Name: NH Vortex Area Units: million km!U2!N Level: 460 K Source: MERRA2 (Data starting 2024-04-01 are from GEOS FP) Missing: -9999.0 Climatology: 1978/1979 to 2022/2023 Date Data Minimum 10% 30% Mean 70% 90% Maximum 2023-10-01 21.44 4.89 10.91 14.88 20.38 24.19 32.84 41.12 2023-10-02 22.41 7.03 10.60 16.56 19.77 22.41 28.86 35.59 2023-10-03 22.24 5.56 11.38 15.84 20.14 23.20 32.71 40.45 2023-10-04 21.26 6.15 10.86 16.18 20.72 23.84 32.60 38.38 2023-10-05 21.75 6.64 11.44 15.54 20.25 24.66 32.15 35.43 2023-10-06 22.14 4.34 11.70 16.45 21.67 24.41 34.37 48.84 2023-10-07 22.42 3.69 10.69 15.85 21.85 26.09 31.68 41.94 2023-10-08 22.72 5.46 9.88 16.76 21.58 27.00 29.79 44.76 2023-10-09 23.71 5.92 11.53 16.13 20.68 25.23 28.42 42.48 2023-10-10 22.61 7.86 13.07 16.32 21.14 25.05 31.58 37.40 2023-10-11 21.38 8.21 10.85 16.59 20.59 23.92 32.44 35.91 2023-10-12 20.45 8.01 11.48 15.52 20.26 22.90 30.62 36.76 2023-10-13 18.49 6.74 11.37 14.04 19.68 23.89 29.21 36.82 2023-10-14 17.15 8.63 11.09 15.62 19.99 23.68 31.51 36.35 2023-10-15 16.90 7.27 10.12 15.29 19.83 22.51 30.53 40.91 2023-10-16 16.38 6.53 10.44 16.42 19.52 22.09 28.93 36.85 2023-10-17 15.82 7.20 9.79 15.32 19.74 23.27 30.28 44.48 2023-10-18 16.82 5.26 9.24 14.20 19.34 21.68 32.72 39.33 2023-10-19 16.80 5.57 9.45 14.76 19.52 22.97 32.77 40.07 2023-10-20 16.96 6.33 8.36 14.96 19.49 22.98 31.58 43.85 2023-10-21 19.09 6.15 8.83 14.67 19.29 22.51 30.40 43.42 2023-10-22 20.14 5.25 9.94 15.81 19.67 23.24 29.88 41.39 2023-10-23 20.75 6.11 11.82 15.36 19.69 22.20 30.40 40.70 2023-10-24 21.26 7.72 11.38 15.54 19.35 21.60 28.40 36.93 2023-10-25 21.64 7.28 11.10 15.08 19.17 22.03 30.07 35.23 2023-10-26 20.21 7.66 11.02 15.15 19.16 24.24 29.07 32.72 2023-10-27 21.15 6.26 12.15 14.68 18.80 22.56 27.21 31.50 2023-10-28 21.67 6.22 12.67 14.69 18.34 21.63 27.56 30.17 2023-10-29 22.44 6.57 10.97 14.88 18.62 20.86 28.52 34.00 2023-10-30 23.43 7.01 9.61 14.65 18.41 21.18 27.51 39.89 2023-10-31 24.39 6.65 9.23 14.60 18.13 20.58 26.67 44.55 2023-11-01 24.34 5.92 9.36 14.96 18.00 21.36 25.71 43.85 2023-11-02 24.63 5.66 9.15 14.23 17.60 20.16 25.91 39.78 2023-11-03 24.44 4.76 9.06 13.88 17.01 19.71 25.27 30.38 2023-11-04 23.45 5.01 9.82 13.17 16.64 19.95 23.90 30.34 2023-11-05 23.38 4.65 10.46 13.87 16.43 19.22 22.63 28.66 2023-11-06 23.37 6.14 11.34 13.06 16.53 18.72 22.97 28.29 2023-11-07 24.58 7.45 11.11 14.41 16.74 18.77 23.06 32.58 2023-11-08 26.41 8.49 11.59 13.87 16.97 18.61 23.73 34.91 2023-11-09 