UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 9 DEC 25 Station: X0935 WMO ident: 30935 Latitude: 50.37 Longitude: 108.75 ------------------------------------------------------------------------------- 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 265 SFC 933 774 -25.5 -28.3 77 2.8 -25.8 0 0 252.6 252.7 251.8 253.7 0.40 2 925 837 -23.5 -26.2 78 2.7 -23.8 10 1 255.3 255.4 254.3 256.6 0.49 3 893 1097 -17.3 -19.9 80 2.6 -17.7 335 4 264.3 264.4 262.3 266.7 0.88 4 850 1465 -19.3 -22.8 74 3.5 -19.8 285 9 265.9 266.0 263.2 268.0 0.72 5 788 2026 -21.5 -25.4 71 3.9 -22.0 295 18 269.4 269.5 265.4 271.2 0.61 6 700 2896 -23.3 -27.9 66 4.6 -23.9 310 31 276.7 276.8 270.1 278.3 0.55 7 688 3022 -23.5 -28.5 63 5.0 -24.2 309 34 277.8 277.9 270.8 279.4 0.53 8 643 3514 -26.9 -33.9 52 7.0 -27.6 305 44 279.4 279.5 271.4 280.5 0.34 9 594 4081 -30.5 -34.4 69 3.9 -30.9 300 56 281.6 281.7 272.7 282.7 0.35 10 589 4141 -31.9 -36.9 61 5.0 -32.3 300 58 280.7 280.7 272.1 281.6 0.27 11 548 4649 -33.7 -40.7 49 7.0 -34.2 295 69 284.4 284.4 274.0 285.0 0.20 12 500 5290 -35.3 -41.3 54 6.0 -35.7 290 83 290.0 290.0 277.0 290.7 0.21 13 457 5913 -37.3 -42.3 60 5.0 -37.6 288 76 295.1 295.1 279.4 295.7 0.20 14 410 6654 -41.9 -46.9 58 5.0 -42.1 286 68 298.4 298.4 280.8 298.9 0.14 15 400 6820 -45.1 -49.7 60 4.6 -45.3 285 66 296.4 296.4 279.9 296.7 0.10 16 383 7107 -46.5 -51.1 59 4.6 -46.7 285 72 298.2 298.3 280.7 298.6 0.09 17 381 7142 -46.9 -51.5 59 4.6 -47.0 285 72 298.2 298.2 280.7 298.5 0.09 18 380 7159 -47.5 -52.1 59 4.6 -47.6 285 73 297.6 297.6 280.4 297.9 0.08 19 300 8680 -56.9 -62.9 47 6.0 -57.0 285 104 305.1 305.1 283.5 305.2 0.03 20 288 8938 -57.8 -63.8 46 6.0 -57.9 285 118 307.4 307.4 284.4 307.5 0.02 21 272 9297 -59.1 -65.1 46 6.0 -59.2 285 71 310.6 310.6 285.6 310.7 0.02 22 268 9389 -60.1 -66.1 45 6.0 -60.2 285 59 310.5 310.5 285.5 310.6 0.02 23 267 9413 -61.9 -67.9 45 6.0 -62.0 285 56 308.2 308.2 284.7 308.2 0.02 24 250 9820 -61.1 -68.1 39 7.0 -61.2 285 77 315.2 315.2 287.2 315.3 0.02 25 235 10209 -57.3 -64.3 41 7.0 -57.4 285 73 326.6 326.6 290.7 326.7 0.03 26 215 10771 -59.1 -66.1 40 7.0 -59.2 285 67 332.2 332.2 292.3 332.3 0.02 27 203 11135 -55.5 -62.5 41 7.0 -55.6 285 63 343.4 343.4 295.2 343.6 0.04 28 200 11230 -55.9 -62.9 41 7.0 -56.1 285 62 344.2 344.3 295.4 344.4 0.04 29 152 12976 -56.9 -65.9 31 9.0 -57.1 275 64 370.6 370.6 300.7 370.8 0.04 30 150 13060 -55.3 -65.3 28 10.0 -55.6 275 64 374.8 374.8 301.4 375.0 0.04 31 139 13547 -54.3 -65.3 25 11.0 -54.6 384.8 384.8 303.1 385.0 0.04 TRP 267 9413 -61.9 -67.9 45 6.0 -62.0 285 56 308.2 308.2 284.7 308.2 0.02 WND 288 8938 -57.8 -63.8 46 6.0 -57.9 285 118 307.4 307.4 284.4 307.5 0.02 Sounding variables and indices 1000-500 mb thick: 5025.