Name: NH Vortex Area Units: million km!U2!N Level: 850 K Source: MERRA2 (Data starting 2021-10-01 are from GEOS FP) Missing: -9999.0 Climatology: 1978/1979 to 2020/2021 Date Data Minimum 10% 30% Mean 70% 90% Maximum Fcst 2021-10-01 31.01 10.70 17.58 26.12 28.83 32.34 37.59 43.82 0 2021-10-02 29.39 9.09 19.14 25.94 28.75 31.53 36.64 45.22 0 2021-10-03 27.28 9.77 20.98 26.91 28.72 31.24 38.52 44.60 0 2021-10-04 27.32 8.95 20.59 25.02 28.19 31.50 38.49 43.79 0 2021-10-05 25.04 7.24 19.34 25.03 28.05 32.18 38.08 43.49 0 2021-10-06 22.90 6.30 18.31 23.78 27.62 31.56 37.57 43.04 0 2021-10-07 22.99 4.84 16.38 22.90 27.36 31.49 40.13 43.20 0 2021-10-08 24.81 6.16 16.38 21.72 26.97 31.67 40.94 43.24 0 2021-10-09 25.43 9.39 16.91 22.86 27.34 30.73 41.08 44.54 0 2021-10-10 25.97 9.59 17.60 23.26 27.83 30.72 40.67 49.29 0 2021-10-11 27.83 9.72 19.53 23.13 28.33 31.02 40.39 49.38 0 2021-10-12 25.96 9.90 20.27 23.68 28.66 32.02 41.16 49.01 0 2021-10-13 23.37 10.86 19.53 24.35 28.81 32.11 40.41 49.80 0 2021-10-14 22.12 12.93 18.64 23.33 28.36 31.92 39.48 47.50 0 2021-10-15 19.65 11.52 18.60 23.28 27.88 32.52 38.10 46.44 0 2021-10-16 19.10 13.76 18.77 22.25 27.57 32.15 37.31 45.63 0 2021-10-17 20.08 11.78 18.32 22.90 27.17 31.20 38.38 45.09 0 2021-10-18 20.75 11.58 18.20 21.83 27.12 30.27 39.87 44.56 0 2021-10-19 20.44 8.56 17.76 20.88 26.94 29.96 40.23 44.04 0 2021-10-20 21.95 8.35 17.79 22.01 26.48 29.76 38.04 43.45 0 2021-10-21 22.56 9.77 17.66 20.97 25.86 28.84 37.39 43.23 0 2021-10-22 21.44 15.18 18.03 21.30 25.90 30.09 35.83 42.86 0 2021-10-23 22.31 14.80 17.81 21.09 25.76 29.79 36.04 42.53 0 2021-10-24 22.29 14.92 18.23 21.31 25.70 27.87 36.18 42.13 0 2021-10-25 21.52 10.14 18.00 21.99 25.29 28.28 35.26 41.56 0 2021-10-26 21.35 10.32 17.94 21.87 25.30 28.65 35.29 40.46 0 2021-10-27 22.63 8.64 17.25 20.64 25.03 28.51 35.82 39.88 0 2021-10-28 22.36 7.52 17.17 20.54 24.74 27.16 35.07 39.69 0 2021-10-29 21.28 4.34 17.77 20.07 24.61 28.73 34.79 39.36 0 2021-10-30 21.20 4.36 16.90 20.29 25.00 29.39 35.53 40.11 0 2021-10-31 20.90 7.79 16.72 20.30 25.12 28.89 35.24 40.63 0 2021-11-01 20.55 9.06 16.97 20.59 24.86 28.36 34.26 40.68 0 2021-11-02 19.73 10.48 16.34 20.51 24.75 27.49 35.25 40.73 0 2021-11-03 