* GFS version * * EAST PACIFIC 2025 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC CLIMO USED * * PRISCILLA EP162025 10/10/25 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 30 25 21 N/A N/A N/A 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 30 25 21 N/A N/A N/A 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 30 25 21 N/A N/A N/A 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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 21 24 26 N/A N/A N/A 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) 2 2 5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 205 210 217 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 23.7 23.8 23.5 N/A N/A N/A 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) 97 98 95 N/A N/A N/A 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) -51.4 -51.3 -51.2 N/A N/A N/A 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) 0.3 0.2 0.2 N/A N/A N/A 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) 1 2 1 N/A N/A N/A 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 46 47 45 N/A N/A N/A 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) 11 9 7 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 53 52 72 N/A N/A N/A 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 18 27 41 N/A N/A N/A 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 7 0 3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 153 118 92 N/A N/A N/A 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) 26.1 26.5 26.9 N/A N/A N/A 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) 115.4 115.4 115.3 N/A N/A N/A 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) 5 4 4 N/A N/A N/A 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 1 1 N/A N/A N/A 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):350/ 5 CX,CY: 0/ 5 T-12 MAX WIND: 45 PRESSURE OF STEERING LEVEL (MB): 641 (MEAN=586) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 20.6 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 31.0 (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. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. SST POTENTIAL -1. -3. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR MAG 2. 4. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR ADJ -0. -0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR 0. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. PERSISTENCE -3. -5. 0. 0. 0. 0. 0. 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. -1. 0. 0. 0. 0. 0. 0. 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 -1. -2. 0. 0. 0. 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. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. DAYS FROM CLIM. PEAK -0. -0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. GOES PREDICTORS -1. -1. 0. 0. 0. 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. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. -------------------------------------------------------------------------------------------- TOTAL CHANGE -5. -9. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. CURRENT MAX WIND (KT): 30. LAT, LON: 26.1 115.4 ** 2025 E. PACIFIC RI INDEX EP162025 PRISCILLA 10/10/25 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) : 66.4 30.0 to 148.5 0.31 999.0 12 HR PERSISTENCE (KT) : -15.0 -22.0 to 44.0 0.11 999.0 MULTI-LAYER SHEAR (KT) : 35.4 34.9 to 7.7 0.00 0.0 BL DRY-AIR FLUX (W/M2) : 189.0 800.8 to -82.5 0.69 999.0 D200 (10**7s-1) : 28.7 -33.0 to 170.5 0.30 999.0 MAXIMUM WIND (KT) : 30.0 22.5 to 132.0 0.21 999.0 STD DEV OF IR BR TEMP : 20.6 37.8 to 2.1 0.48 999.0 HEAT CONTENT (KJ/CM2) : 1.0 2.7 to 107.8 0.00 0.0 %area of TPW <45 mm upshear : 81.1 58.2 to 0.0 0.00 0.0 2nd PC OF IR BR TEMP : -0.3 2.2 to -2.6 0.51 999.0 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= 999% is 999.0 times climatological mean ( 6.7%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 999% is 999.0 times climatological mean ( 5.9%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 999% is 999.0 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% 999.0% 999.0% 999.0% Logistic: 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Consensus: 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% DTOPS: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% SDCON: 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% ## ANNULAR HURRICANE INDEX (AHI) EP162025 PRISCILLA 10/10/25 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) ##