Rapid Intensification Guidance AL072021 210817 18UTC Storm Located at : 18.40 77.50 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] 10.00 F CORE SIZE [km] 2.60 F CONVECTION <-50C [%] 66.00 N CONVECTION <-60C [%] 46.00 N IR CORE SYMMETRY [K] 9.50 F TC SIZE [%] 99.00 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] 13.7 15.2 20.3 15.3 19.5 22.8 20.7 23.8 F F N F N N N N Ocean Heat [kJ/cm^2] 82.0 88.0 84.0 85.0 41.0 30.0 29.0 47.0 N F N N N U U N Potential [kt] 120.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 N N N N N N N N 200mb Divg [10^6/s] 36.0 37.0 41.0 48.0 31.0 25.0 19.0 45.0 N N N N N U U N Humidity 700-500 hPa 57.0 54.0 54.0 57.0 58.0 58.0 58.0 62.0 U U U U U U U N T Advectio [10^6 K/s] -8.0 -11.0 -15.0 -9.0 -13.0 -9.0 -14.0 -3.0 F F VF F VF F VF N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 15.7% 22.6% 19.1% 25kt / 24h 50.3% 68.8% 59.6% 30kt / 24h 35.3% 56.8% 46.1% 35kt / 24h 23.5% 56.8% 40.1% 40kt / 24h 15.6% 55.8% 35.7% 45kt / 36h 38.1% 70.2% 54.2% 55kt / 36h 28.1% 54.5% 41.3% 55kt / 48h 35.0% 44.5% 39.7% 70kt / 48h 23.3% 39.9% 31.6% 65kt / 72h 31.3% 45.0% 38.2%