EXTRA-TROPICAL  STORM  SURGE  2.2
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#Popokamute, AK : 04/19/2021 06:20:44 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 12Z,  -0.80,  -9.10,  99.90,  -9.90,   0.00,
04/17 13Z,  -0.80,  -6.80,  99.90,  -7.60,   0.00,
04/17 14Z,  -0.80,  -4.48,  99.90,  -5.28,   0.00,
04/17 15Z,  -0.70,  -2.95,  99.90,  -3.65,   0.00,
04/17 16Z,  -0.70,  -2.73,  99.90,  -3.43,   0.00,  (max)
04/17 17Z,  -0.70,  -3.70,  99.90,  -4.40,   0.00,
04/17 18Z,  -0.30,  -5.30,  99.90,  -5.60,   0.00,
04/17 19Z,  -0.30,  -7.04,  99.90,  -7.34,   0.00,
04/17 20Z,  -0.30,  -8.62,  99.90,  -8.92,   0.00,
04/17 21Z,  -0.30,  -9.81,  99.90, -10.11,   0.00,
04/17 22Z,  -0.30, -10.44,  99.90, -10.74,   0.00,
04/17 23Z,  -0.30, -10.47,  99.90, -10.77,   0.00,  (min)
04/18 00Z,  -0.40,  -9.61,  99.90, -10.01,   0.00,
04/18 01Z,  -0.40,  -7.94,  99.90,  -8.34,   0.00,
04/18 02Z,  -0.30,  -6.28,  99.90,  -6.58,   0.00,
04/18 03Z,  -0.30,  -5.53,  99.90,  -5.83,   0.00,  (max)
04/18 04Z,  -0.30,  -5.91,  99.90,  -6.21,   0.00,
04/18 05Z,  -0.30,  -7.02,  99.90,  -7.32,   0.00,
04/18 06Z,  -0.50,  -8.39,  99.90,  -8.89,   0.00,
04/18 07Z,  -0.50,  -9.64,  99.90, -10.14,   0.00,
04/18 08Z,  -0.40, -10.61,  99.90, -11.01,   0.00,
04/18 09Z,  -0.40, -11.23,  99.90, -11.63,   0.00,
04/18 10Z,  -0.40, -11.47,  99.90, -11.87,   0.00,  (min)
04/18 11Z,  -0.30, -11.25,  99.90, -11.55,   0.00,
04/18 12Z,  -0.20, -10.30,  99.90, -10.50,   0.00,
04/18 13Z,  -0.20,  -8.39,  99.90,  -8.59,   0.00,
04/18 14Z,  -0.20,  -5.94,  99.90,  -6.14,   0.00,
04/18 15Z,  -0.20,  -3.77,  99.90,  -3.97,   0.00,
04/18 16Z,  -0.20,  -2.63,  99.90,  -2.83,   0.00,  (max)
04/18 17Z,  -0.20,  -2.84,  99.90,  -3.04,   0.00,
04/18 18Z,   0.00,  -4.12,  99.90,  -4.12,   0.00,
04/18 19Z,   0.00,  -5.83,  99.90,  -5.83,   0.00,
04/18 20Z,   0.00,  -7.55,  99.90,  -7.55,   0.00,
04/18 21Z,   0.00,  -9.02,  99.90,  -9.02,   0.00,
04/18 22Z,   0.00, -10.04,  99.90, -10.04,   0.00,
04/18 23Z,   0.00, -10.51,  99.90, -10.51,   0.00,  (min)
04/19 00Z,  -0.10, -10.33,  99.90, -10.43,   0.00,
04/19 01Z,  -0.10,  -9.17,  99.90,  -9.27,   0.00,
04/19 02Z,  -0.10,  -7.34,  99.90,  -7.44,   0.00,
04/19 03Z,  -0.10,  -5.89,  99.90,  -5.99,   0.00,
04/19 04Z,  -0.10,  -5.54,  99.90,  -5.64,   0.00,  (max)
04/19 05Z,  -0.10,  -6.21,  99.90,  -6.31,   0.00,
