* EAST PACIFIC 2018 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * NINETEEN EP192018 09/20/18 06 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 V (KT) NO LAND 25 24 23 23 25 29 34 38 42 43 46 52 54 V (KT) LAND 25 26 26 26 27 27 27 27 27 27 27 27 27 V (KT) LGEM 25 26 26 DIS DIS DIS DIS DIS DIS DIS DIS DIS DIS Storm Type TROP TROP TROP N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 16 22 26 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) -1 0 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 223 227 230 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 30.7 30.4 30.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 171 169 165 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -51.8 -52.2 -52.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.6 0.7 0.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 6 6 7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 67 63 58 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 6 4 3 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 65 65 48 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 62 49 38 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 7 9 12 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) -29 -96 -186 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 27.8 28.6 29.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 110.3 109.9 109.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 8 8 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 37 34 34 9999 9999 9999 9999 9999 9999 9999 9999 9999 9999 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT): 20/ 7 CX,CY: 2/ 7 T-12 MAX WIND: 30 PRESSURE OF STEERING LEVEL (MB): 698 (MEAN=584) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 18.1 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 76.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 55 KT IN 48 HR): 0.9 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 -1. -3. -4. -4. -1. 6. 15. 25. 32. 37. 40. 39. VERTICAL SHEAR MAG 1. 3. 4. 6. 6. 2. -6. -15. -22. -26. -26. -25. VERTICAL SHEAR ADJ 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR 1. 1. 3. 4. 6. 9. 11. 13. 14. 16. 16. 16. PERSISTENCE -1. -2. -3. -3. -3. -3. -2. -1. -1. -2. -1. 0. 200/250 MB TEMP. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. THETA_E EXCESS 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 700-500 MB RH 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. MODEL VTX TENDENCY -1. -2. -3. -3. -3. -3. -4. -5. -5. -5. -5. -5. 850 MB ENV VORTICITY 0. 0. 0. 0. 0. -1. -1. -1. -2. -2. -2. -2. 200 MB DIVERGENCE 0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 2. 1. 850-700 T ADVEC 0. 0. 0. 0. 0. 0. 1. 2. 2. 3. 4. 5. ZONAL STORM MOTION 0. -1. -1. -2. -3. -4. -4. -4. -3. -3. -3. -3. STEERING LEVEL PRES 0. 0. 0. 1. 1. 1. 1. 2. 2. 3. 3. 3. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. GOES PREDICTORS 1. 1. 2. 2. 2. 1. 0. 0. 0. -1. -1. -1. OCEAN HEAT CONTENT 0. 0. 0. 1. 1. 1. 1. 1. 0. 0. 0. 0. RI POTENTIAL 0. 0. -1. -1. -2. -3. -3. -1. 0. 1. 2. 3. ---------------------------------------------------------- TOTAL CHANGE -1. -2. -2. 0. 4. 9. 13. 17. 18. 21. 27. 29. CURRENT MAX WIND (KT): 25. LAT, LON: 27.8 110.3 ** 2018 E. Pacific RI INDEX EP192018 NINETEEN 09/20/18 06 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) : 143.3 40.5 to 149.3 0.94 999.0 12 HR PERSISTENCE (KT) : -5.0 -22.0 to 44.0 0.26 999.0 850-200 MB SHEAR (KT) : 21.3 19.6 to 1.4 0.00 0.0 HEAT CONTENT (KJ/CM2) : 35.0 1.8 to 106.7 0.32 999.0 D200 (10**7s-1) : 49.7 -33.0 to 156.2 0.44 999.0 STD DEV OF IR BR TEMP : 18.1 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) : 84.3 721.6 to -82.5 0.79 999.0 %area of TPW <45 mm upshear : 17.8 62.3 to 0.0 0.71 999.0 2nd PC OF IR BR TEMP : 0.2 2.2 to -1.9 0.49 999.0 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= 14% is 1.1 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= 999% is 999.0 times climatological mean ( 6.5%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 999% is 999.0 times climatological mean ( 5.9%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 999% is 999.0 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% 13.8% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Logistic: 0.1% 0.4% 0.2% 0.0% 0.0% 999.0% 999.0% 999.0% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Consensus: 0.0% 4.7% 0.1% 0.0% 0.0% 999.0% 999.0% 999.0% DTOPS: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 7.0% ## ANNULAR HURRICANE INDEX (AHI) EP192018 NINETEEN 09/20/18 06 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=2 NFAIL=5 ## ## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ## CONTRIBUTIONS TO ANNULAR INDEX