Soaring Guidance
Issued by NWS Pueblo, CO

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000
UXUS97 KPUB 011239
SRGPUB

Soaring Forecast
National Weather Service Pueblo, Colorado
0639 MDT Wednesday, October 1, 2014

This forecast is for Wednesday, October 1, 2014:

If the trigger temperature of 54.5 F/12.5 C is reached...then
   Thermal Soaring Index....................... Fair
   Maximum rate of lift........................ 268 ft/min (1.4 m/s)
   Maximum height of thermals.................. 14114 ft MSL (7356 ft AGL)

Forecast maximum temperature................... 58.0 F/14.9 C
Time of trigger temperature.................... 1115 MDT
Time of overdevelopment........................ None
Middle/high clouds during soaring window....... Broken/overcast opaque middle
Surface winds during soaring window............ 20 mph or less
Height of the -3 thermal index................. 8306 ft MSL (1549 ft AGL)
Thermal soaring outlook for Thursday 10/02..... Poor

Wave Soaring Index............................. Poor
Wave Soaring Index trend (to 1800 MDT)......... Poor
Height of stable layer (12-18K ft MSL)......... None
Weak PVA/NVA (through 1800 MDT)................ Neither
Potential height of wave....................... 39651 ft MSL (32893 ft AGL)
Wave soaring outlook for Thursday 10/02........ Poor

Remarks...

Sunrise/Sunset.................... 06:55:01 / 18:43:09 MDT
Total possible sunshine........... 11 hr 48 min 8 sec (708 min 8 sec)
Altitude of sun at 12:48:36 MDT... 47.69 degrees

Upper air data from numerical model forecast valid on 10/01/2014 at 0600 MDT

Freezing level.................. 11486 ft MSL (4728 ft AGL)
Convective condensation level... 13777 ft MSL (7019 ft AGL)
Lifted condensation level....... 13475 ft MSL (6717 ft AGL)
Lifted index.................... +2.2
K index......................... +20.9

