Name: NH Vortex Area Units: million km!U2!N Level: 460 K Source: MERRA2 (Data starting 2022-04-01 are from GEOS FP) Missing: -9999.0 Climatology: 1978/1979 to 2020/2021 Date Data Minimum 10% 30% Mean 70% 90% Maximum 2021-10-01 32.82 4.89 10.69 14.80 20.19 23.73 32.75 41.12 2021-10-02 31.27 7.03 10.47 15.89 19.46 22.18 28.73 35.59 2021-10-03 33.42 5.56 11.16 15.26 19.78 23.06 30.58 40.45 2021-10-04 34.23 6.15 10.79 15.83 20.32 23.69 31.94 38.38 2021-10-05 -9999.0 6.64 11.31 15.36 20.13 24.32 32.32 35.43 2021-10-06 31.20 4.34 11.53 16.40 21.35 23.88 34.62 48.84 2021-10-07 26.57 3.69 10.64 15.70 21.65 25.76 31.73 41.94 2021-10-08 25.87 5.46 9.74 16.51 21.46 27.07 29.94 44.76 2021-10-09 21.25 5.92 11.33 16.09 20.56 25.62 28.85 42.48 2021-10-10 16.10 7.86 12.51 16.43 21.20 25.25 32.15 37.40 2021-10-11 13.57 8.21 10.55 16.66 20.75 23.96 32.64 35.91 2021-10-12 14.28 8.01 11.24 15.67 20.42 23.10 30.77 36.76 2021-10-13 13.42 6.74 11.30 14.04 19.86 23.92 29.70 36.82 2021-10-14 11.78 8.63 11.04 16.26 20.26 24.27 31.58 36.35 2021-10-15 11.16 7.27 9.86 15.83 19.99 22.77 30.53 40.91 2021-10-16 9.81 6.53 10.71 16.52 19.60 21.79 29.34 36.85 2021-10-17 8.24 7.20 10.49 15.36 19.79 23.16 30.46 44.48 2021-10-18 7.81 5.26 10.61 14.43 19.29 21.58 31.98 39.33 2021-10-19 10.41 5.57 9.18 14.91 19.34 22.69 32.43 40.07 2021-10-20 12.89 6.33 8.07 15.14 19.40 22.60 32.03 43.85 2021-10-21 15.47 6.15 8.83 14.44 19.14 22.37 30.58 43.42 2021-10-22 18.15 5.25 9.86 14.97 19.49 22.89 30.01 41.39 2021-10-23 21.41 6.11 11.67 15.22 19.45 21.77 30.69 40.70 2021-10-24 21.48 7.72 11.20 15.39 19.22 20.64 28.54 36.93 2021-10-25 21.28 7.28 11.08 15.07 19.08 22.55 30.68 35.23 2021-10-26 21.04 7.66 10.84 15.06 19.15 24.75 29.07 32.72 2021-10-27 21.66 6.26 12.03 14.64 18.78 23.07 27.22 31.50 2021-10-28 19.28 6.22 12.63 14.69 18.35 21.83 27.56 30.17 2021-10-29 17.07 6.57 10.77 14.49 18.61 21.57 28.67 34.00 2021-10-30 15.75 7.01 9.55 14.47 18.34 21.03 27.74 39.89 2021-10-31 14.65 6.65 9.21 14.52 18.05 20.46 26.83 44.55 2021-11-01 12.38 5.92 9.23 15.11 17.97 21.17 25.76 43.85 2021-11-02 12.53 5.66 9.11 14.42 17.56 19.95 26.27 39.78 2021-11-03 12.89 4.76 9.03 13.98 16.91 19.36 25.21 30.38 2021-11-04 12.83 5.01 9.59 13.36 16.59 19.61 23.97 30.34 2021-11-05 12.63 4.65 10.31 13.96 16.41 18.90 22.68 28.66 2021-11-06 12.90 6.14 11.28 13.40 16.58 18.88 23.14 28.29 2021-11-07 13.55 7.45 11.05 14.51 16.86 18.81 23.07 32.58 2021-11-08 13.63 8.49 11.51 13.96 17.17 18.70 23.80 34.91 2021-11-09 