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Odbor letecké meteorologie

Předpověď vhodných podmínek pro plachtařské a balónové létání

 
 
Convection conditions forecast for balloning and gliding in Palava area
  (the spot model elevation  640 ft msl)
 
--------------------------------------------------------------------------------------------------------------
|      |                  |                  |             |       |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 |          |      |      |       |           |     |     |     |     |     |
|------------------------------------------------------------------------------------------------------------|
| 2518 |   ?   |   yes    |  yes  |    no    |   34 |   89 |       |           | -0.1|  3.8| -3.9|  -8 |   3 |
| 2519 |   ?   |   yes    |  yes  |    no    |   31 |   85 |       |           | -0.9|  3.3| -4.2|  -9 |   3 |
| 2520 |   ?   |   yes    |  yes  |    no    |   31 |   82 |       |           | -1.5|  3.0| -4.5|  -9 |   4 |
| 2521 |   ?   |   yes    |  yes  |    no    |   32 |   44 |       |           | -1.7|  2.7| -4.4|  -9 |   4 |
| 2522 |   ?   |   yes    |  yes  |    no    |   35 |   62 |       |           | -2.4|  3.1| -5.5|  -8 |   4 |
|------------------------------------------------------------------------------------------------------------|
| 2603 |   ?   |   yes    |  yes  |    no    |   45 |   67 |       |           | -4.4|  3.5| -7.9|  -5 |   3 |
| 2604 |   ?   |   yes    |  yes  |    no    |   41 | stab |       |           | -4.3|  3.0| -7.3|  -6 |   3 |
| 2605 |   ?   |   yes    |  yes  |    no    |   40 | stab |       |           | -4.2|  3.1| -7.3|  -5 |   3 |
| 2606 |  no   |   yes    |  yes  |    no    |   40 |   54 |       |           | -4.2|  2.9| -7.1|  -5 |   3 |
| 2607 |  no   |   yes    |  yes  |    no    |   38 |   57 |       |           | -3.6|  2.6| -6.2|  -5 |   3 |
| 2608 |  no   |   yes    |  yes  |    no    |   39 | stab |       |           | -2.8|  2.7| -5.5|  -6 |   3 |
| 2609 |  no   |   yes    |  yes  |    no    |   34 | stab |       |           | -1.2|  1.7| -2.9|  -6 |   3 |
| 2610 |  no   |    ?     |  yes  |    ?     |   30 |   34 |  Cu   |           |  0.5|  0.8| -0.3|  -6 |   3 |
| 2611 |  no   |    no    |   ?   |    ?     |   33 |   46 |  Cu   |           |  1.5|  1.2|  0.3|  -6 |   3 |
| 2612 |  no   |    no    |   ?   |   yes    |   35 |   51 |  Cu   |           |  1.8|  1.6|  0.2|  -7 |   4 |
| 2613 |  no   |    no    |   ?   |   yes    |   39 |   54 |  Cu   |           |  2.1|  2.0|  0.1|  -7 |   4 |
| 2614 |  no   |    no    |   ?   |   yes    |   42 |   53 |  Cu   |           |  2.0|  2.3| -0.3|  -7 |   4 |
| 2615 |  no   |    ?     |   ?   |    ?     |   41 |   60 |  Cu   |           |  1.7|  2.6| -0.9|  -5 |   3 |
| 2616 |  no   |   yes    |   ?   |    no    |   41 | stab |       |           |  0.4|  2.8| -2.4|  -4 |   2 |
| 2617 |   ?   |   yes    |  yes  |    no    |   43 |   58 |       |           | -0.4|  3.2| -3.6|  -4 |   2 |
| 2618 |   ?   |   yes    |  yes  |    no    |   42 |   65 |       |           | -0.8|  3.2| -4.0|  -4 |   2 |
| 2619 |   ?   |   yes    |  yes  |    no    |   40 | stab |       |           | -1.2|  3.0| -4.2|  -5 |   3 |
| 2620 |   ?   |   yes    |  yes  |    no    |   40 | stab |       |           | -1.4|  3.0| -4.4|  -5 |   3 |
| 2621 |   ?   |   yes    |  yes  |    no    |   39 | stab |       |           | -1.5|  2.9| -4.4|  -5 |   3 |
| 2622 |   ?   |   yes    |  yes  |    no    |   38 |   43 |       |           | -1.7|  2.7| -4.4|  -5 |   4 |
|------------------------------------------------------------------------------------------------------------|
| 2703 |  no   |   yes    |  yes  |    no    |   36 | stab |       |           | -2.7|  2.5| -5.2| -10 |   7 |
| 2704 |  no   |   yes    |   ?   |    no    |   31 | stab |       |           | -2.5|  1.5| -4.0| -10 |   7 |
| 2705 |  no   |   yes    |   ?   |    no    |   30 | stab |       |           | -2.3|  1.3| -3.6| -10 |   8 |
| 2706 |  no   |   yes    |  yes  |    no    |   32 | stab |       |           | -2.4|  1.8| -4.2| -11 |   9 |
| 2707 |  no   |   yes    |  yes  |    no    |   31 | stab |       |           | -2.1|  1.5| -3.6| -11 |   9 |
| 2708 |   ?   |   yes    |  yes  |    no    |   31 | stab |       |           | -1.3|  1.5| -2.8| -12 |   9 |
| 2709 |   ?   |    ?     |  yes  |    no    |   36 |   49 |       |     24    | -0.2|  2.5| -2.7| -12 |   9 |
| 2710 |  no   |    ?     |  yes  |    no    |   38 | stab |       |     28    |  1.0|  2.9| -1.9| -13 |   9 |
| 2711 |  no   |    ?     |  yes  |    ?     |   39 | stab |       |     33    |  1.7|  3.1| -1.4| -13 |   9 |
--------------------------------------------------------------------------------------------------------------
 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) [-]	





stranka pripravena 25.01.2021 v 18:33 swing a.s.

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