UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 29 APR 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1000 18 -11.5 -14.5 78 3.0 -12.2 200 3 261.6 261.8 261.0 265.0 1.24 1 990 95 -9.9 -14.1 71 4.2 -10.9 216 4 264.0 264.2 262.9 267.5 1.29 2 971 244 -9.9 -12.9 79 3.0 -10.6 247 6 265.5 265.7 264.3 269.5 1.46 3 925 614 -13.1 -15.1 85 2.0 -13.5 325 11 265.9 266.1 264.2 269.4 1.28 4 850 1252 -17.3 -20.0 79 2.7 -17.8 340 15 268.0 268.2 265.1 270.6 0.92 5 826 1466 -18.9 -21.6 79 2.7 -19.3 341 15 268.5 268.7 265.3 270.9 0.82 6 700 2690 -23.7 -27.1 74 3.4 -24.2 350 17 276.2 276.3 269.9 278.0 0.59 7 693 2763 -23.9 -27.3 73 3.4 -24.4 350 17 276.8 276.9 270.3 278.6 0.59 8 623 3531 -28.9 -32.8 69 3.9 -29.3 355 14 279.6 279.7 271.6 280.9 0.39 9 568 4184 -33.9 -37.5 70 3.6 -34.2 359 12 281.3 281.3 272.3 282.1 0.27 10 501 5056 -36.9 -40.1 72 3.2 -37.1 5 9 287.9 287.9 276.0 288.6 0.23 11 500 5070 -37.1 -40.3 72 3.2 -37.3 5 9 287.8 287.8 275.9 288.6 0.23 12 404 6514 -46.7 -50.8 63 4.1 -46.9 5 19 293.5 293.5 278.5 293.8 0.09 13 400 6580 -46.7 -50.8 63 4.1 -46.9 5 19 294.3 294.3 278.9 294.6 0.09 14 371 7079 -49.1 -53.4 61 4.3 -49.2 10 21 297.5 297.5 280.3 297.8 0.07 15 346 7538 -49.7 -54.1 60 4.4 -49.8 359 15 302.7 302.7 282.5 303.0 0.07 16 328 7892 -46.5 -51.1 59 4.6 -46.7 350 11 311.8 311.8 286.1 312.2 0.11 17 300 8490 -43.5 -49.5 51 6.0 -43.8 335 3 324.0 324.1 290.2 324.6 0.14 18 291 8695 -42.3 -49.3 46 7.0 -42.7 326 3 328.6 328.6 291.5 329.2 0.15 19 250 9720 -41.7 -54.7 23 13.0 -42.4 280 3 344.1 344.1 295.4 344.5 0.09 20 236 10110 -41.9 -56.9 18 15.0 -42.7 267 4 349.5 349.5 296.6 349.8 0.07 21 200 11230 -42.1 -62.1 10 20.0 -43.1 230 7 366.1 366.1 299.9 366.3 0.04 22 161 12694 -43.3 -68.3 5 25.0 -44.5 207 7 387.5 387.5 303.5 387.6 0.02 23 150 13170 -43.3 -68.3 5 25.0 -44.5 200 7 395.4 395.4 304.6 395.6 0.03 24 100 15880 -46.7 -70.7 5 24.0 -48.0 225 9 437.5 437.5 309.6 437.6 0.03 25 70 18230 -47.5 -71.5 5 24.0 -49.1 205 9 482.8 482.8 313.7 483.0 0.04 26 51 20320 -48.9 -72.9 4 24.0 -50.7 167 7 525.3 525.3 316.6 525.5 0.04 27 50 20450 -49.3 -73.3 4 24.0 -51.1 165 7 527.3 527.3 316.8 527.5 0.04 28 49 20582 -50.3 -74.3 4 24.0 -52.0 166 7 528.0 528.0 316.8 528.2 0.03 29 32 23377 -48.3 -72.3 5 24.0 -51.0 187 7 601.8 601.8 320.7 602.3 0.07 30 30 23800 -50.5 -73.5 5 23.0 -52.8 190 7 607.0 607.0 320.9 607.4 0.06 31 28 24251 -51.5 -74.5 5 23.0 -53.8 186 7 616.3 616.3 321.3 616.7 0.06 32 28 24251 -51.3 -74.3 5 23.0 -53.6 186 7 616.8 616.9 321.4 617.3 0.06 33 20 26460 -48.9 -72.9 4 24.0 -52.5 165 7 686.5 686.5 324.0 687.3 0.10 34 12 29865 -42.3 -67.3 5 25.0 -50.1 817.9 818.1 327.8 821.7 0.37 TRP 371 7079 -49.1 -53.4 61 4.3 -49.2 10 21 297.5 297.5 280.3 297.8 0.07 WND Sounding variables and indices 1000-500 mb