Name: NH Vortex Area Units: million km!U2!N Level: 360 K Source: MERRA2 Missing: -9999.0 Climatology: 1978/1979 to 2020/2021 Date Data Minimum 10% 30% Mean 70% 90% Maximum 2021-10-01 53.99 0.34 12.37 25.99 33.59 45.29 49.38 55.00 2021-10-02 53.71 1.96 16.96 25.84 34.36 44.91 50.13 52.65 2021-10-03 52.00 0.31 11.98 23.62 32.43 46.36 49.35 52.35 2021-10-04 51.03 0.33 12.19 26.17 32.00 41.29 47.95 51.96 2021-10-05 51.00 0.81 10.93 24.31 32.40 43.30 49.69 54.04 2021-10-06 52.50 3.64 12.69 22.02 32.03 42.81 49.25 54.35 2021-10-07 51.66 0.13 12.70 23.47 33.14 43.81 53.21 55.43 2021-10-08 54.39 0.55 8.63 29.88 34.00 43.33 53.62 55.19 2021-10-09 54.24 0.89 13.61 27.42 35.20 43.77 54.33 55.99 2021-10-10 52.73 1.07 13.44 30.97 36.08 47.03 53.64 58.20 2021-10-11 50.16 5.24 12.91 34.07 37.23 46.94 54.28 58.59 2021-10-12 51.18 1.08 10.47 34.84 37.22 47.38 53.96 56.36 2021-10-13 50.96 1.73 13.88 31.94 36.19 44.89 52.35 54.25 2021-10-14 51.92 7.72 17.28 28.67 36.10 44.86 53.22 55.38 2021-10-15 53.07 4.60 13.13 32.94 35.26 44.22 48.30 55.98 2021-10-16 53.85 0.65 9.69 31.78 34.57 43.52 46.37 55.55 2021-10-17 53.21 0.47 8.09 29.05 32.87 42.51 46.93 53.96 2021-10-18 50.12 5.39 8.89 30.05 34.07 44.65 50.44 55.51 2021-10-19 47.45 0.23 7.09 27.63 31.44 43.88 48.77 55.11 2021-10-20 43.03 0.26 6.97 26.08 31.94 41.48 47.79 57.48 2021-10-21 40.30 0.32 9.88 28.43 32.49 41.45 51.45 57.28 2021-10-22 38.82 2.14 15.46 24.35 33.41 43.59 53.23 57.90 2021-10-23 36.19 1.76 11.95 24.72 32.35 41.85 50.89 56.96 2021-10-24 35.30 4.56 13.35 22.91 33.37 43.99 53.00 56.70 2021-10-25 36.26 7.40 11.23 25.67 33.03 42.98 52.21 55.12 2021-10-26 35.72 8.28 12.72 22.11 31.16 39.27 48.37 54.11 2021-10-27 34.82 6.66 12.52 27.07 31.48 38.05 50.01 55.79 2021-10-28 36.35 1.46 15.70 23.83 32.65 42.14 50.53 55.90 2021-10-29 34.03 2.06 11.18 26.72 32.80 42.39 51.29 54.85 2021-10-30 31.17 0.26 16.10 29.98 33.97 42.58 52.39 55.00 2021-10-31 27.63 0.26 15.54 27.52 33.23 40.90 49.02 54.66 2021-11-01 23.42 1.92 21.55 27.65 34.20 39.82 50.86 56.01 2021-11-02 19.77 2.15 16.37 27.02 32.05 39.54 49.10 56.07 2021-11-03 27.46 2.04 17.39 29.50 33.52 39.66 48.85 50.66 2021-11-04 29.89 2.02 21.20 26.17 33.32 40.26 48.67 52.78 2021-11-05 35.15 7.60 16.13 27.11 32.94 39.39 48.73 52.17 2021-11-06 39.95 7.63 18.12 30.47 35.34 42.82 50.06 55.71 2021-11-07 45.29 5.21 14.78 25.78 33.42 41.86 50.75 54.93 2021-11-08 42.70 3.95 13.85 26.21 33.99 43.68 48.75 53.92 2021-11-09 42.62 6.94 16.97 23.91 32.90 42.06 48.01 