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 LK747... Searching the city database file for: LK747 ... Date:1200Z 6 DEC 25 Station: LK747 WMO ident: 11747 Latitude: 49.45 Longitude: 17.13 ------------------------------------------------------------------------------- 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 121 SFC 989 212 5.8 4.9 94 0.9 5.4 100 1 279.8 280.8 279.0 294.9 5.49 2 960 455 4.0 3.9 99 0.1 3.9 136 12 280.4 281.3 279.0 294.9 5.27 3 925 758 5.2 5.0 99 0.2 5.1 180 25 284.6 285.7 281.8 301.1 5.91 4 922 785 5.4 5.1 98 0.3 5.2 181 25 285.1 286.1 282.1 301.8 5.98 5 850 1446 1.4 1.4 100 0.0 1.4 195 29 287.6 288.5 282.1 301.8 4.98 6 828 1657 0.2 0.2 100 0.0 0.2 198 28 288.5 289.3 282.1 301.9 4.69 7 700 2993 -4.7 -6.6 87 1.9 -5.5 220 21 297.3 297.9 284.3 307.3 3.33 8 688 3129 -5.1 -8.5 77 3.4 -6.4 219 22 298.3 298.8 284.2 307.2 2.92 9 569 4593 -14.1 -17.9 73 3.8 -15.2 211 30 304.4 304.7 285.2 309.6 1.64 10 547 4891 -16.1 -19.4 76 3.3 -17.0 209 31 305.5 305.7 285.4 310.3 1.50 11 500 5560 -21.5 -23.9 81 2.4 -22.0 205 35 306.8 307.0 285.5 310.5 1.11 12 440 6492 -29.1 -30.9 84 1.8 -29.3 205 33 308.6 308.8 285.7 310.9 0.66 13 426 6724 -30.3 -35.3 62 5.0 -30.9 205 32 310.0 310.1 285.9 311.5 0.44 14 405 7083 -33.5 -35.5 82 2.0 -33.7 205 31 310.3 310.4 286.0 311.9 0.46 15 400 7170 -33.9 -37.9 67 4.0 -34.3 205 31 310.9 311.0 286.1 312.2 0.36 16 390 7346 -35.1 -41.1 54 6.0 -35.6 205 31 311.6 311.7 286.2 312.6 0.27 17 368 7746 -38.7 -43.1 63 4.4 -39.0 205 32 312.0 312.1 286.4 312.9 0.23 18 350 8087 -41.3 -49.3 42 8.0 -41.7 205 32 313.0 313.1 286.6 313.5 0.12 19 318 8728 -46.9 -51.9 57 5.0 -47.1 205 33 314.0 314.0 286.9 314.4 0.10 20 300 9110 -49.5 -59.5 30 10.0 -49.7 205 33 315.6 315.6 287.3 315.7 0.04 21 290 9331 -50.7 -62.7 23 12.0 -51.0 204 35 316.9 317.0 287.8 317.1 0.03 22 254 10180 -58.3 -63.1 54 4.8 -58.4 200 43 317.9 318.0 288.1 318.1 0.03 23 250 10280 -59.1 -66.1 40 7.0 -59.2 200 44 318.2 318.2 288.2 318.3 0.02 24 245 10407 -59.7 -70.7 23 11.0 -59.8 203 42 319.1 319.2 288.5 319.2 0.01 25 213 11269 -66.9 -70.3 62 3.4 -66.9 220 25 321.0 321.0 289.0 321.0 0.01 26 200 11650 -67.1 -71.9 51 4.8 -67.1 215 11 326.5 326.5 290.7 326.5 0.01 27 192 11897 -65.5 -78.5 15 13.0 -65.5 221 12 332.9 332.9 292.5 332.9 0.00 28 178 12358 -64.9 -80.9 9 16.0 -65.0 233 14 341.2 341.2 294.6 341.2 0.00 29 150 13400 -65.5 -83.5 6 18.0 -65.6 260 19 357.2 357.2 298.1 357.3 0.00 30 125 14514 -63.5 -84.5 4 21.0 -63.7 271 19 380.0 380.0 302.2 380.0 0.00 31 100 15880 -64.7 -85.7 4 21.0 -64.8 285 19 402.7 402.7 305.6 402.7 0.00 32 70 18050 -65.3 -87.3 3 22.0 -65.5 275 27 444.7 444.7 310.3 444.7 0.00 33 50 20070 -68.3 -89.3 3 21.0 -68.5 270 42 482.5 482.5 313.7 482.6 0.00 34 30 23120 -69.1 -91.1 3 22.0 -69.4 265 56 556.3 556.3 318.5 556.3 0.00 35 24 24448 -71.7 -92.7 3 21.0 -71.9 268 64 585.4 585.4 319.9 585.4 0.00 36 22 24965 -69.5 -91.5 3 22.0 -69.9 269 67 606.7 606.7 320.9 606.7 0.00 37 20 25530 -72.7 -93.7 3 21.0 -73.0 270 71 613.6 613.6 321.2 613.7 0.00 38 17 26490 -69.9 -91.9 3 22.0 -70.4 270 82 651.8 651.8 322.7 651.8 0.00 39 15 27229 -72.7 -93.7 3 21.0 -73.0 270 90 666.3 666.3 323.3 666.3 0.00 40 13 28079 -67.9 -91.9 2 24.0 -68.7 270 99 710.7 710.7 324.8 710.8 0.01 41 12 28557 -70.1 -93.1 2 23.0 -70.7 270 104 719.4 719.4 325.0 719.4 0.01 42 12 28557 -67.3 -92.3 2 25.0 -68.2 270 104 729.3 729.3 325.3 729.3 0.01 43 10 29660 -65.7 -91.7 2 26.0 -67.0 270 116 774.3 774.3 326.6 774.4 0.01 44 6.8 32025 -61.9 -89.9 1 28.0 -64.4 880.4 880.4 329.0 880.6 0.02 45 6.3 32497 -62.7 -90.7 1 28.0 -65.2 896.5 896.5 329.4 896.6 0.02 46 4.7 34330 -56.3 -87.3 1 31.0 -61.7 1004.5 1004.5 331.2 1004.9 0.04 TRP 213 11269 -66.9 -70.3 62 3.4 -66.9 220 25 321.0 321.0 289.0 321.