EXTRA-TROPICAL  STORM  SURGE  2.3
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#Alitak, AK : 03/20/2023 19:22:44 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/19 00Z,  -0.50,  -7.17,  -7.00,  99.90,   0.67,
03/19 01Z,  -0.40,  -9.89,  -9.54,  99.90,   0.75,
03/19 02Z,  -0.30, -11.91, -11.52,  99.90,   0.69,
03/19 03Z,  -0.30, -12.81, -12.25,  99.90,   0.86,  (min)
03/19 04Z,  -0.40, -12.38, -11.78,  99.90,   1.00,
03/19 05Z,  -0.40, -10.57, -10.34,  99.90,   0.63,
03/19 06Z,  -0.30,  -7.75,  -7.59,  99.90,   0.46,
03/19 07Z,  -0.30,  -4.76,  -4.28,  99.90,   0.78,
03/19 08Z,  -0.20,  -2.41,  -1.86,  99.90,   0.75,
03/19 09Z,  -0.20,  -1.15,  -0.76,  99.90,   0.59,  (max)
03/19 10Z,  -0.20,  -1.14,  -1.10,  99.90,   0.24,
03/19 11Z,  -0.30,  -2.30,  -2.25,  99.90,   0.35,
03/19 12Z,  -0.40,  -4.21,  -4.20,  99.90,   0.41,
03/19 13Z,  -0.40,  -6.32,  -6.27,  99.90,   0.45,
03/19 14Z,  -0.50,  -8.04,  -7.82,  99.90,   0.72,
03/19 15Z,  -0.50,  -8.93,  -8.78,  99.90,   0.65,  (min)
03/19 16Z,  -0.50,  -8.77,  -8.56,  99.90,   0.71,
03/19 17Z,  -0.50,  -7.47,  -7.15,  99.90,   0.82,
03/19 18Z,  -0.50,  -5.15,  -5.26,  99.90,   0.39,
03/19 19Z,  -0.50,  -2.47,  -2.72,  99.90,   0.25,
03/19 20Z,  -0.50,  -0.32,  -0.44,  99.90,   0.38,
03/19 21Z,  -0.60,   0.70,   0.44,  99.90,   0.34,  (max)
03/19 22Z,  -0.70,   0.30,  -0.04,  99.90,   0.36,
03/19 23Z,  -0.80,  -1.51,  -1.64,  99.90,   0.67,
03/20 00Z,  -0.80,  -4.38,  -4.57,  99.90,   0.61,
03/20 01Z,  -0.70,  -7.69,  -7.89,  99.90,   0.50,
03/20 02Z,  -0.80, -10.72, -10.96,  99.90,   0.56,
03/20 03Z,  -0.80, -12.78, -13.14,  99.90,   0.44,
03/20 04Z,  -0.90, -13.45, -13.69,  99.90,   0.66,  (min)
03/20 05Z,  -1.00, -12.54, -12.92,  99.90,   0.62,
03/20 06Z,  -1.00, -10.10, -10.92,  99.90,   0.18,
03/20 07Z,  -1.00,  -6.65,  -7.38,  99.90,   0.27,
03/20 08Z,  -1.00,  -3.24,  -3.50,  99.90,   0.74,
03/20 09Z,  -1.00,  -0.81,  -0.88,  99.90,   0.93,
03/20 10Z,  -1.00,   0.17,   0.01,  99.90,   0.84,  (max)
03/20 11Z,  -1.10,  -0.42,  -0.64,  99.90,   0.88,
03/20 12Z,  -1.10,  -2.32,  -2.44,  99.90,   0.98,
03/20 13Z,  -1.10,  -4.96,  -5.12,  99.90,   0.94,
03/20 14Z,  -1.10,  -7.64,  -7.73,  99.90,   1.01,
03/20 15Z,  -1.10,  -9.67,  -9.92,  99.90,   0.85,
03/20 16Z,  -1.10, -10.56, -10.69,  99.90,   0.97,  (min)
03/20 17Z,  -1.10, -10.11, -10.04,  99.90,   1.17,
