Rapid Intensification Guidance AL122021 210908 18UTC Storm Located at : 28.30 58.80 Guidance run with Vmax [kt]: 95. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 95.00 U 12-H DELTA VMAX [kt] -5.00 U CORE SIZE [km] 9.40 F CONVECTION <-50C [%] 50.00 N CONVECTION <-60C [%] 28.00 U IR CORE SYMMETRY [K] 9.90 F TC SIZE [%] 119.00 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] 13.2 14.7 16.5 17.7 19.9 28.6 47.9 53.6 F F F F N N VU VU Ocean Heat [kJ/cm^2] 31.0 28.0 23.0 17.0 20.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 70.0 70.0 70.0 62.3 49.4 2.0 -47.7 -51.5 U U U U U VU VU VU 200mb Divg [10^6/s] 56.0 28.0 43.0 36.0 10.0 55.0 68.0 130.0 N U N N U N N F Humidity 700-500 hPa 54.0 56.0 58.0 54.0 58.0 53.0 52.0 61.0 U U U U U U U N T Advectio [10^6 K/s] -5.0 -4.0 2.0 9.0 32.0 11.0 -52.0 -73.0 F F N U VU U VF VF Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 6.8% 4.8% 5.8% 25kt / 24h 7.1% 11.9% 9.5% 30kt / 24h 6.5% 8.1% 7.3% 35kt / 24h 5.3% 8.1% 6.7% 40kt / 24h 1.5% 8.1% 4.8% 45kt / 36h 19.2% 3.1% 11.1% 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%