19.71 13.83 16.29 21.23 24.67 27.17 34.34 41.18 0 2021-11-04 19.21 13.52 16.60 21.19 24.75 27.26 33.92 40.03 0 2021-11-05 18.25 13.14 15.43 20.48 24.54 27.23 33.94 40.24 0 2021-11-06 17.81 12.26 15.19 20.42 24.34 27.53 32.06 36.37 0 2021-11-07 17.69 10.99 17.78 20.33 24.78 27.09 32.70 36.67 0 2021-11-08 17.88 14.48 17.57 20.34 24.81 27.16 33.48 37.04 0 2021-11-09 17.55 16.43 18.64 20.80 25.34 27.78 33.77 36.90 0 2021-11-10 17.87 15.56 17.86 22.44 25.63 29.60 32.79 37.77 0 2021-11-11 18.98 16.22 18.41 21.52 26.10 29.18 34.34 40.33 0 2021-11-12 19.82 14.14 17.93 22.07 26.06 29.73 34.04 39.10 0 2021-11-13 20.66 14.53 18.26 21.91 25.77 28.41 34.37 39.34 0 2021-11-14 20.95 12.87 18.39 21.96 25.00 27.33 32.34 37.42 0 2021-11-15 21.55 12.76 19.01 21.58 24.69 26.16 32.13 37.30 0 2021-11-16 21.18 12.54 19.80 21.50 24.80 26.27 32.56 39.45 0 2021-11-17 21.09 12.56 18.34 21.75 24.55 27.20 32.11 46.61 0 2021-11-18 20.36 12.40 18.46 21.96 24.99 26.37 32.84 52.82 0 2021-11-19 20.51 12.79 17.57 22.16 25.25 27.79 32.68 51.73 0 2021-11-20 20.11 13.17 18.04 21.24 25.46 28.14 32.54 56.54 0 2021-11-21 19.79 12.67 18.36 20.95 25.50 27.18 32.20 54.94 0 2021-11-22 19.69 12.53 17.75 20.36 25.63 27.61 32.80 53.08 0 2021-11-23 19.84 12.40 17.45 21.49 25.53 28.72 33.02 51.46 0 2021-11-24 20.24 13.78 16.46 21.20 25.89 29.16 33.90 50.21 0 2021-11-25 20.64 13.77 17.74 22.80 26.38 29.47 33.93 45.78 0 2021-11-26 21.00 14.16 17.74 22.97 26.51 29.43 35.33 43.42 0 2021-11-27 21.11 14.51 17.51 23.10 26.87 29.33 36.38 47.53 0 2021-11-28 21.46 14.58 17.59 23.75 27.52 29.39 36.42 53.45 0 2021-11-29 21.20 12.78 17.28 23.80 27.68 30.11 37.86 58.69 0 2021-11-30 20.83 12.13 16.70 23.99 27.40 28.87 36.06 58.69 0 2021-12-01 20.77 11.89 17.14 23.13 27.46 29.54 37.50 58.37 0 2021-12-02 20.30 12.25 17.66 22.44 27.36 29.55 37.42 58.22 0 2021-12-03 19.86 12.11 17.80 21.84 26.99 29.83 37.76 58.49 0 2021-12-04 20.03 12.36 17.88 21.74 26.88 29.85 39.64 51.00 0 2021-12-05 20.53 12.16 17.34 22.22 27.20 29.12 38.65 49.17 0 2021-12-06 20.42 11.36 17.21 22.28 27.18 28.55 41.84 48.68 18 2021-12-07 20.83 10.16 17.54 21.57 27.44 28.59 44.63 51.14 48 2021-12-08 21.05 9.95 16.91 22.61 27.81 29.07 44.15 57.81 72 2021-12-09 20.66 9.67 16.31 21.68 