EXTRA-TROPICAL  STORM  SURGE  2.3
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#Alitak, AK : 02/02/2023 23:20:30 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/01 06Z,  -1.10,   5.48,   5.05,  99.90,   0.67,
02/01 07Z,  -1.10,   6.89,   6.55,  99.90,   0.76,
02/01 08Z,  -1.10,   7.83,   7.58,  99.90,   0.85,
02/01 09Z,  -1.10,   8.16,   8.05,  99.90,   0.99,  (max)
02/01 10Z,  -1.10,   7.89,   7.83,  99.90,   1.04,
02/01 11Z,  -1.10,   7.27,   7.22,  99.90,   1.05,
02/01 12Z,  -1.10,   6.60,   6.46,  99.90,   0.96,
02/01 13Z,  -1.00,   6.13,   5.67,  99.90,   0.54,
02/01 14Z,  -1.00,   5.96,   5.29,  99.90,   0.33,  (min)
02/01 15Z,  -1.00,   6.17,   5.69,  99.90,   0.52,
02/01 16Z,  -1.00,   6.89,   6.58,  99.90,   0.69,
02/01 17Z,  -1.00,   8.09,   7.73,  99.90,   0.64,
02/01 18Z,  -1.10,   9.36,   9.01,  99.90,   0.75,
02/01 19Z,  -1.00,  10.26,  10.01,  99.90,   0.75,
02/01 20Z,  -1.00,  10.59,  10.45,  99.90,   0.86,  (max)
02/01 21Z,  -1.00,  10.16,  10.23,  99.90,   1.07,
02/01 22Z,  -1.00,   8.91,   9.03,  99.90,   1.12,
02/01 23Z,  -1.00,   7.01,   7.10,  99.90,   1.09,
02/02 00Z,  -1.00,   4.84,   4.83,  99.90,   0.99,
02/02 01Z,  -1.00,   2.82,   2.83,  99.90,   1.01,
02/02 02Z,  -1.00,   1.31,   1.16,  99.90,   0.85,
02/02 03Z,  -1.00,   0.54,   0.53,  99.90,   0.99,  (min)
02/02 04Z,  -1.00,   0.72,   0.79,  99.90,   1.07,
02/02 05Z,  -1.00,   1.95,   1.87,  99.90,   0.92,
02/02 06Z,  -0.90,   3.88,   3.76,  99.90,   0.78,
02/02 07Z,  -0.90,   5.89,   5.95,  99.90,   0.96,
02/02 08Z,  -0.90,   7.55,   7.67,  99.90,   1.02,
02/02 09Z,  -0.80,   8.59,   8.81,  99.90,   1.02,
02/02 10Z,  -0.90,   8.82,   9.11,  99.90,   1.19,  (max)
02/02 11Z,  -0.90,   8.35,   8.64,  99.90,   1.19,
02/02 12Z,  -0.80,   7.46,   7.73,  99.90,   1.07,
02/02 13Z,  -0.80,   6.53,   6.56,  99.90,   0.83,
02/02 14Z,  -0.80,   5.84,   5.65,  99.90,   0.61,
02/02 15Z,  -0.80,   5.55,   5.39,  99.90,   0.64,  (min)
02/02 16Z,  -0.80,   5.76,   5.87,  99.90,   0.91,
02/02 17Z,  -0.80,   6.64,   6.95,  99.90,   1.11,
02/02 18Z,  -0.70,   8.07,   8.35,  99.90,   0.98,
02/02 19Z,  -0.70,   9.56,   9.83,  99.90,   0.97,
02/02 20Z,  -0.70,  10.63,  10.93,  99.90,   1.00,
02/02 21Z,  -0.70,  10.97,  11.27,  99.90,   1.00,  (max)
02/02 22Z,  -0.70,  10.38,  10.73,  99.90,   1.05,
