UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 20 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 274 SFC 934 768 -28.9 -33.6 64 4.7 -29.2 0 0 249.1 249.1 248.4 249.7 0.24 2 925 838 -27.9 -32.5 65 4.6 -28.2 10 1 250.8 250.8 250.0 251.5 0.27 3 865 1328 -19.3 -22.8 74 3.5 -19.8 239 12 264.6 264.7 262.2 266.6 0.71 4 850 1458 -18.7 -22.3 73 3.6 -19.3 205 15 266.6 266.7 263.7 268.7 0.75 5 814 1779 -20.5 -24.6 70 4.1 -21.1 227 17 268.0 268.1 264.5 269.8 0.64 6 795 1954 -18.7 -23.4 66 4.7 -19.4 239 18 271.7 271.8 267.3 273.8 0.73 7 700 2890 -24.7 -31.7 52 7.0 -25.5 305 23 275.1 275.2 268.8 276.3 0.38 8 657 3348 -27.7 -34.7 51 7.0 -28.3 307 28 276.8 276.8 269.8 277.7 0.31 9 605 3938 -28.9 -36.9 46 8.0 -29.6 309 36 282.0 282.0 272.8 282.9 0.27 10 500 5280 -36.3 -42.3 54 6.0 -36.7 315 52 288.8 288.8 276.3 289.4 0.18 11 448 6036 -40.1 -46.1 53 6.0 -40.4 317 56 293.2 293.2 278.4 293.7 0.14 12 400 6800 -46.3 -52.3 51 6.0 -46.5 320 60 294.8 294.8 279.1 295.1 0.08 13 357 7544 -52.5 -58.5 48 6.0 -52.6 325 71 296.2 296.2 279.7 296.4 0.04 14 322 8204 -56.5 -61.9 50 5.4 -56.6 330 81 299.5 299.5 281.2 299.6 0.03 15 300 8650 -59.3 -64.3 52 5.0 -59.3 320 77 301.8 301.8 282.1 301.8 0.02 16 286 8950 -61.3 -67.3 45 6.0 -61.3 324 77 303.0 303.0 282.6 303.1 0.02 17 284 8994 -61.5 -67.5 45 6.0 -61.6 325 77 303.4 303.4 282.8 303.4 0.02 18 250 9790 -61.3 -67.3 45 6.0 -61.4 325 69 314.9 314.9 287.1 315.0 0.02 19 244 9940 -61.3 -67.3 45 6.0 -61.4 322 67 317.1 317.1 287.8 317.2 0.02 20 205 11033 -55.5 -61.5 47 6.0 -55.6 303 50 342.4 342.5 295.0 342.7 0.05 21 200 11190 -55.5 -61.5 47 6.0 -55.6 300 48 344.9 344.9 295.6 345.1 0.05 22 150 13020 -55.1 -61.1 47 6.0 -55.3 285 31 375.1 375.2 301.5 375.5 0.07 23 140 13460 -55.3 -61.3 47 6.0 -55.5 283 32 382.3 382.3 302.6 382.6 0.07 24 138 13553 -53.3 -59.3 48 6.0 -53.5 283 32 387.4 387.4 303.5 387.8 0.09 25 127 14085 -55.5 -61.5 47 6.0 -55.7 281 33 392.7 392.7 304.2 393.1 0.08 26 113 14830 -55.3 -62.3 41 7.0 -55.6 278 34 406.4 406.4 306.1 406.8 0.08 27 110 15003 -51.5 -58.5 43 7.0 -51.9 277 34 416.7 416.7 307.4 417.4 0.13 28 100 15620 -52.7 -59.7 42 7.0 -53.1 275 35 425.9 425.9 308.4 426.5 0.12 29 85 16670 -50.7 -58.7 38 8.0 -51.3 273 32 450.2 450.3 311.0 451.1 0.16 30 70 17920 -54.3 -62.3 37 8.0 -54.8 270 29 468.2 468.3 312.5 468.9 0.13 31 64 18495 -53.3 -62.3 33 9.0 -53.9 263 27 482.6 482.6 313.7 483.4 0.14 32 55 19460 -57.1 -65.1 36 8.0 -57.6 252 23 495.2 495.3 314.7 495.9 0.11 33 51 19943 -52.5 -61.5 33 9.0 -53.4 246 21 516.8 516.9 316.2 518.0 0.19 34 50 20070 -53.7 -62.7 32 9.0 -54.5 245 21 516.9 517.0 316.2 518.0 0.17 35 44 20891 -54.1 -63.1 32 9.0 -54.9 535.2 535.3 317.3 536.4 0.18 TRP 284 8994 -61.5 -67.5 45 6.0 -61.6 325 77 303.4 303.4 282.8 303.4 0.02 WND 322 8204 -56.5 -61.9 50 5.4 -56.6 330 81 299.5 299.5 281.2 299.6 0.03 Sounding variables and indices 1000-500 mb thick: 5006.