Name: NH Vortex Area Units: million km!U2!N Level: 360 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 1.39 0.34 12.43 26.26 34.42 45.95 50.09 55.00 2023-10-02 1.41 1.96 17.35 26.50 34.85 45.48 50.23 53.71 2023-10-03 12.96 0.31 12.74 23.90 33.39 46.79 50.78 52.35 2023-10-04 13.01 0.33 12.41 27.62 32.95 44.43 49.98 51.96 2023-10-05 11.84 0.81 10.94 24.38 32.85 43.83 51.00 54.04 2023-10-06 11.83 3.64 12.79 23.34 33.09 42.99 51.61 54.79 2023-10-07 23.41 0.13 12.80 23.85 34.39 44.67 54.24 59.87 2023-10-08 -9999.0 0.55 8.70 30.14 35.06 43.86 54.06 57.16 2023-10-09 -9999.0 0.89 14.63 29.18 36.16 48.97 54.43 55.99 2023-10-10 23.31 1.07 13.68 31.66 36.81 48.39 53.50 58.20 2023-10-11 -9999.0 5.24 13.36 34.10 37.83 48.48 54.25 58.59 2023-10-12 32.90 1.08 10.56 36.58 37.84 48.67 53.91 56.36 2023-10-13 40.84 1.73 14.78 32.79 36.60 45.21 52.21 54.25 2023-10-14 48.31 7.72 18.39 28.73 36.34 44.94 53.17 55.38 2023-10-15 44.05 4.60 13.28 32.04 35.36 44.39 48.78 55.98 2023-10-16 39.54 0.65 9.97 30.65 34.81 43.54 46.79 55.55 2023-10-17 37.30 0.47 8.28 28.40 32.91 42.73 47.77 53.96 2023-10-18 41.49 5.39 9.13 31.31 34.47 45.30 50.30 55.51 2023-10-19 38.71 0.23 7.65 27.44 31.61 44.00 48.70 55.11 2023-10-20 39.15 0.26 7.51 25.65 32.02 42.65 47.57 57.48 2023-10-21 40.37 0.32 10.23 28.92 32.68 41.05 51.20 57.28 2023-10-22 42.18 2.14 15.47 24.74 33.55 43.29 53.01 57.90 2023-10-23 32.96 1.76 12.18 24.49 32.25 41.71 50.56 56.96 2023-10-24 31.34 4.56 13.51 22.23 32.93 43.14 52.93 56.70 2023-10-25 24.92 7.40 11.41 24.79 32.63 42.16 51.75 55.12 2023-10-26 18.23 5.91 12.40 21.66 30.66 38.59 47.88 54.11 2023-10-27 9.02 6.66 12.41 26.61 31.10 37.18 49.69 55.79 2023-10-28 13.10 1.46 16.28 23.54 32.36 41.24 49.65 55.90 2023-10-29 10.05 2.06 12.27 26.70 32.66 41.61 50.34 54.85 2023-10-30 14.40 0.26 16.24 29.04 33.68 41.67 52.14 55.00 2023-10-31 12.86 0.26 16.83 27.63 32.98 39.77 48.27 54.66 2023-11-01 12.86 1.92 21.16 26.66 33.63 38.97 50.43 56.01 2023-11-02 5.91 2.15 15.14 23.67 31.32 39.36 49.08 56.07 2023-11-03 9.64 2.04 16.89 28.34 32.98 39.16 48.62 50.66 2023-11-04 3.93 2.02 21.67 26.05 32.99 39.81 48.49 52.78 2023-11-05 5.54 7.60 16.20 27.09 32.82 38.79 48.56 52.17 2023-11-06 5.89 7.63 18.23 31.88 35.37 41.70 50.01 55.71 2023-11-07 5.82 5.21 15.97 27.98 33.77 42.19 50.69 54.93 2023-11-08 2.55 3.95 14.07 28.22 34.12 43.04 48.60 53.92 2023-11-09 2.60 6.94 17.15 26.38 33.03 42.28 47.94 53.51 2023-11-10 1.79 6.12 13.88 27.23 32.46 40.98 48.37 53.71 