UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 6 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 150 SFC 922 770 -12.5 -14.6 84 2.1 -13.0 0 0 266.8 267.0 265.0 270.5 1.33 2 914 836 -12.9 -15.4 81 2.5 -13.5 357 2 267.0 267.2 265.0 270.5 1.26 3 894 1006 -8.7 -10.5 87 1.8 -9.2 349 7 273.1 273.4 270.2 278.4 1.92 4 850 1395 -11.3 -14.1 80 2.8 -12.0 330 19 274.3 274.6 270.3 278.6 1.51 5 700 2860 -20.5 -24.0 73 3.5 -21.1 325 15 279.8 279.9 272.4 282.1 0.78 6 648 3424 -24.9 -27.9 76 3.0 -25.3 322 15 281.0 281.1 272.8 282.9 0.59 7 500 5240 -41.5 -44.7 71 3.2 -41.6 310 15 282.4 282.5 272.8 282.9 0.14 8 417 6449 -52.7 -56.0 67 3.3 -52.8 306 26 283.1 283.1 273.1 283.3 0.05 9 405 6639 -51.7 -55.0 68 3.3 -51.8 305 28 286.8 286.8 275.0 287.0 0.05 10 400 6720 -51.9 -55.1 68 3.2 -52.0 305 29 287.5 287.5 275.5 287.7 0.05 11 367 7273 -55.9 -59.3 66 3.4 -55.9 305 36 289.4 289.4 276.4 289.5 0.04 12 366 7290 -55.9 -59.3 66 3.4 -55.9 305 36 289.6 289.6 276.5 289.7 0.04 13 300 8550 -57.9 -61.7 62 3.8 -57.9 285 31 303.7 303.7 283.0 303.8 0.03 14 295 8656 -58.1 -61.9 62 3.8 -58.2 285 33 304.9 304.9 283.4 305.0 0.03 15 250 9710 -54.9 -59.0 60 4.1 -55.0 280 48 324.4 324.5 290.2 324.7 0.05 16 216 10644 -52.9 -57.6 57 4.7 -53.1 280 48 341.4 341.4 294.7 341.7 0.07 17 200 11140 -51.7 -56.7 55 5.0 -51.9 280 48 350.9 350.9 296.9 351.3 0.09 18 190 11474 -50.9 -56.9 49 6.0 -51.1 282 48 357.4 357.4 298.2 357.8 0.09 19 162 12503 -55.1 -62.1 42 7.0 -55.3 287 48 367.0 367.0 300.1 367.2 0.06 20 150 13000 -51.1 -59.1 38 8.0 -51.4 290 48 382.0 382.0 302.6 382.4 0.09 21 147 13132 -49.5 -58.5 34 9.0 -50.0 289 48 387.0 387.0 303.4 387.5 0.10 22 110 15001 -57.1 -68.1 24 11.0 -57.4 279 53 406.2 406.2 306.0 406.4 0.04 23 100 15610 -53.3 -65.3 22 12.0 -53.8 275 54 424.7 424.8 308.3 425.1 0.06 24 87 16504 -54.9 -67.9 19 13.0 -55.4 275 47 438.8 438.8 309.8 439.0 0.05 25 80 17045 -51.9 -65.9 17 14.0 -52.7 275 42 455.6 455.6 311.4 456.0 0.07 26 70 17900 -57.5 -71.5 15 14.0 -58.0 275 35 461.4 461.4 311.9 461.6 0.04 27 65 18366 -59.5 -73.5 15 14.0 -59.9 466.9 466.9 312.4 467.0 0.03 TRP 366 7290 -55.9 -59.3 66 3.4 -55.9 305 36 289.6 289.6 276.5 289.7 0.04 WND Sounding variables and indices 1000-500 mb thick: 5090.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 75.98 % Est. max temperature: -2.46 C = 27.58 F Sfc-Lift cond lev (LCL): 891.20 mb = 1030.30 m = 3380.22 ft T: -8.86 C 700-500 lapse rate: 8.82 C/km ThetaE index: 0.00 C Layer 922.0--18801214401986945146159104.0 mb Conv cond level (CCL): 919.75 mb = 788.37 m = 2586.49 ft Mean mixing ratio: 1.58 g/kg Conv temperature: -12.43 C = 9.63 F Cap Strength: 4.73 C Lifted Index: 4.59 C Risk: None Lifted Index @300 mb: 18.78 C Lifted Index @700 mb: 4.27 C Showalter Index: 3.54 C Risk: None Total Totals Index: 57.60 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.20 C Cross Totals Index: 27.40 C K Index: 12.60 Risk: None Sweat Index: 225.00 Risk: None Energy Index: 0.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.36 J/kg Max Up Vert Vel: 7.92 m/s Conv Inhibition (B-): 26901.13 J/kg Cap Strength: 4.73 C Lift Cond Lev (LCL): 838.46 mb = 1498.15 m = 4915.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 347 at 13 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 ---------------------------------------------------------- 0 922 770 0 0 -0.0 -0.0 | 167 13 -2.9 12.3 1 850 1395 330 19 9.5 -16.5 | 302 8 6.6 -4.1 2 700 2860 325 15 8.6 -12.3 | 269 6 5.7 0.1 3 500 5240 310 15 11.5 -9.6 | 253 9 8.6 2.7 4 400 6720 305 29 23.8 -16.6 | 282 21 20.8 -4.3 5 366 7290 305 36 29.5 -20.6 | 287 28 26.6 -8.3 6 300 8550 285 31 29.9 -8.0 | 261 27 27.0 4.3 7 250 9710 280 48 47.3 -8.3 | 265 45 44.3 4.0 8 200 11140 280 48 47.3 -8.3 | 265 45 44.3 4.0 9 150 13000 290 48 45.1 -16.4 | 276 42 42.2 -4.1 10 100 15610 275 54 53.8 -4.7 | 261 51 50.9 7.6 11 70 17900 275 35 34.9 -3.1 | 254 33 31.9 9.3 Wind Parameters Mean winds (0-6000m): 316.6 at 16.9 knts Storm direction: 346.6 at 12.7 knts Shear (0-3000m) pos: 0.0 neg: 2.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 95.3 deg Storm rel helicity (0-3000m) pos: 3.7 neg: -9.4 tot: -5.7 m^2/s^2 ave: -1.9 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.53 Bulk Shear: 12.38 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 ------------------------------------------------------------------------------- 500 328 8 190 6| 0.0 15.6 15.6| 3.0 -1.7 1.2 2.5 0.33| 16.7 5.5 1000 330 13 249 4| 0.0 9.2 9.2| 3.7 -3.4 0.3 0.3 0.24| 10.9 2.6 1500 329 14 269 4| 0.0 5.7 5.7| 3.7 -5.6 -1.9 -1.2 0.17| 7.8 1.3 2000 328 15 273 5| 0.0 3.9 3.9| 3.7 -7.7 -4.0 -2.0 0.11| 6.2 0.7 2500 328 15 272 5| 0.0 3.1 3.1| 3.7 -8.7 -4.9 -2.0 0.08| 5.1 0.4 3000 326 15 270 5| 0.0 2.6 2.6| 3.7 -9.4 -5.7 -1.9 0.06| 4.4 0.3 4000 324 15 267 6| 0.0 1.9 1.9| 3.7 -11.2 -7.5 -1.9 0.02| 3.5 0.1 5000 321 15 265 7| 0.0 2.1 2.1| 12.7 -12.0 0.7 0.1 0.10| 3.4 0.4 6000 317 17 270 9| 0.0 2.5 2.5| 28.0 -12.0 16.0 2.7 0.16| 3.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251206.12.gif