ftp/pub/stations/radiosonde/2000/89022/89022_2000109_12.TXT

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SOUNDING # 1     IDN= 89022    DAY=2000109    TIME=120000     VALID LEVELS= 34
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     Idn     Id    Station Name           St  Co   Lat     Lon      Elev
     89022         Halley                     AQ   75:30S  026:39W  30
------------------------------------------------------------------------------

   Level    Pressure  Temp  Dew Point  Dir    Speed   Height   Theta   Mix
   Type       [MB]     [C]     [C]    [deg]   [KTS]    [M ]     [K]   [g/kg]
  --------   ------   -----   -----   -----   -----  -------   -----  ------
    SFC       996.0   -23.3   -25.9    85.0     8.9     30.0   250.1   0.465
    SIGT      965.0   -20.5   -27.5    91.4     7.2    262.8   255.2   0.415
    MAND      925.0   -21.5   -29.5   100.0     4.9    575.7   257.3   0.359
    SIGT      901.0   -22.3   -28.3    92.2     7.0    769.3   258.5   0.413
    SIGT      886.0   -21.9   -23.4    87.2     8.4    892.8   260.1   0.654
    MAND      850.0   -24.5   -25.2    75.0    11.8   1196.7   260.5   0.581
    SIGT      840.0   -25.3   -26.0    82.5    11.6   1282.8   260.5   0.547
    SIGT      830.0   -22.1   -24.1    90.2    11.4   1370.4   264.8   0.656
    SIGT      782.0   -21.9   -29.9   128.7    10.2   1808.9   269.6   0.409
    SIGT      733.0   -22.1   -35.1   170.4     8.9   2285.2   274.4   0.265
    MAND      700.0   -23.9   -37.9   200.0     8.0   2622.9   276.0   0.209
    SIGT      646.0   -27.5   -41.5   206.1     9.7   3205.1   278.4   0.156
    SIGT      562.0   -33.7   -49.7   216.5    12.6   4195.1   282.4   0.074
    MAND      500.0   -40.5   -----   225.0    15.0   5000.6   283.7   -----
    SIGT      484.0   -42.3   -----   225.8    15.7   5224.6   284.1   -----
    SIGT      417.0   -49.5   -----   229.1    18.9   6216.8   287.2   -----
    MAND      400.0   -51.9   -----   230.0    19.8   6488.1   287.6   -----
    SIGT      357.0   -56.9   -----   232.8    17.1   7217.0   290.3   -----
    TRO1      325.0   -59.3   -----   235.0    15.0   7808.8   294.9   -----
    MAND      300.0   -59.3   -----   240.0    18.8   8310.4   301.8   -----
    SIGT      278.0   -60.3   -----   240.0    20.1   8786.5   307.0   -----
    MAND      250.0   -57.7   -----   240.0    22.0   9452.6   320.3   -----
    SIGT      207.0   -53.9   -----   240.0    21.1  10654.7   344.0   -----
    MAND      200.0   -54.3   -----   240.0    21.0  10875.5   346.8   -----
    MAND      150.0   -55.9   -----   240.0    19.8  12713.5   373.8   -----
    SIGT      146.0   -56.3   -----   240.3    20.0  12885.4   376.0   -----
    SIGT      112.0   -58.5   -----   243.6    21.4  14561.3   401.5   -----
    MAND      100.0   -59.5   -----   245.0    22.0  15272.5   412.8   -----
    SIGT       81.8   -60.9   -----   -----   -----  16526.0   434.3   -----
    SIGT       58.8   -63.7   -----   -----   -----  18565.6   471.0   -----
    SIGT       43.9   -65.5   -----   -----   -----  20351.4   507.7   -----
    SIGT       32.4   -67.5   -----   -----   -----  22190.7   548.4   -----
    SIGT       23.7   -67.5   -----   -----   -----  24074.8   599.8   -----
    SIGT       17.9   -67.9   -----   -----   -----  25764.5   648.6   -----


Parcel Definition for 100 mb Boundary Layer:   1200 UTC 18 Apr 2000109
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    Dewpoint Temperature (TD)                    =    -28.0 C
    Potential Temperature (Th)                   =    255.7 K
    Equivalent Potential Temperature (ThE)       =    256.8 K
    Mixing Ratio (MIX)                           =      0.4 g/kg

Stability Indices and Levels:
-----------------------------
    Lifted Condensation Level (LCL)              =      847 mb
    Temperature at LCL (TLCL)                    =    -29.3 C
    Level of Free Convection (LFC)               =    -----
    Equilibrium Level (EL)                       =    -----
    Convective Temperature (CVT)                 =    -----
    Forecast Maximum Temperature (FMAX)          =    -12.5 C

    K Index (KI)                                 =    -23.2
    Lifted Index (LI)                            =     22.1
    Severe WEAther Threat Index (SwI)            =     39.4
    Showalter Index (ShI)                        =     17.9
    Total Totals Index (TTI)                     =     31.3

    Precipitable Water (PW)                      =      1.2 mm

Energy Analysis:
----------------
    Helicity (HELI)                              =       48 m**2/s**2
    Convective Available Potential Energy (CAPE) =    -----
    Convective Inhibition (CIN)                  =    -----

    Theta-E for Forecast Maximum Temperature     =      262 K
    CAPE for Forecast Maximum Temperature        =    -----

    Maximum Theta-E at or below 300 mb           =      295 K
    Pressure Level of Maximum Theta-E            =      325 mb
    CAPE for Maximum Theta-E                     =    -----

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UALIST:  Done