logo ČHMÚ

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  1201 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 |          |      |      |       |           |     |     |     |     |     |
|------------------------------------------------------------------------------------------------------------|
| 2212 |  no   |    no    |  yes  |   yes!   |   51 |  214 |  TCu  |           | 23.4| 23.2|  0.2|  -2 |  -1 |
| 2213 |  no   |    no    |        yes       |   52 |   63 |  Cu   |           | 23.5| 23.4|  0.1|  -1 |  -2 |
| 2214 |  no   |    no    |  yes  |   yes!   |   48 |  255 |  Cb   |           | 23.4| 23.1|  0.3|  -1 |  -2 |
| 2215 |  no   |    no    |        yes       |   56 |  243 |       |     52    | 23.5| 24.6| -1.1|  -0 |  -3 |
| 2216 |  no   |    ?     |  yes  |    ?     |   62 |  205 |       |     38    | 23.0| 25.1| -2.1|  -1 |  -3 |
| 2217 |  no   |   yes    |  yes  |    no    |   63 |  205 |       |           | 22.2| 25.1| -2.9|  -1 |  -3 |
| 2218 |   ?   |   yes    |  yes  |    no    |   61 |  213 |       |           | 21.2| 24.8| -3.6|  -1 |  -2 |
| 2219 |        yes       |  yes  |    no    |   65 |  189 |       |           | 19.9| 25.3| -5.4|  -1 |  -2 |
| 2220 |        yes       |  yes  |    no    |   68 |  184 |       |           | 18.7| 25.7| -7.0|  -1 |  -2 |
| 2221 |        yes       |  yes  |    no    |   67 |  177 |       |           | 18.0| 25.5| -7.5|  -1 |  -2 |
| 2222 |        yes       |  yes  |    no    |   63 |  184 |       |           | 17.5| 24.8| -7.3|  -1 |  -2 |
|------------------------------------------------------------------------------------------------------------|
| 2303 |        yes       |  yes  |    no    |   56 |   73 |       |           | 16.9| 23.3| -6.4|  -1 |  -1 |
| 2304 |        yes       |  yes  |    no    |   52 |  226 |       |           | 16.8| 22.8| -6.0|  -1 |  -1 |
| 2305 |        yes       |  yes  |    no    |   51 |  243 |       |           | 17.6| 22.6| -5.0|   0 |  -2 |
| 2306 |        yes       |  yes  |    no    |   48 |  249 |       |     21    | 18.9| 22.4| -3.5|  -1 |  -1 |
| 2307 |  yes  |    ?     |  yes  |    ?     |   41 |  268 |       |     33    | 20.2| 21.6| -1.4|  -2 |  -1 |
| 2308 |  yes  |    no    |  yes  |   yes!   |   35 |  281 |  Cb   |           | 21.1| 21.1|  0.0|  -2 |  -1 |
| 2309 |   ?   |    no    |  yes  |   yes!   |   38 |  288 |  Cb   |           | 22.0| 21.7|  0.3|  -3 |  -1 |
| 2310 |   ?   |    no    |  yes  |   yes!   |   42 |  275 |  Cb   |           | 22.9| 22.5|  0.4|  -4 |  -1 |
| 2311 |   ?   |    no    |  yes  |   yes!   |   42 |  282 |  Cb   |           | 23.2| 22.6|  0.6|  -3 |  -1 |
| 2312 |   ?   |    no    |  yes  |   yes!   |   38 |  303 |  TCu  |           | 23.1| 22.9|  0.2|  -5 |  -1 |
| 2313 |  yes  |    no    |  yes  |   yes!   |   38 |  296 |  TCu  |           | 23.5| 23.1|  0.4|  -5 |  -2 |
| 2314 |  no   |   yes    |   ?   |    no    |   43 |  319 |       |           | 19.7| 23.4| -3.7|   1 |  -2 |
| 2315 |   ?   |   yes    |  yes  |    no    |   40 |  289 |       |     21    | 20.5| 23.7| -3.2|  -5 |  -3 |
| 2316 |   ?   |    ?     |  yes  |    no    |   39 |  286 |       |     27    | 21.4| 23.6| -2.2|  -4 |  -3 |
| 2317 |   ?   |    ?     |  yes  |    no    |   38 |  276 |       |     27    | 21.6| 23.4| -1.8|  -4 |  -3 |
| 2318 |   ?   |   yes    |  yes  |    no    |   47 |  257 |       |           | 20.4| 24.5| -4.1|  -4 |  -3 |
| 2319 |        yes       |  yes  |    no    |   42 |  241 |       |           | 19.2| 23.9| -4.7|  -6 |  -2 |
| 2320 |        yes       |  yes  |    no    |   38 |  245 |       |           | 18.1| 23.2| -5.1|  -7 |  -1 |
| 2321 |        yes       |  yes  |    no    |   37 |  216 |       |           | 17.5| 22.9| -5.4|  -8 |  -1 |
| 2322 |        yes       |  yes  |    no    |   39 |  185 |       |           | 17.0| 23.1| -6.1|  -9 |  -1 |
|------------------------------------------------------------------------------------------------------------|
| 2403 |        yes       |  yes  |    no    |   45 |  123 |       |           | 14.7| 22.7| -8.0|  -9 |   1 |
| 2404 |        yes       |  yes  |    no    |   43 |  118 |       |           | 14.8| 22.3| -7.5|  -9 |   2 |
| 2405 |        yes       |  yes  |    no    |   39 |  128 |       |           | 15.7| 22.1| -6.4|  -9 |   2 |
--------------------------------------------------------------------------------------------------------------
 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 22.07.2018 v 12:28 swing a.s.

Copyright (c) 1999 Český hydrometeorologický ústav. Všechna práva vyhrazena.