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Convection conditions forecast for balloning and gliding in Ceska Skalice area
(the spot model elevation 1056 ft msl)
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| | | | | |Height of | | | | |
| Term | Ballooning | Gliding |Base and top |Type of|cloudless | | | |Atmospheric|
| | | |of convective| conv. |convection | T | Tc | Tp |instability|
| | | | clouds |clouds.| above | | | |indicators |
|------|-------------------------------------|-------------| |2000 ft msl| | | |-----------|
| YYGG | Favorable conditions (yes/no/?) | Base | Top | | | | | | Fi |Sl850|
|------|-------------------------------------|------|------|-------|-----------|-----|-----|-----|-----|-----|
| UTC |Surface|Convection|Surface|Convection| hft | hft |Cu/Cb/*| hft |deg.C|deg.C|deg.C| - | - |
| | wind | | wind | | | | | | | | | | |
|------------------------------------------------------------------------------------------------------------|
| 0803 | yes | yes | no | 16 | stab | * | | 3.5| 4.4| -0.9| -14 | 10 |
| 0804 | yes | yes | no | 55 | stab | | | 3.7| 14.1|-10.4| -12 | 10 |
| 0805 | yes | yes | no | 77 | stab | | | 3.9| 20.0|-16.1| -10 | 9 |
| 0806 | yes | yes | no | 84 | stab | | | 4.0| 21.9|-17.9| -9 | 8 |
| 0807 | yes | yes | no | 82 | stab | | | 4.1| 21.6|-17.5| -12 | 8 |
| 0808 | yes | yes | no | 15 | stab | * | | 4.2| 4.9| -0.7| -11 | 7 |
| 0809 | yes | yes | no | 74 | 81 | | | 4.6| 20.2|-15.6| -14 | 7 |
| 0810 | yes | yes | no | 15 | stab | * | | 5.3| 5.5| -0.2| -16 | 7 |
| 0811 | yes | yes | no | 14 | stab | * | | 6.0| 6.1| -0.1| -15 | 7 |
| 0812 | yes | yes | no | 15 | stab | * | | 6.4| 6.7| -0.3| -16 | 7 |
| 0813 | yes | yes | no | 14 | stab | * | | 6.9| 7.1| -0.2| -15 | 7 |
| 0814 | yes | yes | no | 14 | stab | * | | 7.2| 7.5| -0.3| -13 | 6 |
| 0815 | yes | yes | no | 11 | stab | * | | 7.0| 7.3| -0.3| -12 | 6 |
| 0816 | yes | yes | no | 12 | stab | * | | 6.8| 7.5| -0.7| -8 | 5 |
| 0817 | yes | yes | no | 14 | stab | | | 6.5| 8.3| -1.8| -6 | 3 |
| 0818 | yes | yes | no | 54 | stab | | | 6.5| 17.3|-10.8| -6 | 3 |
| 0819 | yes | yes | no | 58 | stab | | | 6.4| 18.1|-11.7| -6 | 3 |
|------------------------------------------------------------------------------------------------------------|
| 0903 | yes | yes | no | 45 | stab | | | 7.4| 15.8| -8.4| -7 | 4 |
| 0904 | yes | yes | no | 50 | stab | | | 7.4| 17.0| -9.6| -6 | 4 |
| 0905 | yes | yes | no | 14 | stab | | | 7.5| 8.8| -1.3| -6 | 4 |
| 0906 | yes | yes | no | 14 | stab | | | 7.5| 8.6| -1.1| -6 | 3 |
| 0907 | ? | yes | yes | no | 11 | stab | * | | 7.6| 7.7| -0.1| -6 | 3 |
| 0908 | ? | yes | yes | no | 11 | stab | * | | 7.7| 7.7| 0.0| -7 | 4 |
| 0909 | yes | yes | no | 11 | stab | * | | 7.9| 7.9| 0.0| -7 | 4 |
| 0910 | yes | yes | no | 14 | stab | * | | 8.3| 8.6| -0.3| -8 | 4 |
| 0911 | yes | yes | no | 14 | stab | * | | 8.8| 9.2| -0.4| -8 | 3 |
| 0912 | yes | yes | no | 16 | 21 | * | | 9.5| 9.9| -0.4| -8 | 3 |
| 0913 | yes | yes | no | 16 | stab | * | | 9.8| 10.3| -0.5| -7 | 1 |
| 0914 | yes | yes | no | 17 | 25 | * | | 9.8| 10.7| -0.9| -7 | 2 |
| 0915 | yes | yes | no | 17 | stab | | | 9.4| 10.8| -1.4| -7 | 2 |
| 0916 | yes | yes | no | 20 | 41 | | | 9.1| 11.2| -2.1| -7 | 3 |
| 0917 | yes | yes | no | 25 | 41 | | | 8.7| 12.0| -3.3| -8 | 3 |
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Notes: 1. T - surface temperature - 2 m AGL
2. Tc - convective temperature
3. Tp - thermal deficit (the dufference between the surface temperature and the convective temperature ( T-Tc))
4. Cloud's base and top are determined relative to MSL
5. "*" - unpossible to determine the cloud's type
6. "-" - the cloud's base height is under the ground level
7. Cloudless convection - the height represents the top level. This determines the upper height of instable
atmospheric layer, provided the conditions for development of convective clouds (Cu/Cb) are not satisfied.
8. Fi - Faust index (a (in)stability parameter) [-]
9. SI850 - Showalter Index (a (in)stability parameter) [-]
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