Messages:

20210312:  Forecast high temps missing again.
20201210: fixed a bug which produced "segmentation fault" error messages
20191227:  Forecast high temps back (again).  NWS site problems.
20190606:  Forecast high temps are back
Forecast high temperature missing.
  14-APR-2021  0 UTC  Soaring report from DVN upper air data.
No forecast high or estimated cloud base.

                    === Raw Upper-Air Data ===
Feet MSL:    751    779   2794   4892   6694   8028   9905  11216  11761  13297
Pres mb:     992    991    920    850    793    753    700    665    651    613
Temp C:     11.6   11.2    5.6   -0.9   -5.9   -4.7   -6.7   -7.5   -5.9   -8.7
VirT C:     12.3   11.8    6.1   -0.4   -5.5   -4.5   -6.6   -7.5   -5.9   -8.7
DewPt C:     0.6   -0.8   -4.4   -5.9   -8.6  -17.7  -29.7  -45.5  -53.9       
Wdir@kts:               265 23 265 24               280 41                     

       === Interpolations (temps in deg. F, altitudes in feet MSL) ===
  MSL  *TI* Wdir@kts trig  VirT  0.9 degrees/division ("`": Dry Adiabatic)
-----  ---- -------- ---- . ---- -----------------------------------------
 8000        285  37   62 | 23.9 `        :
 7500                  58 | 23.2   `     :
 7000        280  33   55 | 22.5      ` :
 6500                  53 | 23.1         :
 6000        270  29   53 | 25.6            :
 5500                  53 | 28.2              :`
 5000        265  27   53 | 30.7                 :`
 4500                  53 | 33.4                    :
 4000        265  21   53 | 36.2                       :
 3500                  53 | 39.0                          :
 3000        265  22   53 | 41.8                             :
 2500                  53 | 44.5                                :
 2000        270  24   53 | 47.0                                   :
 1500                  53 | 49.6                                     :`
 1000        260  16   53 | 52.2                                        :


   === Complete Upper Air Data ===

   P(mb)     H(ft)    Tv(C)    T(C)    DP(C)   wind dir  wind spd

    992.0      751     12.3     11.6      0.6
    991.0      779     11.8     11.2     -0.8
    920.0     2794      6.1      5.6     -4.4      265       23
    850.0     4892     -0.4     -0.9     -5.9      265       24
    793.0     6694     -5.5     -5.9     -8.6
    753.0     8028     -4.5     -4.7    -17.7
    700.0     9905     -6.6     -6.7    -29.7      280       41
    665.0    11216     -7.5     -7.5    -45.5
    651.0    11761     -5.9     -5.9    -53.9
    613.0    13297     -8.7     -8.7         
    500.0    18363    -20.0    -20.1    -34.1      265       72
    480.0    19352    -21.8    -21.9    -35.9
    453.0    20740    -25.2    -25.3    -30.3
    435.0    21702    -27.4    -27.5    -32.3
    400.0    23670    -30.5    -30.5    -42.5      270       87
    397.0    23846    -30.7    -30.7    -42.7
    300.0    30171    -45.5    -45.5    -56.5      265      102
    250.0    34078    -54.7    -54.7    -64.7      265      103
    231.0    35738    -54.5    -54.5    -68.5
    214.0    37359    -50.3    -50.3    -73.3
    200.0    38804    -51.5    -51.5    -80.5      275       60
    184.0    40572    -53.5    -53.5    -83.5
    150.0    44897    -52.1    -52.1    -84.1      275       44
    141.0    46213    -51.5    -51.5    -84.5
    124.0    48921    -56.1    -56.1    -86.1      245       31
    101.0    53200    -56.1    -56.1    -86.1
Additional wind data:

  H(ft)   dir   spd
 ------   ---   ---
  1000    260    16
  2000    270    24
  3000    265    22
  4000    265    21
  5000    265    27
  6000    270    29
  7000    280    33
  8000    285    37
  9000    285    38
 12000    270    56
 14000    265    64
 15000    265    65
 16000    265    65
 20000    270    81
 22000    270    88
 25000    270    89
 30000    265   102
 34000    265   104
 35000    265    96
 39000    270    56
 43000    265    59
 47000    285    32
 48000    260    23
 49000    245    33
 50000    255    38
 52000    260    44