UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 8 DEC 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 227 210 1 SFC 995 261 -40.7 -44.3 68 3.6 -40.8 210 1 232.8 232.8 232.7 233.0 0.07 2 994 268 -37.7 -42.5 61 4.8 -37.8 211 1 235.9 235.9 235.7 236.1 0.09 3 970 437 -36.1 -40.9 61 4.8 -36.2 241 3 239.1 239.1 238.9 239.4 0.11 4 925 769 -33.7 -38.3 63 4.6 -33.9 300 7 244.8 244.9 244.3 245.3 0.15 5 869 1210 -30.7 -35.0 66 4.3 -31.0 322 4 252.4 252.4 251.3 253.0 0.22 6 850 1367 -31.1 -35.3 66 4.2 -31.4 330 3 253.6 253.6 252.3 254.2 0.22 7 829 1544 -31.9 -36.0 67 4.1 -32.1 335 4 254.5 254.6 253.1 255.2 0.21 8 810 1707 -32.3 -36.4 67 4.1 -32.6 339 4 255.8 255.8 254.1 256.4 0.21 9 702 2712 -33.7 -37.9 66 4.2 -34.0 4 9 264.9 265.0 261.4 265.6 0.21 10 700 2732 -33.7 -37.9 66 4.2 -34.0 5 9 265.2 265.2 261.6 265.8 0.21 11 603 3767 -39.1 -43.4 64 4.3 -39.3 5 14 270.5 270.5 265.3 270.9 0.14 12 581 4022 -38.9 -43.3 63 4.4 -39.1 5 16 273.6 273.6 267.4 274.1 0.14 13 500 5040 -44.5 -49.5 57 5.0 -44.6 5 21 278.8 278.8 270.6 279.1 0.08 14 400 6510 -52.7 -58.7 48 6.0 -52.8 360 25 286.5 286.5 274.9 286.6 0.03 15 386 6739 -53.7 -59.7 48 6.0 -53.8 1 25 288.1 288.1 275.7 288.2 0.03 16 330 7738 -57.3 -63.3 46 6.0 -57.3 5 27 296.4 296.4 279.8 296.5 0.02 17 300 8340 -57.5 -63.5 46 6.0 -57.6 5 19 304.3 304.3 283.1 304.4 0.02 18 250 9490 -56.7 -63.7 41 7.0 -56.8 310 23 321.8 321.8 289.3 321.9 0.03 19 235 9883 -56.5 -63.5 41 7.0 -56.6 311 22 327.8 327.8 291.1 327.9 0.03 20 200 10910 -55.5 -63.5 36 8.0 -55.6 315 19 344.9 344.9 295.5 345.0 0.04 21 173 11835 -56.7 -65.7 31 9.0 -56.9 305 22 357.5 357.5 298.2 357.6 0.03 22 150 12740 -57.3 -67.3 27 10.0 -57.5 295 25 371.4 371.4 300.8 371.5 0.03 23 105 15002 -58.7 -70.7 20 12.0 -59.0 277 34 408.6 408.6 306.3 408.7 0.03 24 100 15310 -58.3 -70.3 20 12.0 -58.6 275 35 415.1 415.1 307.2 415.2 0.03 25 80 16709 -59.7 -72.7 17 13.0 -60.0 269 35 439.6 439.6 309.8 439.7 0.03 26 70 17540 -61.3 -74.3 16 13.0 -61.6 265 35 453.2 453.2 311.2 453.4 0.02 27 51 19480 -66.7 -79.7 14 13.0 -66.9 246 45 483.6 483.6 313.7 483.6 0.01 28 50 19600 -66.5 -79.5 14 13.0 -66.7 245 46 486.8 486.8 314.0 486.9 0.01 29 37 21418 -67.1 -81.1 12 14.0 -67.4 245 53 529.0 529.0 316.9 529.1 0.02 30 31 22491 -65.1 -79.1 13 14.0 -65.5 245 57 561.9 561.9 318.8 562.0 0.02 31 30 22690 -65.9 -79.9 12 14.0 -66.3 245 58 565.0 565.0 318.9 565.1 0.02 32 22 24566 -67.3 -81.3 12 14.0 -67.8 613.2 613.2 321.2 613.4 0.02 TRP 330 7738 -57.3 -63.3 46 6.0 -57.3 5 27 296.4 296.4 279.8 296.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 4813.