53.51 2021-11-10 40.27 6.12 13.50 27.47 32.41 42.05 48.50 53.71 2021-11-11 38.84 2.38 18.28 23.70 33.19 41.80 49.01 59.09 2021-11-12 35.51 2.42 16.69 26.36 33.95 42.42 49.79 52.65 2021-11-13 31.61 2.40 15.61 27.20 34.06 41.93 50.54 56.23 2021-11-14 29.83 2.29 16.84 29.41 33.62 41.54 49.52 51.88 2021-11-15 28.84 9.00 14.14 27.44 33.54 41.87 47.98 53.13 2021-11-16 27.74 7.21 12.37 25.49 32.22 40.01 46.81 55.35 2021-11-17 27.04 4.18 17.32 26.32 32.20 41.43 45.96 56.41 2021-11-18 27.19 4.14 11.91 24.87 30.61 40.06 44.87 56.46 2021-11-19 27.68 4.96 12.31 25.76 30.99 37.52 46.57 54.97 2021-11-20 27.34 9.31 13.35 26.24 30.69 37.26 44.24 52.56 2021-11-21 27.01 9.46 16.54 27.62 31.66 38.21 43.76 53.86 2021-11-22 27.50 4.12 15.84 27.06 30.55 35.38 44.91 51.83 2021-11-23 26.88 1.15 11.24 24.76 29.10 35.58 40.43 53.44 2021-11-24 25.61 1.19 11.05 24.08 29.08 37.26 45.05 52.40 2021-11-25 25.08 3.88 13.51 23.29 29.27 35.78 44.27 50.80 2021-11-26 25.32 5.21 14.10 24.96 29.54 35.17 44.09 47.52 2021-11-27 23.56 3.72 18.05 25.01 31.31 39.73 45.19 48.94 2021-11-28 22.54 3.49 15.71 24.66 30.62 38.19 42.70 45.73 2021-11-29 22.39 3.82 17.85 25.81 31.28 38.05 42.88 51.62 2021-11-30 21.70 9.42 19.33 26.93 31.92 36.92 45.16 56.56 2021-12-01 25.53 9.30 21.19 27.15 32.17 38.02 42.55 56.12 2021-12-02 23.60 7.18 19.84 25.93 32.50 37.72 44.65 51.08 2021-12-03 20.81 6.31 20.05 27.08 33.37 40.75 45.59 48.23 2021-12-04 24.76 11.89 15.16 23.79 31.69 39.24 43.98 48.48 2021-12-05 21.63 8.33 13.11 24.27 31.39 39.49 45.83 50.00 2021-12-06 13.25 4.58 15.59 25.59 31.07 38.86 43.52 51.45 2021-12-07 12.38 10.68 18.17 26.60 31.75 38.05 43.52 50.34 2021-12-08 12.79 7.27 19.43 25.68 31.38 37.54 45.93 48.54 2021-12-09 5.85 6.67 19.44 26.04 30.90 35.60 44.17 49.31 2021-12-10 6.98 3.21 17.00 25.00 30.38 36.91 42.63 53.68 2021-12-11 7.69 2.00 15.74 26.76 30.79 36.30 44.17 52.32 2021-12-12 7.56 2.59 13.18 26.01 29.71 36.88 43.42 50.02 2021-12-13 6.95 2.52 11.32 25.40 29.71 37.47 45.03 52.08 2021-12-14 6.96 2.56 11.95 25.10 30.34 39.74 46.37 52.77 2021-12-15 6.82 7.33 15.93 28.22 32.06 39.03 45.82 54.49 2021-12-16 17.34 5.84 15.77 27.68 32.91 38.27 48.33 54.12 2021-12-17 16.64 6.36 19.89 26.17 32.73 37.87 47.79 52.91 2021-12-18 15.98 5.41 21.57 29.74 34.39 38.83 47.73 53.84 2021-12-19 26.65 2.57 23.15 27.29 33.36 41.43 46.89 52.55 2021-12-20 26.66 2.88 19.91 27.35 33.10 39.31 47.83 53.43 2021-12-21 22.80 0.54 15.60 29.18 33.04 38.24 47.50 52.27 2021-12-22 30.53 2.86 16.61 26.67 32.70 