Height  Temperature  Wind  Wind Spd  Lapse Rate  ConvectionT  Thermal  Lift Rate
ft MSL  deg C deg F   Dir   kt  m/s  C/km F/kft  deg C deg F   Index    fpm  m/s
--------------------------------------------------------------------------------
 50000  -60.2 -76.4   260   33   17   3.0   1.6      M     M       M      M    M
 45000  -55.6 -68.1   265   52   27   4.3   2.3      M     M       M      M    M
 40000  -48.8 -55.8   265   80   41   4.5   2.5      M     M       M      M    M
 38000  -47.9 -54.2   265   79   41   0.9   0.5      M     M       M      M    M
 36000  -47.3 -53.1   260   76   39   0.9   0.5      M     M       M      M    M
 34000  -45.9 -50.6   260   73   37   4.8   2.7      M     M       M      M    M
 32000  -43.0 -45.4   260   69   36   4.8   2.6      M     M       M      M    M
 30000  -39.6 -39.3   265   65   33   7.8   4.3   30.9  87.7    12.6      M    M
 29000  -37.3 -35.1   260   62   32   7.8   4.3   30.1  86.2    12.1      M    M
 28000  -34.9 -30.8   260   58   30   7.8   4.3   29.4  84.9    11.7      M    M
 27000  -32.1 -25.8   260   54   28   7.5   4.1   28.6  83.4    11.2      M    M
 26000  -29.8 -21.6   260   50   26   7.6   4.2   27.6  81.8    10.6      M    M
 25000  -27.6 -17.7   260   46   24   7.6   4.2   26.9  80.4    10.1      M    M
 24000  -25.3 -13.5   255   43   22   6.9   3.8   26.1  79.0     9.6      M    M
 23000  -23.3  -9.9   255   40   21   6.8   3.7   25.0  77.0     8.8      M    M
 22000  -21.2  -6.2   255   37   19   6.8   3.7   24.0  75.1     8.0      M    M
 21000  -19.2  -2.6   250   34   18   5.8   3.2   22.9  73.2     7.2      M    M
 20000  -17.5   0.5   250   30   15   5.9   3.3   21.5  70.7     6.1      M    M
 19500  -16.6   2.1   250   28   14   6.0   3.3   20.9  69.6     5.5      M    M
 19000  -15.7   3.7   250   26   13   6.1   3.3   20.3  68.5     5.0      M    M
 18500  -14.9   5.2   245   24   12   5.1   2.8   19.6  67.3     4.4      M    M
 18000  -14.2   6.4   245   22   11   5.0   2.7   18.8  65.8     3.7      M    M
 17500  -13.5   7.7   245   21   11   5.3   2.9   18.0  64.4     2.9      M    M
 17000  -12.7   9.1   240   19   10   6.2   3.4   17.3  63.2     2.3      M    M
 16500  -11.8  10.8   240   18    9   6.0   3.3   16.8  62.2     1.7      M    M
 16000  -10.9  12.4   240   17    9   8.1   4.4   16.3  61.3     1.3      M    M
 15500   -9.7  14.5   235   16    8   8.1   4.5   16.0  60.8     1.0      M    M
 15000   -8.5  16.7   235   14    7   7.7   4.2   15.8  60.4     0.7      M    M
 14500   -7.4  18.7   235   13    7   7.5   4.1   15.4  59.7     0.3      M    M
 14000   -6.3  20.7   235   11    6   7.7   4.2   15.0  59.1     0.0      M    M
 13500   -4.5  23.9   235    8    4   8.0   4.4   14.6  58.3    -0.4    594  3.0
 13000   -3.3  26.1   235    7    3   8.0   4.4   14.3  57.8    -0.7    543  2.8
 12500   -2.2  28.0   240    5    3   7.9   4.3   14.1  57.3    -1.0    494  2.5
 12000   -1.0  30.2   240    4    2   7.9   4.3   13.7  56.7    -1.3    445  2.3
 11750   -0.4  31.3   245    3    2   8.2   4.5   13.6  56.5    -1.4    419  2.1
 11500    0.2  32.4   245    2    1   8.0   4.4   13.5  56.3    -1.6    394  2.0
 11250    0.7  33.3   250    2    1   8.7   4.8   13.4  56.0    -1.7    369  1.9
 11000    1.4  34.5   245    1    1   9.0   4.9   13.3  56.0    -1.8    341  1.7
 10750    2.1  35.8   275    1    0   8.5   4.6   13.2  55.8    -1.9    315  1.6
 10500    2.7  36.9   320    1    0   8.8   4.8   13.1  55.6    -2.0    288  1.5
 10250    3.3  37.9   350    1    1   8.1   4.4   13.0  55.5    -2.1    262  1.3
 10000    3.9  39.0   360    2    1   7.9   4.3   12.9  55.2    -2.2    237  1.2
  9750    4.5  40.1   360    2    1   8.8   4.8   12.8  55.0    -2.3    211  1.1
  9500    5.2  41.4   360    3    1   9.0   4.9   12.7  54.9    -2.4    184  0.9
  9250    5.9  42.6   360    3    2   8.8   4.8   12.7  54.8    -2.5    157  0.8
  9000    6.5  43.7   360    4    2   8.5   4.6   12.6  54.7    -2.6    130  0.7
  8750    7.1  44.8   360    4    2   7.7   4.2   12.5  54.4    -2.7    105  0.5
  8500    7.7  45.9   350    4    2   7.9   4.4   12.3  54.1    -2.9     81  0.4
  8250    8.2  46.8   345    5    2   5.9   3.2   12.1  53.8    -3.1     57  0.3
  8000    8.5  47.3   335    5    3   2.4   1.3   11.7  53.0    -3.5     41  0.2
  7750    8.7  47.7   325    7    3   4.0   2.2   11.2  52.1    -4.1     28  0.1
  7500    9.1  48.4   310    7    3   6.4   3.5   10.8  51.5    -4.4      9  0.0
  7250    9.1  48.4   300    7    4 -10.1  -5.6   10.3  50.5    -5.0      0  0.0
  7000    7.3  45.1   300    7    3 -37.2 -20.4    8.3  46.9    -7.0     48  0.2
  6750      M     M     M    M    M     M     M      M     M       M      M    M

