* EAST PACIFIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * FOUR EP042020 06/30/20 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 23 22 20 18 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 25 23 22 20 18 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 25 23 21 19 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 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) 13 14 14 18 20 25 22 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) -2 -4 0 1 -1 -1 -3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 215 206 183 167 163 165 174 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 24.2 24.1 24.0 24.0 24.0 24.0 24.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 101 100 98 98 98 98 98 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 -52.3 -52.4 -52.4 -52.6 -52.7 -52.9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.5 0.5 0.5 0.4 0.4 0.3 0.2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 4 3 3 2 2 2 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 61 59 55 52 53 44 45 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 13 12 11 10 9 7 6 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR -25 -18 -9 -6 -7 10 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 2 13 14 4 -3 31 28 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 0 2 0 0 0 1 -2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 394 395 398 403 408 404 387 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 20.6 20.8 20.9 21.0 21.0 21.3 21.6 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 112.9 113.1 113.2 113.3 113.4 113.6 113.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 3 2 1 1 1 2 1 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):315/ 3 CX,CY: -1/ 2 T-12 MAX WIND: 30 PRESSURE OF STEERING LEVEL (MB): 657 (MEAN=587) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 4.3 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 0.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 0.2 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. 0. 2. 5. 9. 11. 13. 14. 13. 10. 7. 4. 3. 2. VERTICAL SHEAR MAG 1. 2. 3. 4. 4. 2. -2. -8. -12. -15. -16. -16. -16. -18. -21. -22. VERTICAL SHEAR ADJ 0. 0. 0. 1. 1. 1. 1. 1. 1. 0. 0. 0. 0. 0. 0. 1. VERTICAL SHEAR DIR -0. -0. -0. -0. -1. -1. -2. -2. -2. -2. -2. -2. -2. -2. -2. -2. PERSISTENCE -1. -2. -2. -3. -2. -2. -2. -2. -1. -1. -1. -2. -1. -1. -1. -1. 200/250 MB TEMP. -0. -0. -0. -0. -0. -0. 0. 0. 1. 1. 1. 1. 1. 1. 2. 2. THETA_E EXCESS -0. -1. -1. -2. -4. -6. -7. -8. -9. -10. -10. -10. -11. -11. -13. -14. 700-500 MB RH -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -2. -2. -2. -3. MODEL VTX TENDENCY -0. -1. -2. -2. -4. -7. -8. -10. -10. -10. -9. -8. -8. -7. -6. -6. 850 MB ENV VORTICITY -0. -0. -0. -0. -0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 1. 1. 200 MB DIVERGENCE -0. -0. -0. -1. -1. -1. -2. -2. -3. -3. -2. -2. -1. -0. 0. 1. 850-700 T ADVEC -0. -0. -0. -0. -0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. ZONAL STORM MOTION -0. -0. -1. -1. -1. -2. -3. -2. -2. -2. -2. -2. -1. -1. -1. 0. STEERING LEVEL PRES 0. 0. 0. 1. 1. 1. 1. 1. 2. 2. 2. 2. 1. 1. 1. 0. DAYS FROM CLIM. PEAK -0. -0. -0. -0. -0. -0. -1. -1. -1. -2. -2. -2. -3. -3. -4. -4. GOES PREDICTORS -1. -1. -1. -1. -2. -5. -8. -9. -11. -12. -14. -14. -15. -14. -12. -12. OCEAN HEAT CONTENT -0. -0. -0. -0. -0. -1. -2. -1. -1. -0. 0. 1. 2. 3. 4. 6. RI POTENTIAL -0. -1. -2. -3. -4. -4. -3. -1. 1. 2. 4. 4. 4. 4. 4. 4. ------------------------------------------------------------------------------ TOTAL CHANGE -2. -3. -5. -7. -13. -20. -26. -31. -35. -38. -41. -43. -46. -47. -48. -51. CURRENT MAX WIND (KT): 25. LAT, LON: 20.6 112.9 ** 2022 E. PACIFIC RI INDEX EP042020 FOUR 06/30/20 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) : 73.9 30.0 to 135.0 0.42 999.0 12 HR PERSISTENCE (KT) : -5.0 -20.0 to 40.0 0.25 999.0 850-200 MB SHEAR (KT) : 15.8 17.2 to 1.6 0.09 999.0 D200 (10**7s-1) : 6.0 -30.0 to 145.0 0.21 999.0 BL DRY-AIR FLUX (W/M2) : 151.4 742.0 to -74.0 0.72 999.0 MAXIMUM WIND (KT) : 25.0 25.0 to 120.0 0.00 0.0 STD DEV OF IR BR TEMP : 4.3 34.4 to 2.3 0.94 999.0 HEAT CONTENT (KJ/CM2) : 0.0 3.0 to 94.0 0.00 0.0 %area of TPW <45 mm upshear : 0.0 56.6 to 0.0 1.00 999.0 2nd PC OF IR BR TEMP : 0.7 2.0 to -2.0 0.32 999.0 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= 10% is 0.8 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% 9.5% 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% 3.2% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP042020 FOUR 06/30/20 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) ##