UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:0000Z 25 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 305 SFC 937 770 -31.5 -36.1 64 4.6 -31.7 0 0 246.2 246.2 245.6 246.7 0.19 2 925 862 -30.3 -34.1 69 3.8 -30.5 40 5 248.3 248.4 247.7 249.0 0.23 3 896 1091 -27.1 -30.8 71 3.7 -27.4 108 7 253.9 254.0 252.8 254.8 0.33 4 887 1164 -24.5 -28.1 72 3.6 -24.9 129 8 257.3 257.4 255.9 258.5 0.43 5 859 1400 -21.3 -24.1 78 2.8 -21.7 198 10 263.0 263.1 260.9 264.8 0.63 6 850 1478 -19.1 -22.0 78 2.9 -19.6 220 11 266.1 266.3 263.4 268.3 0.77 7 848 1496 -18.5 -21.3 79 2.8 -19.0 221 11 266.9 267.1 264.1 269.3 0.82 8 824 1710 -16.5 -19.6 77 3.1 -17.1 237 13 271.3 271.4 267.4 274.1 0.98 9 788 2046 -16.5 -20.5 71 4.0 -17.3 261 16 274.7 274.9 269.6 277.5 0.95 10 748 2435 -20.1 -23.4 75 3.3 -20.6 289 20 275.0 275.1 269.4 277.2 0.77 11 702 2905 -20.1 -22.8 79 2.7 -20.6 323 25 280.0 280.1 272.6 282.6 0.87 12 700 2926 -20.3 -23.0 79 2.7 -20.8 325 25 280.0 280.2 272.6 282.6 0.86 13 658 3384 -20.9 -24.1 75 3.2 -21.4 326 29 284.3 284.5 275.0 286.8 0.83 14 522 5072 -27.9 -32.8 63 4.9 -28.5 329 45 295.4 295.4 280.0 296.9 0.46 15 500 5380 -30.1 -34.9 63 4.8 -30.6 330 48 296.3 296.4 280.3 297.6 0.39 16 430 6442 -35.9 -40.8 61 4.9 -36.3 327 60 302.0 302.1 282.5 302.9 0.25 17 412 6737 -38.9 -43.9 59 5.0 -39.2 326 64 301.9 301.9 282.4 302.5 0.19 18 400 6940 -39.9 -44.9 59 5.0 -40.2 325 66 303.1 303.2 282.9 303.8 0.17 19 369 7485 -41.7 -47.7 52 6.0 -42.0 326 72 307.8 307.8 284.7 308.3 0.14 20 316 8513 -49.1 -55.1 50 6.0 -49.3 329 85 311.5 311.5 285.9 311.7 0.07 21 300 8850 -52.4 -58.4 48 6.0 -52.5 330 89 311.5 311.5 285.9 311.7 0.05 22 274 9432 -58.1 -64.1 46 6.0 -58.2 328 88 311.4 311.4 285.9 311.5 0.03 23 250 10010 -59.7 -65.7 45 6.0 -59.7 325 87 317.3 317.3 287.9 317.4 0.02 24 218 10856 -63.1 -69.1 44 6.0 -63.1 325 86 324.7 324.7 290.2 324.8 0.02 25 200 11380 -66.1 -72.1 43 6.0 -66.1 325 85 328.1 328.1 291.2 328.1 0.01 26 197 11471 -66.9 -72.9 42 6.0 -67.0 330 85 328.2 328.2 291.2 328.3 0.01 27 158 12833 -57.9 -63.9 46 6.0 -58.0 322 71 364.9 364.9 299.7 365.1 0.04 28 150 13160 -58.5 -64.5 46 6.0 -58.6 320 68 369.3 369.3 300.5 369.5 0.04 29 100 15700 -59.9 -67.9 34 8.0 -60.1 325 64 412.0 412.0 306.8 412.2 0.04 30 74 17575 -62.5 -72.5 25 10.0 -62.7 312 67 443.6 443.6 310.3 443.7 0.03 31 70 17920 -61.5 -71.5 25 10.0 -61.7 310 68 452.8 452.8 311.1 453.0 0.04 32 60 18878 -58.5 -69.5 23 11.0 -58.9 303 70 479.9 479.9 313.5 480.3 0.05 33 50 20020 -58.7 -69.7 23 11.0 -59.2 295 73 505.2 505.2 315.4 505.6 0.06 34 49 20147 -58.7 -70.7 20 12.0 -59.3 294 72 508.1 508.1 315.5 508.4 0.06 35 39 21604 -52.5 -66.5 17 14.0 -53.9 285 62 558.0 558.1 318.6 558.9 0.13 36 30 23310 -50.5 -68.5 10 18.0 -52.7 275 50 607.0 607.0 321.0 607.9 0.13 37 27 24001 -48.1 -67.1 9 19.0 -51.1 632.3 632.3 322.0 633.6 0.17 TRP 197 11471 -66.9 -72.9 42 6.0 -67.0 330 85 328.2 328.2 291.2 328.3 0.01 WND 300 8850 -52.4 -58.4 48 6.0 -52.5 330 89 311.5 311.5 285.9 311.7 0.05 Sounding variables and indices 1000-500 mb thick: 5075.