* ATLC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA AVAILABLE * * AL04 AL042008 07/21/08 18 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2008 ATLANTIC RE-RUN RII AL042008 AL04 07/21/08 18 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): 0.0 Range:-45.0 to 30.0 Scaled/Wgted Val: 0.6/ 1.3 850-200 MB SHEAR (KT) : 4.8 Range: 26.2 to 3.2 Scaled/Wgted Val: 0.9/ 1.4 D200 (10**7s-1) : 41.2 Range: -6.0 to 140.0 Scaled/Wgted Val: 0.3/ 0.5 POT = MPI-VMAX (KT) : 96.2 Range: 33.5 to 126.5 Scaled/Wgted Val: 0.7/ 0.4 850-700 mb RH : 72.4 Range: 56.0 to 85.0 Scaled/Wgted Val: 0.6/ 0.5 % area of IR TEMP <-30: 66.0 Range: 17.0 to 100.0 Scaled/Wgted Val: 0.6/ -0.2 STD DEV OF IR BR TEMP : 18.4 Range: 26.2 to 3.2 Scaled/Wgted Val: 0.3/ 0.6 HEAT CONTENT (KJ/cm2) : 49.0 Range: 0.0 to 130.0 Scaled/Wgted Val: 0.4/ 0.0 Prob of RI for 25 kt RI threshold= 30% is 2.4 times the sample mean(12.6%) Prob of RI for 30 kt RI threshold= 19% is 2.3 times the sample mean( 8.1%) Prob of RI for 35 kt RI threshold= 13% is 2.4 times the sample mean( 4.8%) Prob of RI for 40 kt RI threshold= 13% is 5.6 times the sample mean( 3.4%) ++++++++ SECTION 2, RII WITH LIGHTNING DATA ++++++++ FOR GOES-R PROVING GROUND AL04 Initial vmax, lat, lon: 45. 22.9 -90.4 Prob of RI for 30 kt RI threshold= 12%, no lightning input, exper. algorithm Prob of RI for 30 kt RI threshold= 16%, with lightning input, exper. algorithm Recent Lightning Density History (Strikes/km2-year) Date/Time Inner core (0-100 km) Rainband (300-400 km) 08 0721 18 0.0 92.8 08 0721 12 0.0 4.9 08 0721 00 136.1 35.6 08 0720 18 126.0 47.0 08 0720 12 8.9 21.8 Sample mean: 21.5 14.7 Note: Inner core lightning < sample mean favors RI Rainband lightning > sample mean favors RI ++++++++ SECTION 3, RII WITH TPW, IR PC AND FLUX +++ FOR JHT ** 2008 EXPERIMENTAL ATLANTIC RE-RUN RII AL042008 AL04 07/21/08 18 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): 0.0 Range:-45.0 to 30.0 Scaled/Wgted Val: 0.8/ -0.7 850-200 MB SHEAR (KT) : 4.8 Range: 26.2 to 3.2 Scaled/Wgted Val: 0.9/ 1.9 D200 (10**7s-1) : 41.2 Range: -6.0 to 140.0 Scaled/Wgted Val: 0.3/ 0.5 POT = MPI-VMAX (KT) : 96.2 Range: 33.5 to 126.5 Scaled/Wgted Val: 0.6/ 0.5 % AREA WITH TPW <45 mm: 2.2 Range: 94.6 to 0.0 Scaled/Wgted Val: 1.0/ 0.4 2nd PC OF IR BR TEMP : 0.2 Range: 2.2 to -2.2 Scaled/Wgted Val: 0.5/ 0.6 STD DEV OF IR BR TEMP : 18.4 Range: 26.0 to 3.2 Scaled/Wgted Val: 0.3/ 0.6 HEAT CONTENT (KJ/cm2) : 49.0 Range: 0.0 to 130.0 Scaled/Wgted Val: 0.4/ 0.3 BL DRY-AIR FLUX (w/m2): 120.0 Range:648.0 to 15.0 Scaled/Wgted Val: 0.8/ 0.9 Prob of RI for 25 kt RI threshold= 42% is 3.4 times the sample mean(12.6%) Prob of RI for 30 kt RI threshold= 27% is 3.4 times the sample mean( 8.1%) Prob of RI for 35 kt RI threshold= 18% is 3.7 times the sample mean( 4.8%) Prob of RI for 40 kt RI threshold= 10% is 2.9 times the sample mean( 3.4%)