2023-11-11 13.55 2.38 18.58 24.69 33.19 41.64 48.59 59.09 2023-11-12 17.10 2.42 16.85 26.65 33.91 42.08 49.59 52.65 2023-11-13 -9999.0 2.40 15.67 27.86 34.00 41.85 50.24 56.23 2023-11-14 20.83 2.29 16.86 29.53 33.52 41.38 49.28 51.88 2023-11-15 27.76 9.00 14.29 28.23 33.45 41.76 47.84 53.13 2023-11-16 27.73 7.21 12.61 25.72 32.11 40.01 46.54 55.35 2023-11-17 22.65 4.18 17.51 26.67 32.14 40.77 45.78 56.41 2023-11-18 19.11 4.14 12.08 25.81 30.66 39.66 44.70 56.46 2023-11-19 20.60 4.96 12.35 26.00 31.05 37.10 46.26 54.97 2023-11-20 20.14 9.31 13.39 26.46 30.66 36.52 43.95 52.56 2023-11-21 26.44 9.46 16.73 27.39 31.55 37.21 42.96 53.86 2023-11-22 19.84 4.12 16.43 27.78 30.53 34.84 44.83 51.83 2023-11-23 27.86 1.15 12.43 25.42 29.13 35.04 39.90 53.44 2023-11-24 29.65 1.19 12.34 24.57 29.02 37.15 44.67 52.40 2023-11-25 23.79 3.88 13.85 23.66 29.22 34.96 44.02 50.80 2023-11-26 28.78 5.21 14.29 25.19 29.52 35.11 44.01 47.52 2023-11-27 36.23 3.72 18.79 24.95 31.19 38.56 45.12 48.94 2023-11-28 28.59 3.49 16.08 24.31 30.48 37.60 42.59 45.73 2023-11-29 21.17 3.82 18.06 25.58 31.13 37.94 42.85 51.62 2023-11-30 20.63 9.42 20.04 26.21 31.68 36.91 45.09 56.56 2023-12-01 8.59 9.30 21.52 26.87 31.90 37.90 42.47 56.12 2023-12-02 4.81 7.18 19.95 25.66 32.06 37.65 44.60 51.08 2023-12-03 10.73 6.31 20.13 25.46 32.78 40.41 45.33 48.23 2023-12-04 11.69 11.89 15.54 23.67 31.29 38.98 43.85 48.48 2023-12-05 15.15 8.33 13.36 23.46 30.94 39.08 45.83 50.00 2023-12-06 15.16 4.58 13.51 24.79 30.57 38.27 43.32 51.45 2023-12-07 23.18 10.68 16.57 26.12 31.25 37.45 43.43 50.34 2023-12-08 26.05 7.27 18.60 25.51 30.84 37.00 45.75 48.54 2023-12-09 30.01 5.85 17.86 25.51 30.06 35.42 43.60 49.31 2023-12-10 29.96 3.21 16.62 24.79 29.73 36.83 42.31 53.68 2023-12-11 40.11 2.00 13.76 25.93 30.12 36.27 43.83 52.32 2023-12-12 36.77 2.59 10.94 25.54 29.11 36.59 43.40 50.02 2023-12-13 -9999.0 2.52 10.35 24.94 29.19 37.36 44.90 52.08 2023-12-14 27.74 2.56 10.40 23.88 30.02 39.52 45.96 52.77 2023-12-15 33.72 6.82 10.29 27.22 31.36 38.83 45.52 54.49 2023-12-16 40.12 5.84 16.02 27.44 32.24 37.87 47.84 54.12 2023-12-17 41.02 6.36 16.52 25.93 31.89 37.51 47.76 52.91 2023-12-18 44.43 5.41 18.66 29.64 33.65 38.73 47.72 53.84 2023-12-19 55.54 2.57 21.41 26.98 32.91 41.23 46.72 52.55 2023-12-20 53.91 2.88 20.48 27.32 32.88 39.00 47.54 53.43 2023-12-21 44.00 0.54 16.25 29.06 32.96 38.69 47.28 52.27 2023-12-22 36.45 2.86 17.01 27.91 33.03 40.52 47.38 52.87 2023-12-23 25.62 3.99 