26.81 7.58 11.54 13.90 17.23 18.98 23.81 33.50 2023-11-10 26.26 6.15 11.10 14.40 17.48 19.82 24.74 29.33 2023-11-11 25.35 7.77 11.45 14.17 17.71 20.86 25.13 28.67 2023-11-12 23.29 5.47 11.25 14.19 17.70 20.54 24.73 29.75 2023-11-13 21.40 7.24 11.18 14.71 17.86 20.93 24.71 29.94 2023-11-14 23.72 8.35 11.48 14.97 18.03 21.69 24.58 27.85 2023-11-15 26.53 7.91 11.31 15.11 18.03 21.17 23.84 27.87 2023-11-16 29.29 7.76 11.39 14.70 17.97 21.80 24.07 25.90 2023-11-17 32.79 6.90 11.31 15.08 18.13 21.93 24.84 26.40 2023-11-18 35.66 4.81 11.52 14.78 18.31 22.43 25.22 29.92 2023-11-19 35.25 4.78 11.02 14.11 18.43 22.49 25.51 31.93 2023-11-20 34.47 4.71 11.27 14.50 18.61 23.29 25.80 36.36 2023-11-21 34.08 4.67 11.48 15.04 18.89 23.60 27.20 36.69 2023-11-22 33.24 5.07 11.78 14.12 19.28 22.78 28.99 36.24 2023-11-23 32.11 5.32 11.94 15.08 19.31 22.40 28.71 34.03 2023-11-24 32.00 5.42 12.06 15.62 19.25 23.04 28.97 32.97 2023-11-25 32.20 5.19 11.43 15.74 19.36 23.22 28.91 35.40 2023-11-26 31.50 7.24 11.49 15.69 19.42 23.73 28.98 34.26 2023-11-27 30.73 7.40 11.99 15.94 19.70 22.97 28.51 34.23 2023-11-28 30.53 7.72 11.88 16.27 20.19 24.27 28.31 33.97 2023-11-29 31.57 8.14 12.47 16.61 20.59 23.74 28.22 33.90 2023-11-30 32.02 8.47 12.55 18.03 21.22 24.65 30.68 33.91 2023-12-01 33.13 8.64 12.73 18.89 21.64 25.54 31.14 35.30 2023-12-02 34.00 8.84 13.04 18.24 21.98 25.52 31.22 34.60 2023-12-03 34.78 8.71 13.38 19.04 22.19 25.64 31.07 34.51 2023-12-04 33.73 8.74 13.74 18.48 22.50 26.13 32.31 37.08 2023-12-05 32.94 8.58 14.11 18.78 22.59 25.30 32.76 35.83 2023-12-06 32.29 8.50 14.54 18.37 22.71 25.62 33.04 35.84 2023-12-07 31.90 8.66 14.24 18.54 22.72 25.67 31.40 35.72 2023-12-08 31.94 8.36 13.86 19.64 22.71 25.55 31.80 35.53 2023-12-09 32.41 8.05 14.30 20.75 22.70 25.72 30.99 33.85 2023-12-10 32.79 7.75 14.69 20.19 22.55 25.28 29.56 33.45 2023-12-11 32.64 7.36 13.93 19.61 22.40 25.67 29.32 33.28 2023-12-12 32.60 6.86 13.36 19.79 22.26 25.54 30.22 34.12 2023-12-13 32.51 6.96 13.56 19.32 22.36 26.12 30.99 34.40 2023-12-14 32.62 6.95 13.61 19.35 22.59 26.09 31.09 34.97 2023-12-15 32.23 6.95 13.17 19.80 22.88 26.68 29.78 36.09 2023-12-16 32.19 8.11 12.81 19.70 22.93 26.69 30.24 35.75 2023-12-17 32.25 6.06 12.29 19.91 23.02 26.47 29.95 36.77 2023-12-18 31.78 5.02 12.61 20.20 22.68 26.19 29.66 37.70 2023-12-19 30.89 5.38 13.23 20.21 22.30 26.11 28.71 38.47 2023-12-20 30.04 5.59 13.32 19.78 21.96 25.18 28.37 38.93 2023-12-21 30.94 5.96 14.37 20.18 22.00 25.66 28.13 