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 X0935... Searching the city database file for: X0935 ... Date:1200Z 8 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 229 SFC 929 770 -24.7 -27.5 77 2.8 -25.0 0 0 253.7 253.8 252.9 254.9 0.43 2 925 802 -24.1 -26.9 78 2.8 -24.4 360 1 254.7 254.7 253.7 255.9 0.46 3 869 1266 -13.9 -16.6 80 2.7 -14.5 334 8 269.9 270.1 266.8 273.2 1.20 4 850 1434 -14.3 -18.0 73 3.7 -15.1 325 11 271.2 271.3 267.5 274.3 1.09 5 803 1863 -16.9 -19.9 77 3.0 -17.5 322 16 272.8 273.0 268.4 275.7 0.98 6 776 2120 -16.1 -19.2 77 3.1 -16.7 320 19 276.4 276.6 270.8 279.5 1.08 7 700 2884 -23.7 -28.4 65 4.7 -24.3 315 27 276.2 276.3 269.8 277.8 0.53 8 696 2926 -24.1 -28.7 66 4.6 -24.7 315 28 276.2 276.3 269.8 277.8 0.51 9 582 4205 -33.7 -36.7 74 3.0 -33.9 304 48 279.5 279.6 271.4 280.4 0.28 10 576 4278 -33.7 -36.7 74 3.0 -33.9 303 50 280.4 280.4 271.9 281.3 0.29 11 504 5205 -38.1 -46.1 43 8.0 -38.5 295 65 285.9 286.0 274.8 286.3 0.12 12 500 5260 -38.3 -46.3 43 8.0 -38.7 295 66 286.3 286.4 274.9 286.7 0.12 13 472 5654 -41.5 -50.5 37 9.0 -41.8 295 71 287.1 287.1 275.3 287.4 0.08 14 450 5975 -44.3 -53.3 36 9.0 -44.6 295 75 287.6 287.6 275.5 287.8 0.06 15 400 6760 -47.1 -55.1 40 8.0 -47.3 295 85 293.8 293.8 278.6 294.0 0.05 16 384 7029 -48.1 -56.1 39 8.0 -48.3 295 87 295.9 295.9 279.6 296.1 0.05 17 304 8536 -56.2 -67.1 24 10.8 -56.3 295 99 304.9 304.9 283.4 305.0 0.02 18 300 8620 -56.7 -67.7 24 11.0 -56.8 295 99 305.4 305.4 283.6 305.5 0.01 19 297 8684 -56.9 -67.9 24 11.0 -57.0 295 99 306.0 306.0 283.8 306.1 0.01 20 291 8814 -58.7 -69.7 23 11.0 -58.8 295 98 305.2 305.2 283.5 305.3 0.01 21 270 9286 -60.1 -71.1 22 11.0 -60.2 295 97 309.8 309.8 285.2 309.9 0.01 22 253 9694 -60.1 -71.1 22 11.0 -60.2 291 94 315.6 315.6 287.3 315.7 0.01 23 251 9745 -56.9 -67.9 24 11.0 -57.1 290 93 321.1 321.1 289.1 321.2 0.02 24 250 9770 -57.1 -68.1 24 11.0 -57.2 290 93 321.2 321.2 289.1 321.2 0.02 25 220 10579 -56.5 -67.5 24 11.0 -56.6 287 79 334.1 334.1 292.8 334.1 0.02 26 204 11062 -52.3 -64.3 22 12.0 -52.6 285 70 348.0 348.0 296.2 348.1 0.03 27 200 11190 -52.9 -64.9 22 12.0 -53.2 285 68 349.0 349.0 296.4 349.1 0.03 28 179 11900 -55.3 -68.3 18 13.0 -55.5 283 66 356.3 356.3 298.0 356.4 0.02 29 150 13030 -53.7 -67.7 16 14.0 -54.1 280 62 377.5 377.6 301.9 377.7 0.03 30 149 13073 -53.7 -67.7 16 14.0 -54.1 280 62 378.3 378.3 302.0 378.4 0.03 31 122 14345 -58.5 -74.5 11 16.0 -58.7 285 67 391.8 391.8 304.0 391.8 0.01 32 100 15600 -56.9 -73.9 10 17.0 -57.3 290 71 417.8 417.8 307.4 417.9 0.02 33 93 16059 -28.5 -31.8 73 3.3 -29.9 284 66 482.6 483.4 314.8 498.1 2.88 34 59 18970 -58.3 -77.3 7 19.0 -58.9 263 48 482.7 482.7 313.7 482.8 0.02 35 51 19842 -62.5 -81.5 6 19.0 -62.9 265 50 493.4 493.4 314.5 493.5 0.01 36 50 19960 -61.5 -80.5 6 19.0 -62.0 265 50 498.6 498.6 314.8 498.6 0.01 37 46 20479 -59.5 -79.5 6 20.0 -60.2 515.4 515.4 316.0 515.5 0.02 TRP 270 9286 -60.1 -71.1 22 11.0 -60.2 295 97 309.8 309.8 285.2 309.9 0.01 WND 304 8536 -56.2 -67.1 24 10.8 -56.3 295 99 304.9 304.9 283.4 305.0 0.02 Sounding variables and indices 1000-500 mb thick: 5031.