27.82 28.78 48.18 57.72 96 2021-12-10 20.31 11.73 17.00 21.84 27.87 28.67 47.76 57.23 120 2021-12-11 20.22 12.07 18.18 22.70 27.98 28.71 46.08 56.80 156 2021-12-12 19.68 11.88 18.11 22.62 28.35 29.14 45.03 56.41 180 2021-12-13 19.29 11.11 17.95 23.99 28.78 29.02 44.46 55.64 204 2021-12-14 19.16 9.60 17.86 24.06 28.88 29.87 44.07 55.19 228 2021-12-15 -9999.0 7.90 17.77 24.57 28.94 30.59 42.65 55.48 -1 2021-12-16 -9999.0 6.88 16.40 24.96 29.02 30.88 42.09 54.60 -1 2021-12-17 -9999.0 7.02 16.47 23.93 28.41 31.20 42.69 53.14 -1 2021-12-18 -9999.0 5.07 17.15 23.51 27.95 30.57 44.97 52.33 -1 2021-12-19 -9999.0 5.77 17.38 23.51 27.84 30.69 43.14 51.55 -1 2021-12-20 -9999.0 6.25 19.67 23.28 27.84 31.41 41.43 53.06 -1 2021-12-21 -9999.0 6.36 19.57 23.63 27.86 31.95 40.22 54.43 -1 2021-12-22 -9999.0 5.12 19.38 24.07 28.05 31.15 39.55 54.86 -1 2021-12-23 -9999.0 3.93 19.45 24.16 28.01 32.06 38.14 56.09 -1 2021-12-24 -9999.0 2.41 18.81 24.50 28.05 32.67 37.66 55.84 -1 2021-12-25 -9999.0 4.59 18.47 23.42 28.02 32.16 39.34 54.99 -1 2021-12-26 -9999.0 5.09 17.85 23.55 27.78 32.57 38.58 54.56 -1 2021-12-27 -9999.0 5.76 18.58 22.86 27.76 32.81 39.43 55.35 -1 2021-12-28 -9999.0 7.14 20.01 23.29 27.46 31.33 37.77 54.88 -1 2021-12-29 -9999.0 6.45 20.17 23.82 27.32 30.10 37.05 55.78 -1 2021-12-30 -9999.0 5.65 20.37 24.38 27.54 29.81 37.36 56.37 -1 2021-12-31 -9999.0 5.42 18.68 24.24 27.89 31.11 37.30 57.31 -1 2022-01-01 -9999.0 5.89 17.57 24.15 27.85 30.93 36.91 55.46 -1 2022-01-02 -9999.0 4.65 17.96 24.36 27.99 30.59 42.73 54.96 -1 2022-01-03 -9999.0 4.85 17.17 24.03 27.99 29.95 46.71 54.97 -1 2022-01-04 -9999.0 4.35 16.21 22.99 27.31 29.91 42.89 50.78 -1 2022-01-05 -9999.0 5.14 16.16 22.98 27.22 30.20 42.39 49.56 -1 2022-01-06 -9999.0 5.27 15.03 22.38 27.09 29.94 43.99 48.85 -1 2022-01-07 -9999.0 6.52 14.97 21.63 27.02 29.58 44.31 49.58 -1 2022-01-08 -9999.0 7.53 16.40 21.07 27.21 30.09 41.87 54.73 -1 2022-01-09 -9999.0 10.62 16.59 21.81 27.53 31.07 40.34 55.31 -1 2022-01-10 -9999.0 10.48 16.45 21.57 27.32 30.56 39.38 55.87 -1 2022-01-11 -9999.0 9.48 16.85 21.36 27.14 30.58 39.26 54.79 -1 2022-01-12 -9999.0 8.14 16.85 21.36 26.95 30.01 40.50 54.36 -1 2022-01-13 -9999.0 6.43 15.89 23.26 26.94 30.94 