Rapid Intensification Guidance WP262020 201221 12UTC Storm Located at : 9.10 111.90 Guidance run with Vmax [kt]: 30. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 30.00 F 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 2.20 F CONVECTION <-50C [%] 50.00 N CONVECTION <-60C [%] 42.00 N IR CORE SYMMETRY [K] 7.90 F TC SIZE [%] 113.00 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] 21.3 18.4 19.2 19.5 18.0 17.0 12.4 15.3 N F N N F F F F Ocean Heat [kJ/cm^2] 5.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 U U U U U U U U Potential [kt] 116.5 110.5 97.7 85.0 50.8 47.6 30.5 27.3 N N N N U U VU VU 200mb Divg [10^6/s] 70.0 51.0 75.0 68.0 42.0 -6.0 -20.0 -29.0 N N N N N U VU VU Humidity 700-500 hPa 72.0 72.0 69.0 67.0 67.0 62.0 56.0 49.0 N N N N N N U U T Advectio [10^6 K/s] 5.0 7.0 6.0 7.0 7.0 5.0 4.0 7.0 N N N N N N N N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 0.3% 1.1% 0.7% 25kt / 24h 0.7% 5.0% 2.8% 30kt / 24h 0.1% 1.3% 0.7% 35kt / 24h 0.1% 1.3% 0.7% 40kt / 24h 0.0% 1.0% 0.5% 45kt / 36h 0.1% 7.0% 3.5% 55kt / 36h 0.1% 2.5% 1.3% 55kt / 48h 4.5% 4.5% 4.5% 70kt / 48h 4.5% 1.4% 2.9% 65kt / 72h 0.0% 0.0% 0.0% Decapatation Guidance NOT VALID Thermodyanmic Conditions Unfavorable for Intense Typhoons