 * * * * * * Numerical weather prediction model forecast data valid * * * * * *

           10/01/2014 at 0900 MDT          |       10/01/2014 at 1200 MDT
                                           |
K index... +19.2  LI... +1.3               | K index... +22.6  LI... -0.3
CAPE... +15.8  CIN... -47.1                | CAPE... +21.3  CIN... -3.0
                                           |
Height Temperature  Wnd WndSpd  Lapse Rate | Temperature  Wnd WndSpd  Lapse Rate
ft MSL deg C deg F  Dir kt m/s  C/km F/kft | deg C deg F  Dir kt m/s  C/km F/kft
--------------------------------------------------------------------------------
 50000 -59.7 -75.5  245  33 17   2.4   1.3 | -58.9 -74.0  240  40 21   2.4   1.3
 45000 -55.8 -68.4  250  55 28   4.2   2.3 | -55.2 -67.4  245  62 32   2.8   1.5
 40000 -49.5 -57.1  255  75 39   4.1   2.3 | -51.0 -59.8  255  86 44   2.8   1.5
 38000 -48.0 -54.4  260  79 41   1.9   1.1 | -49.0 -56.2  255  90 46   3.3   1.8
 36000 -46.8 -52.2  260  82 42   1.9   1.1 | -47.0 -52.6  255  92 48   3.3   1.8
 34000 -44.8 -48.6  260  80 41   4.9   2.7 | -44.4 -47.9  255  91 47   4.7   2.6
 32000 -41.8 -43.2  260  71 36   4.9   2.7 | -41.6 -42.9  255  83 43   4.7   2.6
 30000 -38.8 -37.8  260  61 31   5.2   2.9 | -38.8 -37.8  255  71 37   4.7   2.6
 29000 -37.2 -35.0  255  55 28   5.2   2.9 | -37.4 -35.3  255  62 32   4.7   2.6
 28000 -35.7 -32.3  255  49 25   5.2   2.9 | -36.0 -32.8  255  52 27   4.7   2.6
 27000 -33.9 -29.0  250  44 23   9.0   5.0 | -34.4 -29.9  250  44 23   8.2   4.5
 26000 -31.2 -24.2  250  43 22   8.9   4.9 | -31.9 -25.4  250  39 20   8.2   4.5
 25000 -28.6 -19.5  255  42 21   9.0   4.9 | -29.5 -21.1  250  34 17   8.2   4.5
 24000 -25.9 -14.6  255  40 21   7.2   3.9 | -27.1 -16.8  250  29 15   7.9   4.3
 23000 -24.1 -11.4  255  38 19   6.1   3.4 | -24.8 -12.6  255  29 15   7.7   4.2
 22000 -22.3  -8.1  260  35 18   6.1   3.4 | -22.5  -8.5  260  31 16   7.7   4.2
 21000 -20.4  -4.7  260  33 17   7.6   4.2 | -20.3  -4.5  265  32 16   7.2   3.9
 20000 -18.1  -0.6  260  31 16   7.6   4.2 | -18.1  -0.6  270  34 17   7.2   4.0
 19500 -17.0   1.4  260  30 15   7.7   4.2 | -17.1   1.2  270  35 18   7.2   4.0
 19000 -15.9   3.4  260  29 15   7.7   4.2 | -16.0   3.2  270  35 18   7.2   4.0
 18500 -14.8   5.4  260  28 14   5.7   3.1 | -14.9   5.2  270  36 19   7.1   3.9
 18000 -14.1   6.6  260  28 14   4.8   2.6 | -13.9   7.0  270  36 18   7.1   3.9
 17500 -13.4   7.9  260  28 14   4.6   2.5 | -12.8   9.0  270  36 18   7.1   3.9
 17000 -12.8   9.0  260  27 14   3.1   1.7 | -11.8  10.8  270  35 18   6.6   3.6
