UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 21 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 185 SFC 922 770 -29.5 -33.3 70 3.8 -29.7 0 0 249.4 249.4 248.7 250.1 0.25 2 850 1370 -17.5 -20.4 78 2.9 -18.0 110 9 267.8 268.0 264.8 270.3 0.89 3 849 1379 -17.5 -20.4 78 2.9 -18.0 111 9 267.9 268.0 264.9 270.4 0.89 4 832 1531 -14.7 -18.6 72 3.9 -15.5 126 11 272.4 272.6 268.3 275.4 1.06 5 762 2194 -15.3 -24.3 46 9.0 -16.9 192 17 278.7 278.8 271.6 280.8 0.70 6 715 2671 -17.7 -27.7 41 10.0 -19.3 239 21 281.2 281.3 272.8 282.9 0.55 7 700 2829 -18.7 -28.7 41 10.0 -20.2 255 23 281.8 281.9 273.1 283.4 0.51 8 696 2872 -19.1 -29.1 41 10.0 -20.5 256 23 281.8 281.9 273.1 283.3 0.49 9 666 3201 -17.1 -26.1 46 9.0 -18.7 260 25 287.6 287.7 276.5 289.7 0.68 10 577 4266 -22.9 -29.9 53 7.0 -23.9 275 30 292.9 293.0 278.9 294.7 0.55 11 500 5300 -30.7 -38.7 45 8.0 -31.4 290 36 295.6 295.7 279.8 296.5 0.27 12 400 6840 -43.9 -49.9 51 6.0 -44.1 290 44 297.9 298.0 280.6 298.3 0.10 13 398 6873 -44.1 -50.1 51 6.0 -44.3 290 44 298.1 298.1 280.7 298.5 0.10 14 373 7305 -45.9 -51.9 51 6.0 -46.1 291 44 301.3 301.3 282.0 301.6 0.08 15 307 8573 -54.1 -60.1 48 6.0 -54.2 295 44 307.1 307.1 284.2 307.2 0.04 16 300 8720 -55.5 -61.5 47 6.0 -55.6 295 44 307.1 307.1 284.2 307.2 0.03 17 257 9690 -62.5 -68.5 44 6.0 -62.6 295 50 310.7 310.7 285.6 310.7 0.01 18 250 9860 -62.3 -68.3 44 6.0 -62.4 295 50 313.4 313.4 286.6 313.5 0.02 19 222 10596 -59.9 -65.9 45 6.0 -59.9 290 62 328.0 328.0 291.2 328.1 0.02 20 200 11250 -57.7 -63.7 46 6.0 -57.8 295 58 341.4 341.4 294.7 341.5 0.04 21 170 12283 -55.9 -62.9 41 7.0 -56.1 295 56 360.6 360.6 298.8 360.8 0.05 22 150 13080 -56.9 -64.9 36 8.0 -57.1 295 54 372.0 372.1 300.9 372.2 0.04 23 100 15650 -57.7 -69.7 20 12.0 -58.0 300 48 416.2 416.3 307.3 416.4 0.03 24 86 16604 -55.3 -68.3 18 13.0 -55.8 302 47 439.4 439.4 309.8 439.7 0.05 25 73 17637 -59.1 -73.1 15 14.0 -59.5 304 46 452.5 452.5 311.1 452.6 0.03 26 70 17900 -57.9 -71.9 15 14.0 -58.3 305 46 460.5 460.5 311.8 460.7 0.03 27 65 18371 -55.9 -70.9 14 15.0 -56.5 296 44 474.8 474.8 313.1 475.0 0.04 28 50 20040 -57.1 -73.1 11 16.0 -57.8 265 36 508.9 508.9 315.6 509.2 0.04 29 45 20713 -52.5 -69.5 11 17.0 -53.8 261 35 535.7 535.7 317.3 536.1 0.07 30 40 21470 -55.1 -73.1 9 18.0 -56.2 256 35 547.5 547.5 318.0 547.8 0.05 31 35 22332 -49.9 -68.9 9 19.0 -52.0 251 34 582.4 582.4 319.8 583.1 0.10 32 32 22914 -52.9 -71.9 8 19.0 -54.6 248 33 589.4 589.5 320.2 590.0 0.07 33 30 23330 -53.3 -73.3 7 20.0 -55.1 245 33 599.3 599.4 320.6 599.8 0.06 34 24 24776 -51.5 -72.5 6 21.0 -54.0 242 29 644.1 644.1 322.5 644.8 0.09 35 24 24776 -48.3 -69.3 7 21.0 -51.6 242 29 653.4 653.4 322.9 654.5 0.14 36 23 25057 -48.7 -70.7 6 22.0 -52.0 242 28 660.2 660.2 323.1 661.2 0.12 37 22 25354 -42.9 -65.9 6 23.0 -48.1 241 27 685.9 686.0 324.0 688.0 0.25 38 21 25666 -46.3 -69.3 6 23.0 -50.6 241 26 684.8 684.9 324.0 686.2 0.16 39 20 25990 -46.7 -69.7 6 23.0 -51.0 240 25 693.2 693.3 324.3 694.6 0.16 40 18 26686 -48.7 -72.7 5 24.0 -52.7 708.1 708.2 324.7 709.1 0.11 41 17 27064 -45.3 -70.3 4 25.0 -50.6 730.7 730.8 325.4 732.3 0.17 42 10 30609 -44.9 -70.9 4 26.0 -52.3 851.9 852.1 328.5 854.8 0.27 TRP 257 9690 -62.5 -68.5 44 6.0 -62.6 295 50 310.7 310.7 285.6 310.7 0.01 WND 222 10596 -59.9 -65.9 45 6.0 -59.9 290 62 328.0 328.0 291.2 328.1 0.02 Sounding variables and indices 1000-500 mb thick: 5115.