Name: NH Vortex Area Units: million km!U2!N Level: 850 K Source: MERRA2 Missing: -9999.0 Climatology: 1978/1979 to 2021/2022 Date Data Minimum 10% 30% Mean 70% 90% Maximum 2022-10-01 29.08 10.70 17.76 26.54 28.97 32.53 37.49 43.82 2022-10-02 30.63 9.09 19.38 26.24 28.86 32.00 36.62 45.22 2022-10-03 33.34 9.77 21.01 27.00 28.80 31.51 38.28 44.60 2022-10-04 31.88 8.95 20.71 25.08 28.22 31.48 38.38 43.79 2022-10-05 24.68 7.24 19.44 25.05 27.99 31.76 37.89 43.49 2022-10-06 25.33 6.30 18.36 23.09 27.49 31.30 37.47 43.04 2022-10-07 25.44 4.84 16.52 22.46 27.20 31.19 39.89 43.20 2022-10-08 23.63 6.16 16.54 21.49 26.84 31.59 40.74 43.24 2022-10-09 22.30 9.39 16.93 22.46 27.22 30.30 40.57 44.54 2022-10-10 22.04 9.59 17.70 23.57 27.75 30.59 40.23 49.29 2022-10-11 20.05 9.72 19.57 22.79 28.19 30.93 40.23 49.38 2022-10-12 16.54 9.90 20.28 23.92 28.59 31.67 41.09 49.01 2022-10-13 16.06 10.86 19.55 23.80 28.67 32.07 40.37 49.80 2022-10-14 17.97 12.93 18.72 23.34 28.25 31.90 39.46 47.50 2022-10-15 17.97 11.52 18.75 23.01 27.75 32.31 37.95 46.44 2022-10-16 17.84 13.76 18.82 22.51 27.49 32.04 37.19 45.63 2022-10-17 23.53 11.78 18.40 22.43 27.05 30.56 38.27 45.09 2022-10-18 28.41 11.58 18.20 22.17 27.05 29.88 39.86 44.56 2022-10-19 32.44 8.56 17.77 21.25 26.83 29.93 40.14 44.04 2022-10-20 36.67 8.35 17.82 22.25 26.39 29.61 37.97 43.45 2022-10-21 40.74 9.77 17.70 21.07 25.76 28.70 37.32 43.23 2022-10-22 40.63 15.18 18.06 21.08 25.77 29.64 35.77 42.86 2022-10-23 39.88 14.80 17.74 20.83 25.58 29.18 35.99 42.53 2022-10-24 37.97 14.92 18.21 20.93 25.53 27.65 35.96 42.13 2022-10-25 36.84 10.14 17.98 21.67 25.13 28.23 35.10 41.56 2022-10-26 33.33 10.32 17.96 21.18 25.13 28.53 35.06 40.46 2022-10-27 29.88 8.64 17.33 20.48 24.87 28.28 35.77 39.88 2022-10-28 24.84 7.52 17.25 20.38 24.61 27.16 34.91 39.69 2022-10-29 21.15 4.34 17.79 19.93 24.46 28.54 34.62 39.36 2022-10-30 16.85 4.36 16.96 19.93 24.83 29.02 35.46 40.11 2022-10-31 15.00 7.79 16.88 20.24 24.97 28.59 35.15 40.63 2022-11-01 14.87 9.06 16.99 20.25 24.73 28.29 34.20 40.68 2022-11-02 15.13 10.48 16.44 19.91 24.62 27.39 35.18 40.73 2022-11-03 15.62 13.83 16.31 21.07 24.55 26.96 34.31 41.18 2022-11-04 17.59 13.52 16.61 20.82 24.61 27.02 33.87 40.03 2022-11-05 17.50 13.14 15.55 20.40 24.39 27.11 33.86 40.24 2022-11-06 15.69 12.26 15.38 19.98 24.17 27.21 31.95 36.37 2022-11-07 15.90 10.99 17.56 20.17 24.60 27.02 32.63 36.67 2022-11-08 16.16 14.48 17.44 20.13 24.64 27.06 33.38 37.04 2022-11-09 16.90 16.43 18.55 