* EPAC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA MISSING, PROXY USED * * EP08 EP082008 07/22/08 00 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2008 E. Pacific Re-run RII EP082008 EP08 07/22/08 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) : 8.5 Range: 15.2 to 1.6 Scaled/Wgted Val: 0.5/ 0.5 D200 (10**7s-1) : 47.6 Range:-10.0 to 126.0 Scaled/Wgted Val: 0.4/ 0.3 POT = MPI-VMAX (KT) : 109.7 Range: 44.8 to 131.4 Scaled/Wgted Val: 0.7/ 0.6 850-700 MB REL HUM (%): 82.6 Range: 65.0 to 88.0 Scaled/Wgted Val: 0.8/ 0.3 % area w/pixels <-30 C: 91.0 Range: 26.0 to 100.0 Scaled/Wgted Val: 0.9/ 0.1 STD DEV OF IR BR TEMP : 6.8 Range: 35.4 to 2.7 Scaled/Wgted Val: 0.9/ 1.3 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= 55% is 4.7 times the sample mean(11.8%) Prob of RI for 30 kt RI threshold= 33% is 4.0 times the sample mean( 8.1%) Prob of RI for 35 kt RI threshold= 22% is 3.8 times the sample mean( 5.7%) Prob of RI for 40 kt RI threshold= 15% is 3.6 times the sample mean( 4.1%) ++++++++ SECTION 2, RII WITH LIGHTNING DATA ++++++++ FOR GOES-R PROVING GROUND EP08 Initial vmax, lat, lon: 35. 14.2 -103.4 Prob of RI for 30 kt RI threshold= 19%, no lightning input, exper. algorithm Prob of RI for 30 kt RI threshold= 18%, with lightning input, exper. algorithm Recent Lightning Density History (Strikes/km2-year) Date/Time Inner core (0-100 km) Rainband (300-400 km) 08 0722 00 3.2 35.2 08 0721 18 0.0 100.9 08 0721 12 0.0 14.3 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 E. PACIFIC RII EP082008 EP08 07/22/08 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: 0.8/ 0.3 850-200 MB SHEAR (KT) : 8.5 Range: 15.2 to 1.6 Scaled/Wgted Val: 0.5/ 0.7 D200 (10**7s-1) : 47.6 Range:-10.0 to 126.0 Scaled/Wgted Val: 0.4/ 0.7 POT = MPI-VMAX (KT) : 109.7 Range: 44.8 to 131.4 Scaled/Wgted Val: 0.6/ 0.4 % AREA WITH TPW <45 mm: 1.5 Range: 21.7 to 0.0 Scaled/Wgted Val: 0.9/ 0.2 2nd PC OF IR BR TEMP : -1.4 Range: 1.9 to -1.5 Scaled/Wgted Val: 1.0/ 0.1 STD DEV OF IR BR TEMP : 6.8 Range: 35.4 to 2.7 Scaled/Wgted Val: 0.9/ 2.2 HEAT CONTENT (KJ/cm2) : 35.0 Range: 0.0 to 67.0 Scaled/Wgted Val: 0.5/ 1.2 BL DRY-AIR FLUX (w/m2): 52.0 Range:580.0 to -18.0 Scaled/Wgted Val: 0.9/ -0.3 Prob of RI for 25 kt RI threshold= 49% is 4.2 times the sample mean(11.7%) Prob of RI for 30 kt RI threshold= 31% is 3.9 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 18% is 3.3 times the sample mean( 5.5%) Prob of RI for 40 kt RI threshold= 13% is 3.4 times the sample mean( 3.8%)