Volable · flyability brief

9 am

NOT FLYABLE —

3 km/h

100 m

33 %

low cloudbase

Not flyable — cloudbase too low. Also: XC: thermal energy too low for XC; Local thermals: too little thermal energy; Soaring: wind off the ridge.

10 am

FLYABLE SLED RUN

6 km/h

338 m

57 %

Sled run only — surface wind 5.6 km/h, cloudbase 338 m, low cloud 57 %. Ruled out: XC: thermal energy too low for XC; Local thermals: boundary layer too shallow; Soaring: wind off the ridge.

11 am

FLYABLE SLED RUN

7 km/h

763 m

39 %

Sled run only — surface wind 7.4 km/h, cloudbase 763 m, low cloud 39 %. Ruled out: XC: thermal energy too low for XC; Local thermals: boundary layer too shallow; Soaring: wind off the ridge.

12 pm

FLYABLE LOCAL THERMAL

7 km/h

825 m

25 %

Local thermals — CAPE 400 J/kg, BL 1170 m, surface wind 7.3 km/h. Also possible: Sled run (beginner). Ruled out: XC: thermal energy too low for XC; Soaring: wind off the ridge.

1 pm

INTERMEDIATE LOCAL THERMAL

5 km/h

888 m

27 %

Local thermals — CAPE 560 J/kg, BL 1110 m, surface wind 4.7 km/h. Also possible: Sled run (beginner). Ruled out: XC: boundary layer too shallow; Soaring: wind off the ridge.

2 pm

NOT FLYABLE —

3 km/h

650 m

20 %

precip

Not flyable — rain expected. Also: XC: boundary layer too shallow; Local thermals: boundary layer too shallow; Soaring: wind off the ridge.

3 pm

NOT FLYABLE —

3 km/h

450 m

22 %

precip

Not flyable — rain expected. Also: XC: boundary layer too shallow; Local thermals: boundary layer too shallow; Soaring: wind off the ridge.

4 pm

NOT FLYABLE —

4 km/h

275 m

32 %

precip

Not flyable — rain expected and wind off the ridge. Also: XC: boundary layer too shallow; Local thermals: boundary layer too shallow; Soaring: wind off the ridge.

5 pm

NOT FLYABLE —

5 km/h

100 m

0 %

precip low cloudbase

Not flyable — rain expected and cloudbase too low. Also: XC: boundary layer too shallow; Local thermals: thermals overactive; Soaring: wind off the ridge.