* GFS version * * EAST PACIFIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * KEVIN EP112021 08/12/21 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 30 27 24 19 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LAND 30 27 24 19 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A V (KT) LGEM 30 27 24 21 18 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 TROP TROP EXTP N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR (KT) 14 13 10 8 8 13 17 22 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR ADJ (KT) 2 2 1 4 6 6 2 1 N/A N/A N/A N/A N/A N/A N/A N/A N/A SHEAR DIR 24 22 16 358 327 257 248 237 N/A N/A N/A N/A N/A N/A N/A N/A N/A SST (C) 23.7 23.0 22.1 21.5 21.1 20.3 20.3 20.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 100 93 84 77 73 65 64 65 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -52.0 -51.9 -51.9 -51.7 -51.8 -51.6 -52.0 -52.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB VXT (C) 0.3 0.2 0.1 -0.1 0.0 0.3 0.2 -0.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A TH_E DEV (C) 1 0 0 0 0 0 0 0 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-500 MB RH 62 60 58 55 57 50 43 34 N/A N/A N/A N/A N/A N/A N/A N/A N/A MODEL VTX (KT) 17 16 15 13 12 10 8 6 LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR 32 28 20 5 -1 -15 -38 -48 N/A N/A N/A N/A N/A N/A N/A N/A N/A 200 MB DIV -2 -8 -7 -3 0 8 0 8 N/A N/A N/A N/A N/A N/A N/A N/A N/A 700-850 TADV 2 4 3 3 4 11 3 10 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAND (KM) 741 788 855 933 1023 1063 1038 1022 N/A N/A N/A N/A N/A N/A N/A N/A N/A LAT (DEG N) 22.9 23.5 24.1 24.7 25.3 26.9 28.5 30.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A LONG(DEG W) 120.0 121.3 122.5 123.7 124.9 126.9 128.6 129.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A STM SPEED (KT) 13 13 12 12 12 11 10 10 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 0 0 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):300/ 12 CX,CY: -9/ 6 T-12 MAX WIND: 35 PRESSURE OF STEERING LEVEL (MB): 500 (MEAN=587) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 3.1 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 0.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 0.2 INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE 6 12 18 24 36 48 60 72 84 96 108 120 132 144 156 168 ------------------------------------------------------------------------------ SAMPLE MEAN CHANGE 0. 0. 1. 1. 1. 2. 1. 1. 0. -0. -1. -2. -2. -3. -4. -4. SST POTENTIAL -0. -1. -2. -3. -4. -4. -3. -3. -2. -3. -6. -11. -15. -20. -22. -25. VERTICAL SHEAR MAG 1. 2. 3. 4. 5. 5. 2. -1. -5. -7. -8. -8. -9. -10. -13. -14. VERTICAL SHEAR ADJ -0. -0. -1. -1. -2. -2. -2. -2. -1. -1. -0. -0. -0. -0. -1. -1. VERTICAL SHEAR DIR -0. -1. -1. -1. -0. 2. 4. 4. 5. 5. 5. 5. 4. 4. 3. 3. PERSISTENCE -1. -2. -2. -3. -2. -2. -2. -1. -1. -1. -1. -1. -1. -1. -1. -1. 200/250 MB TEMP. -0. -0. -0. -0. -0. -0. 1. 1. 1. 0. -0. -2. -4. -5. -6. -6. THETA_E EXCESS -1. -1. -3. -4. -7. -9. -11. -13. -14. -15. -16. -16. -17. -17. -20. -22. 700-500 MB RH -0. -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -2. -2. -2. -3. MODEL VTX TENDENCY -0. -1. -3. -4. -5. -9. -14. -16. -16. -16. -15. -14. -12. -11. -10. -9. 850 MB ENV VORTICITY 0. 0. -0. -0. -0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 1. 1. 200 MB DIVERGENCE -0. -0. -1. -1. -1. -2. -3. -4. -4. -4. -4. -3. -2. -1. 0. 1. 850-700 T ADVEC -0. -0. -0. -0. -0. 0. 0. 0. 0. 0. 1. 1. 1. 2. 2. 3. ZONAL STORM MOTION 0. 0. 0. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. 0. 0. -0. STEERING LEVEL PRES -0. -0. -0. -1. -1. -1. -1. -1. -1. -2. -2. -2. -1. -1. -1. -0. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 0. 1. 1. 2. 2. 2. 2. 3. 3. 4. GOES PREDICTORS -1. -1. -1. -1. -2. -5. -8. -9. -11. -12. -14. -14. -15. -14. -12. -12. OCEAN HEAT CONTENT -0. -0. -0. -0. -0. -1. -2. -1. -1. -0. 0. 1. 2. 3. 4. 6. RI POTENTIAL -0. -1. -2. -3. -4. -4. -3. -1. 1. 2. 4. 4. 4. 4. 4. 4. ------------------------------------------------------------------------------ TOTAL CHANGE -3. -6. -11. -15. -23. -30. -37. -43. -47. -51. -56. -60. -65. -69. -73. -77. CURRENT MAX WIND (KT): 30. LAT, LON: 22.9 120.0 ** 2021 E. Pacific RI INDEX EP112021 KEVIN 08/12/21 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 POT = MPI-VMAX (KT) : 55.6 40.5 to 149.3 0.14 999.0 12 HR PERSISTENCE (KT) : -5.0 -22.0 to 44.0 0.26 999.0 D200 (10**7s-1) : -4.0 -33.0 to 159.5 0.15 999.0 850-200 MB SHEAR (KT) : 10.8 19.6 to 1.3 0.48 999.0 MAXIMUM WIND (KT) : 30.0 22.5 to 132.0 0.21 999.0 STD DEV OF IR BR TEMP : 3.1 37.8 to 2.1 0.97 999.0 BL DRY-AIR FLUX (W/M2) : 179.8 800.8 to -82.5 0.70 999.0 HEAT CONTENT (KJ/CM2) : 0.0 2.7 to 106.7 0.00 0.0 %area of TPW <45 mm upshear : 0.0 56.6 to 0.0 1.00 999.0 2nd PC OF IR BR TEMP : -0.1 2.2 to -2.3 0.52 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 2% is 0.4 times climatological mean ( 6.3%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 9% is 0.7 times climatological mean (12.5%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 8.6%) SHIPS Prob RI for 35kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 6.2%) SHIPS Prob RI for 40kt/ 24hr RI threshold= 0% is 0.0 times climatological mean ( 4.2%) SHIPS Prob RI for 45kt/ 36hr RI threshold= 0% is 0.0 times climatological mean ( 6.7%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 0% is 0.0 times climatological mean ( 5.9%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 0% is 0.0 times climatological mean ( 4.7%) 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: 2.5% 8.7% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 0.8% 2.9% 0.0% 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) EP112021 KEVIN 08/12/21 12 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) ##