UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:0000Z 18 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 80 1 920 -10593 0 0 SFC 913 -9405 -15.9 -18.7 79 2.8 -16.4 0 0 264.0 264.2 262.2 266.7 0.96 3 899 -7027 -16.3 -19.2 78 2.9 -16.8 22 3 264.8 264.9 262.7 267.4 0.93 4 868 -1755 -12.9 -14.6 87 1.7 -13.3 71 9 271.0 271.2 268.0 275.0 1.42 5 850 1314 -7.9 -9.2 90 1.3 -8.3 100 13 277.9 278.2 273.6 284.2 2.24 6 846 1351 -7.1 -8.4 90 1.3 -7.5 103 13 279.1 279.5 274.5 285.9 2.39 7 822 1575 -8.5 -11.5 79 3.0 -9.4 122 16 279.9 280.2 274.2 285.4 1.93 8 809 1699 -6.3 -9.4 79 3.1 -7.3 132 18 283.5 283.9 276.7 290.2 2.31 9 700 2819 -11.7 -14.3 81 2.6 -12.5 225 33 289.5 289.8 279.0 294.9 1.80 10 585 4168 -19.3 -22.6 75 3.3 -20.0 233 35 295.9 296.1 281.0 299.3 1.06 11 500 5310 -28.9 -33.2 66 4.3 -29.4 240 36 297.8 297.9 281.0 299.3 0.47 12 400 6870 -42.1 -45.8 67 3.7 -42.3 245 52 300.3 300.3 281.7 300.8 0.16 13 348 7790 -50.5 -54.2 65 3.7 -50.6 250 64 301.1 301.1 281.9 301.4 0.07 14 320 8330 -53.9 -57.8 62 3.9 -54.0 253 72 303.7 303.7 283.0 303.9 0.05 15 302 8698 -56.8 -60.5 63 3.7 -56.8 255 77 304.7 304.8 283.4 304.9 0.04 16 300 8740 -57.1 -60.8 63 3.7 -57.2 255 77 304.9 304.9 283.4 305.0 0.04 17 292 8911 -59.3 -63.1 61 3.8 -59.3 256 76 304.1 304.1 283.1 304.2 0.03 18 259 9661 -62.5 -66.2 61 3.7 -62.6 260 71 310.0 310.0 285.4 310.1 0.02 19 253 9806 -62.7 -66.4 61 3.7 -62.7 263 70 311.8 311.8 286.0 311.9 0.02 20 250 9880 -62.3 -66.0 61 3.7 -62.3 265 69 313.4 313.5 286.6 313.5 0.02 21 200 11270 -60.1 -64.1 59 4.0 -60.2 270 69 337.6 337.6 293.7 337.7 0.03 22 162 12580 -60.5 -64.8 57 4.3 -60.6 270 62 357.9 357.9 298.3 358.1 0.04 23 150 13060 -58.5 -63.3 54 4.8 -58.6 270 60 369.3 369.3 300.5 369.5 0.05 24 137 13635 -55.3 -60.3 54 5.0 -55.5 270 56 384.6 384.7 303.1 385.0 0.08 25 115 14744 -58.5 -64.5 46 6.0 -58.7 270 50 398.4 398.5 305.0 398.7 0.06 26 100 15630 -55.5 -63.5 36 8.0 -55.8 270 44 420.5 420.5 307.8 420.9 0.07 27 73 17616 -59.3 -69.3 26 10.0 -59.6 270 48 452.1 452.1 311.1 452.3 0.05 28 70 17880 -56.7 -66.7 27 10.0 -57.2 270 48 463.1 463.1 312.1 463.5 0.07 29 68 18064 -54.3 -65.3 25 11.0 -54.9 269 47 472.1 472.1 312.8 472.6 0.09 30 54 19545 -51.7 -64.7 20 13.0 -52.8 262 39 510.3 510.3 315.7 511.0 0.12 31 50 20040 -53.5 -67.5 17 14.0 -54.5 260 36 517.4 517.4 316.2 518.0 0.09 32 36 22148 -54.7 -70.7 12 16.0 -55.9 565.3 565.3 318.9 565.8 0.08 TRP 259 9661 -62.5 -66.2 61 3.7 -62.6 260 71 310.0 310.0 285.4 310.1 0.02 WND 302 8698 -56.8 -60.5 63 3.7 -56.8 255 77 304.7 304.8 283.4 304.9 0.04 Sounding variables and indices 1000-500 mb thick: 5230.