* ATLC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA AVAILABLE * * AL17 AL172008 11/05/08 18 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2008 Atlantic Re-run RII AL172008 AL17 11/05/08 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/ 1.6 850-200 MB SHEAR (KT) : 3.6 Range: 26.2 to 3.2 Scaled/Wgted Val: 1.0/ 1.4 D200 (10**7s-1) : 56.8 Range:-18.0 to 165.0 Scaled/Wgted Val: 0.4/ 0.4 POT = MPI-VMAX (KT) : 115.4 Range: 33.8 to 126.5 Scaled/Wgted Val: 0.9/ 0.5 850-700 MB REL HUM (%): 82.0 Range: 56.0 to 85.0 Scaled/Wgted Val: 0.9/ 0.7 % area w/pixels <-30 C: 94.0 Range: 17.0 to 100.0 Scaled/Wgted Val: 0.9/ 0.1 STD DEV OF IR BR TEMP : 11.1 Range: 34.1 to 3.2 Scaled/Wgted Val: 0.7/ 1.0 Heat content (KJ/cm2) : 42.4 Range: 0.0 to 130.0 Scaled/Wgted Val: 0.3/ 0.0 Prob of RI for 25 kt RI threshold= 58% is 4.8 times the sample mean(12.2%) Prob of RI for 30 kt RI threshold= 46% is 5.8 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 28% is 5.8 times the sample mean( 4.8%) Prob of RI for 40 kt RI threshold= 15% is 4.5 times the sample mean( 3.3%) ++++++++ SECTION 2, RII WITH LIGHTNING DATA ++++++++ FOR GOES-R PROVING GROUND AL17 Initial vmax, lat, lon: 25. 13.7 -81.6 Prob of RI for 30 kt RI threshold= 31%, no lightning input, exper. algorithm Prob of RI for 30 kt RI threshold= 41%, with lightning input, exper. algorithm Recent Lightning Density History (Strikes/km2-year) Date/Time Inner core (0-100 km) Rainband (300-400 km) 08 1105 18 ****** ****** 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(nudge) ATLANTIC RE-RUN RII AL172008 AL17 11/05/08 18 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): 0.0 Range:-49.5 to 33.0 Scaled/Wgted Val: 0.6/ 1.5 850-200 MB SHEAR (KT) : 3.6 Range: 28.8 to 2.9 Scaled/Wgted Val: 1.0/ 1.4 D200 (10**7s-1) : 56.8 Range:-19.8 to 181.5 Scaled/Wgted Val: 0.4/ 0.4 POT = MPI-VMAX (KT) : 115.4 Range: 30.4 to 139.1 Scaled/Wgted Val: 0.8/ 0.6 % AREA WITH TPW <45 mm: 0.0 Range:100.0 to 0.0 Scaled/Wgted Val: 1.0/ 0.4 2nd PC OF IR BR TEMP :9999.0 Range: 2.4 to -3.1 Scaled/Wgted Val:999.0/999.0 STD DEV OF IR BR TEMP : 11.1 Range: 37.5 to 2.9 Scaled/Wgted Val: 0.8/ 0.9 HEAT CONTENT (KJ/cm2) : 42.4 Range: 0.0 to 143.0 Scaled/Wgted Val: 0.3/ 0.2 BL DRY-AIR FLUX (w/m2): 54.4 Range:960.3 to 4.5 Scaled/Wgted Val: 0.9/ 0.0 MAXIMUM WIND (kt) : 25.0 Range: 22.5 to 121.0 Scaled/Wgted Val: 0.1/ 0.0 Prob of RI for 25 kt RI threshold= 999% is 999.0 times the sample mean(12.2%) Prob of RI for 30 kt RI threshold= 999% is 999.0 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 999% is 999.0 times the sample mean( 4.8%) Prob of RI for 40 kt RI threshold= 999% is 999.0 times the sample mean( 3.3%)