UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U2543... Searching the city database file for: U2543 ... Date:0000Z 18 APR 25 Station: U2543 WMO ident: 22543 Latitude: 64.62 Longitude: 40.51 ------------------------------------------------------------------------------- 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 1013 4 2.4 -3.6 65 6.0 0.1 225 3 274.5 275.0 272.6 282.5 2.89 1 1000 109 5.8 -1.2 61 7.0 2.8 255 17 279.0 279.5 276.0 288.7 3.50 2 965 404 14.2 0.2 38 14.0 7.4 273 22 290.3 291.0 282.1 301.9 4.02 3 925 757 11.2 -0.8 43 12.0 5.5 295 27 290.8 291.5 282.2 302.1 3.90 4 850 1455 4.6 -0.0 72 4.6 2.4 290 21 291.0 291.8 283.0 304.0 4.50 5 843 1522 4.2 0.3 76 3.9 2.4 291 21 291.2 292.1 283.2 304.7 4.64 6 795 1997 2.2 -5.8 55 8.0 -1.1 295 23 294.0 294.6 282.7 303.3 3.12 7 700 3008 -6.7 -7.9 91 1.2 -7.1 305 27 295.1 295.6 283.0 304.1 3.01 8 697 3041 -7.1 -8.2 92 1.1 -7.5 305 27 295.0 295.5 282.9 303.8 2.95 9 679 3246 -3.7 -5.3 89 1.6 -4.4 306 28 301.0 301.7 286.2 312.5 3.79 10 657 3505 -4.7 -20.7 27 16.0 -9.2 308 29 302.7 302.9 283.9 306.3 1.12 11 500 5590 -19.7 -28.7 45 9.0 -21.4 320 36 309.0 309.2 285.8 311.4 0.72 12 493 5694 -20.3 -29.3 44 9.0 -22.0 320 37 309.5 309.7 286.0 311.9 0.69 13 405 7113 -32.1 -38.1 55 6.0 -32.7 320 44 312.2 312.2 286.5 313.4 0.35 14 400 7200 -33.1 -39.1 55 6.0 -33.7 320 44 312.0 312.0 286.4 313.1 0.32 15 300 9150 -49.5 -54.2 58 4.7 -49.7 335 58 315.6 315.6 287.4 315.9 0.08 16 250 10320 -58.9 -63.4 56 4.5 -59.0 340 68 318.5 318.5 288.3 318.6 0.03 17 236 10680 -61.7 -66.1 56 4.4 -61.7 344 72 319.6 319.6 288.6 319.7 0.02 18 232 10786 -62.0 -66.4 55 4.4 -62.0 345 73 320.7 320.8 289.0 320.8 0.02 19 206 11518 -63.7 -68.3 53 4.6 -63.7 320 58 329.1 329.1 291.5 329.2 0.02 20 200 11700 -63.5 -68.1 53 4.6 -63.6 310 58 332.2 332.2 292.3 332.3 0.02 21 185 12185 -56.3 -60.7 58 4.4 -56.4 313 54 351.4 351.4 297.0 351.6 0.06 22 150 13520 -54.3 -59.3 54 5.0 -54.5 320 44 376.5 376.5 301.8 376.9 0.09 23 100 16130 -54.3 -62.3 37 8.0 -54.6 320 38 422.8 422.8 308.1 423.3 0.09 24 70 18420 -53.1 -63.1 29 10.0 -53.8 335 31 470.8 470.8 312.8 471.4 0.11 25 50 20590 -51.7 -63.7 22 12.0 -52.8 335 21 521.6 521.7 316.5 522.6 0.15 26 45 21274 -51.3 -63.3 23 12.0 -52.5 334 22 538.6 538.6 317.5 539.7 0.17 27 30 23900 -52.5 -65.5 19 13.0 -54.1 330 25 601.5 601.6 320.7 602.9 0.19 28 27 24581 -52.9 -66.9 17 14.0 -54.6 336 27 618.8 618.9 321.5 620.1 0.17 29 22 25910 -50.3 -64.3 18 14.0 -52.9 349 30 663.9 664.0 323.3 666.4 0.31 30 20 26530 -51.9 -66.9 15 15.0 -54.4 355 31 677.3 677.4 323.7 679.3 0.24 31 12 29809 -56.1 -71.1 14 15.0 -58.6 769.0 769.1 326.5 771.1 0.22 32 10 30973 -54.3 -69.3 14 15.0 -57.6 816.9 817.0 327.7 820.3 0.34 TRP 206 11518 -63.7 -68.3 53 4.6 -63.7 320 58 329.1 329.1 291.5 329.2 0.02 WND 232 10786 -62.0 -66.4 55 4.4 -62.0 345 73 320.7 320.8 289.0 320.8 0.02 Sounding variables and indices 1000-500 mb thick: 5481.00 m Freezing level: 771.52 mb = 2247.13 m = 7372.38 ft Wetbulb zero: 810.46 mb = 1841.25 m = 6040.78 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 