38.58 53.00 -1 2022-01-14 -9999.0 4.39 15.42 22.68 26.67 30.37 37.63 51.94 -1 2022-01-15 -9999.0 4.35 14.35 21.32 26.53 30.72 38.78 50.98 -1 2022-01-16 -9999.0 3.91 14.99 21.99 26.58 31.46 37.61 49.93 -1 2022-01-17 -9999.0 3.59 14.41 20.67 26.58 30.88 41.22 50.81 -1 2022-01-18 -9999.0 3.57 14.63 21.06 26.16 30.56 39.66 50.44 -1 2022-01-19 -9999.0 3.42 14.17 21.15 26.00 30.49 38.02 50.08 -1 2022-01-20 -9999.0 3.28 14.30 21.04 25.77 29.85 37.84 45.34 -1 2022-01-21 -9999.0 3.32 14.77 20.98 25.70 29.86 38.04 49.75 -1 2022-01-22 -9999.0 3.37 14.83 20.32 25.61 30.54 39.34 48.86 -1 2022-01-23 -9999.0 3.54 15.23 20.19 25.21 31.40 36.08 47.42 -1 2022-01-24 -9999.0 3.82 14.51 19.97 24.92 29.65 34.78 52.27 -1 2022-01-25 -9999.0 4.13 14.24 19.71 24.71 28.72 34.07 51.54 -1 2022-01-26 -9999.0 4.20 12.26 19.24 24.21 30.62 34.75 50.82 -1 2022-01-27 -9999.0 4.31 11.01 19.36 23.79 30.35 35.76 50.01 -1 2022-01-28 -9999.0 3.56 11.28 19.01 23.65 30.26 36.11 49.94 -1 2022-01-29 -9999.0 4.08 10.61 18.36 23.44 29.03 36.20 54.92 -1 2022-01-30 -9999.0 4.49 10.72 16.84 23.04 28.13 36.02 55.49 -1 2022-01-31 -9999.0 7.21 10.32 15.93 22.99 29.60 36.50 56.33 -1 2022-02-01 -9999.0 8.01 10.32 15.40 22.66 28.07 37.01 54.62 -1 2022-02-02 -9999.0 7.88 11.29 16.86 22.71 26.41 35.61 54.90 -1 2022-02-03 -9999.0 6.74 11.14 15.92 22.53 27.70 34.55 51.62 -1 2022-02-04 -9999.0 5.64 11.18 15.34 22.61 28.17 36.47 55.51 -1 2022-02-05 -9999.0 4.91 11.36 16.22 22.55 26.66 35.36 55.59 -1 2022-02-06 -9999.0 4.10 11.42 16.45 22.44 26.88 34.01 55.23 -1 2022-02-07 -9999.0 3.90 11.30 15.76 21.77 24.96 36.11 50.68 -1 2022-02-08 -9999.0 3.76 10.85 15.91 21.19 25.14 33.03 49.14 -1 2022-02-09 -9999.0 3.59 10.45 15.07 20.52 23.84 32.73 45.82 -1 2022-02-10 -9999.0 2.99 9.26 14.63 19.68 24.59 30.39 40.85 -1 2022-02-11 -9999.0 6.62 11.53 13.69 19.46 22.50 30.30 40.22 -1 2022-02-12 -9999.0 6.93 11.70 14.37 19.45 21.68 29.89 43.65 -1 2022-02-13 -9999.0 6.04 11.83 15.70 19.87 21.69 30.67 44.62 -1 2022-02-14 -9999.0 5.04 12.68 15.81 20.46 21.87 32.91 45.09 -1 2022-02-15 -9999.0 3.98 12.31 15.88 20.70 23.04 35.48 42.82 -1 2022-02-16 -9999.0 2.28 11.87 15.78 20.94 23.91 34.46 47.62 -1 2022-02-17 -9999.0 1.45 11.92 14.99 20.87 23.85 35.41 48.92 -1 