Rapid Intensification Guidance AL072021 210819 18UTC Storm Located at : 20.50 89.50 Guidance run with Vmax [kt]: 50. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 50.00 N 12-H DELTA VMAX [kt] -20.00 U CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 20.00 U CONVECTION <-60C [%] 5.00 U IR CORE SYMMETRY [K] 8.40 F TC SIZE [%] 94.00 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] 16.1 17.8 22.7 19.5 20.9 19.9 19.8 19.8 F F N N N N N N Ocean Heat [kJ/cm^2] 44.0 29.0 33.0 40.0 16.0 9.0 14.0 14.0 N U U N U U U U Potential [kt] 115.0 115.0 115.0 115.0 115.0 115.0 115.0 115.0 N N N N N N N N 200mb Divg [10^6/s] -2.0 -16.0 -22.0 -10.0 -23.0 45.0 54.0 54.0 U U VU U VU N N N Humidity 700-500 hPa 56.0 57.0 57.0 62.0 62.0 70.0 73.0 73.0 U U U N N N N N T Advectio [10^6 K/s] -1.0 -13.0 -5.0 0.0 -8.0 -3.0 -5.0 -5.0 N VF F N F N F F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.0% 0.4% 0.2% 25kt / 24h 0.3% 3.0% 1.7% 30kt / 24h 0.1% 1.1% 0.6% 35kt / 24h 0.0% 1.0% 0.5% 40kt / 24h 0.0% 1.0% 0.5% 45kt / 36h 0.1% 1.3% 0.7% 55kt / 36h 0.0% 0.2% 0.1% 55kt / 48h 0.3% 2.4% 1.3% 70kt / 48h 0.1% 0.3% 0.2% 65kt / 72h 2.4% 1.9% 2.2%