Name: NH Vortex Area Units: million km!U2!N Level: 550 K Source: MERRA Missing: -9999.0 Climatology: 1978/1979-2011/2012 5-day boxcar smoother applied to all data. Date Data Minimum 10% 30% Mean 70% 90% Maximum 2009-10-01 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-02 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-03 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-04 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-05 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-06 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-07 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-08 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-09 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-10 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-11 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-12 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-13 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-14 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-15 -9999.0 7.24 7.52 8.10 8.67 9.24 9.81 10.10 2009-10-16 -9999.0 7.43 7.75 8.40 9.04 9.68 10.32 10.64 2009-10-17 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-18 -9999.0 10.22 10.43 10.85 11.93 13.33 15.64 16.79 2009-10-19 -9999.0 10.09 10.80 12.22 13.64 15.06 16.48 17.19 2009-10-20 -9999.0 9.76 10.37 11.61 12.95 15.40 16.91 17.50 2009-10-21 -9999.0 9.96 10.57 12.30 15.61 17.41 21.14 23.33 2009-10-22 -9999.0 6.48 8.70 11.16 15.83 17.77 18.72 19.44 2009-10-23 -9999.0 10.34 11.14 14.66 16.25 18.28 20.21 22.88 2009-10-24 -9999.0 6.70 9.35 12.04 16.69 18.35 20.25 23.36 2009-10-25 -9999.0 6.29 10.78 15.29 17.42 18.30 24.40 26.01 2009-10-26 -9999.0 5.91 11.13 15.90 17.33 17.87 23.80 26.63 2009-10-27 -9999.0 5.79 10.98 15.53 16.81 17.54 21.28 27.16 2009-10-28 -9999.0 5.51 11.59 16.38 17.13 18.24 22.75 27.94 2009-10-29 -9999.0 9.80 10.79 15.79 16.85 18.50 19.82 28.53 2009-10-30 20.76 10.09 13.07 15.80 17.32 18.92 22.81 28.55 2009-10-31 21.82 8.62 10.67 15.06 17.43 19.47 22.04 28.42 2009-11-01 22.47 9.46 12.34 16.33 17.95 20.88 22.89 27.96 2009-11-02 24.81 8.90 11.11 14.14 17.44 20.14 23.57 28.12 2009-11-03 24.41 9.05 11.30 13.46 16.38 20.05 23.73 28.26 2009-11-04 23.51 9.04 10.81 13.16 16.18 18.98 23.39 26.82 2009-11-05 22.83 9.25 11.10 13.61 16.60 18.66 22.92 25.78 2009-11-06 22.19 9.09 11.56 14.57 16.84 18.91 23.50 24.92 2009-11-07 21.79 8.31 11.64 14.57 16.62 19.07 23.22 25.40 2009-11-08 21.14 8.01 12.23 15.86 16.93 20.09 22.61 26.07 