Rapid Intensification Guidance AL152021 210922 18UTC Storm Located at : 43.30 40.40 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 U CORE SIZE [km] 5.00 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 3.10 F TC SIZE [%] 133.00 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] 16.1 14.4 14.9 14.0 34.1 39.8 32.5 28.2 F F F F U U U N 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] 35.4 28.4 23.7 19.7 18.5 25.7 29.6 31.4 U VU VU VU VU VU VU VU 200mb Divg [10^6/s] 30.0 33.0 -12.0 41.0 14.0 3.0 -18.0 -30.0 N N U N U U U VU Humidity 700-500 hPa 42.0 43.0 42.0 39.0 46.0 45.0 42.0 39.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] -5.0 0.0 2.0 13.0 1.0 -26.0 -48.0 -92.0 F N N U N VF VF VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.0% 0.0% 25kt / 24h 0.1% 0.0% 0.1% 30kt / 24h 0.0% 0.0% 0.0% 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