UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101306.upa.cvt Date: 0600Z 13 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0600Z 13 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 99 SFC 985 227 26.0 22.5 81 3.5 23.5 230 16 300.4 303.7 297.1 352.3 17.68 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): 936.34 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 0.00 C Layer 985.0- 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: 299.15 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 135 at 12 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 ---------------------------------------------------------- 0 985 227 230 16 12.3 10.3 | 265 21 20.9 1.6 1 925 529 245 16 14.5 6.8 | 275 23 23.1 -1.9 2 850 1228 65 5 -4.5 -2.1 | 339 12 4.1 -10.8 3 700 2791 85 24 -23.9 -2.1 | 55 19 -15.3 -10.7 4 500 5370 135 16 -11.3 11.3 | 135 4 -2.7 2.7 5 400 6980 5 4 -0.3 -4.0 | 327 15 8.3 -12.6 6 300 8970 210 3 1.5 2.6 | 301 12 10.1 -6.0 7 250 10180 240 11 9.5 5.5 | 280 18 18.2 -3.1 8 200 11600 280 14 13.8 -2.4 | 296 25 22.4 -11.1 9 150 13430 255 21 20.3 5.4 | 276 29 28.9 -3.2 Wind Parameters Mean winds (0-6000m): 105.0 at 16.3 knts Storm direction: 135.0 at 12.2 knts Shear (0-3000m) pos: 3.2 neg: 3.6 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 157.0 deg Storm rel helicity (0-3000m) pos: 104.0 neg: -39.0 tot: 65.0 m^2/s^2 ave: 21.7 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 3.8 10^-3/s Energy-Hel index: 41.74 Bulk Rich Number: 915.16 Bulk Shear: 109.51 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 ------------------------------------------------------------------------------- 500 234 16 269 21| 0.0 9.7 9.7| 20.5 -34.5 -14.0 -28.0 -0.22| 17.8 -3.8 1000 240 13 276 20| 0.0 10.7 10.7| 27.4 -39.0 -11.6 -11.6 0.05| 20.2 1.0 1500 235 11 277 18| 2.1 7.2 9.3| 46.1 -39.0 7.2 4.8 0.18| 15.6 2.8 2000 178 12 248 9| 3.2 5.4 8.5| 66.6 -39.0 27.7 13.8 0.27| 13.3 3.6 2500 104 14 40 7| 3.8 4.3 8.1| 90.3 -39.0 51.4 20.5 0.33| 12.0 4.0 3000 97 15 42 9| 3.2 3.6 6.7|104.0 -39.0 65.0 21.7 0.36| 10.7 3.8 4000 99 16 51 10| 2.1 2.7 4.8|119.2 -39.0 80.2 20.0 0.38| 9.0 3.4 5000 104 17 59 9| 1.6 2.1 3.7|127.0 -39.0 88.0 17.6 0.41| 7.9 3.2 6000 105 16 58 8| 1.3 2.6 3.9|127.5 -63.0 64.5 10.7 0.20| 8.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251013.06.gif