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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 | | | | | | | | | | |
|------------------------------------------------------------------------------------------------------------|
| 0806 | yes | yes | no | 83 | stab | | | 4.2| 22.0|-17.8| -12 | 10 |
| 0807 | yes | yes | no | 73 | stab | | | 4.3| 19.8|-15.5| -13 | 9 |
| 0808 | yes | yes | no | 12 | stab | * | | 4.6| 5.0| -0.4| -14 | 8 |
| 0809 | yes | yes | no | 11 | stab | * | | 5.1| 5.1| 0.0| -17 | 8 |
| 0810 | yes | yes | no | 14 | stab | * | | 5.8| 6.2| -0.4| -17 | 7 |
| 0811 | yes | yes | no | 14 | stab | * | | 6.4| 6.7| -0.3| -16 | 7 |
| 0812 | yes | yes | no | 14 | stab | * | | 6.9| 7.0| -0.1| -15 | 6 |
| 0813 | yes | yes | no | 15 | stab | * | | 7.3| 7.6| -0.3| -15 | 5 |
| 0814 | yes | yes | no | 16 | 23 | * | | 7.5| 8.0| -0.5| -14 | 5 |
| 0815 | yes | yes | no | 17 | stab | | | 7.2| 8.3| -1.1| -12 | 5 |
| 0816 | yes | yes | no | 40 | stab | | | 6.9| 14.0| -7.1| -10 | 4 |
| 0817 | yes | yes | no | 46 | stab | | | 6.7| 15.4| -8.7| -9 | 5 |
| 0818 | yes | yes | no | 49 | 53 | | | 6.7| 16.2| -9.5| -8 | 4 |
| 0819 | yes | yes | no | 14 | stab | | | 6.8| 8.8|/////| -8 | 4 |
| 0820 | yes | yes | no | 14 | stab | | | 7.0| 8.8| -1.8| -6 | 3 |
| 0821 | yes | yes | no | 14 | stab | | | 7.2| 9.0| -1.8| -5 | 2 |
| 0822 | yes | yes | no | 14 | stab | | | 7.3| 9.0| -1.7| -6 | 4 |
|------------------------------------------------------------------------------------------------------------|
| 0903 | yes | yes | no | 42 | stab | | | 8.0| 15.5| -7.5| -5 | 3 |
| 0904 | yes | yes | no | 13 | stab | * | | 8.0| 8.8| -0.8| -5 | 3 |
| 0905 | yes | yes | no | 14 | stab | | | 8.1| 9.2| -1.1| -6 | 4 |
| 0906 | yes | yes | no | 13 | stab | * | | 8.2| 9.2| -1.0| -6 | 4 |
| 0907 | yes | yes | no | 14 | stab | | | 8.4| 9.6| -1.2| -6 | 5 |
| 0908 | ? | yes | yes | no | 14 | stab | * | | 8.8| 9.5| -0.7| -6 | 4 |
| 0909 | ? | yes | yes | no | 14 | stab | * | | 9.2| 9.6| -0.4| -5 | 4 |
| 0910 | ? | yes | yes | no | 15 | stab | * | | 9.6| 9.8| -0.2| -6 | 4 |
| 0911 | ? | ? | yes | ? | 17 | 31 | * | | 10.1| 10.4| -0.3| -6 | 4 |
| 0912 | ? | ? | yes | ? | 19 | 37 | * | | 10.4| 10.8| -0.4| -8 | 4 |
| 0913 | ? | ? | yes | ? | 20 | 37 | * | | 10.4| 11.0| -0.6| -9 | 4 |
| 0914 | ? | ? | yes | ? | 21 | 35 | * | | 10.3| 11.1| -0.8| -9 | 3 |
| 0915 | ? | yes | yes | no | 23 | 33 | | | 9.7| 11.1| -1.4| -9 | 3 |
| 0916 | yes | yes | no | 23 | 29 | | | 8.9| 10.9|/////| -10 | 4 |
| 0917 | yes | yes | no | 22 | 29 | | | 8.3| 10.8| -2.5| -9 | 4 |
| 0918 | yes | yes | no | 25 | stab | | | 7.8| 11.1| -3.3| -9 | 4 |
| 0919 | yes | yes | no | 64 | stab | | | 7.4| 20.5|-13.1| -8 | 4 |
| 0920 | yes | yes | no | 67 | stab | | | 7.2| 21.0|-13.8| -8 | 4 |
| 0921 | yes | yes | no | 11 | 17 | * | | 6.8| 6.8| 0.0| -9 | 4 |
| 0922 | yes | yes | no | 11 | stab | * | | 6.5| 6.5| 0.0| -10 | 4 |
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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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