Rapid Intensification Guidance AL152021 210918 12UTC Storm Located at : 38.60 67.80 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] 11.80 F CONVECTION <-50C [%] 12.00 VU CONVECTION <-60C [%] 6.00 U IR CORE SYMMETRY [K] 2.50 F TC SIZE [%] 142.00 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] 51.5 49.1 50.0 58.6 52.1 44.7 46.4 46.7 VU VU VU VU VU VU VU VU Ocean Heat [kJ/cm^2] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 73.6 70.8 65.4 52.7 30.2 21.8 19.7 31.4 U U U U VU VU VU VU 200mb Divg [10^6/s] 112.0 65.0 120.0 83.0 6.0 83.0 -6.0 -26.0 F N F N U N U VU Humidity 700-500 hPa 58.0 58.0 59.0 57.0 46.0 43.0 36.0 33.0 U U U U VU VU VU VU T Advectio [10^6 K/s] 23.0 14.0 4.0 -4.0 -67.0 -52.0 -52.0 -61.0 VU U N F VF VF VF VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.0% 0.0% 25kt / 24h 0.2% 0.0% 0.1% 30kt / 24h 0.2% 0.0% 0.1% 35kt / 24h 0.0% 0.0% 0.0% 40kt / 24h 0.0% 0.0% 0.0% 45kt / 36h 0.0% 0.0% 0.0% 55kt / 36h 0.0% 0.0% 0.0% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons