Rapid Intensification Guidance AL172020 200913 00UTC Storm Located at : 28.60 59.10 Guidance run with Vmax [kt]: 65. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 65.00 N 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 32.00 U CONVECTION <-60C [%] 15.00 U IR CORE SYMMETRY [K] 7.40 F TC SIZE [%] 81.00 F 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] 15.6 8.0 7.2 7.6 5.8 20.2 39.1 54.0 F VF VF VF VF N U VU Ocean Heat [kJ/cm^2] 25.0 21.0 25.0 19.0 26.0 22.0 16.0 17.0 U U U U U U U U Potential [kt] 100.0 100.0 100.0 100.0 100.0 100.0 87.9 92.3 N N N N N N N N 200mb Divg [10^6/s] -18.0 -4.0 39.0 -1.0 25.0 49.0 100.0 102.0 U U N U U N F F Humidity 700-500 hPa 38.0 38.0 37.0 37.0 39.0 45.0 41.0 36.0 VU VU VU VU VU VU VU VU T Advectio [10^6 K/s] 11.0 7.0 0.0 0.0 4.0 0.0 -1.0 -11.0 U N N N N N N F Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 13.4% 11.3% 12.4% 25kt / 24h 23.5% 43.3% 33.4% 30kt / 24h 21.6% 43.3% 32.5% 35kt / 24h 19.2% 43.3% 31.3% 40kt / 24h 19.2% 43.3% 31.3% 45kt / 36h 28.5% 30.6% 29.5% 55kt / 36h 16.7% 15.3% 16.0% 55kt / 48h 16.3% 26.7% 21.5% 70kt / 48h 7.2% 7.2% 7.2% 65kt / 72h 9.0% 3.2% 6.1%