UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 29 APR 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 -27 SFC 990 54 3.2 -2.8 65 6.0 0.8 270 1 277.1 277.7 274.5 285.8 3.14 2 986 87 4.4 -4.6 52 9.0 0.9 271 2 278.7 279.1 274.8 286.4 2.75 3 959 311 1.2 -7.8 51 9.0 -1.9 279 8 277.7 278.0 273.4 283.9 2.21 4 926 591 -0.9 -9.9 50 9.0 -3.8 290 15 278.3 278.6 273.3 283.8 1.94 5 925 600 -0.9 -9.9 50 9.0 -3.8 290 15 278.4 278.7 273.4 283.9 1.94 6 850 1267 -7.3 -13.3 62 6.0 -9.0 290 21 278.5 278.8 272.9 283.1 1.61 7 813 1612 -9.9 -15.9 61 6.0 -11.4 295 20 279.3 279.5 273.1 283.3 1.36 8 706 2682 -19.1 -23.1 71 4.0 -19.8 309 17 280.6 280.8 273.0 283.2 0.84 9 700 2746 -18.9 -22.8 71 3.9 -19.6 310 17 281.6 281.7 273.6 284.2 0.87 10 696 2789 -18.7 -22.6 71 3.9 -19.4 311 17 282.2 282.4 274.0 284.9 0.89 11 659 3195 -19.5 -29.5 41 10.0 -21.0 319 21 285.8 285.9 275.3 287.4 0.50 12 550 4513 -29.5 -44.5 22 15.0 -30.6 346 33 289.1 289.1 276.4 289.5 0.13 13 500 5190 -31.9 -48.9 17 17.0 -32.9 360 40 294.1 294.2 278.9 294.5 0.09 14 458 5806 -33.5 -52.5 13 19.0 -34.5 5 53 299.6 299.6 281.3 299.9 0.06 15 424 6341 -37.9 -48.9 31 11.0 -38.5 9 65 300.7 300.7 281.8 301.1 0.11 16 414 6505 -38.6 -49.1 32 10.6 -39.1 10 69 301.9 301.9 282.3 302.3 0.11 17 400 6740 -39.5 -49.5 34 10.0 -40.0 5 66 303.7 303.7 283.0 304.0 0.10 18 394 6843 -40.1 -50.1 34 10.0 -40.6 3 63 304.2 304.2 283.2 304.5 0.10 19 369 7290 -41.9 -52.9 29 11.0 -42.3 355 52 307.5 307.6 284.5 307.8 0.08 20 300 8700 -39.7 -58.7 11 19.0 -40.5 315 21 329.4 329.4 291.6 329.6 0.05 21 254 9841 -39.5 -63.5 6 24.0 -40.6 278 23 345.8 345.8 295.7 345.9 0.03 22 250 9950 -39.5 -63.5 6 24.0 -40.6 275 23 347.3 347.3 296.1 347.5 0.03 23 200 11470 -40.3 -66.3 5 26.0 -41.6 245 25 369.0 369.0 300.4 369.1 0.03 24 194 11677 -40.9 -66.9 4 26.0 -42.1 244 26 371.2 371.2 300.8 371.3 0.02 25 150 13420 -42.7 -67.7 5 25.0 -44.0 235 36 396.5 396.5 304.8 396.6 0.03 26 148 13511 -42.3 -67.3 5 25.0 -43.6 235 36 398.7 398.7 305.0 398.8 0.03 27 105 15805 -47.3 -71.3 5 24.0 -48.4 235 35 430.3 430.3 308.9 430.4 0.02 28 100 16130 -44.7 -69.7 4 25.0 -46.2 235 35 441.4 441.4 310.0 441.5 0.03 29 95 16472 -46.5 -70.5 5 24.0 -47.9 234 32 444.4 444.4 310.3 444.5 0.03 30 78 17761 -53.7 -76.7 4 23.0 -54.5 232 22 455.2 455.2 311.4 455.3 0.01 31 70 18460 -51.9 -74.9 5 23.0 -52.9 230 17 473.4 473.4 312.9 473.5 0.02 32 50 20630 -54.5 -77.5 4 23.0 -55.5 250 11 515.0 515.0 316.0 515.2 0.02 33 40 22060 -54.1 -77.1 4 23.0 -55.4 252 9 550.0 550.0 318.1 550.2 0.03 34 30 23910 -53.1 -76.1 4 23.0 -54.9 255 7 599.9 599.9 320.6 600.2 0.04 35 23 25625 -54.1 -77.1 4 23.0 -56.2 275 6 644.3 644.3 322.5 644.7 0.05 36 20 26530 -51.5 -74.5 5 23.0 -54.4 285 5 678.5 678.6 323.7 679.2 0.08 37 18 27218 -48.5 -72.5 5 24.0 -52.5 305 5 708.8 708.8 324.7 709.8 0.12 38 10 31120 -44.3 -69.3 5 25.0 -51.9 55 5 854.2 854.4 328.5 857.8 0.34 39 9.7 31324 -44.7 -69.7 4 25.0 -52.2 860.2 860.3 328.7 863.7 0.33 40 8.7 32057 -41.5 -66.5 5 25.0 -51.0 899.8 900.1 329.5 906.2 0.57 TRP 369 7290 -41.9 -52.9 29 11.0 -42.3 355 52 307.5 307.6 284.5 307.8 0.08 WND 414 6505 -38.6 -49.1 32 10.6 -39.1 10 69 301.9 301.9 282.3 302.3 0.11 