UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 10 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 324 SFC 940 767 -28.7 -31.0 81 2.3 -28.9 315 3 248.8 248.9 248.3 249.7 0.31 2 933 821 -24.9 -27.6 78 2.7 -25.2 327 2 253.2 253.3 252.4 254.4 0.42 3 930 844 -24.9 -27.6 78 2.7 -25.2 332 2 253.5 253.5 252.7 254.6 0.43 4 928 860 -21.9 -24.4 80 2.5 -22.2 335 1 256.7 256.8 255.7 258.2 0.57 5 925 884 -20.7 -23.2 80 2.5 -21.0 340 1 258.1 258.2 257.0 259.9 0.64 6 919 932 -19.9 -22.3 81 2.4 -20.3 336 2 259.4 259.6 258.2 261.4 0.69 7 885 1212 -20.3 -22.7 81 2.4 -20.7 314 5 261.8 262.0 260.0 263.8 0.70 8 850 1509 -22.5 -25.3 78 2.8 -22.8 290 9 262.6 262.7 260.4 264.2 0.57 9 780 2135 -26.3 -29.8 72 3.5 -26.6 310 14 265.0 265.1 261.9 266.2 0.41 10 762 2305 -24.7 -28.6 70 3.9 -25.1 315 16 268.5 268.6 264.6 269.9 0.47 11 700 2920 -26.5 -32.5 57 6.0 -27.1 335 21 273.1 273.2 267.5 274.2 0.36 12 664 3300 -27.5 -35.5 46 8.0 -28.2 334 24 276.2 276.2 269.3 277.0 0.28 13 561 4494 -33.5 -43.5 36 10.0 -34.1 332 33 282.7 282.8 273.0 283.2 0.14 14 544 4709 -35.3 -45.3 35 10.0 -35.8 331 35 283.1 283.1 273.2 283.5 0.12 15 500 5290 -39.5 -49.5 34 10.0 -39.9 330 40 284.9 284.9 274.1 285.2 0.08 16 440 6151 -46.1 -55.1 35 9.0 -46.3 327 43 287.1 287.1 275.3 287.3 0.05 17 400 6780 -49.1 -58.1 34 9.0 -49.3 325 46 291.2 291.2 277.3 291.3 0.04 18 356 7541 -52.3 -61.3 33 9.0 -52.4 319 51 296.7 296.7 279.9 296.8 0.03 19 313 8364 -58.5 -67.5 30 9.0 -58.6 312 56 299.2 299.2 281.0 299.3 0.01 20 300 8630 -60.1 -69.1 30 9.0 -60.2 310 58 300.6 300.6 281.6 300.7 0.01 21 253 9678 -65.3 -73.3 32 8.0 -65.3 305 60 307.9 307.9 284.5 308.0 0.01 22 250 9750 -65.3 -73.3 32 8.0 -65.3 305 62 309.0 309.0 284.9 309.0 0.01 23 228 10314 -65.3 -74.3 28 9.0 -65.4 305 65 317.2 317.2 287.8 317.3 0.01 24 207 10908 -63.7 -72.7 28 9.0 -63.7 305 68 328.7 328.7 291.3 328.7 0.01 25 200 11120 -63.1 -72.1 29 9.0 -63.2 305 66 332.8 332.8 292.5 332.9 0.01 26 164 12352 -59.3 -68.3 30 9.0 -59.5 295 63 358.6 358.6 298.4 358.8 0.02 27 150 12910 -59.5 -68.5 30 9.0 -59.6 290 62 367.6 367.6 300.1 367.7 0.03 28 100 15440 -61.7 -70.7 29 9.0 -61.9 280 60 408.5 408.5 306.3 408.7 0.03 29 86 16369 -62.3 -71.3 29 9.0 -62.5 278 63 425.3 425.3 308.3 425.5 0.03 30 70 17650 -57.9 -67.9 27 10.0 -58.3 275 66 460.5 460.5 311.8 460.9 0.06 31 68 17833 -57.3 -67.3 27 10.0 -57.8 465.6 465.7 312.3 466.0 0.07 32 57 18946 -58.3 -68.3 27 10.0 -58.7 487.5 487.5 314.1 487.9 0.07 TRP 253 9678 -65.3 -73.3 32 8.0 -65.3 305 60 307.9 307.9 284.5 308.0 0.01 WND 207 10908 -63.7 -72.7 28 9.0 -63.7 305 68 328.7 328.7 291.3 328.7 0.01 Sounding variables and indices 1000-500 mb thick: 4966.