* GFS version * * EAST PACIFIC 2023 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * CALVIN EP032023 07/19/23 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 50 49 48 45 43 39 36 33 N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LAND 50 49 48 45 43 39 36 33 N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LGEM 50 51 51 49 47 43 39 36 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 TROP N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 12 13 14 17 19 34 48 57 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 12 9 7 7 10 4 0 -11 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 147 159 196 218 242 265 264 266 N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 25.5 25.8 26.4 26.7 27.0 26.9 27.1 27.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 121 124 130 134 137 136 138 137 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -52.1 -52.3 -52.7 -52.9 -53.3 -53.4 -53.7 -54.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.0 0.0 0.1 0.4 0.0 -0.3 0.0 0.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 6 6 6 6 6 7 8 9 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 38 37 36 37 35 32 31 31 N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 13 12 10 8 7 5 5 4 LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 2 0 -4 -3 -8 -17 -23 -26 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 36 46 20 -2 3 2 26 3 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 6 6 17 3 -8 -6 -4 -10 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 323 159 77 234 322 447 783 1137 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 17.8 18.1 18.4 18.7 18.9 19.3 19.6 19.9 N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 152.3 154.3 156.2 158.0 159.9 163.6 167.4 171.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 19 19 18 18 18 18 17 17 N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 0 0 2 4 12 7 7 7 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):275/ 18 CX,CY: -17/ 2 T-12 MAX WIND: 40 PRESSURE OF STEERING LEVEL (MB): 720 (MEAN=588) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 22.1 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 35.0 (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. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. SST POTENTIAL 1. 2. 3. 4. 5. 6. 8. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR MAG 0. 0. 0. 0. -1. -4. -10. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR ADJ -1. -1. -2. -3. -5. -5. -3. 0. 0. 0. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR -0. -0. -0. -1. -1. -2. -2. 0. 0. 0. 0. 0. 0. 0. 0. 0. PERSISTENCE 2. 3. 3. 3. 3. 2. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 200/250 MB TEMP. -0. -0. 1. 1. 2. 3. 5. 0. 0. 0. 0. 0. 0. 0. 0. 0. THETA_E EXCESS -0. -0. -0. -0. 0. 1. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 700-500 MB RH -0. -0. -1. -1. -2. -3. -3. 0. 0. 0. 0. 0. 0. 0. 0. 0. MODEL VTX TENDENCY -0. -2. -3. -5. -6. -8. -11. 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. -1. 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. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. STEERING LEVEL PRES 0. 0. 1. 1. 2. 2. 2. 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. -3. -3. -3. -3. -4. -5. 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. -3. 0. 0. 0. 0. 0. 0. 0. 0. 0. -------------------------------------------------------------------------------------------- TOTAL CHANGE -1. -2. -5. -7. -11. -14. -17. 0. 0. 0. 0. 0. 0. 0. 0. 0. CURRENT MAX WIND (KT): 50. LAT, LON: 17.8 152.3 ** 2023 E. PACIFIC RI INDEX EP032023 CALVIN 07/19/23 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) : 79.3 36.9 to 148.5 0.38 999.0 12 HR PERSISTENCE (KT) : 10.0 -22.0 to 44.0 0.48 999.0 MULTI-LAYER SHEAR (KT) : 33.2 30.9 to 7.7 0.00 0.0 BL DRY-AIR FLUX (W/M2) : 485.8 816.2 to -81.4 0.37 999.0 D200 (10**7s-1) : 20.6 -33.0 to 159.5 0.28 999.0 MAXIMUM WIND (KT) : 50.0 22.5 to 132.0 0.79 999.0 STD DEV OF IR BR TEMP : 22.1 37.8 to 2.1 0.44 999.0 HEAT CONTENT (KJ/CM2) : 3.6 2.7 to 103.4 0.01 999.0 %area of TPW <45 mm upshear : 26.1 49.8 to 0.0 0.48 999.0 2nd PC OF IR BR TEMP : 0.6 2.2 to -2.3 0.35 999.0 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= 12% is 1.0 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% 12.3% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.4% 0.3% 0.4% 0.1% 0.0% 0.1% 0.0% 0.0% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 0.1% 4.2% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% DTOPS: 2.0% 1.0% 1.0% 2.0% 2.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP032023 CALVIN 07/19/23 00 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) ##