* ATLANTIC SHIPS INTENSITY FORECAST * * GOES AND/OR OHC INPUT MISSING * * HUMBERTO AL092007 09/13/07 18 UTC * TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120 V (KT) NO LAND 35 26 20 17 15 DIS DIS DIS DIS DIS DIS DIS DIS V (KT) LAND 35 31 29 28 28 DIS DIS DIS DIS DIS DIS DIS DIS V (KT) LGE mod 35 31 29 28 27 27 27 27 27 27 30 DIS DIS SHEAR (KTS) 21 19 26 28 31 43 43 51 42 29 33 N/A N/A SHEAR DIR 270 248 245 236 231 245 251 274 261 253 225 N/A N/A SST (C) 29.2 28.7 28.3 28.3 28.2 28.3 27.8 27.3 27.1 26.4 24.8 N/A N/A POT. INT. (KT) 155 147 141 141 139 141 134 128 126 119 104 N/A N/A ADJ. POT. INT. 133 125 119 119 118 119 113 108 106 101 89 N/A N/A 200 MB T (C) -52.6 -52.3 -52.9 -53.3 -53.3 -53.8 -54.2 -55.1 -55.6 -56.6 -57.2 N/A N/A TH_E DEV (C) 6 7 4 4 6 0 1 0 0 0 1 N/A N/A 700-500 MB RH 62 58 57 55 50 39 32 32 36 39 40 N/A N/A GFS VTEX (KT) 8 8 9 11 11 7 5 3 3 3 LOST LOST LOST 850 MB ENV VOR -25 -27 -41 -18 9 -9 -5 -56 -33 -69 -50 N/A N/A 200 MB DIV 50 33 17 15 45 -3 -35 -20 -27 -24 9 N/A N/A LAND (KM) -138 -200 -221 -238 -262 -301 -353 -257 -206 -100 33 N/A N/A LAT (DEG N) 31.0 31.6 32.2 32.6 32.9 33.2 33.7 34.5 35.5 36.7 38.3 N/A N/A LONG(DEG W) 92.9 92.0 91.1 90.1 89.0 86.6 84.2 81.9 79.6 77.1 74.7 N/A N/A STM SPEED (KT) 10 10 9 10 10 10 10 10 11 12 12 N/A N/A HEAT CONTENT 9999 9999 9999 9999 9999 9999 9999 9999 9999 9999 0 9999 9999 FORECAST TRACK FROM OFCI INITIAL HEADING/SPEED (DEG/KT): 40/ 10 CX,CY: 6/ 8 T-12 MAX WIND: 75 PRESSURE OF STEERING LEVEL (MB): 613 (MEAN=625) GOES IR BRIGHTNESS TEMP. STD DEV. 100-300 KM RAD: -99.0 (MEAN=20.0) % GOES IR PIXELS WITH T < -20 C 50-200 KM RAD: -99.0 (MEAN=69.0) INDIVIDUAL CONTRIBUTIONS TO INTENSITY CHANGE 6 12 18 24 36 48 60 72 84 96 108 120 ---------------------------------------------------------- SAMPLE MEAN CHANGE 1. 2. 3. 4. 6. 8. 9. 10. 11. 11. 12. 13. SST POTENTIAL 1. 1. 1. 2. 4. 7. 10. 12. 14. 14. 15. 16. VERTICAL SHEAR 1. 3. 4. 6. 6. 4. -1. -5. -8. -8. -10. -15. PERSISTENCE -11. -19. -24. -29. -32. -31. -30. -28. -23. -16. -7. -2. 200/250 MB TEMP. 0. 0. -1. -1. -1. 0. 1. 3. 6. 9. 9. 10. THETA_E EXCESS 0. -1. -2. -2. -3. -5. -8. -12. -16. -19. -22. -24. 700-500 MB RH 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. GFS VORTEX TENDENCY 0. 0. 1. 1. -1. -3. -5. -6. -6. -6. -6. -6. 850 MB ENV VORTICITY 0. -1. -1. -1. -2. -2. -3. -4. -5. -6. -6. -7. 200 MB DIVERGENCE 0. 0. 0. 0. 0. -1. -2. -3. -4. -4. -4. -3. ZONAL STORM MOTION 0. 0. -1. -1. -2. -2. -3. -4. -5. -6. -7. -8. STEERING LEVEL PRES 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. DAYS FROM CLIM. PEAK 0. 0. 0. 1. 1. 1. 2. 2. 2. 2. 2. 2. ---------------------------------------------------------- SUB-TOTAL CHANGE -9. -15. -18. -20. -23. -26. -33. -35. -33. -29. -25. -24. SATELLITE ADJUSTMENTS ---------------------------------------------------------- MEAN ADJUSTMENT 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. GOES IR STD DEV 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. GOES IR PIXEL COUNT 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. OCEAN HEAT CONTENT 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. ---------------------------------------------------------- TOTAL ADJUSTMENT 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. ---------------------------------------------------------- TOTAL CHANGE (KT) -9. -15. -18. -20. -23. -26. -33. -35. -33. -29. -25. -24. ** 2007 ATLANTIC RAPID INTENSITY INDEX AL092007 HUMBERTO 09/13/07 18 UTC ** ( 25 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): -40.0 Range:-45.0 to 30.0 Scaled/Wgted Val: 0.1/ 0.1 850-200 MB SHEAR (KT) : 24.9 Range: 35.1 to 3.2 Scaled/Wgted Val: 0.3/ 0.2 D200 (10**7s-1) : 32.0 Range:-20.0 to 149.0 Scaled/Wgted Val: 0.3/ 0.3 POT = MPI-VMAX (KT) : 87.9 Range: 8.1 to 130.7 Scaled/Wgted Val: 0.7/ 1.3 850-700 MB REL HUM (%): 66.8 Range: 57.0 to 88.0 Scaled/Wgted Val: 0.3/ 0.1 % area w/pixels <-30 C: 41.0 Range: 17.0 to 100.0 Scaled/Wgted Val: 0.3/ 0.2 STD DEV OF IR BR TEMP : 25.1 Range: 37.5 to 5.3 Scaled/Wgted Val: 0.4/ 0.3 Scaled RI index= 2.3 Prob of RI= 3% is 0.3 times the sample mean(12%) Discrim RI index= 2.5 Prob of RI= 3% is 0.2 times the sample mean(12%) ## ANNULAR HURRICANE INDEX (AHI) AL092007 HUMBERTO 09/13/07 18 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) ## ## ANNULAR INDEX RAN NORMALLY