Rapid Intensification Guidance AL132021 210908 18UTC Storm Located at : 28.40 86.80 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] 15.00 F CORE SIZE [km] 4.60 F CONVECTION <-50C [%] 57.00 N CONVECTION <-60C [%] 27.00 U IR CORE SYMMETRY [K] 9.70 F TC SIZE [%] 130.00 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] 22.2 30.5 34.2 40.7 40.5 50.2 55.0 49.4 N N U VU U VU VU VU Ocean Heat [kJ/cm^2] 20.0 30.0 4.0 33.0 54.0 18.0 21.0 27.0 U U U U N U U U Potential [kt] 130.0 130.0 124.6 124.6 130.0 120.1 117.9 120.1 F F N N F N N N 200mb Divg [10^6/s] 19.0 -11.0 31.0 39.0 -18.0 8.0 -21.0 14.0 U U N N U U VU U Humidity 700-500 hPa 62.0 61.0 58.0 53.0 45.0 43.0 40.0 38.0 N N U U VU VU VU VU T Advectio [10^6 K/s] 3.0 -4.0 -7.0 -5.0 -36.0 -21.0 -18.0 2.0 N F F F VF VF VF N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 3.8% 5.6% 4.7% 25kt / 24h 6.1% 19.1% 12.6% 30kt / 24h 3.7% 8.4% 6.1% 35kt / 24h 3.7% 8.2% 6.0% 40kt / 24h 0.4% 8.2% 4.3% 45kt / 36h 1.6% 17.1% 9.4% 55kt / 36h 0.0% 5.9% 2.9% 55kt / 48h 0.2% 2.8% 1.5% 70kt / 48h 0.1% 2.4% 1.3% 65kt / 72h 0.0% 1.9% 1.0%