* ATLANTIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * MARIA AL152017 09/30/17 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 50 51 52 53 53 47 23 17 N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LAND 50 51 52 53 53 47 23 17 N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LGEM 50 50 51 51 51 43 32 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 EXTP EXTP N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 7 12 16 18 19 29 62 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 0 2 5 17 23 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 278 277 284 277 275 231 237 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 26.0 25.3 24.3 23.3 22.2 17.9 15.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 120 113 106 100 94 80 76 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A ADJ. POT. INT. 110 104 97 91 87 76 72 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -51.1 -51.2 -51.4 -51.2 -51.3 -52.0 -51.6 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 0.2 -0.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 3 2 1 0 0 0 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 40 39 42 39 39 31 23 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 25 25 26 26 27 27 15 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 45 30 35 14 -1 -42 -70 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 59 45 42 52 10 -8 -17 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 19 -6 -7 -8 -34 -39 -41 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 916 842 801 853 997 1450 1195 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 38.1 39.2 40.2 41.5 42.7 45.7 48.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 55.6 52.2 48.8 45.3 41.8 34.0 26.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 28 28 29 29 30 31 30 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): 75/ 27 CX,CY: 26/ 7 T-12 MAX WIND: 50 PRESSURE OF STEERING LEVEL (MB): 598 (MEAN=620) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 14.3 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 63.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 2.9 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 0. 0. -0. -1. -3. -4. -5. -6. -7. -8. -10. -12. -14. -15. -17. -18. VERTICAL SHEAR MAG 1. 2. 3. 3. 4. -0. -4. -7. -9. -13. -16. -19. -24. -27. -28. -29. VERTICAL SHEAR ADJ 0. 0. 0. -0. -2. -7. -8. -9. -8. -8. -7. -7. -6. -6. -5. -4. VERTICAL SHEAR DIR 0. 0. 1. 1. 2. 4. 5. 6. 7. 7. 8. 9. 10. 10. 10. 10. PERSISTENCE -0. -1. -1. -1. -0. -0. -0. -0. -0. 0. 0. 0. -0. -0. -1. -0. 200/250 MB TEMP. -0. -1. -1. -2. -3. -3. -3. -3. -4. -4. -4. -5. -5. -5. -4. -4. THETA_E EXCESS -0. -1. -1. -2. -3. -4. -4. -4. -4. -3. -1. -0. 0. 1. 3. 4. 700-500 MB RH 0. 0. 1. 1. 2. 4. 5. 5. 6. 7. 7. 7. 8. 8. 9. 8. MODEL VTX TENDENCY -0. -0. 0. 1. 0. -13. -16. -18. -19. -20. -21. -22. -21. -21. -20. -20. 850 MB ENV VORTICITY 0. 0. 0. -0. -0. -1. -1. -2. -2. -2. -2. -3. -3. -3. -3. -3. 200 MB DIVERGENCE 0. 0. 0. 0. -0. -1. -1. -1. -1. -1. -0. 0. 0. 0. 1. 1. 850-700 T ADVEC -0. -0. -0. -0. -1. -2. -3. -3. -2. -1. -0. -0. -0. -0. -0. -0. ZONAL STORM MOTION 0. 0. -0. -1. -2. -3. -3. -4. -6. -9. -11. -12. -13. -13. -14. -15. STEERING LEVEL PRES 0. 0. 0. 0. 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. 0. 0. 0. 0. 0. 0. 0. GOES PREDICTORS 0. 0. 0. 0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -0. OCEAN HEAT CONTENT 0. 0. 0. 0. 0. 0. -0. -0. -0. -0. -0. -0. -0. -0. -0. -0. RI POTENTIAL -0. -1. -1. -2. -3. -3. -2. -1. -0. 1. 1. 2. 3. 3. 3. 3. ------------------------------------------------------------------------------ TOTAL CHANGE 1. 2. 3. 3. -3. -27. -33. -37. -39. -43. -45. -49. -53. -53. -53. -52. CURRENT MAX WIND (KT): 50. LAT, LON: 38.1 55.6 ** 2022 ATLANTIC RI INDEX AL152017 MARIA 09/30/17 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) : 0.0 -45.0 to 30.0 0.60 3.4 850-200 MB SHEAR (KT) : 14.3 25.9 to 2.2 0.49 1.3 HEAT CONTENT (KJ/CM2) : 0.0 0.0 to 147.0 0.00 0.0 STD DEV OF IR BR TEMP : 14.3 33.3 to 3.1 0.63 1.4 MAXIMUM WIND (KT) : 50.0 25.0 to 125.0 0.70 1.3 2nd PC OF IR BR TEMP : -0.6 2.6 to -2.7 0.60 0.8 BL DRY-AIR FLUX (W/M2) : 374.4 814.0 to -65.0 0.50 0.8 POT = MPI-VMAX (KT) : 47.8 30.0 to 128.0 0.18 0.1 D200 (10**7s-1) : 41.6 -28.0 to 171.0 0.35 0.4 %area of TPW <45 mm upshear : 74.3 95.0 to 0.0 0.22 0.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 6% is 1.2 times climatological mean ( 4.9%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 14% is 1.3 times climatological mean (10.9%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 10% is 1.4 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= 0% is 0.0 times climatological mean ( 4.6%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 0% is 0.0 times climatological mean ( 4.7%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 0% is 0.0 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: 5.7% 14.1% 9.5% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 1.5% 2.1% 2.2% 0.3% 0.0% 0.0% 0.0% 0.0% Bayesian: 0.3% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 2.5% 5.4% 3.9% 0.1% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) AL152017 MARIA 09/30/17 00 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) ## ** PROBLTY OF AT LEAST 1 SCNDRY EYEWL FORMTN EVENT AL152017 MARIA 09/30/2017 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) 50 51 52 53 53 47 23 17 DIS DIS DIS DIS DIS DIS DIS DIS DIS 18HR AGO 50 49 50 51 51 45 21 15 DIS DIS DIS DIS DIS DIS DIS DIS DIS 12HR AGO 50 47 46 47 47 41 17 DIS DIS DIS DIS DIS DIS DIS DIS DIS DIS 6HR AGO 50 44 41 40 40 34 DIS DIS DIS DIS DIS 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