EXTRA-TROPICAL  STORM  SURGE  2.2
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#Popokamute, AK : 04/19/2021 04:21:19 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 12Z,  -0.80,  -6.89,  99.90,  -7.69,   0.00,
04/17 13Z,  -0.80,  -4.59,  99.90,  -5.39,   0.00,
04/17 14Z,  -0.80,  -2.27,  99.90,  -3.07,   0.00,
04/17 15Z,  -0.70,  -0.74,  99.90,  -1.44,   0.00,
04/17 16Z,  -0.70,  -0.52,  99.90,  -1.22,   0.00,  (max)
04/17 17Z,  -0.70,  -1.49,  99.90,  -2.19,   0.00,
04/17 18Z,  -0.30,  -3.09,  99.90,  -3.39,   0.00,
04/17 19Z,  -0.30,  -4.83,  99.90,  -5.13,   0.00,
04/17 20Z,  -0.30,  -6.41,  99.90,  -6.71,   0.00,
04/17 21Z,  -0.30,  -7.60,  99.90,  -7.90,   0.00,
04/17 22Z,  -0.30,  -8.23,  99.90,  -8.53,   0.00,
04/17 23Z,  -0.30,  -8.26,  99.90,  -8.56,   0.00,  (min)
04/18 00Z,  -0.40,  -7.40,  99.90,  -7.80,   0.00,
04/18 01Z,  -0.40,  -5.73,  99.90,  -6.13,   0.00,
04/18 02Z,  -0.30,  -4.07,  99.90,  -4.37,   0.00,
04/18 03Z,  -0.30,  -3.32,  99.90,  -3.62,   0.00,  (max)
04/18 04Z,  -0.30,  -3.70,  99.90,  -4.00,   0.00,
04/18 05Z,  -0.30,  -4.81,  99.90,  -5.11,   0.00,
04/18 06Z,  -0.50,  -6.18,  99.90,  -6.68,   0.00,
04/18 07Z,  -0.50,  -7.43,  99.90,  -7.93,   0.00,
04/18 08Z,  -0.40,  -8.40,  99.90,  -8.80,   0.00,
04/18 09Z,  -0.40,  -9.02,  99.90,  -9.42,   0.00,
04/18 10Z,  -0.40,  -9.26,  99.90,  -9.66,   0.00,  (min)
04/18 11Z,  -0.30,  -9.04,  99.90,  -9.34,   0.00,
04/18 12Z,  -0.20,  -8.09,  99.90,  -8.29,   0.00,
04/18 13Z,  -0.20,  -6.18,  99.90,  -6.38,   0.00,
04/18 14Z,  -0.20,  -3.73,  99.90,  -3.93,   0.00,
04/18 15Z,  -0.20,  -1.56,  99.90,  -1.76,   0.00,
04/18 16Z,  -0.20,  -0.42,  99.90,  -0.62,   0.00,  (max)
04/18 17Z,  -0.20,  -0.63,  99.90,  -0.83,   0.00,
04/18 18Z,   0.00,  -1.91,  99.90,  -1.91,   0.00,
04/18 19Z,   0.00,  -3.62,  99.90,  -3.62,   0.00,
04/18 20Z,   0.00,  -5.34,  99.90,  -5.34,   0.00,
04/18 21Z,   0.00,  -6.81,  99.90,  -6.81,   0.00,
04/18 22Z,   0.00,  -7.83,  99.90,  -7.83,   0.00,
04/18 23Z,   0.00,  -8.30,  99.90,  -8.30,   0.00,  (min)
04/19 00Z,   0.00,  -8.12,  99.90,  -8.12,   0.00,
04/19 01Z,   0.00,  -6.96,  99.90,  -6.96,   0.00,
04/19 02Z,   0.00,  -5.13,  99.90,  -5.13,   0.00,
04/19 03Z,   0.00,  -3.68,  99.90,  -3.68,   0.00,
04/19 04Z,   0.00,  -3.33,  99.90,  -3.33,   0.00,  (max)
04/19 05Z,  -0.10,  -4.00,  99.90,  -4.10,   0.00,
04/19 06Z,  -0.10,  -5.27,  99.90,  -5.37,   0.00,
04/19 07Z,  -0.10,  -6.66,  99.90,  -6.76,   0.00,
04/19 08Z,  -0.10,  -7.84,  99.90,  -7.94,   0.00,
04/19 09Z,  -0.20,  -8.68,  99.90,  -8.88,   0.00,
04/19 10Z,  -0.20,  -9.16,  99.90,  -9.36,   0.00,
04/19 11Z,  -0.20,  -9.27,  99.90,  -9.47,   0.00,  (min)
04/19 12Z,  -0.30,  -8.88,  99.90,  -9.18,   0.00,
04/19 13Z,  -0.30,  -7.63,  99.90,  -7.93,   0.00,
04/19 14Z,  -0.40,  -5.44,  99.90,  -5.84,   0.00,
04/19 15Z,  -0.50,  -2.94,  99.90,  -3.44,   0.00,
04/19 16Z,  -0.70,  -0.99,  99.90,  -1.69,   0.00,
04/19 17Z,  -0.80,  -0.26,  99.90,  -1.06,   0.00,  (max)
04/19 18Z,  -1.00,  -0.89,  99.90,  -1.89,   0.00,
04/19 19Z,  -1.20,  -2.41,  99.90,  -3.61,   0.00,
04/19 20Z,  -1.30,  -4.19,  99.90,  -5.49,   0.00,
04/19 21Z,  -1.50,  -5.85,  99.90,  -7.35,   0.00,
04/19 22Z,  -1.70,  -7.18,  99.90,  -8.88,   0.00,
04/19 23Z,  -1.80,  -8.04,  99.90,  -9.84,   0.00,
04/20 00Z,  -2.00,  -8.35,  99.90, -10.35,   0.00,  (min)
04/20 01Z,  -2.00,  -7.92,  99.90,  -9.92,   0.00,
04/20 02Z,  -2.10,  -6.45,  99.90,  -8.55,   0.00,
04/20 03Z,  -2.10,  -4.57,  99.90,  -6.67,   0.00,
04/20 04Z,  -2.00,  -3.36,  99.90,  -5.36,   0.00,
04/20 05Z,  -1.90,  -3.34,  99.90,  -5.24,   0.00,  (max)
04/20 06Z,  -1.90,  -4.26,  99.90,  -6.16,   0.00,
04/20 07Z,  -1.80,  -5.65,  99.90,  -7.45,   0.00,
04/20 08Z,  -1.70,  -7.03,  99.90,  -8.73,   0.00,
04/20 09Z,  -1.60,  -8.14,  99.90,  -9.74,   0.00,
04/20 10Z,  -1.50,  -8.88,  99.90, -10.38,   0.00,
04/20 11Z,  -1.50,  -9.25,  99.90, -10.75,   0.00,  (min)
04/20 12Z,  -1.50,  -9.25,  99.90, -10.75,   0.00,
04/20 13Z,  -1.40,  -8.66,  99.90, -10.06,   0.00,
04/20 14Z,  -1.40,  -7.12,  99.90,  -8.52,   0.00,
04/20 15Z,  -1.40,  -4.70,  99.90,  -6.10,   0.00,
04/20 16Z,  -1.30,  -2.23,  99.90,  -3.53,   0.00,
04/20 17Z,  -1.20,  -0.58,  99.90,  -1.78,   0.00,
04/20 18Z,  -1.20,  -0.27,  99.90,  -1.47,   0.00,  (max)
04/20 19Z,  -1.20,  -1.28,  99.90,  -2.48,   0.00,
04/20 20Z,  -1.20,  -2.98,  99.90,  -4.18,   0.00,
04/20 21Z,  -1.10,  -4.78,  99.90,  -5.88,   0.00,
04/20 22Z,  -1.00,  -6.36,  99.90,  -7.36,   0.00,
04/20 23Z,  -0.90,  -7.55,  99.90,  -8.45,   0.00,
04/21 00Z,  -0.90,  -8.24,  99.90,  -9.14,   0.00,
04/21 01Z,  -0.90,  -8.38,  99.90,  -9.28,   0.00,  (min)
04/21 02Z,  -0.90,  -7.67,  99.90,  -8.57,   0.00,