Sounding variables and indices 1000-500 mb thick: 5217.00 m Freezing level: 940.14 mb = 471.36 m = 1546.43 ft Wetbulb zero: 977.46 mb = 157.33 m = 516.16 ft Precipitable water: 0.22 inches Sfc-500 mean rel hum: 46.75 % Est. max temperature: 4.77 C = 40.58 F Sfc-Lift cond lev (LCL): 902.10 mb = 797.70 m = 2617.11 ft T: -2.80 C 700-500 lapse rate: 5.32 C/km ThetaE index: 2.55 C Layer 959.0- 925.0 mb Conv cond level (CCL): 805.89 mb = 1678.81 m = 5507.83 ft Mean mixing ratio: 2.14 g/kg Conv temperature: 5.45 C = 41.82 F Cap Strength: 5.05 C Lifted Index: 8.71 C Risk: None Lifted Index @300 mb: 32.06 C Lifted Index @700 mb: 0.65 C Showalter Index: 9.56 C Risk: None Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 24.60 C Cross Totals Index: 18.60 C K Index: 7.40 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 2.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.61 J/kg Max Up Vert Vel: 2.29 m/s Conv Inhibition (B-): 77938.80 J/kg Cap Strength: 8.66 C Lift Cond Lev (LCL): 820.61 mb = 1539.95 m = 5052.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 at 20 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 ---------------------------------------------------------- 0 990 54 270 1 1.0 -0.0 | 191 20 3.7 19.7 1 925 600 290 15 14.1 -5.1 | 229 22 16.8 14.6 2 850 1267 290 21 19.7 -7.2 | 241 26 22.4 12.5 3 700 2746 310 17 13.0 -10.9 | 241 18 15.7 8.8 4 500 5190 360 40 -0.0 -40.0 | 352 20 2.7 -20.3 5 414 6505 10 69 -12.0 -68.0 | 11 49 -9.3 -48.3 6 400 6740 5 66 -5.8 -65.7 | 4 46 -3.0 -46.1 7 369 7290 355 52 4.5 -51.8 | 347 33 7.2 -32.1 8 300 8700 315 21 14.8 -14.8 | 255 18 17.6 4.8 9 250 9950 275 23 22.9 -2.0 | 235 31 25.6 17.7 10 200 11470 245 25 22.7 10.6 | 220 39 25.4 30.3 11 150 13420 235 36 29.5 20.6 | 219 52 32.2 40.3 12 100 16130 235 35 28.7 20.1 | 218 51 31.4 39.8 13 70 18460 230 17 13.0 10.9 | 207 34 15.7 30.6 14 50 20630 250 11 10.3 3.8 | 209 27 13.0 23.5 15 30 23910 255 7 6.8 1.8 | 204 23 9.5 21.5 16 20 26530 285 5 4.8 -1.3 | 202 20 7.5 18.4 17 10 31120 55 5 -4.1 -2.9 | 175 17 -1.4 16.8 Wind Parameters Mean winds (0-6000m): 337.8 at 26.5 knts Storm direction: 7.8 at 19.9 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 61.5 deg Storm rel helicity (0-3000m) pos: 128.8 neg: -1.5 tot: 127.4 m^2/s^2 ave: 42.5 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 66.25 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 ------------------------------------------------------------------------------- 500 289 7 209 20| 13.3 0.0 13.3| 71.9 0.0 71.9 143.9 0.99| 13.5 13.3 1000 290 12 222 21| 9.3 0.0 9.3|100.2 0.0 100.2 100.2 0.96| 9.5 9.0 1500 290 15 229 22| 6.6 0.0 6.6|111.9 0.0 111.9 74.6 0.89| 7.5 6.6 2000 292 16 232 22| 4.6 0.0 4.6|113.1 0.0 113.1 56.6 0.80| 6.3 5.0 2500 295 17 234 22| 3.4 0.0 3.4|113.1 -1.0 112.1 44.8 0.72| 5.6 4.0 3000 297 17 236 21| 3.3 0.0 3.3|128.8 -1.5 127.4 42.5 0.72| 5.4 3.9 4000 308 19 245 19| 3.7 0.0 3.7|184.3 -1.5 182.8 45.7 0.80| 5.7 4.6 5000 324 22 263 16| 4.0 0.0 4.0|252.2 -1.5 250.7 50.1 0.84| 6.1 5.2 6000 338 27 291 14| 5.1 0.0 5.1|316.9 -1.5 315.4 52.6 0.72| 7.0 5.1 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250429.12.gif