UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101906.upa.cvt Date: 0600Z 19 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0600Z 19 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 121 SFC 987 227 15.0 10.0 72 5.0 12.1 0 0 289.2 290.6 285.8 311.3 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): 915.72 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: 288.15 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 116 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 ---------------------------------------------------------- 0 987 227 0 0 -0.0 -0.0 | 296 8 7.4 -3.6 1 971 305 200 6 2.1 5.6 | 258 10 9.5 2.0 2 925 545 155 5 -2.1 4.5 | 260 5 5.3 0.9 3 918 610 155 5 -2.1 4.5 | 260 5 5.3 0.9 4 885 914 80 2 -2.0 -0.3 | 306 7 5.5 -4.0 5 853 1219 75 6 -5.8 -1.6 | 342 5 1.6 -5.2 6 850 1244 65 6 -5.4 -2.5 | 342 6 2.0 -6.2 7 790 1829 60 12 -10.4 -6.0 | 17 10 -3.0 -9.6 8 761 2134 55 18 -14.7 -10.3 | 28 16 -7.3 -13.9 9 733 2438 70 19 -17.9 -6.5 | 46 15 -10.4 -10.1 10 705 2743 65 21 -19.0 -8.9 | 43 17 -11.6 -12.5 11 700 2806 65 21 -19.0 -8.9 | 43 17 -11.6 -12.5 12 626 3658 100 7 -6.9 1.2 | 347 2 0.5 -2.4 13 578 4267 145 9 -5.2 7.4 | 211 4 2.3 3.8 14 534 4877 125 7 -5.7 4.0 | 257 2 1.7 0.4 15 500 5380 85 15 -14.9 -1.3 | 57 9 -7.5 -4.9 16 453 6096 90 15 -15.0 0.0 | 64 8 -7.6 -3.6 17 400 7000 105 8 -7.7 2.1 | 10 2 -0.3 -1.5 18 366 7620 130 5 -3.8 3.2 | 276 4 3.6 -0.4 19 300 8990 270 4 4.0 -0.0 | 288 12 11.4 -3.6 20 293 9144 270 5 5.0 -0.0 | 286 13 12.4 -3.6 21 250 10190 255 9 8.7 2.3 | 275 16 16.1 -1.3 22 232 10668 240 9 7.8 4.5 | 267 15 15.2 0.9 23 200 11610 230 15 11.5 9.6 | 252 20 18.9 6.0 24 150 13440 215 27 15.5 22.1 | 231 29 22.9 18.5 25 113 15240 255 24 23.2 6.2 | 265 31 30.6 2.6 26 100 16010 170 15 -2.6 14.8 | 203 12 4.8 11.2 27 70 18270 60 9 -7.8 -4.5 | 2 8 -0.4 -8.1 28 70 18288 305 12 9.8 -6.9 | 301 20 17.3 -10.5 29 50 20400 135 15 -10.6 10.6 | 156 8 -3.2 7.0 30 43 21336 60 12 -10.4 -6.0 | 17 10 -3.0 -9.6 31 30 23640 90 41 -41.0 0.0 | 84 34 -33.6 -3.6 32 27 24384 85 46 -45.8 -4.0 | 79 39 -38.4 -7.6 33 20 26210 90 57 -57.0 0.0 | 86 50 -49.6 -3.6 34 16 27432 95 53 -52.8 4.6 | 91 45 -45.4 1.0 35 10 30600 90 43 -43.0 0.0 | 84 36 -35.6 -3.6 Wind Parameters Mean winds (0-6000m): 85.9 at 11.0 knts Storm direction: 115.9 at 8.3 knts Shear (0-3000m) pos: 1.7 neg: 2.9 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 113.9 deg Storm rel helicity (0-3000m) pos: 52.9 neg: -15.8 tot: 37.2 m^2/s^2 ave: 12.4 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 2.5 10^-3/s Energy-Hel index: 21.59 Bulk Rich Number: 5343.20 Bulk Shear: 18.76 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 ------------------------------------------------------------------------------- 500 174 5 260 7| 4.0 0.0 4.0| 3.8 -13.3 -9.5 -19.0 -0.27| 12.9 -3.5 1000 149 4 269 5| 2.0 2.5 4.5| 11.8 -13.3 -1.5 -1.5 0.11| 9.9 1.1 1500 101 6 322 3| 1.3 3.4 4.7| 19.6 -13.3 6.3 4.2 0.24| 8.5 2.1 2000 76 8 360 5| 1.0 4.4 5.4| 34.5 -13.3 21.2 10.6 0.31| 8.5 2.7 2500 72 10 16 7| 1.4 3.5 4.9| 47.0 -15.8 31.2 12.5 0.33| 8.0 2.7 3000 71 11 24 8| 1.7 2.9 4.6| 52.9 -15.8 37.2 12.4 0.31| 8.1 2.5 4000 77 11 26 7| 2.6 2.2 4.8| 53.0 -19.7 33.3 8.3 0.14| 7.9 1.1 5000 85 10 32 5| 2.0 2.7 4.7| 54.1 -20.9 33.2 6.6 0.08| 7.4 0.6 6000 86 11 39 6| 1.8 2.5 4.3| 56.7 -23.4 33.3 5.6 0.08| 6.7 0.5 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251019.06.gif