04/21 03Z,  -0.80,  -5.95,  99.90,  -6.75,   0.00,
04/21 04Z,  -0.70,  -4.07,  99.90,  -4.77,   0.00,
04/21 05Z,  -0.60,  -3.08,  99.90,  -3.68,   0.00,  (max)
04/21 06Z,  -0.50,  -3.32,  99.90,  -3.82,   0.00,
04/21 07Z,  -0.40,  -4.43,  99.90,  -4.83,   0.00,
04/21 08Z,  -0.30,  -5.91,  99.90,  -6.21,   0.00,
04/21 09Z,  -0.30,  -7.29,  99.90,  -7.59,   0.00,
04/21 10Z,  -0.20,  -8.34,  99.90,  -8.54,   0.00,
04/21 11Z,  -0.10,  -9.00,  99.90,  -9.10,   0.00,
04/21 12Z,  -0.10,  -9.29,  99.90,  -9.39,   0.00,  (min)
04/21 13Z,  -0.10,  -9.18,  99.90,  -9.28,   0.00,
04/21 14Z,  -0.10,  -8.39,  99.90,  -8.49,   0.00,
04/21 15Z,  -0.10,  -6.57,  99.90,  -6.67,   0.00,
04/21 16Z,  -0.10,  -3.99,  99.90,  -4.09,   0.00,
04/21 17Z,  -0.20,  -1.62,  99.90,  -1.82,   0.00,
04/21 18Z,  -0.20,  -0.32,  99.90,  -0.52,   0.00,  (max)
04/21 19Z,  -0.30,  -0.45,  99.90,  -0.75,   0.00,
04/21 20Z,  -0.40,  -1.77,  99.90,  -2.17,   0.00,
04/21 21Z,  -0.50,  -3.61,  99.90,  -4.11,   0.00,
04/21 22Z,  -0.70,  -5.40,  99.90,  -6.10,   0.00,
04/21 23Z,  -0.80,  -6.87,  99.90,  -7.67,   0.00,
04/22 00Z,  -1.00,  -7.91,  99.90,  -8.91,   0.00,
04/22 01Z,  -1.20,  -8.44,  99.90,  -9.64,   0.00,
04/22 02Z,  -1.30,  -8.38,  99.90,  -9.68,   0.00,  (min)
04/22 03Z,  -1.40,  -7.41,  99.90,  -8.81,   0.00,
04/22 04Z,  -1.50,  -5.49,  99.90,  -6.99,   0.00,
04/22 05Z,  -1.60,  -3.61,  99.90,  -5.21,   0.00,
04/22 06Z,  -1.60,  -2.79,  99.90,  -4.39,   0.00,  (max)
04/22 07Z,  -1.70,  -3.21,  99.90,  -4.91,   0.00,
04/22 08Z,  -1.60,  -4.47,  99.90,  -6.07,   0.00,
04/22 09Z,  -1.60,  -6.03,  99.90,  -7.63,   0.00,
04/22 10Z,  -1.50,  -7.42,  99.90,  -8.92,   0.00,
04/22 11Z,  -1.40,  -8.44,  99.90,  -9.84,   0.00,
04/22 12Z,  -1.30,  -9.05,  99.90, -10.35,   0.00,
04/22 13Z,  -1.20,  -9.28,  99.90, -10.48,   0.00,  (min)
04/22 14Z,  -1.00,  -9.07,  99.90, -10.07,   0.00,
04/22 15Z,  -0.90,  -8.08,  99.90,  -8.98,   0.00,
04/22 16Z,  -0.80,  -6.00,  99.90,  -6.80,   0.00,
04/22 17Z,  -0.70,  -3.33,  99.90,  -4.03,   0.00,
04/22 18Z,  -0.60,  -1.15,  99.90,  -1.75,   0.00,
04/22 19Z,  99.90,  -0.22,  99.90,  99.90,   0.00,
04/22 20Z,  99.90,  -0.78,  99.90,  99.90,   0.00,
04/22 21Z,  99.90,  -2.37,  99.90,  99.90,   0.00,
04/22 22Z,  99.90,  -4.29,  99.90,  99.90,   0.00,
04/22 23Z,  99.90,  -6.04,  99.90,  99.90,   0.00,
04/23 00Z,  99.90,  -7.40,  99.90,  99.90,   0.00,