UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 26 APR 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 135 SFC 987 241 3.2 -5.8 52 9.0 -0.2 360 5 277.4 277.8 273.7 284.4 2.51 2 925 762 -0.9 -12.9 40 12.0 -4.6 5 23 278.4 278.6 272.8 282.8 1.53 3 850 1431 -6.3 -13.3 58 7.0 -8.3 335 17 279.5 279.8 273.6 284.2 1.61 4 810 1806 -9.1 -19.1 44 10.0 -11.5 323 19 280.5 280.6 273.2 283.5 1.04 5 729 2611 -16.3 -20.6 69 4.3 -17.2 295 25 281.2 281.3 273.6 284.2 1.02 6 722 2684 -15.1 -19.3 70 4.2 -16.0 293 25 283.2 283.4 274.9 286.7 1.15 7 709 2823 -10.9 -18.9 52 8.0 -12.9 288 26 289.4 289.6 278.2 293.1 1.21 8 700 2921 -11.5 -24.5 33 13.0 -14.2 285 27 289.7 289.9 277.7 292.1 0.75 9 694 2987 -11.9 -27.9 25 16.0 -14.9 284 28 290.0 290.1 277.6 291.8 0.55 10 576 4387 -21.1 -46.1 9 25.0 -23.5 268 45 295.1 295.1 279.3 295.5 0.11 11 509 5291 -25.7 -50.7 8 25.0 -27.6 257 56 300.2 300.2 281.5 300.4 0.07 12 500 5420 -26.7 -48.7 11 22.0 -28.4 255 58 300.5 300.5 281.7 300.8 0.09 13 466 5927 -29.9 -44.9 22 15.0 -31.1 253 63 302.6 302.6 282.7 303.2 0.15 14 400 7000 -37.7 -49.7 27 12.0 -38.4 250 75 306.0 306.0 284.0 306.4 0.10 15 376 7422 -40.9 -51.9 30 11.0 -41.4 250 79 307.2 307.2 284.4 307.5 0.08 16 326 8371 -49.7 -57.7 39 8.0 -49.9 250 89 307.9 307.9 284.6 308.1 0.05 17 300 8910 -52.2 -60.2 38 8.0 -52.4 250 95 311.8 311.8 286.0 311.9 0.04 18 293 9063 -52.9 -60.9 37 8.0 -53.1 254 92 312.9 312.9 286.4 313.0 0.04 19 291 9107 -53.5 -61.5 37 8.0 -53.7 255 91 312.6 312.7 286.3 312.8 0.03 20 283 9286 -53.5 -61.5 37 8.0 -53.7 256 85 315.2 315.2 287.2 315.3 0.03 21 276 9448 -51.1 -59.1 38 8.0 -51.3 257 80 320.9 320.9 289.0 321.1 0.05 22 250 10090 -51.9 -60.9 33 9.0 -52.1 260 60 328.9 328.9 291.5 329.1 0.04 23 240 10356 -52.3 -61.3 33 9.0 -52.5 260 56 332.2 332.2 292.3 332.3 0.04 24 200 11550 -48.9 -61.9 21 13.0 -49.3 260 40 355.3 355.3 297.8 355.5 0.05 25 170 12618 -47.9 -63.9 14 16.0 -48.5 252 35 373.9 373.9 301.3 374.1 0.04 26 150 13440 -49.7 -67.7 10 18.0 -50.3 245 31 384.4 384.4 303.0 384.6 0.03 27 113 15275 -54.7 -74.7 7 20.0 -55.2 252 25 407.5 407.5 306.2 407.6 0.01 28 101 15996 -53.3 -74.3 6 21.0 -53.9 255 23 423.5 423.5 308.2 423.6 0.02 29 100 16060 -53.5 -74.5 6 21.0 -54.1 255 23 424.4 424.4 308.2 424.4 0.02 30 70 18340 -54.7 -77.7 4 23.0 -55.5 250 21 467.4 467.4 312.4 467.4 0.01 31 50 20480 -55.7 -77.7 5 22.0 -56.6 245 11 512.2 512.2 315.8 512.3 0.02 32 36 22559 -58.5 -80.5 4 22.0 -59.4 251 14 555.4 555.4 318.4 555.5 0.02 33 30 23710 -56.7 -78.7 5 22.0 -58.0 255 15 590.1 590.1 320.2 590.3 0.03 34 20 26280 -57.3 -79.3 5 22.0 -59.0 280 15 660.8 660.8 323.1 661.1 0.04 35 14 28551 -54.3 -77.3 4 23.0 -57.3 741.9 741.9 325.7 742.6 0.07 TRP 291 9107 -53.5 -61.5 37 8.0 -53.7 255 91 312.6 312.7 286.3 312.8 0.03 WND 300 8910 -52.2 -60.2 38 8.0 -52.4 250 95 311.8 311.8 286.0 311.9 0.04 Sounding variables and indices 1000-500 mb thick: 5285.00 m Freezing level: 938.61 mb = 647.61 