* EPAC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA MISSING, PROXY USED * * EP02 EP022008 06/27/08 18 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2008 E. Pacific Re-run RII EP022008 EP02 06/27/08 18 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): 15.0 Range:-22.0 to 38.5 Scaled/Wgted Val: 0.6/ 1.3 850-200 MB SHEAR (KT) : 15.8 Range: 18.7 to 1.4 Scaled/Wgted Val: 0.2/ 0.2 D200 (10**7s-1) : 9.0 Range:-11.0 to 135.3 Scaled/Wgted Val: 0.1/ 0.1 POT = MPI-VMAX (KT) : 94.3 Range: 40.3 to 144.5 Scaled/Wgted Val: 0.5/ 0.5 850-700 MB REL HUM (%): 80.0 Range: 57.6 to 96.8 Scaled/Wgted Val: 0.6/ 0.0 % area w/pixels <-30 C: 78.0 Range: 23.4 to 100.0 Scaled/Wgted Val: 0.7/ 0.2 STD DEV OF IR BR TEMP : 21.0 Range: 38.9 to 2.4 Scaled/Wgted Val: 0.5/ 0.6 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= 24% is 1.9 times the sample mean(12.5%) Prob of RI for 30 kt RI threshold= 17% is 2.0 times the sample mean( 8.3%) Prob of RI for 35 kt RI threshold= 14% is 2.5 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 EP02 Initial vmax, lat, lon: 45. 13.1 -109.5 Prob of RI for 30 kt RI threshold= 9%, 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 0627 18 ****** ****** 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 EP02 06/27/08 18 UTC ** ( 30 KT OR MORE MAX WIND INCREASE IN NEXT 24 HR) 12 HR PERSISTENCE (KT): 15.0 Range:-22.0 to 38.5 Scaled/Wgted Val: 0.6/ 1.2 850-200 MB SHEAR (KT) : 15.8 Range: 18.7 to 1.4 Scaled/Wgted Val: 0.2/ 0.3 D200 (10**7s-1) : 9.0 Range:-11.0 to 135.3 Scaled/Wgted Val: 0.1/ 0.2 POT = MPI-VMAX (KT) : 94.3 Range: 40.3 to 144.5 Scaled/Wgted Val: 0.5/ 0.8 % 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 : -0.6 Range: 2.1 to -1.7 Scaled/Wgted Val: 0.7/ -0.1 STD DEV OF IR BR TEMP : 21.0 Range: 38.9 to 2.4 Scaled/Wgted Val: 0.5/ 0.7 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): 96.6 Range:638.0 to -19.8 Scaled/Wgted Val: 0.8/ 0.0 MAXIMUM WIND (KT) : 45.0 Range: 22.5 to 132.0 Scaled/Wgted Val: 0.6/ 0.8 Prob of RI for 25 kt RI threshold= 19% is 1.5 times the sample mean(12.5%) Prob of RI for 30 kt RI threshold= 16% is 2.0 times the sample mean( 8.3%) Prob of RI for 35 kt RI threshold= 12% is 2.0 times the sample mean( 5.7%) Prob of RI for 40 kt RI threshold= 6% is 1.4 times the sample mean( 4.0%)