Rapid Intensification Guidance AL142021 210912 18UTC Storm Located at : 22.30 95.40 Guidance run with Vmax [kt]: 35. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 35.00 F 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 11.00 F CONVECTION <-50C [%] 52.00 N CONVECTION <-60C [%] 43.00 N IR CORE SYMMETRY [K] 8.10 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] 23.3 23.9 26.3 29.3 42.1 44.2 55.3 53.2 N N N N VU VU VU VU Ocean Heat [kJ/cm^2] 50.0 40.0 32.0 35.0 40.0 4.0 5.0 5.0 N N U U N U U U Potential [kt] 130.0 130.0 130.0 130.0 130.0 130.0 130.0 115.7 F F F F F F F N 200mb Divg [10^6/s] 109.0 101.0 53.0 82.0 40.0 40.0 39.0 77.0 F F N N N N N N Humidity 700-500 hPa 75.0 70.0 65.0 65.0 57.0 54.0 49.0 50.0 F N N N U U U U T Advectio [10^6 K/s] 8.0 8.0 9.0 14.0 28.0 17.0 10.0 0.0 U U U U VU U U N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 2.1% 2.9% 2.5% 25kt / 24h 11.2% 24.0% 17.6% 30kt / 24h 4.4% 10.2% 7.3% 35kt / 24h 2.9% 9.7% 6.3% 40kt / 24h 0.6% 9.7% 5.2% 45kt / 36h 3.6% 15.8% 9.7% 55kt / 36h 0.0% 4.5% 2.3% 55kt / 48h 1.3% 4.1% 2.7% 70kt / 48h 0.1% 1.3% 0.7% 65kt / 72h 0.6% 1.2% 0.9%