2016/12/18 - 04:39 UTC


On December 18, 2016, a storm developed at about 04:39 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.

December 18 - December 19 (04:39 UTC - 02:22 UTC)
3-day Graphs: December 17 - December 19
Storm Statistics
Avg. Wind Direction: 224.1°
Temperature
Air Pressure
Relative Humidity
Wind Speed
Average
8.3°C
1014 hPa
87%
5.9 m/s
Maximum
12.2°C
1028 hPa
100%
14.8 m/s
Minimum
1.7°C
1008 hPa
48%
2.2 m/s

72501 OKX Upton Observations at 12Z 18 Dec 2016

-----------------------------------------------------------------------------
   PRES   HGHT   TEMP   DWPT   RELH   MIXR   DRCT   SKNT   THTA   THTE   THTV
    hPa     m      C      C      %    g/kg    deg   knot     K      K      K 
-----------------------------------------------------------------------------
 1006.0     20   10.6   10.4     99   7.93    220      6  283.3  305.2  284.6
 1000.0     67   11.2   11.0     99   8.30    210     15  284.4  307.4  285.8
  996.0    101   11.4   11.3     99   8.51    210     20  284.9  308.6  286.3
  972.0    305   11.7   11.7    100   8.95    210     49  287.2  312.4  288.8
  954.0    462   12.0   12.0    100   9.31    213     56  289.0  315.4  290.6
  943.0    560   12.8   12.8    100   9.94    214     60  290.8  319.1  292.5
  937.4    610   12.7   12.7    100   9.92    215     62  291.2  319.4  292.9
  925.0    722   12.4   12.4    100   9.87    225     67  292.0  320.2  293.7
  914.0    823   12.4   12.1     98   9.79    230     71  293.0  321.1  294.7
  904.1    914   13.4   12.4     94  10.08    235     75  294.9  324.1  296.7
  896.0    990   14.2   12.6     90  10.33    234     76  296.5  326.6  298.4
  877.0   1172   13.4   12.0     91  10.14    231     78  297.5  327.2  299.3
  872.1   1219   14.2   10.9     81   9.48    230     79  298.8  326.8  300.5
  860.0   1338   16.2    8.2     59   7.99    227     82  302.1  326.1  303.6
  850.0   1437   15.4    7.4     59   7.65    225     84  302.3  325.4  303.7
  841.3   1524   14.9    6.2     56   7.11    225     84  302.6  324.1  303.9
  837.0   1568   14.6    5.6     55   6.86    226     84  302.8  323.6  304.0
  831.0   1628   14.4    3.4     48   5.91    227     84  303.2  321.3  304.2
  824.0   1700   14.6    3.6     48   6.05    228     83  304.1  322.7  305.2
  811.3   1829   13.5    3.5     51   6.10    230     83  304.3  323.0  305.4
  782.0   2134   10.9    3.3     59   6.24    230     85  304.7  323.9  305.9
  753.8   2438    8.3    3.1     70   6.38    235     85  305.1  324.7  306.2
  726.6   2743    5.7    2.9     82   6.52    235     83  305.4  325.4  306.6