2022-02-18 -9999.0 1.67 11.90 14.36 20.25 23.47 31.17 47.49 -1 2022-02-19 -9999.0 2.14 9.45 14.46 19.60 21.58 29.96 46.57 -1 2022-02-20 -9999.0 2.19 9.26 14.50 19.29 21.18 28.85 52.07 -1 2022-02-21 -9999.0 1.95 8.44 14.37 18.76 20.63 27.79 46.50 -1 2022-02-22 -9999.0 2.95 9.50 14.32 18.87 20.71 27.49 46.79 -1 2022-02-23 -9999.0 3.36 10.12 14.87 19.54 21.55 27.58 49.64 -1 2022-02-24 -9999.0 3.59 9.53 14.17 19.96 22.67 32.95 49.34 -1 2022-02-25 -9999.0 4.08 9.40 14.14 20.33 23.77 35.65 52.56 -1 2022-02-26 -9999.0 4.51 8.07 14.52 20.68 23.45 39.15 55.34 -1 2022-02-27 -9999.0 5.00 7.82 14.42 20.59 23.07 39.87 55.63 -1 2022-02-28 -9999.0 4.98 8.26 13.82 19.89 22.71 37.45 53.59 -1 2022-03-01 -9999.0 2.21 7.92 13.33 18.94 22.42 31.83 55.23 -1 2022-03-02 -9999.0 1.59 7.15 13.49 18.35 20.96 28.59 57.32 -1 2022-03-03 -9999.0 1.69 7.40 13.24 18.27 20.97 27.12 55.66 -1 2022-03-04 -9999.0 0.87 7.10 12.88 18.03 20.10 26.34 52.83 -1 2022-03-05 -9999.0 1.46 6.98 12.76 17.77 19.77 28.83 50.22 -1 2022-03-06 -9999.0 1.96 6.68 12.30 17.56 20.27 30.25 48.96 -1 2022-03-07 -9999.0 2.67 6.59 11.75 17.43 20.02 31.78 45.28 -1 2022-03-08 -9999.0 3.35 5.79 10.96 16.66 19.04 27.10 42.36 -1 2022-03-09 -9999.0 3.82 6.51 10.89 16.84 18.72 26.93 45.81 -1 2022-03-10 -9999.0 3.30 7.35 11.38 17.15 19.63 26.74 46.24 -1 2022-03-11 -9999.0 4.77 7.38 11.43 17.87 20.00 31.82 48.32 -1 2022-03-12 -9999.0 4.66 6.89 11.63 18.62 20.61 34.04 52.93 -1 2022-03-13 -9999.0 4.62 7.20 11.42 19.07 20.51 33.58 53.33 -1 2022-03-14 -9999.0 3.53 7.09 10.38 19.10 21.52 34.51 54.31 -1 2022-03-15 -9999.0 4.28 7.10 10.19 18.97 21.26 34.61 55.10 -1 2022-03-16 -9999.0 3.06 6.98 10.62 18.54 21.14 33.22 53.87 -1 2022-03-17 -9999.0 4.10 5.96 10.74 18.54 20.80 33.21 53.96 -1 2022-03-18 -9999.0 4.43 7.50 10.96 18.40 20.59 32.13 53.48 -1 2022-03-19 -9999.0 3.16 9.00 11.59 18.42 20.73 31.25 50.77 -1 2022-03-20 -9999.0 1.96 8.58 11.66 18.79 20.97 35.30 50.11 -1 2022-03-21 -9999.0 2.12 8.52 11.07 18.92 21.73 34.56 48.49 -1 2022-03-22 -9999.0 2.17 8.08 11.28 18.28 20.21 30.49 48.51 -1 2022-03-23 -9999.0 2.20 8.24 11.28 18.28 20.16 34.54 48.95 -1 2022-03-24 -9999.0 2.21 8.00 11.31 18.10 18.20 35.44 48.82 -1 2022-03-25 -9999.0 0.99 8.03 11.09 17.90 19.65 36.57 