 16500 -12.1  10.2  255  24 13   4.6   2.6 | -10.9  12.4  270  34 17   6.6   3.6
 16000 -11.0  12.2  255  22 11   8.8   4.8 |  -9.3  15.3  265  32 16   7.1   3.9
 15500  -9.7  14.5  250  20 10   8.7   4.8 |  -8.3  17.1  260  30 15   7.1   3.9
 15000  -8.4  16.9  250  18  9   9.1   5.0 |  -7.3  18.9  260  28 14   7.1   3.9
 14500  -7.1  19.2  250  16  8   9.1   5.0 |  -6.2  20.8  255  25 13   7.2   3.9
 14000  -5.8  21.6  250  15  8   8.5   4.7 |  -5.2  22.6  250  23 12   7.1   3.9
 13500  -4.5  23.9  250  14  7   8.5   4.7 |  -4.2  24.4  245  19 10   7.1   3.9
 13000  -3.3  26.1  250  13  7   8.0   4.4 |  -3.1  26.4  240  16  8   8.0   4.4
 12500  -2.2  28.0  250  12  6   7.9   4.4 |  -1.9  28.6  235  14  7   8.3   4.6
 12000  -0.9  30.4  250  10  5   8.0   4.4 |  -0.7  30.7  225  12  6   8.5   4.6
 11750  -0.4  31.3  250   9  5   7.6   4.2 |  -0.0  32.0  225  11  6   8.5   4.7
 11500   0.2  32.4  250   9  5   7.5   4.1 |   0.6  33.1  220  10  5   8.0   4.4
 11250   0.7  33.3  245   8  4   8.2   4.5 |   1.2  34.2  210  10  5  10.0   5.5
 11000   1.4  34.5  245   7  4   8.4   4.6 |   2.0  35.6  205   9  5  10.4   5.7
 10750   2.0  35.6  240   7  3   7.7   4.2 |   2.7  36.9  200   9  5   8.5   4.7
 10500   2.5  36.5  240   6  3   8.0   4.4 |   3.3  37.9  195   9  5   9.3   5.1
 10250   3.1  37.6  235   5  3   7.5   4.1 |   4.0  39.2  190   9  5   7.9   4.3
 10000   3.6  38.5  225   4  2   7.4   4.0 |   4.5  40.1  180   9  5   7.8   4.3
  9750   4.2  39.6  220   4  2   8.3   4.5 |   5.2  41.4  180   9  5  10.1   5.5
  9500   4.9  40.8  210   3  2   8.6   4.7 |   6.0  42.8  180   9  5  10.6   5.8
  9250   5.5  41.9  195   3  1   8.4   4.6 |   6.8  44.2  175   9  5  10.3   5.6
  9000   6.1  43.0  185   2  1   8.0   4.4 |   7.5  45.5  175   9  5   9.5   5.2
  8750   6.7  44.1  175   2  1   7.8   4.3 |   8.2  46.8  175   9  5   9.9   5.4
  8500   7.2  45.0  175   2  1   7.8   4.3 |   9.0  48.2  175   9  5  10.4   5.7
  8250   7.8  46.0  170   1  1   7.9   4.3 |   9.8  49.6  170  10  5  10.2   5.6
  8000   8.4  47.1  000   0  0   8.1   4.4 |  10.5  50.9  170  10  5  10.4   5.7
  7750   9.0  48.2  310   1  0   7.9   4.3 |  11.3  52.3  170   9  5  10.0   5.5
  7500   9.5  49.1  310   1  1   7.7   4.2 |  12.0  53.6  170  10  5   8.7   4.8
  7250  10.1  50.2  310   1  1   7.6   4.2 |  12.7  54.9  170  10  5  12.0   6.6
  7000  10.6  51.1  305   1  1   7.3   4.0 |  13.9  57.0  170   9  5  18.8  10.3
  6750     M     M    M   M  M     M     M |     M     M    M   M  M     M     M