03/20 18Z,  -1.10,  -8.24,  -8.28,  99.90,   1.06,
03/20 19Z,  -1.10,  -5.25,  -5.44,  99.90,   0.91,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/20 20Z,  -1.20,  -2.01,  99.90,  -2.32,   0.89,
03/20 21Z,  -1.20,   0.43,  99.90,   0.10,   0.88,
03/20 22Z,  -1.20,   1.39,  99.90,   1.05,   0.86,  (max)
03/20 23Z,  -1.20,   0.66,  99.90,   0.31,   0.84,
03/21 00Z,  -1.10,  -1.62,  99.90,  -1.89,   0.83,
03/21 01Z,  -1.00,  -4.93,  99.90,  -5.12,   0.81,
03/21 02Z,  -1.00,  -8.50,  99.90,  -8.71,   0.79,
03/21 03Z,  -1.00, -11.52,  99.90, -11.75,   0.77,
03/21 04Z,  -1.00, -13.31,  99.90, -13.56,   0.76,
03/21 05Z,  -1.00, -13.50,  99.90, -13.76,   0.74,  (min)
03/21 06Z,  -0.90, -11.95,  99.90, -12.13,   0.72,
03/21 07Z,  -0.90,  -8.84,  99.90,  -9.03,   0.71,
03/21 08Z,  -0.90,  -4.92,  99.90,  -5.11,   0.71,
03/21 09Z,  -0.90,  -1.41,  99.90,  -1.60,   0.71,
03/21 10Z,  -0.90,   0.74,  99.90,   0.54,   0.71,
03/21 11Z,  -0.90,   1.11,  99.90,   0.92,   0.71,  (max)
03/21 12Z,  -1.00,  -0.25,  99.90,  -0.54,   0.71,
03/21 13Z,  -1.00,  -2.92,  99.90,  -3.21,   0.71,
03/21 14Z,  -1.00,  -6.17,  99.90,  -6.46,   0.71,
03/21 15Z,  -1.10,  -9.18,  99.90,  -9.57,   0.71,
03/21 16Z,  -1.10, -11.24,  99.90, -11.63,   0.71,
03/21 17Z,  -1.20, -11.90,  99.90, -12.40,   0.71,  (min)
03/21 18Z,  -1.20, -10.97,  99.90, -11.47,   0.71,
03/21 19Z,  -1.20,  -8.49,  99.90,  -8.98,   0.71,
03/21 20Z,  -1.20,  -4.92,  99.90,  -5.42,   0.71,
03/21 21Z,  -1.10,  -1.39,  99.90,  -1.78,   0.71,
03/21 22Z,  -1.10,   1.00,  99.90,   0.61,   0.71,
03/21 23Z,  -1.10,   1.64,  99.90,   1.25,   0.71,  (max)
03/22 00Z,  -1.20,   0.45,  99.90,  -0.04,   0.71,
03/22 01Z,  -1.20,  -2.26,  99.90,  -2.76,   0.71,
03/22 02Z,  -1.30,  -5.81,  99.90,  -6.41,   0.71,
03/22 03Z,  -1.30,  -9.34,  99.90,  -9.94,   0.71,
03/22 04Z,  -1.40, -12.03,  99.90, -12.73,   0.71,
03/22 05Z,  -1.50, -13.29,  99.90, -14.08,   0.71,  (min)
03/22 06Z,  -1.30, -12.82,  99.90, -13.41,   0.71,
03/22 07Z,  -1.00, -10.59,  99.90, -10.88,   0.71,
03/22 08Z,  -0.90,  -6.95,  99.90,  -7.14,   0.71,
03/22 09Z,  -0.80,  -2.87,  99.90,  -2.97,   0.71,
03/22 10Z,  -0.90,   0.34,  99.90,   0.15,   0.71,
03/22 11Z,  -1.00,   1.85,  99.90,   1.56,   0.71,  (max)
03/22 12Z,  -1.10,   1.42,  99.90,   1.03,   0.71,
03/22 13Z,  -1.20,  -0.74,  99.90,  -1.23,   0.71,
03/22 14Z,  -1.20,  -4.03,  99.90,  -4.52,   0.71,
