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 U9839... Searching the city database file for: U9839 ... Date:1200Z 8 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1010 148 -17.3 -21.5 70 4.2 -17.9 10 9 255.1 255.2 254.6 257.0 0.68 1 1000 223 -17.1 -21.1 71 4.0 -17.7 15 11 256.0 256.2 255.4 258.0 0.71 2 943 664 -18.3 -23.0 67 4.7 -19.0 49 11 259.2 259.3 257.8 260.9 0.64 3 929 776 -17.1 -22.1 65 5.0 -17.9 58 11 261.5 261.6 259.8 263.4 0.70 4 925 809 -15.7 -19.3 74 3.6 -16.3 60 11 263.3 263.4 261.5 265.7 0.90 5 918 866 -13.5 -15.2 87 1.7 -13.9 51 10 266.1 266.3 264.3 269.6 1.28 6 858 1380 -12.3 -22.3 43 10.0 -14.2 336 6 272.5 272.7 267.8 274.7 0.74 7 850 1451 -12.5 -22.5 43 10.0 -14.4 325 5 273.1 273.2 268.1 275.2 0.74 8 837 1569 -12.7 -18.7 61 6.0 -14.0 322 5 274.0 274.2 269.3 277.1 1.04 9 816 1762 -12.7 -14.5 86 1.8 -13.2 318 6 276.0 276.3 271.4 280.4 1.52 10 757 2329 -17.9 -18.5 95 0.6 -18.0 304 9 276.4 276.6 271.0 279.8 1.17 11 717 2735 -17.7 -34.7 21 17.0 -19.8 294 10 280.9 281.0 272.2 281.8 0.28 12 700 2914 -17.9 -26.9 45 9.0 -19.4 290 11 282.7 282.8 273.8 284.5 0.60 13 692 3000 -18.1 -26.1 50 8.0 -19.4 289 12 283.4 283.5 274.2 285.4 0.66 14 643 3545 -20.9 -24.2 75 3.3 -21.5 286 18 286.2 286.4 276.0 288.8 0.84 15 500 5360 -32.1 -34.9 76 2.8 -32.4 275 40 293.9 294.0 279.2 295.2 0.39 16 491 5488 -32.5 -35.5 75 3.0 -32.8 275 41 294.9 295.0 279.6 296.2 0.38 17 400 6900 -42.5 -45.7 71 3.2 -42.6 270 48 299.8 299.8 281.5 300.3 0.16 18 300 8780 -56.9 -60.9 60 4.0 -56.9 275 50 305.1 305.1 283.5 305.3 0.04 19 273 9376 -60.7 -64.7 59 4.0 -60.7 272 82 308.0 308.0 284.6 308.1 0.02 20 271 9421 -62.5 -66.9 55 4.4 -62.6 272 85 306.0 306.0 283.8 306.1 0.02 21 250 9920 -63.9 -68.5 53 4.6 -63.9 270 112 311.1 311.1 285.7 311.1 0.02 22 236 10270 -66.3 -70.9 52 4.6 -66.3 265 60 312.6 312.6 286.3 312.7 0.01 23 218 10750 -66.9 -71.8 50 4.9 -67.0 270 76 318.9 318.9 288.4 318.9 0.01 24 203 11180 -66.4 -71.4 49 5.0 -66.4 275 91 326.2 326.2 290.6 326.3 0.01 25 200 11270 -66.3 -71.3 49 5.0 -66.3 275 91 327.8 327.8 291.1 327.8 0.01 26 184 11775 -65.9 -70.9 50 5.0 -66.0 275 85 336.3 336.3 293.4 336.4 0.01 27 164 12479 -61.7 -68.7 39 7.0 -61.8 275 77 354.6 354.6 297.6 354.7 0.02 28 150 13030 -62.1 -70.1 34 8.0 -62.2 275 71 363.1 363.1 299.3 363.2 0.02 29 100 15540 -61.1 -76.1 12 15.0 -61.3 280 73 409.7 409.7 306.5 409.7 0.01 30 92 16059 -61.3 -78.3 9 17.0 -61.6 279 73 419.2 419.2 307.6 419.2 0.01 31 70 17760 -61.1 -83.1 4 22.0 -61.4 275 71 453.7 453.7 311.2 453.7 0.01 32 57 19032 -61.3 -83.3 4 22.0 -61.7 272 72 480.7 480.7 313.5 480.7 0.01 33 50 19840 -62.9 -84.9 4 22.0 -63.3 270 73 495.3 495.3 314.6 495.3 0.01 34 30 22940 -68.5 -88.5 4 20.0 -68.8 265 71 557.9 557.9 318.5 557.9 0.01 35 25 24034 -68.1 -89.1 3 21.0 -68.5 588.9 588.9 320.1 588.9 0.01 TRP 236 10270 -66.3 -70.9 52 4.6 -66.3 265 60 312.6 312.6 286.3 312.7 0.01 WND 203 11180 -66.4 -71.4 49 5.0 -66.4 275 91 326.2 326.2 290.6 326.3 0.01 Sounding variables and indices 1000-500 mb thick: 5137.