* GFS version * * ATLANTIC 2020 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * FAY AL062020 07/11/20 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 35 32 30 30 31 33 32 31 28 26 24 21 16 N/A N/A N/A N/A V (KT) LAND 35 32 30 30 30 30 30 30 30 30 30 30 30 N/A N/A N/A N/A V (KT) LGEM 35 32 30 30 30 30 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 EXTP EXTP EXTP EXTP EXTP N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 9 5 12 18 23 42 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) -1 0 2 0 0 1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 274 241 197 214 212 213 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 24.5 22.1 19.3 22.1 10.9 10.2 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) 103 90 80 91 69 68 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. 89 80 74 82 67 66 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) -51.6 -51.3 -51.0 -51.3 -51.3 -50.6 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) 1.0 0.9 1.1 0.8 0.1 0.5 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) 7 3 3 4 1 0 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 65 66 65 68 69 69 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) 17 15 14 13 14 16 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 75 78 70 89 138 129 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 55 27 32 100 49 35 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 17 14 13 53 20 4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) -22 -147 -235 -302 -267 -194 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) 40.2 42.0 43.7 45.8 47.9 51.5 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) 74.3 73.9 73.5 72.5 71.4 68.2 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) 16 18 20 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 HEAT CONTENT 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 N/A FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT): 5/ 13 CX,CY: 1/ 13 T-12 MAX WIND: 45 PRESSURE OF STEERING LEVEL (MB): 742 (MEAN=620) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 9.0 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 3.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 0.1 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. -2. -2. -3. -3. -3. -2. -1. -0. 0. -1. -2. -4. -4. -6. -7. VERTICAL SHEAR MAG 1. 3. 5. 6. 8. 6. 2. -2. -5. -8. -12. -15. -19. -22. -23. -22. VERTICAL SHEAR ADJ 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 0. 0. 0. 0. 0. 0. VERTICAL SHEAR DIR 0. 1. 1. 1. 3. 4. 6. 7. 8. 9. 10. 11. 12. 12. 12. 12. PERSISTENCE -2. -4. -4. -4. -2. -2. -2. -2. -1. -0. 0. 0. -1. -2. -3. -3. 200/250 MB TEMP. -0. -1. -1. -2. -3. -3. -4. -4. -4. -5. -5. -6. -7. -7. -8. -8. THETA_E EXCESS -0. -1. -1. -1. -3. -3. -3. -3. -3. -2. -1. -1. -1. -1. -0. 1. 700-500 MB RH -0. -0. -1. -1. -2. -2. -3. -4. -5. -5. -5. -5. -5. -6. -6. -5. MODEL VTX TENDENCY -0. -1. -3. -3. -2. -3. -4. -5. -6. -7. -8. -8. -9. -9. -9. -9. 850 MB ENV VORTICITY 0. 0. 1. 1. 2. 3. 3. 4. 4. 4. 5. 5. 6. 6. 7. 7. 200 MB DIVERGENCE 0. 0. 0. 0. 1. 1. 1. 1. 1. 0. -0. -1. -1. -1. -1. -2. 850-700 T ADVEC -0. 0. 0. 0. 1. 1. 2. 2. 1. 1. 1. 0. 0. 0. 0. 0. ZONAL STORM MOTION 0. 0. -0. -0. -0. -1. -1. -1. -2. -2. -3. -3. -4. -4. -4. -4. STEERING LEVEL PRES -0. -0. -0. -1. -1. -1. -1. -1. -2. -2. -3. -3. -2. -1. -1. -2. DAYS FROM CLIM. PEAK -0. 0. 0. 0. 0. -0. -0. 0. 0. 1. 1. 1. 1. 2. 2. 2. GOES PREDICTORS -1. -2. -2. -2. -3. -4. -5. -6. -7. -7. -7. -7. -7. -7. -6. -4. 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 -3. -5. -5. -4. -2. -3. -4. -7. -9. -11. -14. -19. -22. -25. -27. -25. CURRENT MAX WIND (KT): 35. LAT, LON: 40.2 74.3 ** 2020 ATLANTIC RI INDEX AL062020 FAY 07/11/20 00 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) : -10.0 -49.5 to 33.0 0.48 3.4 850-200 MB SHEAR (KT) : 13.6 30.1 to 2.3 0.59 1.6 HEAT CONTENT (KJ/CM2) : 0.0 0.0 to 151.8 0.00 0.0 STD DEV OF IR BR TEMP : 9.0 36.6 to 2.8 0.82 2.4 MAXIMUM WIND (KT) : 35.0 22.5 to 137.5 0.33 0.5 2nd PC OF IR BR TEMP : -0.3 2.9 to -2.9 0.56 1.1 BL DRY-AIR FLUX (W/M2) : 140.6 895.4 to -55.0 0.79 1.5 POT = MPI-VMAX (KT) : 43.3 27.5 to 139.6 0.14 0.1 D200 (10**7s-1) : 52.6 -29.7 to 185.9 0.38 0.2 %area of TPW <45 mm upshear : 5.8 100.0 to 0.0 0.94 0.2 SHIPS Prob RI for 20kt/ 12hr RI threshold= 5% is 0.9 times climatological mean ( 5.0%) 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= 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= 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: 4.6% 13.7% 10.9% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.5% 0.4% 0.1% 0.0% 0.0% 0.1% 0.0% 0.0% Bayesian: 0.2% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 1.8% 4.7% 3.7% 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) AL062020 FAY 07/11/20 00 UTC ## ## STORM NOT ANNULAR, SCREENING STEP FAILED, NPASS=4 NFAIL=3 ## ## 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 AL062020 FAY 07/11/2020 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) 35 32 30 30 30 30 30 30 30 30 30 30 30 DIS DIS DIS DIS 18HR AGO 35 34 32 32 32 32 32 32 32 32 32 32 32 DIS DIS DIS DIS 12HR AGO 35 32 31 31 31 31 31 31 31 31 31 31 31 DIS DIS DIS DIS 6HR AGO 35 29 26 25 25 25 25 25 25 25 25 25 25 DIS DIS DIS DIS NOW CURRENT INTENSITY < 83 KT IN 6HR INTENSITY IN 6HR < 83 KT IN 12HR INTENSITY IN 12HR < 83 KT