Rapid Intensification Guidance AL162021 210927 12UTC Storm Located at : 31.10 58.90 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] 5.00 N CORE SIZE [km] 11.80 F CONVECTION <-50C [%] 11.00 VU CONVECTION <-60C [%] 2.00 U IR CORE SYMMETRY [K] 3.70 F TC SIZE [%] 102.00 N 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] 27.1 32.7 31.6 36.5 41.6 41.9 40.7 46.2 N U U U VU VU VU VU Ocean Heat [kJ/cm^2] 1.0 4.0 10.0 12.0 0.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 108.5 110.5 110.5 110.5 99.4 85.0 57.8 38.4 N N N N N N U U 200mb Divg [10^6/s] 32.0 43.0 -13.0 -2.0 22.0 18.0 20.0 40.0 N N U U U U U N Humidity 700-500 hPa 48.0 47.0 46.0 47.0 49.0 54.0 58.0 65.0 U VU VU VU U U U N T Advectio [10^6 K/s] 3.0 4.0 1.0 4.0 7.0 16.0 23.0 31.0 N N N N N U VU VU Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.1% 0.3% 0.2% 25kt / 24h 0.2% 1.2% 0.7% 30kt / 24h 0.2% 0.3% 0.3% 35kt / 24h 0.0% 0.2% 0.1% 40kt / 24h 0.0% 0.2% 0.1% 45kt / 36h 0.1% 1.3% 0.7% 55kt / 36h 0.0% 0.2% 0.1% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.1% 0.0% 65kt / 72h 0.0% 0.1% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons