* GFS version * * ATLANTIC 2020 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * OMAR AL152020 09/01/20 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 30 31 32 32 32 30 25 15 N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LAND 30 31 32 32 32 30 25 15 N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LGEM 30 30 29 27 26 22 19 16 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 TROP TROP TROP N/A N/A N/A N/A N/A N/A SHEAR (KT) 35 42 45 47 50 54 47 39 28 30 24 N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) -3 -6 -5 -3 -4 -7 -4 -3 -3 -2 -3 N/A N/A N/A N/A N/A N/A SHEAR DIR 312 330 331 327 326 335 342 352 17 25 41 N/A N/A N/A N/A N/A N/A SST (C) 28.3 28.1 28.3 27.9 28.0 28.0 27.5 27.6 27.3 27.1 27.0 N/A N/A N/A N/A N/A N/A POT. INT. (KT) 142 139 142 137 138 137 130 131 128 127 126 N/A N/A N/A N/A N/A N/A ADJ. POT. INT. 120 117 119 116 116 115 108 107 105 107 106 N/A N/A N/A N/A N/A N/A 200 MB T (C) -52.0 -52.1 -52.5 -53.0 -52.9 -52.8 -52.6 -52.7 -53.1 -53.3 -53.7 N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.4 0.6 0.4 0.2 0.1 0.3 0.6 0.3 0.0 0.0 0.0 N/A N/A N/A N/A N/A N/A TH_E DEV (C) 4 4 4 4 4 5 5 6 6 7 6 N/A N/A N/A N/A N/A N/A 700-500 MB RH 68 65 61 62 63 63 64 61 56 50 49 N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 7 6 6 6 4 4 4 4 3 2 2 LOST LOST LOST LOST LOST LOST 850 MB ENV VOR -23 -29 -45 -44 -55 -55 -27 -30 -29 -35 -68 N/A N/A N/A N/A N/A N/A 200 MB DIV -20 -6 -16 -16 3 -3 19 -24 10 -8 23 N/A N/A N/A N/A N/A N/A 700-850 TADV 19 24 15 15 25 14 3 5 10 9 14 N/A N/A N/A N/A N/A N/A LAND (KM) 328 437 553 610 619 711 824 956 975 911 724 N/A N/A N/A N/A N/A N/A LAT (DEG N) 35.0 35.5 36.0 36.4 36.8 37.3 37.1 36.9 37.2 38.5 40.4 N/A N/A N/A N/A N/A N/A LONG(DEG W) 72.2 70.9 69.6 68.1 66.5 63.4 60.6 58.2 56.4 53.9 50.8 N/A N/A N/A N/A N/A N/A STM SPEED (KT) 12 12 12 13 13 12 10 8 10 14 15 N/A N/A N/A N/A N/A N/A HEAT CONTENT 34 34 52 39 36 36 16 27 17 11 27 N/A N/A N/A N/A N/A N/A FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT): 55/ 13 CX,CY: 11/ 7 T-12 MAX WIND: 30 PRESSURE OF STEERING LEVEL (MB): 655 (MEAN=620) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 32.6 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 42.0 (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 96 108 120 132 144 156 168 ------------------------------------------------------------------------------ SAMPLE MEAN CHANGE 1. 2. 3. 4. 6. 8. 9. 10. 11. 12. 12. 13. 14. 14. 15. 16. SST POTENTIAL 0. 1. 1. 2. 4. 7. 12. 15. 18. 20. 22. 23. 23. 23. 22. 21. VERTICAL SHEAR MAG 2. 4. 5. 6. 4. -4. -17. -27. -34. -41. -48. -54. -62. -67. -70. -71. VERTICAL SHEAR ADJ 0. 1. 1. 2. 3. 5. 6. 6. 6. 5. 5. 4. 4. 4. 3. 2. VERTICAL SHEAR DIR 0. 0. 0. 0. -0. -0. -0. -1. -2. -3. -3. -3. -4. -4. -4. -4. PERSISTENCE -0. -1. -1. -1. -0. -0. -0. -0. -0. 0. 0. 0. -0. -0. -1. -0. 