EXTRA-TROPICAL  STORM  SURGE  2.3
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#Popokamute, AK : 10/18/2021 03:21:11 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 12Z,  -0.70,  -9.50,  99.90, -10.20,   0.00,
10/16 13Z,  -0.60, -10.70,  99.90, -11.30,   0.00,
10/16 14Z,  -0.60, -11.21,  99.90, -11.81,   0.00,  (min)
10/16 15Z,  -0.50, -11.09,  99.90, -11.59,   0.00,
10/16 16Z,  -0.40, -10.12,  99.90, -10.52,   0.00,
10/16 17Z,  -0.30,  -8.14,  99.90,  -8.44,   0.00,
10/16 18Z,  -0.20,  -5.69,  99.90,  -5.89,   0.00,
10/16 19Z,   0.00,  -3.98,  99.90,  -3.98,   0.00,
10/16 20Z,   0.10,  -3.86,  99.90,  -3.76,   0.00,  (max)
10/16 21Z,   0.30,  -5.05,  99.90,  -4.75,   0.00,
10/16 22Z,   0.50,  -6.89,  99.90,  -6.39,   0.00,
10/16 23Z,   0.80,  -8.79,  99.90,  -7.99,   0.00,
10/17 00Z,   1.20, -10.36,  99.90,  -9.16,   0.00,
10/17 01Z,   1.50, -11.38,  99.90,  -9.88,   0.00,
10/17 02Z,   1.80, -11.82,  99.90, -10.02,   0.00,  (min)
10/17 03Z,   2.00, -11.72,  99.90,  -9.72,   0.00,
10/17 04Z,   2.00, -10.90,  99.90,  -8.90,   0.00,
10/17 05Z,   2.10,  -9.01,  99.90,  -6.91,   0.00,
10/17 06Z,   2.70,  -6.21,  99.90,  -3.51,   0.00,
10/17 07Z,   2.70,  -3.45,  99.90,  -0.75,   0.00,
10/17 08Z,   2.60,  -1.93,  99.90,   0.67,   0.00,  (max)
10/17 09Z,   2.30,  -2.14,  99.90,   0.16,   0.00,
10/17 10Z,   2.10,  -3.70,  99.90,  -1.60,   0.00,
10/17 11Z,   2.00,  -5.87,  99.90,  -3.87,   0.00,
10/17 12Z,   2.00,  -8.05,  99.90,  -6.05,   0.00,
10/17 13Z,   1.70,  -9.81,  99.90,  -8.11,   0.00,
10/17 14Z,   1.40, -10.90,  99.90,  -9.50,   0.00,
10/17 15Z,   1.10, -11.33,  99.90, -10.23,   0.00,
10/17 16Z,   0.70, -11.15,  99.90, -10.45,   0.00,  (min)
10/17 17Z,   0.30, -10.15,  99.90,  -9.85,   0.00,
10/17 18Z,   0.60,  -8.18,  99.90,  -7.58,   0.00,
10/17 19Z,   0.40,  -5.73,  99.90,  -5.33,   0.00,
10/17 20Z,   0.20,  -3.97,  99.90,  -3.77,   0.00,
10/17 21Z,   0.00,  -3.73,  99.90,  -3.73,   0.00,  (max)
10/17 22Z,  -0.20,  -4.81,  99.90,  -5.01,   0.00,
10/17 23Z,  -0.40,  -6.58,  99.90,  -6.98,   0.00,
10/18 00Z,  -0.60,  -8.46,  99.90,  -9.06,   0.00,
10/18 01Z,  -0.70, -10.05,  99.90, -10.75,   0.00,
10/18 02Z,  -0.90, -11.11,  99.90, -12.01,   0.00,
10/18 03Z,  -1.00, -11.56,  99.90, -12.56,   0.00,
10/18 04Z,  -1.20, -11.46,  99.90, -12.66,   0.00,  (min)
10/18 05Z,  -1.40, -10.62,  99.90, -12.02,   0.00,