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 63.90 % Est. max temperature: -8.67 C = 16.40 F Sfc-Lift cond lev (LCL): 890.30 mb = 1119.78 m = 3673.78 ft T: -17.42 C 700-500 lapse rate: 5.01 C/km Conv cond level (CCL): 933.00 mb = 773.62 m = 2538.08 ft Mean mixing ratio: 0.72 g/kg Conv temperature: -21.73 C = -7.12 F Cap Strength: 16.67 C Lifted Index: 20.75 C Risk: None Lifted Index @300 mb: 28.57 C Lifted Index @700 mb: 11.46 C Showalter Index: 18.23 C Risk: None Total Totals Index: 28.50 C Risk: None Vertical Totals Index: 16.00 C Cross Totals Index: 12.50 C K Index: -11.40 Risk: None Sweat Index: 101.00 Risk: None Energy Index: 4.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.93 J/kg Max Up Vert Vel: 10.19 m/s Conv Inhibition (B-): 15556.72 J/kg Cap Strength: 20.49 C Lift Cond Lev (LCL): 842.55 mb = 1530.21 m = 5020.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 35 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 ---------------------------------------------------------- 0 933 774 0 0 -0.0 -0.0 | 143 35 -21.2 28.3 1 925 837 10 1 -0.2 -1.0 | 142 35 -21.4 27.3 2 850 1465 285 9 8.7 -2.3 | 154 29 -12.5 26.0 3 700 2896 310 31 23.7 -19.9 | 197 9 2.5 8.4 4 500 5290 290 83 78.0 -28.4 | 270 57 56.8 -0.1 5 400 6820 285 66 63.8 -17.1 | 255 44 42.5 11.2 6 300 8680 285 104 100.5 -26.9 | 269 79 79.2 1.4 7 288 8938 285 118 114.0 -30.5 | 271 93 92.8 -2.2 8 267 9413 285 56 54.1 -14.5 | 247 36 32.9 13.8 9 250 9820 285 77 74.4 -19.9 | 261 54 53.1 8.4 10 200 11230 285 62 59.9 -16.0 | 252 41 38.7 12.3 11 150 13060 275 64 63.8 -5.6 | 242 48 42.5 22.7 Wind Parameters Mean winds (0-6000m): 293.1 at 47.2 knts Storm direction: 323.1 at 35.4 knts Shear (0-3000m) pos: 2.8 neg: 6.0 tot: 8.8 10-3/s Storm rel Dir Shear (0-3000m): 123.3 deg Storm rel helicity (0-3000m) pos: 159.0 neg: -12.4 tot: 146.6 m^2/s^2 ave: 48.9 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 5.4 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.20 Bulk Shear: 258.25 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 ------------------------------------------------------------------------------- 500 319 3 144 32| 0.0 6.8 6.8| 21.1 -12.4 8.6 17.3 0.16| 8.1 1.3 1000 290 7 150 30| 0.0 7.1 7.1| 73.7 -12.4 61.2 61.2 0.49| 8.7 4.3 1500 294 10 154 27| 2.8 4.7 7.5| 98.4 -12.4 85.9 57.3 0.51| 8.6 4.4 2000 301 14 156 23| 4.3 3.5 7.8|114.5 -12.4 102.0 51.0 0.50| 8.7 4.4 2500 305 18 160 19| 3.4 4.9 8.3|136.7 -12.4 124.2 49.7 0.59| 9.1 5.3 3000 304 22 169 16| 2.8 6.0 8.8|159.0 -12.4 146.6 48.9 0.57| 9.5 5.4 4000 300 32 208 14| 2.1 7.4 9.5|176.1 -14.0 162.1 40.5 0.43| 10.2 4.4 5000 295 42 238 19| 1.7 6.6 8.3|176.1 -90.5 85.5 17.1 0.29| 10.0 2.9 6000 293 47 246 24| 1.4 4.7 6.1|176.1-199.7 -23.7 -3.9 0.18| 9.3 1.7 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251209.12.gif