200/250 MB TEMP. -0. -1. -1. -1. -2. -2. -2. -2. -2. -2. -2. -2. -2. -1. -1. -0. THETA_E EXCESS -0. -1. -1. -1. -2. -2. -2. -2. -2. -1. -1. -1. -1. -0. -0. 0. 700-500 MB RH -0. -0. -0. -1. -1. -2. -2. -3. -3. -2. -2. -2. -2. -3. -3. -2. MODEL VTX TENDENCY -0. -1. -2. -3. -4. -6. -8. -9. -12. -13. -14. -15. -15. -14. -14. -14. 850 MB ENV VORTICITY -0. -0. -1. -1. -2. -2. -3. -3. -4. -4. -5. -5. -5. -5. -6. -6. 200 MB DIVERGENCE -0. -1. -1. -1. -1. -1. -2. -2. -2. -1. 0. 1. 2. 2. 3. 3. 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. -1. -2. -2. -3. -4. -6. -7. -8. -8. -8. -8. -9. STEERING LEVEL PRES -0. -0. -0. -0. -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. DAYS FROM CLIM. PEAK 0. -0. -0. -0. -0. 0. 0. -0. -0. -0. -0. -0. -1. -1. -1. -1. GOES PREDICTORS -0. -1. -1. -1. -1. -1. -1. -2. -2. -1. -1. -2. -3. -3. -3. -2. OCEAN HEAT CONTENT 0. 0. 0. 0. 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. 3. 3. 4. 4. ------------------------------------------------------------------------------ TOTAL CHANGE 1. 2. 2. 2. 0. -5. -15. -22. -31. -37. -43. -49. -56. -62. -64. -64. CURRENT MAX WIND (KT): 30. LAT, LON: 35.0 72.2 ** 2020 ATLANTIC RI INDEX AL152020 OMAR 09/01/20 18 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) : 0.0 -49.5 to 33.0 0.60 999.0 850-200 MB SHEAR (KT) : 43.6 30.1 to 2.3 0.00 0.0 HEAT CONTENT (KJ/CM2) : 39.0 0.0 to 151.8 0.26 999.0 STD DEV OF IR BR TEMP : 32.6 36.6 to 2.8 0.12 999.0 MAXIMUM WIND (KT) : 30.0 22.5 to 137.5 0.20 999.0 2nd PC OF IR BR TEMP : 0.6 2.9 to -2.9 0.40 999.0 BL DRY-AIR FLUX (W/M2) : 136.8 895.4 to -55.0 0.80 999.0 POT = MPI-VMAX (KT) : 87.7 27.5 to 139.6 0.54 999.0 D200 (10**7s-1) : -11.0 -29.7 to 185.9 0.09 999.0 %area of TPW <45 mm upshear : 4.4 100.0 to 0.0 0.96 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 2% is 0.4 times climatological mean ( 5.0%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 0% is 0.0 times climatological mean (10.9%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 0% is 0.0 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= 0% is 0.0 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: 1.9% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.8% 0.5% 0.3% 0.1% 0.0% 0.1% 0.1% 0.0% Bayesian: 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 0.9% 0.2% 0.1% 0.0% 0.0% 0.0% 0.0% 0.0% DTOPS: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) AL152020 OMAR 09/01/20 18 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 AL152020 OMAR 09/01/2020 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) 30 31 32 32 32 30 25 15 DIS DIS DIS DIS DIS DIS DIS DIS DIS 18HR AGO 30 29 30 30 30 28 23 DIS DIS DIS DIS DIS DIS DIS DIS DIS DIS 12HR AGO 30 27 26 26 26 24 19 DIS DIS DIS DIS DIS DIS DIS DIS DIS DIS 6HR AGO 30 24 21 20 20 18 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