20.65 25.18 27.72 33.57 36.90 2022-11-10 19.70 15.56 17.90 21.85 25.49 29.55 32.78 37.77 2022-11-11 22.15 16.22 18.44 21.33 25.95 28.97 34.22 40.33 2022-11-12 23.11 14.14 18.06 21.68 25.90 29.53 34.03 39.10 2022-11-13 24.10 14.53 18.32 21.72 25.62 28.22 34.27 39.34 2022-11-14 23.05 12.87 18.42 21.84 24.86 27.29 32.33 37.42 2022-11-15 20.70 12.76 18.94 21.41 24.56 25.93 32.05 37.30 2022-11-16 20.39 12.54 19.70 21.44 24.69 26.16 32.44 39.45 2022-11-17 21.90 12.56 18.50 21.69 24.45 26.81 32.10 46.61 2022-11-18 23.08 12.40 18.53 21.92 24.88 26.23 32.78 52.82 2022-11-19 23.69 12.79 17.65 22.05 25.14 27.37 32.66 51.73 2022-11-20 25.59 13.17 18.17 21.04 25.34 27.78 32.43 56.54 2022-11-21 25.80 12.67 18.37 20.64 25.38 27.06 32.16 54.94 2022-11-22 24.91 12.53 17.85 20.23 25.50 27.50 32.75 53.08 2022-11-23 24.28 12.40 17.47 21.04 25.42 28.36 32.99 51.46 2022-11-24 24.59 13.78 16.61 21.05 25.77 29.07 33.82 50.21 2022-11-25 23.26 13.77 17.76 22.68 26.26 29.38 33.90 45.78 2022-11-26 22.13 14.16 17.78 22.81 26.38 29.39 35.32 43.42 2022-11-27 21.54 14.51 17.66 22.87 26.74 29.30 36.32 47.53 2022-11-28 20.87 14.58 17.81 23.62 27.38 29.17 36.41 53.45 2022-11-29 21.14 12.78 17.58 23.49 27.53 29.93 37.69 58.69 2022-11-30 22.32 12.13 17.10 23.81 27.26 28.73 36.02 58.69 2022-12-01 23.26 11.89 17.48 22.84 27.31 29.33 37.40 58.37 2022-12-02 23.23 12.25 17.78 22.40 27.21 29.20 37.23 58.22 2022-12-03 24.36 12.11 17.81 21.59 26.85 29.68 37.57 58.49 2022-12-04 23.90 12.36 17.99 21.30 26.74 29.76 39.35 51.00 2022-12-05 24.22 12.16 17.41 21.70 27.04 28.96 38.56 49.17 2022-12-06 25.12 11.36 17.42 21.91 27.04 28.47 41.52 48.68 2022-12-07 27.28 10.16 17.65 21.49 27.30 28.54 44.25 51.14 2022-12-08 25.10 9.95 17.02 22.16 27.66 29.07 43.97 57.81 2022-12-09 23.28 9.67 16.50 21.71 27.68 28.65 47.52 57.72 2022-12-10 23.61 11.73 17.16 21.88 27.77 28.57 47.31 57.23 2022-12-11 24.08 12.07 18.22 22.80 27.89 28.46 45.71 56.80 2022-12-12 23.57 11.88 18.22 22.70 28.25 29.12 44.70 56.41 2022-12-13 26.88 11.11 18.22 24.11 28.69 28.88 44.04 55.64 2022-12-14 30.98 9.60 18.04 24.32 28.79 29.67 44.06 55.19 2022-12-15 31.80 7.90 17.78 24.37 28.83 30.51 42.47 55.48 2022-12-16 30.61 6.88 16.55 25.04 28.98 30.72 42.05 54.60 2022-12-17 30.20 7.02 16.55 24.40 28.44 30.88 42.63 53.14 2022-12-18 29.54 5.07 17.22 23.64 27.96 30.53 44.66 52.33 2022-12-19 28.89 5.77 17.66 23.81 27.92 31.27 43.01 51.55 2022-12-20 27.30 6.25 19.78 23.38 27.98 31.77 41.20 53.06 2022-12-21 26.55 6.36 19.74 23.79 27.97 32.29 