m = 2124.68 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 32.94 % Est. max temperature: 5.64 C = 42.16 F Sfc-Lift cond lev (LCL): 858.18 mb = 1355.18 m = 4446.07 ft T: -5.69 C 700-500 lapse rate: 6.08 C/km ThetaE index: 1.62 C Layer 925.0- 850.0 mb Conv cond level (CCL): 764.75 mb = 2245.53 m = 7367.13 ft Mean mixing ratio: 1.83 g/kg Conv temperature: 6.67 C = 44.00 F Cap Strength: 14.42 C Lifted Index: 14.53 C Risk: None Lifted Index @300 mb: 20.09 C Lifted Index @700 mb: 8.64 C Showalter Index: 13.94 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 13.40 C K Index: -5.90 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 3.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.82 J/kg Max Up Vert Vel: 3.41 m/s Conv Inhibition (B-): 63228.55 J/kg Cap Strength: 14.47 C Lift Cond Lev (LCL): 795.77 mb = 1941.79 m = 6370.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 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 ---------------------------------------------------------- 0 987 241 360 5 -0.0 -5.0 | 113 24 -22.2 9.7 1 925 762 5 23 -2.0 -22.9 | 71 26 -24.2 -8.3 2 850 1431 335 17 7.2 -15.4 | 87 15 -15.0 -0.8 3 700 2921 285 27 26.1 -7.0 | 207 9 3.9 7.7 4 500 5420 255 58 56.0 15.0 | 229 45 33.8 29.7 5 400 7000 250 75 70.5 25.7 | 230 63 48.3 40.3 6 300 8910 250 95 89.3 32.5 | 235 82 67.1 47.1 7 291 9107 255 91 87.9 23.6 | 240 76 65.7 38.2 8 250 10090 260 60 59.1 10.4 | 236 45 36.9 25.1 9 200 11550 260 40 39.4 6.9 | 219 28 17.2 21.6 10 150 13440 245 31 28.1 13.1 | 192 28 5.9 27.8 11 100 16060 255 23 22.2 6.0 | 180 21 0.0 20.6 12 70 18340 250 21 19.7 7.2 | 174 22 -2.5 21.8 13 50 20480 245 11 10.0 4.6 | 148 23 -12.2 19.3 14 30 23710 255 15 14.5 3.9 | 157 20 -7.7 18.5 15 20 26280 280 15 14.8 -2.6 | 148 14 -7.4 12.0 Wind Parameters Mean winds (0-6000m): 273.4 at 35.5 knts Storm direction: 303.4 at 26.6 knts Shear (0-3000m) pos: 3.0 neg: 6.2 tot: 9.2 10-3/s Storm rel Dir Shear (0-3000m): 109.9 deg Storm rel helicity (0-3000m) pos: 41.2 neg: -108.2 tot: -67.1 m^2/s^2 ave: -22.4 10^-3 m/s^2 rel: -0.02 Storm rel vorticity (0-3000m) horiz: 9.5 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 192.49 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 4 14 93 23| 17.8 0.0 17.8| 0.0-103.7-103.7 -207.4 -0.97| 17.8-17.2 1000 359 17 83 22| 8.9 4.3 13.2| 13.5-106.8 -93.4 -93.4 -0.56| 13.4 -7.5 1500 351 18 82 20| 5.9 5.0 10.9| 23.0-108.2 -85.3 -56.8 -0.39| 11.3 -4.4 2000 341 18 81 16| 4.4 5.5 9.9| 25.9-108.2 -82.3 -41.1 -0.28| 10.3 -2.8 2500 329 20 80 12| 3.6 6.0 9.5| 31.9-108.2 -76.3 -30.5 -0.10| 9.8 -1.0 3000 318 21 84 8| 3.0 6.2 9.2| 41.2-108.2 -67.1 -22.4 -0.02| 9.5 -0.2 4000 300 25 164 2| 2.2 6.5 8.7| 53.3-108.3 -55.0 -13.8 0.03| 9.0 0.2 5000 284 30 223 10| 1.8 6.8 8.6| 53.3-133.4 -80.1 -16.0 -0.01| 8.9 -0.1 6000 273 35 226 18| 1.5 6.7 8.2| 66.3-143.4 -77.1 -12.9 -0.01| 8.4 -0.1 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250426.00.gif