* ATLC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA AVAILABLE * * AL13 AL132010 09/17/10 18 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2010 ATLANTIC RE-RUN RII AL132010 AL13 09/17/10 18 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): -5.0 Range:-45.0 to 30.0 Scaled/Wgted Val: 0.5/ 1.3 850-200 MB SHEAR (KT) : 17.4 Range: 26.2 to 3.2 Scaled/Wgted Val: 0.4/ 0.4 D200 (10**7s-1) : 56.8 Range:-21.0 to 140.0 Scaled/Wgted Val: 0.5/ 0.5 POT = MPI-VMAX (KT) : 48.8 Range: 33.8 to 126.5 Scaled/Wgted Val: 0.2/ 0.1 850-700 MB REL HUM (%): 80.0 Range: 56.0 to 85.0 Scaled/Wgted Val: 0.8/ 0.8 % area w/pixels <-30 C: 83.0 Range: 17.0 to 100.0 Scaled/Wgted Val: 0.8/ 0.1 STD DEV OF IR BR TEMP : 13.7 Range: 30.6 to 3.2 Scaled/Wgted Val: 0.6/ 0.9 Heat content (KJ/cm2) : 9.2 Range: 0.0 to 130.0 Scaled/Wgted Val: 0.1/ 0.0 Prob of RI for 25 kt RI threshold= 17% is 1.4 times the sample mean(12.2%) Prob of RI for 30 kt RI threshold= 13% is 1.6 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 8% is 1.6 times the sample mean( 4.8%) Prob of RI for 40 kt RI threshold= 1% is 0.3 times the sample mean( 3.3%) ++++++++ SECTION 2, RII WITH LIGHTNING DATA ++++++++ FOR GOES-R PROVING GROUND AL13 Initial vmax, lat, lon: 90. 19.2 -96.4 Prob of RI for 30 kt RI threshold= 4%, no lightning input, exper. algorithm Prob of RI for 30 kt RI threshold= 6%, with lightning input, exper. algorithm Recent Lightning Density History (Strikes/km2-year) Date/Time Inner core (0-100 km) Rainband (300-400 km) 10 0917 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 ** 2010 EXPERIMENTAL(nudge) ATLANTIC RI INDEX AL132010 AL13 09/17/10 18 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): -5.0 Range:-49.5 to 33.0 Scaled/Wgted Val: 0.5/ 1.2 850-200 MB SHEAR (KT) : 17.4 Range: 28.8 to 2.9 Scaled/Wgted Val: 0.4/ 0.6 D200 (10**7s-1) : 56.8 Range:-23.1 to 154.0 Scaled/Wgted Val: 0.5/ 0.3 POT = MPI-VMAX (KT) : 48.8 Range: 30.4 to 139.1 Scaled/Wgted Val: 0.2/ 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 : -1.0 Range: 2.4 to -2.4 Scaled/Wgted Val: 0.7/ 0.9 STD DEV OF IR BR TEMP : 13.7 Range: 33.7 to 2.9 Scaled/Wgted Val: 0.6/ 0.9 HEAT CONTENT (KJ/cm2) : 9.2 Range: 0.0 to 143.0 Scaled/Wgted Val: 0.1/ 0.1 BL DRY-AIR FLUX (w/m2): -19.4 Range:733.7 to 13.5 Scaled/Wgted Val: 1.0/ 1.2 MAXIMUM WIND (kt) : 90.0 Range: 22.5 to 121.0 Scaled/Wgted Val: 0.5/ 0.2 Prob of RI for 25 kt RI threshold= 15% is 1.2 times the sample mean(12.2%) Prob of RI for 30 kt RI threshold= 14% is 1.7 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 12% is 2.5 times the sample mean( 4.8%) Prob of RI for 40 kt RI threshold= 8% is 2.6 times the sample mean( 3.3%)