53.05 % Est. max temperature: 18.87 C = 65.96 F Sfc-Lift cond lev (LCL): 922.88 mb = 775.96 m = 2545.77 ft T: 11.02 C 700-500 lapse rate: 5.03 C/km ThetaE index: 1.36 C Layer 795.0- 700.0 mb Conv cond level (CCL): 722.27 mb = 2759.31 m = 9052.76 ft Mean mixing ratio: 3.79 g/kg Conv temperature: 22.78 C = 73.00 F Cap Strength: 9.64 C Lifted Index: 10.90 C Risk: None Lifted Index @300 mb: 12.77 C Lifted Index @700 mb: 4.06 C Showalter Index: 6.53 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 19.70 C K Index: 23.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 78.00 Risk: None Energy Index: 1.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 60.07 J/kg Max Up Vert Vel: 10.96 m/s Conv Inhibition (B-): 67217.16 J/kg Cap Strength: 10.90 C Lift Cond Lev (LCL): 811.41 mb = 1831.80 m = 6009.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 at 21 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 1013 4 225 3 2.1 2.1 | 163 22 -6.4 21.1 1 1000 109 255 17 16.4 4.4 | 199 25 7.9 23.4 2 925 757 295 27 24.5 -11.4 | 244 18 16.0 7.6 3 850 1455 290 21 19.7 -7.2 | 223 16 11.2 11.8 4 700 3008 305 27 22.1 -15.5 | 255 14 13.6 3.5 5 500 5590 320 36 23.1 -27.6 | 300 17 14.6 -8.6 6 400 7200 320 44 28.3 -33.7 | 307 25 19.8 -14.7 7 300 9150 335 58 24.5 -52.6 | 334 37 16.0 -33.5 8 250 10320 340 68 23.3 -63.9 | 342 47 14.8 -44.9 9 232 10786 345 73 18.9 -70.5 | 349 53 10.4 -51.5 10 206 11518 320 58 37.3 -44.4 | 311 38 28.8 -25.4 11 200 11700 310 58 44.4 -37.3 | 297 40 35.9 -18.3 12 150 13520 320 44 28.3 -33.7 | 307 25 19.8 -14.7 13 100 16130 320 38 24.4 -29.1 | 302 19 15.9 -10.1 14 70 18420 335 31 13.1 -28.1 | 333 10 4.6 -9.1 15 50 20590 335 21 8.9 -19.0 | 271 0 0.4 -0.0 16 30 23900 330 25 12.5 -21.7 | 303 5 4.0 -2.6 17 20 26530 355 31 2.7 -30.9 | 26 13 -5.8 -11.9 Wind Parameters Mean winds (0-6000m): 305.9 at 27.8 knts Storm direction: 335.9 at 20.8 knts Shear (0-3000m) pos: 5.2 neg: 0.7 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 92.1 deg Storm rel helicity (0-3000m) pos: 210.8 neg: -24.7 tot: 186.1 m^2/s^2 ave: 62.0 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 5.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 1.42 Bulk Shear: 42.37 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 ------------------------------------------------------------------------------- 500 267 18 205 22| 22.1 0.0 22.1|144.1 0.0 144.1 288.1 0.96| 25.9 25.0 1000 283 22 222 19| 12.3 0.0 12.3|178.5 -8.1 170.4 170.4 0.85| 17.8 15.1 1500 286 22 224 18| 8.2 1.3 9.5|178.5 -24.7 153.8 102.5 0.66| 13.2 8.7 2000 288 22 226 18| 6.7 1.0 7.7|189.2 -24.7 164.5 82.2 0.68| 10.6 7.2 2500 290 22 228 17| 5.8 0.8 6.6|199.9 -24.7 175.2 70.1 0.70| 9.0 6.3 3000 293 23 232 16| 5.2 0.7 5.9|210.8 -24.7 186.1 62.0 0.72| 8.0 5.8 4000 297 24 239 15| 4.4 0.5 4.9|227.8 -24.7 203.1 50.8 0.74| 6.6 4.9 5000 302 26 249 15| 3.9 0.4 4.3|246.3 -24.7 221.6 44.3 0.76| 5.8 4.4 6000 306 28 259 14| 3.6 0.3 3.9|261.1 -24.7 236.4 39.4 0.75| 5.2 4.0 Wrote GIF file: /home/apache/climate/data/raob//U2543/skewt/U2543.skewt.20250418.00.gif