15.49 24.58 31.82 39.28 46.95 55.54 2023-12-24 26.27 5.83 16.35 27.57 32.72 40.47 46.36 54.58 2023-12-25 24.99 3.93 16.57 24.63 32.21 40.77 45.40 50.56 2023-12-26 -9999.0 8.30 18.94 23.88 31.79 39.62 44.45 52.30 2023-12-27 34.59 3.65 14.04 23.36 30.85 39.61 45.53 50.65 2023-12-28 42.69 3.97 15.41 26.38 31.52 38.39 46.62 48.78 2023-12-29 52.19 4.40 17.73 25.76 31.14 37.51 45.02 52.64 2023-12-30 49.22 4.17 17.03 24.56 31.11 37.84 46.01 53.36 2023-12-31 50.66 0.64 19.29 25.70 31.21 37.72 45.61 53.39 2024-01-01 51.32 0.80 17.01 25.88 30.75 37.55 43.67 55.11 2024-01-02 49.77 0.95 15.42 28.29 30.85 38.32 43.74 48.50 2024-01-03 46.49 11.70 17.61 27.61 32.15 38.63 45.75 49.77 2024-01-04 45.11 10.73 17.67 26.94 32.37 39.77 44.24 49.49 2024-01-05 42.86 9.30 15.71 27.06 32.81 38.92 44.43 52.15 2024-01-06 41.50 8.25 19.18 28.35 33.51 40.16 46.49 53.11 2024-01-07 41.97 9.16 20.86 24.74 33.89 40.37 48.56 55.79 2024-01-08 42.16 11.76 20.37 24.49 33.07 39.75 46.81 55.37 2024-01-09 41.87 15.52 18.95 25.98 33.82 41.02 45.95 55.78 2024-01-10 44.73 13.87 19.01 24.51 33.69 41.45 46.25 56.10 2024-01-11 45.65 13.01 19.69 24.13 33.52 41.91 47.49 54.91 2024-01-12 42.24 10.55 18.66 24.89 32.87 39.38 48.82 55.49 2024-01-13 40.54 12.07 17.19 25.71 32.96 39.87 47.05 54.22 2024-01-14 37.94 11.79 16.92 26.38 32.34 38.07 45.23 54.04 2024-01-15 33.92 9.57 17.64 27.49 32.23 36.99 45.77 53.98 2024-01-16 25.07 7.30 16.65 26.64 32.08 36.59 44.78 53.86 2024-01-17 19.22 5.05 17.63 28.78 31.85 36.40 44.94 52.67 2024-01-18 15.59 3.73 18.84 26.88 31.91 38.81 44.45 53.96 2024-01-19 12.95 4.79 17.76 27.27 32.27 40.61 44.12 52.65 2024-01-20 10.78 10.67 19.47 26.57 32.32 38.65 43.20 52.80 2024-01-21 16.49 10.58 18.97 26.53 31.89 38.45 45.49 48.72 2024-01-22 15.68 12.40 19.32 26.62 32.58 38.03 46.08 49.30 2024-01-23 20.77 9.76 19.37 26.70 32.11 38.43 44.61 50.63 2024-01-24 21.59 7.80 21.43 25.74 31.70 38.00 44.39 49.60 2024-01-25 21.20 5.84 21.68 26.24 31.66 38.22 42.56 50.88 2024-01-26 19.61 8.29 21.40 28.20 32.88 39.50 46.78 49.69 2024-01-27 27.39 9.97 20.10 28.78 32.93 38.46 46.75 49.90 2024-01-28 23.64 11.87 20.82 28.61 33.23 38.61 48.38 55.78 2024-01-29 25.46 8.34 21.60 29.11 33.55 36.67 47.86 51.62 2024-01-30 25.04 13.88 20.00 27.58 33.18 37.11 47.32 50.18 2024-01-31 31.87 13.49 18.84 23.89 31.60 36.92 48.24 51.90 2024-02-01 34.29 13.36 18.92 23.77 31.42 37.66 47.92 53.42 2024-02-02 41.51 4.74 18.10 23.32 30.86 37.80 45.93 54.27 2024-02-03 42.28 3.88 16.34 22.73 