2009-11-09 20.94 7.75 13.37 15.84 17.19 20.93 23.11 26.74 2009-11-10 20.67 8.23 14.15 15.65 17.30 20.64 23.36 27.41 2009-11-11 20.41 8.37 13.81 15.75 17.59 20.64 24.02 28.13 2009-11-12 20.42 8.78 15.14 15.89 18.68 20.39 24.55 28.71 2009-11-13 20.66 8.76 14.39 16.09 19.12 20.56 24.73 27.56 2009-11-14 18.96 8.87 13.91 16.02 19.18 20.39 25.41 28.32 2009-11-15 -9999.0 9.00 13.09 15.82 18.92 20.61 26.37 29.45 2009-11-16 14.54 9.08 13.07 15.41 18.58 19.97 26.02 29.85 2009-11-17 11.53 9.11 12.79 15.63 17.79 20.02 24.27 27.37 2009-11-18 11.39 9.13 12.67 15.31 17.58 20.19 23.65 26.21 2009-11-19 11.12 9.14 13.00 14.94 16.97 20.70 23.71 26.35 2009-11-20 11.00 9.27 12.98 14.93 16.82 21.08 22.84 26.24 2009-11-21 10.65 9.23 13.03 14.85 16.76 20.71 24.48 26.19 2009-11-22 10.21 9.23 13.13 14.66 16.58 21.29 24.23 27.60 2009-11-23 9.67 9.18 13.21 15.39 17.33 21.54 24.75 29.00 2009-11-24 9.16 9.16 13.04 15.25 17.77 21.62 25.03 30.43 2009-11-25 8.46 8.46 12.93 15.33 17.68 21.62 25.57 31.88 2009-11-26 8.26 8.26 13.03 15.50 18.60 23.27 25.97 31.38 2009-11-27 8.29 8.29 12.69 15.57 19.72 23.05 26.46 29.46 2009-11-28 8.25 8.25 12.69 15.01 19.63 23.21 26.01 28.30 2009-11-29 8.17 8.17 12.65 14.74 19.43 22.83 26.37 28.19 2009-11-30 8.16 8.16 13.82 14.76 19.85 24.27 26.44 27.85 2009-12-01 8.10 8.10 13.24 15.26 19.98 23.76 26.88 27.72 2009-12-02 8.02 8.02 12.77 15.52 20.36 24.11 26.65 29.19 2009-12-03 9.39 9.39 12.91 15.75 20.22 23.99 27.37 31.90 2009-12-04 10.72 10.72 12.81 15.40 19.52 23.97 27.17 30.35 2009-12-05 12.35 11.47 13.32 15.76 19.30 23.27 27.03 30.03 2009-12-06 14.11 11.47 13.74 15.98 20.03 22.98 26.99 29.04 2009-12-07 15.12 11.50 14.03 16.36 20.45 22.56 26.83 28.54 2009-12-08 16.80 11.77 14.24 19.54 20.82 22.46 26.80 28.33 2009-12-09 18.65 11.95 14.26 19.84 21.11 24.29 27.32 28.33 2009-12-10 17.47 12.28 14.46 19.18 21.02 23.36 27.29 28.49 2009-12-11 16.51 12.45 14.50 19.46 21.99 23.61 27.30 31.06 2009-12-12 16.07 12.16 15.85 19.23 21.48 24.82 27.55 30.19 2009-12-13 13.53 11.70 16.14 17.96 21.11 25.18 27.27 29.30 2009-12-14 11.66 11.11 16.44 18.63 21.59 24.71 26.40 31.74 2009-12-15 12.73 11.07 16.42 19.10 21.44 24.67 26.74 33.62 2009-12-16 13.65 11.06 16.42 20.23 21.50 24.50 27.21 32.45 2009-12-17 16.18 8.71 16.89 20.24 22.41 23.82 27.73 33.34 2009-12-18 17.24 6.75 17.31 20.39 22.78 23.99 26.23 33.24 2009-12-19 17.43 5.51 17.01 20.55 22.23 24.37 28.36 32.99 2009-12-20 17.41 5.61 17.27 20.92 22.75 24.32 28.38 32.55 2009-12-21 17.25 5.72 17.67 21.30 23.14 24.04 