* GFS version * * EAST PACIFIC 2025 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC CLIMO USED * * IVO EP092025 08/09/25 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 45 43 40 39 36 30 23 16 N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LAND 45 43 40 39 36 30 23 16 N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LGEM 45 43 40 38 35 29 24 20 16 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 TROP N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 16 13 16 14 13 12 11 13 12 N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) -3 -2 -1 -2 -2 -1 0 -4 0 N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 47 58 48 48 56 62 52 68 82 N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 26.7 26.4 26.0 25.1 24.1 23.9 22.7 21.9 21.9 N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 130 127 123 114 103 101 89 81 81 N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -53.4 -53.1 -52.9 -53.1 -53.2 -53.2 -53.4 -53.5 -53.9 N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.4 0.4 0.3 0.4 0.5 0.6 0.3 0.1 0.3 N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 2 2 1 0 0 0 0 0 0 N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 71 68 66 67 63 58 57 54 53 N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 13 13 13 13 13 11 9 9 7 LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 17 16 20 24 14 10 -11 -18 -18 N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV -20 -30 -3 -16 -28 0 7 -4 -6 N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV -1 -1 -3 -1 -2 -4 1 0 2 N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 388 446 486 523 576 701 841 1021 1245 N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 20.9 21.1 21.3 21.6 21.9 22.2 22.4 22.4 22.2 N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 113.1 114.0 114.9 115.9 116.8 118.7 120.9 123.2 125.7 N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 7 9 9 9 9 9 11 11 11 N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 3 2 1 1 0 0 0 0 0 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):280/ 6 CX,CY: -5/ 1 T-12 MAX WIND: 50 PRESSURE OF STEERING LEVEL (MB): 610 (MEAN=586) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 23.5 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 45.0 (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. 2. 1. 0. 0. 0. 0. 0. 0. 0. 0. SST POTENTIAL 0. 0. 0. -1. -3. -6. -9. -11. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR MAG 0. 1. 2. 2. 4. 6. 7. 7. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR ADJ 0. 0. 1. 1. 1. 1. 1. 1. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR -0. -1. -1. -1. -3. -4. -6. -7. 0. 0. 0. 0. 0. 0. 0. 0. PERSISTENCE -1. -2. -2. -3. -2. -2. -2. -1. 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. -1. -2. -3. -5. -8. -9. -11. 0. 0. 0. 0. 0. 0. 0. 0. 700-500 MB RH 0. 0. 0. 0. 0. 0. -0. -0. 0. 0. 0. 0. 0. 0. 0. 0. MODEL VTX TENDENCY 0. -0. 0. -0. -1. -4. -6. -9. 0. 0. 0. 0. 0. 0. 0. 0. 850 MB ENV VORTICITY 0. -0. -0. -0. -0. 0. 0. 1. 0. 0. 0. 0. 0. 0. 0. 0. 200 MB DIVERGENCE -0. -0. -1. -1. -1. -1. -2. -3. 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. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 1. 1. 1. 0. 0. 0. 0. 0. 0. 0. 0. GOES PREDICTORS -1. -2. -2. -3. -2. -3. -4. -4. 0. 0. 0. 0. 0. 0. 0. 0. OCEAN HEAT CONTENT 0. 0. -0. 0. 0. -1. -1. -2. 0. 0. 0. 0. 0. 0. 0. 0. RI POTENTIAL -0. -1. -2. -3. -4. -4. -3. -0. 0. 0. 0. 0. 0. 0. 0. 0. -------------------------------------------------------------------------------------------- TOTAL CHANGE -2. -5. -6. -9. -15. -22. -29. -35. 0. 0. 0. 0. 0. 0. 0. 0. CURRENT MAX WIND (KT): 45. LAT, LON: 20.9 113.1 ** 2025 E. PACIFIC RI INDEX EP092025 IVO 08/09/25 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) : 74.4 30.0 to 148.5 0.37 999.0 12 HR PERSISTENCE (KT) : -5.0 -22.0 to 44.0 0.26 999.0 MULTI-LAYER SHEAR (KT) : 20.7 34.9 to 7.7 0.52 999.0 BL DRY-AIR FLUX (W/M2) : 186.4 800.8 to -82.5 0.70 999.0 D200 (10**7s-1) : -19.4 -33.0 to 170.5 0.07 999.0 MAXIMUM WIND (KT) : 45.0 22.5 to 132.0 0.64 999.0 STD DEV OF IR BR TEMP : 23.5 37.8 to 2.1 0.40 999.0 HEAT CONTENT (KJ/CM2) : 1.4 2.7 to 107.8 0.00 0.0 %area of TPW <45 mm upshear : 0.0 58.2 to 0.0 1.00 999.0 2nd PC OF IR BR TEMP : -0.1 2.2 to -2.6 0.48 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 5% is 0.8 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: 5.0% 7.6% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.0% 0.1% 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: 1.7% 2.6% 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: 0.8% 1.8% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP092025 IVO 08/09/25 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) ##