29.71 34.58 45.02 54.92 2024-02-04 50.74 3.95 14.86 23.04 29.47 34.90 44.43 54.47 2024-02-05 48.85 4.04 15.63 25.08 29.83 33.79 45.11 51.27 2024-02-06 45.12 4.43 14.58 25.84 29.04 33.32 43.74 51.35 2024-02-07 40.69 4.73 13.71 26.77 29.42 34.65 44.39 50.21 2024-02-08 44.36 5.12 16.84 25.26 29.62 35.05 44.95 49.12 2024-02-09 37.11 3.62 18.21 24.61 29.82 36.35 45.44 48.87 2024-02-10 35.13 1.87 17.92 23.61 29.92 37.76 44.21 49.52 2024-02-11 36.69 2.43 11.55 24.41 30.39 39.22 44.21 49.11 2024-02-12 36.60 3.08 14.64 25.68 30.56 37.46 44.80 52.81 2024-02-13 35.33 3.00 16.93 25.08 30.39 37.44 43.75 53.44 2024-02-14 39.26 3.21 17.88 25.09 29.67 34.68 43.44 55.20 2024-02-15 37.91 3.45 17.90 23.56 29.53 35.84 41.57 52.09 2024-02-16 36.15 2.25 11.67 21.65 29.01 36.31 41.81 53.14 2024-02-17 36.81 1.59 12.84 20.82 28.13 35.38 42.65 51.48 2024-02-18 35.18 2.24 12.37 20.07 27.84 36.99 43.61 50.18 2024-02-19 33.93 2.10 9.81 20.57 28.09 37.93 43.10 49.45 2024-02-20 32.22 1.70 9.94 20.72 27.24 35.40 42.62 48.28 2024-02-21 37.50 1.72 8.68 20.39 26.25 31.66 40.38 51.08 2024-02-22 37.48 1.65 7.78 19.23 25.31 30.59 40.02 48.76 2024-02-23 40.21 2.46 6.79 20.63 25.34 30.87 40.80 48.60 2024-02-24 34.63 2.98 6.61 18.03 24.71 31.12 42.59 48.42 2024-02-25 36.62 1.93 7.41 18.25 25.02 31.10 44.01 48.96 2024-02-26 30.51 1.00 6.27 17.51 24.71 30.45 43.45 49.69 2024-02-27 28.44 1.40 5.77 17.50 24.66 30.96 43.39 49.09 2024-02-28 24.22 2.21 5.68 18.66 24.75 31.43 43.37 47.95 2024-03-01 28.41 2.23 6.71 16.46 24.24 30.58 41.22 47.88 2024-03-02 33.08 1.95 6.09 17.17 24.27 30.51 38.96 49.22 2024-03-03 39.65 1.31 5.94 15.70 24.05 30.55 38.42 50.64 2024-03-04 44.89 1.13 5.82 15.83 24.29 30.29 39.32 49.68 2024-03-05 44.77 0.68 5.41 15.96 24.03 30.23 42.53 51.56 2024-03-06 41.44 0.79 5.42 17.25 24.59 30.67 41.03 49.40 2024-03-07 32.24 2.57 6.45 15.49 23.71 32.41 36.17 49.58 2024-03-08 22.29 2.44 5.09 16.37 23.29 28.96 38.51 49.24 2024-03-09 15.57 2.42 5.19 15.65 22.03 27.36 37.46 48.99 2024-03-10 14.25 2.27 5.17 14.91 21.82 26.47 38.75 48.04 2024-03-11 -9999.0 3.73 6.10 15.00 21.30 27.30 38.69 47.51 2024-03-12 17.30 1.77 5.95 14.47 21.98 27.11 37.71 49.51 2024-03-13 17.11 2.68 7.12 14.25 22.05 28.89 38.82 48.46 2024-03-14 16.76 2.51 7.56 15.05 22.05 27.52 37.17 46.03 2024-03-15 14.24 1.82 7.48 14.85 21.76 26.88 37.67 49.78 2024-03-16 15.96 2.06 7.02 13.85 21.79 26.75 34.91 50.75 2024-03-17 8.52 2.65 6.44 15.02 21.09 26.61 33.53 49.24 2024-03-18 -9999.0 1.62 7.62 