UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050618.upa.cvt Date: 1800Z 6 MAY 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1800Z 6 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 50 SFC 981 227 41.2 15.2 22 26.0 23.0 100 4 316.1 318.2 296.8 350.9 11.13 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): 677.03 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 0.00 C Layer 981.0-89129.0 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: 314.35 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 111 at 7 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 ---------------------------------------------------------- 0 981 227 100 4 -3.9 0.7 | 305 3 2.5 -1.8 1 964 305 65 4 -3.6 -1.7 | 325 5 2.8 -4.1 2 925 490 110 3 -2.8 1.0 | 291 4 3.7 -1.4 3 912 610 125 3 -2.5 1.7 | 280 4 4.0 -0.7 4 879 914 100 2 -2.0 0.3 | 295 5 4.5 -2.1 5 850 1190 95 4 -4.0 0.3 | 310 3 2.5 -2.1 6 847 1219 95 4 -4.0 0.3 | 310 3 2.5 -2.1 7 785 1829 95 6 -6.0 0.5 | 346 2 0.5 -1.9 8 756 2134 115 7 -6.3 3.0 | 194 1 0.1 0.5 9 728 2438 75 5 -4.8 -1.3 | 336 4 1.6 -3.7 10 701 2743 70 8 -7.5 -2.7 | 11 5 -1.0 -5.2 11 700 2754 70 7 -6.6 -2.4 | 1 5 -0.1 -4.8 12 622 3658 80 9 -8.9 -1.6 | 31 5 -2.4 -4.0 13 574 4267 65 13 -11.8 -5.5 | 34 10 -5.3 -7.9 14 530 4877 115 19 -17.2 8.0 | 117 12 -10.7 5.6 15 500 5330 75 8 -7.7 -2.1 | 16 5 -1.3 -4.5 16 450 6096 55 21 -17.2 -12.0 | 37 18 -10.7 -14.5 17 400 6950 25 16 -6.8 -14.5 | 1 17 -0.3 -16.9 18 363 7620 35 15 -8.6 -12.3 | 8 15 -2.1 -14.7 19 300 8940 360 19 -0.0 -19.0 | 343 22 6.5 -21.4 20 291 9144 360 19 -0.0 -19.0 | 343 22 6.5 -21.4 21 250 10150 300 9 7.8 -4.5 | 296 16 14.3 -6.9 22 230 10668 285 14 13.5 -3.6 | 287 21 20.0 -6.1 23 200 11570 295 21 19.0 -8.9 | 294 28 25.5 -11.3 24 150 13400 285 29 28.0 -7.5 | 286 36 34.5 -10.0 25 112 15240 210 7 3.5 6.1 | 250 11 10.0 3.6 26 100 15970 280 5 4.9 -0.9 | 286 12 11.4 -3.3 27 70 18230 165 9 -2.3 8.7 | 214 7 4.1 6.2 28 69 18288 170 14 -2.4 13.8 | 200 12 4.0 11.3 29 50 20360 85 13 -13.0 -1.1 | 61 7 -6.5 -3.6 30 43 21336 145 21 -12.0 17.2 | 159 16 -5.6 14.8 31 30 23600 125 20 -16.4 11.5 | 132 13 -9.9 9.0 32 27 24384 135 16 -11.3 11.3 | 151 10 -4.8 8.9 33 20 26170 80 24 -23.6 -4.2 | 69 18 -17.2 -6.6 Wind Parameters Mean winds (0-6000m): 80.7 at 9.2 knts Storm direction: 110.7 at 6.9 knts Shear (0-3000m) pos: 0.3 neg: 1.1 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 71.5 deg Storm rel helicity (0-3000m) pos: 8.9 neg: -4.3 tot: 4.6 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 0.9 10^-3/s Energy-Hel index: 2.86 Bulk Rich Number: 21364.27 Bulk Shear: 4.69 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 94 3 306 4| 1.7 0.0 1.7| 1.7 -3.1 -1.4 -2.8 -0.21| 6.0 -1.3 1000 96 3 302 4| 0.8 0.9 1.8| 3.5 -3.1 0.4 0.4 0.05| 4.4 0.2 1500 96 4 306 4| 0.6 1.1 1.7| 4.3 -3.1 1.2 0.8 0.15| 3.5 0.5 2000 99 4 309 3| 0.4 0.9 1.3| 4.6 -3.2 1.4 0.7 0.18| 3.9 0.7 2500 94 5 319 3| 0.3 1.3 1.7| 7.5 -3.5 4.0 1.6 0.23| 4.4 1.0 3000 89 5 331 3| 0.3 1.1 1.5| 8.9 -4.3 4.6 1.5 0.23| 3.9 0.9 4000 83 6 356 3| 0.3 1.3 1.6| 10.9 -4.6 6.4 1.6 0.24| 3.7 0.9 5000 88 8 31 3| 1.3 1.3 2.6| 46.5 -21.0 25.4 5.1 0.23| 5.5 1.2 6000 81 9 34 5| 1.1 2.2 3.3| 51.2 -35.2 16.0 2.7 0.13| 6.1 0.8 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20250506.18.gif