* GFS version * * EAST PACIFIC 2023 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * KENNETH EP132023 09/22/23 12 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 28 25 23 19 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 28 25 23 19 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 27 24 20 17 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 TROP EXTP EXTP EXTP N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 27 31 38 44 43 45 56 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 4 4 3 1 0 0 -7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 238 221 209 213 221 248 270 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 24.9 24.3 24.1 24.0 23.6 23.4 22.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 112 105 103 101 96 94 89 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -52.3 -52.4 -52.2 -52.4 -52.7 -52.8 -53.2 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 0.3 0.2 0.2 0.4 0.1 0.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 3 3 2 2 2 1 1 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 36 32 29 26 23 21 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 11 10 9 8 5 3 2 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 2 4 -6 -12 -28 -47 -59 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 25 42 32 24 29 -3 -30 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 18 18 14 16 10 10 19 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 1407 1344 1284 1253 1226 1284 1416 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 20.0 20.9 21.7 22.4 23.0 23.5 23.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 125.9 125.9 125.8 125.9 126.0 126.9 128.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 10 9 7 7 5 6 6 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): 5/ 10 CX,CY: 1/ 10 T-12 MAX WIND: 35 PRESSURE OF STEERING LEVEL (MB): 660 (MEAN=588) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 5.4 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 3.0 (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. -1. -2. -4. -6. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR MAG 1. 2. 4. 5. 8. 9. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR ADJ -0. -1. -1. -1. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR -0. -0. -0. 0. 1. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. PERSISTENCE -1. -2. -2. -3. -2. -2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 200/250 MB TEMP. -0. -0. 0. 0. 2. 3. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. THETA_E EXCESS -0. -1. -1. -2. -4. -6. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 700-500 MB RH -0. -0. -1. -2. -3. -3. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. MODEL VTX TENDENCY -0. -1. -2. -5. -6. -9. 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. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 850-700 T ADVEC -0. -0. -1. -1. -1. -1. 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. 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. -1. -1. -3. -6. 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 -2. -5. -7. -11. -16. -21. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. CURRENT MAX WIND (KT): 30. LAT, LON: 20.0 125.9 ** 2023 E. PACIFIC RI INDEX EP132023 KENNETH 09/22/23 12 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) : 73.4 36.9 to 148.5 0.33 999.0 12 HR PERSISTENCE (KT) : -5.0 -22.0 to 44.0 0.26 999.0 MULTI-LAYER SHEAR (KT) : 48.8 30.9 to 7.7 0.00 0.0 BL DRY-AIR FLUX (W/M2) : 270.6 816.2 to -81.4 0.61 999.0 D200 (10**7s-1) : 30.4 -33.0 to 159.5 0.33 999.0 MAXIMUM WIND (KT) : 30.0 22.5 to 132.0 0.21 999.0 STD DEV OF IR BR TEMP : 5.4 37.8 to 2.1 0.91 999.0 HEAT CONTENT (KJ/CM2) : 0.0 2.7 to 103.4 0.00 0.0 %area of TPW <45 mm upshear : 83.7 49.8 to 0.0 0.00 0.0 2nd PC OF IR BR TEMP : -0.1 2.2 to -2.3 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= 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: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP132023 KENNETH 09/22/23 12 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) ##