36.27 2023-12-22 28.94 11.01 15.05 19.79 22.24 25.67 27.99 33.24 2023-12-23 30.09 12.81 16.80 20.13 22.59 25.94 27.62 32.67 2023-12-24 29.65 14.45 17.10 20.22 23.02 25.83 28.73 32.04 2023-12-25 29.66 14.70 17.09 20.77 23.32 25.63 29.02 31.40 2023-12-26 28.01 14.70 17.02 20.67 23.51 27.00 29.20 32.63 2023-12-27 28.66 15.27 16.16 20.92 23.37 26.38 29.49 32.89 2023-12-28 26.67 15.50 16.65 20.77 23.48 26.26 30.27 33.32 2023-12-29 26.70 14.97 17.03 20.43 23.31 25.32 29.69 33.93 2023-12-30 26.57 12.67 16.68 20.00 23.04 25.42 29.03 35.11 2023-12-31 27.05 10.26 16.69 21.12 22.96 25.22 28.84 34.18 2024-01-01 27.09 7.74 16.23 22.46 23.24 25.37 28.93 33.22 2024-01-02 26.77 7.47 15.41 21.77 23.28 25.66 28.93 31.01 2024-01-03 25.86 7.26 16.35 22.31 23.36 26.15 29.68 30.72 2024-01-04 24.89 7.04 16.30 22.00 23.54 26.21 30.12 35.22 2024-01-05 23.05 6.85 17.65 22.33 23.81 26.50 30.65 37.67 2024-01-06 21.37 6.69 17.57 21.94 23.73 26.00 30.66 37.16 2024-01-07 20.70 6.63 17.33 22.14 23.67 25.98 29.94 36.58 2024-01-08 20.82 8.42 16.68 21.63 23.57 25.72 29.36 35.93 2024-01-09 20.42 10.28 17.61 21.31 23.64 26.23 29.24 36.29 2024-01-10 20.18 10.69 17.64 21.03 23.68 26.16 28.89 36.60 2024-01-11 21.23 10.60 18.34 21.36 23.76 26.19 28.87 33.77 2024-01-12 21.57 10.33 18.31 21.17 23.66 26.16 28.71 33.09 2024-01-13 20.87 8.55 18.25 21.32 23.69 26.42 29.36 36.37 2024-01-14 21.23 8.65 18.23 20.93 23.63 26.05 29.52 35.68 2024-01-15 20.77 8.72 18.05 21.41 23.36 25.45 29.54 36.67 2024-01-16 19.62 8.71 18.04 21.07 23.08 25.43 29.73 37.01 2024-01-17 19.23 8.71 17.52 20.42 23.06 26.41 29.74 37.01 2024-01-18 19.61 10.35 17.13 20.60 23.20 26.67 30.12 34.05 2024-01-19 19.37 9.86 17.25 20.58 23.25 26.74 30.82 33.05 2024-01-20 19.95 9.80 17.74 20.23 23.12 25.98 30.06 33.35 2024-01-21 20.62 9.65 15.92 20.40 23.28 26.60 29.84 35.11 2024-01-22 19.95 9.89 16.07 20.32 23.66 27.18 30.26 33.89 2024-01-23 19.21 9.47 16.35 20.18 23.70 26.93 30.69 33.13 2024-01-24 19.67 7.18 16.53 20.57 23.49 27.12 30.27 33.46 2024-01-25 20.10 7.43 17.77 21.30 23.54 26.69 29.49 34.51 2024-01-26 20.15 8.97 16.96 21.08 23.33 26.19 29.96 35.06 2024-01-27 20.74 9.63 15.49 20.35 22.61 25.28 28.59 35.01 2024-01-28 21.43 10.37 13.91 19.62 22.14 25.22 27.98 34.94 2024-01-29 21.20 9.67 15.26 19.69 21.85 24.55 27.80 37.37 2024-01-30 21.57 8.91 14.39 19.80 21.58 24.52 27.51 37.26 2024-01-31 21.55 6.81 14.89 19.04 21.46 24.74 27.03 36.90 2024-02-01 21.63 4.38 14.81 18.88 21.44 24.75 26.97 36.60 2024-02-02 21.42 