13.34 7.58 11.39 14.47 17.44 19.33 23.91 33.50 2021-11-10 12.79 6.15 11.00 14.86 17.72 20.22 25.04 29.33 2021-11-11 13.49 7.77 11.44 14.25 17.92 21.19 25.15 28.67 2021-11-12 12.91 5.47 11.15 14.62 17.90 20.84 24.82 29.75 2021-11-13 12.65 7.24 11.11 14.79 18.04 21.07 25.01 29.94 2021-11-14 12.70 8.35 11.46 15.07 18.18 21.73 24.67 27.85 2021-11-15 12.97 7.91 11.26 15.27 18.11 21.31 23.89 27.87 2021-11-16 11.82 7.76 11.39 14.83 18.02 22.00 24.09 25.90 2021-11-17 12.04 6.90 11.28 15.16 18.22 22.26 24.86 26.40 2021-11-18 13.32 4.81 11.52 14.87 18.43 22.47 25.23 29.92 2021-11-19 14.12 4.78 10.92 14.24 18.48 22.71 25.51 31.93 2021-11-20 15.11 4.71 11.16 14.28 18.76 23.39 25.92 36.36 2021-11-21 16.16 4.67 11.47 14.63 19.03 23.69 27.39 36.69 2021-11-22 17.06 5.07 11.76 14.11 19.33 22.96 29.07 36.24 2021-11-23 16.83 5.32 11.89 14.76 19.28 22.23 28.91 34.03 2021-11-24 16.84 5.42 12.05 15.03 19.24 23.07 29.27 32.97 2021-11-25 16.71 5.19 11.22 15.63 19.25 22.97 28.94 35.40 2021-11-26 16.47 7.24 11.26 15.58 19.32 23.41 29.09 34.26 2021-11-27 16.31 7.40 11.91 15.75 19.62 22.64 28.64 34.23 2021-11-28 16.27 7.72 11.84 16.38 20.12 23.42 28.36 33.97 2021-11-29 16.07 8.14 12.24 16.70 20.55 23.52 28.42 33.90 2021-11-30 15.66 8.47 12.41 18.12 21.23 24.32 30.77 33.91 2021-12-01 15.30 8.64 12.70 18.96 21.69 25.25 31.23 35.30 2021-12-02 14.97 8.84 13.04 18.53 22.06 25.39 31.28 34.60 2021-12-03 14.82 8.71 13.23 19.14 22.28 25.63 31.11 34.51 2021-12-04 15.05 8.74 13.50 18.56 22.62 26.43 32.40 37.08 2021-12-05 16.05 8.58 14.05 18.90 22.68 25.53 33.21 35.83 2021-12-06 15.80 8.50 14.31 18.39 22.81 25.80 33.34 35.84 2021-12-07 16.01 8.66 14.14 18.63 22.82 26.30 31.47 35.72 2021-12-08 15.22 8.36 13.52 19.80 22.86 26.16 32.12 35.53 2021-12-09 14.30 8.05 14.41 20.81 22.86 26.06 31.22 33.85 2021-12-10 12.39 7.75 15.02 20.25 22.74 25.45 29.64 33.45 2021-12-11 11.85 7.36 14.78 19.76 22.62 25.73 29.35 33.28 2021-12-12 10.78 6.86 14.44 19.93 22.53 25.70 30.60 34.12 2021-12-13 10.56 6.96 14.07 19.42 22.65 26.19 31.24 34.40 2021-12-14 10.48 6.95 14.72 19.56 22.90 26.26 31.18 34.97 2021-12-15 10.87 6.95 14.34 19.89 23.21 26.88 29.86 36.09 2021-12-16 11.25 8.11 13.29 19.81 23.25 26.86 30.40 35.75 2021-12-17 11.81 6.06 12.86 20.21 23.32 26.59 29.98 36.77 2021-12-18 11.77 5.02 12.99 20.44 22.96 26.39 29.80 37.70 2021-12-19 11.53 5.38 13.49 20.31 22.58 26.51 28.77 38.47 2021-12-20 11.33 5.59 13.85 20.00 22.23 25.50 28.38 38.93 2021-12-21 10.16 5.96 16.29 20.25 22.31 25.75 28.22 36.27 