UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120623.upa.cvt Date: 2300Z 6 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:2300Z 6 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 113 SFC 977 302 3.2 1.1 86 2.1 2.2 140 3 278.2 278.9 276.6 289.8 4.24 2 950 531 4.4 2.8 89 1.6 3.7 191 11 281.7 282.5 279.2 295.3 4.92 3 925 748 2.8 2.8 100 0.0 2.8 240 19 282.2 283.0 279.7 296.2 5.06 4 894 1023 1.0 1.0 100 0.0 1.0 246 21 283.1 283.9 279.5 295.9 4.60 5 891 1050 2.6 1.5 92 1.1 2.1 247 21 285.0 285.8 280.7 298.5 4.78 6 868 1262 2.2 -0.2 84 2.4 1.1 251 22 286.7 287.5 280.9 299.1 4.34 7 850 1431 1.2 -0.9 86 2.1 0.3 255 23 287.4 288.1 281.1 299.4 4.21 8 700 2969 -8.1 -10.5 83 2.4 -8.9 250 29 293.5 294.0 281.7 300.9 2.45 9 635 3719 -12.9 -17.1 71 4.2 -14.0 241 30 296.3 296.6 281.8 301.2 1.57 10 632 3755 -12.7 -20.7 51 8.0 -14.7 241 30 297.0 297.2 281.6 300.6 1.16 11 613 3988 -14.3 -28.3 29 14.0 -17.0 238 31 297.7 297.8 281.2 299.7 0.61 12 601 4137 -15.3 -31.3 24 16.0 -18.1 236 31 298.3 298.4 281.3 299.8 0.47 13 548 4828 -20.5 -26.5 59 6.0 -21.6 228 32 300.1 300.2 282.4 302.7 0.80 14 500 5500 -25.3 -33.3 47 8.0 -26.4 220 33 302.2 302.3 282.9 303.7 0.46 15 447 6303 -31.5 -46.5 21 15.0 -32.6 212 42 304.2 304.3 283.2 304.7 0.13 16 404 7011 -36.1 -40.1 67 4.0 -36.4 206 49 307.2 307.2 284.7 308.2 0.29 17 400 7080 -36.7 -40.7 66 4.0 -37.0 205 50 307.3 307.3 284.7 308.3 0.27 18 391 7237 -38.3 -40.8 77 2.5 -38.5 205 51 307.2 307.3 284.7 308.2 0.28 19 346 8062 -45.7 -49.4 66 3.7 -45.9 202 54 308.1 308.1 284.8 308.6 0.12 20 332 8335 -47.3 -53.3 50 6.0 -47.5 202 55 309.6 309.6 285.2 309.9 0.08 21 330 8375 -47.5 -55.5 39 8.0 -47.7 202 55 309.8 309.9 285.4 310.1 0.06 22 328 8415 -46.7 -60.7 19 14.0 -47.0 202 56 311.5 311.5 285.9 311.6 0.03 23 300 9000 -50.7 -62.7 23 12.0 -51.0 200 58 313.9 313.9 286.8 314.0 0.03 24 285 9333 -53.3 -63.7 27 10.4 -53.5 195 62 314.8 314.8 287.1 314.9 0.03 25 273 9609 -55.5 -64.5 32 9.0 -55.6 203 53 315.5 315.5 287.3 315.6 0.02 26 261 9896 -55.7 -71.7 12 16.0 -55.9 212 45 319.3 319.3 288.5 319.3 0.01 27 250 10170 -55.9 -73.9 9 18.0 -56.1 220 36 323.0 323.0 289.7 323.0 0.01 28 237 10511 -57.5 -73.5 11 16.0 -57.6 230 27 325.5 325.5 290.5 325.5 0.01 29 209 11311 -56.5 -79.5 4 23.0 -56.7 223 20 339.0 339.0 294.1 339.0 0.00 30 200 11590 -58.7 -79.7 5 21.0 -58.9 220 17 339.8 339.8 294.3 339.8 0.00 31 197 11685 -59.3 -80.3 5 21.0 -59.5 224 18 340.3 340.3 294.4 340.3 0.00 32 162 12921 -54.7 -82.7 2 28.0 -55.1 271 24 367.6 367.6 300.1 367.7 0.00 33 150 13410 -57.1 -83.1 2 26.0 -57.4 290 27 371.7 371.7 300.9 371.7 0.00 34 108 15451 -65.1 -86.1 4 21.0 -65.3 298 32 393.2 393.2 304.3 393.2 0.00 35 100 15920 -65.3 -86.3 4 21.0 -65.4 300 33 401.6 401.6 305.4 401.6 0.00 36 94 16297 -63.9 -85.9 3 22.0 -64.1 301 33 411.5 411.5 306.7 411.5 0.00 37 70 18090 -65.7 -87.7 3 22.0 -65.9 305 33 443.8 443.8 310.3 443.8 0.00 38 63 18728 -68.3 -88.3 4 20.0 -68.5 303 37 451.7 451.7 311.0 451.7 0.00 39 50 20110 -70.3 -89.3 5 19.0 -70.5 300 46 477.8 477.8 313.2 477.8 0.00 40 43 21001 -71.5 -90.5 4 19.0 -71.6 294 51 495.9 495.9 314.7 495.9 0.00 41 38 21737 -67.9 -89.9 3 22.0 -68.2 289 55 523.0 523.0 316.5 523.0 0.00 42 30 23150 -69.5 -91.5 3 22.0 -69.8 280 62 555.2 555.2 318.4 555.2 0.00 43 20 25570 -69.9 -91.9 3 22.0 -70.3 285 85 622.2 622.2 321.6 622.2 0.00 44 19 25873 -70.5 -92.5 3 22.0 -70.9 284 84 629.5 629.5 321.9 629.6 0.00 45 15 27279 -68.1 -92.1 2 24.0 -68.7 281 80 681.5 681.6 323.8 681.6 0.01 46 14 27688 -71.3 -93.3 2 22.0 -71.8 280 79 684.3 684.3 323.9 684.3 0.00 47 11 29121 -68.1 -93.1 2 25.0 -68.9 276 75 744.8 744.8 325.8 744.8 0.01 48 10 29690 -69.1 -94.1 2 25.0 -69.9 275 73 761.6 761.6 326.3 761.7 0.01 49 9.1 30252 -70.1 -94.1 2 24.0 -70.9 778.6 778.6 326.7 778.6 0.01 50 7.4 31503 -63.1 -90.1 1 27.0 -65.2 854.5 854.5 328.5 854.7 0.02 51 6.5 32299 -64.5 -91.5 1 27.0 -66.5 880.9 880.9 329.0 881.0 0.01 TRP 237 10511 -57.5 -73.5 11 16.0 -57.6 230 27 325.5 325.5 290.5 325.5 0.01 WND 285 9333 -53.3 -63.7 27 10.4 -53.5 195 62 314.8 314.8 287.1 314.9 0.03 Sounding variables and indices 1000-500 mb thick: 5387.00 m Freezing level: 830.65 mb = 1629.45 m = 5345.91 ft Wetbulb zero: 845.86 mb = 1469.71 m = 4821.83 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 70.73 % Est. max temperature: 13.22 C = 55.79 F Sfc-Lift cond lev (LCL): 945.70 mb = 567.74 m = 1862.64 ft T: 4.13 C 700-500 lapse rate: 6.80 C/km ThetaE index: 0.28 C Layer 894.0- 891.0 mb Conv cond level (CCL): 905.62 mb = 918.93 m = 3014.84 ft Mean mixing ratio: 4.77 g/kg Conv temperature: 7.71 C = 45.88 F Cap Strength: 5.96 C Lifted Index: 6.85 C Risk: None Lifted Index @300 mb: 13.09 C Lifted Index @700 mb: 4.01 C Showalter Index: 4.04 C Risk: None Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 24.40 C K Index: 23.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 117.00 Risk: None Energy Index: 0.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.71 J/kg Max Up Vert Vel: 6.44 m/s Conv Inhibition (B-): 54042.74 J/kg Cap Strength: 6.81 C Lift Cond Lev (LCL): 912.68 mb = 856.31 m = 2809.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 21 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 ---------------------------------------------------------- 0 977 302 140 3 -1.9 2.3 | 92 23 -23.0 0.8 1 925 748 240 19 16.5 9.5 | 150 9 -4.6 8.0 2 850 1431 255 23 22.2 6.0 | 195 5 1.2 4.5 3 700 2969 250 29 27.3 9.9 | 216 10 6.2 8.5 4 500 5500 220 33 21.2 25.3 | 180 24 0.2 23.8 5 400 7080 205 50 21.1 45.3 | 180 44 0.1 43.8 6 300 9000 200 58 19.8 54.5 | 179 53 -1.2 53.0 7 285 9333 195 62 16.0 59.9 | 175 59 -5.0 58.4 8 250 10170 220 36 23.1 27.6 | 185 26 2.1 26.1 9 237 10511 230 27 20.7 17.4 | 179 16 -0.4 15.9 10 200 11590 220 17 10.9 13.0 | 139 15 -10.1 11.6 11 150 13410 290 27 25.4 -9.2 | 338 12 4.3 -10.7 12 100 15920 300 33 28.6 -16.5 | 337 19 7.5 -18.0 13 70 18090 305 33 27.0 -18.9 | 344 21 6.0 -20.4 14 50 20110 300 46 39.8 -23.0 | 322 31 18.8 -24.5 15 30 23150 280 62 61.1 -10.8 | 287 42 40.0 -12.2 16 20 25570 285 85 82.1 -22.0 | 291 65 61.1 -23.5 17 10 29690 275 73 72.7 -6.4 | 279 52 51.7 -7.8 Wind Parameters Mean winds (0-6000m): 236.0 at 28.1 knts Storm direction: 266.0 at 21.1 knts Shear (0-3000m) pos: 4.4 neg: 1.1 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 117.4 deg Storm rel helicity (0-3000m) pos: 108.6 neg: -3.8 tot: 104.7 m^2/s^2 ave: 34.9 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.59 Bulk Shear: 35.13 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 ------------------------------------------------------------------------------- 500 233 12 116 13| 20.7 0.0 20.7| 96.4 0.0 96.4 192.8 0.74| 26.6 19.7 1000 242 16 133 9| 12.1 0.0 12.1|102.8 0.0 102.8 102.8 0.73| 15.9 11.6 1500 247 19 146 7| 8.8 0.0 8.8|105.5 0.0 105.5 70.3 0.73| 11.5 8.5 2000 249 20 161 6| 6.6 0.5 7.2|107.0 0.0 107.0 53.5 0.72| 9.2 6.6 2500 250 22 175 6| 5.3 0.9 6.2|108.4 0.0 108.4 43.3 0.69| 7.8 5.4 3000 250 23 184 7| 4.4 1.1 5.5|108.6 -3.8 104.7 34.9 0.61| 6.9 4.3 4000 247 25 192 9| 3.3 1.5 4.8|108.6 -18.9 89.7 22.4 0.45| 6.0 2.7 5000 242 26 191 11| 2.7 1.8 4.4|108.6 -40.2 68.4 13.7 0.32| 5.5 1.7 6000 236 28 189 14| 2.2 2.4 4.6|114.3 -45.6 68.7 11.4 0.26| 5.6 1.5 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251206.23.gif