* GFS version * * EAST PACIFIC 2023 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * HILARY EP092023 08/20/23 00 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 132 144 156 168 V (KT) NO LAND 85 75 63 47 36 25 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LAND 85 75 63 47 37 30 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LGEM 85 72 59 46 36 30 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Storm Type TROP TROP TROP TROP TROP EXTP N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 12 17 22 20 28 38 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 12 6 2 5 8 9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 180 180 176 175 168 178 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 26.9 25.2 22.4 20.7 19.3 14.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 135 119 90 74 67 67 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -49.2 -49.6 -49.6 -48.8 -48.0 -48.2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 1.8 1.7 1.7 1.3 1.8 2.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 3 3 2 3 3 2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 62 57 50 49 51 63 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 38 36 31 23 19 5 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 92 100 97 102 97 66 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 100 61 22 24 57 86 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 2 11 -5 1 -25 4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 223 117 56 20 -32 -387 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 24.3 26.2 28.1 30.7 33.2 39.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 114.3 114.9 115.5 116.3 117.0 118.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 17 20 23 26 28 29 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 1 0 0 0 0 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT):345/ 15 CX,CY: -3/ 14 T-12 MAX WIND: 110 PRESSURE OF STEERING LEVEL (MB): 511 (MEAN=588) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 14.5 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 88.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 0.0 INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE 6 12 18 24 36 48 60 72 84 96 108 120 132 144 156 168 -------------------------------------------------------------------------------------------- SAMPLE MEAN CHANGE 0. 1. 1. 1. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. SST POTENTIAL -1. -3. -8. -14. -19. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR MAG -1. -2. -3. -3. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR ADJ -1. -1. -2. -2. -5. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. PERSISTENCE -6. -9. -10. -9. -7. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 200/250 MB TEMP. -0. -1. -1. -1. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. THETA_E EXCESS -0. -1. -1. -2. -4. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 700-500 MB RH -0. -0. -0. -0. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. MODEL VTX TENDENCY -1. -4. -10. -15. -25. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 850 MB ENV VORTICITY 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 200 MB DIVERGENCE 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 850-700 T ADVEC -0. -0. -0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. ZONAL STORM MOTION -0. 0. 0. 0. -0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. STEERING LEVEL PRES -0. -0. -0. -1. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. GOES PREDICTORS -0. -1. -1. -1. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. OCEAN HEAT CONTENT 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. RI POTENTIAL -0. -1. -2. -3. -5. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. -------------------------------------------------------------------------------------------- TOTAL CHANGE -10. -22. -38. -49. -60. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. CURRENT MAX WIND (KT): 85. LAT, LON: 24.3 114.3 ** 2023 E. PACIFIC RI INDEX EP092023 HILARY 08/20/23 00 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) : 11.9 36.9 to 148.5 0.00 0.0 12 HR PERSISTENCE (KT) : -25.0 -22.0 to 44.0 0.00 0.0 MULTI-LAYER SHEAR (KT) : 35.4 30.9 to 7.7 0.00 0.0 BL DRY-AIR FLUX (W/M2) : 466.4 816.2 to -81.4 0.39 999.0 D200 (10**7s-1) : 52.8 -33.0 to 159.5 0.45 999.0 MAXIMUM WIND (KT) : 85.0 22.5 to 132.0 0.63 999.0 STD DEV OF IR BR TEMP : 14.5 37.8 to 2.1 0.65 999.0 HEAT CONTENT (KJ/CM2) : 0.2 2.7 to 103.4 0.00 0.0 %area of TPW <45 mm upshear : 34.5 49.8 to 0.0 0.31 999.0 2nd PC OF IR BR TEMP : 0.2 2.2 to -2.3 0.44 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 0% is 0.0 times climatological mean ( 6.3%) 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 ( 8.6%) SHIPS Prob RI for 35kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 6.2%) SHIPS Prob RI for 40kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 4.2%) SHIPS Prob RI for 45kt/ 36hr RI threshold= 0% is 0.0 times climatological mean ( 6.7%) 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 ( 4.7%) 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% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP092023 HILARY 08/20/23 00 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) ##