10/18 06Z,  -1.70,  -8.76,  99.90, -10.46,   0.00,
10/18 07Z,  -2.00,  -6.09,  99.90,  -8.09,   0.00,
10/18 08Z,  -2.20,  -3.58,  99.90,  -5.78,   0.00,
10/18 09Z,  -2.30,  -2.35,  99.90,  -4.65,   0.00,  (max)
10/18 10Z,  -2.10,  -2.77,  99.90,  -4.87,   0.00,
10/18 11Z,  -2.00,  -4.36,  99.90,  -6.36,   0.00,
10/18 12Z,  -2.00,  -6.46,  99.90,  -8.46,   0.00,
10/18 13Z,  -2.00,  -8.52,  99.90, -10.52,   0.00,
10/18 14Z,  -2.00, -10.14,  99.90, -12.14,   0.00,
10/18 15Z,  -1.90, -11.10,  99.90, -13.00,   0.00,
10/18 16Z,  -1.70, -11.44,  99.90, -13.14,   0.00,  (min)
10/18 17Z,  -1.40, -11.18,  99.90, -12.58,   0.00,
10/18 18Z,  -1.20, -10.12,  99.90, -11.32,   0.00,
10/18 19Z,  -1.00,  -8.13,  99.90,  -9.13,   0.00,
10/18 20Z,  -0.90,  -5.68,  99.90,  -6.58,   0.00,
10/18 21Z,  -0.80,  -3.89,  99.90,  -4.69,   0.00,
10/18 22Z,  -0.60,  -3.56,  99.90,  -4.16,   0.00,  (max)
10/18 23Z,  -0.40,  -4.55,  99.90,  -4.95,   0.00,
10/19 00Z,  -0.10,  -6.26,  99.90,  -6.36,   0.00,
10/19 01Z,   0.10,  -8.14,  99.90,  -8.04,   0.00,
10/19 02Z,   0.40,  -9.76,  99.90,  -9.36,   0.00,
10/19 03Z,   0.60, -10.84,  99.90, -10.24,   0.00,
10/19 04Z,   0.90, -11.31,  99.90, -10.41,   0.00,  (min)
10/19 05Z,   1.10, -11.19,  99.90, -10.09,   0.00,
10/19 06Z,   1.40, -10.33,  99.90,  -8.93,   0.00,
10/19 07Z,   1.70,  -8.50,  99.90,  -6.80,   0.00,
10/19 08Z,   2.10,  -5.98,  99.90,  -3.88,   0.00,
10/19 09Z,   2.50,  -3.75,  99.90,  -1.25,   0.00,
10/19 10Z,   2.80,  -2.86,  99.90,  -0.06,   0.00,  (max)
10/19 11Z,   3.10,  -3.49,  99.90,  -0.39,   0.00,
10/19 12Z,   3.30,  -5.11,  99.90,  -1.81,   0.00,
10/19 13Z,   3.60,  -7.12,  99.90,  -3.52,   0.00,
10/19 14Z,   3.80,  -9.03,  99.90,  -5.23,   0.00,
10/19 15Z,   3.90, -10.47,  99.90,  -6.57,   0.00,
10/19 16Z,   3.90, -11.28,  99.90,  -7.38,   0.00,
10/19 17Z,   3.60, -11.51,  99.90,  -7.91,   0.00,  (min)
10/19 18Z,   3.30, -11.15,  99.90,  -7.85,   0.00,
10/19 19Z,   2.90,  -9.99,  99.90,  -7.09,   0.00,
10/19 20Z,   2.60,  -7.93,  99.90,  -5.33,   0.00,
10/19 21Z,   2.30,  -5.47,  99.90,  -3.17,   0.00,
10/19 22Z,   2.20,  -3.71,  99.90,  -1.51,   0.00,
10/19 23Z,   2.10,  -3.37,  99.90,  -1.27,   0.00,  (max)
10/20 00Z,   2.00,  -4.32,  99.90,  -2.32,   0.00,
10/20 01Z,   2.00,  -6.01,  99.90,  -4.01,   0.00,
10/20 02Z,   1.90,  -7.89,  99.90,  -5.99,   0.00,
