* ATLC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA AVAILABLE * * AL17 AL172010 10/08/10 00 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2010 ATLANTIC RE-RUN RII AL172010 AL17 10/08/10 00 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/ 1.5 850-200 MB SHEAR (KT) : 10.4 Range: 26.2 to 3.2 Scaled/Wgted Val: 0.7/ 0.8 D200 (10**7s-1) : 54.8 Range:-21.0 to 140.0 Scaled/Wgted Val: 0.5/ 0.5 POT = MPI-VMAX (KT) : 74.9 Range: 33.8 to 126.5 Scaled/Wgted Val: 0.4/ 0.3 850-700 MB REL HUM (%): 70.8 Range: 56.0 to 85.0 Scaled/Wgted Val: 0.5/ 0.5 % area w/pixels <-30 C: 50.0 Range: 17.0 to 100.0 Scaled/Wgted Val: 0.4/ 0.1 STD DEV OF IR BR TEMP : 21.1 Range: 30.6 to 3.2 Scaled/Wgted Val: 0.3/ 0.5 Heat content (KJ/cm2) : 33.8 Range: 0.0 to 130.0 Scaled/Wgted Val: 0.3/ 0.1 Prob of RI for 25 kt RI threshold= 18% is 1.5 times the sample mean(12.2%) Prob of RI for 30 kt RI threshold= 12% is 1.6 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 9% is 1.9 times the sample mean( 4.8%) Prob of RI for 40 kt RI threshold= 7% is 2.3 times the sample mean( 3.3%) ++++++++ SECTION 2, RII WITH LIGHTNING DATA ++++++++ FOR GOES-R PROVING GROUND AL17 Initial vmax, lat, lon: 50. 23.8 -67.1 Prob of RI for 30 kt RI threshold= 4%, no lightning input, exper. algorithm Prob of RI for 30 kt RI threshold= 4%, with lightning input, exper. algorithm Recent Lightning Density History (Strikes/km2-year) Date/Time Inner core (0-100 km) Rainband (300-400 km) 10 1008 00 ****** ****** 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 ** 2010 EXPERIMENTAL(nudge) ATLANTIC RI INDEX AL172010 AL17 10/08/10 00 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/ 1.3 850-200 MB SHEAR (KT) : 10.4 Range: 28.8 to 2.9 Scaled/Wgted Val: 0.7/ 0.9 D200 (10**7s-1) : 54.8 Range:-23.1 to 154.0 Scaled/Wgted Val: 0.4/ 0.3 POT = MPI-VMAX (KT) : 74.9 Range: 30.4 to 139.1 Scaled/Wgted Val: 0.4/ 0.0 % AREA WITH TPW <45 mm: 0.0 Range:100.0 to 0.0 Scaled/Wgted Val: 1.0/ 0.5 2nd PC OF IR BR TEMP : 0.0 Range: 2.4 to -2.4 Scaled/Wgted Val: 0.5/ 0.7 STD DEV OF IR BR TEMP : 21.1 Range: 33.7 to 2.9 Scaled/Wgted Val: 0.4/ 0.5 HEAT CONTENT (KJ/cm2) : 33.8 Range: 0.0 to 143.0 Scaled/Wgted Val: 0.2/ 0.3 BL DRY-AIR FLUX (w/m2): 229.6 Range:733.7 to 13.5 Scaled/Wgted Val: 0.7/ 0.8 MAXIMUM WIND (kt) : 50.0 Range: 22.5 to 121.0 Scaled/Wgted Val: 0.8/ 0.4 Prob of RI for 25 kt RI threshold= 18% is 1.4 times the sample mean(12.2%) Prob of RI for 30 kt RI threshold= 16% is 1.6 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 10% is 2.8 times the sample mean( 4.8%) Prob of RI for 40 kt RI threshold= 10% is 2.9 times the sample mean( 3.3%)