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 69.47 % Est. max temperature: -2.92 C = 26.75 F Sfc-Lift cond lev (LCL): 886.57 mb = 1117.60 m = 3666.61 ft T: -17.17 C 700-500 lapse rate: 6.14 C/km ThetaE index: 1.72 C Layer 700.0- 582.0 mb Conv cond level (CCL): 929.00 mb = 770.26 m = 2527.07 ft Mean mixing ratio: 0.93 g/kg Conv temperature: -18.86 C = -1.96 F Cap Strength: 14.73 C Lifted Index: 15.03 C Risk: None Lifted Index @300 mb: 26.37 C Lifted Index @700 mb: 8.27 C Showalter Index: 10.14 C Risk: None Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.00 C Cross Totals Index: 20.30 C K Index: 1.30 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 2.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.95 J/kg Max Up Vert Vel: 12.08 m/s Conv Inhibition (B-): 36389.15 J/kg Cap Strength: 14.62 C Lift Cond Lev (LCL): 845.90 mb = 1470.45 m = 4824.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 33 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 ---------------------------------------------------------- 0 929 770 0 0 -0.0 -0.0 | 150 33 -16.3 28.4 1 925 802 360 1 -0.0 -1.0 | 149 32 -16.3 27.4 2 850 1434 325 11 6.3 -9.0 | 153 22 -10.0 19.4 3 700 2884 315 27 19.1 -19.1 | 197 10 2.8 9.3 4 500 5260 295 66 59.8 -27.9 | 269 44 43.5 0.5 5 400 6760 295 85 77.0 -35.9 | 277 61 60.8 -7.6 6 304 8536 295 99 89.7 -41.8 | 280 75 73.4 -13.5 7 300 8620 295 99 89.7 -41.8 | 280 75 73.4 -13.5 8 270 9286 295 97 87.9 -41.0 | 280 73 71.6 -12.6 9 250 9770 290 93 87.4 -31.8 | 273 71 71.1 -3.4 10 200 11190 285 68 65.7 -17.6 | 258 51 49.4 10.8 11 150 13030 280 62 61.1 -10.8 | 249 48 44.8 17.6 12 100 15600 290 71 66.7 -24.3 | 265 51 50.4 4.1 13 70 17860 260 46 45.3 8.0 | 219 47 29.0 36.4 14 50 19960 265 50 49.8 4.4 | 226 47 33.5 32.7 Wind Parameters Mean winds (0-6000m): 300.1 at 43.6 knts Storm direction: 330.1 at 32.7 knts Shear (0-3000m) pos: 0.0 neg: 7.1 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 109.5 deg Storm rel helicity (0-3000m) pos: 84.9 neg: -12.4 tot: 72.5 m^2/s^2 ave: 24.2 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 3.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.34 Bulk Shear: 213.28 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 ------------------------------------------------------------------------------- 500 337 4 149 28| 0.0 8.7 8.7| 4.4 -12.4 -8.0 -16.1 -0.10| 9.0 -0.9 1000 326 8 152 25| 0.0 7.6 7.6| 20.1 -12.4 7.7 7.7 0.12| 8.0 1.0 1500 323 11 154 22| 0.0 6.9 6.9| 31.9 -12.4 19.4 13.0 0.22| 7.2 1.6 2000 320 14 158 19| 0.0 6.6 6.6| 45.5 -12.4 33.1 16.6 0.35| 6.9 2.4 2500 318 17 163 16| 0.0 6.9 6.9| 65.1 -12.4 52.7 21.1 0.49| 7.1 3.5 3000 315 20 172 14| 0.0 7.1 7.1| 84.9 -12.4 72.5 24.2 0.52| 7.4 3.9 4000 308 28 207 12| 0.0 7.5 7.5|108.2 -12.4 95.8 23.9 0.43| 7.9 3.4 5000 303 36 237 17| 0.0 7.5 7.5|140.1 -15.1 125.0 25.0 0.37| 7.9 3.0 6000 300 44 253 22| 0.0 7.3 7.3|203.0 -15.1 187.9 31.3 0.37| 7.7 2.8 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251208.12.gif