* EPAC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA MISSING, PROXY USED * * EP18 EP182008 11/03/08 06 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2008 E. Pacific Re-run RII EP182008 EP18 11/03/08 06 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): 5.0 Range:-22.0 to 38.5 Scaled/Wgted Val: 0.4/ 0.9 850-200 MB SHEAR (KT) : 9.9 Range: 18.7 to 1.4 Scaled/Wgted Val: 0.5/ 0.7 D200 (10**7s-1) : 28.6 Range:-11.0 to 135.3 Scaled/Wgted Val: 0.3/ 0.2 POT = MPI-VMAX (KT) : 112.1 Range: 40.3 to 144.5 Scaled/Wgted Val: 0.7/ 0.7 850-700 MB REL HUM (%): 76.4 Range: 57.6 to 96.8 Scaled/Wgted Val: 0.5/ 0.0 % area w/pixels <-30 C: 50.0 Range: 23.4 to 100.0 Scaled/Wgted Val: 0.3/ 0.1 STD DEV OF IR BR TEMP : 11.1 Range: 38.9 to 2.4 Scaled/Wgted Val: 0.8/ 0.9 Heat content (KJ/cm2) : 35.0 Range: 0.0 to 73.7 Scaled/Wgted Val: 0.5/ 0.5 Prob of RI for 25 kt RI threshold= 32% is 2.6 times the sample mean(12.5%) Prob of RI for 30 kt RI threshold= 23% is 2.8 times the sample mean( 8.3%) Prob of RI for 35 kt RI threshold= 17% is 2.9 times the sample mean( 5.7%) Prob of RI for 40 kt RI threshold= 1% is 0.3 times the sample mean( 4.0%) ++++++++ SECTION 2, RII WITH LIGHTNING DATA ++++++++ FOR GOES-R PROVING GROUND EP18 Initial vmax, lat, lon: 35. 8.8 -111.9 Prob of RI for 30 kt RI threshold= 16%, no lightning input, exper. algorithm Prob of RI for 30 kt RI threshold= 0%, with lightning input, exper. algorithm Recent Lightning Density History (Strikes/km2-year) Date/Time Inner core (0-100 km) Rainband (300-400 km) 08 1103 06 ****** ****** Sample mean: 14.9 7.9 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(v2) EPAC RE-RUN RII EP182008 EP18 11/03/08 06 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): 5.0 Range:-20.0 to 35.0 Scaled/Wgted Val: 0.5/ 1.1 850-200 MB SHEAR (KT) : 9.9 Range: 17.0 to 1.6 Scaled/Wgted Val: 0.5/ 0.8 D200 (10**7s-1) : 28.6 Range:-10.0 to 123.0 Scaled/Wgted Val: 0.3/ 0.4 POT = MPI-VMAX (KT) : 112.1 Range: 44.8 to 131.4 Scaled/Wgted Val: 0.8/ 1.1 % AREA WITH TPW <45 mm: 0.0 Range: 74.6 to 0.0 Scaled/Wgted Val: 1.0/ -0.2 2nd PC OF IR BR TEMP : 0.2 Range: 1.9 to -1.5 Scaled/Wgted Val: 0.5/ 0.0 STD DEV OF IR BR TEMP : 11.1 Range: 35.4 to 2.7 Scaled/Wgted Val: 0.7/ 1.1 HEAT CONTENT (KJ/cm2) : 35.0 Range: 0.0 to 67.0 Scaled/Wgted Val: 0.5/ 0.7 BL DRY-AIR FLUX (w/m2): 172.6 Range:580.0 to -18.0 Scaled/Wgted Val: 0.7/ -0.4 MAXIMUM WIND (KT) : 35.0 Range: 25.0 to 120.0 Scaled/Wgted Val: 0.3/ 0.4 Prob of RI for 25 kt RI threshold= 29% is 2.3 times the sample mean(12.5%) Prob of RI for 30 kt RI threshold= 21% is 2.5 times the sample mean( 8.3%) Prob of RI for 35 kt RI threshold= 13% is 2.2 times the sample mean( 5.7%) Prob of RI for 40 kt RI threshold= 12% is 2.9 times the sample mean( 4.0%)