* EPAC RAPID INTENSITY INDEX TESTS * * GOES DATA AVAILABLE * * OHC DATA MISSING, PROXY USED * * EP04 EP042008 07/02/08 12 UTC * ++++++++ SECTION 1, COPY OF OPERATIONAL RII ++++++++ ** 2008 E. Pacific Re-run RII EP042008 EP04 07/02/08 12 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) : 18.0 Range: 15.2 to 1.6 Scaled/Wgted Val: 0.0/ 0.0 D200 (10**7s-1) : 24.0 Range:-10.0 to 126.0 Scaled/Wgted Val: 0.3/ 0.2 POT = MPI-VMAX (KT) : 97.9 Range: 44.8 to 131.4 Scaled/Wgted Val: 0.6/ 0.5 850-700 MB REL HUM (%): 78.6 Range: 65.0 to 88.0 Scaled/Wgted Val: 0.6/ 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 : 30.4 Range: 35.4 to 2.7 Scaled/Wgted Val: 0.2/ 0.2 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= 15% is 1.3 times the sample mean(11.8%) Prob of RI for 30 kt RI threshold= 2% is 0.3 times the sample mean( 8.1%) Prob of RI for 35 kt RI threshold= 2% is 0.3 times the sample mean( 5.7%) Prob of RI for 40 kt RI threshold= 1% is 0.3 times the sample mean( 4.1%) ++++++++ SECTION 2, RII WITH LIGHTNING DATA ++++++++ FOR GOES-R PROVING GROUND EP04 Initial vmax, lat, lon: 35. 17.1 -107.7 Prob of RI for 30 kt RI threshold= 2%, no lightning input, exper. algorithm Prob of RI for 30 kt RI threshold= 3%, with lightning input, exper. algorithm Recent Lightning Density History (Strikes/km2-year) Date/Time Inner core (0-100 km) Rainband (300-400 km) 08 0702 12 0.0 1.6 08 0702 06 0.0 0.0 08 0702 00 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 EP042008 EP04 07/02/08 12 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) : 18.0 Range: 15.2 to 1.6 Scaled/Wgted Val: 0.0/ 0.0 D200 (10**7s-1) : 24.0 Range:-10.0 to 126.0 Scaled/Wgted Val: 0.3/ 0.3 POT = MPI-VMAX (KT) : 97.9 Range: 44.8 to 131.4 Scaled/Wgted Val: 0.6/ 0.8 % AREA WITH TPW <45 mm: 0.7 Range: 21.7 to 0.0 Scaled/Wgted Val: 1.0/ 0.1 2nd PC OF IR BR TEMP : -0.5 Range: 1.9 to -1.5 Scaled/Wgted Val: 0.7/ 0.0 STD DEV OF IR BR TEMP : 30.4 Range: 35.4 to 2.7 Scaled/Wgted Val: 0.2/ 0.2 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): 30.0 Range:580.0 to -18.0 Scaled/Wgted Val: 0.9/ -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= 12% is 1.0 times the sample mean(11.7%) Prob of RI for 30 kt RI threshold= 2% is 0.3 times the sample mean( 7.9%) Prob of RI for 35 kt RI threshold= 2% is 0.3 times the sample mean( 5.5%) Prob of RI for 40 kt RI threshold= 1% is 0.3 times the sample mean( 3.8%)