02/02 23Z,  -0.70,   8.84,   9.26,  99.90,   1.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/03 00Z,  -0.70,   6.62,  99.90,   7.04,   1.13,
02/03 01Z,  -0.60,   4.17,  99.90,   4.71,   1.14,
02/03 02Z,  -0.60,   2.00,  99.90,   2.54,   1.14,
02/03 03Z,  -0.50,   0.49,  99.90,   1.14,   1.15,
02/03 04Z,  -0.50,  -0.11,  99.90,   0.55,   1.16,  (min)
02/03 05Z,  -0.40,   0.44,  99.90,   1.20,   1.16,
02/03 06Z,  -0.40,   2.13,  99.90,   2.90,   1.17,
02/03 07Z,  -0.40,   4.48,  99.90,   5.25,   1.18,
02/03 08Z,  -0.40,   6.77,  99.90,   7.55,   1.18,
02/03 09Z,  -0.40,   8.51,  99.90,   9.30,   1.19,
02/03 10Z,  -0.40,   9.38,  99.90,  10.18,   1.20,  (max)
02/03 11Z,  -0.40,   9.29,  99.90,  10.09,   1.20,
02/03 12Z,  -0.30,   8.42,  99.90,   9.33,   1.20,
02/03 13Z,  -0.30,   7.18,  99.90,   8.08,   1.20,
02/03 14Z,  -0.30,   5.98,  99.90,   6.88,   1.20,
02/03 15Z,  -0.30,   5.18,  99.90,   6.08,   1.20,
02/03 16Z,  -0.40,   4.93,  99.90,   5.73,   1.20,  (min)
02/03 17Z,  -0.40,   5.36,  99.90,   6.17,   1.20,
02/03 18Z,  -0.40,   6.60,  99.90,   7.40,   1.20,
02/03 19Z,  -0.40,   8.39,  99.90,   9.19,   1.20,
02/03 20Z,  -0.40,  10.11,  99.90,  10.92,   1.20,
02/03 21Z,  -0.40,  11.22,  99.90,  12.02,   1.20,
02/03 22Z,  -0.40,  11.37,  99.90,  12.17,   1.20,  (max)
02/03 23Z,  -0.40,  10.41,  99.90,  11.21,   1.20,
02/04 00Z,  -0.50,   8.43,  99.90,   9.13,   1.20,
02/04 01Z,  -0.50,   5.83,  99.90,   6.53,   1.20,
02/04 02Z,  -0.60,   3.16,  99.90,   3.76,   1.20,
02/04 03Z,  -0.60,   0.97,  99.90,   1.57,   1.20,
02/04 04Z,  -0.60,  -0.34,  99.90,   0.26,   1.20,
02/04 05Z,  -0.50,  -0.53,  99.90,   0.17,   1.20,  (min)
02/04 06Z,  -0.50,   0.56,  99.90,   1.26,   1.20,
02/04 07Z,  -0.40,   2.81,  99.90,   3.61,   1.20,
02/04 08Z,  -0.40,   5.54,  99.90,   6.35,   1.20,
02/04 09Z,  -0.40,   7.95,  99.90,   8.75,   1.20,
02/04 10Z,  -0.40,   9.51,  99.90,  10.32,   1.20,
02/04 11Z,  -0.40,   9.99,  99.90,  10.79,   1.20,  (max)
02/04 12Z,  -0.40,   9.40,  99.90,  10.20,   1.20,
02/04 13Z,  -0.40,   8.05,  99.90,   8.86,   1.20,
02/04 14Z,  -0.40,   6.46,  99.90,   7.26,   1.20,
02/04 15Z,  -0.40,   5.12,  99.90,   5.92,   1.20,
02/04 16Z,  -0.50,   4.37,  99.90,   5.07,   1.20,
02/04 17Z,  -0.50,   4.36,  99.90,   5.06,   1.20,  (min)
02/04 18Z,  -0.50,   5.21,  99.90,   5.91,   1.20,
02/04 19Z,  -0.50,   6.92,  99.90,   7.63,   1.20,
02/04 20Z,  -0.50,   9.07,  99.90,   9.78,   1.20,
