UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U4122... Searching the city database file for: U4122 ... Date:1200Z 18 OCT 25 Station: U4122 WMO ident: 24122 ------------------------------------------------------------------------------- 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 1002 212 -1.9 -9.9 54 8.0 -4.3 310 3 271.1 271.4 268.7 276.1 1.79 1 1000 228 -2.1 -10.1 54 8.0 -4.6 300 5 271.0 271.3 268.6 276.0 1.77 2 925 844 -3.9 -8.7 69 4.8 -5.4 310 21 275.3 275.7 271.9 281.3 2.14 3 880 1232 -4.9 -7.7 81 2.8 -5.8 313 21 278.2 278.7 274.0 285.1 2.43 4 850 1501 -6.7 -9.2 82 2.5 -7.5 315 21 279.1 279.5 274.3 285.5 2.24 5 839 1603 -7.7 -10.1 83 2.4 -8.4 315 21 279.1 279.5 274.0 285.1 2.11 6 830 1687 -7.7 -10.7 79 3.0 -8.6 315 21 280.0 280.3 274.5 285.8 2.03 7 823 1753 -6.7 -20.7 32 14.0 -10.0 315 22 281.7 281.9 273.7 284.4 0.89 8 806 1916 -6.5 -24.5 22 18.0 -10.4 315 22 283.6 283.7 274.3 285.6 0.65 9 801 1964 -6.9 -13.9 57 7.0 -8.9 315 22 283.7 284.0 275.9 288.5 1.63 10 767 2302 -8.7 -11.6 79 2.9 -9.6 315 23 285.3 285.6 277.3 291.3 2.05 11 700 3007 -11.7 -14.5 80 2.8 -12.5 315 25 289.5 289.8 279.0 294.9 1.77 12 693 3084 -12.5 -15.1 81 2.6 -13.2 315 26 289.5 289.8 278.9 294.6 1.70 13 660 3458 -13.1 -16.7 74 3.6 -14.0 316 28 292.9 293.1 280.3 297.7 1.57 14 625 3872 -15.9 -19.5 74 3.6 -16.7 317 31 294.3 294.5 280.6 298.3 1.30 15 584 4383 -18.9 -27.9 45 9.0 -20.5 318 34 296.5 296.6 280.7 298.7 0.66 16 582 4408 -18.9 -27.9 45 9.0 -20.5 318 34 296.8 296.9 280.9 299.0 0.66 17 516 5293 -27.7 -31.6 69 3.9 -28.2 320 40 296.6 296.7 280.6 298.3 0.53 18 506 5434 -27.5 -31.0 72 3.5 -28.0 320 41 298.5 298.6 281.5 300.4 0.57 19 504 5463 -27.5 -31.5 69 4.0 -28.0 320 42 298.8 298.9 281.6 300.6 0.54 20 500 5520 -27.9 -32.3 66 4.4 -28.5 320 42 299.0 299.1 281.6 300.7 0.51 21 420 6746 -38.1 -46.1 43 8.0 -38.5 324 37 301.2 301.3 282.1 301.8 0.15 22 400 7080 -41.3 -48.3 47 7.0 -41.6 325 36 301.3 301.3 282.1 301.7 0.12 23 388 7286 -42.3 -49.3 46 7.0 -42.6 326 37 302.6 302.7 282.6 303.0 0.11 24 318 8591 -54.9 -60.9 47 6.0 -55.0 333 47 302.9 302.9 282.6 303.0 0.03 25 300 8960 -57.3 -63.3 46 6.0 -57.4 335 50 304.6 304.6 283.2 304.7 0.03 26 260 9858 -62.3 -69.1 40 6.8 -62.4 335 60 309.9 309.9 285.3 310.0 0.01 27 250 10100 -63.7 -70.7 38 7.0 -63.7 335 56 311.4 311.4 285.8 311.4 0.01 28 249 10125 -63.7 -70.7 38 7.0 -63.7 330 56 311.7 311.7 285.9 311.8 0.01 29 200 11480 -59.1 -67.1 35 8.0 -59.2 335 38 339.2 339.2 294.1 339.3 0.02 30 155 13074 -56.7 -68.7 21 12.0 -56.9 344 23 368.9 368.9 300.4 369.0 0.02 31 150 13280 -57.3 -69.3 20 12.0 -57.5 345 21 371.4 371.4 300.8 371.5 0.02 32 125 14425 -60.3 -75.3 12 15.0 -60.5 352 17 385.8 385.8 303.2 385.8 0.01 33 100 15820 -59.3 -77.3 8 18.0 -59.6 360 13 413.2 413.2 306.9 413.2 0.01 34 70 18040 -61.3 -81.3 5 20.0 -61.6 345 7 453.2 453.2 311.1 453.3 0.01 35 50 20120 -62.1 -84.1 4 22.0 -62.6 340 9 497.1 497.1 314.8 497.2 0.01 36 43 21054 -62.1 -84.1 4 22.0 -62.6 310 8 519.1 519.1 316.2 519.1 0.01 37 35 22326 -62.5 -83.5 4 21.0 -63.1 270 8 549.5 549.5 318.1 549.6 0.01 38 30 23280 -61.7 -83.7 4 22.0 -62.4 240 7 576.4 576.4 319.5 576.5 0.01 39 20 25800 -59.9 -81.9 4 22.0 -61.2 240 11 652.8 652.8 322.8 653.0 0.02 40 10 30210 -52.5 -75.5 5 23.0 -56.8 823.6 823.6 327.8 824.9 0.14 41 8.8 31038 -51.7 -74.7 5 23.0 -56.7 857.3 857.4 328.6 859.2 0.17 TRP 249 10125 -63.7 -70.7 38 7.0 -63.7 330 56 311.7 311.7 285.9 311.8 0.01 WND 260 9858 -62.3 -69.1 40 6.8 -62.4 335 60 309.9 309.9 285.3 310.0 0.01 Sounding variables and indices 1000-500 mb thick: 5292.