* GFS version * * EAST PACIFIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * INVEST EP912021 08/01/21 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 25 25 25 24 25 25 23 21 21 21 22 23 24 24 25 25 25 V (KT) LAND 25 25 25 24 25 25 23 21 21 21 22 23 24 24 25 25 25 V (KT) LGEM 25 25 24 24 23 21 18 16 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) 21 19 14 12 11 12 20 23 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 4 2 5 7 3 6 0 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 29 17 21 29 29 40 54 64 N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 28.8 28.4 28.1 27.5 27.2 26.4 25.7 24.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 154 150 146 140 136 128 120 106 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -53.0 -52.7 -52.3 -52.3 -52.5 -52.1 -52.2 -52.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.4 0.3 0.2 0.2 0.1 0.0 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) 5 6 5 4 3 2 1 1 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 75 74 73 73 73 69 69 65 N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 11 11 11 10 10 9 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR -23 -16 -12 10 19 21 11 -9 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 8 -1 14 39 62 30 5 -20 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 0 -2 -5 -6 -4 -8 -11 -27 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 606 623 585 597 637 721 826 954 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 16.7 xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x xx.x LONG(DEG W) 110.0 xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x xxx.x STM SPEED (KT) 13 13 12 12 11 12 10 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 14 10 8 4 2 0 0 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A FORECAST TRACK FROM OFPI INITIAL HEADING/SPEED (DEG/KT):310/ 12 CX,CY: -8/ 8 T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 645 (MEAN=587) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 26.6 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 51.0 (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. 0. 1. 1. 1. 2. 1. 1. 0. -0. -1. -2. -2. -3. -4. -4. SST POTENTIAL -0. -0. 0. 2. 6. 11. 16. 21. 24. 26. 28. 28. 28. 28. 29. 30. VERTICAL SHEAR MAG 1. 2. 3. 3. 4. 3. -1. -5. -8. -10. -10. -11. -10. -11. -13. -14. VERTICAL SHEAR ADJ -0. -1. -1. -1. -2. -3. -2. -1. -1. -0. -0. -0. -0. -0. -1. -1. VERTICAL SHEAR DIR 0. 0. 0. 0. -0. -1. -1. -2. -2. -2. -2. -2. -2. -2. -2. -2. PERSISTENCE -0. -0. -0. -1. -1. -1. -0. -0. -0. -0. -0. -0. -0. -0. -0. -0. 200/250 MB TEMP. 0. -0. -0. -0. -1. -1. -1. -1. -2. -2. -2. -3. -3. -3. -3. -3. THETA_E EXCESS -0. -0. -0. -1. -2. -4. -6. -7. -8. -8. -9. -9. -9. -9. -11. -12. 700-500 MB RH 0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 1. 2. 2. 3. 4. MODEL VTX TENDENCY 0. 0. -0. -1. -1. -4. -5. -6. -6. -6. -5. -5. -5. -4. -4. -3. 850 MB ENV VORTICITY -0. -0. -0. -0. -0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 1. 200 MB DIVERGENCE -0. -0. -0. -0. -0. -1. -1. -2. -2. -2. -2. -2. -1. -0. 0. 1. 850-700 T ADVEC 0. 0. 0. 0. 0. -0. -0. -0. -0. -0. -1. -1. -1. -2. -2. -3. ZONAL STORM MOTION 0. 0. 0. 0. 0. 1. 1. 1. 0. 0. 0. 0. 0. 0. 0. -0. STEERING LEVEL PRES 0. 0. 0. 1. 1. 1. 1. 1. 1. 2. 2. 2. 1. 1. 1. 0. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. GOES PREDICTORS -0. -1. -1. -1. -1. -2. -3. -3. -4. -4. -5. -5. -5. -5. -4. -3. OCEAN HEAT CONTENT -0. -0. -0. -0. -0. -1. -1. -1. -0. -0. 0. 1. 1. 2. 3. 5. RI POTENTIAL -0. -1. -2. -3. -4. -5. -3. -1. 1. 2. 4. 4. 5. 5. 4. 4. ------------------------------------------------------------------------------ TOTAL CHANGE 0. -0. -0. -0. -0. -2. -4. -4. -4. -3. -2. -1. -1. 0. -0. -0. CURRENT MAX WIND (KT): 25. LAT, LON: 16.7 110.0 ** 2021 E. Pacific RI INDEX EP912021 INVEST 08/01/21 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) : 120.2 40.5 to 149.3 0.73 3.6 12 HR PERSISTENCE (KT) : 0.0 -22.0 to 44.0 0.33 1.9 D200 (10**7s-1) : 24.4 -33.0 to 159.5 0.30 1.4 850-200 MB SHEAR (KT) : 15.4 19.6 to 1.3 0.23 1.0 MAXIMUM WIND (KT) : 25.0 22.5 to 132.0 0.07 0.2 STD DEV OF IR BR TEMP : 26.6 37.8 to 2.1 0.31 1.0 BL DRY-AIR FLUX (W/M2) : 81.6 800.8 to -82.5 0.81 -2.8 HEAT CONTENT (KJ/CM2) : 7.6 2.7 to 106.7 0.05 0.1 %area of TPW <45 mm upshear : 0.0 56.6 to 0.0 1.00 1.0 2nd PC OF IR BR TEMP : -1.5 2.2 to -2.3 0.81 0.4 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= 8% is 0.6 times climatological mean (12.5%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 8% is 0.9 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= 8% is 1.2 times climatological mean ( 6.7%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 8% is 1.4 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% 7.8% 7.7% 0.0% 0.0% 8.3% 8.0% 0.0% Logistic: 0.1% 0.5% 0.1% 0.0% 0.0% 0.0% 0.0% 0.1% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 0.0% 2.8% 2.6% 0.0% 0.0% 2.8% 2.7% 0.0% DTOPS: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP912021 INVEST 08/01/21 12 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=5 NFAIL=2 ## ## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ##