* ATLANTIC SHIPS INTENSITY FORECAST * * IR SAT DATA PROXY USED, OHC AVAILABLE * * OPHELIA AL172017 10/16/17 06 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 V (KT) NO LAND 70 64 56 49 39 18 DIS DIS DIS DIS DIS DIS DIS V (KT) LAND 70 64 56 48 41 20 DIS DIS DIS DIS DIS DIS DIS V (KT) LGEM 70 64 50 49 38 35 DIS DIS DIS DIS DIS DIS DIS Storm Type EXTP EXTP EXTP EXTP EXTP EXTP N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 45 39 33 32 37 37 N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 2 2 0 0 0 14 N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 175 178 196 208 222 241 N/A N/A N/A N/A N/A N/A N/A SST (C) 14.9 13.9 13.0 13.3 12.5 10.7 N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 73 72 71 71 71 70 N/A N/A N/A N/A N/A N/A N/A ADJ. POT. INT. 70 69 69 68 68 68 N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -53.9 -53.3 -52.8 -52.9 -53.3 -52.2 N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.5 0.4 1.1 1.4 0.7 0.0 N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 0 0 0 0 0 0 N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 49 49 47 46 46 48 N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 45 43 39 33 26 16 LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 17 29 30 17 9 28 N/A N/A N/A N/A N/A N/A N/A 200 MB DIV 80 78 64 37 16 0 N/A N/A N/A N/A N/A N/A N/A 700-850 TADV -119 -69 10 0 -15 -45 N/A N/A N/A N/A N/A N/A N/A LAND (KM) 288 37 1 64 24 599 N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 49.8 52.2 54.5 56.6 58.6 63.5 N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 12.7 10.9 9.0 6.8 4.5 0.8 N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 25 26 25 24 25 25 N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 0 0 0 0 0 0 0 0 0 0 0 0 0 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT): 20/ 23 CX,CY: 8/ 22 T-12 MAX WIND: 75 PRESSURE OF STEERING LEVEL (MB): 673 (MEAN=618) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 11.6 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 31.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 55 KT IN 48 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. 12. 13. 13. SST POTENTIAL -4. -10. -15. -20. -27. -32. -35. -39. -41. -42. -43. -44. VERTICAL SHEAR MAG -1. -1. -1. -1. -2. -7. -13. -21. -26. -31. -37. -41. VERTICAL SHEAR ADJ -0. -0. -0. 0. -1. -1. -2. -2. -2. -2. -2. -2. VERTICAL SHEAR DIR 0. 0. 1. 1. 3. 5. 6. 8. 9. 10. 12. 13. PERSISTENCE -1. -2. -2. -2. -2. -2. -2. -1. -1. 0. 1. 1. 200/250 MB TEMP. 1. 2. 5. 7. 9. 11. 12. 15. 16. 17. 15. 14. THETA_E EXCESS -0. -1. -2. -2. -2. -3. -4. -4. -6. -6. -7. -8. 700-500 MB RH 0. 0. 0. 0. 1. 1. 2. 2. 2. 2. 2. 2. MODEL VTX TENDENCY -0. -3. -7. -15. -30. -35. -38. -40. -41. -42. -43. -42. 850 MB ENV VORTICITY -0. -0. -0. -0. -0. -0. -0. -0. -0. -0. -0. -0. 200 MB DIVERGENCE 0. 0. 1. 0. 0. 0. 0. 0. 0. 0. 0. -0. 850-700 T ADVEC 0. -0. -0. -1. -2. -4. -6. -6. -6. -7. -6. -6. ZONAL STORM MOTION 0. -0. -0. -1. -2. -2. -3. -3. -4. -5. -6. -7. STEERING LEVEL PRES -0. -0. -0. -0. -0. -1. -0. -1. -1. -1. -1. -1. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. 1. 1. GOES PREDICTORS -1. -1. -2. -2. -3. -3. -3. -3. -3. -2. -1. -2. OCEAN HEAT CONTENT -0. -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -0. ---------------------------------------------------------- TOTAL CHANGE -6. -14. -21. -31. -52. -66. -77. -86. -92. -97.-104.-109. CURRENT MAX WIND (KT): 70. LAT, LON: 49.8 12.7 ** 2017 ATLANTIC RI INDEX AL172017 OPHELIA 10/16/17 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): -5.0 -49.5 to 33.0 0.54 999.0 850-200 MB SHEAR (KT) : 37.5 30.1 to 2.9 0.00 999.0 HEAT CONTENT (KJ/cm2) : 0.0 0.0 to 156.2 0.00 999.0 2nd PC OF IR BR TEMP : 1.3 2.4 to -3.0 0.21 999.0 STD DEV OF IR BR TEMP : 999.0 36.6 to 2.8 999.00 999.0 MAXIMUM WIND (kt) : 70.0 22.5 to 121.0 0.81 999.0 POT = MPI-VMAX (KT) : -1.1 28.4 to 139.6 0.00 999.0 D200 (10**7s-1) : 55.0 -29.7 to 181.5 0.40 999.0 BL DRY-AIR FLUX (w/m2): 179.6 961.4 to -67.1 0.76 999.0 % AREA WITH TPW <45 mm: 100.0 100.0 to 0.0 0.00 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 999% is 999.0 times sample mean ( 5.4%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 999% is 999.0 times sample mean (11.5%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 999% is 999.0 times sample mean ( 7.4%) SHIPS Prob RI for 35kt/ 24hr RI threshold= 999% is 999.0 times sample mean ( 4.3%) SHIPS Prob RI for 40kt/ 24hr RI threshold= 999% is 999.0 times sample mean ( 2.8%) SHIPS Prob RI for 45kt/ 36hr RI threshold= 999% is 999.0 times sample mean ( 5.1%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 999% is 999.0 times sample mean ( 5.3%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 999% is 999.0 times sample mean ( 6.0%) 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: 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% Logistic: 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% Bayesian: 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% Consensus: 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% 999.0% ** PROBLTY OF AT LEAST 1 SCNDRY EYEWL FORMTN EVENT AL172017 OPHELIA 10/16/2017 06 UTC ** TIME(HR) 0-12 12-24(0-24) 24-36(0-36) 36-48(0-48) CLIMO(%) *** 0(***) 0(***) 0(***) <-- PROB BASED ON INTENSITY ONLY PROB(%) ER ERR ERR ERR PC4 UNAVAIL...MODEL SKILL DEGRADED ** 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) 70 64 56 48 41 20 DIS DIS DIS DIS DIS DIS DIS 18HR AGO 70 69 61 53 46 25 DIS DIS DIS DIS DIS DIS DIS 12HR AGO 70 67 66 58 51 30 DIS DIS DIS DIS DIS DIS DIS 6HR AGO 70 64 61 60 53 32 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