  706.0   2982    3.6    2.7     94   6.63    239     81  305.7  326.1  306.9
  700.0   3051    3.2    1.9     91   6.31    240     80  306.0  325.4  307.2
  694.0   3121    2.6    1.5     92   6.18    240     80  306.1  325.2  307.2
  690.0   3168    2.6    0.5     86   5.78    240     80  306.6  324.5  307.7
  683.0   3251    2.8   -7.2     48   3.28    240     80  307.7  318.2  308.3
  674.0   3358    2.6   -8.4     44   3.02    240     80  308.6  318.4  309.2
  667.0   3442    1.8   -8.2     47   3.10    240     80  308.7  318.7  309.3
  658.0   3552    1.2   -4.8     64   4.09    240     80  309.2  322.2  310.0
  649.4   3658    0.5   -4.2     71   4.35    240     80  309.5  323.4  310.3
  643.0   3738   -0.1   -3.7     77   4.55    241     81  309.8  324.2  310.6
  628.0   3927   -1.1   -6.1     69   3.88    242     82  310.7  323.2  311.4
  620.0   4029   -2.1   -7.1     69   3.64    243     82  310.7  322.4  311.4
  601.7   4267   -4.2   -5.4     92   4.28    245     84  310.9  324.6  311.8
  601.0   4276   -4.3   -5.3     93   4.31    245     84  310.9  324.7  311.8
  586.0   4475   -6.1   -6.3     98   4.10    245     85  311.1  324.2  311.9
  556.6   4877   -9.0  -11.6     81   2.84    245     86  312.2  321.6  312.8
  554.0   4913   -9.3  -12.1     80   2.74    245     86  312.4  321.4  312.9
  523.0   5356  -13.1  -13.9     94   2.51    245     83  313.0  321.3  313.4
  519.0   5415  -13.1  -15.6     81   2.20    245     82  313.6  321.0  314.1
  515.0   5474  -12.1  -21.1     47   1.39    245     82  315.6  320.4  315.8
  514.2   5486  -12.1  -21.6     45   1.33    245     82  315.6  320.3  315.9
  504.0   5639  -12.5  -27.5     27   0.80    245     85  317.0  319.9  317.2
  500.0   5700  -13.1  -23.1     43   1.20    245     86  317.0  321.2  317.2
  499.0   5715  -13.1  -23.1     43   1.20    245     86  317.2  321.4  317.4
  484.0   5946  -15.1  -24.1     46   1.13    245     87  317.5  321.5  317.7
  475.0   6087  -15.9  -28.9     32   0.74    245     88  318.2  320.9  318.4
  474.4   6096  -15.9  -29.7     29   0.69    245     88  318.3  320.8  318.4
  469.0   6183  -16.1  -38.1     13   0.31    246     88  319.1  320.3  319.2
  454.0   6426  -16.9  -39.9     12   0.26    248     90  321.1  322.1  321.2
  437.0   6711  -18.7  -38.7     15   0.31    250     91  322.4  323.5  322.4
  409.0   7198  -23.3  -34.3     36   0.51    254     93  322.6  324.5  322.7
  400.0   7360  -24.5  -32.5     47   0.63    255     94  323.1  325.4  323.2
Cropped Sounding from OKX - Click image for full size