           10/01/2014 at 1500 MDT          |       10/01/2014 at 1800 MDT
                                           |
K index... +25.1  LI... -1.0               | K index... +27.3  LI... -0.9
CAPE... +106.2  CIN... -2.2                | CAPE... +98.4  CIN... -3.5
                                           |
Height Temperature  Wnd WndSpd  Lapse Rate | Temperature  Wnd WndSpd  Lapse Rate
ft MSL deg C deg F  Dir kt m/s  C/km F/kft | deg C deg F  Dir kt m/s  C/km F/kft
--------------------------------------------------------------------------------
 50000 -58.8 -73.8  245  44 22   2.2   1.2 | -57.9 -72.2  250  47 24   2.4   1.3
 45000 -55.5 -67.9  250  70 36   1.6   0.9 | -54.6 -66.3  255  66 34   0.7   0.4
 40000 -53.2 -63.8  255  89 46   1.6   0.9 | -53.7 -64.7  245  83 43   0.6   0.4
 38000 -51.3 -60.3  255  90 46   3.8   2.1 | -52.3 -62.1  245  83 42   3.1   1.7
 36000 -49.0 -56.2  255  88 45   3.8   2.1 | -50.4 -58.7  245  78 40   3.1   1.7
 34000 -46.5 -51.7  255  84 43   5.3   2.9 | -47.9 -54.2  245  69 35   5.0   2.7
 32000 -42.9 -45.2  250  73 37   5.3   2.9 | -44.9 -48.8  245  54 28   5.0   2.7
 30000 -39.4 -38.9  250  63 32   6.6   3.6 | -41.0 -41.8  240  42 21   8.6   4.7
 29000 -37.4 -35.3  250  57 30   6.6   3.6 | -38.5 -37.3  240  38 19   8.6   4.7
 28000 -35.4 -31.7  250  52 27   6.6   3.6 | -35.9 -32.6  240  34 17   8.6   4.7
 27000 -33.3 -27.9  245  48 25   8.5   4.6 | -33.4 -28.1  235  31 16   8.2   4.5
 26000 -30.9 -23.6  245  46 24   8.3   4.5 | -30.9 -23.6  240  29 15   8.2   4.5
 25000 -28.4 -19.1  245  44 23   8.3   4.5 | -28.5 -19.3  240  27 14   8.3   4.5
 24000 -26.0 -14.8  245  42 22   7.8   4.3 | -26.0 -14.8  245  26 13   7.9   4.3
 23000 -23.7 -10.7  250  40 21   7.6   4.2 | -23.7 -10.7  245  25 13   7.8   4.3
 22000 -21.5  -6.7  255  38 20   7.6   4.2 | -21.4  -6.5  250  24 12   7.8   4.3
 21000 -19.3  -2.7  260  37 19   7.0   3.9 | -19.1  -2.4  250  22 12   7.4   4.0
 20000 -17.2   1.0  265  35 18   7.1   3.9 | -16.9   1.6  250  20 11   7.4   4.1
 19500 -16.1   3.0  265  35 18   7.1   3.9 | -15.8   3.6  250  19 10   7.4   4.1
 19000 -15.1   4.8  270  34 18   7.1   3.9 | -14.7   5.5  250  18  9   7.5   4.1
 18500 -14.0   6.8  270  34 17   6.7   3.7 | -13.7   7.3  250  17  9   7.3   4.0
 18000 -13.1   8.4  270  35 18   6.6   3.6 | -12.6   9.3  250  17  9   7.3   4.0
 17500 -12.1  10.2  270  36 19   6.5   3.6 | -11.5  11.3  245  16  8   7.2   4.0
 17000 -11.2  11.8  270  35 18   6.5   3.6 | -10.5  13.1  245  16  8   6.9   3.8
 16500 -10.2  13.6  270  34 18   6.5   3.6 |  -9.5  14.9  245  16  8   7.0   3.8
