* ATLANTIC 2019 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * REBEKAH AL192019 10/31/19 06 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 V (KT) NO LAND 40 42 42 42 41 37 27 24 24 24 22 22 21 V (KT) LAND 40 42 42 42 41 37 27 24 24 24 22 22 21 V (KT) LGEM 40 40 40 41 42 43 45 DIS DIS DIS DIS DIS DIS Storm Type EXTP EXTP EXTP EXTP EXTP EXTP EXTP N/A N/A N/A N/A N/A N/A SHEAR (KT) 19 21 16 14 18 14 36 N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 0 -2 -6 -4 -2 3 2 N/A N/A N/A N/A N/A N/A SHEAR DIR 216 216 226 251 265 326 46 N/A N/A N/A N/A N/A N/A SST (C) 19.5 19.7 20.0 20.1 19.1 20.1 21.2 N/A N/A N/A N/A N/A N/A POT. INT. (KT) 80 79 80 81 79 84 89 N/A N/A N/A N/A N/A N/A ADJ. POT. INT. 73 72 73 73 73 78 82 N/A N/A N/A N/A N/A N/A 200 MB T (C) -54.6 -55.8 -56.8 -57.8 -58.9 -59.7 -60.6 N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 3.0 2.9 2.4 1.5 0.6 0.3 -0.8 N/A N/A N/A N/A N/A N/A TH_E DEV (C) 3 2 2 2 2 2 1 N/A N/A N/A N/A N/A N/A 700-500 MB RH 51 48 41 35 30 36 40 N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 23 20 16 13 10 6 3 LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 198 156 90 30 -30 -115 -134 N/A N/A N/A N/A N/A N/A 200 MB DIV -13 -5 -18 -11 -31 -70 -65 N/A N/A N/A N/A N/A N/A 700-850 TADV -17 -7 -8 -16 -23 -13 -40 N/A N/A N/A N/A N/A N/A LAND (KM) 1497 1592 1693 1830 1797 1373 855 N/A N/A N/A N/A N/A N/A LAT (DEG N) 39.3 39.7 40.1 40.2 40.2 39.1 37.4 N/A N/A N/A N/A N/A N/A LONG(DEG W) 37.7 35.9 34.2 32.3 30.4 25.1 18.8 N/A N/A N/A N/A N/A N/A STM SPEED (KT) 17 14 14 15 17 24 26 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 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT): 65/ 20 CX,CY: 18/ 8 T-12 MAX WIND: 40 PRESSURE OF STEERING LEVEL (MB): 598 (MEAN=620) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 15.9 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 20.0 (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 ---------------------------------------------------------- SAMPLE MEAN CHANGE 1. 2. 3. 4. 6. 8. 9. 10. 11. 11. 12. 12. SST POTENTIAL -1. -3. -4. -5. -5. -4. -4. -5. -4. -4. -5. -6. VERTICAL SHEAR MAG 1. 2. 4. 5. 5. 2. -1. -5. -8. -11. -14. -16. VERTICAL SHEAR ADJ 0. 1. 1. 1. 2. 3. 4. 4. 4. 3. 3. 3. VERTICAL SHEAR DIR 0. 1. 1. 2. 3. 2. 3. 4. 4. 5. 5. 6. PERSISTENCE 0. -1. -1. -1. 0. 0. 0. 0. 0. 0. 0. 0. 200/250 MB TEMP. 2. 5. 7. 9. 12. 14. 16. 20. 23. 24. 25. 27. THETA_E EXCESS 0. -1. -1. -2. -3. -3. -4. -3. -4. -3. -2. -3. 700-500 MB RH 0. 0. 0. 1. 2. 3. 3. 4. 4. 4. 4. 4. MODEL VTX TENDENCY -1. -3. -6. -9. -14. -22. -26. -28. -30. -32. -33. -33. 850 MB ENV VORTICITY 1. 1. 1. 1. 0. -1. -1. -1. -2. -2. -2. -2. 200 MB DIVERGENCE 0. -1. -1. -1. -2. -2. -2. -2. -2. -1. 1. 3. 850-700 T ADVEC 0. 0. 0. 0. -1. -3. -3. -3. -3. -2. -1. -1. ZONAL STORM MOTION 0. 0. 0. 0. -1. -2. -3. -4. -5. -8. -10. -11. STEERING LEVEL PRES 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. GOES PREDICTORS -1. -1. -1. -2. -2. -3. -4. -4. -5. -5. -4. -5. OCEAN HEAT CONTENT 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. ---------------------------------------------------------- TOTAL CHANGE 2. 2. 2. 1. -3. -13. -16. -16. -16. -18. -18. -19. CURRENT MAX WIND (KT): 40. LAT, LON: 39.3 37.7 ** 2019 ATLANTIC RI INDEX AL192019 REBEKAH 10/31/19 06 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) : 0.0 -49.5 to 33.0 0.60 4.1 850-200 MB SHEAR (KT) : 17.6 30.1 to 2.3 0.45 1.2 HEAT CONTENT (KJ/CM2) : 0.0 0.0 to 151.8 0.00 0.0 STD DEV OF IR BR TEMP : 15.9 36.6 to 2.8 0.61 1.7 MAXIMUM WIND (KT) : 40.0 22.5 to 137.5 0.47 0.7 2nd PC OF IR BR TEMP : -0.3 2.9 to -2.9 0.55 1.0 POT = MPI-VMAX (KT) : 33.0 27.5 to 139.6 0.05 0.1 D200 (10**7s-1) : -15.6 -29.7 to 185.9 0.07 0.1 %area of TPW <45 mm upshear : 100.0 100.0 to 0.0 0.00 0.0 BL DRY-AIR FLUX (W/M2) : 235.6 895.4 to -55.0 0.69 0.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 4% is 0.8 times climatological mean ( 5.2%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 11% is 1.0 times climatological mean (10.9%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 9% is 1.3 times climatological mean ( 6.9%) SHIPS Prob RI for 35kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 3.8%) 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= 0% is 0.0 times climatological mean ( 4.5%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 0% is 0.0 times climatological mean ( 4.6%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 0% is 0.0 times climatological mean ( 5.4%) 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: 4.4% 10.8% 8.8% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.8% 1.2% 0.4% 0.0% 0.0% 0.3% 0.0% 0.0% Bayesian: 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 1.8% 4.0% 3.1% 0.0% 0.0% 0.1% 0.0% 0.0% DTOPS: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 3.0% 8.0% ## ANNULAR HURRICANE INDEX (AHI) AL192019 REBEKAH 10/31/19 06 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=2 NFAIL=5 ## ## 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 AL192019 REBEKAH 10/31/2019 06 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 >24HR AGO (DSHIPS) 40 42 42 42 41 37 27 24 24 24 22 22 21 18HR AGO 40 39 39 39 38 34 24 21 21 21 19 19 18 12HR AGO 40 37 36 36 35 31 21 18 18 18 16 16 15 6HR AGO 40 34 31 30 29 25 15 DIS DIS DIS DIS DIS DIS NOW CURRENT INTENSITY < 83 KT IN 6HR INTENSITY IN 6HR < 83 KT IN 12HR INTENSITY IN 12HR < 83 KT