40.13 54.43 2022-12-22 26.79 5.12 19.58 24.28 28.15 31.65 39.41 54.86 2022-12-23 26.86 3.93 19.63 24.25 28.19 32.28 37.98 56.09 2022-12-24 24.92 2.41 18.83 24.50 28.22 33.06 37.64 55.84 2022-12-25 25.82 4.59 18.64 23.73 28.20 33.13 39.17 54.99 2022-12-26 33.37 5.09 18.05 23.55 27.96 32.61 38.57 54.56 2022-12-27 39.64 5.76 18.79 22.88 27.94 33.11 39.27 55.35 2022-12-28 45.35 7.14 20.05 23.38 27.60 31.77 37.73 54.88 2022-12-29 52.14 6.45 20.19 23.89 27.45 30.57 37.04 55.78 2022-12-30 58.43 5.65 20.40 24.57 27.63 30.34 37.29 56.37 2022-12-31 58.41 5.42 18.82 24.40 27.97 31.10 37.26 57.31 2023-01-01 58.22 5.89 17.85 24.31 27.91 30.87 36.72 55.46 2023-01-02 57.54 4.65 18.16 24.46 28.10 31.74 41.80 54.96 2023-01-03 57.73 4.85 17.38 24.07 28.03 29.67 45.49 54.97 2023-01-04 57.31 4.35 16.38 23.10 27.36 29.63 42.51 50.78 2023-01-05 56.01 5.14 16.27 23.03 27.24 29.95 42.29 49.56 2023-01-06 54.84 5.27 15.15 22.56 27.10 29.78 43.98 48.85 2023-01-07 55.10 6.52 15.18 21.83 27.00 29.47 44.09 49.58 2023-01-08 49.97 7.53 16.44 21.30 27.22 29.49 41.81 54.73 2023-01-09 46.64 10.62 16.70 22.01 27.53 30.99 40.12 55.31 2023-01-10 44.47 10.48 16.56 21.69 27.31 30.05 39.04 55.87 2023-01-11 42.08 9.48 16.98 21.37 27.12 30.13 39.12 54.79 2023-01-12 39.19 8.14 16.97 21.42 26.95 29.88 40.25 54.36 2023-01-13 41.16 6.43 15.93 23.33 26.95 30.57 38.41 53.00 2023-01-14 41.11 4.39 15.52 22.69 26.68 30.30 37.43 51.94 2023-01-15 40.29 4.35 14.35 21.97 26.57 30.56 38.56 50.98 2023-01-16 39.62 3.91 15.12 22.09 26.63 31.04 37.57 49.93 2023-01-17 38.43 3.59 14.46 21.20 26.61 30.87 40.66 50.81 2023-01-18 36.52 3.57 14.66 21.12 26.21 30.56 39.18 50.44 2023-01-19 35.28 3.42 14.20 21.19 26.03 30.39 37.74 50.08 2023-01-20 34.35 3.28 14.35 21.13 25.80 29.39 37.67 45.34 2023-01-21 33.55 3.32 14.88 21.18 25.73 29.41 37.91 49.75 2023-01-22 32.60 3.37 15.00 20.62 25.64 30.48 39.05 48.86 2023-01-23 30.87 3.54 15.29 20.27 25.24 31.06 35.97 47.42 2023-01-24 29.36 3.82 14.57 20.37 24.94 29.41 34.62 52.27 2023-01-25 28.20 4.13 14.28 19.80 24.75 28.49 34.06 51.54 2023-01-26 26.16 4.20 12.50 19.61 24.27 30.05 34.73 50.82 2023-01-27 24.00 4.31 11.20 19.57 23.86 30.24 35.56 50.01 2023-01-28 23.05 3.56 11.30 19.05 23.69 30.02 35.92 49.94 2023-01-29 22.01 4.08 10.75 18.41 23.46 28.43 35.93 54.92 2023-01-30 19.88 4.49 10.92 17.24 23.02 28.12 35.60 55.49 2023-01-31 18.33 7.21 10.40 16.44 22.94 29.46 36.44 56.33 2023-02-01 17.35 8.01 10.46 15.56 22.60 27.89 36.87 54.62 2023-02-02 16.36 7.88 11.30 17.08 