 16000  -8.8  16.2  265  31 16   6.8   3.8 |  -8.0  17.6  245  15  8   6.7   3.7
 15500  -7.8  18.0  260  29 15   6.8   3.7 |  -7.0  19.4  245  14  7   6.7   3.7
 15000  -6.8  19.8  255  26 14   7.5   4.1 |  -6.1  21.0  245  13  7   6.4   3.5
 14500  -5.7  21.7  245  25 13   7.4   4.1 |  -5.2  22.6  245  13  7   6.4   3.5
 14000  -4.6  23.7  240  23 12   8.2   4.5 |  -4.3  24.3  245  12  6   6.3   3.4
 13500  -3.4  25.9  235  22 11   8.3   4.6 |  -3.4  25.9  240  11  6   6.3   3.4
 13000  -2.1  28.2  230  21 11   9.1   5.0 |  -2.5  27.5  230  11  6   6.0   3.3
 12500  -0.7  30.7  225  21 11   9.3   5.1 |  -1.6  29.1  230  10  5   5.8   3.2
 12000   0.6  33.1  220  20 11   9.1   5.0 |  -0.8  30.6  220   8  4   6.6   3.6
 11750   1.3  34.3  215  20 10   9.4   5.2 |  -0.3  31.5  220   8  4   8.3   4.5
 11500   2.0  35.6  215  20 10   9.2   5.0 |   0.3  32.5  220   7  4   7.2   4.0
 11250   2.7  36.9  210  20 10   9.9   5.4 |   0.9  33.6  215   6  3   9.7   5.3
 11000   3.4  38.1  210  20 10  10.2   5.6 |   1.8  35.2  215   5  3  11.2   6.2
 10750   4.2  39.6  210  20 10   9.7   5.3 |   2.5  36.5  215   4  2  10.0   5.5
 10500   4.9  40.8  210  20 10  10.1   5.5 |   3.3  37.9  210   4  2  10.3   5.7
 10250   5.7  42.3  205  20 10   9.0   4.9 |   4.0  39.2  210   3  1  10.2   5.6
 10000   6.3  43.3  205  19 10   8.9   4.9 |   4.8  40.6  210   2  1   9.1   5.0
  9750   7.0  44.6  205  19 10  10.4   5.7 |   5.4  41.7  225   1  0   8.3   4.6
  9500   7.8  46.0  205  19 10  10.6   5.8 |   6.0  42.8  010   1  0   8.5   4.7
  9250   8.6  47.5  200  19 10  10.4   5.7 |   6.7  44.1  020   2  1   8.6   4.7
  9000   9.4  48.9  200  19 10   9.7   5.3 |   7.3  45.1  020   3  1   9.2   5.1
  8750  10.1  50.2  200  19 10   9.8   5.4 |   8.0  46.4  020   4  2   9.2   5.1
  8500  10.8  51.4  200  19 10  10.4   5.7 |   8.7  47.7  020   5  2   8.9   4.9
  8250  11.6  52.9  200  19 10  10.3   5.7 |   9.3  48.7  020   6  3   9.2   5.1
  8000  12.4  54.3  200  18 10  10.9   6.0 |  10.1  50.2  020   6  3   9.9   5.4
  7750  13.2  55.8  195  18  9  10.2   5.6 |  10.8  51.4  020   6  3   9.1   5.0
  7500  13.9  57.0  195  17  9   8.4   4.6 |  11.4  52.5  015   6  3   8.3   4.6
  7250  14.5  58.1  195  17  9  10.6   5.8 |  12.0  53.6  015   6  3   7.2   4.0
  7000  15.5  59.9  195  16  8  15.3   8.4 |  12.4  54.3  015   6  3   4.5   2.5
  6750     M     M    M   M  M     M     M |     M     M    M   M  M     M     M
________________________________________________________________________________

