UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 17 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 ------------------------------------------------------------------------------- SFC 1000 0 0.0 -31.0 8 31.0 -5.8 0 0 273.1 273.2 267.4 274.0 0.29 1 850 1426 -9.3 -10.8 89 1.5 -9.7 270 5 276.4 276.7 272.3 282.0 1.97 2 848 1444 -8.9 -10.5 88 1.6 -9.4 270 5 277.0 277.4 272.7 282.7 2.02 3 803 1865 -10.9 -13.3 82 2.4 -11.6 276 13 279.2 279.5 273.5 284.1 1.71 4 791 1981 -9.5 -11.8 83 2.3 -10.2 277 15 281.9 282.3 275.4 287.6 1.95 5 787 2020 -9.5 -11.7 84 2.2 -10.2 278 15 282.3 282.7 275.7 288.1 1.98 6 727 2629 -12.3 -21.3 47 9.0 -14.3 286 26 285.8 285.9 276.0 288.7 0.96 7 722 2682 -12.5 -21.5 47 9.0 -14.5 287 27 286.1 286.3 276.2 289.0 0.95 8 700 2917 -14.5 -23.5 46 9.0 -16.3 290 31 286.4 286.6 276.1 289.0 0.82 9 559 4573 -27.7 -39.7 31 12.0 -28.8 297 49 289.9 289.9 276.9 290.6 0.22 10 523 5049 -28.1 -39.1 34 11.0 -29.2 299 54 295.0 295.0 279.4 295.8 0.25 11 500 5370 -30.3 -41.3 33 11.0 -31.2 300 58 296.1 296.1 279.9 296.8 0.21 12 409 6786 -37.7 -47.7 34 10.0 -38.2 291 63 304.1 304.1 283.2 304.5 0.13 13 400 6940 -39.7 -49.7 34 10.0 -40.2 290 64 303.4 303.4 282.9 303.8 0.10 14 300 8830 -55.5 -63.5 36 8.0 -55.6 285 81 307.1 307.1 284.2 307.2 0.02 15 298 8872 -55.9 -63.9 36 8.0 -56.0 285 81 307.1 307.1 284.2 307.2 0.02 16 296 8915 -56.7 -63.7 41 7.0 -56.8 285 81 306.6 306.6 284.1 306.7 0.02 17 261 9697 -63.3 -70.3 38 7.0 -63.3 285 86 308.1 308.1 284.7 308.2 0.01 18 250 9960 -64.8 -71.8 37 7.0 -64.8 285 87 309.7 309.7 285.2 309.7 0.01 19 248 10009 -65.1 -72.1 37 7.0 -65.1 310.0 310.0 285.3 310.0 0.01 TRP WND 250 9960 -64.8 -71.8 37 7.0 -64.8 285 87 309.7 309.7 285.2 309.7 0.01 Sounding variables and indices 1000-500 mb thick: 5370.00 m Freezing level: 1000.00 mb = 0.00 m = 0.00 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 48.62 % Est. max temperature: 3.25 C = 37.86 F Sfc-Lift cond lev (LCL): 609.59 mb = 3934.84 m = 12909.43 ft T: -22.62 C 700-500 lapse rate: 6.44 C/km ThetaE index: 0.04 C Layer 700.0- 559.0 mb Conv cond level (CCL): 595.76 mb = 4103.73 m = 13463.53 ft Mean mixing ratio: 0.93 g/kg Conv temperature: 15.83 C = 60.49 F Cap Strength: 15.42 C Lifted Index: 16.09 C Risk: None Lifted Index @300 mb: 21.41 C Lifted Index @700 mb: 10.50 C Showalter Index: 12.07 C Risk: None Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 19.50 C K Index: 1.20 Risk: None Sweat Index: 68.00 Risk: None Energy Index: 3.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 5652.83 J/kg Cap Strength: 16.05 C Lift Cond Lev (LCL): 740.85 mb = 2484.02 m = 8149.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 325 at 22 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 1014 0 0 0 -0.0 -0.0 | 145 22 -12.8 18.5 1 926 753 0 0 -0.0 -0.0 | 145 22 -12.8 18.5 2 925 775 355 1 0.1 -1.0 | 144 22 -12.7 17.5 3 850 1426 270 5 5.0 -0.0 | 157 20 -7.8 18.5 4 700 2917 290 31 29.1 -10.6 | 244 18 16.4 7.9 5 500 5370 300 58 50.2 -29.0 | 286 39 37.5 -10.5 6 400 6940 290 64 60.1 -21.9 | 274 47 47.4 -3.4 7 300 8830 285 81 78.2 -21.0 | 272 66 65.5 -2.5 8 250 9960 285 87 84.0 -22.5 | 273 71 71.3 -4.1 Wind Parameters Mean winds (0-6000m): 295.3 at 29.9 knts Storm direction: 325.3 at 22.5 knts Shear (0-3000m) pos: 4.5 neg: 1.1 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 101.4 deg Storm rel helicity (0-3000m) pos: 144.3 neg: -3.0 tot: 141.3 m^2/s^2 ave: 47.1 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 5.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 127.69 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 0 0 145 22| 0.0 0.0 0.0| 0.0 0.0 0.0 0.0 0.00| 0.0 0.0 1000 334 0 145 22| 0.0 1.2 1.2| 2.6 -3.0 -0.4 -0.4 -0.02| 1.3 -0.0 1500 279 2 148 21| 0.0 2.2 2.2| 29.5 -3.0 26.4 17.6 0.63| 2.8 1.8 2000 277 4 154 20| 2.3 1.6 3.9| 68.7 -3.0 65.6 32.8 0.79| 4.4 3.5 2500 282 7 161 18| 3.6 1.3 4.9|106.9 -3.0 103.9 41.6 0.86| 5.4 4.6 3000 287 11 170 16| 4.5 1.1 5.5|144.3 -3.0 141.3 47.1 0.88| 6.0 5.3 4000 290 17 195 13| 4.8 0.8 5.6|193.1 -3.0 190.1 47.5 0.85| 5.9 5.0 5000 293 24 226 13| 5.0 0.6 5.6|251.1 -3.0 248.0 49.6 0.80| 5.9 4.7 6000 295 30 248 15| 4.5 0.8 5.4|274.1 -37.9 236.2 39.4 0.68| 5.7 3.9 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251217.12.gif