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5439.00 m Freezing level: 822.78 mb = 1711.55 m = 5615.24 ft Wetbulb zero: 823.60 mb = 1699.44 m = 5575.53 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 86.22 % Est. max temperature: 14.00 C = 57.20 F Sfc-Lift cond lev (LCL): 975.47 mb = 324.21 m = 1063.65 ft T: 4.97 C 700-500 lapse rate: 6.54 C/km ThetaE index: 0.03 C Layer 850.0- 828.0 mb Conv cond level (CCL): 975.41 mb = 324.78 m = 1065.53 ft Mean mixing ratio: 5.60 g/kg Conv temperature: 6.07 C = 42.93 F Cap Strength: 8.37 C Lifted Index: 8.48 C Risk: None Lifted Index @300 mb: 12.18 C Lifted Index @700 mb: 5.59 C Showalter Index: 6.22 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.90 C K Index: 22.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 109.80 Risk: None Energy Index: 1.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.48 J/kg Max Up Vert Vel: 8.06 m/s Conv Inhibition (B-): 50827.06 J/kg Cap Strength: 8.50 C Lift Cond Lev (LCL): 933.58 mb = 682.63 m = 2239.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 235 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 ---------------------------------------------------------- 0 989 212 100 1 -1.0 0.2 | 57 21 -17.2 -11.3 1 925 758 180 25 0.0 25.0 | 130 21 -16.2 13.5 2 850 1446 195 29 7.5 28.0 | 152 19 -8.7 16.5 3 700 2993 220 21 13.5 16.1 | 149 5 -2.7 4.6 4 500 5560 205 35 14.8 31.7 | 176 20 -1.4 20.2 5 400 7170 205 31 13.1 28.1 | 169 17 -3.1 16.6 6 300 9110 205 33 13.9 29.9 | 173 19 -2.3 18.4 7 250 10280 200 44 15.0 41.3 | 178 30 -1.2 29.9 8 213 11269 220 25 16.1 19.2 | 179 8 -0.2 7.7 9 200 11650 215 11 6.3 9.0 | 76 10 -9.9 -2.5 10 150 13400 260 19 18.7 3.3 | 343 9 2.5 -8.2 11 100 15880 285 19 18.4 -4.9 | 353 17 2.1 -16.4 12 70 18050 275 27 26.9 -2.4 | 322 17 10.7 -13.8 13 50 20070 270 42 42.0 -0.0 | 294 28 25.8 -11.5 14 30 23120 265 56 55.8 4.9 | 279 40 39.6 -6.6 15 20 25530 270 71 71.0 -0.0 | 282 56 54.8 -11.5 16 10 29660 270 116 116.0 -0.0 | 277 100 99.8 -11.5 Wind Parameters Mean winds (0-6000m): 204.7 at 26.5 knts Storm direction: 234.7 at 19.9 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 101.4 deg Storm rel helicity (0-3000m) pos: 227.6 neg: -1.4 tot: 226.2 m^2/s^2 ave: 75.4 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 6.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.88 Bulk Shear: 37.01 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 ------------------------------------------------------------------------------- 500 178 12 92 17| 23.4 0.0 23.4|161.7 0.0 161.7 323.5 0.96| 28.3 27.0 1000 182 19 116 17| 14.2 0.0 14.2|207.6 0.0 207.6 207.6 0.96| 18.6 17.8 1500 188 22 128 17| 9.5 0.0 9.5|224.1 0.0 224.1 149.4 0.92| 14.2 13.0 2000 192 23 134 16| 6.5 0.0 6.5|226.3 0.0 226.3 113.1 0.84| 11.8 9.9 2500 196 23 138 15| 4.7 0.0 4.7|226.3 -0.6 225.8 90.3 0.76| 10.3 7.9 3000 199 23 140 14| 3.9 0.0 3.9|227.6 -1.4 226.2 75.4 0.72| 9.2 6.6 4000 203 24 146 12| 2.9 0.8 3.7|232.7 -1.4 231.3 57.8 0.69| 7.7 5.3 5000 205 25 153 13| 2.3 1.3 3.6|234.6 -1.4 233.1 46.6 0.63| 6.8 4.3 6000 205 27 158 14| 1.9 1.1 3.1|234.6 -6.2 228.4 38.1 0.58| 6.0 3.5 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20251206.12.gif