* EAST PACIFIC SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * INVEST EP912018 06/04/18 18 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 V (KT) NO LAND 20 22 24 27 30 39 48 57 64 67 69 72 74 V (KT) LAND 20 22 24 27 30 39 48 57 64 67 69 72 74 V (KT) LGEM 20 20 21 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) 10 6 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) -3 -3 -2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 327 9 30 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 30.4 30.4 30.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 168 167 165 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -52.8 -52.3 -52.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.2 0.1 0.2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 8 8 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 74 76 74 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 10 9 9 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR -9 -7 -14 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 101 101 88 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV -4 -3 -6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 747 738 731 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 11.1 11.4 11.6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 103.7 104.1 104.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 7 4 4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 73 77 80 0 0 0 0 0 0 0 0 0 0 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT):275/ 9 CX,CY: -8/ 1 T-12 MAX WIND: 15 PRESSURE OF STEERING LEVEL (MB): 625 (MEAN=550) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 22.5 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 68.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 55 KT IN 48 HR): 7.7 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. 1. -0. -1. -1. -2. SST POTENTIAL -1. -3. -3. -2. 4. 13. 24. 32. 37. 39. 41. 41. VERTICAL SHEAR MAG 1. 2. 3. 4. 5. 5. 5. 5. 4. 5. 5. 6. VERTICAL SHEAR ADJ 0. 0. 1. 1. 1. 1. 1. 1. 0. 0. 0. 0. VERTICAL SHEAR DIR -0. 0. 0. 1. 1. 2. 2. 2. 2. 3. 2. 2. PERSISTENCE -0. -0. -0. -1. -1. -1. -1. -0. -0. -0. 0. 1. 200/250 MB TEMP. -0. -0. -1. -1. -2. -4. -5. -6. -7. -7. -6. -6. THETA_E EXCESS 0. 0. 1. 1. 2. 2. 3. 4. 4. 5. 5. 6. 700-500 MB RH 0. 0. 0. 0. 1. 1. 2. 2. 3. 4. 5. 6. MODEL VTX TENDENCY -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. 850 MB ENV VORTICITY 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. 2. 2. 200 MB DIVERGENCE 0. 1. 2. 3. 4. 5. 5. 5. 5. 5. 4. 4. 850-700 T ADVEC -0. -0. 0. 0. -0. -0. -0. -1. -1. -1. -2. -2. ZONAL STORM MOTION 0. 0. 0. 0. 1. 1. 1. 0. 0. 0. 0. 0. STEERING LEVEL PRES 0. 0. 1. 1. 1. 1. 1. 2. 2. 2. 1. 1. DAYS FROM CLIM. PEAK -0. -0. -0. -0. 0. -0. -0. -1. -1. -2. -2. -2. GOES PREDICTORS 0. 1. 1. 1. 1. 0. -1. -1. -2. -2. -3. -3. OCEAN HEAT CONTENT 1. 2. 2. 2. 2. 1. 0. -0. -0. -0. -0. 0. ---------------------------------------------------------- TOTAL CHANGE 2. 4. 7. 10. 19. 28. 37. 44. 47. 49. 52. 54. CURRENT MAX WIND (KT): 20. LAT, LON: 11.1 103.7 ** 2017 E.PACIFIC RI INDEX EP912018 INVEST 06/04/18 18 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 12 HR PERSISTENCE (KT): 0.0 -22.0 to 44.0 0.33 999.0 POT = MPI-VMAX (KT) : 146.6 40.5 to 149.3 0.97 999.0 850-200 MB SHEAR (KT) : 8.1 18.9 to 1.4 0.62 999.0 HEAT CONTENT (KJ/cm2) : 46.0 0.0 to 106.7 0.43 999.0 MAXIMUM WIND (kt) : 20.0 22.5 to 132.0 0.00 0.0 D200 (10**7s-1) : 96.7 -33.0 to 156.2 0.69 999.0 STD DEV OF IR BR TEMP : 22.5 37.8 to 2.1 0.43 999.0 % AREA WITH TPW <45 mm: 0.0 62.3 to 0.0 1.00 999.0 2nd PC OF IR BR TEMP : 0.4 2.2 to -1.9 0.43 999.0 BL DRY-AIR FLUX (w/m2): 33.7 735.9 to -82.5 0.86 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 0% is 0.0 times sample mean ( 7.7%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 0% is 0.0 times sample mean (15.3%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 0% is 0.0 times sample mean (10.4%) SHIPS Prob RI for 35kt/ 24hr RI threshold= 0% is 0.0 times sample mean ( 7.5%) SHIPS Prob RI for 40kt/ 24hr RI threshold= 0% is 0.0 times sample mean ( 5.2%) SHIPS Prob RI for 45kt/ 36hr RI threshold= 999% is 999.0 times sample mean ( 8.1%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 999% is 999.0 times sample mean ( 7.4%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 999% is 999.0 times sample mean ( 5.5%) 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% 999.0% 999.0% 999.0% Logistic: 1.4% 10.0% 5.6% 3.8% 1.3% 999.0% 999.0% 999.0% Bayesian: 0.6% 5.6% 1.6% 0.4% 0.1% 999.0% 999.0% 999.0% Consensus: 0.6% 5.2% 2.4% 1.4% 0.5% 999.0% 999.0% 999.0% ## ANNULAR HURRICANE INDEX (AHI) EP912018 INVEST 06/04/18 18 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) ##