wind on the Ground (N) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 1542 m Great height for flying XC. |
Thermal Quality 70% Updraft Velocity 2.29m/s 449 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 1.6 C in the air. |
XC Potential (4hrs) 73.5km downwind XC or 29.4 km Triangle Possible by Sport Class Pilot. |
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Tue 14/04/2026 1500 AES |
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Wind on the Ground (N) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 1577 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.93m/s 378 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 2.2 C in the air. |
XC Potential (4hrs) 63km downwind XC or 25.2 km Triangle Possible by Sport Class Pilot. |
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Tue 14/04/2026 1700 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 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 9.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Wed 15/04/2026 1100 AES |
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Wind on the Ground (WNW) 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 1259 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 2.02m/s 396 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 3.4 C in the air. |
XC Potential (4hrs) 52.5km downwind XC or 21 km Triangle Possible by Sport Class Pilot. |
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Wed 15/04/2026 1300 AES |
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Wind on the Ground (WNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 29kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 1652 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 2.38m/s 466 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 1.5 C in the air. |
XC Potential (4hrs) 64.8km downwind XC or 21.6 km Triangle Possible by Sport Class Pilot. |
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Wed 15/04/2026 1500 AES |
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Wind on the Ground (WNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 29kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 1683 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 2.01m/s 394 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 1.2 C in the air. |
XC Potential (4hrs) 54km downwind XC or 18 km Triangle Possible by Sport Class Pilot. |
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Wed 15/04/2026 1700 AES |
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Wind on the Ground (W) 11kph 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 16 C It will be cool on the ground. It will be down to 9.4 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. 
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Wind speeds are average wind speeds, gusts will be higher.
Conditions are graded for how the average pilot will feel about them. ![]()
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Great flying conditions for XC
Turbulent XC flying conditions
Dangerous flying conditions
Likely Poor XC flying conditions
Problems? Suggestions? Send me an email....