28.98 34.21 2009-12-22 16.79 9.88 18.77 20.89 23.21 24.78 28.39 34.16 2009-12-23 17.85 8.85 19.27 21.09 23.46 25.44 31.40 31.94 2009-12-24 18.28 9.56 19.67 21.61 23.43 25.39 31.28 35.28 2009-12-25 18.77 11.12 19.74 21.32 23.38 26.62 31.11 37.37 2009-12-26 19.36 12.64 19.11 21.24 23.08 26.92 31.02 37.36 2009-12-27 18.98 12.08 18.99 21.47 23.44 27.50 31.09 36.80 2009-12-28 18.72 10.81 18.67 21.16 23.59 27.45 30.68 35.24 2009-12-29 19.10 6.20 18.02 21.26 23.34 27.38 30.86 33.50 2009-12-30 19.26 14.16 18.16 21.39 23.20 27.47 30.87 32.69 2009-12-31 19.28 14.12 18.04 21.15 24.29 27.28 31.08 31.75 2010-01-01 22.62 14.04 18.50 21.98 23.97 27.90 30.69 31.55 2010-01-02 22.47 13.74 18.21 21.97 24.21 27.17 30.37 31.37 2010-01-03 22.15 12.67 17.61 21.63 23.58 26.28 30.10 31.42 2010-01-04 22.03 12.77 17.67 22.04 23.74 25.90 30.02 31.68 2010-01-05 21.93 12.32 17.77 20.99 22.51 25.95 29.55 31.72 2010-01-06 18.16 12.47 17.08 19.77 23.52 26.01 29.00 31.80 2010-01-07 17.61 11.20 17.06 19.69 23.16 26.34 30.07 31.66 2010-01-08 17.18 12.86 17.32 19.88 22.95 26.78 30.12 35.77 2010-01-09 16.96 5.12 16.53 19.91 22.72 26.59 29.83 35.77 2010-01-10 16.82 12.91 17.19 20.41 23.05 26.37 29.84 35.10 2010-01-11 20.46 12.93 17.78 20.48 23.38 26.12 29.28 35.76 2010-01-12 24.20 12.93 17.48 21.96 23.75 25.99 28.65 32.37 2010-01-13 27.77 12.87 17.38 21.97 23.31 25.35 27.96 32.51 2010-01-14 27.97 12.74 17.20 21.59 22.66 25.21 27.94 33.14 2010-01-15 28.12 12.63 17.13 20.83 23.03 25.88 27.73 33.90 2010-01-16 27.58 12.31 17.33 21.01 22.73 25.51 27.61 34.48 2010-01-17 27.07 11.98 17.52 21.03 22.85 25.36 27.65 34.79 2010-01-18 26.61 11.62 17.46 20.70 23.21 26.00 27.64 34.69 2010-01-19 29.23 11.28 17.53 20.74 23.52 26.02 28.20 33.62 2010-01-20 31.69 10.92 16.70 20.66 23.67 26.19 27.91 31.69 2010-01-21 31.29 10.62 16.65 20.79 23.60 26.92 28.36 31.29 2010-01-22 30.79 10.53 16.66 20.95 23.55 26.52 28.94 30.96 2010-01-23 30.47 10.52 17.21 21.74 23.20 25.91 28.01 33.48 2010-01-24 30.25 10.54 17.56 21.74 23.23 25.25 27.87 34.09 2010-01-25 30.21 9.83 17.51 21.82 23.63 25.44 27.79 31.87 2010-01-26 29.74 9.15 17.62 21.40 23.11 25.17 27.70 29.74 2010-01-27 28.54 7.95 16.04 20.48 22.72 24.86 27.88 28.59 2010-01-28 25.97 7.57 17.11 20.47 22.62 24.63 26.85 30.90 2010-01-29 24.40 7.17 16.28 20.12 22.34 24.55 26.60 33.55 2010-01-30 23.15 4.93 12.84 19.38 22.42 24.40 27.05 34.77 2010-01-31 22.54 5.17 13.54 20.05 22.25 24.10 27.23 34.05 2010-02-01 22.26 5.37 13.74 19.09 22.46 23.73 28.31 31.36 