40.44 47.15 52.87 2021-12-23 41.74 3.99 15.37 24.54 31.31 37.22 47.42 55.54 2021-12-24 36.15 5.83 15.35 27.28 32.64 40.87 46.44 54.58 2021-12-25 42.42 3.93 15.95 24.45 32.01 39.81 45.48 50.56 2021-12-26 43.89 8.30 17.70 23.65 31.56 39.38 44.65 52.30 2021-12-27 45.15 3.65 14.01 23.23 30.62 39.21 45.62 50.65 2021-12-28 33.67 3.97 15.23 26.13 31.54 38.84 46.82 48.78 2021-12-29 27.20 4.40 17.20 23.59 31.12 38.51 45.02 52.64 2021-12-30 29.28 4.17 16.16 24.43 31.18 38.08 46.06 53.36 2021-12-31 19.96 0.64 19.13 25.92 31.51 37.98 45.74 53.39 2022-01-01 10.88 0.80 17.88 25.91 31.21 37.87 43.77 55.11 2022-01-02 11.12 0.95 16.94 28.41 31.27 38.60 43.77 48.50 2022-01-03 22.63 11.70 17.54 27.61 32.31 39.26 45.83 49.77 2022-01-04 20.61 10.73 17.30 27.03 32.48 39.91 44.47 49.49 2022-01-05 -9999.0 9.30 15.71 26.97 32.74 39.26 44.48 52.15 2022-01-06 30.26 8.25 18.87 28.21 33.55 40.25 46.65 53.11 2022-01-07 39.74 9.16 20.75 24.42 33.75 40.75 48.99 55.79 2022-01-08 -9999.0 11.76 20.24 24.46 33.09 40.17 46.82 55.37 2022-01-09 51.37 15.52 18.92 25.21 33.40 40.58 45.72 55.78 2022-01-10 49.24 13.87 18.96 24.32 33.20 41.35 45.77 56.10 2022-01-11 51.18 13.01 19.62 23.91 32.84 41.55 45.11 54.91 2022-01-12 50.65 10.55 18.58 24.37 32.19 39.22 48.47 55.49 2022-01-13 47.26 12.07 17.16 25.43 32.30 39.42 44.90 54.22 2022-01-14 41.11 11.79 16.83 26.26 31.76 37.71 44.88 54.04 2022-01-15 36.85 9.57 17.47 26.94 31.75 36.88 44.89 53.98 2022-01-16 32.87 7.30 16.52 26.28 31.77 36.44 44.47 53.86 2022-01-17 29.02 5.05 17.62 28.17 31.59 36.28 43.45 52.67 2022-01-18 27.74 3.73 18.74 26.23 31.76 38.46 44.73 53.96 2022-01-19 27.18 4.79 17.65 26.80 32.19 40.45 44.35 52.65 2022-01-20 32.91 10.67 19.22 25.87 32.18 38.81 43.39 52.80 2022-01-21 38.49 10.58 18.89 26.50 31.65 38.43 46.00 48.72 2022-01-22 42.16 12.40 19.17 26.48 32.29 37.77 46.36 49.30 2022-01-23 43.93 9.76 19.00 26.41 31.79 38.39 44.80 50.63 2022-01-24 44.82 7.80 21.29 25.43 31.32 37.76 43.73 49.60 2022-01-25 39.57 5.84 21.65 25.63 31.42 37.62 42.72 50.88 2022-01-26 34.82 8.29 20.94 27.59 32.81 40.00 46.87 49.69 2022-01-27 31.42 9.97 20.02 28.54 32.96 39.30 47.25 49.90 2022-01-28 31.26 11.87 20.67 28.20 33.25 38.76 48.62 55.78 2022-01-29 34.28 8.34 21.55 28.83 33.51 38.54 47.92 51.62 2022-01-30 36.60 13.88 19.80 27.29 33.05 38.64 47.39 50.18 2022-01-31 37.34 13.49 18.79 23.42 31.35 36.42 48.36 51.90 2022-02-01 37.72 13.36 18.70 23.75 31.11 37.04 48.22 53.42 2022-02-02 35.67 4.74 17.95 23.05 30.56 36.76 46.02 54.27 