This product is issued twice per day, once by approximately 0630 MST/0730 MDT
(1330 UTC) and again by approximately 1830 MST/1930 MDT (0130 UTC).  It is not
continuously monitored nor updated after its initial issuance.

The information contained herein is based on rawinsonde observation and/or
numerical weather prediction model data taken near the Air Force Academy
in Colorado Springs, Colorado at

                   North Latitude:  38 deg 58 min 48.000 sec
                   West Longitude: 104 deg 49 min 12.000 sec
                   Elevation: 6572 feet (2003 meters)

and may not be representative of other areas along the Front Range of the
Colorado Rocky Mountains.  Note that some elevations in numerical weather
prediction models differ from actual station elevations, which can lead to
data which appear to be below ground.  Erroneous data such as these should
not be used.

The content and format of this report as well as the issuance times are subject
to change without prior notice.  Comments and suggestions are welcome and should
be directed to one of the addresses or phone numbers shown at the bottom of this
page.  To expedite a response to comments, be sure to mention your interest in
the soaring forecast.

DEFINITIONS:

CAPE (Convective Available Potential Energy) - An integrated measure of the
     energy available for convective development, also known as the positive
     area on a thermodynamic diagram.  Units are Joules per kilogram.  Larger
     values are indicative of greater instability and the possibility of
     stronger convective activity, including thunderstorms.  Values around or
     greater than 1000 suggest the possibility of severe weather should
     convective activity develop.

CIN (Convective Inhibition) - An integrated measure of the amount of energy
     needed to initiate convective activity, also known as the negative area on
     a thermodynamic diagram.  Units are Joules per kilogram.  The more negative
     this number, the more energy is required to initiate convection.  This
     inhibitive energy can be overcome through surface heating, cooling aloft,
     lifting mechanisms (orographic, frontal, gravity waves, etc.)

Convective Condensation Level - The height to which an air parcel possessing the
     average saturation mixing ratio in the lowest 4000 feet of the airmass,
     if heated sufficiently from below, will rise dry adiabatically until it
     just becomes saturated.  It estimates the base of cumulus clouds that are
     produced by surface heating only.

Convection Temperature (ConvectionT) - The surface temperature required to make
     the airmass dry adiabatic up to the given level.  It can be considered a
     "trigger temperature" for that level.

Freezing Level - The height where the temperature is zero degrees Celsius.

Height of Stable Layer - The height (between 12,000 and 18,000 feet above
     mean sea level) where the smallest lapse rate exists.  The location and
     existence of this feature is important in the generation of mountain
     waves.

K Index - A measure of stability which combines the temperature difference
     between approximately 5,000 and 18,000 feet above the surface, the amount
     of moisture at approximately 5,000 feet above the surface, and a measure
     of the dryness at approximately 10,000 feet above the surface.  Larger
     positive numbers indicate more instability and a greater likelihood of
     thunderstorm development.  One interpretation of K index values regarding
     soaring in the western United States is given in WMO Technical Note 158
     and is reproduced in the following table:

          below -10    no or weak thermals
           -10 to 5    dry thermals or 1/8 cumulus with moderate thermals
            5 to 15    good soaring conditions
           15 to 20    good soaring conditions with occasional showers
           20 to 30    excellent soaring conditions, but increasing
                       probability of showers and thunderstorms
           above 30    more than 60 percent probability of thunderstorms

Lapse Rate - The change with height of the temperature. Negative values indicate
     inversions.

Lifted Condensation Level - The height to which an air parcel possessing the
     average dew point in the lowest 4000 feet of the airmass and the forecast
     maximum temperature must be lifted dry adiabatically to attain saturation.

