UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 13 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 42 SFC 976 241 4.0 1.8 86 2.2 3.0 315 13 279.1 279.8 277.3 291.4 4.46 2 925 678 0.2 -2.1 84 2.3 -0.7 325 36 279.5 280.1 276.3 289.4 3.54 3 869 1173 -3.3 -5.8 83 2.5 -4.2 332 42 280.9 281.4 276.1 289.0 2.85 4 850 1347 -3.7 -5.8 85 2.1 -4.5 335 44 282.3 282.8 276.9 290.6 2.91 5 839 1449 -4.3 -6.4 85 2.1 -5.1 335 43 282.7 283.2 277.0 290.7 2.82 6 811 1716 -5.1 -9.1 73 4.0 -6.5 336 42 284.6 285.0 277.4 291.5 2.36 7 720 2636 -11.7 -19.7 51 8.0 -13.6 339 36 287.2 287.4 276.9 290.6 1.11 8 700 2851 -12.9 -18.9 61 6.0 -14.3 340 35 288.2 288.4 277.6 291.9 1.23 9 636 3574 -18.7 -22.1 75 3.4 -19.4 340 33 289.6 289.8 278.0 292.8 1.02 10 553 4601 -26.1 -32.1 57 6.0 -26.9 340 31 292.7 292.7 278.7 294.2 0.47 11 500 5320 -32.7 -36.6 68 3.9 -33.1 340 29 293.2 293.2 278.7 294.3 0.33 12 400 6850 -44.7 -47.6 73 2.9 -44.8 330 23 296.9 296.9 280.1 297.3 0.13 13 393 6968 -45.7 -48.6 72 2.9 -45.8 325 23 297.1 297.1 280.2 297.5 0.12 14 376 7264 -44.9 -47.8 73 2.9 -45.0 320 25 301.9 302.0 282.4 302.4 0.13 15 300 8780 -43.9 -50.9 46 7.0 -44.2 295 35 323.5 323.5 289.9 323.9 0.12 16 274 9391 -42.1 -52.1 33 10.0 -42.6 288 35 334.6 334.6 293.1 335.0 0.11 17 250 10010 -43.5 -57.5 20 14.0 -44.1 280 36 341.4 341.4 294.7 341.7 0.06 18 225 10715 -44.7 -61.7 13 17.0 -45.4 285 36 350.0 350.0 296.7 350.2 0.04 19 200 11500 -44.9 -63.9 10 19.0 -45.7 290 35 361.7 361.7 299.1 361.8 0.04 20 189 11879 -44.7 -64.7 9 20.0 -45.5 287 35 367.9 367.9 300.2 368.0 0.03 21 154 13237 -49.9 -71.9 6 22.0 -50.5 276 35 381.2 381.2 302.5 381.3 0.02 22 150 13410 -48.7 -70.7 6 22.0 -49.4 275 35 386.2 386.2 303.2 386.2 0.02 23 139 13911 -47.1 -71.1 5 24.0 -48.0 280 32 397.5 397.5 304.9 397.6 0.02 24 117 15034 -53.3 -76.3 4 23.0 -53.8 290 24 406.1 406.1 306.0 406.1 0.01 25 100 16040 -54.7 -77.7 4 23.0 -55.2 300 17 422.0 422.0 308.0 422.1 0.01 26 70 18310 -56.7 -78.7 5 22.0 -57.3 295 11 463.1 463.1 312.1 463.1 0.01 27 50 20430 -59.1 -81.1 4 22.0 -59.7 310 9 504.2 504.2 315.2 504.3 0.01 28 31 23407 -62.1 -83.1 4 21.0 -62.8 343 11 570.0 570.0 319.2 570.1 0.01 29 30 23610 -61.7 -82.7 4 21.0 -62.4 345 11 576.4 576.4 319.5 576.5 0.01 30 25 24745 -59.3 -81.3 4 22.0 -60.4 318 10 614.2 614.2 321.2 614.3 0.02 31 20 26140 -59.9 -81.9 4 22.0 -61.2 285 9 652.8 652.8 322.8 653.0 0.02 32 16 27532 -60.5 -81.5 5 21.0 -62.0 693.9 693.9 324.3 694.1 0.03 33 11 29907 -52.9 -75.9 5 23.0 -56.9 800.0 800.0 327.3 801.1 0.12 TRP 393 6968 -45.7 -48.6 72 2.9 -45.8 325 23 297.1 297.1 280.2 297.5 0.12 WND Sounding variables and indices 1000-500 mb thick: 5278.00 m Freezing level: 921.80 mb = 706.29 m = 2317.18 ft Wetbulb zero: 935.09 mb = 589.69 m = 1934.65 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 69.44 % Est. max temperature: 8.46 C = 47.22 F Sfc-Lift cond lev (LCL): 