Name: NH Vortex Area Units: million km!U2!N Level: 500 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 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-16 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-17 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-18 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-19 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-20 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-21 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-22 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-23 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-24 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2009-10-25 -9999.0 9.65 10.41 11.95 13.48 15.01 16.54 17.31 2009-10-26 -9999.0 9.64 11.10 14.02 16.94 17.07 17.21 17.28 2009-10-27 -9999.0 9.68 11.04 13.74 16.45 16.89 17.33 17.55 2009-10-28 -9999.0 9.78 11.05 13.58 16.12 16.84 17.57 17.93 2009-10-29 -9999.0 9.84 11.28 14.16 15.11 15.81 17.24 17.96 2009-10-30 -9999.0 9.87 11.30 14.16 15.00 15.63 17.23 18.03 2009-10-31 -9999.0 9.84 9.86 10.96 15.21 17.36 22.98 26.37 2009-11-01 -9999.0 9.84 10.02 11.35 15.53 17.03 17.90 18.22 2009-11-02 -9999.0 8.17 9.07 13.94 16.64 17.00 18.33 19.00 2009-11-03 -9999.0 11.67 12.28 15.52 17.25 21.36 24.88 28.28 2009-11-04 -9999.0 9.24 10.91 14.26 16.77 19.44 21.59 22.52 2009-11-05 -9999.0 9.16 11.80 13.70 15.57 19.33 24.32 28.66 2009-11-06 -9999.0 7.73 10.49 12.67 14.17 17.29 22.93 28.44 2009-11-07 -9999.0 11.81 13.35 14.49 18.32 20.64 24.13 28.44 2009-11-08 -9999.0 12.05 12.63 14.01 18.37 20.01 23.18 27.84 2009-11-09 -9999.0 12.33 13.27 14.62 18.64 19.90 21.55 24.62 2009-11-10 -9999.0 11.34 12.24 15.43 18.09 19.60 24.18 26.02 2009-11-11 -9999.0 11.96 12.56 15.43 17.65 20.28 25.78 27.78 2009-11-12 -9999.0 12.10 12.92 15.16 18.51 20.60 25.74 27.36 2009-11-13 -9999.0 4.26 12.48 15.39 17.54 19.32 26.18 27.02 2009-11-14 -9999.0 4.50 12.57 15.48 17.37 19.67 23.87 26.59 2009-11-15 -9999.0 12.03 12.57 15.32 16.91 21.48 25.98 28.33 2009-11-16 -9999.0 5.10 12.35 15.09 16.59 19.38 24.80 27.10 2009-11-17 -9999.0 5.66 12.15 14.96 17.05 20.44 24.90 26.92 2009-11-18 -9999.0 6.17 11.68 15.21 17.54 19.85 25.31 29.66 2009-11-19 -9999.0 6.74 11.75 14.44 17.52 20.88 26.14 29.67 2009-11-20 -9999.0 7.48 12.06 14.50 18.68 22.68 26.40 29.75 2009-11-21 -9999.0 8.06 11.95 14.97 19.21 22.10 26.64 30.15 2009-11-22 -9999.0 8.46 11.82 15.01 19.02 21.84 27.71 32.37 2009-11-23 9.71 8.56 11.56 14.74 18.95 21.67 28.34 34.23 2009-11-24 9.63 8.57 11.84 14.31 17.94 21.56 29.08 33.68 2009-11-25 9.59 8.44 11.89 15.49 17.35 22.65 29.09 34.06 2009-11-26 9.52 8.52 11.60 15.15 17.70 22.83 28.76 34.25 2009-11-27 9.43 8.62 11.67 15.60 19.87 22.82 28.55 34.03 2009-11-28 9.31 8.76 11.68 15.50 20.92 23.81 28.83 34.48 2009-11-29 9.23 9.08 12.11 15.43 21.09 23.41 29.04 34.66 2009-11-30 9.20 9.20 12.50 15.82 22.06 24.11 28.83 34.68 2009-12-01 9.12 