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 69.60 % Est. max temperature: -0.07 C = 31.88 F Sfc-Lift cond lev (LCL): 942.81 mb = 665.54 m = 2183.50 ft T: -18.28 C 700-500 lapse rate: 5.81 C/km ThetaE index: 0.59 C Layer 757.0- 717.0 mb Conv cond level (CCL): 563.12 mb = 4502.04 m = 14770.28 ft Mean mixing ratio: 0.76 g/kg Conv temperature: 17.99 C = 64.39 F Cap Strength: 22.26 C Lifted Index: 26.77 C Risk: None Lifted Index @300 mb: 31.03 C Lifted Index @700 mb: 19.81 C Showalter Index: 15.60 C Risk: None Total Totals Index: 29.20 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 9.60 C K Index: -11.90 Risk: None Sweat Index: 50.00 Risk: None Energy Index: 4.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.53 J/kg Max Up Vert Vel: 8.78 m/s Conv Inhibition (B-): 50307.05 J/kg Cap Strength: 26.77 C Lift Cond Lev (LCL): 900.04 mb = 1016.35 m = 3334.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 at 15 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 1010 148 10 9 -1.6 -8.9 | 98 12 -12.4 1.6 1 1000 223 15 11 -2.8 -10.6 | 90 14 -13.7 -0.1 2 925 809 60 11 -9.5 -5.5 | 104 21 -20.3 5.0 3 850 1451 325 5 2.9 -4.1 | 129 10 -7.9 6.4 4 700 2914 290 11 10.3 -3.8 | 176 7 -0.5 6.7 5 500 5360 275 40 39.8 -3.5 | 256 30 29.0 7.0 6 400 6900 270 48 48.0 -0.0 | 254 39 37.2 10.5 7 300 8780 275 50 49.8 -4.4 | 261 39 39.0 6.2 8 250 9920 270 112 112.0 -0.0 | 264 102 101.2 10.5 9 236 10270 265 60 59.8 5.2 | 252 51 49.0 15.7 10 203 11180 275 91 90.7 -7.9 | 268 80 79.8 2.6 11 200 11270 275 91 90.7 -7.9 | 268 80 79.8 2.6 12 150 13030 275 71 70.7 -6.2 | 266 60 59.9 4.3 13 100 15540 280 73 71.9 -12.7 | 272 61 61.1 -2.2 14 70 17760 275 71 70.7 -6.2 | 266 60 59.9 4.3 15 50 19840 270 73 73.0 -0.0 | 260 63 62.2 10.5 16 30 22940 265 71 70.7 6.2 | 254 62 59.9 16.7 Wind Parameters Mean winds (0-6000m): 284.2 at 20.1 knts Storm direction: 314.2 at 15.1 knts Shear (0-3000m) pos: 1.2 neg: 3.7 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 102.6 deg Storm rel helicity (0-3000m) pos: 49.7 neg: -10.0 tot: 39.7 m^2/s^2 ave: 13.2 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.46 Bulk Shear: 83.52 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 29 11 94 16| 6.9 0.0 6.9| 12.3 -6.1 6.2 12.4 0.12| 8.5 1.0 1000 36 10 97 17| 3.5 3.5 7.0| 20.5 -10.0 10.5 10.5 0.11| 9.2 1.0 1500 30 9 100 16| 2.3 4.2 6.5| 34.7 -10.0 24.7 16.5 0.29| 8.4 2.4 2000 14 8 100 13| 1.7 3.7 5.5| 37.8 -10.0 27.8 13.9 0.32| 6.9 2.2 2500 356 9 101 10| 1.4 3.6 4.9| 42.3 -10.0 32.3 12.9 0.37| 6.1 2.3 3000 338 9 107 8| 1.2 3.7 4.8| 49.7 -10.0 39.7 13.2 0.45| 5.8 2.6 4000 309 12 151 4| 0.9 4.3 5.1| 68.5 -10.0 58.4 14.6 0.50| 5.9 3.0 5000 292 16 219 6| 0.7 4.7 5.4| 78.0 -10.0 67.9 13.6 0.43| 6.0 2.6 6000 284 20 237 10| 0.6 4.5 5.1| 78.0 -14.7 63.3 10.6 0.37| 5.6 2.1 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251208.12.gif