UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101506.upa.cvt Date: 0600Z 15 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0600Z 15 OCT 25 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 115 SFC 986 227 15.0 10.0 72 5.0 12.1 250 4 289.3 290.7 285.8 311.4 7.83 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): 914.80 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 0.00 C Layer 986.0- -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: 288.15 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 122 at 8 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 ---------------------------------------------------------- 0 986 227 250 4 3.8 1.4 | 285 11 10.3 -2.8 1 925 539 205 12 5.1 10.9 | 240 13 11.6 6.7 2 850 1237 120 12 -10.4 6.0 | 116 4 -3.8 1.9 3 700 2800 65 14 -12.7 -5.9 | 31 12 -6.1 -10.1 4 500 5370 100 7 -6.9 1.2 | 6 3 -0.3 -2.9 5 400 6990 350 1 0.2 -1.0 | 307 8 6.7 -5.1 6 300 8980 55 6 -4.9 -3.4 | 348 8 1.7 -7.6 7 250 10190 55 10 -8.2 -5.7 | 9 10 -1.6 -9.9 8 200 11610 250 8 7.5 2.7 | 276 14 14.1 -1.4 9 150 13430 245 15 13.6 6.3 | 264 20 20.2 2.2 Wind Parameters Mean winds (0-6000m): 92.2 at 10.4 knts Storm direction: 122.2 at 7.8 knts Shear (0-3000m) pos: 0.2 neg: 3.1 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 108.6 deg Storm rel helicity (0-3000m) pos: 1.2 neg: -82.0 tot: -80.8 m^2/s^2 ave: -26.9 10^-3 m/s^2 rel: -0.81 Storm rel vorticity (0-3000m) horiz: 7.2 stream: -5.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2803.35 Bulk Shear: 35.75 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 ------------------------------------------------------------------------------- 500 208 9 250 11| 0.0 11.5 11.5| 0.0 -43.6 -43.6 -87.2 -0.91| 15.3-13.9 1000 183 10 230 9| 0.0 7.6 7.6| 0.0 -62.0 -62.0 -62.0 -0.88| 14.3-12.6 1500 156 11 201 6| 0.0 5.5 5.5| 0.0 -66.7 -66.7 -44.5 -0.88| 10.9 -9.6 2000 136 11 162 4| 0.0 4.4 4.4| 0.0 -72.5 -72.5 -36.3 -0.87| 9.2 -8.0 2500 119 12 114 4| 0.0 3.7 3.7| 0.0 -80.6 -80.6 -32.3 -0.86| 8.2 -7.0 3000 107 12 83 5| 0.2 3.1 3.3| 1.2 -82.0 -80.8 -26.9 -0.81| 7.2 -5.9 4000 97 12 63 6| 0.7 2.3 3.0| 1.8 -82.1 -80.4 -20.1 -0.74| 5.9 -4.4 5000 94 11 54 6| 0.9 1.8 2.7| 1.8 -83.8 -82.0 -16.4 -0.72| 5.1 -3.7 6000 92 10 45 5| 0.7 1.4 2.1| 1.8 -89.9 -88.1 -14.7 -0.70| 4.8 -3.4 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251015.06.gif