* GFS version * * EAST PACIFIC 2020 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * FOUR EP042020 06/30/20 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 30 30 30 29 27 22 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 30 30 29 27 22 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 31 31 30 28 24 19 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 16 17 18 21 29 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 0 0 -1 -3 0 -1 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 224 218 220 214 195 177 171 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 24.7 24.1 24.0 24.0 24.0 23.7 23.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 108 102 100 99 99 96 88 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 -52.5 -52.5 -52.8 -52.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.6 0.5 0.4 0.4 0.4 0.4 0.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 5 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 64 60 59 56 54 51 41 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 13 13 13 12 11 10 7 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR -20 -24 -24 -7 -4 4 15 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 31 18 9 14 11 -1 23 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 0 -1 0 3 0 -1 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 379 383 396 400 391 376 379 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 20.4 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) 112.5 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) 6 6 4 3 3 2 2 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 OFPI INITIAL HEADING/SPEED (DEG/KT):320/ 6 CX,CY: -3/ 5 T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 658 (MEAN=587) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 24.5 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 34.0 (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. -3. -4. -4. -5. SST POTENTIAL 0. 0. 0. 0. 1. 4. 6. 8. 10. 11. 10. 7. 4. 2. 0. -1. VERTICAL SHEAR MAG 1. 2. 3. 3. 4. 1. -3. -8. -12. -15. -16. -16. -16. -17. -19. -20. VERTICAL SHEAR ADJ 0. 0. 0. 1. 1. 1. 1. 1. 0. 0. -0. -0. -0. -0. 0. 0. VERTICAL SHEAR DIR -0. -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. PERSISTENCE 1. 1. 1. 2. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 200/250 MB TEMP. -0. -0. -0. -0. -0. -0. 0. 0. 1. 1. 1. 1. 1. 2. 2. 2. THETA_E EXCESS -0. -1. -1. -2. -4. -6. -7. -9. -10. -10. -11. -11. -11. -11. -12. -13. 700-500 MB RH -0. -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. MODEL VTX TENDENCY 0. -0. -0. -1. -2. -6. -8. -9. -9. -9. -8. -8. -7. -6. -6. -5. 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. -0. -1. -1. -2. -2. -3. -3. -3. -2. -2. -1. -1. -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. -1. -1. -1. -2. -1. -1. -1. -1. -1. -1. -1. -0. 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. -2. -2. -2. -2. -3. -3. -3. -4. GOES PREDICTORS -1. -2. -2. -2. -3. -3. -5. -5. -6. -6. -8. -8. -8. -7. -6. -5. OCEAN HEAT CONTENT 0. -0. -0. -0. -0. -1. -2. -1. -1. -1. -0. 0. 1. 2. 3. 5. RI POTENTIAL -0. -1. -2. -3. -4. -5. -3. -1. 1. 2. 4. 4. 5. 5. 5. 5. ------------------------------------------------------------------------------ TOTAL CHANGE 0. -0. -1. -3. -8. -16. -21. -26. -29. -32. -34. -35. -37. -38. -40. -41. CURRENT MAX WIND (KT): 30. LAT, LON: 20.4 112.5 ** 2020 E. Pacific RI INDEX EP042020 FOUR 06/30/20 00 UTC ** (SHIPS-RII PREDICTOR TABLE for 30 KT OR MOREMAXIMUM WIND INCREASE IN NEXT 24-h) Predictor Value RI Predictor Range Scaled Value(0-1) % Contribution POT = MPI-VMAX (KT) : 71.7 40.5 to 149.3 0.29 999.0 12 HR PERSISTENCE (KT) : 5.0 -22.0 to 44.0 0.41 999.0 850-200 MB SHEAR (KT) : 15.4 19.6 to 1.4 0.23 999.0 D200 (10**7s-1) : 16.6 -33.0 to 160.6 0.26 999.0 MAXIMUM WIND (KT) : 30.0 22.5 to 132.0 0.21 999.0 STD DEV OF IR BR TEMP : 24.5 37.8 to 2.1 0.37 999.0 HEAT CONTENT (KJ/CM2) : 0.0 2.7 to 106.7 0.00 0.0 BL DRY-AIR FLUX (W/M2) : 167.6 800.8 to -82.5 0.72 999.0 %area of TPW <45 mm upshear : 0.0 56.6 to 0.0 1.00 999.0 2nd PC OF IR BR TEMP : 1.8 2.2 to -1.9 0.10 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 2% is 0.3 times climatological mean ( 6.3%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 4% is 0.3 times climatological mean (12.6%) 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: 1.8% 3.8% 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: 0.6% 1.3% 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% 4.0% ## ANNULAR HURRICANE INDEX (AHI) EP042020 FOUR 06/30/20 00 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) ##