* EPAC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA MISSING, PROXY USED * * EP18 EP182008 11/03/08 00 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2008 E. Pacific Re-run RII EP182008 EP18 11/03/08 00 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) : 8.7 Range: 15.2 to 1.6 Scaled/Wgted Val: 0.5/ 0.5 D200 (10**7s-1) : 42.8 Range:-10.0 to 126.0 Scaled/Wgted Val: 0.4/ 0.3 POT = MPI-VMAX (KT) : 116.0 Range: 44.8 to 131.4 Scaled/Wgted Val: 0.8/ 0.7 850-700 MB REL HUM (%): 76.2 Range: 65.0 to 88.0 Scaled/Wgted Val: 0.5/ 0.2 % area w/pixels <-30 C: 70.0 Range: 26.0 to 100.0 Scaled/Wgted Val: 0.6/ 0.1 STD DEV OF IR BR TEMP : 12.8 Range: 35.4 to 2.7 Scaled/Wgted Val: 0.7/ 1.0 Heat content (KJ/cm2) : 35.0 Range: 0.0 to 67.0 Scaled/Wgted Val: 0.5/ 0.5 Prob of RI for 25 kt RI threshold= 36% is 3.0 times the sample mean(11.8%) Prob of RI for 30 kt RI threshold= 24% is 2.9 times the sample mean( 8.1%) Prob of RI for 35 kt RI threshold= 19% is 3.3 times the sample mean( 5.7%) Prob of RI for 40 kt RI threshold= 14% is 3.3 times the sample mean( 4.1%) ++++++++ SECTION 2, RII WITH LIGHTNING DATA ++++++++ FOR GOES-R PROVING GROUND EP18 Initial vmax, lat, lon: 30. 8.8 -110.7 Prob of RI for 30 kt RI threshold= 19%, no lightning input, exper. algorithm Prob of RI for 30 kt RI threshold= 19%, 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 00 0.0 0.0 08 1102 18 0.0 0.0 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 00 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/ 1.0 850-200 MB SHEAR (KT) : 8.7 Range: 15.2 to 1.6 Scaled/Wgted Val: 0.5/ 0.6 D200 (10**7s-1) : 42.8 Range:-10.0 to 126.0 Scaled/Wgted Val: 0.4/ 0.5 POT = MPI-VMAX (KT) : 116.0 Range: 44.8 to 131.4 Scaled/Wgted Val: 0.8/ 1.1 % AREA WITH TPW <45 mm: 1.5 Range: 21.7 to 0.0 Scaled/Wgted Val: 0.9/ 0.1 2nd PC OF IR BR TEMP : 0.0 Range: 1.9 to -1.5 Scaled/Wgted Val: 0.6/ 0.0 STD DEV OF IR BR TEMP : 12.8 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/ 0.6 BL DRY-AIR FLUX (w/m2): 139.0 Range:580.0 to -18.0 Scaled/Wgted Val: 0.7/ -0.3 MAXIMUM WIND (KT) : 30.0 Range: 25.0 to 120.0 Scaled/Wgted Val: 0.1/ 0.2 Prob of RI for 25 kt RI threshold= 31% is 2.7 times the sample mean(11.7%) Prob of RI for 30 kt RI threshold= 20% is 2.5 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 14% is 2.6 times the sample mean( 5.5%) Prob of RI for 40 kt RI threshold= 1% is 0.3 times the sample mean( 3.8%)