2015/04/20 - 03:38 UTC


On April 20, 2015, a storm developed at about 03:38 UTC. Below are the dBZ, doppler velocity, and spectral width radar images and graphs of statistics during and around the storm. The areas of the graph colored green represent the time of the storm. All images link to a larger image.

April 20 (03:38 UTC - 19:52 UTC)
2-day Graphs: April 19 - April 20
Storm Statistics
Avg. Wind Direction: 117.1°
Temperature
Air Pressure
Relative Humidity
Wind Speed
Average
9.4°C
1015 hPa
83%
5.0 m/s
Maximum
11.7°C
1023 hPa
96%
16.1 m/s
Minimum
7.2°C
1006 hPa
76%
2.2 m/s

72501 OKX Upton Observations at 12Z 20 Apr 2015

-----------------------------------------------------------------------------
   PRES   HGHT   TEMP   DWPT   RELH   MIXR   DRCT   SKNT   THTA   THTE   THTV
    hPa     m      C      C      %    g/kg    deg   knot     K      K      K 
-----------------------------------------------------------------------------
 1013.0     20    9.4    6.5     82   6.03    115      6  281.5  298.3  282.5
 1000.0    130    8.4    5.8     84   5.81     95     22  281.6  297.8  282.5
  986.0    246    7.6    5.8     88   5.90    102     33  281.9  298.3  282.9
  979.0    305    7.5    5.9     90   5.99    105     38  282.4  299.1  283.4
  970.0    381    7.4    6.1     91   6.12    109     41  283.0  300.1  284.1
  952.0    536    8.2    6.6     90   6.46    116     46  285.3  303.6  286.4
  943.5    610    8.2    7.1     93   6.75    120     49  286.1  305.1  287.2
  925.0    774    8.2    8.2    100   7.43    130     40  287.7  308.7  289.0
  909.5    914    8.2    8.2    100   7.55    140     40  289.1  310.6  290.4
  909.0    918    8.2    8.2    100   7.56    140     40  289.1  310.7  290.4
  890.0   1093    8.8    8.8    100   8.05    155     39  291.5  314.6  292.9
  876.6   1219    8.2    8.1     99   7.76    165     39  292.1  314.5  293.5
  860.0   1377    7.4    7.1     98   7.41    171     40  292.9  314.4  294.2
  850.0   1473    7.0    6.0     93   6.94    175     40  293.5  313.7  294.7
  844.8   1524    6.7    5.2     90   6.59    175     41  293.7  312.9  294.8
  840.0   1570    6.4    4.4     87   6.28    174     41  293.8  312.2  294.9
  831.0   1659    6.0    0.0     65   4.63    173     41  294.3  308.1  295.1
  813.9   1829    4.8   -0.6     68   4.52    170     40  294.8  308.3  295.6
  803.0   1939    4.0   -1.0     70   4.45    168     39  295.1  308.4  295.9
  798.0   1990    4.0   -3.0     60   3.86    167     39  295.6  307.3  296.3
  783.9   2134    3.1   -4.8     56   3.44    165     38  296.2  306.7  296.8
  782.0   2154    3.0   -5.0     56   3.39    165     38  296.2  306.6  296.9
  760.0   2385    1.2   -8.8     47   2.60    165     40  296.7  304.8  297.2
  754.9   2438    0.7   -8.9     48   2.59    165     41  296.8  304.8  297.2
  726.6   2743   -2.0   -9.7     56   2.54    160     42  297.0  304.9  297.5
  718.0   2839   -2.9   -9.9     59   2.52    170     44  297.1  304.9  297.5
  710.0   2928   -1.9   -2.7     94   4.44    179     46  299.1  312.6  299.9
  703.0   3007   -0.5   -0.5    100   5.28    187     48  301.5  317.6  302.5
  700.0   3041   -0.3   -0.3    100   5.38    190     49  302.1  318.6  303.1
  692.0   3133    0.2    0.2    100   5.64    193     51  303.7  321.0  304.7
  673.3   3353   -0.6   -0.7     99   5.41    200     56  305.2  322.0  306.2
  648.1   3658   -1.6   -2.0     97   5.11    215     52  307.4  323.4  308.3
  632.0   3860   -2.3   -2.9     96   4.91    218     52  308.8  324.3  309.7
  623.9   3962   -2.0   -3.1     92   4.89    220     52  310.3  325.8  311.2
  622.0   3987   -1.9   -3.2     91   4.88    220     52  310.7  326.2  311.6
  600.4   4267   -3.5   -4.6     92   4.55    220     51  311.9  326.5  312.8
  583.0   4501   -4.9   -5.8     93   4.28    220     51  313.0  326.8  313.8
  558.0   4846   -5.5   -8.6     79   3.60    220     51  316.2  328.1  316.9
  555.8   4877   -5.7   -8.8     79   3.56    220     51  316.3  328.1  317.0
  510.0   5547  -10.1  -12.6     82   2.86    224     45  318.9  328.5  319.4
  500.0   5700  -11.5  -13.0     89   2.83    225     44  318.9  328.5  319.5
  490.0   5854  -12.9  -13.8     93   2.70    225     44  319.1  328.2  319.6
  478.0   6043  -13.5  -15.4     86   2.43    225     43  320.6  328.9  321.1
  474.6   6096  -14.0  -15.6     87   2.40    225     43  320.7  328.9  321.1
  461.0   6316  -15.9  -16.6     94   2.28    225     42  320.9  328.8  321.4
  455.8   6401  -16.4  -17.1     94   2.20    225     41  321.4  329.0  321.8
  415.0   7099  -20.5  -21.7     90   1.63    229     45  324.8  330.6  325.1
  400.0   7370  -22.5  -24.0     88   1.38    230     47  325.7  330.6  325.9
Cropped Sounding from OKX - Click image for full size