Rapid Intensification Guidance SH082021 210108 00UTC Storm Located at : -17.10 67.90 Guidance run with Vmax [kt]: 40. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 40.00 F 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 97.00 F CONVECTION <-60C [%] 92.00 F IR CORE SYMMETRY [K] 10.00 F TC SIZE [%] 128.00 U Forecast Conditions: Predictor Value Favorable(F)/Unfavor(U) 6 12 18 24 36 48 60 72 6 12 18 24 36 48 60 72 Wind Shear [kt] 20.2 21.5 17.4 15.4 17.1 22.8 29.8 37.9 N N F F F N N U Ocean Heat [kJ/cm^2] 12.0 11.0 10.0 8.0 12.0 13.0 8.0 2.0 U U U U U U U U Potential [kt] 98.5 98.5 96.6 93.0 91.2 91.2 82.7 84.3 N N N N N N N N 200mb Divg [10^6/s] 27.0 38.0 29.0 29.0 33.0 18.0 40.0 3.0 U N N N N U N U Humidity 700-500 hPa 54.0 59.0 55.0 60.0 58.0 66.0 65.0 59.0 U U U N U N N U T Advectio [10^6 K/s] -2.0 -2.0 3.0 0.0 1.0 -3.0 0.0 -4.0 N N N N N N N F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 1.8% 3.4% 2.6% 25kt / 24h 4.8% 16.1% 10.4% 30kt / 24h 2.0% 8.7% 5.3% 35kt / 24h 2.0% 8.7% 5.3% 40kt / 24h 0.1% 4.9% 2.5% 45kt / 36h 1.8% 25.4% 13.6% 55kt / 36h 1.5% 14.0% 7.7% 55kt / 48h 3.7% 3.1% 3.4% 70kt / 48h 3.1% 6.9% 5.0% 65kt / 72h 0.1% 3.2% 1.6% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons