UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 12 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 ------------------------------------------------------------------------------- 0 1000 106 180 9 SFC 992 170 -0.9 -2.7 88 1.8 -1.6 180 9 272.9 273.4 272.0 281.5 3.15 2 925 725 -3.3 -5.0 88 1.7 -3.9 185 15 275.9 276.4 273.3 283.8 2.84 3 862 1282 -6.1 -8.2 85 2.1 -6.8 252 36 278.6 279.0 274.2 285.4 2.39 4 850 1392 -4.9 -8.4 76 3.5 -6.1 265 40 281.0 281.4 275.5 287.8 2.38 5 810 1773 -1.7 -13.7 39 12.0 -5.5 261 37 288.3 288.6 278.2 293.2 1.64 6 743 2455 -4.9 -25.9 18 21.0 -9.7 255 31 292.0 292.1 278.6 294.0 0.62 7 700 2921 -7.5 -27.5 18 20.0 -11.8 250 27 294.2 294.3 279.6 296.0 0.57 8 638 3636 -11.5 -24.5 33 13.0 -14.4 247 26 297.5 297.7 281.4 300.2 0.82 9 602 4080 -12.3 -25.3 33 13.0 -15.2 246 26 301.6 301.7 283.1 304.3 0.81 10 501 5455 -22.1 -39.1 20 17.0 -24.2 240 25 305.9 306.0 284.1 306.8 0.26 11 500 5470 -22.1 -39.1 20 17.0 -24.2 240 25 306.1 306.1 284.2 307.0 0.26 12 476 5831 -22.5 -42.5 14 20.0 -24.8 239 24 309.9 310.0 285.5 310.6 0.19 13 400 7080 -32.9 -46.9 23 14.0 -34.0 235 21 312.2 312.3 286.3 312.7 0.14 14 300 9030 -50.1 -58.1 38 8.0 -50.3 235 23 314.7 314.7 287.1 314.9 0.05 15 257 10026 -58.5 -65.5 40 7.0 -58.6 239 30 316.6 316.6 287.6 316.7 0.02 16 250 10200 -59.5 -66.5 40 7.0 -59.6 240 31 317.6 317.6 288.0 317.7 0.02 17 223 10905 -63.9 -69.9 44 6.0 -64.0 235 36 321.4 321.4 289.2 321.5 0.01 18 203 11479 -63.5 -69.5 44 6.0 -63.6 261 33 330.8 330.8 291.9 330.9 0.02 19 200 11570 -62.9 -68.9 44 6.0 -63.0 265 33 333.2 333.2 292.6 333.2 0.02 20 188 11954 -59.7 -65.7 45 6.0 -59.8 267 33 344.3 344.3 295.4 344.4 0.03 21 185 12055 -60.3 -66.3 45 6.0 -60.4 268 33 344.9 344.9 295.5 345.0 0.03 22 150 13360 -61.5 -68.5 39 7.0 -61.6 275 33 364.1 364.1 299.5 364.2 0.03 23 141 13743 -63.3 -70.3 38 7.0 -63.4 278 34 367.5 367.5 300.1 367.6 0.02 24 100 15860 -62.7 -70.7 33 8.0 -62.9 295 38 406.6 406.6 306.1 406.7 0.03 25 70 18030 -67.5 -76.5 27 9.0 -67.6 305 36 440.0 440.0 309.9 440.1 0.02 26 59 19060 -69.1 -78.1 26 9.0 -69.2 308 43 458.4 458.4 311.7 458.5 0.02 27 50 20050 -69.9 -78.9 26 9.0 -70.0 310 50 478.8 478.8 313.4 478.9 0.02 28 30 23070 -71.7 -81.7 21 10.0 -71.9 320 69 549.2 549.2 318.1 549.3 0.02 29 20 25460 -71.9 -81.9 21 10.0 -72.1 310 83 616.1 616.1 321.3 616.3 0.02 30 16 26784 -72.5 -82.5 21 10.0 -72.8 305 92 654.7 654.7 322.9 654.9 0.03 31 10 29610 -65.6 -76.5 20 10.9 -66.5 295 110 774.9 774.9 326.6 776.0 0.12 32 9.7 29795 -65.1 -76.1 20 11.0 -66.2 783.3 783.4 326.8 784.6 0.13 TRP 223 10905 -63.9 -69.9 44 6.0 -64.0 235 36 321.4 321.4 289.2 321.5 0.01 WND 10 29610 -65.6 -76.5 20 10.9 -66.5 295 110 774.9 774.9 326.6 776.0 0.12 Sounding variables and indices 1000-500 mb thick: 5364.