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 53.40 % Est. max temperature: -1.77 C = 28.81 F Sfc-Lift cond lev (LCL): 864.54 mb = 1244.92 m = 4084.34 ft T: -20.00 C 700-500 lapse rate: 4.86 C/km Conv cond level (CCL): 922.00 mb = 770.22 m = 2526.94 ft Mean mixing ratio: 0.69 g/kg Conv temperature: -22.32 C = -8.18 F Cap Strength: 24.78 C Lifted Index: 25.88 C Risk: None Lifted Index @300 mb: 30.44 C Lifted Index @700 mb: 16.61 C Showalter Index: 20.90 C Risk: None Total Totals Index: 23.50 C Risk: None Vertical Totals Index: 13.20 C Cross Totals Index: 10.30 C K Index: -17.20 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 5.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 85.03 J/kg Max Up Vert Vel: 13.04 m/s Conv Inhibition (B-): 73055.16 J/kg Cap Strength: 25.82 C Lift Cond Lev (LCL): 844.25 mb = 1420.89 m = 4661.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 at 20 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 | 129 20 -15.4 12.5 1 850 1370 110 9 -8.5 3.1 | 123 29 -23.9 15.6 2 700 2829 255 23 22.2 6.0 | 200 20 6.8 18.5 3 500 5300 290 36 33.8 -12.3 | 269 18 18.4 0.2 4 400 6840 290 44 41.3 -15.0 | 276 26 25.9 -2.5 5 300 8720 295 44 39.9 -18.6 | 284 25 24.5 -6.0 6 257 9690 295 50 45.3 -21.1 | 286 31 29.9 -8.6 7 250 9860 295 50 45.3 -21.1 | 286 31 29.9 -8.6 8 222 10596 290 62 58.3 -21.2 | 281 44 42.8 -8.7 9 200 11250 295 58 52.6 -24.5 | 288 39 37.1 -12.0 10 150 13080 295 54 48.9 -22.8 | 287 35 33.5 -10.3 11 100 15650 300 48 41.6 -24.0 | 294 29 26.2 -11.5 12 70 17900 305 46 37.7 -26.4 | 302 26 22.3 -13.8 13 50 20040 265 36 35.9 3.1 | 233 26 20.4 15.7 14 30 23330 245 33 29.9 13.9 | 209 30 14.5 26.5 15 20 25990 240 25 21.7 12.5 | 194 26 6.2 25.0 Wind Parameters Mean winds (0-6000m): 279.1 at 26.5 knts Storm direction: 309.1 at 19.9 knts Shear (0-3000m) pos: 4.8 neg: 0.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 353.0 neg: -22.4 tot: 330.7 m^2/s^2 ave: 110.2 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 7.7 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 0.71 Bulk Shear: 120.03 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 ------------------------------------------------------------------------------- 500 114 4 127 23| 7.7 0.0 7.7| 5.9 -22.4 -16.5 -33.0 -0.34| 10.2 -3.4 1000 124 7 128 27| 6.6 0.0 6.6| 81.2 -22.4 58.9 58.9 0.29| 11.0 3.2 1500 159 10 139 29| 6.0 0.0 6.0|198.2 -22.4 175.8 117.2 0.56| 12.2 6.8 2000 215 12 160 24| 5.8 0.0 5.8|305.1 -22.4 282.7 141.4 0.66| 13.8 9.1 2500 241 14 172 20| 5.2 0.0 5.2|332.5 -22.4 310.2 124.1 0.68| 12.2 8.3 3000 250 16 180 18| 4.8 0.0 4.8|353.0 -22.4 330.7 110.2 0.70| 10.9 7.7 4000 264 20 197 15| 4.3 0.0 4.3|396.6 -22.4 374.2 93.6 0.74| 9.4 6.9 5000 274 23 216 13| 4.0 0.0 4.0|426.1 -22.4 403.8 80.8 0.74| 8.3 6.2 6000 279 27 232 14| 3.3 0.4 3.7|435.1 -22.4 412.7 68.8 0.72| 7.3 5.3 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251221.12.gif