04/19 06Z,  -0.10,  -7.48,  99.90,  -7.58,   0.00,
04/19 07Z,  -0.10,  -8.87,  99.90,  -8.97,   0.00,
04/19 08Z,  -0.20, -10.05,  99.90, -10.25,   0.00,
04/19 09Z,  -0.20, -10.89,  99.90, -11.09,   0.00,
04/19 10Z,  -0.20, -11.37,  99.90, -11.57,   0.00,
04/19 11Z,  -0.30, -11.48,  99.90, -11.78,   0.00,  (min)
04/19 12Z,  -0.30, -11.09,  99.90, -11.39,   0.00,
04/19 13Z,  -0.40,  -9.84,  99.90, -10.24,   0.00,
04/19 14Z,  -0.50,  -7.65,  99.90,  -8.15,   0.00,
04/19 15Z,  -0.60,  -5.15,  99.90,  -5.75,   0.00,
04/19 16Z,  -0.70,  -3.20,  99.90,  -3.90,   0.00,
04/19 17Z,  -0.80,  -2.47,  99.90,  -3.27,   0.00,  (max)
04/19 18Z,  -1.00,  -3.10,  99.90,  -4.10,   0.00,
04/19 19Z,  -1.20,  -4.62,  99.90,  -5.82,   0.00,
04/19 20Z,  -1.40,  -6.40,  99.90,  -7.80,   0.00,
04/19 21Z,  -1.60,  -8.06,  99.90,  -9.66,   0.00,
04/19 22Z,  -1.70,  -9.39,  99.90, -11.09,   0.00,
04/19 23Z,  -1.90, -10.25,  99.90, -12.15,   0.00,
04/20 00Z,  -2.00, -10.56,  99.90, -12.56,   0.00,  (min)
04/20 01Z,  -2.00, -10.13,  99.90, -12.13,   0.00,
04/20 02Z,  -2.10,  -8.66,  99.90, -10.76,   0.00,
04/20 03Z,  -2.00,  -6.78,  99.90,  -8.78,   0.00,
04/20 04Z,  -1.90,  -5.57,  99.90,  -7.47,   0.00,
04/20 05Z,  -1.80,  -5.55,  99.90,  -7.35,   0.00,  (max)
04/20 06Z,  -1.70,  -6.47,  99.90,  -8.17,   0.00,
04/20 07Z,  -1.60,  -7.86,  99.90,  -9.46,   0.00,
04/20 08Z,  -1.50,  -9.24,  99.90, -10.74,   0.00,
04/20 09Z,  -1.50, -10.35,  99.90, -11.85,   0.00,
04/20 10Z,  -1.40, -11.09,  99.90, -12.49,   0.00,
04/20 11Z,  -1.40, -11.46,  99.90, -12.86,   0.00,  (min)
04/20 12Z,  -1.30, -11.46,  99.90, -12.76,   0.00,
04/20 13Z,  -1.30, -10.87,  99.90, -12.17,   0.00,
04/20 14Z,  -1.20,  -9.33,  99.90, -10.53,   0.00,
04/20 15Z,  -1.10,  -6.91,  99.90,  -8.01,   0.00,
04/20 16Z,  -1.00,  -4.44,  99.90,  -5.44,   0.00,
04/20 17Z,  -0.90,  -2.79,  99.90,  -3.69,   0.00,
04/20 18Z,  -0.80,  -2.48,  99.90,  -3.28,   0.00,  (max)
04/20 19Z,  -0.80,  -3.49,  99.90,  -4.29,   0.00,
04/20 20Z,  -0.80,  -5.19,  99.90,  -5.99,   0.00,
04/20 21Z,  -0.80,  -6.99,  99.90,  -7.79,   0.00,
04/20 22Z,  -0.70,  -8.57,  99.90,  -9.27,   0.00,
04/20 23Z,  -0.60,  -9.76,  99.90, -10.36,   0.00,
04/21 00Z,  -0.60, -10.45,  99.90, -11.05,   0.00,
04/21 01Z,  -0.60, -10.59,  99.90, -11.19,   0.00,  (min)
04/21 02Z,  -0.60,  -9.88,  99.90, -10.48,   0.00,
04/21 03Z,  -0.60,  -8.16,  99.90,  -8.76,   0.00,
