UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050418.upa.cvt Date: 1800Z 4 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1800Z 4 MAY 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 51 SFC 981 227 41.2 10.2 16 31.0 20.8 360 3 316.1 317.6 294.6 341.2 7.98 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): 629.48 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 0.00 C Layer 981.0- 17.2 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: 314.35 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 88 at 5 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 ---------------------------------------------------------- 0 981 227 360 3 -0.0 -3.0 | 298 6 5.2 -2.8 1 964 305 305 5 4.1 -2.9 | 286 10 9.3 -2.7 2 925 491 285 5 4.8 -1.3 | 276 10 10.1 -1.1 3 912 610 285 3 2.9 -0.8 | 274 8 8.1 -0.6 4 879 914 335 3 1.3 -2.7 | 291 7 6.5 -2.6 5 850 1191 10 4 -0.7 -3.9 | 310 6 4.5 -3.8 6 847 1219 10 4 -0.7 -3.9 | 310 6 4.5 -3.8 7 785 1829 290 4 3.8 -1.4 | 278 9 9.0 -1.2 8 756 2134 335 3 1.3 -2.7 | 291 7 6.5 -2.6 9 728 2438 325 3 1.7 -2.5 | 288 7 6.9 -2.3 10 701 2743 10 3 -0.5 -3.0 | 301 5 4.7 -2.8 11 700 2755 40 3 -1.9 -2.3 | 303 4 3.3 -2.1 12 622 3658 45 10 -7.1 -7.1 | 15 7 -1.8 -6.9 13 574 4267 85 10 -10.0 -0.9 | 82 5 -4.7 -0.7 14 531 4877 60 10 -8.7 -5.0 | 35 6 -3.4 -4.8 15 500 5330 90 10 -10.0 0.0 | 92 5 -4.8 0.2 16 450 6096 95 12 -12.0 1.0 | 100 7 -6.7 1.2 17 400 6950 140 7 -4.5 5.4 | 187 6 0.7 5.5 18 363 7620 155 16 -6.8 14.5 | 174 15 -1.5 14.7 19 300 8940 70 3 -2.8 -1.0 | 290 3 2.4 -0.9 20 291 9144 70 2 -1.9 -0.7 | 279 3 3.3 -0.5 21 250 10150 220 18 11.6 13.8 | 230 22 16.8 14.0 22 230 10668 235 21 17.2 12.0 | 241 26 22.4 12.2 23 200 11570 245 29 26.3 12.3 | 248 34 31.5 12.4 24 150 13400 270 27 27.0 -0.0 | 270 32 32.2 0.2 25 112 15240 280 4 3.9 -0.7 | 273 9 9.2 -0.5 26 100 15970 120 4 -3.5 2.0 | 219 3 1.8 2.2 27 70 18230 300 7 6.1 -3.5 | 286 12 11.3 -3.3 28 69 18288 265 11 11.0 1.0 | 266 16 16.2 1.1 29 50 20360 280 17 16.7 -3.0 | 277 22 22.0 -2.8 30 43 21336 25 14 -5.9 -12.7 | 3 13 -0.7 -12.5 31 30 23600 120 19 -16.5 9.5 | 131 15 -11.2 9.7 32 27 24384 115 16 -14.5 6.8 | 127 12 -9.3 6.9 33 20 26170 110 35 -32.9 12.0 | 114 30 -27.7 12.1 34 16 27432 100 37 -36.4 6.4 | 102 32 -31.2 6.6 35 10 30560 90 69 -69.0 0.0 | 90 64 -63.8 0.2 Wind Parameters Mean winds (0-6000m): 58.2 at 7.0 knts Storm direction: 88.2 at 5.2 knts Shear (0-3000m) pos: 2.1 neg: 1.2 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 52.9 deg Storm rel helicity (0-3000m) pos: 18.7 neg: -17.7 tot: 1.1 m^2/s^2 ave: 0.4 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 0.5 10^-3/s Energy-Hel index: 7.58 Bulk Rich Number: 7795.74 Bulk Shear: 12.86 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 ------------------------------------------------------------------------------- 500 298 4 282 9| 0.0 2.9 2.9| 1.7 -7.9 -6.1 -12.3 -0.32| 8.5 -2.8 1000 314 4 288 8| 2.0 1.4 3.4| 7.9 -7.9 0.0 0.0 0.06| 6.3 0.4 1500 320 4 290 8| 1.3 2.4 3.8| 7.9 -14.9 -7.0 -4.7 -0.17| 5.7 -0.9 2000 318 4 289 8| 1.5 1.8 3.3| 12.1 -17.2 -5.1 -2.5 -0.09| 5.3 -0.5 2500 321 4 290 8| 1.5 1.5 3.0| 14.4 -17.7 -3.2 -1.3 -0.03| 4.8 -0.1 3000 336 4 296 8| 2.1 1.2 3.3| 18.7 -17.7 1.1 0.4 0.11| 4.8 0.5 4000 17 5 322 6| 2.1 0.9 3.0| 31.5 -17.7 13.8 3.5 0.30| 4.9 1.5 5000 40 6 344 5| 1.8 0.7 2.5| 36.4 -22.4 14.0 2.8 0.26| 4.7 1.2 6000 58 7 11 4| 1.6 0.6 2.2| 41.7 -22.4 19.3 3.2 0.30| 4.3 1.3 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250504.18.gif