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 42.19 % Est. max temperature: 8.64 C = 47.54 F Sfc-Lift cond lev (LCL): 964.34 mb = 394.47 m = 1294.17 ft T: -1.87 C 700-500 lapse rate: 5.73 C/km ThetaE index: 0.00 C Layer 992.0- -0.0 mb Conv cond level (CCL): 876.03 mb = 1154.31 m = 3787.06 ft Mean mixing ratio: 2.90 g/kg Conv temperature: 4.23 C = 39.61 F Cap Strength: 19.19 C Lifted Index: 19.36 C Risk: None Lifted Index @300 mb: 22.39 C Lifted Index @700 mb: 12.81 C Showalter Index: 15.79 C Risk: None Total Totals Index: 30.90 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 13.70 C K Index: -11.20 Risk: None Sweat Index: 105.00 Risk: None Energy Index: 4.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.38 J/kg Max Up Vert Vel: 5.55 m/s Conv Inhibition (B-): 55868.75 J/kg Cap Strength: 19.13 C Lift Cond Lev (LCL): 914.89 mb = 811.73 m = 2663.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 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 ---------------------------------------------------------- 0 992 170 180 9 0.0 9.0 | 120 23 -19.8 11.4 1 925 725 185 15 1.3 14.9 | 133 25 -18.5 17.3 2 850 1392 265 40 39.8 3.5 | 254 21 20.1 5.9 3 700 2921 250 27 25.4 9.2 | 206 13 5.6 11.6 4 500 5470 240 25 21.7 12.5 | 187 15 1.9 14.9 5 400 7080 235 21 17.2 12.0 | 170 15 -2.6 14.4 6 300 9030 235 23 18.8 13.2 | 177 16 -0.9 15.6 7 250 10200 240 31 26.8 15.5 | 202 19 7.1 17.9 8 223 10905 235 36 29.5 20.6 | 203 25 9.7 23.0 9 200 11570 265 33 32.9 2.9 | 248 14 13.1 5.3 10 150 13360 275 33 32.9 -2.9 | 272 13 13.1 -0.5 11 100 15860 295 38 34.4 -16.1 | 313 20 14.7 -13.7 12 70 18030 305 36 29.5 -20.6 | 332 21 9.7 -18.3 13 50 20050 310 50 38.3 -32.1 | 328 35 18.5 -29.7 14 30 23070 320 69 44.4 -52.9 | 334 56 24.6 -50.5 15 20 25460 310 83 63.6 -53.4 | 319 67 43.8 -51.0 16 10 29610 295 110 99.7 -46.5 | 299 91 79.9 -44.1 Wind Parameters Mean winds (0-6000m): 246.9 at 26.6 knts Storm direction: 276.9 at 19.9 knts Shear (0-3000m) pos: 6.4 neg: 2.2 tot: 8.7 10-3/s Storm rel Dir Shear (0-3000m): 83.7 deg Storm rel helicity (0-3000m) pos: 290.9 neg: -55.8 tot: 235.0 m^2/s^2 ave: 78.3 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 6.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.20 Bulk Shear: 75.40 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 ------------------------------------------------------------------------------- 500 183 12 126 24| 5.6 0.0 5.6| 31.7 0.0 31.7 63.3 0.91| 5.6 5.1 1000 206 17 145 22| 14.4 0.0 14.4|198.1 0.0 198.1 198.1 0.97| 17.3 16.8 1500 240 24 183 14| 12.9 0.0 12.9|290.9 -8.8 282.1 188.0 0.91| 18.4 16.7 2000 248 27 201 13| 9.6 1.3 11.0|290.9 -28.6 262.2 131.1 0.76| 15.2 11.5 2500 250 28 208 13| 7.7 2.1 9.8|290.9 -46.1 244.7 97.9 0.63| 13.2 8.2 3000 251 28 209 13| 6.4 2.2 8.7|290.9 -55.8 235.0 78.3 0.56| 11.5 6.4 4000 250 27 206 13| 4.8 1.9 6.7|290.9 -62.2 228.6 57.2 0.52| 8.9 4.6 5000 248 27 203 13| 3.9 1.7 5.6|290.9 -68.7 222.1 44.4 0.48| 7.3 3.5 6000 247 27 200 14| 3.2 1.6 4.8|290.9 -78.4 212.5 35.4 0.43| 6.3 2.7 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251212.00.gif