* ATLANTIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * EPSILON AL272020 10/26/20 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 60 59 55 54 52 49 45 43 41 40 37 35 32 29 27 27 27 V (KT) LAND 60 59 55 54 52 49 45 43 41 40 37 35 32 29 27 27 27 V (KT) LGEM 60 58 55 N/A N/A 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 EXTP EXTP EXTP N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 13 21 20 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 8 5 11 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 208 195 201 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 16.9 14.5 11.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 80 77 74 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A ADJ. POT. INT. 77 74 72 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -56.3 -55.2 -53.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 1.2 0.6 0.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 0 0 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 50 52 57 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 37 36 34 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 172 205 272 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 92 76 58 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 0 -56 -2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 865 1231 1415 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 47.3 49.7 52.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 41.3 36.1 31.0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 41 41 40 N/A N/A N/A N/A 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 N/A N/A N/A N/A 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): 60/ 40 CX,CY: 35/ 20 T-12 MAX WIND: 65 PRESSURE OF STEERING LEVEL (MB): 653 (MEAN=620) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 17.3 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 60.0 (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 1. 2. 3. 4. 6. 8. 9. 10. 11. 12. 12. 13. 14. 15. 15. 16. SST POTENTIAL -2. -5. -7. -9. -11. -14. -18. -22. -25. -28. -31. -34. -37. -38. -40. -41. VERTICAL SHEAR MAG 1. 1. 2. 2. 2. 2. 1. -0. -0. -2. -4. -6. -9. -11. -11. -11. VERTICAL SHEAR ADJ -0. -1. -2. -2. -4. -6. -7. -8. -7. -7. -6. -6. -5. -5. -5. -3. VERTICAL SHEAR DIR 0. 0. 1. 1. 2. 3. 5. 6. 6. 7. 7. 8. 9. 10. 9. 9. PERSISTENCE -1. -2. -2. -2. -1. -1. -1. -1. -0. 0. 0. 0. -0. -1. -1. -1. 200/250 MB TEMP. 1. 1. 2. 3. 3. 4. 5. 6. 7. 7. 8. 8. 9. 8. 7. 7. THETA_E EXCESS -0. -1. -2. -2. -4. -4. -5. -5. -4. -3. -1. -1. 0. 1. 3. 5. 700-500 MB RH 0. 0. 0. 0. 0. 0. 0. 0. -0. -0. -0. -0. -0. -1. -1. -1. MODEL VTX TENDENCY -0. -1. -2. -3. -3. -5. -6. -7. -8. -9. -10. -11. -11. -11. -11. -11. 850 MB ENV VORTICITY 1. 1. 2. 3. 4. 6. 8. 9. 10. 11. 12. 13. 14. 15. 17. 18. 200 MB DIVERGENCE 0. 0. 1. 1. 2. 2. 2. 2. 3. 2. 1. -0. -1. -2. -2. -4. 850-700 T ADVEC 0. -0. -0. -0. -1. -2. -2. -2. -2. -1. -0. -0. -0. -0. -0. -0. ZONAL STORM MOTION 0. 0. -0. -1. -2. -3. -4. -5. -8. -11. -14. -15. -16. -17. -18. -19. STEERING LEVEL PRES -0. -0. -0. -0. -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. DAYS FROM CLIM. PEAK -0. 0. 0. 0. -0. -0. -0. -0. -0. 0. 0. 0. 1. 2. 2. 2. GOES PREDICTORS -0. -0. -0. -0. -0. -0. -0. -0. 0. 0. 0. -0. -1. -1. -1. -1. 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. -4. -4. -3. -2. -0. 1. 2. 3. 3. 4. 4. 4. ------------------------------------------------------------------------------ TOTAL CHANGE -1. -5. -6. -8. -11. -15. -17. -19. -20. -23. -25. -28. -31. -33. -33. -33. CURRENT MAX WIND (KT): 60. LAT, LON: 47.3 41.3 ** 2022 ATLANTIC RI INDEX AL272020 EPSILON 10/26/20 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 12 HR PERSISTENCE (KT) : -5.0 -49.5 to 33.0 0.54 999.0 850-200 MB SHEAR (KT) : 17.8 28.5 to 2.0 0.40 999.0 HEAT CONTENT (KJ/CM2) : 0.0 0.0 to 161.7 0.00 0.0 STD DEV OF IR BR TEMP : 17.3 36.6 to 2.8 0.57 999.0 MAXIMUM WIND (KT) : 60.0 22.5 to 137.5 0.99 999.0 BL DRY-AIR FLUX (W/M2) : 170.0 895.4 to -71.5 0.75 999.0 POT = MPI-VMAX (KT) : 14.4 27.0 to 140.8 0.00 0.0 2nd PC OF IR BR TEMP : -1.1 2.9 to -3.0 0.68 999.0 D200 (10**7s-1) : 75.3 -30.8 to 188.1 0.48 999.0 %area of TPW <45 mm upshear : 81.8 104.5 to 0.0 0.22 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 0% is 0.0 times climatological mean ( 4.9%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 0% is 0.0 times climatological mean (10.9%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 6.8%) SHIPS Prob RI for 35kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 3.9%) SHIPS Prob RI for 40kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 2.4%) SHIPS Prob RI for 45kt/ 36hr RI threshold= 999% is 999.0 times climatological mean ( 4.6%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 999% is 999.0 times climatological mean ( 4.7%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 999% is 999.0 times climatological mean ( 5.3%) 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% 999.0% 999.0% 999.0% Logistic: 0.3% 0.1% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Consensus: 0.1% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% ## ANNULAR HURRICANE INDEX (AHI) AL272020 EPSILON 10/26/20 00 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=1 NFAIL=6 ## ## AHI= 0 (AHI OF 100 IS BEST FIT TO ANN. STRUC., 1 IS MARGINAL, 0 IS NOT ANNULAR) ## ** PROBLTY OF AT LEAST 1 SCNDRY EYEWL FORMTN EVENT AL272020 EPSILON 10/26/2020 00 UTC ** TIME(HR) 0-12 12-24(0-24) 24-36(0-36) 36-48(0-48) CLIMO(%) 0 0( 0) 0( 0) 0( 0) <-- PROB BASED ON INTENSITY ONLY PROB(%) 0 0( 0) 0( 0) 0( 0) <-- FULL MODEL PROB (RAN NORMALLY) ** DSHIPS INTENSITY FORECAST ADJUSTED RELATIVE TO ONSET OF ERC WEAKENING PHASE ** TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 132 144 156 168 >24HR AGO (DSHIPS) 60 59 55 54 52 49 45 43 41 40 37 35 32 29 27 27 27 18HR AGO 60 59 55 54 52 49 45 43 41 40 37 35 32 29 27 27 27 12HR AGO 60 57 56 55 53 50 46 44 42 41 38 36 33 30 28 28 28 6HR AGO 60 54 51 50 48 45 41 39 37 36 33 31 28 25 23 23 23 NOW CURRENT INTENSITY < 83 KT IN 6HR INTENSITY IN 6HR < 83 KT IN 12HR INTENSITY IN 12HR < 83 KT