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 77.63 % Est. max temperature: 5.46 C = 41.82 F Sfc-Lift cond lev (LCL): 872.30 mb = -2496.70 m = -8191.19 ft T: -13.38 C 700-500 lapse rate: 6.90 C/km ThetaE index: 0.42 C Layer 822.0- 809.0 mb Conv cond level (CCL): 913.00 mb = -9405.10 m = -30856.27 ft Mean mixing ratio: 1.64 g/kg Conv temperature: -12.24 C = 9.97 F Cap Strength: 16.39 C Lifted Index: 16.78 C Risk: None Lifted Index @300 mb: 19.23 C Lifted Index @700 mb: 12.66 C Showalter Index: 11.74 C Risk: None Total Totals Index: 40.70 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 19.70 C K Index: 9.20 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 3.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1794.90 J/kg Max Up Vert Vel: 59.91 m/s Conv Inhibition (B-): 41011.83 J/kg Cap Strength: 16.72 C Lift Cond Lev (LCL): 839.65 mb = 1409.35 m = 4623.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 155 at 3 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 ---------------------------------------------------------- 0 913 -9405 0 0 -0.0 -0.0 | 335 3 1.1 -2.4 1 850 1314 100 13 -12.8 2.3 | 89 12 -11.7 -0.1 2 700 2819 225 33 23.3 23.3 | 229 32 24.4 20.9 3 500 5310 240 36 31.2 18.0 | 244 36 32.3 15.6 4 400 6870 245 52 47.1 22.0 | 248 52 48.2 19.6 5 302 8698 255 77 74.4 19.9 | 257 77 75.5 17.5 6 300 8740 255 77 74.4 19.9 | 257 77 75.5 17.5 7 259 9661 260 71 69.9 12.3 | 262 72 71.0 9.9 8 250 9880 265 69 68.7 6.0 | 267 70 69.8 3.6 9 200 11270 270 69 69.0 -0.0 | 272 70 70.1 -2.4 10 150 13060 270 60 60.0 -0.0 | 272 61 61.1 -2.4 11 100 15630 270 44 44.0 -0.0 | 273 45 45.1 -2.4 12 70 17880 270 48 48.0 -0.0 | 273 49 49.1 -2.4 13 50 20040 260 36 35.5 6.3 | 264 37 36.6 3.8 Wind Parameters Mean winds (0-6000m): 125.3 at 3.5 knts Storm direction: 155.3 at 2.7 knts Shear (0-3000m) pos: 0.6 neg: 0.0 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): 30.8 deg Storm rel helicity (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 m^2/s^2 ave: 0.9 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 0.6 stream: 0.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1134.11 Bulk Shear: 1.58 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 ------------------------------------------------------------------------------- 500 142 0 336 3| 0.6 0.0 0.6| 0.2 0.0 0.2 0.4 0.45| 0.6 0.3 1000 143 0 337 2| 0.6 0.0 0.6| 0.5 0.0 0.5 0.5 0.48| 0.6 0.3 1500 143 1 339 2| 0.6 0.0 0.6| 0.9 0.0 0.9 0.6 0.51| 0.6 0.3 2000 144 1 342 2| 0.6 0.0 0.6| 1.3 0.0 1.3 0.7 0.54| 0.6 0.3 2500 143 1 347 1| 0.6 0.0 0.6| 1.9 0.0 1.9 0.8 0.57| 0.6 0.4 3000 143 2 354 1| 0.6 0.0 0.6| 2.6 0.0 2.6 0.9 0.60| 0.6 0.4 4000 139 2 29 1| 0.6 0.0 0.6| 4.4 0.0 4.4 1.1 0.65| 0.7 0.4 5000 134 3 68 1| 0.6 0.0 0.6| 6.7 0.0 6.7 1.3 0.69| 0.7 0.5 6000 125 4 78 2| 0.6 0.0 0.6| 9.6 0.0 9.6 1.6 0.72| 0.7 0.5 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251218.00.gif