* GFS version * * EAST PACIFIC 2025 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC CLIMO USED * * IVO EP092025 08/10/25 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 35 33 31 29 25 18 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 35 33 31 29 25 18 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 35 34 32 29 27 22 17 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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 15 12 14 7 8 9 6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) -2 -3 -2 -2 0 -4 -1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 49 59 65 68 52 73 103 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 24.2 23.5 23.7 23.1 22.6 21.8 21.6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 105 97 99 93 88 80 78 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -53.1 -53.1 -53.1 -53.4 -53.3 -53.4 -53.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.5 0.6 0.4 0.3 0.2 0.2 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) 0 0 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 700-500 MB RH 65 62 59 60 55 52 49 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 9 8 7 5 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 17 12 3 -3 -21 -22 -31 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV -11 2 6 5 -16 -11 -7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV -1 -3 -2 2 1 3 4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 567 633 666 731 806 981 1196 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 21.9 22.3 22.6 22.8 22.9 23.0 22.9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 116.7 117.7 118.7 119.8 120.9 123.2 125.6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 10 10 10 10 11 11 11 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 0 0 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 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT):285/ 10 CX,CY: -9/ 3 T-12 MAX WIND: 35 PRESSURE OF STEERING LEVEL (MB): 512 (MEAN=586) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 17.5 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 30.0 (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. 2. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. SST POTENTIAL -1. -1. -2. -4. -7. -8. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR MAG 1. 2. 3. 4. 7. 9. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR ADJ 0. 1. 1. 1. 1. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR -0. -1. -2. -2. -4. -6. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. PERSISTENCE -0. -0. -0. -1. -1. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 200/250 MB TEMP. 0. -0. -0. 0. 0. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. THETA_E EXCESS -1. -1. -2. -4. -6. -9. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 700-500 MB RH 0. -0. -0. -0. -0. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. MODEL VTX TENDENCY -0. -1. -1. -2. -2. -4. 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. -1. -1. -1. 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. -0. -0. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. GOES PREDICTORS -1. -1. -1. -1. -2. -4. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. OCEAN HEAT CONTENT 0. 0. -0. 0. 0. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. RI POTENTIAL -0. -1. -2. -3. -4. -4. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. -------------------------------------------------------------------------------------------- TOTAL CHANGE -1. -4. -6. -10. -17. -25. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. CURRENT MAX WIND (KT): 35. LAT, LON: 21.9 116.7 ** 2025 E. PACIFIC RI INDEX EP092025 IVO 08/10/25 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) : 61.6 30.0 to 148.5 0.27 999.0 12 HR PERSISTENCE (KT) : 0.0 -22.0 to 44.0 0.33 999.0 MULTI-LAYER SHEAR (KT) : 18.3 34.9 to 7.7 0.61 999.0 BL DRY-AIR FLUX (W/M2) : 202.2 800.8 to -82.5 0.68 999.0 D200 (10**7s-1) : -2.8 -33.0 to 170.5 0.15 999.0 MAXIMUM WIND (KT) : 35.0 22.5 to 132.0 0.36 999.0 STD DEV OF IR BR TEMP : 17.5 37.8 to 2.1 0.57 999.0 HEAT CONTENT (KJ/CM2) : 0.0 2.7 to 107.8 0.00 0.0 %area of TPW <45 mm upshear : 0.6 58.2 to 0.0 0.99 999.0 2nd PC OF IR BR TEMP : -0.2 2.2 to -2.6 0.49 999.0 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= 8% is 0.6 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% 8.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.0% 0.1% 0.2% 0.0% 0.1% 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% 2.7% 0.1% 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% SDCON: 0.0% 1.3% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP092025 IVO 08/10/25 18 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=3 NFAIL=4 ## ## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##