UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121023.upa.cvt Date: 2300Z 10 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:2300Z 10 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 199 SFC 987 307 8.4 6.5 88 1.9 7.4 282.6 283.7 281.1 299.6 6.15 2 954 588 7.0 6.4 96 0.6 6.7 283.9 285.0 282.0 301.5 6.32 3 944 675 8.0 6.3 89 1.7 7.1 285.8 286.9 282.8 303.6 6.35 4 925 843 7.0 6.4 96 0.6 6.7 315 21 286.5 287.6 283.3 304.8 6.52 5 913 950 6.2 6.2 100 0.0 6.2 312 20 286.7 287.9 283.4 305.0 6.52 6 850 1534 3.6 3.6 100 0.0 3.6 295 15 289.9 290.9 284.0 306.6 5.83 7 730 2758 -1.5 -2.6 92 1.1 -2.0 268 23 297.2 298.0 285.4 310.1 4.33 8 700 3091 -3.9 -3.9 100 0.0 -3.9 260 25 298.2 298.9 285.5 310.4 4.09 9 684 3273 -5.3 -5.5 98 0.2 -5.4 259 25 298.6 299.3 285.2 309.8 3.71 10 674 3389 -5.7 -5.7 100 0.0 -5.7 258 26 299.4 300.1 285.5 310.6 3.71 11 668 3459 -5.7 -10.7 68 5.0 -7.5 258 26 300.2 300.6 284.5 308.0 2.53 12 655 3613 -6.5 -8.5 86 2.0 -7.3 257 26 301.0 301.5 285.4 310.4 3.07 13 652 3649 -6.5 -12.5 62 6.0 -8.6 257 26 301.3 301.8 284.7 308.3 2.24 14 643 3758 -6.9 -7.7 94 0.8 -7.2 256 27 302.1 302.7 286.1 312.3 3.33 15 625 3979 -8.3 -9.9 88 1.6 -8.9 255 27 303.0 303.5 286.0 311.9 2.88 16 623 4004 -8.1 -15.1 57 7.0 -10.4 255 27 303.5 303.8 285.1 309.5 1.90 17 620 4042 -8.1 -16.1 53 8.0 -10.6 255 27 303.9 304.2 285.1 309.5 1.75 18 612 4143 -8.5 -11.7 78 3.2 -9.6 254 27 304.6 305.0 286.2 312.5 2.55 19 610 4168 -8.3 -9.5 91 1.2 -8.8 254 27 305.1 305.6 286.9 314.6 3.05 20 574 4638 -11.9 -12.0 99 0.1 -11.9 251 29 306.2 306.7 286.9 314.6 2.65 21 564 4772 -12.9 -13.1 98 0.2 -13.0 250 29 306.6 307.0 286.9 314.4 2.47 22 559 4840 -12.9 -16.4 75 3.5 -14.0 250 29 307.3 307.7 286.5 313.4 1.90 23 500 5680 -20.1 -20.2 99 0.1 -20.1 245 31 308.5 308.8 286.6 313.5 1.54 24 491 5814 -21.5 -22.0 96 0.5 -21.6 246 32 308.4 308.7 286.3 312.8 1.34 25 489 5844 -20.5 -30.5 40 10.0 -22.3 246 32 310.0 310.1 286.1 312.1 0.62 26 479 5997 -19.5 -38.5 17 19.0 -22.2 247 33 313.1 313.1 286.8 314.1 0.29 27 457 6344 -21.7 -43.7 12 22.0 -24.3 249 36 314.6 314.6 287.2 315.2 0.17 28 400 7310 -28.9 -49.9 11 21.0 -30.6 255 44 317.4 317.4 288.0 317.8 0.10 29 375 7768 -32.5 -57.5 6 25.0 -33.9 257 43 318.6 318.6 288.3 318.7 0.04 30 354 8172 -35.3 -41.3 54 6.0 -35.8 259 41 320.1 320.2 289.1 321.2 0.29 31 344 8370 -36.7 -42.7 54 6.0 -37.2 260 41 320.8 320.9 289.3 321.8 0.26 32 300 9300 -45.5 -48.2 74 2.7 -45.6 265 38 321.2 321.3 289.3 321.8 0.16 33 293 9457 -47.1 -49.1 80 