UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120823.upa.cvt Date: 2300Z 8 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:2300Z 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 159 SFC 983 303 12.0 8.5 79 3.5 10.0 180 5 286.6 287.8 284.0 306.4 7.09 2 925 811 9.4 8.8 96 0.6 9.0 245 25 288.9 290.3 285.5 310.6 7.70 3 850 1509 5.6 5.6 100 0.0 5.6 260 29 292.0 293.2 285.8 311.3 6.72 4 836 1645 5.0 4.8 99 0.2 4.9 261 29 292.8 293.9 285.8 311.4 6.46 5 822 1783 5.8 3.8 87 2.0 4.8 262 29 295.0 296.1 286.4 312.9 6.12 6 731 2734 -0.3 -0.3 100 0.0 -0.3 268 29 298.4 299.4 286.6 313.7 5.12 7 700 3080 -2.5 -2.5 100 0.0 -2.5 270 29 299.7 300.5 286.5 313.4 4.55 8 559 4826 -14.3 -15.1 94 0.8 -14.6 270 32 305.7 306.1 286.2 312.4 2.12 9 554 4894 -13.3 -30.3 23 17.0 -16.7 270 32 307.7 307.8 285.1 309.6 0.56 10 549 4963 -13.1 -22.1 47 9.0 -15.4 270 32 308.7 308.9 286.2 312.6 1.18 11 536 5146 -14.3 -29.3 27 15.0 -17.4 270 32 309.4 309.5 285.9 311.5 0.63 12 535 5160 -14.5 -23.5 46 9.0 -16.7 270 32 309.3 309.5 286.4 312.9 1.07 13 523 5331 -15.5 -21.5 60 6.0 -17.0 270 32 310.1 310.4 286.9 314.5 1.31 14 500 5670 -17.1 -26.1 46 9.0 -19.1 270 33 312.2 312.4 287.2 315.3 0.91 15 444 6548 -23.1 -39.1 22 16.0 -25.2 270 39 315.4 315.5 287.6 316.5 0.29 16 400 7300 -30.3 -41.3 33 11.0 -31.4 270 44 315.6 315.7 287.6 316.5 0.26 17 372 7811 -35.1 -42.1 49 7.0 -35.7 276 48 315.9 315.9 287.7 316.8 0.25 18 330 8633 -42.1 -46.9 59 4.8 -42.4 287 55 317.3 317.3 288.1 317.9 0.17 19 300 9270 -47.7 -54.7 44 7.0 -47.9 295 60 318.1 318.1 288.2 318.4 0.08 20 281 9701 -51.9 -60.9 33 9.0 -52.1 293 60 318.1 318.1 288.2 318.2 0.04 21 250 10450 -59.1 -65.1 46 6.0 -59.2 290 60 318.2 318.2 288.2 318.3 0.02 22 238 10755 -61.9 -68.9 39 7.0 -62.0 287 61 318.5 318.5 288.3 318.5 0.02 23 201 11780 -68.7 -73.7 48 5.0 -68.7 275 64 323.5 323.5 289.8 323.5 0.01 24 200 11810 -68.5 -73.3 50 4.8 -68.5 280 64 324.3 324.3 290.0 324.3 0.01 25 186 12244 -69.5 -74.5 48 5.0 -69.5 292 67 329.5 329.5 291.6 329.5 0.01 26 182 12374 -67.5 -76.8 26 9.3 -67.5 295 68 334.8 334.8 293.0 334.8 0.01 27 175 12612 -63.9 -80.9 8 17.0 -64.0 292 65 344.5 344.5 295.4 344.5 0.00 28 165 12970 -66.1 -82.1 9 16.0 -66.2 287 60 346.6 346.6 295.9 346.6 0.00 29 150 13550 -64.5 -83.5 6 19.0 -64.6 280 52 359.0 359.0 298.5 359.0 0.00 30 128 14524 -62.5 -84.5 4 22.0 -62.7 292 47 379.2 379.2 302.1 379.2 0.00 31 116 15125 -66.3 -85.3 5 19.0 -66.4 299 43 383.0 383.0 302.7 383.0 0.00 32 100 16030 -63.7 -85.7 3 22.0 -63.9 310 38 404.7 404.7 305.8 404.7 0.00 33 78 17551 -62.5 -86.5 3 24.0 -62.8 300 37 436.9 436.9 309.6 437.0 0.00 34 71 18124 -66.1 -88.1 3 22.0 -66.3 296 36 441.2 441.2 310.0 441.2 0.00 35 70 18210 -65.7 -87.7 3 22.0 -65.9 295 36 443.8 443.8 310.3 443.8 0.00 36 64 18756 -64.9 -87.9 3 23.0 -65.1 295 37 457.1 457.1 311.5 457.1 0.00 37 58 19352 -68.1 -89.1 3 21.0 -68.3 295 37 462.9 462.9 312.0 462.9 0.00 38 50 20250 -65.3 -89.3 2 24.0 -65.6 295 38 489.6 489.6 314.2 489.6 0.00 39 48 20499 -64.7 -88.7 2 24.0 -65.0 496.8 496.8 314.7 496.8 0.00 40 39 21756 -68.3 -90.3 3 22.0 -68.5 518.1 518.1 316.2 518.1 0.00 TRP 201 11780 -68.7 -73.7 48 5.0 -68.7 275 64 323.5 323.5 289.8 323.5 0.01 