4.28 14.36 18.68 21.19 24.60 27.97 36.62 2024-02-03 21.27 4.56 13.98 18.08 21.19 24.65 28.13 37.00 2024-02-04 20.74 4.09 12.92 18.03 21.11 24.75 29.39 37.10 2024-02-05 20.76 4.07 11.73 17.61 20.86 24.72 29.67 35.78 2024-02-06 20.80 3.72 10.98 17.23 20.66 24.73 29.59 38.27 2024-02-07 20.88 3.66 10.18 17.91 20.78 24.96 29.63 37.82 2024-02-08 20.67 3.52 9.53 17.77 20.64 24.79 28.28 37.75 2024-02-09 20.23 3.49 9.56 18.10 20.49 24.65 28.09 37.65 2024-02-10 19.90 3.39 10.26 18.04 20.39 24.12 27.83 37.37 2024-02-11 19.63 3.25 10.25 18.14 20.21 23.47 29.25 35.14 2024-02-12 19.37 2.79 9.17 17.42 19.99 23.48 29.02 34.77 2024-02-13 19.14 2.59 9.71 17.01 19.78 23.56 28.75 36.81 2024-02-14 19.04 2.37 9.68 16.94 19.57 23.43 28.59 37.36 2024-02-15 19.00 2.26 10.68 16.69 19.63 23.55 27.68 37.52 2024-02-16 18.77 2.03 11.43 17.08 19.66 23.17 27.04 37.44 2024-02-17 18.39 1.99 10.99 17.05 19.45 22.91 26.93 37.04 2024-02-18 18.30 1.86 10.56 16.54 19.33 22.92 28.40 36.79 2024-02-19 18.52 2.01 9.96 16.06 19.17 22.18 28.76 39.74 2024-02-20 17.86 2.04 9.83 16.52 19.06 22.53 28.49 38.93 2024-02-21 18.54 2.18 9.29 16.18 18.72 21.70 28.95 38.36 2024-02-22 19.66 2.19 9.20 16.31 18.82 22.58 28.91 39.41 2024-02-23 20.46 2.13 9.63 16.26 18.99 22.73 28.95 40.93 2024-02-24 20.14 2.20 8.99 16.23 18.98 22.10 28.39 39.37 2024-02-25 20.79 2.43 8.94 15.49 18.97 23.01 29.19 38.98 2024-02-26 21.14 2.50 8.70 14.95 19.04 23.18 28.47 38.33 2024-02-27 19.53 2.24 8.53 15.22 18.98 23.00 28.71 46.36 2024-02-28 18.12 2.04 8.72 14.22 18.66 22.85 28.33 45.83 2024-03-01 16.55 1.77 8.42 13.82 18.34 22.40 27.98 44.58 2024-03-02 14.92 1.86 8.29 14.10 18.04 21.91 27.71 43.12 2024-03-03 16.46 1.70 8.47 13.91 17.74 21.68 26.48 41.45 2024-03-04 15.30 1.83 9.05 14.05 17.63 21.50 25.97 36.96 2024-03-05 14.04 1.94 9.09 13.87 17.48 21.69 26.37 33.01 2024-03-06 12.79 2.02 9.29 13.70 17.32 21.88 25.24 30.02 2024-03-07 10.84 1.62 8.98 13.47 17.16 21.19 24.15 29.87 2024-03-08 7.50 1.66 8.91 13.71 17.10 21.77 24.44 29.70 2024-03-09 6.92 2.48 8.38 12.51 16.96 21.56 25.56 30.79 2024-03-10 6.36 2.39 7.84 12.25 16.62 21.06 25.04 29.41 2024-03-11 5.40 2.29 8.00 12.56 16.30 20.20 25.09 30.05 2024-03-12 5.00 2.31 8.38 12.62 16.09 20.17 25.29 30.19 2024-03-13 4.64 2.24 8.30 12.55 15.76 19.31 24.32 29.96 2024-03-14 4.22 1.46 8.62 11.91 15.60 19.39 24.34 29.31 2024-03-15 3.78 1.45 8.36 12.02 15.53 19.56 25.26 28.44 2024-03-16 3.48 1.57 8.03 12.08 15.46 19.26 24.68 28.19 2024-03-17 5.35 1.43 8.42 11.78 15.25 