UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 11 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 1004 165 -4.3 -7.4 79 3.1 -5.3 160 9 268.5 268.9 267.7 274.5 2.18 1 1000 196 -5.1 -9.5 71 4.4 -6.4 160 9 268.0 268.4 266.8 273.1 1.86 2 986 307 -6.7 -10.4 75 3.7 -7.7 165 10 267.5 267.8 266.2 272.3 1.75 3 956 548 -7.7 -10.3 82 2.6 -8.4 177 14 268.9 269.2 267.3 273.9 1.82 4 927 791 -1.9 -3.4 89 1.5 -2.5 189 17 277.2 277.7 274.6 286.1 3.20 5 925 808 -1.7 -3.1 90 1.4 -2.3 190 17 277.6 278.1 274.9 286.7 3.28 6 862 1368 -2.5 -3.6 92 1.1 -2.9 203 10 282.4 283.0 277.6 292.0 3.40 7 850 1479 -3.1 -4.2 92 1.1 -3.6 205 9 282.9 283.5 277.7 292.2 3.29 8 777 2183 -7.1 -8.6 89 1.5 -7.6 210 15 286.0 286.4 278.3 293.4 2.57 9 764 2314 -5.5 -6.9 90 1.4 -6.0 210 17 289.1 289.6 280.4 297.8 2.98 10 756 2397 -6.1 -7.4 90 1.3 -6.6 211 17 289.3 289.8 280.4 297.8 2.90 11 700 2994 -9.5 -11.6 85 2.1 -10.2 215 23 292.0 292.4 280.8 298.7 2.25 12 560 4683 -19.9 -24.3 68 4.4 -20.8 235 20 298.9 299.1 282.2 302.0 0.96 13 518 5260 -21.1 -27.1 58 6.0 -22.2 242 19 304.2 304.4 284.1 306.9 0.80 14 500 5520 -23.5 -29.5 58 6.0 -24.5 245 19 304.4 304.5 284.0 306.6 0.66 15 422 6737 -33.7 -40.7 49 7.0 -34.3 241 24 306.5 306.5 284.3 307.4 0.26 16 400 7110 -36.9 -43.9 48 7.0 -37.4 240 25 307.0 307.1 284.5 307.7 0.19 17 300 9030 -54.3 -60.3 48 6.0 -54.4 265 21 308.8 308.8 284.9 309.0 0.04 18 271 9673 -58.7 -64.7 46 6.0 -58.7 315 27 311.5 311.5 285.9 311.6 0.02 19 256 10031 -57.3 -63.3 46 6.0 -57.4 343 30 318.7 318.7 288.3 318.8 0.03 20 250 10180 -58.3 -64.3 46 6.0 -58.4 355 31 319.4 319.4 288.6 319.5 0.03 21 218 11041 -61.5 -67.5 45 6.0 -61.6 360 33 327.2 327.2 290.9 327.3 0.02 22 211 11245 -61.7 -67.7 45 6.0 -61.8 358 31 330.0 330.0 291.7 330.0 0.02 23 203 11487 -60.1 -66.1 45 6.0 -60.2 356 28 336.2 336.2 293.4 336.3 0.03 24 200 11580 -60.1 -66.1 45 6.0 -60.2 355 27 337.6 337.6 293.7 337.7 0.03 25 185 12064 -60.1 -67.1 39 7.0 -60.2 350 27 345.2 345.2 295.6 345.3 0.02 26 150 13360 -62.5 -69.5 38 7.0 -62.6 335 27 362.4 362.4 299.2 362.5 0.02 27 100 15830 -66.3 -74.3 32 8.0 -66.4 320 31 399.6 399.6 305.2 399.7 0.02 28 70 17980 -69.3 -77.3 30 8.0 -69.4 310 36 436.1 436.1 309.5 436.2 0.01 29 62 18704 -69.9 -77.9 30 8.0 -70.0 310 40 450.2 450.2 310.9 450.3 0.02 30 50 19980 -71.9 -79.9 29 8.0 -72.0 310 48 474.1 474.1 313.0 474.1 0.01 31 35 22063 -74.9 -82.9 28 8.0 -75.0 307 65 517.1 517.1 316.1 517.2 0.01 32 30 22960 -73.3 -81.3 28 8.0 -73.4 305 73 544.8 544.8 317.8 544.9 0.02 33 24 24271 -72.3 -80.3 29 8.0 -72.5 305 81 583.6 583.6 319.9 583.8 0.03 34 20 25340 -73.9 -82.6 25 8.8 -74.0 305 87 610.1 610.1 321.0 610.2 0.02 35 19 25639 -74.3 -83.3 24 9.0 -74.5 617.7 617.7 321.4 617.9 0.02 TRP 218 11041 -61.5 -67.5 45 6.0 -61.6 360 33 327.2 327.2 290.9 327.3 0.02 WND 20 25340 -73.9 -82.6 25 8.8 -74.0 305 87 610.1 610.1 321.0 610.2 0.02 Sounding variables and indices 1000-500 mb thick: 5324.