UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 26 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 224 SFC 928 766 -28.1 -31.3 74 3.2 -28.3 0 0 250.3 250.4 249.6 251.2 0.30 2 925 790 -27.1 -30.2 75 3.1 -27.3 355 1 251.6 251.6 250.8 252.5 0.34 3 886 1107 -19.3 -22.4 76 3.1 -19.8 289 8 262.8 262.9 260.8 264.8 0.71 4 872 1226 -17.9 -20.9 77 3.0 -18.4 264 11 265.4 265.6 263.0 267.8 0.83 5 850 1421 -11.1 -14.3 77 3.2 -11.9 225 15 274.5 274.8 270.4 278.7 1.48 6 848 1439 -10.5 -13.8 77 3.3 -11.3 226 15 275.3 275.6 271.0 279.7 1.55 7 800 1888 -7.9 -15.9 53 8.0 -10.1 245 16 282.7 283.0 275.0 286.8 1.38 8 711 2789 -15.1 -23.1 50 8.0 -16.7 285 19 284.5 284.6 275.1 287.0 0.84 9 700 2907 -15.1 -22.1 55 7.0 -16.6 290 19 285.8 285.9 275.9 288.6 0.93 10 654 3420 -14.9 -24.9 42 10.0 -16.9 295 22 291.6 291.7 278.6 294.0 0.77 11 567 4482 -22.5 -36.5 27 14.0 -24.2 306 30 294.8 294.9 279.4 295.8 0.30 12 500 5390 -29.7 -38.7 41 9.0 -30.6 315 36 296.8 296.9 280.3 297.7 0.27 13 464 5918 -33.7 -41.7 44 8.0 -34.3 313 40 298.3 298.3 280.9 299.0 0.21 14 400 6940 -42.5 -49.5 46 7.0 -42.8 310 48 299.8 299.8 281.4 300.1 0.10 15 387 7162 -44.7 -51.7 45 7.0 -44.9 310 48 299.7 299.7 281.3 300.0 0.08 16 338 8057 -50.7 -57.7 43 7.0 -50.8 310 50 303.4 303.4 282.8 303.5 0.05 17 324 8333 -50.9 -57.9 43 7.0 -51.1 310 51 306.8 306.8 284.2 307.0 0.05 18 300 8830 -54.7 -60.7 47 6.0 -54.8 310 52 308.2 308.3 284.7 308.4 0.04 19 296 8916 -55.5 -61.5 47 6.0 -55.6 310 52 308.3 308.3 284.7 308.4 0.03 20 281 9247 -57.9 -63.9 46 6.0 -58.0 310 54 309.5 309.5 285.1 309.6 0.03 21 250 9980 -61.5 -67.5 45 6.0 -61.6 310 58 314.6 314.6 287.0 314.7 0.02 22 217 10850 -65.9 -71.9 43 6.0 -66.0 310 62 320.8 320.8 289.0 320.9 0.01 23 214 10935 -65.9 -71.9 43 6.0 -66.0 309 61 322.1 322.1 289.4 322.1 0.01 24 200 11350 -62.5 -68.5 44 6.0 -62.6 305 58 333.8 333.8 292.7 333.9 0.02 25 169 12389 -61.7 -67.7 45 6.0 -61.8 293 62 351.6 351.6 297.0 351.7 0.03 26 150 13130 -59.2 -66.1 41 6.9 -59.3 285 64 368.1 368.1 300.2 368.2 0.04 27 112 14982 -53.1 -62.1 33 9.0 -53.5 281 61 411.6 411.6 306.7 412.0 0.08 28 100 15710 -53.9 -63.9 28 10.0 -54.4 280 60 423.6 423.6 308.2 424.0 0.07 29 70 18000 -53.3 -67.3 17 14.0 -54.1 265 46 470.4 470.4 312.7 470.7 0.06 30 50 20180 -52.5 -69.5 11 17.0 -53.7 275 48 519.8 519.8 316.3 520.2 0.07 31 46 20719 -52.7 -70.7 10 18.0 -53.9 275 47 531.8 531.8 317.1 532.2 0.06 32 43 21156 -50.5 -69.5 9 19.0 -52.2 275 46 547.6 547.6 318.0 548.1 0.08 33 33 22866 -54.7 -74.7 7 20.0 -56.1 275 43 579.5 579.5 319.6 579.8 0.05 34 30 23480 -52.1 -73.1 6 21.0 -54.1 275 42 602.6 602.6 320.7 603.1 0.06 35 25 24664 -51.3 -73.3 6 22.0 -53.8 266 31 637.2 637.2 322.2 637.8 0.08 36 22 25508 -45.1 -69.1 5 24.0 -49.7 260 23 679.4 679.4 323.8 680.7 0.16 37 20 26140 -48.7 -72.7 5 24.0 -52.4 255 17 687.1 687.2 324.0 688.0 0.10 38 18 26829 -51.1 -75.1 4 24.0 -54.4 700.6 700.6 324.5 701.2 0.08 39 15 28021 -48.9 -73.9 4 25.0 -53.4 745.4 745.4 325.8 746.4 0.12 TRP 217 10850 -65.9 -71.9 43 6.0 -66.0 310 62 320.8 320.8 289.0 320.9 0.01 WND 150 13130 -59.2 -66.1 41 6.9 -59.3 285 64 368.1 368.1 300.2 368.2 0.04 Sounding variables and indices 1000-500 mb thick: 5166.