* GFS version * * EAST PACIFIC 2023 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * NORMA EP172023 10/22/23 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 60 50 43 37 32 21 18 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LAND 60 59 52 46 41 31 28 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LGEM 60 59 50 43 38 29 27 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) 18 29 33 34 35 35 43 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 2 -1 3 6 6 12 12 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 222 223 228 220 225 227 210 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 29.5 30.0 30.4 30.6 30.4 29.6 28.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 158 163 167 169 167 158 149 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -49.7 -49.6 -49.2 -49.1 -49.3 -49.4 -49.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 1.2 0.9 0.7 1.1 1.3 0.6 0.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 7 6 5 7 8 5 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 41 41 40 39 38 36 34 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 24 21 21 18 14 3 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 33 34 37 56 71 77 76 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 19 -1 0 25 38 22 48 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 2 0 0 -2 -2 0 5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) -26 20 75 78 22 -38 -142 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 23.3 23.8 24.2 24.5 24.8 24.9 25.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 109.8 109.5 109.2 108.8 108.3 107.6 106.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 5 5 5 5 4 4 5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 23 28 32 32 29 23 6 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): 30/ 5 CX,CY: 3/ 4 T-12 MAX WIND: 90 PRESSURE OF STEERING LEVEL (MB): 631 (MEAN=588) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 18.2 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 46.0 (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. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. SST POTENTIAL 0. 0. 0. -0. -4. -9. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR MAG -1. -2. -3. -3. -1. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR ADJ -0. -0. -1. -1. -3. -5. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR 0. 1. 1. 1. 3. 4. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. PERSISTENCE -7. -10. -12. -12. -10. -8. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 200/250 MB TEMP. -0. -1. -0. -0. 0. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. THETA_E EXCESS 0. -0. -0. 0. -0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 700-500 MB RH -0. -0. -1. -1. -2. -2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. MODEL VTX TENDENCY -1. -2. -5. -8. -15. -21. 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. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. STEERING LEVEL PRES 0. 0. 0. 0. 1. 1. 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. -2. -3. -3. -3. -3. 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. -5. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. -------------------------------------------------------------------------------------------- TOTAL CHANGE -10. -17. -23. -28. -39. -42. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. CURRENT MAX WIND (KT): 60. LAT, LON: 23.3 109.8 ** 2023 E. PACIFIC RI INDEX EP172023 NORMA 10/22/23 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) : 104.7 36.9 to 148.5 0.61 999.0 12 HR PERSISTENCE (KT) : -30.0 -22.0 to 44.0 0.00 0.0 MULTI-LAYER SHEAR (KT) : 42.2 30.9 to 7.7 0.00 0.0 BL DRY-AIR FLUX (W/M2) : 451.8 816.2 to -81.4 0.41 999.0 D200 (10**7s-1) : 16.2 -33.0 to 159.5 0.26 999.0 MAXIMUM WIND (KT) : 60.0 22.5 to 132.0 0.97 999.0 STD DEV OF IR BR TEMP : 18.2 37.8 to 2.1 0.55 999.0 HEAT CONTENT (KJ/CM2) : 28.8 2.7 to 103.4 0.26 999.0 %area of TPW <45 mm upshear : 56.1 49.8 to 0.0 0.00 0.0 2nd PC OF IR BR TEMP : -0.9 2.2 to -2.3 0.70 999.0 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: 1.0% 0.0% 0.0% 1.0% 1.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP172023 NORMA 10/22/23 00 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) ##