Rapid Intensification Guidance SH082021 210108 12UTC Storm Located at : -18.00 66.60 Guidance run with Vmax [kt]: 30. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 30.00 F 12-H DELTA VMAX [kt] -10.00 U CORE SIZE [km] 5.40 F CONVECTION <-50C [%] 12.00 VU CONVECTION <-60C [%] 8.00 U IR CORE SYMMETRY [K] 5.00 F TC SIZE [%] 89.00 F 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] 19.6 17.7 15.5 18.8 20.9 24.1 33.7 30.4 N F F N N N U N Ocean Heat [kJ/cm^2] 16.0 6.0 2.0 4.0 4.0 3.0 2.0 0.0 U U U U U U U U Potential [kt] 101.2 96.0 94.3 97.7 99.4 88.0 92.7 86.5 N N N N N N N N 200mb Divg [10^6/s] 16.0 10.0 34.0 67.0 22.0 29.0 10.0 0.0 U U N N U N U U Humidity 700-500 hPa 57.0 56.0 59.0 59.0 65.0 66.0 61.0 53.0 U U U U N N N U T Advectio [10^6 K/s] -14.0 -13.0 -20.0 -11.0 -22.0 -16.0 -32.0 -9.0 VF VF VF F VF VF VF F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.1% 0.1% 25kt / 24h 0.0% 0.6% 0.3% 30kt / 24h 0.0% 0.1% 0.1% 35kt / 24h 0.0% 0.1% 0.0% 40kt / 24h 0.0% 0.1% 0.0% 45kt / 36h 0.2% 1.2% 0.7% 55kt / 36h 0.0% 0.2% 0.1% 55kt / 48h 0.6% 0.6% 0.6% 70kt / 48h 0.6% 0.4% 0.5% 65kt / 72h 0.0% 0.7% 0.4% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons