UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 12 OCT 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 977 244 9.8 3.8 66 6.0 6.8 200 7 284.8 285.7 281.0 299.3 5.14 2 959 399 10.0 5.0 71 5.0 7.4 200 11 286.6 287.6 282.4 302.6 5.70 3 932 634 5.4 1.2 74 4.2 3.4 200 17 284.2 285.0 279.9 296.8 4.47 4 925 696 4.8 1.0 76 3.8 3.1 200 19 284.2 285.0 279.9 296.7 4.44 5 880 1101 0.6 -0.8 90 1.4 -0.0 224 25 283.9 284.7 279.3 295.5 4.10 6 856 1323 0.6 -0.8 90 1.4 -0.0 237 28 286.2 286.9 280.6 298.2 4.21 7 852 1361 -0.3 -0.8 96 0.5 -0.5 239 29 285.6 286.4 280.3 297.7 4.23 8 850 1380 -0.3 -0.8 96 0.5 -0.5 240 29 285.8 286.6 280.4 297.9 4.24 9 817 1696 -2.3 -3.1 94 0.8 -2.6 245 29 287.0 287.6 280.3 297.6 3.72 10 714 2760 -5.5 -6.0 96 0.5 -5.7 262 31 294.7 295.3 283.4 304.9 3.42 11 700 2915 -7.3 -8.2 93 0.9 -7.7 265 31 294.4 294.9 282.7 303.2 2.94 12 541 4872 -21.1 -23.8 79 2.7 -21.7 284 46 300.5 300.7 282.9 303.8 1.03 13 501 5435 -25.3 -32.3 52 7.0 -26.3 290 50 302.0 302.1 282.9 303.7 0.51 14 500 5450 -25.3 -32.3 52 7.0 -26.3 290 50 302.2 302.3 283.0 303.9 0.51 15 497 5494 -25.5 -32.5 52 7.0 -26.5 290 51 302.5 302.6 283.1 304.2 0.50 16 412 6825 -35.9 -39.9 67 4.0 -36.2 294 68 305.7 305.8 284.1 306.7 0.29 17 400 7030 -37.5 -43.5 53 6.0 -37.9 295 71 306.3 306.3 284.2 307.0 0.20 18 386 7276 -38.9 -46.9 43 8.0 -39.4 294 79 307.5 307.6 284.6 308.1 0.15 19 315 8662 -42.3 -56.3 20 14.0 -42.9 290 121 321.2 321.2 289.2 321.5 0.06 20 314 8684 -42.5 -56.5 20 14.0 -43.1 290 122 321.2 321.2 289.2 321.4 0.06 21 300 8990 -46.1 -60.1 19 14.0 -46.5 290 122 320.4 320.4 288.9 320.5 0.04 22 298 9034 -47.5 -62.5 16 15.0 -47.9 291 121 319.0 319.0 288.5 319.1 0.03 23 288 9258 -49.1 -63.1 18 14.0 -49.4 295 118 319.9 319.9 288.7 320.0 0.03 24 250 10190 -44.9 -59.9 17 15.0 -45.4 295 79 339.3 339.3 294.2 339.5 0.05 25 241 10437 -43.9 -59.9 15 16.0 -44.6 294 75 344.4 344.4 295.4 344.6 0.05 26 216 11168 -49.1 -69.1 8 20.0 -49.6 292 64 347.3 347.3 296.0 347.4 0.02 27 200 11680 -45.3 -66.3 8 21.0 -46.0 290 56 361.0 361.0 298.9 361.2 0.03 28 193 11916 -45.3 -66.3 8 21.0 -46.1 287 52 364.7 364.7 299.6 364.9 0.03 29 150 13560 -52.5 -74.5 5 22.0 -52.9 265 23 379.6 379.6 302.2 379.7 0.01 30 147 13690 -53.7 -74.7 6 21.0 -54.1 265 23 379.7 379.7 302.2 379.8 0.01 31 100 16140 -57.9 -78.9 5 21.0 -58.3 275 15 415.9 415.9 307.2 415.9 0.01 32 70 18390 -59.1 -79.1 6 20.0 -59.6 275 17 457.9 458.0 311.6 458.0 0.01 33 50 20490 -60.1 -80.1 6 20.0 -60.6 340 9 501.9 501.9 315.1 501.9 0.01 34 36 22536 -61.1 -81.1 5 20.0 -61.7 334 9 548.7 548.7 318.1 548.8 0.02 35 30 23670 -60.5 -80.5 6 20.0 -61.3 330 9 579.7 579.7 319.6 579.8 0.02 36 24 25064 -59.3 -81.3 4 22.0 -60.4 621.4 621.4 321.6 621.6 0.02 TRP 288 9258 -49.1 -63.1 18 14.0 -49.4 295 118 319.9 319.9 288.7 320.0 0.03 WND 314 8684 -42.5 -56.5 20 14.0 -43.1 290 122 321.2 321.2 289.2 321.4 0.06 Sounding variables and indices 1000-500 mb thick: 5399.00 m Freezing level: 853.33 mb = 1348.58 m = 4424.43 ft Wetbulb zero: 880.56 mb = 1095.60 m = 3594.44 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 85.12 % Est. max temperature: 