UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 23 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1013 145 -8.1 -12.6 70 4.5 -9.2 190 3 264.1 264.3 263.2 268.0 1.43 1 1000 245 -7.9 -12.3 71 4.4 -9.0 195 11 265.2 265.5 264.1 269.3 1.48 2 925 849 -9.5 -12.6 78 3.1 -10.3 240 31 269.6 269.9 267.3 273.9 1.57 3 916 925 -9.9 -12.9 79 3.0 -10.6 240 31 269.9 270.2 267.5 274.2 1.54 4 904 1026 -9.1 -10.7 88 1.6 -9.5 240 31 271.8 272.1 269.2 277.0 1.87 5 898 1078 -8.7 -11.4 81 2.7 -9.5 240 31 272.7 273.0 269.7 277.7 1.78 6 850 1503 -9.7 -17.7 52 8.0 -11.6 240 31 276.0 276.2 270.7 279.2 1.12 7 822 1762 -8.9 -19.9 41 11.0 -11.4 243 31 279.5 279.7 272.5 282.3 0.96 8 760 2370 -8.7 -35.7 9 27.0 -12.9 252 30 286.0 286.1 275.0 286.8 0.24 9 700 3002 -13.3 -19.3 61 6.0 -14.7 260 29 287.8 288.0 277.3 291.4 1.18 10 673 3300 -14.9 -17.6 80 2.7 -15.6 264 31 289.2 289.5 278.4 293.5 1.42 11 645 3619 -17.7 -20.7 77 3.0 -18.3 267 32 289.6 289.8 278.2 293.1 1.14 12 533 5033 -21.7 -24.8 76 3.1 -22.3 284 40 301.0 301.2 283.1 304.1 0.96 13 500 5500 -25.3 -28.5 75 3.2 -25.8 290 42 302.2 302.3 283.2 304.6 0.73 14 400 7080 -37.3 -43.3 54 6.0 -37.7 295 50 306.5 306.6 284.3 307.3 0.21 15 385 7342 -39.7 -45.7 53 6.0 -40.1 296 51 306.7 306.8 284.3 307.3 0.17 16 305 8902 -48.5 -54.5 50 6.0 -48.7 300 56 315.5 315.5 287.3 315.8 0.08 17 300 9010 -49.9 -55.9 49 6.0 -50.1 300 56 315.0 315.0 287.2 315.3 0.07 18 288 9276 -52.5 -58.5 48 6.0 -52.7 301 58 315.0 315.0 287.2 315.2 0.05 19 254 10080 -57.9 -64.9 40 7.0 -58.0 305 65 318.5 318.5 288.3 318.6 0.02 20 250 10180 -59.5 -66.5 40 7.0 -59.6 305 66 317.6 317.6 288.0 317.7 0.02 21 225 10831 -66.1 -73.1 37 7.0 -66.1 309 75 317.2 317.2 287.8 317.2 0.01 22 220 10967 -66.8 -74.0 36 7.2 -66.8 310 77 318.2 318.2 288.2 318.2 0.01 23 200 11540 -69.7 -77.7 30 8.0 -69.7 310 73 322.4 322.4 289.5 322.4 0.00 24 198 11599 -70.5 -78.5 30 8.0 -70.5 310 73 322.0 322.0 289.4 322.0 0.00 25 197 11629 -70.7 -78.7 30 8.0 -70.7 310 73 322.2 322.2 289.4 322.2 0.00 26 150 13260 -65.5 -73.5 32 8.0 -65.5 295 52 357.2 357.3 298.2 357.3 0.01 27 119 14683 -61.3 -71.3 25 10.0 -61.4 292 52 389.4 389.4 303.7 389.5 0.02 28 100 15760 -62.1 -74.1 19 12.0 -62.3 290 52 407.7 407.7 306.2 407.8 0.02 29 96 16012 -61.9 -73.9 19 12.0 -62.1 288 52 412.9 412.9 306.9 413.0 0.02 30 70 17940 -66.9 -79.9 14 13.0 -67.1 275 56 441.3 441.3 310.0 441.3 0.01 31 56 19286 -68.3 -82.3 12 14.0 -68.5 278 65 467.1 467.1 312.4 467.2 0.01 32 50 19970 -66.9 -80.9 12 14.0 -67.1 280 69 485.8 485.8 313.9 485.9 0.01 33 30 23060 -66.7 -80.7 12 14.0 -67.1 265 81 562.8 562.8 318.8 562.9 0.02 34 29 23265 -66.7 -81.7 10 15.0 -67.1 568.3 568.3 319.1 568.4 0.02 35 27 23700 -63.5 -79.5 10 16.0 -64.1 589.0 589.0 320.1 589.2 0.03 TRP 197 11629 -70.7 -78.7 30 8.0 -70.7 310 73 322.2 322.2 289.4 322.2 0.00 WND 220 10967 -66.8 -74.0 36 7.2 -66.8 310 77 318.2 318.2 288.2 318.2 0.01 Sounding variables and indices 1000-500 mb thick: 5255.