* EAST PACIFIC 2021 SHIPS INTENSITY FORECAST * * IR SAT DATA AVAILABLE, OHC AVAILABLE * * HECTOR EP102018 08/13/18 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 60 54 52 51 51 57 61 62 58 58 58 59 60 61 53 35 20 V (KT) LAND 60 54 52 51 51 57 61 62 58 58 58 59 60 61 53 35 20 V (KT) LGEM 60 55 51 49 49 51 54 55 54 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) 17 15 12 8 5 6 14 13 13 N/A N/A N/A N/A N/A 41 29 26 SHEAR ADJ (KT) 6 5 0 0 0 -5 1 -4 1 N/A N/A N/A N/A N/A 1 5 6 SHEAR DIR 227 227 231 236 204 172 141 149 120 N/A N/A N/A N/A N/A 196 192 177 SST (C) 27.4 27.5 27.0 26.7 27.0 28.0 27.2 26.8 26.8 N/A N/A N/A N/A N/A N/A N/A N/A POT. INT. (KT) 140 141 136 133 136 146 138 133 133 N/A N/A N/A N/A N/A N/A N/A N/A 200 MB T (C) -52.1 -52.0 -52.6 -52.7 -53.2 -53.4 -53.6 -53.0 -53.0 N/A N/A N/A N/A N/A -53.9 -52.2 -51.3 200 MB VXT (C) 0.6 0.7 0.7 0.4 0.1 -0.1 -0.2 0.4 0.0 N/A N/A N/A N/A N/A 0.0 0.0 0.0 TH_E DEV (C) 8 9 9 8 9 9 9 10 9 N/A N/A N/A N/A N/A 0 0 0 700-500 MB RH 49 49 51 55 53 55 53 52 50 N/A N/A N/A N/A N/A 59 61 60 MODEL VTX (KT) 18 15 16 15 14 14 16 16 14 LOST LOST LOST LOST LOST LOST LOST LOST 850 MB ENV VOR -13 -27 -32 -40 -44 -51 -50 -86 -109 N/A N/A N/A N/A N/A 63 70 80 200 MB DIV -2 2 5 0 28 21 1 -76 -69 N/A N/A N/A N/A N/A 243 257 247 700-850 TADV 17 9 9 10 8 2 5 6 0 N/A N/A N/A N/A N/A -55 -56 -53 LAND (KM) 1664 1823 1983 2146 2309 2630 2767 2497 2212 N/A N/A N/A N/A N/A 804 654 524 LAT (DEG N) 24.2 24.9 25.6 26.2 26.7 27.7 28.8 30.0 31.4 N/A N/A N/A N/A N/A xx.x xx.x xx.x LONG(DEG W) 176.3 177.8 179.3 180.9 182.4 185.5 188.6 191.7 194.2 N/A N/A N/A N/A N/A xxx.x xxx.x xxx.x STM SPEED (KT) 15 15 15 15 15 14 15 14 12 N/A N/A N/A N/A N/A 16 17 16 HEAT CONTENT 7 7 6 3 4 10 4 1 2 N/A N/A N/A N/A N/A 0 0 0 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT):305/ 15 CX,CY: -11/ 9 T-12 MAX WIND: 75 PRESSURE OF STEERING LEVEL (MB): 603 (MEAN=587) GOES IR BRIGHTNESS TEMP. STD DEV. 50-200 KM RAD: 20.9 (MEAN=14.5) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: 51.0 (MEAN=65.0) PRELIM RI PROB (DV .GE. 35 KT IN 36 HR): 0.5 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 1. 1. 2. 3. 3. 3. 3. 2. 2. 2. 2. 2. 1. 1. 0. -0. VERTICAL SHEAR MAG -0. -0. 0. 1. 2. 3. 2. 1. -1. -2. -2. -3. -4. -12. -24. -32. VERTICAL SHEAR ADJ -0. -0. -1. -1. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. -0. -0. VERTICAL SHEAR DIR 0. 1. 2. 2. 3. 2. 1. -0. -0. -0. -0. -0. -0. -0. 0. 