* GFS version * * ATLANTIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * KARL AL142022 10/13/22 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 45 44 43 41 41 38 36 34 36 38 40 42 43 45 46 48 50 V (KT) LAND 45 44 43 41 41 38 32 29 27 27 27 27 27 27 27 27 27 V (KT) LGEM 45 43 42 40 39 36 30 28 27 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 N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 20 18 19 21 21 15 7 4 2 N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 6 7 5 3 2 2 4 4 6 N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 289 277 266 270 282 281 283 184 114 N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 28.5 28.5 28.5 28.5 28.3 28.3 27.9 27.4 28.7 N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 141 141 142 142 139 139 134 128 145 N/A N/A N/A N/A N/A N/A N/A N/A ADJ. POT. INT. 122 124 126 127 124 126 123 118 135 N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -53.2 -53.3 -53.1 -53.3 -53.3 -53.3 -53.6 -53.2 -53.5 N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.3 0.5 0.3 0.4 0.3 0.4 0.3 0.1 0.1 N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 8 10 10 8 7 10 7 10 6 N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 53 53 54 54 55 55 59 60 64 N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 13 13 13 11 12 8 7 4 2 LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 1 3 16 13 7 10 8 24 25 N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV -15 -17 -7 -16 -14 -11 -4 -3 -2 N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 0 -1 -4 -3 -2 -1 -1 1 0 N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 323 327 311 250 187 95 -22 -67 -9 N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 22.0 21.6 21.2 20.7 20.1 19.2 18.0 16.7 15.9 N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 94.1 94.0 93.8 93.6 93.5 93.7 94.3 95.0 95.9 N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 3 4 5 6 5 6 7 7 6 N/A N/A N/A N/A N/A N/A N/A N/A HEAT CONTENT 30 28 26 24 19 15 11 5 13 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):155/ 2 CX,CY: 1/ -1 T-12 MAX WIND: 50 PRESSURE OF STEERING LEVEL (MB): 739 (MEAN=620) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 26.8 (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): 0.9 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. 15. 15. 16. SST POTENTIAL 1. 1. 2. 3. 4. 6. 9. 11. 13. 15. 16. 16. 17. 16. 16. 15. VERTICAL SHEAR MAG 0. 0. -0. -0. -0. 0. 2. 4. 3. 3. 3. 3. 3. 4. 4. 4. VERTICAL SHEAR ADJ -0. -1. -1. -1. -2. -3. -4. -4. -4. -3. -3. -3. -3. -3. -2. -2. VERTICAL SHEAR DIR -0. -0. -0. -1. -1. -2. -2. -2. -2. -2. -3. -3. -4. -4. -4. -4. PERSISTENCE -1. -2. -2. -2. -1. -1. -1. -1. -0. -0. 0. 0. -0. -1. -2. -1. 200/250 MB TEMP. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -0. 0. 1. THETA_E EXCESS 0. 0. 0. 0. 0. 0. 0. 0. -0. -0. -0. -0. 0. 0. 0. 0. 700-500 MB RH 0. 0. 0. 0. -0. -0. -1. -1. -1. -2. -2. -2. -2. -2. -3. -2. MODEL VTX TENDENCY -0. -0. -1. -1. -5. -8. -14. -17. -19. -20. -21. -21. -21. -21. -20. -20. 850 MB ENV VORTICITY -0. -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. 200 MB DIVERGENCE -0. -1. -1. -1. -2. -2. -2. -2. -2. -2. -1. 0. 1. 1. 2. 3. 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. -1. -1. -1. -1. -2. -3. -3. -3. -3. -4. -4. STEERING LEVEL PRES -0. -0. -0. -1. -1. -1. -0. -1. -2. -2. -3. -2. -2. -1. -1. -2. DAYS FROM CLIM. PEAK -0. 0. 0. 0. -0. -0. -0. -0. -0. 0. 0. 0. 1. 1. 1. 1. GOES PREDICTORS -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -0. -1. -2. -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. -2. -4. -4. -3. -1. -0. 1. 2. 3. 3. 3. 4. 4. ------------------------------------------------------------------------------ TOTAL CHANGE -1. -2. -4. -4. -7. -9. -11. -9. -7. -5. -3. -2. -0. 1. 3. 5. CURRENT MAX WIND (KT): 45. LAT, LON: 22.0 94.1 ** 2021 ATLANTIC RI INDEX AL142022 KARL 10/13/22 12 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 1.9 850-200 MB SHEAR (KT) : 19.8 30.1 to 2.3 0.37 0.6 HEAT CONTENT (KJ/CM2) : 25.4 0.0 to 151.8 0.17 0.2 STD DEV OF IR BR TEMP : 26.8 36.6 to 2.8 0.29 0.5 MAXIMUM WIND (KT) : 45.0 22.5 to 137.5 0.59 0.8 BL DRY-AIR FLUX (W/M2) : 241.0 895.4 to -55.0 0.69 0.9 2nd PC OF IR BR TEMP : -2.3 2.9 to -2.9 0.89 0.8 POT = MPI-VMAX (KT) : 79.8 28.3 to 146.3 0.44 0.3 D200 (10**7s-1) : -13.8 -29.7 to 185.9 0.07 0.0 %area of TPW <45 mm upshear : 59.5 100.0 to 0.0 0.41 0.1 SHIPS Prob RI for 20kt/ 12hr RI threshold= 4% is 0.7 times climatological mean ( 4.9%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 9% is 0.8 times climatological mean (10.9%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 6% is 0.9 times climatological mean ( 6.8%) 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 ( 2.4%) SHIPS Prob RI for 45kt/ 36hr RI threshold= 7% is 1.6 times climatological mean ( 4.6%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 0% is 0.0 times climatological mean ( 4.7%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 0% is 0.0 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: 3.5% 8.7% 6.0% 0.0% 0.0% 7.3% 0.0% 0.0% Logistic: 1.7% 3.6% 3.0% 0.4% 0.1% 0.4% 0.6% 1.9% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.1% Consensus: 1.8% 4.1% 3.0% 0.1% 0.0% 2.6% 0.2% 0.7% DTOPS: 0.0% 1.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) AL142022 KARL 10/13/22 12 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 AL142022 KARL 10/13/2022 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) 45 44 43 41 41 38 32 29 27 27 27 27 27 27 27 27 27 18HR AGO 45 44 43 41 41 38 32 29 27 27 27 27 27 27 27 27 27 12HR AGO 45 42 41 39 39 36 30 27 25 25 25 25 25 25 25 25 25 6HR AGO 45 39 36 35 35 32 26 23 21 21 21 21 21 21 21 21 21 NOW CURRENT INTENSITY < 83 KT IN 6HR INTENSITY IN 6HR < 83 KT IN 12HR INTENSITY IN 12HR < 83 KT