17.10 21.66 26.39 33.18 53.55 2024-03-19 9.64 0.97 5.79 15.47 20.79 25.81 32.37 53.79 2024-03-20 8.31 1.14 6.98 16.77 21.10 24.73 33.72 51.02 2024-03-21 18.00 0.73 4.83 15.58 19.94 23.94 32.15 49.62 2024-03-22 17.84 0.60 4.44 15.97 19.99 24.13 32.04 51.85 2024-03-23 20.62 1.50 3.08 15.67 19.30 23.03 30.61 52.07 2024-03-24 24.35 1.60 3.99 16.01 20.01 24.29 32.70 45.71 2024-03-25 25.71 1.85 4.50 13.85 19.64 24.87 32.06 44.26 2024-03-26 20.06 1.66 6.51 15.23 19.73 24.26 31.40 40.17 2024-03-27 16.94 1.53 8.45 13.11 19.56 25.08 32.62 39.74 2024-03-28 14.13 1.67 8.89 13.71 19.72 24.72 32.14 37.53 2024-03-29 -9999.0 2.16 8.12 12.73 19.27 24.39 31.75 37.05 2024-03-30 8.15 0.15 8.71 13.21 19.44 24.92 32.36 38.99 2024-03-31 -9999.0 0.58 5.43 11.82 19.35 24.84 32.98 39.75 2024-04-01 -9999.0 0.71 6.48 10.71 18.84 23.54 31.80 50.91 2024-04-02 6.78 1.50 6.12 10.16 18.59 22.71 31.56 51.50 2024-04-03 2.03 2.11 5.30 9.89 18.19 21.97 32.55 54.46 2024-04-04 0.40 0.57 4.84 10.97 17.83 21.60 33.59 51.09 2024-04-05 0.36 0.89 4.17 10.99 17.80 21.48 32.91 46.60 2024-04-06 2.92 1.37 4.88 10.58 17.23 21.22 31.62 41.58 2024-04-07 -9999.0 2.47 4.64 10.12 17.42 23.55 30.25 43.34 2024-04-08 4.84 2.68 4.87 9.55 17.73 23.79 32.98 43.43 2024-04-09 5.07 2.99 5.15 8.77 17.27 21.26 32.63 44.97 2024-04-10 4.86 3.37 5.95 9.38 17.97 23.13 31.06 53.04 2024-04-11 4.90 3.62 6.32 11.14 18.75 22.31 31.31 51.39 2024-04-12 4.39 3.42 5.60 10.54 18.25 22.35 32.14 47.69 2024-04-13 6.01 4.39 6.97 13.34 18.86 21.62 37.01 49.90 2024-04-14 5.92 3.45 6.33 12.40 18.02 21.34 34.27 50.24 2024-04-15 6.16 0.54 5.12 12.93 17.70 21.18 31.01 48.22 2024-04-16 -9999.0 1.98 5.09 11.95 17.92 22.15 31.06 47.56 2024-04-17 6.12 2.03 4.87 12.10 17.57 22.64 29.82 45.79 2024-04-18 -9999.0 1.43 4.47 10.19 16.74 20.98 30.09 41.64 2024-04-19 -9999.0 1.55 4.57 9.85 17.20 24.04 31.71 37.05 2024-04-20 6.10 1.51 4.38 10.02 16.78 20.66 32.28 37.62 2024-04-21 -9999.0 1.44 4.12 10.49 16.25 19.21 31.23 41.23 2024-04-22 4.65 1.46 3.96 10.65 15.92 18.35 30.69 46.34 2024-04-23 4.52 0.97 3.47 6.66 15.58 20.06 32.22 40.38 2024-04-24 5.26 0.76 1.92 6.29 14.59 21.20 29.02 39.31 2024-04-25 8.18 1.33 2.25 5.70 15.40 20.61 33.22 41.82 2024-04-26 6.09 1.13 2.87 5.39 15.43 21.41 33.97 45.80 2024-04-27 -9999.0 0.20 1.19 4.64 14.61 23.35 30.90 40.96 2024-04-28 -9999.0 0.58 2.16 6.72 14.79 19.51 29.23 44.47 2024-04-29 4.01 0.19 0.99 5.92 14.84 18.55 32.59 46.44 2024-04-30 5.84 0.24 2.90 7.12 15.25 19.67 32.27 47.37