* ATLANTIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * SEVEN AL072019 09/03/19 18 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 132 144 156 168 V (KT) NO LAND 35 36 37 37 37 37 36 38 41 43 45 47 49 51 52 55 56 V (KT) LAND 35 36 37 37 37 31 28 27 27 27 27 27 27 27 27 27 27 V (KT) LGEM 35 37 38 39 38 31 28 27 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 TROP N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 20 13 14 15 13 7 7 18 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 0 4 -1 -3 2 -3 0 1 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 107 105 94 89 102 71 20 328 N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 30.6 30.6 30.6 30.3 29.7 28.4 28.2 28.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 170 169 169 169 162 140 138 140 N/A N/A N/A N/A N/A N/A N/A N/A N/A ADJ. POT. INT. 160 158 158 152 142 121 119 121 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -51.9 -51.4 -51.7 -51.7 -51.5 -51.5 -51.8 -52.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) -0.2 0.1 0.2 0.2 0.1 0.1 -0.1 0.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 9 11 9 8 11 11 12 11 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 64 64 64 67 66 64 61 56 N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 15 15 15 13 13 8 4 3 LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 24 16 18 14 6 -15 -29 -24 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 6 16 20 19 15 19 7 18 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 5 5 0 -1 1 -2 4 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 235 184 133 82 31 -61 -169 -280 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 23.4 23.4 23.4 23.6 23.8 24.3 25.1 25.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 95.5 96.0 96.5 97.0 97.5 98.4 99.3 100.2 N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 6 5 5 5 5 5 6 5 N/A N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 73 78 77 61 39 19 7 4 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):260/ 7 CX,CY: -6/ 0 T-12 MAX WIND: 30 PRESSURE OF STEERING LEVEL (MB): 614 (MEAN=620) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 23.4 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 64.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 2.3 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. 4. 8. 13. 17. 21. 24. 26. 29. 31. 31. 32. 31. VERTICAL SHEAR MAG 1. 2. 2. 3. 5. 6. 5. 5. 4. 3. 3. 2. 2. 1. 1. 2. VERTICAL SHEAR ADJ -0. -0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. VERTICAL SHEAR DIR 0. 0. 0. 0. 1. 1. 1. 1. 2. 2. 2. 2. 2. 2. 2. 2. PERSISTENCE 1. 1. 1. 1. 1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 200/250 MB TEMP. -1. -1. -2. -2. -3. -3. -3. -3. -3. -3. -3. -4. -4. -3. -2. -2. THETA_E EXCESS 0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 0. 0. -0. -0. -1. -1. 700-500 MB RH -0. -0. -0. -1. -1. -2. -2. -3. -4. -4. -4. -4. -5. -5. -6. -5. MODEL VTX TENDENCY -0. -0. -1. -2. -7. -14. -18. -20. -22. -23. -24. -24. -24. -23. -23. -22. 850 MB ENV VORTICITY -0. -0. -0. -0. -0. -1. -1. -1. -2. -2. -2. -2. -2. -2. -3. -3. 200 MB DIVERGENCE -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -0. 0. 0. 1. 1. 1. 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. 0. 0. 0. 0. 0. 0. 0. 0. 0. -0. -0. -0. -0. 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. -1. -1. -1. GOES PREDICTORS 0. 0. 0. 0. -0. -0. -0. -0. -0. -0. -0. -0. -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. 2. 2. 3. 3. 3. 3. ------------------------------------------------------------------------------ TOTAL CHANGE 1. 2. 2. 2. 2. 1. 3. 6. 8. 10. 12. 14. 16. 17. 20. 21. CURRENT MAX WIND (KT): 35. LAT, LON: 23.4 95.5 ** 2022 ATLANTIC RI INDEX AL072019 SEVEN 09/03/19 18 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 0.66 3.9 850-200 MB SHEAR (KT) : 15.1 28.5 to 2.0 0.51 1.3 HEAT CONTENT (KJ/CM2) : 65.6 0.0 to 161.7 0.41 1.1 STD DEV OF IR BR TEMP : 23.4 36.6 to 2.8 0.39 0.9 MAXIMUM WIND (KT) : 35.0 22.5 to 137.5 0.33 0.6 BL DRY-AIR FLUX (W/M2) : 72.6 895.4 to -71.5 0.85 1.4 POT = MPI-VMAX (KT) : 118.8 27.0 to 140.8 0.81 0.7 2nd PC OF IR BR TEMP : 0.9 2.9 to -3.0 0.34 0.4 D200 (10**7s-1) : 15.2 -30.8 to 188.1 0.21 0.2 %area of TPW <45 mm upshear : 0.0 104.5 to 0.0 1.00 0.1 SHIPS Prob RI for 20kt/ 12hr RI threshold= 7% is 1.4 times climatological mean ( 4.9%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 17% is 1.5 times climatological mean (10.9%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 11% is 1.5 times climatological mean ( 6.8%) SHIPS Prob RI for 35kt/ 24hr RI threshold= 7% is 1.9 times climatological mean ( 3.9%) SHIPS Prob RI for 40kt/ 24hr RI threshold= 6% is 2.7 times climatological mean ( 2.4%) SHIPS Prob RI for 45kt/ 36hr RI threshold= 9% is 2.0 times climatological mean ( 4.6%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 12% is 2.5 times climatological mean ( 4.7%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 14% is 2.7 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: 6.7% 16.9% 10.5% 7.3% 6.5% 9.2% 11.8% 14.5% Logistic: 4.1% 8.9% 5.1% 3.7% 1.5% 9.5% 16.7% 10.8% Bayesian: 0.9% 4.9% 1.7% 0.6% 0.1% 1.8% 2.0% 12.4% Consensus: 3.9% 10.2% 5.8% 3.9% 2.7% 6.8% 10.2% 12.5% ## ANNULAR HURRICANE INDEX (AHI) AL072019 SEVEN 09/03/19 18 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) ## ** PROBLTY OF AT LEAST 1 SCNDRY EYEWL FORMTN EVENT AL072019 SEVEN 09/03/2019 18 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) 35 36 37 37 37 31 28 27 27 27 27 27 27 27 27 27 27 18HR AGO 35 34 35 35 35 29 26 25 25 25 25 25 25 25 25 25 25 12HR AGO 35 32 31 31 31 25 22 21 21 21 21 21 21 21 21 21 21 6HR AGO 35 29 26 25 25 19 16 15 15 15 15 15 15 15 15 15 15 NOW CURRENT INTENSITY < 83 KT IN 6HR INTENSITY IN 6HR < 83 KT IN 12HR INTENSITY IN 12HR < 83 KT