2021-12-22 13.50 11.01 16.58 19.95 22.48 25.74 28.19 33.24 2021-12-23 16.79 12.81 16.85 20.24 22.78 26.13 27.75 32.67 2021-12-24 19.96 14.45 17.06 20.70 23.16 25.87 28.82 32.04 2021-12-25 23.21 14.70 17.08 21.09 23.40 26.25 29.03 31.40 2021-12-26 27.29 14.70 16.95 20.74 23.51 26.90 29.22 32.63 2021-12-27 26.60 15.27 16.14 21.05 23.37 26.23 29.54 32.89 2021-12-28 26.69 15.50 16.46 20.83 23.49 26.18 30.48 33.32 2021-12-29 27.24 14.97 16.94 20.45 23.29 25.08 29.77 33.93 2021-12-30 27.19 12.67 16.68 19.88 23.01 25.25 29.21 35.11 2021-12-31 27.67 10.26 16.60 21.42 22.91 25.10 28.96 34.18 2022-01-01 28.86 7.74 15.88 22.57 23.18 25.34 28.93 33.22 2022-01-02 25.27 7.47 15.26 21.77 23.31 25.73 28.94 31.01 2022-01-03 24.64 7.26 16.03 22.52 23.41 26.23 29.85 30.72 2022-01-04 24.65 7.04 15.96 22.19 23.60 26.37 30.21 35.22 2022-01-05 24.52 6.85 17.62 22.39 23.87 26.55 30.70 37.67 2022-01-06 23.70 6.69 17.46 21.94 23.81 26.10 30.68 37.16 2022-01-07 28.04 6.63 17.33 22.15 23.64 25.94 30.08 36.58 2022-01-08 27.17 8.42 16.49 21.95 23.56 25.66 29.40 35.93 2022-01-09 26.82 10.28 17.49 21.40 23.64 26.12 29.30 36.29 2022-01-10 26.11 10.69 17.51 21.41 23.71 26.18 29.08 36.60 2022-01-11 25.67 10.60 18.23 21.74 23.80 26.23 28.92 33.77 2022-01-12 25.19 10.33 18.14 21.20 23.72 26.22 28.81 33.09 2022-01-13 26.69 8.55 17.97 21.47 23.72 26.27 29.40 36.37 2022-01-14 27.49 8.65 17.89 21.13 23.64 25.76 29.67 35.68 2022-01-15 28.65 8.72 17.85 21.47 23.33 25.34 29.60 36.67 2022-01-16 27.87 8.71 17.99 21.37 23.05 25.23 29.84 37.01 2022-01-17 27.17 8.71 17.46 20.57 23.03 26.12 29.96 37.01 2022-01-18 26.85 10.35 17.09 20.41 23.17 26.65 30.16 34.05 2022-01-19 25.99 9.86 17.21 20.27 23.23 26.93 30.98 33.05 2022-01-20 25.10 9.80 17.73 20.13 23.09 26.44 30.25 33.35 2022-01-21 26.64 9.65 15.46 20.21 23.21 26.99 29.86 35.11 2022-01-22 27.20 9.89 15.96 20.01 23.53 27.18 30.40 33.89 2022-01-23 27.28 9.47 16.31 20.00 23.57 26.59 30.76 33.13 2022-01-24 27.78 7.18 16.26 20.47 23.34 27.02 30.28 33.46 2022-01-25 27.60 7.43 17.73 21.05 23.40 26.23 29.57 34.51 2022-01-26 26.66 8.97 16.77 20.87 23.19 25.75 30.05 35.06 2022-01-27 26.00 9.63 15.19 20.02 22.50 25.10 28.60 35.01 2022-01-28 25.65 10.37 13.49 19.47 21.98 24.93 28.05 34.94 2022-01-29 25.49 9.67 15.17 19.56 21.67 24.44 27.81 37.37 2022-01-30 25.38 8.91 14.19 19.40 21.39 24.26 27.71 37.26 2022-01-31 25.10 6.81 14.83 19.00 21.27 24.44 27.32 36.90 2022-02-01 25.17 4.38 14.79 18.38 21.27 24.24 27.18 36.60 2022-02-02 25.03 4.28 