03/22 15Z,  -1.20,  -7.60,  99.90,  -8.10,   0.71,
03/22 16Z,  -1.10, -10.64,  99.90, -11.04,   0.71,
03/22 17Z,  -1.10, -12.47,  99.90, -12.87,   0.71,
03/22 18Z,  -1.10, -12.70,  99.90, -13.10,   0.71,  (min)
03/22 19Z,  -1.00, -11.22,  99.90, -11.51,   0.71,
03/22 20Z,  -1.00,  -8.18,  99.90,  -8.48,   0.71,
03/22 21Z,  -1.00,  -4.31,  99.90,  -4.61,   0.71,
03/22 22Z,  -1.00,  -0.83,  99.90,  -1.13,   0.71,
03/22 23Z,  -0.90,   1.19,  99.90,   0.99,   0.71,
03/23 00Z,  -0.90,   1.33,  99.90,   1.13,   0.71,  (max)
03/23 01Z,  -0.90,  -0.33,  99.90,  -0.52,   0.71,
03/23 02Z,  -0.90,  -3.29,  99.90,  -3.49,   0.71,
03/23 03Z,  -1.00,  -6.78,  99.90,  -7.08,   0.71,
03/23 04Z,  -1.10,  -9.94,  99.90, -10.34,   0.71,
03/23 05Z,  -1.10, -12.04,  99.90, -12.43,   0.71,
03/23 06Z,  -1.20, -12.58,  99.90, -13.08,   0.71,  (min)
03/23 07Z,  -1.10, -11.41,  99.90, -11.80,   0.71,
03/23 08Z,  -1.10,  -8.62,  99.90,  -9.02,   0.71,
03/23 09Z,  -1.00,  -4.77,  99.90,  -5.06,   0.71,
03/23 10Z,  -0.90,  -0.96,  99.90,  -1.15,   0.71,
03/23 11Z,  -0.80,   1.59,  99.90,   1.50,   0.71,
03/23 12Z,  -0.80,   2.25,  99.90,   2.15,   0.71,  (max)
03/23 13Z,  -0.80,   0.98,  99.90,   0.89,   0.71,
03/23 14Z,  -0.90,  -1.81,  99.90,  -2.01,   0.71,
03/23 15Z,  -1.00,  -5.42,  99.90,  -5.71,   0.71,
03/23 16Z,  -1.10,  -8.99,  99.90,  -9.39,   0.71,
03/23 17Z,  -1.10, -11.76,  99.90, -12.16,   0.71,
03/23 18Z,  -1.10, -13.14,  99.90, -13.53,   0.71,  (min)
03/23 19Z,  -1.10, -12.83,  99.90, -13.22,   0.71,
03/23 20Z,  -1.10, -10.83,  99.90, -11.22,   0.71,
03/23 21Z,  -1.10,  -7.48,  99.90,  -7.87,   0.71,
03/23 22Z,  -1.10,  -3.65,  99.90,  -4.04,   0.71,
03/23 23Z,  -1.10,  -0.58,  99.90,  -0.97,   0.71,
03/24 00Z,  -1.20,   0.86,  99.90,   0.37,   0.71,  (max)
03/24 01Z,  -1.30,   0.47,  99.90,  -0.13,   0.71,
03/24 02Z,  -1.40,  -1.50,  99.90,  -2.20,   0.71,
03/24 03Z,  -1.50,  -4.44,  99.90,  -5.24,   0.71,
03/24 04Z,  -1.50,  -7.56,  99.90,  -8.36,   0.71,
03/24 05Z,  -1.50, -10.10,  99.90, -10.89,   0.71,
03/24 06Z,  -1.50, -11.44,  99.90, -12.23,   0.71,  (min)
03/24 07Z,  -1.50, -11.23,  99.90, -12.02,   0.71,
03/24 08Z,  -1.40,  -9.46,  99.90, -10.16,   0.71,
03/24 09Z,  -1.20,  -6.41,  99.90,  -6.91,   0.71,
03/24 10Z,  -1.10,  -2.74,  99.90,  -3.14,   0.71,
03/24 11Z,  -1.10,   0.42,  99.90,   0.03,   0.71,
03/24 12Z,  -1.10,   2.07,  99.90,   1.67,   0.71,