UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010806.upa.cvt Date: 0600Z 8 JAN 26 Searching for DRRN... Searching the city database file for: DRRN ... Date:0600Z 8 JAN 26 Station: DRRN WMO ident: 61052 Latitude: 13.48 Longitude: 2.17 Elevation: 227.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 120 SFC 987 227 20.4 0.4 26 20.0 10.2 340 5 294.7 295.4 284.0 306.4 3.98 TRP WND Sounding variables and indices Sfc-500 mean rel hum: -nan % Est. max temperature: -273.15 C = -459.67 F Sfc-Lift cond lev (LCL): 731.76 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 0.00 C Layer 987.0- -0.0 mb Conv cond level (CCL): None Cap Strength: -9725.85 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 100214.80 J/kg Max Up Vert Vel: 447.69 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 293.55 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 124 at 16 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 987 227 340 5 1.7 -4.7 | 312 20 15.1 -13.7 1 925 545 35 22 -12.6 -18.0 | 358 27 0.8 -27.0 2 850 1244 65 20 -18.1 -8.5 | 15 18 -4.7 -17.5 3 700 2806 50 18 -13.8 -11.6 | 1 21 -0.4 -20.6 4 500 5380 145 27 -15.5 22.1 | 171 13 -2.1 13.1 5 400 7000 185 31 2.7 30.9 | 216 27 16.1 21.9 6 300 8990 240 38 32.9 19.0 | 258 47 46.3 10.0 7 250 10190 240 45 39.0 22.5 | 256 54 52.4 13.5 8 200 11610 220 42 27.0 32.2 | 240 47 40.4 23.2 Wind Parameters Mean winds (0-6000m): 93.9 at 21.5 knts Storm direction: 123.9 at 16.1 knts Shear (0-3000m) pos: 4.0 neg: 0.8 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 62.0 deg Storm rel helicity (0-3000m) pos: 191.1 neg: -22.6 tot: 168.5 m^2/s^2 ave: 56.2 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 4.5 10^-3/s Energy-Hel index: 106.54 Bulk Rich Number: 1863.85 Bulk Shear: 53.77 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 30 16 346 23| 20.3 0.0 20.3|144.1 0.0 144.1 288.2 0.91| 25.0 22.6 1000 41 18 356 22| 10.4 0.0 10.4|170.1 0.0 170.1 170.1 0.82| 16.6 13.6 1500 48 18 1 21| 6.9 0.5 7.4|170.1 -6.7 163.4 108.9 0.74| 11.6 8.6 2000 51 18 2 21| 5.2 0.8 6.0|170.1 -14.5 155.6 77.8 0.67| 9.1 6.1 2500 51 18 3 21| 4.2 1.0 5.2|170.1 -22.5 147.6 59.1 0.60| 7.6 4.6 3000 52 18 3 20| 4.0 0.8 4.9|191.1 -22.6 168.5 56.2 0.62| 7.2 4.5 4000 61 19 10 19| 4.0 0.6 4.6|233.1 -22.6 210.5 52.6 0.68| 7.2 4.9 5000 76 20 24 15| 3.7 0.5 4.2|271.3 -22.6 248.8 49.8 0.74| 7.5 5.5 6000 94 22 47 11| 3.2 0.4 3.7|312.9 -22.6 290.3 48.4 0.74| 7.4 5.4 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20260108.06.gif