18.80 24.63 28.29 2024-03-18 6.90 1.41 8.56 11.45 15.02 18.58 23.75 30.21 2024-03-19 8.21 1.31 7.06 9.59 14.70 18.52 23.95 32.97 2024-03-20 10.27 1.27 7.00 9.60 14.61 18.74 24.58 31.53 2024-03-21 10.88 1.23 6.09 9.84 14.56 17.95 25.03 32.12 2024-03-22 9.31 1.31 5.95 9.98 14.50 18.95 23.69 32.54 2024-03-23 8.35 1.53 5.81 9.47 14.39 18.33 23.30 32.21 2024-03-24 8.62 1.45 5.91 9.56 14.33 17.10 24.52 32.94 2024-03-25 6.37 1.36 5.30 9.86 14.31 17.59 24.46 39.13 2024-03-26 6.45 1.29 5.40 10.04 14.01 17.05 24.80 33.75 2024-03-27 6.52 1.26 5.31 10.09 13.84 15.33 25.00 33.48 2024-03-28 5.59 1.16 5.34 9.44 13.68 15.12 25.19 37.76 2024-03-29 5.43 1.44 5.22 9.27 13.71 16.42 25.16 37.74 2024-03-30 5.87 1.47 4.87 8.96 13.56 16.56 24.89 35.40 2024-03-31 15.12 1.59 4.89 8.51 13.52 17.05 24.64 38.34 2024-04-01 25.36 1.38 4.86 8.19 13.34 16.73 24.14 39.07 2024-04-02 35.84 1.24 4.59 8.28 13.32 16.18 24.20 42.09 2024-04-03 39.17 3.28 4.90 8.64 13.29 16.36 23.58 38.92 2024-04-04 47.90 3.09 4.88 8.02 13.09 15.97 22.63 34.94 2024-04-05 48.46 3.56 4.83 7.98 13.08 16.38 21.21 33.32 2024-04-06 43.65 3.04 4.50 7.96 13.13 16.77 23.41 30.23 2024-04-07 44.37 2.80 4.19 7.60 13.19 16.79 25.63 32.16 2024-04-08 39.03 2.27 4.45 7.13 13.05 16.53 25.32 34.41 2024-04-09 37.46 2.80 4.43 7.07 13.02 16.13 24.38 32.63 2024-04-10 34.15 3.83 4.70 7.00 12.87 15.74 25.50 31.27 2024-04-11 34.62 3.54 4.58 8.08 12.92 15.85 24.73 30.48 2024-04-12 29.72 3.78 4.76 8.24 12.79 14.58 23.28 34.02 2024-04-13 37.17 3.67 4.46 8.62 12.89 15.65 21.48 38.74 2024-04-14 35.58 3.04 4.46 9.24 13.15 15.58 21.35 37.05 2024-04-15 32.67 2.63 4.14 8.29 13.10 14.95 24.34 39.94 2024-04-16 31.58 2.16 3.94 7.70 13.25 15.22 24.99 47.06 2024-04-17 34.36 1.55 3.95 7.93 13.83 16.41 25.29 52.24 2024-04-18 35.25 0.70 3.84 6.86 13.91 16.81 27.16 52.35 2024-04-19 -9999.0 0.59 3.72 6.81 13.80 16.04 27.60 53.90 2024-04-20 37.14 0.53 3.67 7.02 14.10 15.19 27.68 52.27 2024-04-21 34.75 0.36 3.80 6.72 14.24 14.35 27.88 49.54 2024-04-22 39.27 1.07 3.68 7.28 13.99 14.50 31.12 47.40 2024-04-23 32.54 1.69 3.58 7.15 13.94 14.68 31.64 48.46 2024-04-24 26.68 3.10 3.55 7.77 14.04 14.36 30.65 47.87 2024-04-25 21.50 3.05 3.85 7.49 14.33 16.76 30.45 44.33 2024-04-26 19.91 2.89 3.99 7.36 14.58 16.57 31.37 45.46 2024-04-27 11.69 0.71 3.84 8.19 14.75 15.62 32.71 53.37 2024-04-28 11.51 0.74 4.21 7.31 15.19 17.20 31.79 50.28 2024-04-29 10.41 2.70 4.65 7.37 16.16 20.19 32.99 44.79 2024-04-30 8.34 2.17 3.71 6.91 14.99 19.99 33.01 39.24