2018/01/29 - 18:10 UTC


On January 29, 2018, a storm developed at about 18:10 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.

January 29 - January 30 (18:10 UTC - 16:10 UTC)
2-day Graphs: January 29 - January 30
Storm Statistics
Avg. Wind Direction: 16.7°
Temperature
Air Pressure
Relative Humidity
Wind Speed
Average
-0.8°C
1016 hPa
90%
6.1 m/s
Maximum
4.4°C
1020 hPa
100%
11.6 m/s
Minimum
-3.9°C
1014 hPa
64%
4.0 m/s

72501 OKX Upton Observations at 00Z 30 Jan 2018

-----------------------------------------------------------------------------
   PRES   HGHT   TEMP   DWPT   RELH   MIXR   DRCT   SKNT   THTA   THTE   THTV
    hPa     m      C      C      %    g/kg    deg   knot     K      K      K 
-----------------------------------------------------------------------------
 1016.0     20    3.4   -0.6     75   3.62     60      5  275.3  285.4  275.9
 1000.0    151    2.0   -1.4     78   3.47     35     15  275.1  284.8  275.7
  981.0    305    0.6   -1.8     84   3.44     45     21  275.3  284.9  275.8
  953.0    537   -1.5   -2.3     94   3.40     45     29  275.4  284.9  276.0
  944.3    610   -2.0   -2.6     96   3.36     45     31  275.6  285.0  276.2
  925.0    774   -3.1   -3.2     99   3.28     50     28  276.1  285.3  276.7
  908.8    914   -3.9   -4.0     99   3.15     55     30  276.7  285.6  277.3
  900.0    991   -4.3   -4.4     99   3.08     56     30  277.1  285.8  277.6
  882.0   1150   -5.1   -6.1     93   2.76     59     29  277.8  285.7  278.3
  874.2   1219   -4.3   -5.8     89   2.85     60     29  279.4  287.5  279.8
  874.0   1221   -4.3   -5.8     89   2.85     60     29  279.4  287.6  279.9
  868.0   1276   -4.3   -8.5     73   2.33     59     27  279.9  286.7  280.3
  855.0   1395   -3.5  -12.5     50   1.72     56     24  282.0  287.1  282.3
  850.0   1441   -3.7  -12.7     50   1.70     55     23  282.3  287.4  282.6
  835.0   1581   -4.5  -18.5     33   1.07     50     20  282.9  286.2  283.0
  823.0   1695   -5.3  -14.3     49   1.54     45     18  283.2  287.9  283.4
  817.0   1753   -5.5  -10.5     68   2.11     43     17  283.6  289.8  283.9
  810.0   1820   -5.9   -9.2     77   2.36     40     15  283.8  290.8  284.2
  809.1   1829   -5.9   -9.2     77   2.36     40     15  283.9  290.9  284.3
  788.0   2036   -6.5  -10.0     76   2.28     13     11  285.4  292.2  285.8
  782.0   2096   -6.5  -12.5     62   1.88      5     10  286.1  291.8  286.4
  778.1   2134   -6.9  -13.0     61   1.81      0      9  286.1  291.6  286.4
  761.0   2308   -8.5  -15.5     57   1.51    340     10  286.1  290.8  286.4
  753.0   2390   -8.5  -14.5     62   1.66    331     11  287.0  292.1  287.3
  748.3   2438   -8.7  -16.2     54   1.45    325     11  287.3  291.8  287.6
  747.0   2452   -8.7  -16.7     52   1.39    321     11  287.4  291.8  287.7
  727.0   2662   -7.9   -9.6     88   2.55    262      5  290.6  298.3  291.0
  719.5   2743   -8.3   -9.7     90   2.57    240      3  290.9  298.7  291.4
  700.0   2956   -9.5   -9.8     98   2.61    195     12  291.9  299.9  292.4
  691.7   3048  -10.0  -10.2     98   2.55    190     13  292.4  300.1  292.8
  681.0   3169  -10.7  -10.8     99   2.48    188     18  292.9  300.5  293.3
  667.0   3329  -10.7  -10.8     99   2.53    185     25  294.6  302.4  295.1
  664.9   3353  -10.5  -10.6     99   2.57    185     26  295.1  303.0  295.5
  651.0   3516   -9.5   -9.6     99   2.85    193     30  298.1  306.9  298.6
  641.0   3636   -9.9  -10.1     98   2.78    199     33  298.9  307.6  299.4
  639.2   3658  -10.1  -10.3     98   2.75    200     34  299.0  307.6  299.5
  614.3   3962  -12.1  -12.8     94   2.33    215     45  300.1  307.4  300.5
  593.0   4233  -13.9  -15.1     91   2.01    219     44  301.0  307.4  301.4
  590.4   4267  -14.2  -15.3     91   1.98    220     44  301.1  307.4  301.4
  567.0   4573  -16.5  -16.9     97   1.81    222     48  301.8  307.6  302.1
  561.0   4653  -16.7  -18.3     87   1.62    223     50  302.5  307.8  302.8
  544.5   4877  -17.9  -20.6     79   1.37    225     53  303.6  308.2  303.9
  534.0   5023  -18.7  -22.1     75   1.23    227     51  304.4  308.5  304.6
  500.0   5510  -22.7  -23.7     92   1.14    235     46  305.3  309.1  305.5
  499.0   5525  -22.9  -23.8     92   1.13    235     46  305.2  309.0  305.4
  481.1   5791  -25.1  -25.8     94   0.98    235     48  305.7  309.1  305.9
  470.0   5961  -26.5  -27.0     96   0.90    238     70  306.0  309.1  306.2
  466.0   6022  -26.5  -28.1     86   0.82    239     78  306.8  309.6  306.9
  461.3   6096  -26.6  -32.3     59   0.56    240     87  307.6  309.6  307.7
  453.0   6227  -26.7  -39.7     28   0.27    238     91  309.0  310.0  309.1
  432.0   6569  -27.1  -44.1     18   0.18    232    100  312.7  313.4  312.8
  423.8   6706  -27.9  -45.7     17   0.15    230    104  313.4  314.0  313.4
  400.0   7120  -30.5  -50.5     12   0.09    230    108  315.3  315.6  315.3
Cropped Sounding from OKX - Click image for full size