WND 182 12374 -67.5 -76.8 26 9.3 -67.5 295 68 334.8 334.8 293.0 334.8 0.01 Sounding variables and indices 1000-500 mb thick: 5511.00 m Freezing level: 735.48 mb = 2687.34 m = 8816.63 ft Wetbulb zero: 736.92 mb = 2668.70 m = 8755.47 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 87.68 % Est. max temperature: 18.67 C = 65.60 F Sfc-Lift cond lev (LCL): 932.40 mb = 744.41 m = 2442.26 ft T: 9.74 C 700-500 lapse rate: 5.64 C/km ThetaE index: 4.09 C Layer 700.0- 549.0 mb Conv cond level (CCL): 890.14 mb = 1128.14 m = 3701.19 ft Mean mixing ratio: 7.41 g/kg Conv temperature: 15.76 C = 60.36 F Cap Strength: 4.52 C Lifted Index: 5.50 C Risk: None Lifted Index @300 mb: 6.30 C Lifted Index @700 mb: 1.87 C Showalter Index: 4.38 C Risk: None Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.70 C K Index: 28.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 158.20 Risk: None Energy Index: 0.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.43 J/kg Max Up Vert Vel: 5.56 m/s Conv Inhibition (B-): 23879.13 J/kg Cap Strength: 5.38 C Lift Cond Lev (LCL): 912.94 mb = 919.37 m = 3016.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 22 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 ---------------------------------------------------------- 0 983 303 180 5 0.0 5.0 | 126 24 -19.7 14.5 1 925 811 245 25 22.7 10.6 | 188 20 2.9 20.1 2 850 1509 260 29 28.6 5.0 | 211 17 8.8 14.5 3 700 3080 270 29 29.0 -0.0 | 224 13 9.3 9.5 4 500 5670 270 33 33.0 -0.0 | 234 16 13.3 9.5 5 400 7300 270 44 44.0 -0.0 | 249 26 24.3 9.5 6 300 9270 295 60 54.4 -25.4 | 295 38 34.7 -15.9 7 250 10450 290 60 56.4 -20.5 | 287 38 36.7 -11.0 8 201 11780 275 64 63.8 -5.6 | 265 44 44.0 3.9 9 200 11810 280 64 63.0 -11.1 | 272 43 43.3 -1.6 10 182 12374 295 68 61.6 -28.7 | 295 46 41.9 -19.2 11 150 13550 280 52 51.2 -9.0 | 269 31 31.5 0.5 12 100 16030 310 38 29.1 -24.4 | 328 18 9.4 -14.9 13 70 18210 295 36 32.6 -15.2 | 294 14 12.9 -5.7 14 50 20250 295 38 34.4 -16.1 | 294 16 14.7 -6.6 Wind Parameters Mean winds (0-6000m): 265.7 at 29.2 knts Storm direction: 295.7 at 21.9 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 99.0 deg Storm rel helicity (0-3000m) pos: 212.5 neg: 0.0 tot: 212.5 m^2/s^2 ave: 70.8 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 6.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.36 Bulk Shear: 43.13 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 ------------------------------------------------------------------------------- 500 235 15 157 19| 23.6 0.0 23.6|158.7 0.0 158.7 317.4 0.97| 26.9 26.0 1000 245 21 177 18| 13.9 0.0 13.9|187.3 0.0 187.3 187.3 0.96| 16.6 15.9 1500 251 23 188 17| 9.8 0.0 9.8|200.8 0.0 200.8 133.8 0.95| 12.3 11.6 2000 255 25 195 16| 7.5 0.0 7.5|205.2 0.0 205.2 102.6 0.93| 9.6 9.0 2500 258 26 200 16| 6.0 0.0 6.0|209.4 0.0 209.4 83.8 0.92| 8.0 7.4 3000 260 26 203 15| 5.1 0.0 5.1|212.5 0.0 212.5 70.8 0.92| 6.9 6.3 4000 263 27 209 15| 3.8 0.2 4.0|216.4 0.0 216.4 54.1 0.91| 5.4 4.9 5000 265 28 214 15| 3.1 0.3 3.4|220.3 0.0 220.3 44.1 0.90| 4.4 4.0 6000 266 29 219 15| 2.6 0.7 3.2|232.5 0.0 232.5 38.7 0.86| 4.1 3.6 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251208.23.gif