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 71.91 % Est. max temperature: -3.46 C = 25.77 F Sfc-Lift cond lev (LCL): 866.29 mb = 1337.63 m = 4388.50 ft T: -22.14 C 700-500 lapse rate: 3.99 C/km ThetaE index: 0.27 C Layer 748.0- 702.0 mb Conv cond level (CCL): 937.00 mb = 769.75 m = 2525.39 ft Mean mixing ratio: 0.47 g/kg Conv temperature: -26.48 C = -15.67 F Cap Strength: 30.67 C Lifted Index: 31.11 C Risk: None Lifted Index @300 mb: 37.60 C Lifted Index @700 mb: 19.88 C Showalter Index: 23.14 C Risk: None Total Totals Index: 19.10 C Risk: None Vertical Totals Index: 11.00 C Cross Totals Index: 8.10 C K Index: -13.70 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 6.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 94.92 J/kg Max Up Vert Vel: 13.78 m/s Conv Inhibition (B-): 53340.23 J/kg Cap Strength: 31.07 C Lift Cond Lev (LCL): 851.66 mb = 1463.51 m = 4801.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 355 at 25 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 ---------------------------------------------------------- 0 937 770 0 0 -0.0 -0.0 | 175 25 -2.2 24.9 1 925 862 40 5 -3.2 -3.8 | 165 22 -5.5 21.1 2 850 1478 220 11 7.1 8.4 | 188 34 4.8 33.3 3 700 2926 325 25 14.3 -20.5 | 250 13 12.1 4.4 4 500 5380 330 48 24.0 -41.6 | 307 27 21.8 -16.7 5 400 6940 325 66 37.9 -54.1 | 309 46 35.6 -29.2 6 300 8850 330 89 44.5 -77.1 | 321 67 42.3 -52.2 7 250 10010 325 87 49.9 -71.3 | 314 66 47.7 -46.4 8 200 11380 325 85 48.8 -69.6 | 314 65 46.5 -44.7 9 197 11471 330 85 42.5 -73.6 | 320 63 40.3 -48.7 10 150 13160 320 68 43.7 -52.1 | 303 50 41.5 -27.2 11 100 15700 325 64 36.7 -52.4 | 309 44 34.5 -27.5 12 70 17920 310 68 52.1 -43.7 | 291 53 49.8 -18.8 13 50 20020 295 73 66.2 -30.9 | 275 64 63.9 -6.0 14 30 23310 275 50 49.8 -4.4 | 247 52 47.6 20.5 Wind Parameters Mean winds (0-6000m): 324.8 at 33.3 knts Storm direction: 354.8 at 25.0 knts Shear (0-3000m) pos: 5.6 neg: 0.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 104.5 deg Storm rel helicity (0-3000m) pos: 362.1 neg: -35.2 tot: 326.9 m^2/s^2 ave: 109.0 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 12.7 stream: 7.7 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 0.47 Bulk Shear: 199.88 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 ------------------------------------------------------------------------------- 500 117 6 164 29| 9.2 0.0 9.2| 45.2 -35.2 9.9 19.9 -0.01| 20.3 -0.3 1000 228 9 188 31| 7.1 0.0 7.1|186.9 -35.2 151.7 151.7 0.43| 18.4 8.0 1500 252 11 196 30| 6.4 0.0 6.4|268.0 -35.2 232.7 155.2 0.54| 16.2 8.7 2000 283 14 207 25| 6.0 0.0 6.0|324.2 -35.2 289.0 144.5 0.57| 15.8 8.9 2500 304 16 214 19| 5.8 0.0 5.8|346.0 -35.2 310.8 124.3 0.58| 14.3 8.4 3000 312 18 222 17| 5.6 0.0 5.6|362.1 -35.2 326.9 109.0 0.60| 12.7 7.7 4000 320 23 240 15| 5.4 0.0 5.4|395.9 -35.2 360.6 90.2 0.62| 10.8 6.6 5000 324 28 261 14| 4.8 0.6 5.4|422.8 -35.2 387.5 77.5 0.59| 9.7 5.7 6000 325 33 278 17| 4.0 1.5 5.5|427.1 -35.5 391.7 65.3 0.53| 9.1 4.8 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251225.00.gif