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.04 inches Sfc-500 mean rel hum: 63.86 % Est. max temperature: -19.72 C = -3.49 F Sfc-Lift cond lev (LCL): 934.02 mb = 701.23 m = 2300.58 ft T: -34.19 C 700-500 lapse rate: 4.68 C/km ThetaE index: 0.00 C Layer 995.0--66188687651123427803136.0 mb Conv cond level (CCL): 995.00 mb = 261.15 m = 856.79 ft Mean mixing ratio: 0.14 g/kg Conv temperature: -38.67 C = -37.61 F Cap Strength: 26.44 C Lifted Index: 29.54 C Risk: None Lifted Index @300 mb: 43.61 C Lifted Index @700 mb: 20.33 C Showalter Index: 20.20 C Risk: None Total Totals Index: 22.60 C Risk: None Vertical Totals Index: 13.40 C Cross Totals Index: 9.20 C K Index: -26.10 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 5.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.11 J/kg Max Up Vert Vel: 9.18 m/s Conv Inhibition (B-): 60861.46 J/kg Cap Strength: 29.39 C Lift Cond Lev (LCL): 874.21 mb = 1167.86 m = 3831.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 30 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 ---------------------------------------------------------- 0 995 261 210 1 0.5 0.9 | 210 11 5.3 9.1 1 925 769 300 7 6.1 -3.5 | 246 12 10.8 4.7 2 850 1367 330 3 1.5 -2.6 | 228 8 6.3 5.6 3 700 2732 5 9 -0.8 -9.0 | 280 4 4.0 -0.7 4 500 5040 5 21 -1.8 -20.9 | 347 13 2.9 -12.7 5 400 6510 360 25 -0.0 -25.0 | 344 17 4.8 -16.8 6 330 7738 5 27 -2.4 -26.9 | 353 19 2.4 -18.7 7 300 8340 5 19 -1.7 -18.9 | 344 11 3.1 -10.7 8 250 9490 310 23 17.6 -14.8 | 286 23 22.4 -6.5 9 200 10910 315 19 13.4 -13.4 | 286 19 18.2 -5.2 10 150 12740 295 25 22.7 -10.6 | 275 28 27.4 -2.3 11 100 15310 275 35 34.9 -3.1 | 263 40 39.6 5.2 12 70 17540 265 35 34.9 3.1 | 254 41 39.6 11.3 13 50 19600 245 46 41.7 19.4 | 239 54 46.5 27.7 14 30 22690 245 58 52.6 24.5 | 240 66 57.3 32.8 Wind Parameters Mean winds (0-6000m): 0.1 at 12.7 knts Storm direction: 30.1 at 9.5 knts Shear (0-3000m) pos: 1.7 neg: 0.4 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 102.7 deg Storm rel helicity (0-3000m) pos: 36.9 neg: -6.9 tot: 30.0 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.27 Bulk Shear: 18.51 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 ------------------------------------------------------------------------------- 500 292 4 231 11| 7.2 0.0 7.2| 24.7 0.0 24.7 49.4 0.88| 8.9 7.8 1000 302 5 236 10| 2.2 0.0 2.2| 24.7 -5.3 19.4 19.4 0.43| 6.5 2.8 1500 310 4 236 10| 1.9 0.0 1.9| 27.9 -6.9 21.0 14.0 0.41| 5.2 2.2 2000 323 5 240 9| 2.0 0.0 2.0| 31.3 -6.9 24.5 12.2 0.47| 4.6 2.1 2500 337 5 244 8| 2.1 0.0 2.1| 34.1 -6.9 27.2 10.9 0.51| 4.2 2.2 3000 345 6 250 7| 1.7 0.4 2.2| 36.9 -6.9 30.0 10.0 0.55| 4.0 2.2 4000 355 8 269 6| 1.3 1.0 2.3| 42.4 -6.9 35.6 8.9 0.56| 3.7 2.0 5000 359 11 295 5| 1.0 1.3 2.3| 46.7 -7.1 39.6 7.9 0.52| 3.4 1.8 6000 0 13 313 7| 0.9 1.3 2.2| 46.7 -9.2 37.5 6.3 0.46| 3.1 1.4 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251208.12.gif