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 X4172... Searching the city database file for: X4172 ... Date:1200Z 6 DEC 25 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1009 167 2.6 -1.5 74 4.1 1.0 270 9 275.0 275.6 273.6 284.3 3.39 1 1000 239 1.4 -2.7 74 4.1 -0.2 285 9 274.5 275.1 272.9 283.1 3.13 2 952 632 -2.1 -6.1 74 4.0 -3.5 332 8 274.9 275.3 272.3 281.9 2.54 3 937 759 -1.7 -6.5 70 4.8 -3.4 348 7 276.5 277.0 273.2 283.5 2.50 4 925 861 -2.5 -8.5 63 6.0 -4.5 360 7 276.8 277.1 272.8 282.9 2.17 5 850 1525 -7.9 -11.4 76 3.5 -8.9 5 7 277.9 278.2 273.0 283.2 1.88 6 844 1580 -8.5 -11.7 78 3.2 -9.4 2 7 277.8 278.1 272.9 283.1 1.85 7 808 1917 -9.7 -12.3 81 2.6 -10.5 345 8 280.0 280.3 274.2 285.3 1.84 8 791 2082 -7.1 -9.4 84 2.3 -7.9 337 8 284.5 284.9 277.3 291.4 2.37 9 700 3028 -10.5 -19.5 48 9.0 -12.8 290 11 290.9 291.1 278.8 294.4 1.16 10 696 3072 -10.7 -19.7 48 9.0 -12.9 291 11 291.1 291.3 278.9 294.7 1.15 11 668 3387 -12.5 -19.5 56 7.0 -14.2 294 10 292.5 292.7 279.7 296.3 1.22 12 533 5069 -24.9 -29.6 65 4.7 -25.6 314 6 297.2 297.3 281.0 299.2 0.62 13 500 5530 -28.3 -35.3 51 7.0 -29.1 320 5 298.5 298.6 281.3 299.8 0.38 14 400 7090 -40.9 -50.9 33 10.0 -41.3 260 7 301.8 301.8 282.3 302.2 0.09 15 395 7175 -41.7 -51.7 33 10.0 -42.1 260 7 301.9 301.9 282.3 302.2 0.08 16 378 7471 -43.9 -53.9 32 10.0 -44.2 260 7 302.8 302.8 282.6 303.0 0.07 17 350 7983 -46.7 -54.7 40 8.0 -46.9 260 7 305.8 305.8 283.8 306.0 0.06 18 300 8990 -52.5 -60.5 37 8.0 -52.7 260 7 311.3 311.4 285.8 311.5 0.04 19 288 9252 -54.5 -62.5 37 8.0 -54.6 270 8 312.1 312.2 286.1 312.3 0.03 20 250 10150 -56.5 -65.5 31 9.0 -56.6 305 13 322.1 322.1 289.4 322.2 0.02 21 242 10357 -57.7 -66.7 31 9.0 -57.8 315 15 323.3 323.3 289.8 323.4 0.02 22 200 11560 -59.5 -69.5 26 10.0 -59.6 325 17 338.5 338.5 294.0 338.6 0.02 23 192 11815 -57.9 -67.9 27 10.0 -58.0 319 17 345.1 345.1 295.6 345.2 0.02 24 150 13360 -58.7 -69.7 23 11.0 -58.9 285 15 368.9 369.0 300.4 369.0 0.02 25 114 15076 -59.5 -73.5 15 14.0 -59.7 275 23 397.6 397.6 304.9 397.7 0.02 26 100 15890 -61.7 -75.7 14 14.0 -61.9 270 27 408.5 408.5 306.3 408.6 0.01 27 70 18090 -64.7 -79.7 11 15.0 -64.9 275 29 446.0 446.0 310.5 446.0 0.01 28 50 20130 -67.1 -83.1 9 16.0 -67.3 265 38 485.4 485.4 313.9 485.4 0.01 29 42 21178 -67.5 -83.5 9 16.0 -67.7 268 46 509.2 509.2 315.6 509.2 0.01 30 35 22264 -71.3 -87.3 8 16.0 -71.5 272 53 526.5 526.5 316.7 526.6 0.01 31 30 23170 -72.7 -88.7 7 16.0 -72.9 275 60 546.4 546.5 317.9 546.5 0.00 32 20 25550 -71.9 -88.9 6 17.0 -72.2 275 68 616.1 616.1 321.3 616.1 0.01 33 12 28549 -73.5 -89.5 7 16.0 -73.9 271 99 707.3 707.3 324.7 707.4 0.01 34 10 29620 -71.7 -88.5 6 16.7 -72.3 270 110 751.9 751.9 326.0 752.0 0.02 35 9.4 29986 -71.1 -88.1 6 17.0 -71.8 767.6 767.6 326.4 767.8 0.02 TRP 242 10357 -57.7 -66.7 31 9.0 -57.8 315 15 323.3 323.3 289.8 323.4 0.02 WND 10 29620 -71.7 -88.5 6 16.7 -72.3 270 110 751.9 751.9 326.0 752.0 0.02 Sounding variables and indices 1000-500 mb thick: 5291.00 m Freezing