9.12 12.74 16.20 22.11 23.72 28.32 34.92 2009-12-02 8.92 8.92 12.41 15.99 21.48 23.28 27.68 35.90 2009-12-03 8.89 8.89 12.50 17.23 21.40 22.95 26.35 36.64 2009-12-04 8.92 8.92 12.50 17.07 20.80 23.35 27.47 33.97 2009-12-05 8.76 8.76 12.06 16.99 20.52 23.09 29.84 34.81 2009-12-06 12.59 12.12 12.63 18.12 21.10 24.02 29.66 34.29 2009-12-07 13.65 11.08 12.68 18.23 21.48 24.08 28.70 33.93 2009-12-08 15.21 10.32 12.74 18.39 21.91 25.39 27.41 33.70 2009-12-09 -9999.0 10.18 12.64 19.74 21.70 26.16 27.89 33.20 2009-12-10 -9999.0 9.84 12.94 20.87 21.82 25.66 28.23 33.18 2009-12-11 7.52 7.52 12.91 18.97 22.26 25.67 28.33 33.69 2009-12-12 7.71 7.71 13.21 20.06 22.67 25.51 28.83 33.90 2009-12-13 7.88 7.88 12.82 19.74 23.92 26.28 28.85 33.73 2009-12-14 8.19 8.19 16.19 21.41 24.73 26.40 30.52 35.17 2009-12-15 8.25 8.25 17.19 20.67 24.79 26.66 30.75 34.27 2009-12-16 8.33 6.04 14.20 21.07 23.88 26.04 30.71 35.30 2009-12-17 -9999.0 6.10 15.66 21.19 24.20 26.43 32.06 34.16 2009-12-18 -9999.0 6.12 14.99 21.22 23.88 27.37 31.06 35.06 2009-12-19 20.67 6.19 14.37 21.24 23.67 27.41 30.21 36.56 2009-12-20 20.42 6.18 14.84 21.23 23.83 26.72 30.33 32.88 2009-12-21 19.64 6.08 14.31 21.31 23.50 26.47 30.77 33.31 2009-12-22 18.41 10.76 15.50 21.04 23.06 26.81 30.08 32.54 2009-12-23 17.57 13.45 16.33 20.86 23.59 27.86 29.71 32.65 2009-12-24 18.55 13.95 18.55 21.25 23.23 27.54 30.03 32.76 2009-12-25 18.79 13.60 18.82 21.53 24.50 27.33 30.31 36.38 2009-12-26 18.77 13.21 18.77 22.79 24.99 27.65 30.09 36.54 2009-12-27 18.75 14.98 18.75 22.83 24.22 27.39 30.26 33.75 2009-12-28 18.20 15.07 18.06 22.41 24.94 27.67 30.42 32.01 2009-12-29 17.38 13.99 17.75 22.50 24.68 27.31 30.17 31.45 2009-12-30 16.54 13.56 16.66 21.10 24.06 26.65 30.27 31.30 2009-12-31 16.95 13.39 16.95 22.30 24.97 26.46 30.57 30.77 2010-01-01 17.07 12.73 17.22 22.28 24.74 26.34 29.60 31.13 2010-01-02 17.65 12.44 16.76 22.24 24.83 26.18 29.29 31.25 2010-01-03 18.05 12.10 17.38 21.75 23.94 26.32 29.19 31.43 2010-01-04 18.39 11.74 17.21 21.87 24.31 26.43 28.93 31.32 2010-01-05 18.34 11.33 16.86 21.66 23.95 25.57 28.32 31.19 2010-01-06 18.35 11.54 16.97 21.27 23.71 25.40 27.93 31.48 2010-01-07 18.13 11.81 17.18 21.64 23.88 25.63 28.21 31.42 2010-01-08 17.97 12.17 17.65 21.28 23.79 25.95 28.32 31.50 2010-01-09 17.73 12.38 17.65 21.30 22.73 25.53 29.01 32.57 2010-01-10 17.53 12.39 17.42 21.29 23.87 25.79 29.04 37.63 2010-01-11 20.57 12.51 17.24 20.85 23.81 25.78 29.35 39.37 2010-01-12 20.43 12.51 16.96 20.71 23.29 25.21 29.75 35.48 2010-01-13 23.45 12.49 16.86 21.42 23.45 25.08 29.53 35.05 2010-01-14 26.48 12.59 16.45 21.28 23.30 24.81 30.04 31.31 2010-01-15 29.62 12.78 17.02 21.48 22.72 24.42 29.52 31.70 2010-01-16 29.53 12.76 17.36 21.06 22.29 24.49 29.37 32.22 2010-01-17 32.43 12.34 17.39 21.07 22.35 24.85 30.27 32.43 2010-01-18 32.03 11.99 17.34 20.78 22.60 25.08 30.56 32.03 2010-01-19 31.84 11.59 17.57 20.35 23.37 