Rapid Intensification Guidance AL152021 210921 18UTC Storm Located at : 39.70 41.70 Guidance run with Vmax [kt]: 45. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 45.00 N 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 9.80 F CONVECTION <-50C [%] 0.00 VU CONVECTION <-60C [%] 0.00 U IR CORE SYMMETRY [K] 1.40 F TC SIZE [%] 124.00 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] 38.9 34.5 25.7 26.8 24.3 22.2 30.6 37.4 U U N N N N U U 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] 44.7 42.8 38.3 30.4 27.7 31.9 46.7 44.7 U U U VU VU VU U U 200mb Divg [10^6/s] -8.0 40.0 4.0 -11.0 46.0 15.0 -43.0 -3.0 U N U U N U VU U Humidity 700-500 hPa 39.0 45.0 48.0 48.0 46.0 40.0 47.0 49.0 VU VU U U VU VU VU U T Advectio [10^6 K/s] -15.0 0.0 -8.0 -5.0 -3.0 2.0 5.0 5.0 VF N F F N N N N 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