04/21 04Z,  -0.70,  -6.28,  99.90,  -6.98,   0.00,
04/21 05Z,  -0.60,  -5.29,  99.90,  -5.89,   0.00,  (max)
04/21 06Z,  -0.60,  -5.53,  99.90,  -6.13,   0.00,
04/21 07Z,  -0.50,  -6.64,  99.90,  -7.14,   0.00,
04/21 08Z,  -0.50,  -8.12,  99.90,  -8.62,   0.00,
04/21 09Z,  -0.50,  -9.50,  99.90, -10.00,   0.00,
04/21 10Z,  -0.50, -10.55,  99.90, -11.05,   0.00,
04/21 11Z,  -0.50, -11.21,  99.90, -11.71,   0.00,
04/21 12Z,  -0.50, -11.50,  99.90, -12.00,   0.00,  (min)
04/21 13Z,  -0.40, -11.39,  99.90, -11.79,   0.00,
04/21 14Z,  -0.30, -10.60,  99.90, -10.90,   0.00,
04/21 15Z,  -0.30,  -8.78,  99.90,  -9.08,   0.00,
04/21 16Z,  -0.20,  -6.20,  99.90,  -6.40,   0.00,
04/21 17Z,  -0.20,  -3.83,  99.90,  -4.03,   0.00,
04/21 18Z,  -0.20,  -2.53,  99.90,  -2.73,   0.00,  (max)
04/21 19Z,  -0.20,  -2.66,  99.90,  -2.86,   0.00,
04/21 20Z,  -0.40,  -3.98,  99.90,  -4.38,   0.00,
04/21 21Z,  -0.50,  -5.82,  99.90,  -6.32,   0.00,
04/21 22Z,  -0.60,  -7.61,  99.90,  -8.21,   0.00,
04/21 23Z,  -0.80,  -9.08,  99.90,  -9.88,   0.00,
04/22 00Z,  -0.90, -10.12,  99.90, -11.02,   0.00,
04/22 01Z,  -1.10, -10.65,  99.90, -11.75,   0.00,
04/22 02Z,  -1.30, -10.59,  99.90, -11.89,   0.00,  (min)
04/22 03Z,  -1.50,  -9.62,  99.90, -11.12,   0.00,
04/22 04Z,  -1.60,  -7.70,  99.90,  -9.30,   0.00,
04/22 05Z,  -1.70,  -5.82,  99.90,  -7.52,   0.00,
04/22 06Z,  -1.90,  -5.00,  99.90,  -6.90,   0.00,  (max)
04/22 07Z,  -2.00,  -5.42,  99.90,  -7.42,   0.00,
04/22 08Z,  -2.00,  -6.68,  99.90,  -8.68,   0.00,
04/22 09Z,  -2.00,  -8.24,  99.90, -10.24,   0.00,
04/22 10Z,  -2.00,  -9.63,  99.90, -11.63,   0.00,
04/22 11Z,  -2.00, -10.65,  99.90, -12.65,   0.00,
04/22 12Z,  -1.90, -11.26,  99.90, -13.16,   0.00,
04/22 13Z,  -1.80, -11.49,  99.90, -13.29,   0.00,  (min)
04/22 14Z,  -1.70, -11.28,  99.90, -12.98,   0.00,
04/22 15Z,  -1.50, -10.29,  99.90, -11.79,   0.00,
04/22 16Z,  -1.30,  -8.21,  99.90,  -9.51,   0.00,
04/22 17Z,  -1.10,  -5.54,  99.90,  -6.64,   0.00,
04/22 18Z,  -0.80,  -3.36,  99.90,  -4.16,   0.00,
04/22 19Z,  -0.50,  -2.43,  99.90,  -2.93,   0.00,  (max)
04/22 20Z,  -0.30,  -2.99,  99.90,  -3.29,   0.00,
04/22 21Z,   0.00,  -4.58,  99.90,  -4.58,   0.00,
04/22 22Z,   0.10,  -6.50,  99.90,  -6.40,   0.00,
04/22 23Z,   0.30,  -8.25,  99.90,  -7.95,   0.00,
04/23 00Z,   0.50,  -9.61,  99.90,  -9.11,   0.00,