Lifted Index (LI) - The difference between the environmental temperature at a
     level approximately 18,000 feet above the surface and the temperature of
     an air parcel lifted dry adiabatically from the surface to its lifted
     condensation level and then pseudoadiabatically thereafter to this same
     level.  The parcel`s initial temperature is the forecast maximum
     temperature and its dew point is the average dew point in the lowest 4000
     feet of the airmass.  Negative values are indicative of instability with
     positive values showing stable conditions.

Lift Rate - An experimental estimate of the strength of thermals.  It is
     computed the same way as the maximum rate of lift but uses the actual
     level rather than the maximum height of thermals in the calculation.
     Also, none of the empirical adjustments based on cloudiness and K-index
     are applied to these calculations.

Maximum Height of Thermals - The height where the dry adiabat through the
     forecast maximum temperature intersects the environmental temperature.

Maximum Rate of Lift - An estimate of the maximum strength of thermals.  It
     is computed from an empirical formula which combines the expected maximum
     height of thermals with the difference in the environmental temperatures
     between the maximum height of thermals and the temperature 4,000 feet
     above the ground.  After this computation, further empirical adjustments
     are made based on the value of the K-index and the amount and opacity of
     middle and high level cloudiness expected between the time of trigger
     temperature and the time of overdevelopment.

Middle/High Clouds - The amount and opacity of middle (altostratus, altocumulus)
     or high (cirrus, cirrostratus, cirrocumulus) clouds.  Broken means that
     between 60% and 90% of the sky is covered by the cloud, with overcast
     conditions occurring when more than 90% of the sky is covered by the cloud.
     Thin implies that the clouds are predominantly transparent, meaning that
     some sunlight is reaching the ground, in contrast to opaque which suggests
     that little sunlight is reaching the ground.

Potential Height of Wave - The minimum of the following two heights:
     1. Level above the height of stable layer (or 14,000 feet if none exists)
        where the wind direction changes by 30 degrees or more
     2. Level above the height of stable layer (or 14,000 feet if none exists)
        where the wind speed no longer increases with height

PVA/NVA - Positive vorticity advection (PVA)/negative vorticity advection (NVA)
     on the 500 millibar isobaric surface (approximately 18,000 feet above mean
     sea level).  Weak PVA has been shown to assist in mountain wave soaring.

Soaring Window - The time between the time the trigger temperature is reached
                 and the time of overdevelopment.

Thermal Index - The difference between the environmental temperature and the
     temperature at a particular level determined by following the dry adiabat
     through the forecast maximum temperature up to that level.  Negative values
     are indicative of thermal lift.

Thermal Soaring Index - An adjective rating (for sailplanes) based on the
     computed maximum rate of lift, and the wind speed and middle and high
     cloud cover expected during the soaring window (the time of the trigger
     temperature and the time of overdevelopment) according to the following:

                 Maximum rate of lift        Adjective Rating
                      >= 800 fpm                 Excellent
                 >= 400 and < 800 fpm              Good
                 >= 200 and < 400 fpm              Fair
                       < 200 fpm                   Poor

Time of Overdevelopment - The time one or more of the following phenomena,
     which essentially shut off thermal lift, is expected to occur:
     1. formation of broken to overcast convective cloud cover
     2. formation of scattered to numerous downbursts
     3. initiation of widespread precipitation

Time of Trigger Temperature - The time the surface temperature is expected to
     reach the trigger temperature.

Trigger Temperature - The surface temperature required to make the first 4000
     feet of the atmosphere dry adiabatic.

Wave Soaring Index - An empirical, adjective rating (for sailplanes) which
     attempts to combine a variety of phenomena important in mountain wave
     soaring into a single index number.  Objective points are assigned to
     these phenomena: wind speed and direction at 14,000 ft MSL, the static
     stability in the 12,000-18,000 ft MSL layer, the wind speed gradient above
     the stable layer, jet stream location and frontal and upper trough
     movements.

042613


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