* EAST PACIFIC 2018 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * INVEST EP922018 11/04/18 12 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 V (KT) NO LAND 25 24 23 21 20 DIS DIS DIS DIS DIS DIS DIS DIS V (KT) LAND 25 24 23 21 20 DIS DIS DIS DIS DIS DIS DIS DIS V (KT) LGEM 25 24 23 22 21 18 15 DIS DIS DIS DIS DIS DIS Storm Type TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP TROP EXTP SHEAR (KT) 21 18 8 12 19 24 36 41 50 42 40 40 50 SHEAR ADJ (KT) 2 0 2 0 -1 1 4 5 0 3 5 4 0 SHEAR DIR 314 321 288 231 227 206 205 204 223 215 234 244 255 SST (C) 27.5 27.4 27.2 27.1 26.9 27.0 25.5 24.8 23.1 22.7 22.4 22.8 24.9 POT. INT. (KT) 135 135 134 133 132 133 118 110 92 89 87 92 114 200 MB T (C) -55.4 -55.6 -55.4 -55.5 -55.6 -55.4 -55.7 -55.5 -55.9 -55.7 -56.1 -56.1 -55.5 200 MB VXT (C) 0.1 0.1 0.0 0.0 -0.1 -0.2 -0.3 -0.3 -0.2 0.0 0.0 0.0 0.0 TH_E DEV (C) 5 5 6 6 5 5 4 4 3 2 2 3 2 700-500 MB RH 43 40 40 39 37 34 34 32 28 27 26 26 29 MODEL VTX (KT) 6 6 6 6 6 4 4 3 2 LOST LOST LOST LOST 850 MB ENV VOR 13 11 9 12 1 -23 -27 -15 -5 -9 -6 0 13 200 MB DIV 24 14 13 15 32 31 15 26 4 24 27 2 -5 700-850 TADV 0 -2 -3 -2 0 2 0 1 0 -2 -2 -3 -4 LAND (KM) 1454 1436 1424 1407 1375 1266 1160 1070 929 751 530 270 -40 LAT (DEG N) 13.0 13.3 13.7 14.1 14.7 16.3 18.1 19.8 21.3 22.7 23.8 24.8 25.6 LONG(DEG W) 119.0 119.1 119.4 119.6 119.9 120.4 120.9 121.2 120.8 119.9 118.0 115.2 111.7 STM SPEED (KT) 3 4 5 6 7 9 9 9 8 9 12 15 17 HEAT CONTENT 5 5 4 3 1 1 0 0 0 0 0 0 4 FORECAST TRACK FROM TABM INITIAL HEADING/SPEED (DEG/KT): 0/ 2 CX,CY: 0/ 2 T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 726 (MEAN=584) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 18.2 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 31.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 55 KT IN 48 HR): 0.0 INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE 6 12 18 24 36 48 60 72 84 96 108 120 ---------------------------------------------------------- SAMPLE MEAN CHANGE 0. 0. 1. 1. 1. 1. 1. 0. -1. -1. -2. -3. SST POTENTIAL 0. 0. 1. 2. 6. 11. 16. 20. 23. 24. 24. 23. VERTICAL SHEAR MAG 1. 1. 2. 2. 2. -1. -8. -20. -30. -39. -42. -44. VERTICAL SHEAR ADJ 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. VERTICAL SHEAR DIR 0. -1. -2. -3. -5. -7. -8. -8. -7. -6. -5. -3. PERSISTENCE 0. 0. 0. -1. -1. -1. 0. 0. 0. 0. 0. 0. 200/250 MB TEMP. 0. 0. 0. 0. 0. 1. 1. 2. 3. 4. 5. 5. THETA_E EXCESS 0. 0. 0. -1. -1. -2. -3. -3. -4. -5. -6. -7. 700-500 MB RH 0. -1. -1. -1. -2. -4. -5. -6. -7. -7. -8. -8. MODEL VTX TENDENCY 0. 0. 0. 0. -2. -3. -4. -6. -7. -7. -7. -7. 850 MB ENV VORTICITY 0. 0. 0. 0. 0. 1. 1. 1. 2. 2. 2. 2. 200 MB DIVERGENCE 0. 0. -1. -1. -1. -1. -1. -1. -2. -2. -2. -2. 850-700 T ADVEC 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. ZONAL STORM MOTION 0. -1. -1. -2. -2. -3. -3. -3. -2. -2. -2. -2. STEERING LEVEL PRES 0. 0. 1. 1. 1. 1. 1. 2. 2. 3. 3. 3. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. -1. -1. -2. -2. -2. -2. GOES PREDICTORS -1. -1. -1. -1. -2. -4. -5. -5. -5. -5. -7. -7. OCEAN HEAT CONTENT 0. 0. 0. -1. -1. -1. -1. 0. 0. 0. 0. 0. RI POTENTIAL 0. 0. -1. -1. -2. -3. -3. -2. 0. 1. 2. 3. ---------------------------------------------------------- TOTAL CHANGE -1. -2. -4. -5. -10. -15. -21. -30. -37. -42. -45. -47. CURRENT MAX WIND (KT): 25. LAT, LON: 13.0 119.0 ** 2018 E. Pacific RI INDEX EP922018 INVEST 11/04/18 12 UTC ** (SHIPS-RII PREDICTOR TABLE for 30 KT OR MORE MAXIMUM WIND INCREASE IN NEXT 24-h) Predictor Value RI Predictor Range Scaled Value(0-1) % Contribution POT = MPI-VMAX (KT) : 110.8 40.5 to 149.3 0.65 999.0 12 HR PERSISTENCE (KT) : 0.0 -22.0 to 44.0 0.33 999.0 850-200 MB SHEAR (KT) : 15.8 19.6 to 1.4 0.21 999.0 HEAT CONTENT (KJ/CM2) : 3.6 1.8 to 106.7 0.02 999.0 D200 (10**7s-1) : 19.6 -33.0 to 156.2 0.28 999.0 STD DEV OF IR BR TEMP : 18.2 37.8 to 2.1 0.55 999.0 MAXIMUM WIND (KT) : 25.0 22.5 to 132.0 0.07 999.0 BL DRY-AIR FLUX (W/M2) : 211.0 721.6 to -82.5 0.63 999.0 %area of TPW <45 mm upshear : 85.4 62.3 to 0.0 0.00 0.0 2nd PC OF IR BR TEMP : 1.3 2.2 to -1.9 0.21 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 0% is 0.0 times climatological mean ( 6.1%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 0% is 0.0 times climatological mean (12.5%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 8.4%) SHIPS Prob RI for 35kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 6.0%) SHIPS Prob RI for 40kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 4.0%) SHIPS Prob RI for 45kt/ 36hr RI threshold= 0% is 0.0 times climatological mean ( 6.5%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 0% is 0.0 times climatological mean ( 5.9%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 0% is 0.0 times climatological mean ( 4.8%) Matrix of RI probabilities ------------------------------------------------------------------------------ RI (kt / h) | 20/12 | 25/24 | 30/24 | 35/24 | 40/24 | 45/36 | 55/48 |65/72 ------------------------------------------------------------------------------ SHIPS-RII: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.1% 0.1% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 0.0% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% DTOPS: 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% ## ANNULAR HURRICANE INDEX (AHI) EP922018 INVEST 11/04/18 12 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=5 NFAIL=2 ## ## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ## CONTRIBUTIONS TO ANNULAR INDEX