Rapid Intensification Guidance AL182021 211004 12UTC Storm Located at : 41.40 47.10 Guidance run with Vmax [kt]: 85. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 85.00 N 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 5.00 F CONVECTION <-50C [%] 52.00 N CONVECTION <-60C [%] 5.00 U IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 135.00 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] 39.8 54.0 62.8 46.6 24.3 33.0 38.1 27.5 U VU VU VU N 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] -12.3 -24.1 -30.7 -33.9 -37.8 -38.8 -41.1 -41.8 VU VU VU VU VU VU VU VU 200mb Divg [10^6/s] 45.0 8.0 51.0 54.0 42.0 18.0 67.0 70.0 N U N N N U N N Humidity 700-500 hPa 52.0 58.0 56.0 46.0 50.0 56.0 62.0 67.0 U U U VU U U N N T Advectio [10^6 K/s] -20.0 35.0 15.0 -9.0 -23.0 -29.0 -25.0 -5.0 VF VU U F VF VF VF F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.0% 0.0% 25kt / 24h 0.0% 0.0% 0.0% 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