02/04 21Z,  -0.50,  10.89,  99.90,  11.59,   1.20,
02/04 22Z,  -0.40,  11.80,  99.90,  12.61,   1.20,  (max)
02/04 23Z,  -0.50,  11.54,  99.90,  12.24,   1.20,
02/05 00Z,  -0.50,  10.05,  99.90,  10.75,   1.20,
02/05 01Z,  -0.60,   7.59,  99.90,   8.19,   1.20,
02/05 02Z,  -0.60,   4.67,  99.90,   5.27,   1.20,
02/05 03Z,  -0.60,   1.93,  99.90,   2.53,   1.20,
02/05 04Z,  -0.60,  -0.06,  99.90,   0.54,   1.20,
02/05 05Z,  -0.50,  -0.95,  99.90,  -0.25,   1.20,  (min)
02/05 06Z,  -0.50,  -0.55,  99.90,   0.16,   1.20,
02/05 07Z,  -0.50,   1.22,  99.90,   1.93,   1.20,
02/05 08Z,  -0.50,   4.01,  99.90,   4.72,   1.20,
02/05 09Z,  -0.50,   6.96,  99.90,   7.66,   1.20,
02/05 10Z,  -0.50,   9.21,  99.90,   9.92,   1.20,
02/05 11Z,  -0.60,  10.35,  99.90,  10.95,   1.20,  (max)
02/05 12Z,  -0.60,  10.24,  99.90,  10.84,   1.20,
02/05 13Z,  -0.70,   9.06,  99.90,   9.56,   1.20,
02/05 14Z,  -0.80,   7.27,  99.90,   7.68,   1.20,
02/05 15Z,  -0.90,   5.47,  99.90,   5.77,   1.20,
02/05 16Z,  -0.90,   4.15,  99.90,   4.45,   1.20,
02/05 17Z,  -0.80,   3.64,  99.90,   4.05,   1.20,  (min)
02/05 18Z,  -0.50,   4.06,  99.90,   4.76,   1.20,
02/05 19Z,  -0.30,   5.44,  99.90,   6.34,   1.20,
02/05 20Z,  -0.20,   7.64,  99.90,   8.64,   1.20,
02/05 21Z,  -0.10,   9.99,  99.90,  11.10,   1.20,
02/05 22Z,   0.00,  11.65,  99.90,  12.86,   1.20,
02/05 23Z,   0.10,  12.13,  99.90,  13.43,   1.20,  (max)
02/06 00Z,   0.00,  11.27,  99.90,  12.47,   1.20,
02/06 01Z,   0.00,   9.21,  99.90,  10.41,   1.20,
02/06 02Z,  -0.10,   6.34,  99.90,   7.44,   1.20,
02/06 03Z,  -0.20,   3.29,  99.90,   4.29,   1.20,
02/06 04Z,  -0.40,   0.72,  99.90,   1.52,   1.20,
02/06 05Z,  -0.40,  -0.83,  99.90,  -0.03,   1.20,
02/06 06Z,  -0.50,  -1.10,  99.90,  -0.39,   1.20,  (min)
02/06 07Z,  -0.50,   0.04,  99.90,   0.75,   1.20,
02/06 08Z,  -0.40,   2.48,  99.90,   3.29,   1.20,
02/06 09Z,  -0.40,   5.64,  99.90,   6.44,   1.20,
02/06 10Z,  -0.40,   8.50,  99.90,   9.31,   1.20,
02/06 11Z,  -0.50,  10.32,  99.90,  11.02,   1.20,
02/06 12Z,  -0.50,  10.80,  99.90,  11.51,   1.20,  (max)
02/06 13Z,  -0.60,  10.02,  99.90,  10.62,   1.20,
02/06 14Z,  -0.70,   8.30,  99.90,   8.80,   1.20,
02/06 15Z,  -0.80,   6.22,  99.90,   6.62,   1.20,
02/06 16Z,  -0.90,   4.38,  99.90,   4.69,   1.20,
02/06 17Z,  -0.90,   3.29,  99.90,   3.59,   1.20,
02/06 18Z,  -1.00,   3.20,  99.90,   3.40,   1.20,