14.12 18.22 21.03 23.87 28.45 36.62 2022-02-03 24.65 4.56 13.90 17.81 21.03 24.85 28.42 37.00 2022-02-04 24.55 4.09 12.87 17.97 20.95 24.84 29.83 37.10 2022-02-05 24.65 4.07 11.68 17.58 20.68 24.79 30.02 35.78 2022-02-06 24.59 3.72 10.90 17.01 20.46 24.57 29.71 38.27 2022-02-07 24.72 3.66 10.00 17.45 20.59 24.52 30.04 37.82 2022-02-08 24.85 3.52 9.32 17.64 20.44 23.96 28.48 37.75 2022-02-09 24.81 3.49 9.45 17.84 20.29 23.61 28.28 37.65 2022-02-10 24.46 3.39 10.25 17.75 20.20 23.15 27.89 37.37 2022-02-11 24.16 3.25 9.93 17.79 20.04 23.35 29.79 35.14 2022-02-12 23.76 2.79 8.35 17.16 19.83 23.47 29.53 34.77 2022-02-13 23.40 2.59 9.01 16.81 19.64 23.68 29.20 36.81 2022-02-14 23.16 2.37 9.46 16.85 19.44 23.51 29.01 37.36 2022-02-15 23.33 2.26 10.38 16.41 19.49 23.63 28.11 37.52 2022-02-16 23.31 2.03 11.22 17.05 19.51 23.11 27.40 37.44 2022-02-17 23.46 1.99 10.72 16.52 19.28 22.89 27.26 37.04 2022-02-18 24.08 1.86 10.25 15.90 19.13 22.57 28.60 36.79 2022-02-19 -9999.0 2.01 9.83 16.04 19.10 22.27 28.89 39.74 2022-02-20 24.61 2.04 9.58 16.24 18.90 22.13 28.58 38.93 2022-02-21 23.03 2.18 9.11 15.30 18.59 21.37 29.18 38.36 2022-02-22 23.16 2.19 9.14 15.45 18.71 22.08 29.07 39.41 2022-02-23 23.01 2.13 9.51 15.49 18.89 22.19 28.97 40.93 2022-02-24 21.18 2.20 8.87 15.67 18.91 22.65 28.68 39.37 2022-02-25 20.39 2.43 8.89 15.12 18.95 23.28 29.20 38.98 2022-02-26 21.09 2.50 8.68 14.49 19.03 23.35 28.72 38.33 2022-02-27 20.95 2.24 8.51 14.58 19.01 23.05 28.78 46.36 2022-02-28 20.71 2.04 8.69 14.49 18.72 22.95 28.37 45.83 2022-03-01 21.71 1.77 8.36 14.20 18.40 22.47 28.09 44.58 2022-03-02 21.79 1.86 8.17 14.20 18.07 22.09 27.74 43.12 2022-03-03 22.01 1.70 8.45 13.88 17.73 21.63 26.65 41.45 2022-03-04 21.50 1.83 8.83 13.89 17.62 21.72 26.16 36.96 2022-03-05 22.04 1.94 8.94 13.76 17.45 21.55 26.51 33.01 2022-03-06 22.34 2.02 9.14 13.57 17.27 21.52 25.26 30.02 2022-03-07 23.27 1.62 8.96 13.37 17.10 21.12 24.15 29.87 2022-03-08 24.59 1.66 8.86 13.72 17.03 21.19 24.12 29.70 2022-03-09 26.32 2.48 8.38 12.77 16.85 21.47 24.29 30.79 2022-03-10 25.68 2.39 7.76 12.36 16.52 20.61 23.95 29.41 2022-03-11 25.96 2.29 7.92 12.56 16.19 20.08 24.56 30.05 2022-03-12 26.33 2.31 8.37 12.66 15.96 19.81 24.82 30.19 2022-03-13 26.71 2.24 8.29 12.65 15.61 19.22 24.10 29.96 2022-03-14 24.80 1.46 8.35 12.15 15.50 19.28 24.00 29.31 2022-03-15 25.90 1.45 8.17 12.09 15.39 19.36 24.58 28.44 2022-03-16 24.39 1.57 8.00 12.17 15.35 19.03 24.75 28.19 2022-03-17 23.55 1.43 8.30 11.89 15.14 