72501 OKX Upton Observations at 00Z 19 Dec 2016

-----------------------------------------------------------------------------
   PRES   HGHT   TEMP   DWPT   RELH   MIXR   DRCT   SKNT   THTA   THTE   THTV
    hPa     m      C      C      %    g/kg    deg   knot     K      K      K 
-----------------------------------------------------------------------------
 1019.0     20    6.2    0.2     65   3.83    345      7  277.9  288.6  278.5
 1016.0     44    6.2   -1.8     57   3.31    341     10  278.1  287.5  278.6
 1000.0    173    5.0   -3.0     56   3.08    320     27  278.1  286.9  278.7
  996.0    206    4.8   -4.2     52   2.82    319     28  278.3  286.3  278.7
  983.8    305    3.9   -4.0     56   2.89    315     31  278.3  286.6  278.8
  947.3    610    1.1   -3.6     71   3.11    340     27  278.5  287.4  279.1
  927.0    785   -0.5   -3.3     81   3.25    331     27  278.6  287.8  279.2
  925.0    802   -0.5   -3.2     82   3.28    330     27  278.8  288.1  279.4
  923.0    819   -0.3   -3.3     80   3.26    328     28  279.2  288.4  279.7
  912.2    914    1.2   -6.7     56   2.54    315     34  281.6  289.0  282.1
  912.0    916    1.2   -6.8     55   2.53    315     34  281.7  289.1  282.1
  899.0   1032    4.8   -7.2     41   2.49    303     34  286.5  294.0  287.0
  891.0   1105    4.8   -7.2     41   2.51    296     35  287.3  294.8  287.7
  878.5   1219    3.2   -7.4     46   2.51    285     35  286.8  294.2  287.2
  865.0   1345    1.4   -7.6     51   2.51    269     40  286.2  293.6  286.6
  862.0   1373    2.2   -3.8     65   3.36    265     41  287.3  297.2  287.9
  859.0   1401    4.4    1.3     80   4.92    261     42  289.9  304.2  290.7
  856.0   1430    5.0    2.1     82   5.23    257     44  290.8  306.1  291.7
  850.0   1487    4.8    2.6     86   5.46    250     46  291.2  307.1  292.1
  839.0   1593    4.0    3.7     98   5.98    245     46  291.4  308.8  292.5
  815.1   1829    4.0    3.9     99   6.25    235     46  293.8  312.1  294.9
  804.0   1940    4.0    4.0    100   6.38    233     51  295.0  313.8  296.1
  785.0   2134    2.8    2.8    100   6.00    230     61  295.7  313.5  296.8
  763.0   2365    1.4    1.4    100   5.58    234     63  296.6  313.2  297.6
  756.1   2438    0.8    0.4     97   5.23    235     63  296.7  312.4  297.6
  750.0   2503    0.2   -0.5     95   4.94    237     64  296.8  311.6  297.6
  737.0   2643   -0.9   -4.4     77   3.76    242     66  297.1  308.5  297.7
  727.9   2743    0.3  -11.0     43   2.28    245     68  299.4  306.6  299.8
  727.0   2752    0.4  -11.6     40   2.18    245     68  299.6  306.6  300.0
  723.0   2797    0.6  -12.4     37   2.05    247     70  300.3  306.9  300.7
  712.0   2920    0.8  -10.2     44   2.48    251     74  301.9  309.8  302.3
  700.0   3056   -0.3  -11.3     43   2.31    255     78  302.1  309.5  302.6
  662.0   3499   -4.1  -11.1     58   2.49    259     89  302.7  310.6  303.2
  648.7   3658   -5.2   -8.2     79   3.19    260     93  303.2  313.3  303.8
  645.0   3703   -5.5   -7.4     86   3.42    260     94  303.4  314.1  304.0
  628.0   3912   -6.1   -9.0     80   3.10    260    101  305.0  314.9  305.6
  624.0   3962   -5.9   -8.5     82   3.25    260    102  305.8  316.1  306.4
  610.0   4140   -5.1   -6.6     89   3.84    254     96  308.7  321.0  309.4
  600.2   4267   -6.1   -7.0     93   3.79    250     91  309.0  321.1  309.7
  588.0   4427   -7.3   -7.5     98   3.72    245     86  309.4  321.3  310.1
  577.2   4572   -7.7   -7.9     98   3.68    240     82  310.6  322.5  311.3
  554.9   4877   -8.4   -8.7     98   3.59    235     88  313.2  324.9  313.9
  547.0   4989   -8.7   -9.0     98   3.56    236     91  314.2  325.8  314.9
  502.0   5650  -12.1  -13.2     92   2.77    240    107  317.9  327.2  318.4
  500.0   5680  -12.3  -13.4     91   2.74    240    108  318.0  327.2  318.5
  492.8   5791  -13.1  -13.9     93   2.66    245    111  318.4  327.4  318.9
  481.0   5975  -14.3  -14.8     96   2.54    245    111  319.1  327.7  319.5
  475.0   6070  -14.5  -15.5     92   2.42    245    111  319.9  328.2  320.4
  473.4   6096  -14.7  -16.4     87   2.25    245    111  320.0  327.7  320.4
  471.0   6134  -15.1  -17.8     80   2.01    245    111  320.0  326.9  320.4
  459.0   6329  -16.3  -19.0     80   1.87    245    111  320.9  327.3  321.2
  442.0   6612  -18.3  -19.5     90   1.86    245    111  321.8  328.3  322.2
  419.0   7009  -20.9  -21.7     93   1.62    245    111  323.4  329.1  323.7
  410.0   7169  -22.1  -24.6     80   1.28    245    111  323.9  328.5  324.1
  400.0   7350  -23.7  -26.5     78   1.10    245    111  324.1  328.1  324.3
Cropped Sounding from OKX - Click image for full size