* GFS version * * ATLANTIC 2020 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * TEN AL102020 08/01/20 12 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 132 144 156 168 V (KT) NO LAND 25 23 21 20 19 20 22 26 32 39 46 52 54 56 61 67 73 V (KT) LAND 25 23 21 20 19 20 22 26 32 39 46 52 54 56 61 67 73 V (KT) LGEM 25 23 22 21 21 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 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 N/A N/A SHEAR (KT) 2 3 3 2 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 SHEAR ADJ (KT) 10 12 16 16 14 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 72 150 184 229 210 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) 24.8 24.7 24.8 24.4 24.7 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) 104 104 105 102 105 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. 98 98 99 97 98 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) -52.3 -52.3 -52.3 -52.4 -52.4 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) -0.4 -0.2 -0.3 -0.3 -0.2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 2 2 2 2 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 700-500 MB RH 58 55 52 51 49 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) 7 6 6 5 5 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 49 46 33 19 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 200 MB DIV 0 -1 -8 -13 -22 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 3 6 14 16 22 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) 566 655 751 897 1048 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) 18.2 19.0 19.8 20.4 20.9 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) 21.7 22.9 24.1 25.6 27.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 12 14 15 15 15 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 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 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT):325/ 11 CX,CY: -5/ 9 T-12 MAX WIND: 30 PRESSURE OF STEERING LEVEL (MB): 555 (MEAN=620) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 23.8 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 27.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 0.9 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. 14. 15. 16. SST POTENTIAL 0. -0. 0. 1. 2. 6. 10. 14. 17. 20. 21. 21. 21. 21. 20. 19. VERTICAL SHEAR MAG 1. 2. 4. 5. 8. 11. 13. 15. 17. 18. 19. 19. 19. 20. 21. 23. VERTICAL SHEAR ADJ -1. -2. -3. -4. -7. -10. -13. -14. -13. -12. -10. -10. -9. -8. -7. -4. VERTICAL SHEAR DIR 0. 0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -2. -2. -2. -2. -2. PERSISTENCE -1. -2. -2. -2. -1. -1. -1. -1. -0. -0. 0. 0. -0. -1. -2. -2. 200/250 MB TEMP. -1. -1. -2. -2. -2. -2. -2. -2. -2. -2. -2. -2. -2. -0. 2. 3. THETA_E EXCESS -0. -1. -1. -2. -3. -3. -3. -3. -3. -2. -2. -2. -2. -1. -0. 1. 700-500 MB RH -0. -0. 0. 0. 0. 0. 0. 0. -0. -0. -0. -0. -0. -0. -0. -0. MODEL VTX TENDENCY -0. -1. -2. -2. -3. -4. -6. -7. -8. -9. -10. -10. -10. -11. -10. -10. 850 MB ENV VORTICITY 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. 200 MB DIVERGENCE -0. -0. -1. -1. -2. -2. -2. -2. -2. -1. 0. 1. 2. 2. 3. 4. 850-700 T ADVEC -0. 0. 0. 0. 1. 1. 1. 1. 1. 1. 0. 0. 0. 0. 0. 0. ZONAL STORM MOTION -0. -0. 0. 0. 0. 0. 0. 0. 0. 0. -0. -0. -0. -0. -1. -1. STEERING LEVEL PRES 0. 0. 0. 0. 1. 0. 0. 0. 1. 1. 1. 1. 1. 0. 0. 1. DAYS FROM CLIM. PEAK -0. 0. 0. 0. 0. -0. -0. 0. 0. 0. 1. 1. 1. 1. 2. 2. GOES PREDICTORS -1. -1. -1. -1. -2. -2. -3. -4. -4. -4. -4. -4. -4. -4. -4. -3. OCEAN HEAT CONTENT 0. 0. 0. 0. 0. 0. -0. -0. -0. -0. -0. -0. -0. -0. -0. -0. RI POTENTIAL -0. -1. -2. -2. -4. -4. -3. -1. -0. 1. 2. 3. 3. 3. 3. 3. ------------------------------------------------------------------------------ TOTAL CHANGE -2. -4. -5. -6. -5. -3. 1. 7. 14. 21. 27. 29. 31. 36. 42. 48. CURRENT MAX WIND (KT): 25. LAT, LON: 18.2 21.7 ** 2020 ATLANTIC RI INDEX AL102020 TEN 08/01/20 12 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 12 HR PERSISTENCE (KT) : -5.0 -49.5 to 33.0 0.54 3.8 850-200 MB SHEAR (KT) : 2.9 30.1 to 2.3 0.98 2.6 HEAT CONTENT (KJ/CM2) : 0.0 0.0 to 151.8 0.00 0.0 STD DEV OF IR BR TEMP : 23.8 36.6 to 2.8 0.38 1.1 MAXIMUM WIND (KT) : 25.0 22.5 to 137.5 0.07 0.1 2nd PC OF IR BR TEMP : -0.8 2.9 to -2.9 0.64 1.2 BL DRY-AIR FLUX (W/M2) : 187.2 895.4 to -55.0 0.75 1.4 POT = MPI-VMAX (KT) : 73.3 27.5 to 139.6 0.41 0.3 D200 (10**7s-1) : -8.8 -29.7 to 185.9 0.10 0.0 %area of TPW <45 mm upshear : 0.0 100.0 to 0.0 1.00 0.2 SHIPS Prob RI for 20kt/ 12hr RI threshold= 3% is 0.7 times climatological mean ( 5.0%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 14% is 1.2 times climatological mean (10.9%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 11% is 1.6 times climatological mean ( 6.9%) 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 ( 2.5%) 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 ( 4.6%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 999% is 999.0 times climatological mean ( 5.2%) 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: 3.3% 13.6% 10.7% 0.0% 0.0% 0.0% 0.0% 999.0% Logistic: 1.5% 1.9% 1.0% 0.3% 0.1% 0.7% 0.3% 999.0% Bayesian: 0.2% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% Consensus: 1.7% 5.2% 3.9% 0.1% 0.0% 0.2% 0.1% 999.0% DTOPS: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ** PROBLTY OF AT LEAST 1 SCNDRY EYEWL FORMTN EVENT AL102020 TEN 08/01/2020 12 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) 25 23 21 20 19 20 22 26 32 39 46 52 54 56 61 67 73 18HR AGO 25 24 22 21 20 21 23 27 33 40 47 53 55 57 62 68 74 12HR AGO 25 22 21 20 19 20 22 26 32 39 46 52 54 56 61 67 73 6HR AGO 25 19 16 15 DIS DIS 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