2010-02-02 24.08 5.55 13.34 18.82 21.94 23.44 27.80 33.73 2010-02-03 25.49 5.67 13.36 18.69 22.33 23.76 27.34 37.73 2010-02-04 25.19 5.76 14.61 17.83 21.91 23.47 26.52 41.29 2010-02-05 24.76 5.62 14.26 17.42 21.11 23.22 26.78 43.26 2010-02-06 24.74 5.27 14.19 18.07 21.02 23.30 26.54 42.72 2010-02-07 23.99 5.10 11.99 17.76 20.98 23.09 26.13 42.28 2010-02-08 22.53 4.92 11.86 17.93 21.15 22.81 25.68 41.70 2010-02-09 22.16 4.72 11.42 18.31 20.99 22.78 25.30 41.03 2010-02-10 21.69 4.59 10.85 17.97 20.72 22.99 25.97 42.23 2010-02-11 21.35 4.75 10.90 17.40 20.53 22.82 25.82 41.96 2010-02-12 21.40 4.90 11.25 16.78 20.17 22.78 25.63 41.81 2010-02-13 21.47 4.70 11.56 16.53 20.04 22.94 25.54 41.75 2010-02-14 21.76 4.41 12.16 16.89 20.13 22.63 25.49 41.40 2010-02-15 22.06 4.04 12.34 17.14 20.24 22.16 25.02 41.34 2010-02-16 22.38 3.75 13.90 16.89 20.56 22.24 25.02 41.52 2010-02-17 22.52 2.98 11.83 16.41 20.46 22.40 24.88 41.05 2010-02-18 18.68 6.78 13.70 17.04 20.71 22.52 24.99 40.39 2010-02-19 14.88 2.47 12.49 15.91 20.57 21.95 24.79 40.06 2010-02-20 11.13 2.34 10.89 14.82 20.39 21.71 26.76 39.89 2010-02-21 7.36 7.03 11.03 15.94 20.20 21.55 26.99 39.97 2010-02-22 3.35 3.35 10.29 16.25 19.92 21.30 26.36 39.86 2010-02-23 3.38 3.38 10.02 16.24 19.08 21.04 25.41 39.71 2010-02-24 3.41 3.41 7.91 15.52 18.76 20.78 24.97 39.71 2010-02-25 3.44 3.44 7.98 15.13 19.06 20.87 24.52 38.34 2010-02-26 3.43 3.43 11.21 15.49 18.54 21.21 25.08 36.35 2010-02-27 3.45 3.45 10.47 15.01 17.98 21.13 25.13 32.91 2010-02-28 3.51 3.51 9.93 15.01 17.96 21.41 25.12 30.34 2010-03-01 3.58 3.58 9.68 14.40 17.99 21.18 24.45 28.34 2010-03-02 3.66 3.66 7.74 13.99 17.97 20.12 23.79 28.29 2010-03-03 3.76 3.76 8.15 13.66 17.96 20.11 23.84 28.18 2010-03-04 3.81 3.81 8.29 13.55 17.02 20.12 23.92 27.84 2010-03-05 3.84 3.84 10.42 13.74 16.85 20.28 23.58 27.71 2010-03-06 3.90 3.90 10.10 13.61 16.49 20.18 23.68 27.41 2010-03-07 3.95 3.95 9.61 13.43 16.42 20.03 24.07 27.13 2010-03-08 4.04 4.04 9.20 12.70 16.07 19.81 23.51 26.97 2010-03-09 4.14 4.14 8.21 12.85 15.84 19.72 22.81 26.63 2010-03-10 4.20 4.20 8.40 13.42 16.18 19.41 22.90 26.26 2010-03-11 4.24 1.82 6.54 12.66 15.70 19.02 22.42 26.55 2010-03-12 4.26 1.82 7.99 13.30 15.70 18.54 21.90 27.13 2010-03-13 4.23 4.23 8.50 13.19 16.43 18.48 21.54 25.87 2010-03-14 4.21 4.21 7.39 12.69 15.91 17.99 21.25 24.82 2010-03-15 4.20 4.20 6.96 12.87 16.25 17.25 21.34 24.18 2010-03-16 4.19 1.93 5.80 12.73 15.89 17.00 21.11 22.95 2010-03-17 4.18 4.18 6.78 12.81 