25.40 29.92 33.17 2010-01-20 31.29 11.15 17.86 20.98 23.70 25.93 28.93 32.75 2010-01-21 30.71 10.49 18.16 20.63 23.39 25.86 29.76 32.36 2010-01-22 29.53 10.23 18.30 21.16 23.92 26.33 29.63 32.45 2010-01-23 28.53 9.94 18.20 21.60 23.90 25.75 30.56 32.60 2010-01-24 27.97 8.17 16.60 21.42 23.60 25.71 31.06 35.64 2010-01-25 25.90 8.17 16.56 21.39 23.91 25.89 29.62 39.87 2010-01-26 24.07 8.17 16.56 21.44 23.99 25.06 29.02 36.28 2010-01-27 22.14 11.81 17.80 21.51 22.87 25.26 27.62 32.59 2010-01-28 20.84 11.97 17.60 21.14 22.45 24.72 27.64 28.52 2010-01-29 19.76 10.18 17.34 20.03 22.39 24.39 27.73 29.20 2010-01-30 20.84 5.48 15.75 19.38 22.29 23.88 27.44 29.30 2010-01-31 21.82 5.48 15.43 18.56 21.92 23.33 27.55 31.15 2010-02-01 23.32 5.55 15.25 18.51 21.97 23.48 26.98 34.67 2010-02-02 25.04 5.75 14.35 18.62 21.49 23.75 26.99 38.17 2010-02-03 24.84 5.90 13.80 18.39 21.33 23.70 26.97 38.33 2010-02-04 24.38 6.04 13.33 18.70 20.49 23.81 27.02 37.98 2010-02-05 23.82 6.23 12.69 18.32 20.49 24.19 26.96 39.92 2010-02-06 23.68 6.33 12.28 17.87 20.45 24.12 27.13 41.24 2010-02-07 22.61 5.93 11.75 17.71 21.25 24.33 27.23 41.93 2010-02-08 22.73 6.26 13.78 17.97 21.76 24.35 28.07 41.88 2010-02-09 22.69 4.97 11.77 17.47 21.10 23.88 26.74 41.55 2010-02-10 22.55 4.42 12.54 17.81 22.29 23.58 26.41 37.52 2010-02-11 22.39 4.42 13.86 17.80 21.94 23.79 26.71 33.82 2010-02-12 22.16 6.41 15.33 18.78 22.12 23.71 27.11 33.38 2010-02-13 22.00 6.55 14.82 18.67 21.79 23.97 27.38 32.82 2010-02-14 21.97 3.24 14.24 17.98 21.42 23.49 26.32 32.43 2010-02-15 21.87 3.17 13.55 17.33 20.89 23.65 26.73 35.56 2010-02-16 21.71 3.05 13.07 17.19 20.67 23.58 26.33 38.74 2010-02-17 21.70 2.86 12.63 17.10 20.45 23.30 26.46 39.30 2010-02-18 21.92 2.71 12.37 17.14 20.51 23.02 26.02 39.30 2010-02-19 21.54 2.63 12.03 16.40 20.28 22.59 26.55 39.31 2010-02-20 21.15 2.52 11.65 16.33 20.50 22.80 25.78 39.41 2010-02-21 17.54 6.70 11.30 16.55 20.48 22.93 26.07 39.41 2010-02-22 13.92 6.75 11.02 15.37 19.91 22.86 26.43 38.85 2010-02-23 9.94 6.80 9.93 16.36 19.77 22.87 26.90 38.59 2010-02-24 6.45 6.45 9.16 17.05 19.24 21.99 25.76 38.27 2010-02-25 3.18 3.18 8.52 16.42 18.77 21.50 25.25 38.04 2010-02-26 3.19 3.19 8.12 15.22 18.12 21.38 25.23 37.60 2010-02-27 3.19 3.19 7.88 14.96 17.88 22.07 24.70 34.48 2010-02-28 -9999.0 7.37 11.13 15.72 18.60 22.20 25.01 31.50 2010-03-01 -9999.0 6.31 10.23 14.59 18.05 21.33 24.67 27.98 2010-03-02 8.04 6.42 8.04 13.90 17.11 21.60 25.24 28.00 2010-03-03 8.04 6.54 8.22 13.62 17.00 21.51 25.52 28.10 2010-03-04 6.89 6.64 9.90 13.80 17.02 21.45 25.16 29.71 2010-03-05 -9999.0 6.74 9.73 13.50 17.14 21.09 24.65 29.01 2010-03-06 7.08 6.67 8.60 12.88 17.06 20.52 23.68 29.78 2010-03-07 3.59 3.59 9.21 12.71 16.66 20.66 23.96 29.87 2010-03-08 3.66 3.66 9.53 12.66 16.17 20.20 23.80 29.30 2010-03-09 3.78 3.78 9.28 12.63 15.44 20.14 23.66 28.51 2010-03-10 3.87 3.87 8.36 12.59 15.59 19.59 23.19 