2.0 -47.2 264 38 321.1 321.2 289.3 321.7 0.15 34 286 9617 -48.3 -53.3 56 5.0 -48.5 262 37 321.6 321.7 289.3 322.0 0.09 35 252 10439 -55.7 -58.3 73 2.6 -55.8 255 36 322.5 322.5 289.6 322.8 0.06 36 250 10490 -56.3 -59.1 71 2.8 -56.3 255 36 322.4 322.4 289.5 322.6 0.05 37 249 10515 -56.5 -60.5 61 4.0 -56.6 254 36 322.4 322.4 289.6 322.6 0.04 38 245 10618 -56.1 -72.1 12 16.0 -56.3 250 38 324.5 324.5 290.2 324.6 0.01 39 240 10749 -57.1 -69.1 20 12.0 -57.2 245 40 324.9 325.0 290.3 325.0 0.01 40 213 11503 -57.6 -73.6 11 15.9 -57.8 245 60 335.4 335.4 293.2 335.5 0.01 41 200 11900 -57.9 -75.9 8 18.0 -58.1 250 52 341.1 341.1 294.6 341.1 0.01 42 192 12155 -59.1 -77.1 8 18.0 -59.3 251 48 343.2 343.2 295.1 343.2 0.01 43 183 12458 -54.9 -79.9 3 25.0 -55.2 252 43 354.7 354.7 297.7 354.7 0.00 44 169 12965 -54.9 -81.9 2 27.0 -55.2 253 35 362.9 362.9 299.2 362.9 0.00 45 150 13720 -57.5 -85.5 2 28.0 -57.8 255 23 371.0 371.0 300.8 371.0 0.00 46 123 14959 -62.7 -86.7 3 24.0 -62.9 275 23 383.2 383.2 302.8 383.2 0.00 47 113 15485 -60.5 -86.5 2 26.0 -60.7 283 23 396.7 396.7 304.8 396.7 0.00 48 100 16240 -64.1 -87.1 3 23.0 -64.3 295 23 403.9 403.9 305.7 403.9 0.00 49 93 16683 -65.3 -87.3 3 22.0 -65.5 304 23 410.0 410.0 306.5 410.0 0.00 50 87 17091 -62.1 -86.1 3 24.0 -62.4 313 23 424.3 424.3 308.2 424.3 0.00 51 77 17840 -65.1 -87.1 3 22.0 -65.3 328 23 433.1 433.1 309.1 433.2 0.00 52 70 18420 -65.3 -88.3 3 23.0 -65.5 340 23 444.7 444.7 310.3 444.7 0.00 53 50 20470 -66.9 -89.9 3 23.0 -67.1 325 25 485.8 485.8 313.9 485.8 0.00 54 40 21816 -66.5 -90.5 2 24.0 -66.8 323 27 518.9 518.9 316.2 518.9 0.00 55 37 22290 -63.7 -89.7 2 26.0 -64.2 322 27 537.7 537.7 317.4 537.8 0.00 56 30 23570 -65.1 -90.1 2 25.0 -65.6 320 29 567.2 567.2 319.0 567.2 0.00 57 25 24681 -64.7 -90.7 2 26.0 -65.3 318 41 598.7 598.7 320.6 598.7 0.00 58 21 25757 -59.7 -88.7 1 29.0 -61.0 316 53 644.4 644.4 322.4 644.4 0.01 59 20 26060 -61.7 -89.7 1 28.0 -62.8 315 56 647.3 647.3 322.6 647.4 0.01 60 17 27059 -65.5 -90.5 2 25.0 -66.3 313 60 665.9 665.9 323.3 666.0 0.01 61 15 27820 -66.3 -91.3 2 25.0 -67.1 311 62 687.5 687.5 324.0 687.6 0.01 62 10 30290 -64.5 -90.5 2 26.0 -65.9 305 71 778.8 778.8 326.7 778.9 0.01 63 8.9 31004 -63.5 -91.5 1 28.0 -65.3 809.0 809.0 327.5 809.1 0.01 64 7.4 32144 -60.9 -88.9 1 28.0 -63.6 863.5 863.5 328.7 863.6 0.02 65 7.3 32229 -60.5 -89.5 1 29.0 -63.3 868.5 868.5 328.8 868.6 0.02 TRP 240 10749 -57.1 -69.1 20 12.0 -57.2 245 40 324.9 325.0 290.3 325.0 0.01 WND 213 11503 -57.6 -73.6 11 15.9 -57.8 245 60 335.4 335.4 293.2 335.5 0.01 Sounding variables and indices 1000-500 mb thick: 5481.00 m Freezing level: 765.29 mb = 2398.09 m = 7867.65 ft Wetbulb zero: 772.93 mb = 2298.53 m = 7541.03 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 92.22 % Est. max temperature: 16.42 C = 61.55 F Sfc-Lift cond lev (LCL): 958.81 mb = 546.71 m = 1793.64 ft T: 7.21 C 700-500 lapse rate: 6.26 C/km Conv cond level (CCL): 897.99 mb = 1085.62 m = 3561.70 ft Mean mixing ratio: 6.36 g/kg Conv temperature: 13.23 C = 55.82 F Cap Strength: 7.18 C Lifted Index: 6.60 C Risk: None Lifted Index @300 mb: 12.84 C Lifted Index @700 mb: 3.70 C Showalter Index: 4.40 C Risk: None Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 23.70 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 104.20 Risk: None Energy Index: 1.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.37 J/kg Max Up Vert Vel: 6.84 m/s Conv Inhibition (B-): 51730.27 J/kg Cap Strength: 7.14 C Lift Cond Lev (LCL): 924.67 mb = 845.93 m = 2775.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 at 19 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 ---------------------------------------------------------- 0 925 843 315 21 14.8 -14.8 | 19 9 -2.9 -8.4 1 850 1534 295 15 13.6 -6.3 | 91 4 -4.2 0.1 2 700 3091 260 25 24.6 4.3 | 212 13 6.9 10.8 3 500 5680 245 31 28.1 13.1 | 208 22 10.3 19.5 4 400 7310 255 44 42.5 11.4 | 234 30 24.7 17.8 5 300 9300 265 38 37.9 3.3 | 244 22 20.1 9.7 6 250 10490 255 36 34.8 9.3 | 227 23 17.0 15.8 7 240 10749 245 40 36.3 16.9 | 218 30 18.5 23.3 8 213 11503 245 60 54.4 25.4 | 229 48 36.6 31.8 9 200 11900 250 52 48.9 17.8 | 232 39 31.1 24.2 10 150 13720 255 23 22.2 6.0 | 200 13 4.5 12.4 11 100 16240 295 23 20.8 -9.7 | 317 5 3.1 -3.3 12 70 18420 340 23 7.9 -21.6 | 33 18 -9.9 -15.2 13 50 20470 325 25 14.3 -20.5 | 14 14 -3.4 -14.0 14 30 23570 320 29 18.6 -22.2 | 357 16 0.9 -15.8 15 20 26060 315 56 39.6 -39.6 | 327 40 21.8 -33.2 16 10 30290 305 71 58.2 -40.7 | 310 53 40.4 -34.3 Wind Parameters Mean winds (0-6000m): 259.9 at 25.2 knts Storm direction: 289.9 at 18.9 knts Storm rel Dir Shear (0-3000m): 167.4 deg Energy-Hel index: -1.46 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 NO DATA | | | 1000 309 19 29 6| | | 1500 303 17 46 4| | | 2000 296 18 55 2| | | 2500 287 19 186 1| | | 3000 280 20 211 3| | | 4000 271 22 214 7| | | 5000 265 23 213 10| | | 6000 260 25 213 13| | | Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251210.23.gif