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 67.39 % Est. max temperature: 6.08 C = 42.94 F Sfc-Lift cond lev (LCL): 883.40 mb = 1202.22 m = 3944.24 ft T: -4.82 C 700-500 lapse rate: 6.45 C/km ThetaE index: 1.41 C Layer 823.0- 806.0 mb Conv cond level (CCL): 650.02 mb = 3573.86 m = 11725.11 ft Mean mixing ratio: 2.01 g/kg Conv temperature: 20.27 C = 68.49 F Cap Strength: 16.37 C Lifted Index: 16.44 C Risk: None Lifted Index @300 mb: 17.86 C Lifted Index @700 mb: 11.37 C Showalter Index: 11.75 C Risk: None Total Totals Index: 39.90 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 18.70 C K Index: 9.20 Risk: None Sweat Index: 84.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.41 J/kg Max Up Vert Vel: 5.73 m/s Conv Inhibition (B-): 58967.70 J/kg Cap Strength: 16.07 C Lift Cond Lev (LCL): 866.26 mb = 1354.19 m = 4442.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 347 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 1002 212 310 3 2.3 -1.9 | 173 19 -2.4 18.8 1 1000 228 300 5 4.3 -2.5 | 179 18 -0.4 18.2 2 925 844 310 21 16.1 -13.5 | 238 13 11.3 7.2 3 850 1501 315 21 14.8 -14.8 | 240 12 10.1 5.9 4 700 3007 315 25 17.7 -17.7 | 257 13 12.9 3.0 5 500 5520 320 42 27.0 -32.2 | 297 25 22.3 -11.5 6 400 7080 325 36 20.6 -29.5 | 299 18 15.9 -8.8 7 300 8960 335 50 21.1 -45.3 | 326 30 16.4 -24.6 8 260 9858 335 60 25.4 -54.4 | 329 39 20.6 -33.7 9 250 10100 335 56 23.7 -50.8 | 328 36 18.9 -30.1 10 249 10125 330 56 28.0 -48.5 | 320 36 23.3 -27.8 11 200 11480 335 38 16.1 -34.4 | 321 18 11.3 -13.7 12 150 13280 345 21 5.4 -20.3 | 239 1 0.7 0.4 13 100 15820 360 13 -0.0 -13.0 | 148 9 -4.7 7.7 14 70 18040 345 7 1.8 -6.8 | 168 14 -2.9 13.9 15 50 20120 340 9 3.1 -8.5 | 172 12 -1.7 12.2 16 30 23280 240 7 6.1 3.5 | 183 24 1.3 24.2 17 20 25800 240 11 9.5 5.5 | 190 27 4.8 26.2 Wind Parameters Mean winds (0-6000m): 317.1 at 28.3 knts Storm direction: 347.1 at 21.2 knts Shear (0-3000m) pos: 1.2 neg: 3.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 89.5 deg Storm rel helicity (0-3000m) pos: 86.7 neg: 0.0 tot: 86.7 m^2/s^2 ave: 28.9 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 40.93 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 ------------------------------------------------------------------------------- 500 306 11 196 15| 0.0 15.0 15.0| 56.2 0.0 56.2 112.5 0.92| 15.2 14.0 1000 310 16 215 13| 2.0 7.5 9.5| 69.6 0.0 69.6 69.6 0.91| 9.9 8.9 1500 312 18 223 12| 1.6 5.0 6.6| 72.0 0.0 72.0 48.0 0.89| 7.0 6.2 2000 313 19 228 12| 1.2 4.1 5.3| 75.9 0.0 75.9 38.0 0.89| 5.6 5.0 2500 313 20 233 12| 1.0 3.5 4.5| 79.9 0.0 79.9 32.0 0.89| 4.8 4.2 3000 314 21 237 12| 1.2 3.0 4.1| 86.7 0.0 86.7 28.9 0.89| 4.3 3.9 4000 315 23 248 12| 1.7 2.2 4.0|109.3 0.0 109.3 27.3 0.87| 4.1 3.6 5000 316 26 260 13| 2.1 1.8 3.9|133.6 0.0 133.6 26.7 0.83| 4.0 3.3 6000 317 28 270 15| 1.7 1.5 3.2|144.0 0.0 144.0 24.0 0.77| 3.8 2.9 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251018.12.gif