* GFS version * * EAST PACIFIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * SANDRA EP192021 11/09/21 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 25 24 23 22 21 17 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 25 24 23 22 21 17 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 25 24 23 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 N/A Storm Type TROP TROP TROP 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 N/A SHEAR (KT) 29 25 22 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 N/A SHEAR ADJ (KT) 4 6 2 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 N/A SHEAR DIR 196 209 210 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 N/A SST (C) 26.6 26.4 26.6 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 N/A POT. INT. (KT) 130 129 130 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 N/A 200 MB T (C) -54.3 -53.9 -54.1 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 N/A 200 MB VXT (C) -0.2 -0.3 -0.3 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 N/A TH_E DEV (C) 5 5 5 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 N/A 700-500 MB RH 50 48 50 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 N/A MODEL VTX (KT) 9 9 9 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR -11 -7 -5 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 N/A 200 MB DIV -22 -3 11 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 N/A 700-850 TADV -1 -1 0 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 N/A LAND (KM) 1504 1616 1732 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 N/A LAT (DEG N) 14.4 14.1 13.8 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 N/A LONG(DEG W) 121.5 122.8 124.0 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 N/A STM SPEED (KT) 12 12 12 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 N/A HEAT CONTENT 1 0 1 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 N/A FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT):260/ 11 CX,CY: -10/ -1 T-12 MAX WIND: 25 PRESSURE OF STEERING LEVEL (MB): 700 (MEAN=587) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 4.6 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 1.0 (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 0. 0. 1. 1. 1. 2. 1. 1. 0. -0. -1. -2. -2. -3. -4. -4. SST POTENTIAL 0. 1. 1. 2. 6. 11. 16. 20. 23. 26. 27. 27. 27. 27. 27. 28. VERTICAL SHEAR MAG 1. 1. 1. 1. 0. -4. -9. -14. -17. -20. -21. -21. -20. -20. -22. -23. VERTICAL SHEAR ADJ -0. -1. -1. -1. -2. -2. -2. -2. -1. -1. -0. -0. -0. -0. -1. -1. VERTICAL SHEAR DIR -0. -1. -2. -3. -5. -7. -8. -9. -10. -11. -11. -11. -10. -9. -8. -7. PERSISTENCE -0. -0. -0. -1. -1. -1. -0. -0. -0. -0. -0. -0. -0. -0. -0. -0. 200/250 MB TEMP. 0. 0. 0. 1. 1. 0. -0. -1. -2. -2. -3. -4. -5. -6. -8. -8. THETA_E EXCESS -0. -0. -0. -1. -1. -1. -2. -2. -2. -2. -3. -3. -3. -3. -3. -4. 700-500 MB RH -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -2. -2. -2. -2. -3. -4. MODEL VTX TENDENCY -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. 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. -5. -5. -5. -4. -2. -1. 0. 2. 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. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. -0. STEERING LEVEL PRES 0. 0. 1. 1. 1. 2. 2. 2. 2. 3. 3. 3. 2. 2. 1. 1. DAYS FROM CLIM. PEAK -0. -0. -0. -0. -0. -0. -1. -1. -2. -2. -2. -2. -3. -3. -4. -5. 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. -1. -1. -1. -0. 0. 1. 2. 3. 4. 6. RI POTENTIAL -0. -1. -2. -3. -4. -5. -3. -1. 1. 2. 4. 4. 5. 5. 4. 4. ------------------------------------------------------------------------------ TOTAL CHANGE -1. -2. -3. -4. -8. -14. -18. -21. -24. -25. -27. -26. -27. -25. -25. -27. CURRENT MAX WIND (KT): 25. LAT, LON: 14.4 121.5 ** 2021 E. Pacific RI INDEX EP192021 SANDRA 11/09/21 18 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) : 104.8 40.5 to 149.3 0.59 999.0 12 HR PERSISTENCE (KT) : 0.0 -22.0 to 44.0 0.33 999.0 D200 (10**7s-1) : -4.7 -33.0 to 159.5 0.15 999.0 850-200 MB SHEAR (KT) : 25.1 19.6 to 1.3 0.00 0.0 MAXIMUM WIND (KT) : 25.0 22.5 to 132.0 0.07 999.0 STD DEV OF IR BR TEMP : 4.6 37.8 to 2.1 0.93 999.0 BL DRY-AIR FLUX (W/M2) : 176.3 800.8 to -82.5 0.71 999.0 HEAT CONTENT (KJ/CM2) : 0.7 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 : 0.7 2.2 to -2.3 0.32 999.0 SHIPS Prob RI for 20kt/ 12hr RI threshold= 0% is 0.0 times climatological mean ( 6.3%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 0% is 0.0 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= 999% is 999.0 times climatological mean ( 6.7%) SHIPS Prob RI for 55kt/ 48hr RI threshold= 999% is 999.0 times climatological mean ( 5.9%) SHIPS Prob RI for 65kt/ 72hr RI threshold= 999% is 999.0 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: 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Logistic: 0.1% 0.2% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% Consensus: 0.0% 0.1% 0.0% 0.0% 0.0% 999.0% 999.0% 999.0% DTOPS: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP192021 SANDRA 11/09/21 18 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) ##