* 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:-22.0 to 38.5 Scaled/Wgted Val: 0.4/ 0.9 850-200 MB SHEAR (KT) : 8.5 Range: 18.7 to 1.4 Scaled/Wgted Val: 0.6/ 0.9 D200 (10**7s-1) : 47.6 Range:-11.0 to 135.3 Scaled/Wgted Val: 0.4/ 0.4 POT = MPI-VMAX (KT) : 109.7 Range: 40.3 to 144.5 Scaled/Wgted Val: 0.7/ 0.7 850-700 MB REL HUM (%): 82.6 Range: 57.6 to 96.8 Scaled/Wgted Val: 0.6/ 0.1 % area w/pixels <-30 C: 91.0 Range: 23.4 to 100.0 Scaled/Wgted Val: 0.9/ 0.2 STD DEV OF IR BR TEMP : 6.8 Range: 38.9 to 2.4 Scaled/Wgted Val: 0.9/ 1.1 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= 55% is 4.4 times the sample mean(12.5%) Prob of RI for 30 kt RI threshold= 29% is 3.5 times the sample mean( 8.3%) Prob of RI for 35 kt RI threshold= 21% is 3.7 times the sample mean( 5.7%) Prob of RI for 40 kt RI threshold= 13% is 3.2 times the sample mean( 4.0%) ++++++++ 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= 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 0722 00 ****** ****** 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(nudge) EPAC RE-RUN RII E EP08 07/22/08 00 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) : 8.5 Range: 18.7 to 1.4 Scaled/Wgted Val: 0.6/ 1.0 D200 (10**7s-1) : 47.6 Range:-11.0 to 135.3 Scaled/Wgted Val: 0.4/ 0.5 POT = MPI-VMAX (KT) : 109.7 Range: 40.3 to 144.5 Scaled/Wgted Val: 0.7/ 1.0 % AREA WITH TPW <45 mm: 0.0 Range: 82.1 to 0.0 Scaled/Wgted Val: 1.0/ -0.2 2nd PC OF IR BR TEMP : -1.4 Range: 2.1 to -1.7 Scaled/Wgted Val: 0.9/ -0.1 STD DEV OF IR BR TEMP : 6.8 Range: 38.9 to 2.4 Scaled/Wgted Val: 0.9/ 1.2 HEAT CONTENT (KJ/cm2) : 35.0 Range: 0.0 to 73.7 Scaled/Wgted Val: 0.5/ 0.7 BL DRY-AIR FLUX (w/m2): 52.0 Range:638.0 to -19.8 Scaled/Wgted Val: 0.9/ 0.0 MAXIMUM WIND (KT) : 35.0 Range: 22.5 to 132.0 Scaled/Wgted Val: 0.3/ 0.4 Prob of RI for 25 kt RI threshold= 39% is 3.1 times the sample mean(12.5%) Prob of RI for 30 kt RI threshold= 25% is 3.0 times the sample mean( 8.3%) Prob of RI for 35 kt RI threshold= 15% is 2.6 times the sample mean( 5.7%) Prob of RI for 40 kt RI threshold= 13% is 3.1 times the sample mean( 4.0%)