18.79 24.69 28.29 2022-03-18 23.10 1.41 8.52 11.61 14.95 18.05 23.96 30.21 2022-03-19 24.04 1.31 6.83 9.59 14.62 18.33 23.59 32.97 2022-03-20 23.55 1.27 7.07 9.74 14.58 18.58 24.91 31.53 2022-03-21 25.15 1.23 6.96 9.87 14.53 17.49 24.53 32.12 2022-03-22 25.40 1.31 6.33 9.98 14.49 18.51 23.35 32.54 2022-03-23 25.38 1.53 6.06 9.78 14.37 17.96 22.41 32.21 2022-03-24 25.84 1.45 6.22 9.81 14.30 17.03 23.19 32.94 2022-03-25 25.73 1.36 5.64 9.99 14.28 17.31 22.93 39.13 2022-03-26 25.58 1.29 5.73 10.08 13.96 17.04 23.20 33.75 2022-03-27 25.43 1.26 5.82 10.21 13.78 15.23 23.55 33.48 2022-03-28 25.09 1.16 5.87 9.48 13.62 15.12 24.38 37.76 2022-03-29 24.50 1.44 5.57 9.65 13.66 16.30 24.65 37.74 2022-03-30 24.37 1.47 4.84 9.24 13.50 16.56 24.02 35.40 2022-03-31 24.34 1.59 5.07 8.60 13.47 16.94 24.08 38.34 2022-04-01 24.02 1.38 5.03 8.41 13.30 16.50 24.13 39.07 2022-04-02 23.39 1.24 4.90 8.37 13.29 16.16 24.00 42.09 2022-04-03 22.92 3.28 5.34 8.70 13.27 16.16 22.73 38.92 2022-04-04 22.70 3.09 5.12 8.29 13.06 15.92 21.02 34.94 2022-04-05 21.91 3.56 4.96 8.20 13.07 16.37 18.97 33.32 2022-04-06 21.87 3.04 4.66 8.20 13.12 16.71 23.65 30.23 2022-04-07 22.03 2.80 4.04 7.64 13.18 16.76 25.65 32.16 2022-04-08 22.06 2.27 4.40 7.30 13.04 16.47 25.33 34.41 2022-04-09 21.86 2.80 4.37 7.60 13.01 15.94 24.88 32.63 2022-04-10 22.27 3.83 4.72 7.15 12.85 15.73 25.55 31.27 2022-04-11 21.88 3.54 4.55 8.31 12.92 15.73 24.98 30.48 2022-04-12 22.01 3.78 4.88 8.30 12.77 14.53 23.50 34.02 2022-04-13 20.43 3.67 4.77 8.68 12.91 15.60 21.68 38.74 2022-04-14 18.47 3.04 4.94 9.29 13.22 15.56 21.43 37.05 2022-04-15 16.26 2.63 4.46 8.30 13.22 14.95 24.42 39.94 2022-04-16 14.40 2.16 4.21 8.13 13.44 15.35 25.03 47.06 2022-04-17 11.87 1.55 4.18 7.95 14.12 16.49 25.49 52.24 2022-04-18 11.24 0.70 4.27 7.24 14.24 16.90 27.71 52.35 2022-04-19 11.32 0.59 4.16 7.07 14.13 16.06 27.83 53.90 2022-04-20 10.79 0.53 4.12 7.12 14.47 15.30 27.97 52.27 2022-04-21 10.34 0.36 3.71 6.81 14.51 14.65 28.22 49.54 2022-04-22 10.05 1.07 3.63 7.63 14.25 14.66 32.60 47.40 2022-04-23 10.09 1.69 3.56 7.01 14.15 14.74 33.05 48.46 2022-04-24 9.74 3.10 3.50 7.36 14.21 14.61 31.50 47.87 2022-04-25 8.92 3.05 3.81 7.16 14.38 16.90 30.49 44.33 2022-04-26 7.98 2.89 3.92 6.98 14.66 17.27 31.85 45.46 2022-04-27 7.08 0.71 3.81 8.27 14.64 15.58 32.94 53.37 2022-04-28 5.99 0.74 4.07 7.70 15.16 16.57 31.96 50.28 2022-04-29 4.63 2.70 4.63 7.76 16.05 20.06 33.10 44.79 2022-04-30 4.27 2.17 3.92 7.05 14.82 19.47 32.88 39.24