level: 980.80 mb = 396.33 m = 1300.29 ft Wetbulb zero: 1001.65 mb = 225.73 m = 740.58 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 65.09 % Est. max temperature: 5.30 C = 41.54 F Sfc-Lift cond lev (LCL): 946.81 mb = 675.77 m = 2217.05 ft T: -1.96 C 700-500 lapse rate: 7.11 C/km ThetaE index: 2.39 C Layer 1000.0- 937.0 mb Conv cond level (CCL): 864.06 mb = 1396.15 m = 4580.48 ft Mean mixing ratio: 2.65 g/kg Conv temperature: 5.22 C = 41.40 F Cap Strength: 12.76 C Lifted Index: 13.40 C Risk: None Lifted Index @300 mb: 20.25 C Lifted Index @700 mb: 10.11 C Showalter Index: 13.11 C Risk: None Total Totals Index: 37.30 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 16.90 C K Index: 0.00 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 3.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.38 J/kg Max Up Vert Vel: 4.98 m/s Conv Inhibition (B-): 58125.32 J/kg Cap Strength: 13.37 C Lift Cond Lev (LCL): 893.09 mb = 1136.71 m = 3729.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 at 6 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 1009 167 270 9 9.0 -0.0 | 232 9 7.2 5.6 1 1000 239 285 9 8.7 -2.3 | 244 8 6.8 3.3 2 925 861 360 7 -0.0 -7.0 | 53 2 -1.8 -1.4 3 850 1525 5 7 -0.6 -7.0 | 61 3 -2.5 -1.4 4 700 3028 290 11 10.3 -3.8 | 258 9 8.5 1.8 5 500 5530 320 5 3.2 -3.8 | 218 2 1.4 1.8 6 400 7090 260 7 6.9 1.2 | 217 8 5.0 6.8 7 300 8990 260 7 6.9 1.2 | 217 8 5.0 6.8 8 250 10150 305 13 10.6 -7.5 | 282 9 8.8 -1.8 9 242 10357 315 15 10.6 -10.6 | 300 10 8.8 -5.0 10 200 11560 325 17 9.8 -13.9 | 316 11 7.9 -8.3 11 150 13360 285 15 14.5 -3.9 | 262 13 12.6 1.7 12 100 15890 270 27 27.0 -0.0 | 257 26 25.2 5.6 13 70 18090 275 29 28.9 -2.5 | 264 27 27.0 3.1 14 50 20130 265 38 37.9 3.3 | 256 37 36.0 8.9 15 30 23170 275 60 59.8 -5.2 | 270 58 57.9 0.4 16 20 25550 275 68 67.7 -5.9 | 270 66 65.9 -0.3 17 10 29620 270 110 110.0 -0.0 | 267 108 108.2 5.6 Wind Parameters Mean winds (0-6000m): 311.8 at 7.9 knts Storm direction: 341.8 at 5.9 knts Shear (0-3000m) pos: 2.0 neg: 1.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 26.4 deg Storm rel helicity (0-3000m) pos: 11.1 neg: -10.6 tot: 0.6 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 55.20 Bulk Shear: 0.22 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 ------------------------------------------------------------------------------- 500 303 8 259 5| 9.5 0.0 9.5| 9.5 0.0 9.5 19.1 0.68| 10.3 7.0 1000 327 8 291 3| 6.0 0.0 6.0| 10.9 0.0 10.9 10.9 0.74| 6.9 5.1 1500 340 8 335 2| 4.0 0.2 4.2| 11.0 -0.6 10.5 7.0 0.63| 5.0 3.2 2000 341 8 339 2| 3.0 1.1 4.1| 11.0 -2.7 8.3 4.1 0.31| 4.7 1.5 2500 334 8 315 2| 2.4 1.7 4.1| 11.0 -6.2 4.8 1.9 0.12| 4.7 0.6 3000 324 8 291 3| 2.0 1.8 3.8| 11.1 -10.6 0.6 0.2 0.02| 4.5 0.1 4000 316 9 278 4| 1.9 1.4 3.2| 11.5 -10.7 0.7 0.2 0.02| 3.8 0.1 5000 313 8 271 4| 1.7 1.1 2.8| 11.5 -11.9 -0.4 -0.1 -0.02| 3.3 -0.1 6000 312 8 265 4| 1.4 1.1 2.5| 11.8 -12.4 -0.6 -0.1 -0.03| 3.0 -0.1 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251206.12.gif