* GFS version * * EAST PACIFIC 2026 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * HERNAN EP082026 08/15/26 18 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 132 144 156 168 V (KT) NO LAND 25 24 23 22 21 19 16 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LAND 25 24 23 22 21 19 16 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LGEM 25 23 21 20 19 17 16 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 TROP TROP TROP N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 16 18 22 24 22 23 24 29 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 1 -1 0 3 5 1 0 1 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 290 292 289 292 291 286 276 269 N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 27.8 28.1 28.2 28.1 27.7 27.4 27.6 27.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 142 146 147 146 141 138 140 142 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -51.8 -51.5 -51.6 -51.9 -52.1 -51.8 -52.1 -51.9 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) -0.1 0.0 0.0 0.0 0.0 0.1 0.3 0.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 7 7 7 7 8 8 7 7 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 49 46 47 47 44 47 49 48 N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 11 10 10 9 8 8 7 6 LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 54 48 52 52 44 40 42 45 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 17 4 -13 -14 -37 -32 -19 -12 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 10 4 1 3 3 0 1 3 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 2094 1972 1850 1735 1620 1419 1219 1010 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 15.8 15.9 16.0 16.1 16.1 16.3 16.5 16.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 135.4 136.5 137.7 138.8 139.9 141.8 143.7 145.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 10 11 11 11 10 9 9 10 N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 21 22 22 17 11 8 14 12 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):255/ 10 CX,CY: -9/ -2 T-12 MAX WIND: 30 PRESSURE OF STEERING LEVEL (MB): 699 (MEAN=586) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 3.7 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 0.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 0.1 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. 2. 2. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. SST POTENTIAL 0. 0. 1. 2. 6. 12. 17. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR MAG 1. 2. 2. 3. 2. -0. -5. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR ADJ 0. 0. -0. -0. -1. -1. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR -0. -1. -2. -2. -4. -6. -7. 0. 0. 0. 0. 0. 0. 0. 0. 0. PERSISTENCE -1. -2. -3. -3. -3. -2. -2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 200/250 MB TEMP. -0. -0. -0. -0. -0. -0. -0. 0. 0. 0. 0. 0. 0. 0. 0. 0. THETA_E EXCESS 0. 0. 0. 1. 1. 2. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 700-500 MB RH -0. -0. -0. -1. -2. -2. -2. 0. 0. 0. 0. 0. 0. 0. 0. 0. MODEL VTX TENDENCY -0. -1. -1. -2. -2. -4. -6. 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. -1. -1. -1. -2. 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. 1. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 1. 1. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. GOES PREDICTORS -1. -0. -0. -0. -2. -5. -8. 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. -4. -4. -2. 0. 0. 0. 0. 0. 0. 0. 0. 0. -------------------------------------------------------------------------------------------- TOTAL CHANGE -1. -2. -3. -4. -6. -9. -13. 0. 0. 0. 0. 0. 0. 0. 0. 0. CURRENT MAX WIND (KT): 25. LAT, LON: 15.8 135.4 **2026 E. Pacific RI INDEX EP082026 HERNAN 08/15/26 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 POT = MPI-VMAX (KT) : 119.3 30.0 to 148.5 0.75 9999.0 12 HR PERSISTENCE (KT) : -5.0 -22.0 to 44.0 0.26 9999.0 MULTI-LAYER SHEAR (KT) : 30.3 34.9 to 7.7 0.17 9999.0 BL DRY-AIR FLUX (W/M2) : 203.0 800.8 to -82.5 0.68 9999.0 D200 (10**7s-1) : -8.6 -33.0 to 170.5 0.12 9999.0 MAXIMUM WIND (KT) : 25.0 22.5 to 132.0 0.07 9999.0 STD DEV OF IR BR TEMP : 3.7 37.8 to 2.1 0.95 9999.0 OCEAN HEAT CONTENT(KJ/CM2) : 21.0 0.0 to 107.8 0.19 9999.0 %area of TPW <45 mm upshear : 18.2 60.4 to 0.0 0.70 9999.0 Avg. IR BT 0-120 km (deg C) : 18.6 -15.6 to -90.4 0.00 0.0 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: 0.2% 0.3% 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: 0.1% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% DTOPS: 0.0% 1.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% SDCON: 0.0% 0.5% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP082026 HERNAN 08/15/26 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) ##