* EAST PACIFIC 2018 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * LANE EP142018 08/28/18 06 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 V (KT) NO LAND 30 28 26 27 27 31 30 25 21 17 DIS DIS DIS V (KT) LAND 30 28 26 27 27 31 30 25 21 17 DIS DIS DIS V (KT) LGEM 30 27 25 23 22 20 19 DIS DIS DIS DIS DIS DIS Storm Type TROP TROP TROP TROP TROP TROP TROP N/A N/A N/A N/A N/A N/A SHEAR (KT) 49 53 48 45 49 32 34 N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 3 1 2 0 -4 0 -1 N/A N/A N/A N/A N/A N/A SHEAR DIR 225 227 228 225 224 228 241 N/A N/A N/A N/A N/A N/A SST (C) 28.1 28.1 28.1 28.0 28.0 27.8 27.8 N/A N/A N/A N/A N/A N/A POT. INT. (KT) 143 143 143 142 143 141 140 N/A N/A N/A N/A N/A N/A 200 MB T (C) -53.6 -53.6 -53.8 -53.6 -53.7 -54.6 -54.4 N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.3 0.3 0.5 0.5 0.2 0.0 -0.1 N/A N/A N/A N/A N/A N/A TH_E DEV (C) 10 10 10 10 10 9 9 N/A N/A N/A N/A N/A N/A 700-500 MB RH 50 52 52 51 50 48 43 N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 11 10 10 11 11 18 20 LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 93 98 100 93 88 81 42 N/A N/A N/A N/A N/A N/A 200 MB DIV 28 44 72 69 48 45 8 N/A N/A N/A N/A N/A N/A 700-850 TADV 1 4 6 11 15 9 10 N/A N/A N/A N/A N/A N/A LAND (KM) 851 887 925 922 922 912 958 N/A N/A N/A N/A N/A N/A LAT (DEG N) 18.4 18.6 18.8 19.4 19.9 21.3 22.2 N/A N/A N/A N/A N/A N/A LONG(DEG W) 167.0 167.5 168.0 168.2 168.4 168.6 169.1 N/A N/A N/A N/A N/A N/A STM SPEED (KT) 5 5 5 6 6 6 5 N/A N/A N/A N/A N/A N/A HEAT CONTENT 25 23 22 21 21 23 20 9999 9999 9999 9999 9999 9999 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT):265/ 6 CX,CY: -5/ 0 T-12 MAX WIND: 35 PRESSURE OF STEERING LEVEL (MB): 745 (MEAN=584) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 5.4 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 2.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 55 KT IN 48 HR): 0.3 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. 5. 10. 15. 21. 25. 27. 29. 28. VERTICAL SHEAR MAG 0. -1. -2. -3. -6. -12. -24. -39. -50. -58. -60. -60. VERTICAL SHEAR ADJ 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR 0. -1. -1. -1. -2. -2. -2. -2. -3. -3. -3. -3. PERSISTENCE -1. -2. -3. -3. -3. -2. -2. -1. -1. -1. -1. 0. 200/250 MB TEMP. 0. 0. 0. 0. 1. 2. 2. 3. 4. 4. 4. 3. THETA_E EXCESS 0. 1. 2. 3. 4. 5. 7. 7. 8. 9. 9. 10. 700-500 MB RH 0. 0. 0. -1. -1. -2. -3. -3. -3. -3. -3. -4. MODEL VTX TENDENCY 0. -1. 0. 1. 7. 8. 10. 12. 12. 12. 12. 12. 850 MB ENV VORTICITY 0. 0. 0. 0. -1. -1. -2. -2. -3. -3. -3. -3. 200 MB DIVERGENCE 0. 0. 0. 0. 1. 0. 0. 0. 0. 1. 1. 1. 850-700 T ADVEC 0. 0. 0. 0. 0. 0. 1. 2. 2. 3. 4. 5. ZONAL STORM MOTION 0. 0. 0. 0. 0. -1. -1. -1. -1. -1. -1. -1. STEERING LEVEL PRES 0. 0. 1. 1. 1. 1. 2. 2. 3. 3. 4. 4. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 1. 1. 2. 2. 2. 2. GOES PREDICTORS -1. -1. -1. -1. -3. -6. -8. -8. -7. -8. -11. -12. OCEAN HEAT CONTENT 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. RI POTENTIAL 0. 0. -1. -1. -2. -3. -3. -2. 0. 1. 2. 3. ---------------------------------------------------------- TOTAL CHANGE -2. -4. -3. -3. 1. 0. -4. -9. -13. -17. -18. -19. CURRENT MAX WIND (KT): 30. LAT, LON: 18.4 167.0 ** 2018 E. Pacific RI INDEX EP142018 LANE 08/28/18 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) : 112.9 40.5 to 149.3 0.67 999.0 12 HR PERSISTENCE (KT) : -5.0 -22.0 to 44.0 0.26 999.0 850-200 MB SHEAR (KT) : 49.0 19.6 to 1.4 0.00 0.0 HEAT CONTENT (KJ/CM2) : 22.4 1.8 to 106.7 0.20 999.0 D200 (10**7s-1) : 52.2 -33.0 to 156.2 0.45 999.0 STD DEV OF IR BR TEMP : 5.4 37.8 to 2.1 0.91 999.0 MAXIMUM WIND (KT) : 30.0 22.5 to 132.0 0.22 999.0 BL DRY-AIR FLUX (W/M2) : 187.6 721.6 to -82.5 0.66 999.0 %area of TPW <45 mm upshear : 9.5 62.3 to 0.0 0.85 999.0 2nd PC OF IR BR TEMP : 1.2 2.2 to -1.9 0.25 999.0 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: 0.0% 0.0% 0.0% 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% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% DTOPS: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 2.0% ## ANNULAR HURRICANE INDEX (AHI) EP142018 LANE 08/28/18 06 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=4 NFAIL=3 ## ## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ## CONTRIBUTIONS TO ANNULAR INDEX