11.57 C = 52.82 F Sfc-Lift cond lev (LCL): 891.73 mb = 993.35 m = 3258.98 ft T: 1.71 C 700-500 lapse rate: 7.10 C/km ThetaE index: 7.13 C Layer 932.0- 856.0 mb Conv cond level (CCL): 885.62 mb = 1049.07 m = 3441.79 ft Mean mixing ratio: 4.69 g/kg Conv temperature: 8.95 C = 48.11 F Cap Strength: 4.97 C Lifted Index: 5.12 C Risk: None Lifted Index @300 mb: 15.99 C Lifted Index @700 mb: 3.34 C Showalter Index: 5.15 C Risk: None Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 24.50 C K Index: 23.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 238.76 Risk: None Energy Index: 1.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.00 J/kg Max Up Vert Vel: 4.69 m/s Conv Inhibition (B-): 10.70 J/kg Cap Strength: 4.92 C Lift Cond Lev (LCL): 875.93 mb = 1138.12 m = 3733.95 ft Lev Free Conv (LFC): 870.93 mb = 1184.23 m = 3885.22 ft Equ Level (EL): 860.93 mb = 1277.23 m = 4190.34 ft B at Equ Level: 9.47 J/kg Max Parcel Lev (MPL): 790.93 mb = 1951.92 m = 6403.85 ft Wind level data Storm motion: 302 at 27 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 ---------------------------------------------------------- 0 977 244 200 7 2.4 6.6 | 135 29 -20.6 20.9 1 925 696 200 19 6.5 17.9 | 153 36 -16.5 32.2 2 850 1380 240 29 25.1 14.5 | 184 29 2.1 28.8 3 700 2915 265 31 30.9 2.7 | 205 19 7.9 17.0 4 500 5450 290 50 47.0 -17.1 | 277 24 24.0 -2.8 5 400 7030 295 71 64.3 -30.0 | 291 44 41.3 -15.7 6 314 8684 290 122 114.6 -41.7 | 287 96 91.6 -27.4 7 300 8990 290 122 114.6 -41.7 | 287 96 91.6 -27.4 8 288 9258 295 118 106.9 -49.9 | 293 91 83.9 -35.5 9 250 10190 295 79 71.6 -33.4 | 291 52 48.6 -19.1 10 200 11680 290 56 52.6 -19.2 | 279 30 29.6 -4.8 11 150 13560 265 23 22.9 2.0 | 180 16 -0.1 16.3 12 100 16140 275 15 14.9 -1.3 | 148 15 -8.1 13.0 13 70 18390 275 17 16.9 -1.5 | 155 14 -6.1 12.8 14 50 20490 340 9 3.1 -8.5 | 106 21 -19.9 5.9 15 30 23670 330 9 4.5 -7.8 | 109 20 -18.5 6.5 Wind Parameters Mean winds (0-6000m): 271.9 at 36.2 knts Storm direction: 301.9 at 27.1 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 78.8 deg Storm rel helicity (0-3000m) pos: 310.8 neg: 0.0 tot: 310.8 m^2/s^2 ave: 103.6 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 6.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.07 Bulk Shear: 156.58 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 ------------------------------------------------------------------------------- 500 200 14 146 33| 13.1 0.0 13.1| 95.0 0.0 95.0 190.0 0.85| 13.3 11.3 1000 213 19 157 33| 11.0 0.0 11.0|211.4 0.0 211.4 211.4 0.89| 13.8 12.4 1500 226 22 166 30| 8.6 0.0 8.6|256.8 0.0 256.8 171.2 0.87| 11.8 10.3 2000 234 24 173 29| 6.8 0.0 6.8|275.1 0.0 275.1 137.6 0.85| 9.9 8.4 2500 240 25 178 27| 5.8 0.0 5.8|290.8 0.0 290.8 116.3 0.82| 8.8 7.3 3000 245 26 182 25| 5.4 0.0 5.4|310.8 0.0 310.8 103.6 0.83| 8.1 6.8 4000 255 29 193 22| 5.2 0.0 5.2|359.5 0.0 359.5 89.9 0.86| 7.4 6.3 5000 264 32 208 20| 5.0 0.0 5.0|415.9 0.0 415.9 83.2 0.87| 7.0 6.1 6000 272 36 225 19| 5.3 0.0 5.3|461.4 0.0 461.4 76.9 0.81| 7.0 5.6 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251012.12.gif