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.47 inches Sfc-500 mean rel hum: 79.80 % Est. max temperature: 9.90 C = 49.82 F Sfc-Lift cond lev (LCL): 955.96 mb = 548.37 m = 1799.08 ft T: -7.69 C 700-500 lapse rate: 5.54 C/km ThetaE index: 2.14 C Layer 1000.0- 956.0 mb Conv cond level (CCL): 987.53 mb = 294.49 m = 966.16 ft Mean mixing ratio: 2.37 g/kg Conv temperature: -5.26 C = 22.53 F Cap Strength: 21.77 C Lifted Index: 21.60 C Risk: None Lifted Index @300 mb: 21.50 C Lifted Index @700 mb: 14.30 C Showalter Index: 11.05 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 19.30 C K Index: 14.10 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 2.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.54 J/kg Max Up Vert Vel: 10.44 m/s Conv Inhibition (B-): 48609.68 J/kg Cap Strength: 21.71 C Lift Cond Lev (LCL): 921.78 mb = 835.68 m = 2741.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 13 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 1004 165 160 9 -3.1 8.5 | 104 16 -15.8 4.0 1 1000 196 160 9 -3.1 8.5 | 104 16 -15.8 4.0 2 925 808 190 17 3.0 16.7 | 142 16 -9.8 12.3 3 850 1479 205 9 3.8 8.2 | 113 10 -8.9 3.7 4 700 2994 215 23 13.2 18.8 | 182 14 0.5 14.4 5 500 5520 245 19 17.2 8.0 | 232 6 4.5 3.6 6 400 7110 240 25 21.7 12.5 | 228 12 8.9 8.1 7 300 9030 265 21 20.9 1.8 | 288 9 8.2 -2.6 8 250 10180 355 31 2.7 -30.9 | 16 37 -10.0 -35.3 9 218 11041 360 33 -0.0 -33.0 | 19 40 -12.7 -37.4 10 200 11580 355 27 2.4 -26.9 | 18 33 -10.4 -31.3 11 150 13360 335 27 11.4 -24.5 | 3 29 -1.3 -28.9 12 100 15830 320 31 19.9 -23.7 | 346 29 7.2 -28.2 13 70 17980 310 36 27.6 -23.1 | 332 31 14.9 -27.6 14 50 19980 310 48 36.8 -30.9 | 326 43 24.1 -35.3 15 30 22960 305 73 59.8 -41.9 | 315 66 47.1 -46.3 16 20 25340 305 87 71.3 -49.9 | 313 80 58.6 -54.3 Wind Parameters Mean winds (0-6000m): 220.7 at 17.9 knts Storm direction: 250.7 at 13.5 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 79.8 deg Storm rel helicity (0-3000m) pos: 82.5 neg: -16.3 tot: 66.2 m^2/s^2 ave: 22.1 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.39 Bulk Shear: 22.79 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 ------------------------------------------------------------------------------- 500 174 12 118 16| 7.9 0.0 7.9| 33.5 0.0 33.5 67.0 1.00| 8.0 8.0 1000 185 14 128 15| 4.1 0.0 4.1| 43.5 -7.4 36.2 36.2 0.55| 7.5 4.2 1500 189 13 127 13| 2.7 0.0 2.7| 47.5 -16.3 31.2 20.8 0.32| 6.9 2.2 2000 194 13 129 12| 3.0 0.0 3.0| 59.3 -16.3 43.0 21.5 0.45| 6.4 2.8 2500 199 14 136 12| 3.3 0.0 3.3| 71.7 -16.3 55.5 22.2 0.52| 6.1 3.1 3000 203 15 144 12| 3.3 0.0 3.3| 82.5 -16.3 66.2 22.1 0.55| 5.7 3.1 4000 210 17 156 11| 2.5 0.0 2.5| 92.0 -16.3 75.7 18.9 0.56| 4.9 2.7 5000 215 18 165 10| 2.1 0.0 2.1| 98.7 -16.3 82.5 16.5 0.57| 4.4 2.5 6000 221 18 174 9| 1.8 0.2 1.9|100.7 -16.5 84.2 14.0 0.55| 4.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251211.00.gif