XC Skies - GFS

Fri: Yuk

July 23rd, 2008Mark Dowsett
in
Jul 25 2008 - 01:28

Forecast

Forecast Period: 
13:00
Surface Wind Direction: 
W
Wind Direction at Top of Usable Lift: 
W
Rating of Local Soaring: 
0
Rating For going XC: 
0

Not looking good...

Thu: Now it's not looking so good

July 23rd, 2008Mark Dowsett
in
Jul 24 2008 - 01:25

Forecast

Forecast Period: 
16:00
Surface Wind Direction: 
NW
Surface Wind Speed: 
15km/h
Wind Direction at Top of Usable Lift: 
NW
Wind Speed at Top of Usable Lift: 
19km/h
Rating of Local Soaring: 
0
Rating For going XC: 
0

Now the forecast looks like crap (Until MAYBE Sat)

Tue: Looks real good

July 1st, 2008Mark Dowsett
in
Jul 1 2008 - 05:56

Forecast

Forecast Period: 
13:00
Surface Wind Direction: 
W
Surface Wind Speed: 
19km/h
Wind Direction at Top of Usable Lift: 
W
Wind Speed at Top of Usable Lift: 
26km/h
Climb rate (fpm): 
500fpm
Top of Useable Lift (ASL): 
2000'
Thermal Tops: 
5250' ASL
Top of Useable Lift (AGL): 
1000'
Buoyancy / Sheer Ratio: 
4
Rating of Local Soaring: 
8
Rating For going XC: 
7

Actuals

Wind Direction: 
W
Wind Speed: 
13km/h
Climb Rate: 
100fpm
4200ft

The only hitch in the forecast I see is there may be some high clouds and no or few cu's. The B/S ratio isn't all that great but should be fine. I'm hoping the "Thermal Top" field is what is most accurate!