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Forecast high taken from IPT
  29-APR-2016 12 UTC  Soaring report from IAD upper air data.
   Forecast high: 53 F; est. base of any clouds: 2500 feet AGL.

                    === Raw Upper-Air Data ===
Feet MSL:    279    468   1680   2134   2714   3158   3701   3886   4198   4736
Pres mb:    1007   1000    956    940    920    905    887    881    871    854
Temp C:      7.8    7.2    5.4    6.4    6.6    6.4    8.0   10.0   10.0    9.0
VirT C:      8.9    8.2    6.3    7.4    7.7    7.5    9.2   11.4   11.4   10.2
DewPt C:     6.9    6.3    4.5    5.7    5.8    5.7    7.3    9.0    8.8    6.6
Wdir@kts:         25  3                40  3                                   

       === Interpolations (temps in deg. F, altitudes in feet MSL) ===
  MSL  *TI* Wdir@kts trig  VirT  1.5 degrees/division ("`": Dry Adiabatic)
-----  ---- -------- ---- . ---- -----------------------------------------
12000  18.0  270  34   85 | 24.4 `                    :
11500  16.6            83 | 24.7  `                   :
11000  16.3  260  24   82 | 26.7    `                  :
10500  16.0            82 | 28.8      `                 :
10000  15.9  275  21   82 | 31.3       `                  :
 9500  15.3            81 | 33.0         `                 :
 9000  15.0  285  20   80 | 35.0           `                :
 8500  14.7            79 | 37.1             `                :
 8000  14.4  280  17   79 | 39.3              `                :
 7500  14.1            78 | 41.4                `                :
 7000  13.1  290  14   76 | 42.3                  `              :
 6500  12.9            76 | 44.6                    `              :
 6000  12.3  280  16   75 | 46.3                     `              :
 5500  11.8            74 | 47.9                       `             :
 5000  11.2  275  19   73 | 49.6                         `            :
 4500  10.7            72 | 51.3                           `           :
 4000   9.9  275  18   71 | 52.5                            `           :
 3500   5.6            63 | 47.4                              `      :
 3000   3.0  250   3   58 | 45.6                                `  :
 2500   1.6   40   3   56 | 45.6                                  `:
 2000  -0.4   85   2   53 | 44.8                                   :
 1500  -2.3            50 | 43.9                                  :  `
 1000  -3.1   60   7   48 | 45.3                                   :   `
  500  -3.8   25   3   47 | 46.7                                    :   `


   === Complete Upper Air Data ===

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

   1007.0      279      8.9      7.8      6.9
   1000.0      468      8.2      7.2      6.3       25        3
    956.0     1680      6.3      5.4      4.5
    940.0     2134      7.4      6.4      5.7
    920.0     2714      7.7      6.6      5.8       40        3
    905.0     3158      7.5      6.4      5.7
    887.0     3701      9.2      8.0      7.3
    881.0     3886     11.4     10.0      9.0
    871.0     4198     11.4     10.0      8.8
    854.0     4736     10.2      9.0      6.6
    850.0     4864     10.0      8.8      6.4      275       19
    801.0     6471      7.1      6.0      3.9
    785.0     7012      5.7      4.8      0.7
    769.0     7564      5.2      4.2      1.9
    735.0     8766      2.2      1.4     -1.5
    709.0     9715      0.1     -0.7     -2.0
    700.0    10050     -0.4     -1.1     -4.2      270       26
    696.0    10201     -0.7     -1.3     -4.7
    686.0    10579     -2.0     -2.7     -4.3
    673.0    11076     -3.1     -3.7     -6.1
    663.0    11464     -4.1     -4.7     -6.0
    654.0    11817     -3.9     -4.5     -6.4
    652.0    11896     -4.0     -4.5     -8.0
    649.0    12016     -4.2     -4.5    -17.5
    647.0    12095     -4.3     -4.5    -22.5
    632.0    12701     -4.5     -4.7    -18.7
    628.0    12865     -4.3     -4.5    -18.5
    621.0    13155     -4.0     -4.1    -27.1
    606.0    13786     -4.9     -4.9    -42.9
    579.0    14958     -6.2     -6.3    -37.3
    540.0    16733    -10.0    -10.1    -36.1
    523.0    17541    -10.7    -10.7    -43.7
    500.0    18669    -13.5    -13.5    -43.5      270       48
    495.0    18920    -13.9    -13.9    -50.9
    452.0    21156    -20.2    -20.3    -34.3
    445.0    21534    -20.8    -20.9    -38.9
    425.0    22643    -23.9    -23.9    -42.9
    400.0    24082    -28.1    -28.1    -43.1      275       51
    387.0    24857    -30.3    -30.3    -46.3
    377.0    25468    -30.5    -30.5    -65.5
    336.0    28111    -37.9    -37.9    -58.9
    300.0    30642    -43.5    -43.5    -59.5      285       67
    253.0    34331    -52.1    -52.1    -67.1
    250.0    34584    -52.7    -52.7    -66.7      285       74
    200.0    39224    -60.7    -60.7    -74.7      290       65
    194.0    39844    -61.7    -61.7    -73.7      280       66
    191.0    40162    -59.9    -59.9    -73.9
    185.0    40817    -59.3    -59.3    -76.3
    168.0    42783    -62.5    -62.5    -86.5
    162.0    43520    -62.1    -62.1    -86.1
    158.0    44029    -60.5    -60.5    -88.5
    150.0    45090    -60.5    -60.5    -91.5      280       52
    149.0    45227    -60.3    -60.3    -91.3
    141.0    46352    -61.7    -61.7    -91.7
    135.0    47239    -60.1    -60.1    -91.1
    126.0    48650    -60.5    -60.5    -91.5
    119.0    49813    -62.3    -62.3    -92.3
    117.0    50157    -61.5    -61.5    -92.5
    114.0    50689    -58.5    -58.5    -89.5
    108.0    51799    -60.3    -60.3    -91.3
    106.0    52183    -58.9    -58.9    -89.9
    103.0    52775    -58.1    -58.1    -89.1
Additional wind data:

  H(ft)   dir   spd
 ------   ---   ---
  1000     60     7
  2000     85     2
  3000    250     3
  4000    275    18
  6000    280    16
  7000    290    14
  8000    280    17
  9000    285    20
 10000    275    21
 11000    260    24
 12000    270    34
 13000    275    42
 14000    275    41
 16000    285    42
 20000    270    47
 22000    280    44
 25000    275    53
 30000    290    65
 38000    285    83
 42000    275    38
 43000    260    46
 44000    270    58
 50000    275    42