15.85 16.86 20.48 22.34 2010-03-18 4.20 4.20 6.48 13.01 15.74 16.24 19.81 22.52 2010-03-19 4.18 4.18 6.18 12.62 14.78 16.61 19.83 22.45 2010-03-20 4.22 4.22 6.34 12.76 14.46 16.64 19.89 22.50 2010-03-21 4.26 4.26 7.17 12.32 14.20 16.71 19.04 22.50 2010-03-22 4.25 4.25 6.32 11.80 13.41 15.74 19.29 22.37 2010-03-23 4.28 4.28 6.49 11.62 14.26 15.64 19.59 22.08 2010-03-24 4.34 4.34 6.30 11.79 14.05 15.69 17.19 21.82 2010-03-25 4.36 1.34 6.02 11.14 13.01 14.95 16.26 21.83 2010-03-26 4.37 4.37 6.40 11.73 12.72 14.91 16.33 22.42 2010-03-27 4.58 4.58 6.30 11.11 12.84 13.82 16.41 22.65 2010-03-28 4.81 4.81 6.02 10.96 12.62 13.75 16.69 23.06 2010-03-29 4.79 4.79 6.11 10.38 11.71 13.39 16.18 23.48 2010-03-30 4.79 4.79 6.40 10.58 11.61 13.66 16.10 23.05 2010-03-31 4.83 4.83 6.37 9.91 12.37 15.25 17.22 22.02 2010-04-01 4.83 4.83 6.30 9.81 12.49 15.37 16.20 21.93 2010-04-02 4.73 4.73 6.42 9.74 12.60 14.25 16.36 22.42 2010-04-03 4.73 4.73 6.39 8.96 12.72 14.46 16.56 22.84 2010-04-04 4.78 4.78 6.39 9.33 13.23 14.86 16.58 23.85 2010-04-05 4.85 4.85 6.45 9.43 13.08 14.82 16.47 24.86 2010-04-06 4.86 4.86 6.24 9.12 12.29 14.58 16.22 25.41 2010-04-07 4.95 3.13 5.77 8.39 11.61 14.19 16.23 25.38 2010-04-08 5.15 3.13 5.84 8.88 12.12 14.31 16.24 25.36 2010-04-09 5.23 5.23 6.75 8.82 12.62 14.69 16.43 25.35 2010-04-10 5.32 5.32 7.00 10.71 12.60 14.53 16.24 25.37 2010-04-11 5.13 5.13 6.99 10.26 11.71 14.11 15.84 25.30 2010-04-12 4.90 4.90 6.94 10.11 12.22 14.51 15.87 24.46 2010-04-13 4.77 4.77 6.72 11.05 12.93 14.84 16.30 23.56 2010-04-14 4.72 4.72 5.83 10.53 12.92 14.37 16.66 22.64 2010-04-15 -9999.0 5.62 10.06 12.43 13.29 15.77 17.72 22.01 2010-04-16 4.80 4.80 5.52 11.33 12.75 14.20 17.94 21.60 2010-04-17 4.89 4.89 5.40 7.07 11.76 13.62 15.47 21.67 2010-04-18 4.81 4.81 5.39 5.51 11.90 14.01 14.78 21.29 2010-04-19 4.76 4.76 5.34 5.51 11.24 13.94 15.28 20.88 2010-04-20 4.68 4.68 5.15 6.23 12.13 13.68 16.39 20.34 2010-04-21 4.60 4.60 5.18 5.68 9.28 12.22 15.82 19.84 2010-04-22 4.54 4.54 5.07 5.64 7.95 10.62 14.78 19.52 2010-04-23 4.55 4.55 4.73 6.07 9.83 11.56 16.29 19.81 2010-04-24 4.53 4.53 5.16 6.97 10.24 12.52 17.34 19.97 2010-04-25 -9999.0 4.97 5.31 7.24 10.52 12.37 17.36 20.02 2010-04-26 -9999.0 5.17 6.27 8.41 10.38 10.78 16.26 19.85 2010-04-27 -9999.0 5.17 6.03 7.75 9.27 11.45 17.05 19.84 2010-04-28 -9999.0 7.71 8.93 11.37 13.81 16.25 18.70 19.92 2010-04-29 4.05 4.05 4.59 5.66 6.74 12.07 17.40 20.06 2010-04-30 -9999.0 6.74 8.09 10.78 13.48 16.18 18.88 20.23