72501 OKX Upton Observations at 12Z 30 Jan 2018

-----------------------------------------------------------------------------
   PRES   HGHT   TEMP   DWPT   RELH   MIXR   DRCT   SKNT   THTA   THTE   THTV
    hPa     m      C      C      %    g/kg    deg   knot     K      K      K 
-----------------------------------------------------------------------------
 1012.0     20   -3.1   -3.8     95   2.86     35      4  269.1  277.0  269.6
 1000.0    116   -3.7   -4.9     91   2.67      5     17  269.4  276.8  269.9
  981.0    267   -4.7   -6.5     87   2.41      5     22  269.9  276.6  270.3
  976.3    305   -5.0   -6.7     88   2.38      5     23  270.0  276.6  270.4
  943.0    577   -7.3   -8.2     93   2.19      9     25  270.4  276.5  270.7
  939.0    610   -7.4   -8.3     93   2.19     10     25  270.6  276.7  271.0
  931.0    677   -7.5   -8.5     93   2.17     21     24  271.1  277.2  271.5
  925.0    727   -7.1   -7.9     94   2.29     30     24  272.0  278.5  272.4
  904.0    907   -6.1   -7.0     93   2.51     35     23  274.9  282.0  275.3
  903.1    914   -6.1   -7.0     93   2.51     35     23  274.9  282.0  275.3
  868.5   1219   -7.6   -8.7     91   2.29     25     21  276.5  283.0  276.9
  861.0   1287   -7.9   -9.1     91   2.24     23     21  276.8  283.3  277.2
  850.0   1387   -7.9   -9.0     92   2.29     20     22  277.9  284.4  278.2
  829.0   1581   -8.3   -9.5     91   2.25     18     22  279.4  286.0  279.8
  802.6   1829   -9.7  -11.0     90   2.07     15     23  280.5  286.6  280.9
  771.2   2134  -11.4  -12.9     89   1.85     20     23  281.9  287.4  282.2
  741.2   2438  -13.2  -14.7     88   1.65     25     20  283.2  288.2  283.5
  712.3   2743  -14.9  -16.6     87   1.48     10     16  284.5  289.0  284.8
  706.0   2811  -15.3  -17.0     87   1.44     10     15  284.8  289.2  285.1
  700.0   2875  -15.3  -16.9     88   1.46     10     14  285.5  290.0  285.8
  684.1   3048  -15.8  -17.2     89   1.45    310      1  286.8  291.3  287.1
  682.0   3072  -15.9  -17.3     89   1.45    308      1  287.0  291.4  287.2
  659.0   3331  -14.7  -16.1     89   1.66    280      7  291.1  296.3  291.4
  630.8   3658  -17.3  -19.2     85   1.34    245     13  291.9  296.1  292.1
  605.6   3962  -19.7  -22.1     81   1.08    235     14  292.5  296.0  292.7
  585.0   4221  -21.7  -24.5     78   0.90    256     22  293.1  296.0  293.2
  581.3   4267  -22.1  -24.7     79   0.89    260     23  293.1  296.0  293.3
  567.0   4450  -23.7  -25.7     84   0.84    241     21  293.4  296.1  293.5
  534.6   4877  -26.1  -28.2     83   0.71    195     17  295.5  297.8  295.6
  524.0   5023  -26.9  -29.0     82   0.67    195     21  296.2  298.4  296.3
  513.0   5176  -26.9  -29.6     78   0.64    195     26  298.0  300.2  298.1
  500.0   5360  -28.7  -30.5     84   0.61    195     32  298.0  300.1  298.1
  488.0   5533  -30.3  -31.0     94   0.59    197     35  298.1  300.1  298.2
  482.0   5621  -30.7  -32.6     83   0.52    199     37  298.7  300.4  298.8
  455.0   6027  -34.7  -36.9     80   0.36    204     44  298.6  299.9  298.7
  450.5   6096  -34.8  -36.7     83   0.37    205     45  299.3  300.6  299.4
  447.0   6151  -34.9  -36.5     85   0.38    205     46  299.9  301.2  299.9
  431.2   6401  -36.7  -39.3     77   0.30    205     48  300.7  301.8  300.8
  426.0   6485  -37.3  -40.2     74   0.27    206     54  301.0  301.9  301.0
  421.0   6567  -37.5  -41.5     66   0.24    207     60  301.7  302.6  301.8
  415.0   6666  -37.3  -49.3     28   0.10    208     68  303.2  303.6  303.2
  406.0   6817  -37.3  -57.3     11   0.04    209     79  305.1  305.3  305.1
  400.0   6920  -37.3  -58.3      9   0.04    210     87  306.4  306.6  306.4
Cropped Sounding from OKX - Click image for full size