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 55.84 % Est. max temperature: -13.12 C = 8.38 F Sfc-Lift cond lev (LCL): 904.25 mb = 1052.07 m = 3451.62 ft T: -20.07 C 700-500 lapse rate: 5.49 C/km ThetaE index: 0.00 C Layer 940.0- -0.0 mb Conv cond level (CCL): 940.00 mb = 767.02 m = 2516.43 ft Mean mixing ratio: 0.62 g/kg Conv temperature: -23.30 C = -9.93 F Cap Strength: 17.85 C Lifted Index: 18.84 C Risk: None Lifted Index @300 mb: 27.36 C Lifted Index @700 mb: 10.66 C Showalter Index: 17.08 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 14.20 C K Index: -14.30 Risk: None Sweat Index: 58.00 Risk: None Energy Index: 4.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.21 J/kg Max Up Vert Vel: 8.27 m/s Conv Inhibition (B-): 31868.28 J/kg Cap Strength: 18.77 C Lift Cond Lev (LCL): 853.98 mb = 1474.55 m = 4837.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 358 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 ---------------------------------------------------------- 0 940 767 315 3 2.1 -2.1 | 185 18 1.4 18.2 1 925 884 340 1 0.3 -0.9 | 179 19 -0.3 19.4 2 850 1509 290 9 8.5 -3.1 | 204 19 7.8 17.3 3 700 2920 335 21 8.9 -19.0 | 261 8 8.2 1.3 4 500 5290 330 40 20.0 -34.6 | 307 24 19.3 -14.3 5 400 6780 325 46 26.4 -37.7 | 304 31 25.7 -17.3 6 300 8630 310 58 44.4 -37.3 | 291 47 43.8 -16.9 7 253 9678 305 60 49.1 -34.4 | 286 50 48.5 -14.1 8 250 9750 305 62 50.8 -35.6 | 287 52 50.1 -15.2 9 207 10908 305 68 55.7 -39.0 | 289 58 55.0 -18.7 10 200 11120 305 66 54.1 -37.9 | 288 56 53.4 -17.5 11 150 12910 290 62 58.3 -21.2 | 271 58 57.6 -0.9 12 100 15440 280 60 59.1 -10.4 | 260 59 58.4 9.9 13 70 17650 275 66 65.7 -5.8 | 257 67 65.1 14.6 Wind Parameters Mean winds (0-6000m): 328.1 at 27.1 knts Storm direction: 358.1 at 20.4 knts Shear (0-3000m) pos: 2.8 neg: 2.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 106.1 deg Storm rel helicity (0-3000m) pos: 97.8 neg: -8.1 tot: 89.7 m^2/s^2 ave: 29.9 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.44 Bulk Shear: 77.00 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 ------------------------------------------------------------------------------- 500 315 3 185 18| 0.0 3.0 3.0| 19.5 -8.1 11.4 22.7 0.37| 7.0 2.6 1000 296 6 195 18| 0.0 4.3 4.3| 46.5 -8.1 38.4 38.4 0.63| 6.8 4.2 1500 303 8 202 17| 1.9 2.9 4.8| 65.2 -8.1 57.1 38.1 0.67| 6.5 4.3 2000 314 11 208 15| 3.0 2.2 5.2| 80.1 -8.1 72.0 36.0 0.69| 6.5 4.5 2500 322 13 215 12| 3.3 1.7 5.0| 89.8 -8.1 81.7 32.7 0.71| 6.2 4.4 3000 326 15 224 11| 2.8 2.0 4.8| 97.8 -8.1 89.7 29.9 0.71| 5.9 4.2 4000 328 19 247 10| 2.1 2.5 4.6|112.4 -8.1 104.3 26.1 0.66| 5.4 3.6 5000 329 23 268 11| 1.7 2.7 4.3|118.7 -9.8 108.9 21.8 0.59| 5.0 2.9 6000 328 27 281 14| 1.4 2.6 4.0|118.7 -16.6 102.1 17.0 0.52| 4.6 2.4 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251210.12.gif