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Odbor letecké meteorologie

Předpověď vhodných podmínek pro plachtařské a balónové létání

 
 
Convection conditions forecast for balloning and gliding in Plzen area
  (the spot model elevation  1132 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 |          |      |      |       |           |     |     |     |     |     |
|------------------------------------------------------------------------------------------------------------|
| 2512 |  no   |    no    |   ?   |    ?     |   39 | stab |  Cu   |           |  7.6|  6.9|  0.7|  -7 |   5 |
| 2513 |  no   |    no    |   ?   |   yes    |   45 |   81 |  Cu   |           |  8.2|  7.4|  0.8|  -7 |   5 |
| 2514 |  no   |    no    |  yes  |   yes!   |   41 |  149 |  TCu  |           |  8.6|  8.2|  0.4|  -6 |   4 |
| 2515 |  no   |    no    |   ?   |   yes    |   35 |  145 |  Cu   |           |  7.2|  7.5| -0.3|  -7 |   5 |
| 2516 |  no   |    no    |   ?   |    ?     |   45 |   80 |  Cu   |           |  7.4|  8.3| -0.9|  -8 |   5 |
| 2517 |  no   |    no    |  yes  |    ?     |   43 |  103 |  Cu   |           |  6.9|  7.7| -0.8|  -8 |   6 |
| 2518 |  no   |   yes    |  yes  |    no    |   29 | stab |       |     22    |  5.2|  6.7| -1.5|  -9 |   6 |
| 2519 |   ?   |   yes    |  yes  |    no    |   33 |  114 |       |           |  3.7|  7.6| -3.9| -10 |   6 |
| 2520 |        yes       |  yes  |    no    |   37 | stab |       |           |  2.2|  7.4| -5.2| -10 |   7 |
| 2521 |        yes       |  yes  |    no    |   43 |   99 |       |           |  1.6|  8.1| -6.5| -10 |   7 |
| 2522 |        yes       |  yes  |    no    |   43 |   88 |       |           |  0.8|  8.1| -7.3|  -9 |   7 |
|------------------------------------------------------------------------------------------------------------|
| 2603 |        yes       |  yes  |    no    |   62 |   74 |       |           | -1.4| 10.5|-11.9| -12 |   7 |
| 2604 |        yes       |  yes  |    no    |   63 | stab |       |           | -1.3| 10.6|-11.9| -13 |   7 |
| 2605 |        yes       |  yes  |    no    |   64 | stab |       |           | -1.2| 10.9|-12.1| -13 |   7 |
| 2606 |        yes       |  yes  |    no    |   59 | stab |       |           | -0.2| 10.3|-10.5| -13 |   7 |
| 2607 |        yes       |  yes  |    no    |   55 |   62 |       |           |  1.9| 10.1| -8.2| -13 |   7 |
| 2608 |        yes       |  yes  |    no    |   52 |   62 |       |           |  4.6| 10.1| -5.5| -12 |   6 |
| 2609 |  yes  |    ?     |  yes  |    no    |   49 |   76 |       |     25    |  7.6| 10.2| -2.6| -11 |   5 |
| 2610 |  yes  |    no    |  yes  |    ?     |   48 |   79 |  Cu   |           |  9.8| 10.7| -0.9| -10 |   5 |
| 2611 |  yes  |    no    |        yes       |   49 |   88 |  Cu   |           | 12.0| 11.2|  0.8|  -7 |   4 |
| 2612 |   ?   |    no    |        yes       |   63 | stab |  Cu   |           | 13.0| 12.8|  0.2|  -6 |   3 |
| 2613 |   ?   |    no    |        yes       |   66 |   77 |  Cu   |           | 13.9| 13.6|  0.3|  -5 |   1 |
| 2614 |   ?   |    no    |        yes       |   65 |   93 |  Cu   |           | 14.2| 14.1|  0.1|  -3 |   0 |
| 2615 |   ?   |    no    |        yes       |   64 |   98 |  Cu   |           | 14.2| 14.4| -0.2|  -3 |  -1 |
| 2616 |   ?   |    no    |        yes       |   64 |  120 |  Cu   |           | 14.0| 14.9| -0.9|  -2 |  -1 |
| 2617 |   ?   |   yes    |  yes  |    no    |   64 |  180 |       |           | 13.1| 14.9| -1.8|  -1 |  -2 |
| 2618 |        yes       |  yes  |    no    |   64 |  197 |       |           | 11.4| 15.3| -3.9|  -1 |  -2 |
| 2619 |        yes       |  yes  |    no    |   68 |  212 |       |           |  9.9| 16.0| -6.1|   0 |  -3 |
| 2620 |        yes       |  yes  |    no    |   70 |  226 |       |           |  8.1| 16.5| -8.4|   1 |  -4 |
| 2621 |        yes       |  yes  |    no    |   71 |  221 |       |           |  7.0| 16.6| -9.6|  -1 |  -4 |
| 2622 |        yes       |  yes  |    no    |   74 |  204 |       |           |  6.0| 16.8|-10.8|  -1 |  -3 |
|------------------------------------------------------------------------------------------------------------|
| 2703 |        yes       |  yes  |    no    |   84 |  221 |       |           |  1.3| 18.3|-17.0|  -2 |  -4 |
| 2704 |        yes       |  yes  |    no    |   86 |  220 |       |           |  0.9| 18.6|-17.7|  -2 |  -3 |
| 2705 |        yes       |  yes  |    no    |   82 |  244 |       |           |  1.5| 18.5|-17.0|  -2 |  -3 |
--------------------------------------------------------------------------------------------------------------
 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 25.04.2024 v 12:23 swing a.s.

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