27.76 2010-03-11 3.90 3.90 8.02 12.61 15.60 19.57 22.84 27.15 2010-03-12 3.82 1.68 7.82 12.61 16.03 19.41 21.95 26.47 2010-03-13 6.26 5.59 8.84 13.00 16.21 19.14 22.24 25.78 2010-03-14 8.61 5.54 9.04 12.97 16.02 18.81 22.08 25.93 2010-03-15 8.63 5.68 9.09 12.93 16.51 18.40 22.24 26.25 2010-03-16 8.69 2.63 8.66 13.01 15.65 17.93 22.31 25.54 2010-03-17 8.79 6.03 8.88 12.99 14.78 17.66 22.99 25.88 2010-03-18 6.36 6.23 8.42 12.79 15.38 17.95 22.57 26.14 2010-03-19 3.97 3.97 9.56 12.71 15.38 18.06 22.55 25.83 2010-03-20 3.97 3.97 7.40 12.60 15.04 17.59 21.64 25.09 2010-03-21 4.02 4.02 7.05 12.36 14.37 17.41 20.97 25.48 2010-03-22 4.13 4.13 6.60 11.85 14.47 16.87 20.42 25.50 2010-03-23 4.16 4.16 6.20 11.17 13.97 16.11 19.91 25.65 2010-03-24 4.34 4.34 6.03 11.73 14.73 15.85 18.16 25.14 2010-03-25 4.61 4.61 5.91 11.30 14.33 15.03 17.61 24.43 2010-03-26 4.86 4.79 5.83 11.43 13.64 15.12 17.45 24.44 2010-03-27 5.08 5.00 5.21 10.64 12.61 14.91 16.88 24.72 2010-03-28 5.36 5.10 5.43 10.37 12.48 14.88 16.58 25.18 2010-03-29 5.45 5.10 5.71 10.37 13.12 14.74 17.55 25.94 2010-03-30 5.48 5.20 5.47 9.79 12.32 14.61 16.96 26.91 2010-03-31 5.30 5.24 7.49 9.71 13.41 14.69 17.03 26.60 2010-04-01 5.12 5.12 5.44 8.97 13.30 14.64 16.22 26.25 2010-04-02 4.98 4.98 5.44 8.73 13.47 14.49 16.73 25.37 2010-04-03 4.92 4.92 5.50 8.89 12.68 14.24 16.40 25.10 2010-04-04 4.75 4.75 5.49 9.29 13.23 14.37 17.06 24.76 2010-04-05 4.80 4.80 5.32 9.24 13.26 14.53 16.61 24.81 2010-04-06 -9999.0 3.85 5.31 9.03 11.68 13.89 16.49 25.14 2010-04-07 -9999.0 3.85 5.48 9.55 13.18 14.76 16.89 25.67 2010-04-08 4.79 4.79 5.40 9.99 12.81 14.01 16.42 25.89 2010-04-09 4.80 4.80 6.38 10.47 12.69 14.53 16.42 25.77 2010-04-10 4.75 4.75 6.44 10.57 12.71 14.79 16.53 25.76 2010-04-11 4.70 4.70 7.00 11.09 11.58 14.35 16.30 25.45 2010-04-12 4.57 4.57 6.79 11.05 12.12 14.79 16.76 24.18 2010-04-13 4.46 4.46 6.88 10.96 12.24 14.43 17.22 23.03 2010-04-14 4.27 4.27 10.91 12.19 12.76 15.55 18.23 22.07 2010-04-15 -9999.0 4.91 9.44 11.95 12.79 15.85 19.41 21.23 2010-04-16 4.11 4.11 4.72 10.50 12.42 14.53 16.78 20.39 2010-04-17 4.13 4.13 6.11 10.80 12.50 13.55 16.41 20.63 2010-04-18 4.13 4.13 4.43 7.98 11.59 12.76 15.22 20.58 2010-04-19 4.12 4.12 4.47 5.21 10.99 12.77 13.98 20.54 2010-04-20 -9999.0 4.78 5.19 8.23 11.12 12.63 14.75 20.25 2010-04-21 4.12 4.12 4.58 5.95 11.65 12.47 15.12 20.18 2010-04-22 4.11 4.11 4.51 5.31 10.69 11.96 15.41 20.09 2010-04-23 4.11 4.11 4.84 7.98 10.90 11.86 16.17 20.04 2010-04-24 -9999.0 6.41 7.88 10.26 10.88 12.03 16.88 19.91 2010-04-25 -9999.0 6.61 7.57 9.50 10.11 11.35 17.10 19.97 2010-04-26 -9999.0 6.95 7.98 9.67 10.22 12.12 16.96 19.87 2010-04-27 -9999.0 9.53 9.64 9.87 10.11 13.99 17.87 19.81 2010-04-28 -9999.0 8.86 9.96 12.17 14.37 16.58 18.78 19.88 2010-04-29 -9999.0 -9999.00-9999.00-9999.00-9999.00-9999.00-9999.00-9999.00 2010-04-30 -9999.0 8.16 9.35 11.74 14.12 16.50 18.88 20.07