48.57 -1 2022-03-26 -9999.0 1.57 7.76 11.42 18.11 19.98 35.46 48.45 -1 2022-03-27 -9999.0 1.61 8.63 11.82 18.53 21.50 33.43 48.85 -1 2022-03-28 -9999.0 1.37 8.80 11.16 18.48 21.07 34.47 52.59 -1 2022-03-29 -9999.0 1.74 7.27 11.60 18.38 21.65 35.11 53.37 -1 2022-03-30 -9999.0 1.94 6.59 11.16 18.14 21.04 36.35 51.97 -1 2022-03-31 -9999.0 1.73 6.63 11.22 17.67 20.76 34.03 48.02 -1 2022-04-01 -9999.0 1.94 5.74 10.57 17.00 19.31 34.36 46.17 -1 2022-04-02 -9999.0 1.94 6.19 10.47 16.52 18.53 34.66 41.39 -1 2022-04-03 -9999.0 1.87 5.51 10.86 16.45 18.33 33.99 44.17 -1 2022-04-04 -9999.0 1.86 4.81 10.85 16.50 18.92 32.97 47.88 -1 2022-04-05 -9999.0 1.80 6.46 11.28 17.06 18.81 33.78 50.30 -1 2022-04-06 -9999.0 2.62 5.65 11.34 17.76 20.45 31.94 46.08 -1 2022-04-07 -9999.0 2.63 5.56 11.24 18.45 24.14 32.27 45.37 -1 2022-04-08 -9999.0 2.51 7.88 11.03 18.66 24.19 33.36 48.60 -1 2022-04-09 -9999.0 2.77 7.99 12.66 19.07 24.55 32.43 53.77 -1 2022-04-10 -9999.0 3.18 7.94 12.48 19.02 24.91 32.60 57.51 -1 2022-04-11 -9999.0 3.80 7.38 11.52 18.77 25.82 32.10 56.17 -1 2022-04-12 -9999.0 3.94 5.85 10.35 18.74 23.90 32.19 55.21 -1 2022-04-13 -9999.0 3.61 6.35 10.24 19.12 22.89 33.06 54.15 -1 2022-04-14 -9999.0 3.58 6.42 9.09 18.75 22.41 33.35 52.34 -1 2022-04-15 -9999.0 3.53 6.13 9.25 18.67 24.53 34.49 53.23 -1 2022-04-16 -9999.0 3.75 5.89 8.71 18.04 21.34 34.56 53.68 -1 2022-04-17 -9999.0 3.93 5.69 8.09 18.06 21.76 34.76 51.44 -1 2022-04-18 -9999.0 2.97 4.55 8.09 17.24 23.19 34.11 52.09 -1 2022-04-19 -9999.0 2.48 4.81 8.72 16.86 22.61 31.63 50.76 -1 2022-04-20 -9999.0 3.57 4.85 9.83 16.66 21.44 29.92 48.14 -1 2022-04-21 -9999.0 3.81 6.24 9.78 17.70 22.56 31.09 47.12 -1 2022-04-22 -9999.0 2.31 5.41 9.42 16.73 21.24 30.83 47.20 -1 2022-04-23 -9999.0 1.29 5.57 8.65 16.80 22.43 31.79 43.15 -1 2022-04-24 -9999.0 1.96 6.94 9.22 17.19 21.83 32.67 47.91 -1 2022-04-25 -9999.0 1.53 6.47 8.46 16.73 22.50 31.72 47.56 -1 2022-04-26 -9999.0 1.46 4.85 8.05 16.47 19.92 33.59 47.11 -1 2022-04-27 -9999.0 0.69 6.12 7.75 16.88 23.20 33.24 45.26 -1 2022-04-28 -9999.0 0.68 5.24 7.73 16.82 22.07 32.56 41.53 -1 2022-04-29 -9999.0 0.64 4.36 7.06 16.45 22.70 30.72 42.35 -1 2022-04-30 -9999.0 0.59 3.87 6.12 15.23 20.67 30.19 45.68 -1