22.69 25.64 35.60 54.90 2023-02-03 15.07 6.74 11.17 15.96 22.55 27.18 34.54 51.62 2023-02-04 14.88 5.64 11.18 15.44 22.73 28.14 36.08 55.51 2023-02-05 15.08 4.91 11.49 16.67 22.66 27.21 34.92 55.59 2023-02-06 15.18 4.10 11.48 17.18 22.59 27.40 33.67 55.23 2023-02-07 15.41 3.90 11.37 16.22 21.90 25.78 35.83 50.68 2023-02-08 15.82 3.76 10.95 16.10 21.30 25.62 32.87 49.14 2023-02-09 16.18 3.59 10.47 15.10 20.60 24.03 32.47 45.82 2023-02-10 16.46 2.99 9.42 14.80 19.85 24.69 30.31 40.85 2023-02-11 16.86 6.62 11.55 13.81 19.59 22.61 30.19 40.22 2023-02-12 17.19 6.93 11.75 14.58 19.67 22.07 29.86 43.65 2023-02-13 17.03 6.04 11.88 15.74 20.13 22.28 31.12 44.62 2023-02-14 16.82 5.04 12.68 15.99 20.71 22.02 32.81 45.09 2023-02-15 16.68 3.98 12.35 15.94 20.95 23.74 35.46 42.82 2023-02-16 16.32 2.28 11.95 15.81 21.20 24.84 34.33 47.62 2023-02-17 15.74 1.45 11.93 15.19 21.12 25.62 34.95 48.92 2023-02-18 15.46 1.67 11.93 14.40 20.53 24.96 32.22 47.49 2023-02-19 14.57 2.14 9.75 14.56 19.92 22.53 32.15 46.57 2023-02-20 13.37 2.19 9.27 14.60 19.63 22.14 29.60 52.07 2023-02-21 11.90 1.95 8.49 14.59 19.16 21.60 28.33 46.50 2023-02-22 10.50 2.95 9.54 14.49 19.26 22.01 31.00 46.79 2023-02-23 8.99 3.36 10.13 15.01 19.88 22.84 32.40 49.64 2023-02-24 7.87 3.59 9.64 14.17 20.24 22.84 33.44 49.34 2023-02-25 6.81 4.08 9.56 14.17 20.56 23.86 35.16 52.56 2023-02-26 5.93 4.51 8.29 14.65 20.87 23.73 38.94 55.34 2023-02-27 5.25 5.00 7.95 14.51 20.75 23.31 39.70 55.63 2023-02-28 4.54 4.98 8.27 13.82 20.05 22.81 37.37 53.59 2023-03-01 4.20 2.21 7.99 13.63 19.13 22.62 31.49 55.23 2023-03-02 3.85 1.59 7.29 13.54 18.54 21.51 28.44 57.32 2023-03-03 3.73 1.69 7.58 13.35 18.47 21.64 27.30 55.66 2023-03-04 3.43 0.87 7.27 12.92 18.23 20.67 26.70 52.83 2023-03-05 3.59 1.46 7.11 12.77 17.98 20.83 28.83 50.22 2023-03-06 3.45 1.96 6.72 12.38 17.77 20.66 29.89 48.96 2023-03-07 3.40 2.67 6.67 11.95 17.63 20.24 31.23 45.28 2023-03-08 11.78 3.35 5.84 11.03 16.81 19.19 26.81 42.36 2023-03-09 11.43 3.82 6.62 10.93 16.94 18.97 26.61 45.81 2023-03-10 18.52 3.30 7.38 11.48 17.19 19.58 26.46 46.24 2023-03-11 28.79 4.77 7.44 11.69 17.86 19.80 31.14 48.32 2023-03-12 32.03 4.66 6.94 11.67 18.56 20.58 33.68 52.93 2023-03-13 35.13 4.62 7.32 11.44 19.00 20.18 33.43 53.33 2023-03-14 47.05 3.53 7.12 10.66 19.03 21.52 34.41 54.31 2023-03-15 40.54 4.28 7.10 10.35 18.89 20.79 34.60 55.10 2023-03-16 30.59 3.06 6.99 10.63 18.46 20.72 32.33 53.87 2023-03-17 29.03 4.10 6.12 10.74 18.44 20.19 32.58 53.96 2023-03-18 