2022-02-03 31.80 3.88 16.16 22.19 29.43 34.40 45.46 54.92 2022-02-04 28.29 3.95 14.64 22.95 29.21 34.71 44.53 54.47 2022-02-05 25.60 4.04 15.48 24.29 29.65 33.77 45.17 51.27 2022-02-06 24.44 4.43 14.50 26.01 28.82 33.32 43.64 51.35 2022-02-07 28.61 4.73 13.46 26.12 29.05 34.58 40.93 50.21 2022-02-08 28.74 5.12 16.72 25.18 29.24 34.60 42.59 49.12 2022-02-09 28.62 3.62 18.03 24.29 29.47 35.53 44.73 48.87 2022-02-10 28.75 1.87 17.52 23.34 29.51 37.71 42.44 49.52 2022-02-11 31.08 2.43 11.42 24.26 29.95 38.78 43.84 49.11 2022-02-12 31.53 3.08 14.55 25.18 30.10 37.30 43.94 52.81 2022-02-13 28.82 3.00 16.39 24.56 29.98 37.23 43.21 53.44 2022-02-14 27.76 3.21 17.69 24.98 29.20 34.53 41.72 55.20 2022-02-15 27.13 3.45 17.80 23.06 29.07 35.41 41.38 52.09 2022-02-16 28.52 2.25 10.85 20.93 28.46 36.27 41.36 49.29 2022-02-17 24.86 1.59 12.32 20.33 27.66 34.79 41.73 48.43 2022-02-18 25.75 2.24 12.18 19.88 27.37 35.36 43.12 48.17 2022-02-19 26.77 2.10 9.66 19.90 27.61 37.76 42.96 47.87 2022-02-20 29.75 1.70 9.85 20.14 26.69 35.39 42.51 47.48 2022-02-21 28.71 1.72 8.52 19.86 25.71 31.27 39.59 51.08 2022-02-22 30.88 1.65 7.54 18.93 24.69 29.91 39.27 48.76 2022-02-23 35.79 2.46 6.35 19.41 24.54 30.63 39.32 48.60 2022-02-24 42.74 2.98 6.30 17.56 23.81 30.79 40.75 48.42 2022-02-25 44.45 1.93 7.14 17.57 24.12 30.55 43.33 48.96 2022-02-26 44.95 1.00 6.26 16.89 23.83 30.24 42.25 49.69 2022-02-27 45.58 1.40 5.58 16.88 23.77 29.40 41.94 49.09 2022-02-28 45.23 2.21 5.41 18.14 23.89 30.10 39.20 47.95 2022-03-01 42.32 2.23 6.68 16.01 23.39 29.51 38.98 47.88 2022-03-02 39.37 1.95 6.00 17.14 23.48 30.23 35.32 49.22 2022-03-03 38.54 1.31 5.74 15.56 23.37 30.04 37.31 50.64 2022-03-04 36.92 1.13 5.74 15.67 23.75 30.11 39.53 49.68 2022-03-05 35.44 0.68 5.40 15.85 23.62 29.89 43.86 51.56 2022-03-06 33.84 0.79 5.38 16.83 24.34 30.35 41.17 49.40 2022-03-07 35.67 2.57 6.45 14.77 23.47 31.92 36.22 49.58 2022-03-08 34.39 2.44 4.81 15.47 23.06 28.74 38.76 49.24 2022-03-09 34.65 2.42 5.08 15.35 21.78 26.84 37.71 48.99 2022-03-10 33.88 2.27 5.06 14.76 21.59 26.12 39.38 48.04 2022-03-11 34.12 3.73 5.95 14.21 21.02 26.51 38.99 47.51 2022-03-12 34.07 1.77 5.78 14.04 21.72 26.75 38.71 49.51 2022-03-13 34.90 2.68 7.11 14.06 21.77 28.72 39.80 48.46 2022-03-14 34.65 2.51 7.43 14.63 21.77 27.29 37.39 46.03 2022-03-15 34.88 1.82 7.41 14.82 21.44 26.66 37.76 49.78 2022-03-16 34.09 2.06 6.64 13.36 21.48 26.56 35.09 50.75 2022-03-17 32.17 2.65 6.01 14.30 20.75 26.40 33.78 49.24 2022-03-18 30.59 