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 48.61 % Est. max temperature: 4.03 C = 39.25 F Sfc-Lift cond lev (LCL): 879.28 mb = 1164.18 m = 3819.44 ft T: -18.63 C 700-500 lapse rate: 5.88 C/km Conv cond level (CCL): 928.00 mb = 766.46 m = 2514.59 ft Mean mixing ratio: 0.92 g/kg Conv temperature: -18.93 C = -2.08 F Cap Strength: 23.18 C Lifted Index: 23.86 C Risk: None Lifted Index @300 mb: 28.60 C Lifted Index @700 mb: 17.11 C Showalter Index: 15.22 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 15.40 C K Index: -2.70 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 4.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 117.27 J/kg Max Up Vert Vel: 15.31 m/s Conv Inhibition (B-): 64854.44 J/kg Cap Strength: 23.77 C Lift Cond Lev (LCL): 848.76 mb = 1432.17 m = 4698.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 331 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 ---------------------------------------------------------- 0 928 766 0 0 -0.0 -0.0 | 151 20 -9.4 17.2 1 925 790 355 1 0.1 -1.0 | 150 19 -9.3 16.2 2 850 1421 225 15 10.6 10.6 | 182 28 1.2 27.8 3 700 2907 290 19 17.9 -6.5 | 218 14 8.4 10.7 4 500 5390 315 36 25.5 -25.5 | 297 18 16.0 -8.2 5 400 6940 310 48 36.8 -30.9 | 296 31 27.4 -13.6 6 300 8830 310 52 39.8 -33.4 | 298 34 30.4 -16.2 7 250 9980 310 58 44.4 -37.3 | 300 40 35.0 -20.0 8 217 10850 310 62 47.5 -39.9 | 301 44 38.1 -22.6 9 200 11350 305 58 47.5 -33.3 | 293 41 38.1 -16.0 10 150 13130 285 64 61.8 -16.6 | 269 52 52.4 0.7 11 100 15710 280 60 59.1 -10.4 | 262 50 49.7 6.8 12 70 18000 265 46 45.8 4.0 | 240 42 36.4 21.2 13 50 20180 275 48 47.8 -4.2 | 251 41 38.4 13.1 14 30 23480 275 42 41.8 -3.7 | 247 35 32.4 13.6 15 20 26140 255 17 16.4 4.4 | 198 23 7.0 21.6 Wind Parameters Mean winds (0-6000m): 301.4 at 26.2 knts Storm direction: 331.4 at 19.6 knts Shear (0-3000m) pos: 3.7 neg: 2.7 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 95.5 deg Storm rel helicity (0-3000m) pos: 137.2 neg: -7.5 tot: 129.7 m^2/s^2 ave: 43.2 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 4.8 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 1.85 Bulk Shear: 63.29 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 6 169 18| 0.0 11.9 11.9| 39.1 -1.9 37.2 74.3 0.56| 16.8 9.4 1000 231 10 176 24| 0.0 8.2 8.2| 60.3 -7.5 52.8 52.8 0.41| 14.3 5.8 1500 240 12 183 23| 2.2 5.5 7.7| 89.4 -7.5 81.9 54.6 0.47| 11.7 5.5 2000 252 14 190 22| 3.4 4.1 7.5|109.3 -7.5 101.8 50.9 0.49| 10.6 5.2 2500 263 15 196 20| 3.6 3.3 6.9|123.1 -7.5 115.6 46.3 0.52| 9.4 4.9 3000 272 16 202 18| 3.7 2.7 6.4|137.2 -7.5 129.7 43.2 0.56| 8.6 4.8 4000 286 19 217 15| 3.8 2.0 5.9|168.2 -7.5 160.8 40.2 0.62| 7.5 4.6 5000 296 23 236 13| 3.9 1.6 5.5|191.3 -7.5 183.8 36.8 0.62| 6.9 4.2 6000 301 26 254 13| 3.2 1.9 5.1|191.3 -9.8 181.5 30.2 0.54| 6.4 3.5 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251226.12.gif