UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120806.upa.cvt Date: 0600Z 8 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:0600Z 8 DEC 25 Station: LK520 WMO ident: 11520 Latitude: 50.00 Longitude: 14.45 ------------------------------------------------------------------------------- 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 978 304 7.0 5.6 91 1.4 6.3 175 3 281.9 282.9 280.5 298.0 5.83 2 957 483 7.8 6.7 93 1.1 7.2 212 13 284.5 285.6 282.4 302.4 6.44 3 925 764 7.0 6.4 96 0.6 6.7 270 29 286.5 287.6 283.3 304.8 6.52 4 895 1036 7.4 6.4 93 1.0 6.9 284 29 289.6 290.8 284.8 308.7 6.75 5 853 1431 5.0 5.0 100 0.0 5.0 304 29 291.1 292.2 285.1 309.5 6.42 6 850 1460 4.8 4.8 100 0.0 4.8 305 29 291.2 292.3 285.1 309.4 6.35 7 704 2976 -3.5 -5.9 83 2.4 -4.5 305 25 298.1 298.8 284.8 308.7 3.49 8 700 3021 -2.5 -3.4 94 0.9 -2.9 305 25 299.7 300.5 286.2 312.5 4.25 9 697 3055 -2.7 -3.7 93 1.0 -3.1 305 25 299.9 300.6 286.2 312.4 4.17 10 676 3296 -5.7 -23.7 23 18.0 -10.2 306 27 299.1 299.3 282.1 301.8 0.83 11 654 3555 -4.5 -25.5 18 21.0 -9.8 307 29 303.3 303.5 283.7 305.8 0.73 12 537 5081 -12.7 -42.7 6 30.0 -17.1 313 40 311.1 311.2 285.9 311.7 0.16 13 500 5620 -17.3 -44.3 8 27.0 -20.8 315 44 311.9 312.0 286.2 312.5 0.15 14 488 5802 -18.7 -44.7 8 26.0 -21.9 313 43 312.4 312.4 286.4 312.9 0.15 15 486 5833 -18.7 -29.7 37 11.0 -20.8 313 43 312.8 312.9 287.1 315.1 0.67 16 476 5988 -20.1 -34.1 28 14.0 -22.4 312 42 312.9 313.0 286.9 314.5 0.45 17 472 6050 -20.7 -29.7 44 9.0 -22.4 311 42 312.9 313.0 287.2 315.3 0.69 18 466 6145 -20.7 -24.3 73 3.6 -21.5 310 41 314.1 314.3 288.1 317.9 1.15 19 422 6873 -25.5 -27.8 81 2.3 -25.9 304 38 317.0 317.1 288.8 320.1 0.92 20 400 7260 -28.7 -30.6 84 1.9 -29.0 300 36 317.7 317.8 288.8 320.3 0.75 21 399 7278 -28.9 -30.7 84 1.8 -29.2 300 36 317.7 317.8 288.8 320.3 0.74 22 326 8689 -39.7 -42.8 72 3.1 -39.9 304 47 321.7 321.7 289.6 322.7 0.27 23 308 9074 -43.3 -45.2 81 1.9 -43.4 305 51 321.9 321.9 289.6 322.7 0.22 24 300 9250 -44.7 -47.6 73 2.9 -44.9 305 52 322.4 322.4 289.7 323.0 0.17 25 250 10440 -54.9 -58.4 65 3.5 -55.0 305 54 324.4 324.5 290.2 324.7 0.06 26 230 10968 -59.5 -63.6 59 4.1 -59.6 305 55 325.3 325.3 290.4 325.4 0.03 27 200 11830 -66.7 -73.7 37 7.0 -66.7 305 58 327.1 327.1 290.9 327.2 0.01 28 176 12595 -71.3 -75.2 56 3.9 -71.3 300 66 331.8 331.8 292.2 331.8 0.01 29 172 12731 -72.1 -75.5 60 3.4 -72.1 305 62 332.6 332.6 292.4 332.6 0.01 30 166 12942 -68.7 -75.7 36 7.0 -68.7 302 53 341.7 341.7 294.7 341.7 0.01 31 150 13550 -68.7 -79.7 19 11.0 -68.8 295 29 351.7 351.7 297.0 351.8 0.00 32 138 14051 -66.7 -82.7 9 16.0 -66.8 296 30 363.8 363.8 299.4 363.8 0.00 33 100 16000 -65.9 -84.9 5 19.0 -66.0 300 35 400.4 400.4 305.3 400.4 0.00 34 95 16313 -63.9 -84.9 4 21.0 -64.1 299 35 410.2 410.2 306.5 410.3 0.00 35 77 17587 -68.1 -87.1 5 19.0 -68.2 293 36 426.9 426.9 308.5 426.9 0.00 36 70 18160 -67.5 -87.5 4 20.0 -67.7 290 36 440.0 440.0 309.8 440.0 0.00 37 52 19953 -66.5 -88.5 3 22.0 -66.7 312 32 481.3 481.3 313.5 481.4 0.00 38 50 20190 -67.1 -89.1 3 22.0 -67.3 315 31 485.4 485.4 313.9 485.4 0.00 39 33 22682 -70.5 -91.5 3 21.0 -70.7 295 34 537.6 537.6 317.4 537.6 0.00 40 30 23250 -69.7 -91.7 3 22.0 -69.9 290 35 554.6 554.6 318.3 554.6 0.00 41 21 25387 -66.7 -91.7 2 25.0 -67.2 286 48 623.2 623.2 321.6 623.3 0.00 42 20 25680 -68.3 -92.3 2 24.0 -68.8 285 50 627.1 627.1 321.8 627.1 0.00 43 12 28723 -70.9 -94.9 2 24.0 -71.5 289 74 716.5 716.5 325.0 716.6 0.00 44 10 29820 -64.5 -92.5 1 28.0 -65.9 290 83 778.8 778.8 326.7 778.8 0.01 45 9.8 29944 -63.9 -90.9 1 27.0 -65.4 785.6 785.6 326.9 785.6 0.01 TRP 172 12731 -72.1 -75.5 60 3.4 -72.1 305 62 332.6 332.6 292.4 332.6 0.01 WND 176 12595 -71.3 -75.2 56 3.9 -71.3 300 66 331.8 331.8 292.2 331.8 0.01 Sounding variables and indices 1000-500 mb thick: 5499.00 m Freezing level: 765.57 mb = 2336.60 m = 7665.92 ft Wetbulb zero: 774.39 mb = 2209.26 m = 7248.13 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 54.82 % Est. max temperature: 17.14 C = 62.86 F Sfc-Lift cond lev (LCL): 957.23 mb = 481.39 m = 1579.35 ft T: 7.79 C 700-500 lapse rate: 5.69 C/km ThetaE index: 0.81 C Layer 850.0- 700.0 mb Conv cond level (CCL): 978.00 mb = 304.31 m = 998.38 ft Mean mixing ratio: 6.49 g/kg Conv temperature: 7.14 C = 44.85 F Cap Strength: 8.73 C Lifted Index: 8.37 C Risk: None Lifted Index @300 mb: 12.58 C Lifted Index @700 mb: 4.28 C Showalter Index: 5.41 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.10 C Cross Totals Index: 22.10 C K Index: 26.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 159.60 Risk: None Energy Index: 0.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.61 J/kg Max Up Vert Vel: 7.95 m/s Conv Inhibition (B-): 48865.98 J/kg Cap Strength: 8.70 C Lift Cond Lev (LCL): 913.84 mb = 864.13 m = 2835.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 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 ---------------------------------------------------------- 0 978 304 175 3 -0.3 3.0 | 158 26 -9.8 24.6 1 925 764 270 29 29.0 -0.0 | 222 29 19.5 21.6 2 850 1460 305 29 23.8 -16.6 | 251 15 14.2 5.0 3 700 3021 305 25 20.5 -14.3 | 236 13 11.0 7.3 4 500 5620 315 44 31.1 -31.1 | 294 24 21.6 -9.5 5 400 7260 300 36 31.2 -18.0 | 260 22 21.7 3.6 6 300 9250 305 52 42.6 -29.8 | 284 34 33.1 -8.2 7 250 10440 305 54 44.2 -31.0 | 285 36 34.7 -9.3 8 200 11830 305 58 47.5 -33.3 | 287 40 38.0 -11.6 9 176 12595 300 66 57.2 -33.0 | 283 49 47.6 -11.4 10 172 12731 305 62 50.8 -35.6 | 289 44 41.3 -13.9 11 150 13550 295 29 26.3 -12.3 | 241 19 16.8 9.4 12 100 16000 300 35 30.3 -17.5 | 259 21 20.8 4.1 13 70 18160 290 36 33.8 -12.3 | 249 26 24.3 9.3 14 50 20190 315 31 21.9 -21.9 | 271 12 12.4 -0.3 15 30 23250 290 35 32.9 -12.0 | 248 25 23.4 9.7 16 20 25680 285 50 48.3 -12.9 | 257 40 38.8 8.7 17 10 29820 290 83 78.0 -28.4 | 276 69 68.5 -6.8 Wind Parameters Mean winds (0-6000m): 306.2 at 31.5 knts Storm direction: 336.2 at 23.6 knts Shear (0-3000m) pos: 5.4 neg: 0.4 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 87.0 deg Storm rel helicity (0-3000m) pos: 360.0 neg: -12.5 tot: 347.5 m^2/s^2 ave: 115.8 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 10.5 stream: 7.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.50 Bulk Shear: 62.86 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 ------------------------------------------------------------------------------- 500 265 17 198 24| 30.4 0.0 30.4|294.5 0.0 294.5 588.9 0.92| 39.9 36.7 1000 278 23 216 23| 15.8 0.0 15.8|343.0 0.0 343.0 343.0 0.85| 26.5 22.4 1500 288 25 225 20| 10.3 0.0 10.3|352.7 -2.5 350.3 233.5 0.80| 19.3 15.5 2000 293 26 230 18| 7.8 0.3 8.1|352.7 -6.6 346.1 173.1 0.77| 14.8 11.3 2500 295 26 232 17| 6.2 0.5 6.7|352.7 -10.8 341.9 136.8 0.73| 12.1 8.8 3000 297 26 233 17| 5.4 0.4 5.9|360.0 -12.5 347.5 115.8 0.72| 10.5 7.6 4000 300 27 240 16| 5.0 0.3 5.4|387.1 -12.5 374.6 93.7 0.74| 8.9 6.6 5000 304 29 250 16| 4.8 0.3 5.0|417.2 -12.5 404.7 80.9 0.75| 7.9 5.9 6000 306 32 259 16| 4.0 0.4 4.4|427.0 -46.0 381.0 63.5 0.63| 7.3 4.6 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251208.06.gif