UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 2 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 290 SFC 937 766 -25.5 -28.3 77 2.8 -25.8 0 0 252.3 252.4 251.6 253.4 0.40 2 925 861 -24.3 -27.1 78 2.8 -24.6 340 1 254.5 254.5 253.5 255.7 0.45 3 902 1046 -20.7 -23.5 78 2.8 -21.1 310 5 260.0 260.1 258.5 261.8 0.64 4 879 1236 -21.9 -25.0 76 3.1 -22.3 280 8 260.7 260.8 258.9 262.3 0.57 5 850 1483 -21.9 -26.4 67 4.5 -22.5 240 13 263.2 263.3 260.7 264.7 0.52 6 816 1784 -20.3 -26.3 59 6.0 -21.1 258 15 268.0 268.1 264.3 269.6 0.55 7 700 2916 -22.1 -43.1 13 21.0 -23.9 325 21 278.0 278.0 270.2 278.4 0.12 8 685 3075 -22.1 -46.1 9 24.0 -24.0 327 23 279.7 279.8 271.2 280.0 0.09 9 678 3151 -22.5 -46.5 9 24.0 -24.4 328 24 280.1 280.1 271.4 280.4 0.09 10 570 4408 -29.3 -51.3 10 22.0 -30.5 343 41 286.4 286.4 274.9 286.6 0.06 11 527 4967 -30.3 -55.3 7 25.0 -31.6 350 49 291.7 291.7 277.6 291.8 0.04 12 500 5340 -32.5 -54.5 9 22.0 -33.6 355 54 293.4 293.4 278.4 293.6 0.05 13 459 5934 -37.5 -55.5 14 18.0 -38.2 355 59 294.4 294.4 278.9 294.6 0.04 14 414 6638 -40.7 -57.7 14 17.0 -41.2 355 66 299.1 299.1 281.0 299.3 0.04 15 400 6870 -43.5 -59.5 15 16.0 -43.9 355 68 298.5 298.5 280.7 298.6 0.03 16 360 7570 -49.9 -63.9 18 14.0 -50.1 353 72 299.0 299.0 280.9 299.1 0.02 17 330 8135 -53.1 -66.1 19 13.0 -53.3 352 75 302.2 302.2 282.3 302.2 0.02 18 313 8473 -57.7 -69.7 20 12.0 -57.8 351 77 300.3 300.3 281.5 300.4 0.01 19 300 8740 -59.1 -71.1 20 12.0 -59.2 350 79 302.0 302.0 282.2 302.1 0.01 20 266 9490 -63.8 -75.8 18 12.0 -63.8 350 85 305.8 305.8 283.7 305.8 0.00 21 252 9821 -65.9 -77.9 17 12.0 -66.0 350 83 307.4 307.4 284.3 307.4 0.00 22 250 9870 -65.9 -77.9 17 12.0 -66.0 350 83 308.1 308.1 284.6 308.1 0.00 23 240 10120 -63.3 -75.3 18 12.0 -63.4 347 80 315.6 315.6 287.3 315.6 0.01 24 221 10624 -65.7 -77.7 17 12.0 -65.8 342 74 319.5 319.5 288.6 319.5 0.00 25 214 10821 -62.3 -74.3 19 12.0 -62.4 340 71 327.7 327.7 291.0 327.7 0.01 26 200 11240 -61.5 -73.5 19 12.0 -61.6 335 66 335.4 335.4 293.2 335.4 0.01 27 164 12475 -57.5 -69.5 20 12.0 -57.7 328 63 361.7 361.7 299.0 361.8 0.02 28 154 12867 -61.1 -73.1 19 12.0 -61.2 326 62 362.1 362.1 299.1 362.1 0.01 29 150 13030 -59.9 -71.9 19 12.0 -60.1 325 62 366.9 366.9 300.0 367.0 0.02 30 100 15550 -63.3 -76.3 16 13.0 -63.5 315 66 405.4 405.4 305.9 405.5 0.01 31 70 17730 -65.9 -79.9 12 14.0 -66.1 305 62 443.4 443.4 310.2 443.5 0.01 32 50 19760 -67.9 -81.9 12 14.0 -68.1 295 66 483.5 483.5 313.7 483.5 0.01 33 44 20526 -69.3 -83.3 11 14.0 -69.5 498.1 498.1 314.8 498.1 0.01 34 32 22454 -63.5 -78.5 11 15.0 -64.0 561.1 561.1 318.7 561.3 0.03 TRP 252 9821 -65.9 -77.9 17 12.0 -66.0 350 83 307.4 307.4 284.3 307.4 0.00 WND 266 9490 -63.8 -75.8 18 12.0 -63.8 350 85 305.8 305.8 283.7 305.8 0.00 Sounding variables and indices 1000-500 mb thick: 5050.