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 63.29 % Est. max temperature: 2.95 C = 37.30 F Sfc-Lift cond lev (LCL): 942.64 mb = 702.64 m = 2305.21 ft T: -9.11 C 700-500 lapse rate: 4.80 C/km Conv cond level (CCL): 649.38 mb = 3568.44 m = 11707.33 ft Mean mixing ratio: 1.52 g/kg Conv temperature: 17.45 C = 63.41 F Cap Strength: 24.92 C Lifted Index: 25.31 C Risk: None Lifted Index @300 mb: 30.82 C Lifted Index @700 mb: 15.92 C Showalter Index: 19.21 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 7.60 C K Index: -8.10 Risk: None Sweat Index: 224.76 Risk: None Energy Index: 5.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.13 J/kg Max Up Vert Vel: 4.50 m/s Conv Inhibition (B-): 42746.32 J/kg Cap Strength: 25.27 C Lift Cond Lev (LCL): 905.46 mb = 1013.94 m = 3326.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 24 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 1013 145 190 3 0.5 3.0 | 123 25 -21.4 13.8 1 1000 245 195 11 2.8 10.6 | 138 29 -19.1 21.5 2 925 849 240 31 26.8 15.5 | 191 27 4.9 26.4 3 850 1503 240 31 26.8 15.5 | 191 27 4.9 26.4 4 700 3002 260 29 28.6 5.0 | 203 17 6.6 15.9 5 500 5500 290 42 39.5 -14.4 | 281 18 17.5 -3.5 6 400 7080 295 50 45.3 -21.1 | 294 26 23.4 -10.3 7 300 9010 300 56 48.5 -28.0 | 303 32 26.6 -17.1 8 250 10180 305 66 54.1 -37.9 | 310 42 32.1 -27.0 9 220 10967 310 77 59.0 -49.5 | 316 54 37.0 -38.6 10 200 11540 310 73 55.9 -46.9 | 317 50 34.0 -36.0 11 197 11629 310 73 55.9 -46.9 | 317 50 34.0 -36.0 12 150 13260 295 52 47.1 -22.0 | 294 28 25.2 -11.1 13 100 15760 290 52 48.9 -17.8 | 284 28 26.9 -6.9 14 70 17940 275 56 55.8 -4.9 | 260 34 33.8 6.0 15 50 19970 280 69 68.0 -12.0 | 271 46 46.0 -1.1 16 30 23060 265 81 80.7 7.1 | 253 61 58.8 17.9 Wind Parameters Mean winds (0-6000m): 266.4 at 32.7 knts Storm direction: 296.4 at 24.5 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 83.4 deg Storm rel helicity (0-3000m) pos: 279.3 neg: 0.0 tot: 279.3 m^2/s^2 ave: 93.1 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 6.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.11 Bulk Shear: 91.86 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 ------------------------------------------------------------------------------- 500 214 15 151 27| 22.5 0.0 22.5|175.2 0.0 175.2 350.3 0.97| 24.9 24.1 1000 232 23 170 25| 15.0 0.0 15.0|246.9 0.0 246.9 246.9 0.97| 17.6 17.1 1500 236 25 178 25| 10.0 0.0 10.0|250.5 0.0 250.5 167.0 0.96| 12.1 11.6 2000 238 27 182 25| 7.4 0.0 7.4|261.3 0.0 261.3 130.7 0.91| 10.0 9.1 2500 241 27 185 24| 5.8 0.0 5.8|269.6 0.0 269.6 107.9 0.87| 8.7 7.6 3000 244 28 187 23| 5.0 0.0 5.0|279.3 0.0 279.3 93.1 0.85| 7.9 6.7 4000 251 29 194 21| 4.5 0.0 4.5|315.0 0.0 315.0 78.7 0.87| 7.0 6.1 5000 259 31 206 19| 4.2 0.0 4.2|354.1 0.0 354.1 70.8 0.89| 6.6 5.8 6000 266 33 219 17| 3.9 0.0 3.9|379.5 0.0 379.5 63.2 0.87| 6.1 5.3 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251223.12.gif