26.34 4.43 7.60 11.04 18.28 20.59 31.83 53.48 2023-03-19 24.49 3.16 9.01 11.92 18.28 20.63 31.22 50.77 2023-03-20 23.14 1.96 8.63 11.34 18.59 20.93 34.87 50.11 2023-03-21 26.22 2.12 8.13 10.97 18.68 21.61 34.06 48.49 2023-03-22 34.90 2.17 7.50 11.06 18.01 20.12 30.39 48.51 2023-03-23 35.95 2.20 7.88 10.97 17.98 19.44 34.27 48.95 2023-03-24 36.29 2.21 7.78 11.02 17.77 17.88 35.40 48.82 2023-03-25 45.70 0.99 7.42 11.07 17.57 18.83 36.32 48.57 2023-03-26 41.76 1.57 7.14 11.21 17.77 19.15 35.29 48.45 2023-03-27 42.31 1.61 7.43 11.77 18.16 21.43 33.41 48.85 2023-03-28 38.01 1.37 7.74 11.06 18.14 20.65 34.19 52.59 2023-03-29 33.24 1.74 6.48 11.50 18.03 21.49 34.52 53.37 2023-03-30 29.22 1.94 6.37 10.48 17.79 20.89 35.77 51.97 2023-03-31 34.52 1.73 5.87 10.55 17.32 20.69 33.29 48.02 2023-04-01 28.33 1.94 5.49 9.96 16.67 19.22 33.97 46.17 2023-04-02 30.78 1.84 5.65 10.23 16.19 18.42 34.45 41.39 2023-04-03 36.17 1.87 4.96 10.63 16.19 18.23 33.30 44.17 2023-04-04 41.80 1.86 4.97 10.92 16.45 18.86 32.18 47.88 2023-04-05 47.88 1.80 6.53 11.51 17.00 18.69 33.24 50.30 2023-04-06 54.15 2.62 5.66 11.37 17.68 19.70 31.56 46.08 2023-04-07 57.45 2.63 5.80 11.37 18.33 24.01 31.95 45.37 2023-04-08 51.78 2.51 7.91 11.01 18.47 24.00 33.23 48.60 2023-04-09 51.68 0.79 5.83 12.53 18.66 24.34 32.36 53.77 2023-04-10 51.82 0.75 5.54 12.05 18.61 24.58 32.40 57.51 2023-04-11 43.00 0.69 5.41 11.32 18.36 25.68 32.06 56.17 2023-04-12 34.25 0.67 5.52 9.93 18.32 23.78 32.16 55.21 2023-04-13 32.25 0.60 5.93 10.16 18.70 22.25 32.88 54.15 2023-04-14 25.02 0.53 5.39 9.01 18.34 22.11 33.14 52.34 2023-04-15 18.90 0.52 5.20 9.01 18.26 24.52 34.45 53.23 2023-04-16 19.20 0.52 5.20 8.63 17.64 20.90 34.22 53.68 2023-04-17 26.44 0.52 5.43 7.95 17.65 21.72 34.42 51.44 2023-04-18 -9999.0 0.47 4.50 7.98 16.85 23.11 33.83 52.09 2023-04-19 28.10 2.39 4.70 8.00 16.53 22.33 31.54 50.76 2023-04-20 25.54 2.43 4.43 9.43 16.34 21.25 29.90 48.14 2023-04-21 26.22 2.43 5.49 9.44 17.34 22.41 31.09 47.12 2023-04-22 34.11 2.31 5.52 9.63 16.64 21.23 30.70 47.20 2023-04-23 28.13 1.29 5.58 8.75 16.72 22.20 31.62 43.15 2023-04-24 30.50 1.96 6.95 9.29 17.05 21.36 32.50 47.91 2023-04-25 40.84 1.53 6.51 8.47 16.61 22.44 31.46 47.56 2023-04-26 46.39 1.46 5.02 8.17 16.36 19.56 33.51 47.11 2023-04-27 38.95 0.69 3.26 7.75 16.50 23.01 33.22 45.26 2023-04-28 43.06 0.66 3.57 7.70 16.44 22.04 32.11 41.53 2023-04-29 47.29 0.52 3.84 6.88 16.07 22.62 30.57 42.35 2023-04-30 45.84 0.56 3.30 5.89 14.86 20.04 30.07 45.68