1.62 7.36 15.41 21.38 26.35 33.24 53.55 2022-03-19 28.83 0.97 5.59 15.10 20.51 25.79 32.71 53.79 2022-03-20 27.55 1.14 6.76 16.70 20.86 24.21 34.12 51.02 2022-03-21 26.54 0.73 4.75 15.28 19.69 23.12 32.21 49.62 2022-03-22 26.46 0.60 4.11 15.74 19.73 23.22 32.18 51.85 2022-03-23 25.90 1.50 3.01 15.47 19.01 22.25 31.17 52.07 2022-03-24 26.08 1.60 3.42 15.24 19.77 23.82 33.17 45.71 2022-03-25 27.12 1.85 4.46 13.78 19.35 24.79 32.30 44.26 2022-03-26 28.28 1.66 6.31 15.00 19.44 24.07 31.91 40.17 2022-03-27 28.82 1.53 8.09 12.95 19.32 25.04 32.97 39.74 2022-03-28 29.71 1.67 8.72 13.20 19.33 23.72 32.58 37.53 2022-03-29 29.60 2.16 7.87 12.51 18.90 23.88 32.28 37.05 2022-03-30 28.67 0.15 8.69 12.59 19.21 24.32 32.70 38.99 2022-03-31 27.55 0.58 5.21 11.74 19.19 24.48 33.04 39.75 2022-04-01 26.77 0.71 6.14 10.28 18.73 23.52 31.84 50.91 2022-04-02 26.20 1.50 6.08 10.52 18.67 22.61 32.74 51.50 2022-04-03 26.39 2.11 5.28 9.93 18.27 21.75 32.78 54.46 2022-04-04 27.09 0.57 4.81 11.30 17.87 21.45 33.92 51.09 2022-04-05 26.90 0.89 4.01 11.12 17.86 21.42 33.40 46.60 2022-04-06 27.04 1.37 4.71 10.99 17.27 21.13 31.75 41.58 2022-04-07 27.47 2.47 4.63 10.75 17.48 22.81 31.01 43.34 2022-04-08 28.17 2.68 5.42 9.76 17.81 23.31 33.51 43.43 2022-04-09 28.49 2.99 5.36 9.07 17.29 21.05 33.11 44.97 2022-04-10 28.65 3.37 6.05 9.87 18.00 22.64 31.46 53.04 2022-04-11 26.57 3.62 6.31 11.16 18.80 22.23 31.54 51.39 2022-04-12 24.77 3.42 5.54 10.68 18.32 22.01 33.15 47.69 2022-04-13 21.84 4.39 6.86 13.59 18.96 21.47 37.02 49.90 2022-04-14 19.34 3.45 6.29 12.54 18.19 21.48 35.61 50.24 2022-04-15 17.97 0.54 5.11 13.04 17.89 21.87 31.29 48.22 2022-04-16 21.39 1.98 4.98 12.25 18.05 22.45 31.17 47.56 2022-04-17 22.80 2.03 4.81 12.32 17.65 22.57 29.96 45.79 2022-04-18 29.89 1.43 4.42 11.12 16.71 20.41 30.14 41.64 2022-04-19 36.48 1.55 4.47 9.90 17.02 23.27 30.72 37.05 2022-04-20 37.62 1.51 4.23 9.62 16.27 20.28 31.87 37.11 2022-04-21 41.23 1.44 3.99 9.98 15.74 18.75 29.93 39.35 2022-04-22 46.34 1.46 3.89 10.32 15.23 17.66 27.22 41.24 2022-04-23 37.87 0.97 3.42 6.51 14.86 19.50 31.60 40.38 2022-04-24 29.33 0.76 1.86 5.92 14.00 20.63 27.78 39.31 2022-04-25 33.24 1.33 2.10 5.39 15.02 19.98 33.12 41.82 2022-04-26 33.52 1.13 2.77 5.39 15.03 20.51 34.94 45.80 2022-04-27 24.13 0.20 1.13 4.45 14.18 23.26 31.39 40.96 2022-04-28 29.23 0.58 2.01 6.23 14.49 19.41 27.78 44.47 2022-04-29 32.24 0.19 0.94 5.59 14.47 18.41 32.65 46.44 2022-04-30 33.45 0.24 2.83 7.05 14.89 19.36 31.63 47.37