943.35 mb = 518.10 m = 1699.79 ft T: 1.59 C 700-500 lapse rate: 8.02 C/km ThetaE index: 2.40 C Layer 925.0- 850.0 mb Conv cond level (CCL): 881.91 mb = 1056.15 m = 3465.02 ft Mean mixing ratio: 3.61 g/kg Conv temperature: 5.49 C = 41.88 F Cap Strength: 3.94 C Lifted Index: 3.67 C Risk: None Lifted Index @300 mb: 23.93 C Lifted Index @700 mb: 2.84 C Showalter Index: 3.08 C Risk: None Total Totals Index: 55.90 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.00 C Cross Totals Index: 26.90 C K Index: 17.20 Risk: < 20 % chance of thunderstorms Sweat Index: 255.00 Risk: None Energy Index: 0.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.38 J/kg Max Up Vert Vel: 3.57 m/s Conv Inhibition (B-): 63358.64 J/kg Cap Strength: 3.92 C Lift Cond Lev (LCL): 893.47 mb = 952.94 m = 3126.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 7 at 25 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 ---------------------------------------------------------- 0 976 241 315 13 9.2 -9.2 | 218 20 12.1 15.7 1 925 678 325 36 20.6 -29.5 | 281 24 23.6 -4.6 2 850 1347 335 44 18.6 -39.9 | 305 26 21.5 -15.0 3 700 2851 340 35 12.0 -32.9 | 298 17 14.9 -8.0 4 500 5320 340 29 9.9 -27.3 | 280 13 12.9 -2.4 5 400 6850 330 23 11.5 -19.9 | 251 15 14.5 5.0 6 393 6968 325 23 13.2 -18.8 | 250 17 16.1 6.0 7 300 8780 295 35 31.7 -14.8 | 254 36 34.7 10.1 8 250 10010 280 36 35.5 -6.3 | 244 43 38.4 18.6 9 200 11500 290 35 32.9 -12.0 | 250 38 35.8 12.9 10 150 13410 275 35 34.9 -3.1 | 240 44 37.8 21.8 11 100 16040 300 17 14.7 -8.5 | 227 24 17.7 16.4 12 70 18310 295 11 10.0 -4.6 | 213 24 12.9 20.2 13 50 20430 310 9 6.9 -5.8 | 207 21 9.8 19.1 14 30 23610 345 11 2.8 -10.6 | 202 15 5.8 14.2 15 20 26140 285 9 8.7 -2.3 | 207 25 11.6 22.5 Wind Parameters Mean winds (0-6000m): 336.8 at 33.4 knts Storm direction: 6.8 at 25.0 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 78.3 deg Storm rel helicity (0-3000m) pos: 188.5 neg: -15.2 tot: 173.4 m^2/s^2 ave: 57.8 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.46 Bulk Shear: 13.95 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 ------------------------------------------------------------------------------- 500 323 26 257 19| 24.8 0.0 24.8|126.5 0.0 126.5 253.0 0.96| 25.1 24.1 1000 327 33 278 21| 15.8 0.0 15.8|177.5 0.0 177.5 177.5 0.97| 16.6 16.1 1500 330 36 288 22| 10.3 0.0 10.3|188.5 -2.0 186.5 124.4 0.89| 12.5 11.1 2000 332 37 292 22| 7.0 0.0 7.0|188.5 -6.1 182.4 91.2 0.80| 10.2 8.2 2500 334 37 294 21| 5.0 0.0 5.0|188.5 -11.1 177.4 71.0 0.72| 8.8 6.3 3000 335 37 294 21| 3.9 0.0 3.9|188.5 -15.2 173.4 57.8 0.67| 7.6 5.1 4000 336 36 294 19| 2.9 0.3 3.3|188.5 -22.4 166.1 41.5 0.60| 6.0 3.6 5000 337 35 293 18| 2.4 0.5 2.9|188.5 -29.7 158.9 31.8 0.53| 5.1 2.7 6000 337 33 290 17| 2.0 0.8 2.8|188.5 -46.3 142.3 23.7 0.40| 4.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251013.00.gif