Paragliding World Cup Sopot Weather Forecast 9 Sep

  

Summary of the Day

Similar day but weaker.

The day will evolve slower than yesterday

High Density air with a shear level at 1400 with switching winds, and 2000m thermal inversion

Thermals are similar 2.5-3m/s

Rare clouds above the ridge at 2700-3000m but less coverage than the previous day

North wind with some turbulence above 1400m

Details:

Barometric pressure: 1011mb dropping

Temperatures: 15-27 C  - good thermal triggering 

Dewpoint: 8 to the mountains and 9 C in the valley similar to yesterday.  

Humidity at low level: 30% less than previous day by 5% 

Humidity Boundary layer: 50%  similar

Cloud base: 2700m and 3000m at higher ground

Cloud tops:  +500m

Cloud types:  Cu across the ridge more to the west

Cloud Coverage: less than 10%

Inversion levels: 1400m with wind change S to N and 2000m (same to yesterday)

Energy flow:  50 mountain-200 valley W/m2, less than yesterday, weaker thermals and longer thermal cycles

Average Thermal expected +2,5m/s  

Thermal tops: Initially max 1800 in the valley, later up to 2500m at 15.00 and 2650 at 16.00. 

Thermals at Altitude: +2m/s at 800m, 2.7m/s at 1200m   

Ideal Thermal Zone:   1000-1500m

WINDS at 14:00 

Wind Gust at Surface: 30+kph at take off at 15.00

0m:  South 10 kph

600m:  South 10 kph

1200m:  South <10 kph

1800m: NE 15 kph  

2400m N 20 kph  

3000m NW 18 kph  

3600m: NW 18 kph

Conditions start Organizing: 13.00

Conditions decline after: 16:00 

Conditions Best Period: 13:00-16:00h   

Conditions Peak time: at 15.00h 

Duration of Conditions:  3 h

Calculated XC Speed:  35 kph  

Expected Task Distance   90 Km max

Convergence lines: mountain ridge

Rain Forecast:  N/S

SKEW-T