10/20 03Z,   1.90,  -9.52,  99.90,  -7.62,   0.00,
10/20 04Z,   1.80, -10.62,  99.90,  -8.82,   0.00,
10/20 05Z,   1.80, -11.09,  99.90,  -9.29,   0.00,  (min)
10/20 06Z,   1.70, -10.95,  99.90,  -9.25,   0.00,
10/20 07Z,   1.60, -10.05,  99.90,  -8.45,   0.00,
10/20 08Z,   1.50,  -8.23,  99.90,  -6.73,   0.00,
10/20 09Z,   1.50,  -5.87,  99.90,  -4.37,   0.00,
10/20 10Z,   1.40,  -3.97,  99.90,  -2.57,   0.00,
10/20 11Z,   1.40,  -3.46,  99.90,  -2.06,   0.00,  (max)
10/20 12Z,   1.30,  -4.30,  99.90,  -3.00,   0.00,
10/20 13Z,   1.30,  -5.92,  99.90,  -4.62,   0.00,
10/20 14Z,   1.30,  -7.81,  99.90,  -6.51,   0.00,
10/20 15Z,   1.30,  -9.54,  99.90,  -8.24,   0.00,
10/20 16Z,   1.30, -10.78,  99.90,  -9.48,   0.00,
10/20 17Z,   1.20, -11.43,  99.90, -10.23,   0.00,
10/20 18Z,   1.20, -11.52,  99.90, -10.32,   0.00,  (min)
10/20 19Z,   1.10, -11.03,  99.90,  -9.93,   0.00,
10/20 20Z,   1.10,  -9.72,  99.90,  -8.62,   0.00,
10/20 21Z,   1.20,  -7.55,  99.90,  -6.35,   0.00,
10/20 22Z,   1.20,  -5.10,  99.90,  -3.90,   0.00,
10/20 23Z,   1.20,  -3.44,  99.90,  -2.24,   0.00,
10/21 00Z,   1.30,  -3.18,  99.90,  -1.88,   0.00,  (max)
10/21 01Z,   1.30,  -4.17,  99.90,  -2.87,   0.00,
10/21 02Z,   1.40,  -5.86,  99.90,  -4.46,   0.00,
10/21 03Z,   1.40,  -7.75,  99.90,  -6.35,   0.00,
10/21 04Z,   1.40,  -9.38,  99.90,  -7.98,   0.00,
10/21 05Z,   1.40, -10.46,  99.90,  -9.06,   0.00,
10/21 06Z,   1.50, -10.90,  99.90,  -9.40,   0.00,  (min)
10/21 07Z,   1.50, -10.73,  99.90,  -9.23,   0.00,
10/21 08Z,   1.40,  -9.76,  99.90,  -8.36,   0.00,
10/21 09Z,   1.30,  -7.96,  99.90,  -6.66,   0.00,
10/21 10Z,   1.30,  -5.78,  99.90,  -4.48,   0.00,
10/21 11Z,   1.20,  -4.26,  99.90,  -3.06,   0.00,
10/21 12Z,   1.10,  -4.13,  99.90,  -3.03,   0.00,  (max)
10/21 13Z,   1.10,  -5.14,  99.90,  -4.04,   0.00,
10/21 14Z,   1.10,  -6.75,  99.90,  -5.65,   0.00,
10/21 15Z,   1.20,  -8.50,  99.90,  -7.30,   0.00,
10/21 16Z,   1.20, -10.01,  99.90,  -8.81,   0.00,
10/21 17Z,   1.30, -11.04,  99.90,  -9.74,   0.00,
10/21 18Z,   1.30, -11.52,  99.90, -10.22,   0.00,
10/21 19Z,  99.90, -11.47,  99.90,  99.90,   0.00,
10/21 20Z,  99.90, -10.80,  99.90,  99.90,   0.00,
10/21 21Z,  99.90,  -9.28,  99.90,  99.90,   0.00,
10/21 22Z,  99.90,  -6.98,  99.90,  99.90,   0.00,
10/21 23Z,  99.90,  -4.59,  99.90,  99.90,   0.00,
10/22 00Z,  99.90,  -3.12,  99.90,  99.90,   0.00,