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 56.99 % Est. max temperature: -6.33 C = 20.61 F Sfc-Lift cond lev (LCL): 862.58 mb = 1348.74 m = 4424.93 ft T: -19.20 C 700-500 lapse rate: 4.85 C/km Conv cond level (CCL): 934.00 mb = 767.85 m = 2519.17 ft Mean mixing ratio: 0.55 g/kg Conv temperature: -24.84 C = -12.72 F Cap Strength: 18.19 C Lifted Index: 22.63 C Risk: None Lifted Index @300 mb: 28.69 C Lifted Index @700 mb: 13.04 C Showalter Index: 16.65 C Risk: None Total Totals Index: 31.60 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 14.00 C K Index: -11.70 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.39 J/kg Max Up Vert Vel: 11.61 m/s Conv Inhibition (B-): 41589.52 J/kg Cap Strength: 22.15 C Lift Cond Lev (LCL): 839.87 mb = 1546.92 m = 5075.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 340 at 26 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 ---------------------------------------------------------- 0 934 768 0 0 -0.0 -0.0 | 160 26 -9.0 24.3 1 925 838 10 1 -0.2 -1.0 | 159 25 -9.2 23.4 2 850 1458 205 15 6.3 13.6 | 176 38 -2.7 37.9 3 700 2890 305 23 18.8 -13.2 | 221 15 9.8 11.2 4 500 5280 315 52 36.8 -36.8 | 294 30 27.8 -12.4 5 400 6800 320 60 38.6 -46.0 | 306 37 29.6 -21.6 6 322 8204 330 81 40.5 -70.1 | 325 56 31.5 -45.8 7 300 8650 320 77 49.5 -59.0 | 311 53 40.5 -34.6 8 284 8994 325 77 44.2 -63.1 | 318 52 35.2 -38.7 9 250 9790 325 69 39.6 -56.5 | 316 44 30.6 -32.2 10 200 11190 300 48 41.6 -24.0 | 269 33 32.6 0.3 11 150 13020 285 31 29.9 -8.0 | 232 27 20.9 16.3 12 100 15620 275 35 34.9 -3.1 | 231 34 25.9 21.3 13 70 17920 270 29 29.0 -0.0 | 219 32 20.0 24.3 14 50 20070 245 21 19.0 8.9 | 197 35 10.0 33.2 Wind Parameters Mean winds (0-6000m): 309.7 at 34.6 knts Storm direction: 339.7 at 26.0 knts Shear (0-3000m) pos: 6.1 neg: 2.9 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 99.4 deg Storm rel helicity (0-3000m) pos: 283.7 neg: -40.0 tot: 243.6 m^2/s^2 ave: 81.2 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 12.5 stream: 6.5 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.51 Bulk Shear: 130.87 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 ------------------------------------------------------------------------------- 500 262 5 171 25| 0.0 11.0 11.0| 56.9 -4.4 52.6 105.1 0.55| 16.9 9.2 1000 211 10 173 33| 0.0 8.6 8.6|112.7 -40.0 72.7 72.7 0.31| 17.7 5.5 1500 229 13 181 33| 3.8 5.7 9.6|191.2 -40.0 151.1 100.8 0.43| 15.7 6.8 2000 252 15 190 29| 5.9 4.3 10.2|235.4 -40.0 195.4 97.7 0.45| 15.1 6.8 2500 272 17 198 25| 6.1 3.4 9.5|259.0 -40.0 218.9 87.6 0.49| 13.7 6.7 3000 284 19 205 22| 6.1 2.9 8.9|283.7 -40.0 243.6 81.2 0.52| 12.5 6.5 4000 298 24 224 18| 6.1 2.2 8.3|337.3 -40.0 297.2 74.3 0.56| 11.0 6.1 5000 306 30 245 17| 5.9 1.7 7.6|387.0 -40.0 347.0 69.4 0.57| 9.7 5.6 6000 310 35 263 18| 5.4 1.4 6.8|429.0 -40.0 388.9 64.8 0.58| 8.6 5.0 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251220.12.gif