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 29.49 % Est. max temperature: -7.81 C = 17.94 F Sfc-Lift cond lev (LCL): 894.12 mb = 1110.50 m = 3643.33 ft T: -21.11 C 700-500 lapse rate: 4.29 C/km Conv cond level (CCL): 937.00 mb = 766.43 m = 2514.52 ft Mean mixing ratio: 0.54 g/kg Conv temperature: -24.89 C = -12.80 F Cap Strength: 25.34 C Lifted Index: 26.37 C Risk: None Lifted Index @300 mb: 28.83 C Lifted Index @700 mb: 15.61 C Showalter Index: 23.67 C Risk: None Total Totals Index: 16.70 C Risk: None Vertical Totals Index: 10.60 C Cross Totals Index: 6.10 C K Index: -36.80 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 6.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.11 J/kg Max Up Vert Vel: 9.18 m/s Conv Inhibition (B-): 43794.84 J/kg Cap Strength: 26.06 C Lift Cond Lev (LCL): 837.97 mb = 1588.25 m = 5210.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 15 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 ---------------------------------------------------------- 0 937 766 0 0 -0.0 -0.0 | 195 26 6.8 25.2 1 925 861 340 1 0.3 -0.9 | 196 25 7.2 24.2 2 850 1483 240 13 11.3 6.5 | 210 36 18.1 31.7 3 700 2916 325 21 12.0 -17.2 | 247 20 18.9 8.0 4 500 5340 355 54 4.7 -53.8 | 338 31 11.5 -28.6 5 400 6870 355 68 5.9 -67.7 | 343 44 12.8 -42.6 6 300 8740 350 79 13.7 -77.8 | 339 57 20.5 -52.6 7 266 9490 350 85 14.8 -83.7 | 340 62 21.6 -58.5 8 252 9821 350 83 14.4 -81.7 | 339 60 21.2 -56.6 9 250 9870 350 83 14.4 -81.7 | 339 60 21.2 -56.6 10 200 11240 335 66 27.9 -59.8 | 315 49 34.7 -34.7 11 150 13030 325 62 35.6 -50.8 | 301 50 42.4 -25.6 12 100 15550 315 66 46.7 -46.7 | 292 58 53.5 -21.5 13 70 17730 305 62 50.8 -35.6 | 280 59 57.6 -10.4 14 50 19760 295 66 59.8 -27.9 | 272 67 66.6 -2.7 Wind Parameters Mean winds (0-6000m): 345.2 at 34.8 knts Storm direction: 15.2 at 26.1 knts Shear (0-3000m) pos: 5.7 neg: 2.5 tot: 8.2 10-3/s Storm rel Dir Shear (0-3000m): 87.3 deg Storm rel helicity (0-3000m) pos: 279.2 neg: -12.3 tot: 266.9 m^2/s^2 ave: 89.0 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 6.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.29 Bulk Shear: 145.39 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 ------------------------------------------------------------------------------- 500 282 4 204 27| 0.0 9.1 9.1| 51.6 0.0 51.6 103.1 0.72| 11.1 7.9 1000 247 8 207 32| 0.0 7.5 7.5| 88.2 -12.3 75.8 75.8 0.46| 11.3 5.2 1500 261 11 213 32| 3.0 5.0 8.0|154.5 -12.3 142.1 94.7 0.58| 10.5 6.1 2000 280 13 220 30| 4.6 3.8 8.3|202.2 -12.3 189.8 94.9 0.59| 10.5 6.2 2500 297 15 227 27| 5.3 3.0 8.3|238.9 -12.3 226.6 90.6 0.63| 10.1 6.4 3000 309 17 234 25| 5.7 2.5 8.2|279.2 -12.3 266.9 89.0 0.68| 9.7 6.6 4000 327 23 252 20| 6.3 1.9 8.1|371.4 -12.3 359.0 89.8 0.74| 9.3 6.9 5000 340 29 276 17| 6.3 1.5 7.8|445.6 -12.3 433.3 86.7 0.73| 8.9 6.5 6000 345 35 298 18| 5.3 1.4 6.7|467.4 -12.3 455.1 75.8 0.68| 8.2 5.6 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251202.12.gif