thick: 5051.67 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 74.77 % Est. max temperature: -5.13 C = 22.77 F Sfc-Lift cond lev (LCL): 952.81 mb = 388.09 m = 1273.23 ft T: -11.15 C 700-500 lapse rate: 5.63 C/km ThetaE index: 0.02 C Layer 925.0- 850.0 mb Conv cond level (CCL): 886.04 mb = 938.72 m = 3079.77 ft Mean mixing ratio: 1.32 g/kg Conv temperature: -6.16 C = 20.91 F Cap Strength: 15.64 C Lifted Index: 15.56 C Risk: None Lifted Index @300 mb: 39.04 C Lifted Index @700 mb: 7.60 C Showalter Index: 14.27 C Risk: None Total Totals Index: 36.90 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 17.10 C K Index: -3.60 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.94 J/kg Max Up Vert Vel: 4.68 m/s Conv Inhibition (B-): 69743.13 J/kg Cap Strength: 15.11 C Lift Cond Lev (LCL): 908.37 mb = 750.87 m = 2463.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 20 at 10 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 1000 18 200 3 1.0 2.8 | 200 13 4.4 12.0 1 925 614 325 11 6.3 -9.0 | 269 10 9.7 0.1 2 850 1252 340 15 5.1 -14.1 | 300 10 8.5 -4.9 3 700 2690 350 17 3.0 -16.7 | 320 10 6.3 -7.6 4 500 5070 5 9 -0.8 -9.0 | 266 3 2.6 0.2 5 400 6580 5 19 -1.7 -18.9 | 350 10 1.7 -9.8 6 371 7079 10 21 -3.6 -20.7 | 1 12 -0.3 -11.5 7 300 8490 335 3 1.3 -2.7 | 216 8 4.6 6.4 8 250 9720 280 3 3.0 -0.5 | 216 11 6.3 8.6 9 200 11230 230 7 5.4 4.5 | 213 16 8.7 13.7 10 150 13170 200 7 2.4 6.6 | 200 17 5.7 15.7 11 100 15880 225 9 6.4 6.4 | 212 18 9.7 15.5 12 70 18230 205 9 3.8 8.2 | 202 19 7.2 17.3 13 50 20450 165 7 -1.8 6.8 | 186 16 1.5 15.9 14 30 23800 190 7 1.2 6.9 | 196 17 4.6 16.1 15 20 26460 165 7 -1.8 6.8 | 186 16 1.5 15.9 Wind Parameters Mean winds (0-6000m): 350.1 at 13.0 knts Storm direction: 20.1 at 9.7 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 119.9 deg Storm rel helicity (0-3000m) pos: 76.0 neg: -0.1 tot: 75.8 m^2/s^2 ave: 25.3 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.94 Bulk Shear: 11.69 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 ------------------------------------------------------------------------------- 500 307 6 238 10| 11.2 0.0 11.2| 44.9 0.0 44.9 89.8 0.93| 13.9 12.8 1000 323 9 258 9| 8.1 0.0 8.1| 61.9 0.0 61.9 61.9 0.92| 10.6 9.7 1500 331 11 273 9| 6.1 0.0 6.1| 68.7 0.0 68.7 45.8 0.93| 8.0 7.4 2000 335 12 283 9| 4.8 0.0 4.8| 71.7 0.0 71.7 35.9 0.93| 6.3 5.8 2500 339 13 290 9| 4.0 0.0 4.0| 74.9 0.0 74.9 30.0 0.93| 5.3 4.9 3000 341 14 296 9| 3.2 0.0 3.2| 76.0 -0.1 75.8 25.3 0.89| 4.7 4.2 4000 345 14 301 8| 2.0 0.0 2.0| 76.0 -1.5 74.5 18.6 0.76| 4.0 3.0 5000 347 13 301 7| 1.2 0.0 1.2| 76.0 -3.7 72.2 14.4 0.61| 3.5 2.2 6000 350 13 303 7| 1.3 0.3 1.6| 80.1 -3.7 76.3 12.7 0.62| 3.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250429.00.gif