0. PERSISTENCE -4. -5. -6. -6. -5. -4. -3. -2. -1. -2. -1. -1. -1. -1. -1. -1. 200/250 MB TEMP. -0. -0. -0. 0. 1. 1. 2. 2. 3. 2. 2. 1. -0. -1. -4. -5. THETA_E EXCESS 0. 1. 1. 1. 2. 3. 4. 5. 5. 6. 6. 6. 6. 5. 2. -1. 700-500 MB RH -0. -0. -0. -0. -1. -1. -1. -1. -1. -1. -1. -1. -1. -2. -2. -2. MODEL VTX TENDENCY -1. -1. -2. -3. -3. -2. -3. -6. -6. -6. -6. -5. -5. -4. -4. -4. 850 MB ENV VORTICITY -0. -0. -0. -0. -0. 0. 1. 1. 2. 2. 2. 3. 3. 3. 2. 1. 200 MB DIVERGENCE -0. -0. -1. -1. -1. -1. -3. -5. -6. -6. -6. -5. -3. -1. -0. -1. 850-700 T ADVEC -0. -0. -0. -0. -0. 0. 0. 0. 0. 0. 1. 1. 1. 1. -1. -4. ZONAL STORM MOTION 0. 0. 1. 1. 1. 2. 2. 2. 1. 1. 1. 1. 1. 1. 0. -0. STEERING LEVEL PRES 0. 0. 0. 0. 0. 0. 0. 0. 1. 1. 1. 1. 0. 0. 0. 0. DAYS FROM CLIM. PEAK 0. 0. 0. 0. 0. 0. 1. 1. 1. 2. 2. 2. 3. 3. 3. 4. GOES PREDICTORS -1. -3. -3. -4. -3. -3. -3. -3. -3. -3. -4. -5. -4. -3. -2. -1. OCEAN HEAT CONTENT -0. -0. -0. -0. -0. -1. -1. -1. -0. -0. 0. 1. 1. 2. 3. 5. RI POTENTIAL -0. -1. -2. -3. -4. -4. -3. -1. 1. 2. 4. 4. 4. 4. 4. 4. ------------------------------------------------------------------------------ TOTAL CHANGE -6. -8. -9. -9. -3. 1. 2. -2. -2. -2. -1. -0. 1. -7. -25. -40. CURRENT MAX WIND (KT): 60. LAT, LON: 24.2 176.3 ** 2022 E. PACIFIC RI INDEX EP102018 HECTOR 08/13/18 00 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) : 77.0 27.0 to 147.4 0.42 3.2 12 HR PERSISTENCE (KT) : -15.0 -22.0 to 44.0 0.11 0.8 MULTI-LAYER SHEAR (KT) : 23.0 30.9 to 7.7 0.34 2.0 D200 (10**7s-1) : 6.6 -33.0 to 159.5 0.21 1.2 BL DRY-AIR FLUX (W/M2) : 498.2 816.2 to -81.4 0.35 -1.9 MAXIMUM WIND (KT) : 60.0 22.5 to 132.0 0.97 4.7 STD DEV OF IR BR TEMP : 20.9 37.8 to 2.1 0.47 2.0 HEAT CONTENT (KJ/CM2) : 5.4 2.7 to 103.4 0.03 0.1 %area of TPW <45 mm upshear : 41.5 62.3 to 0.0 0.33 0.2 2nd PC OF IR BR TEMP : 0.6 2.2 to -2.3 0.35 0.2 SHIPS Prob RI for 20kt/ 12hr RI threshold= 6% is 0.9 times climatological mean ( 6.3%) SHIPS Prob RI for 25kt/ 24hr RI threshold= 14% is 1.1 times climatological mean (12.5%) SHIPS Prob RI for 30kt/ 24hr RI threshold= 12% is 1.4 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: 5.5% 14.2% 12.4% 0.0% 0.0% 0.0% 0.0% 0.0% Logistic: 0.1% 0.2% 0.1% 0.1% 0.0% 0.2% 0.1% 0.0% Bayesian: 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Consensus: 1.9% 4.8% 4.2% 0.0% 0.0% 0.1% 0.0% 0.0% ## ANNULAR HURRICANE INDEX (AHI) EP102018 HECTOR 08/13/18 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) ##