UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041811.upa.cvt Date: 1100Z 18 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:1100Z 18 APR 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 83 SFC 974 303 10.4 9.9 97 0.5 10.1 275 3 285.7 287.1 284.4 307.6 7.88 2 947 537 8.4 8.3 99 0.1 8.3 297 11 286.0 287.2 283.9 306.2 7.27 3 925 732 7.2 7.2 100 0.0 7.2 315 17 286.7 287.9 283.8 306.0 6.90 4 850 1425 3.8 3.8 100 0.0 3.8 340 13 290.1 291.2 284.2 307.0 5.92 5 836 1560 3.4 3.4 100 0.0 3.4 353 14 291.1 292.1 284.5 307.9 5.85 6 807 1847 3.6 3.6 100 0.0 3.6 20 15 294.3 295.4 286.1 312.1 6.15 7 700 2993 -1.7 -1.9 99 0.2 -1.8 130 21 300.6 301.5 287.1 314.9 4.75 8 599 4217 -8.5 -8.6 99 0.1 -8.5 142 27 306.4 307.0 287.7 316.8 3.33 9 556 4791 -12.7 -12.9 98 0.2 -12.8 147 31 308.1 308.5 287.5 316.2 2.55 10 540 5012 -15.3 -19.7 69 4.4 -16.5 149 32 307.5 307.8 286.2 312.4 1.48 11 529 5168 -16.3 -22.3 60 6.0 -17.8 151 33 308.2 308.4 286.1 312.1 1.21 12 500 5590 -18.7 -23.2 68 4.5 -19.7 155 35 310.2 310.5 286.8 314.2 1.18 13 462 6173 -23.3 -25.0 86 1.7 -23.7 151 47 311.6 311.8 287.2 315.2 1.09 14 444 6462 -25.3 -29.4 69 4.1 -26.0 150 53 312.6 312.8 287.2 315.2 0.75 15 435 6610 -26.1 -34.1 47 8.0 -27.2 149 56 313.5 313.5 287.1 315.2 0.49 16 433 6643 -26.1 -42.1 21 16.0 -27.9 149 56 313.9 313.9 287.0 314.7 0.22 17 411 7017 -29.5 -41.5 30 12.0 -30.7 146 64 314.2 314.2 287.1 315.1 0.24 18 400 7210 -31.1 -34.4 73 3.3 -31.5 145 68 314.6 314.7 287.5 316.4 0.52 19 399 7228 -31.3 -33.8 79 2.5 -31.6 145 68 314.5 314.6 287.6 316.5 0.55 20 386 7462 -33.3 -34.0 93 0.7 -33.4 144 70 314.9 315.0 287.7 316.9 0.56 21 369 7778 -34.5 -43.5 40 9.0 -35.3 142 73 317.4 317.4 288.2 318.2 0.22 22 361 7931 -35.7 -47.7 28 12.0 -36.5 141 75 317.8 317.8 288.2 318.3 0.14 23 343 8285 -38.9 -43.2 64 4.3 -39.2 140 78 318.1 318.2 288.4 319.0 0.24 24 319 8779 -43.3 -50.3 46 7.0 -43.6 137 83 318.7 318.7 288.5 319.1 0.12 25 300 9190 -46.9 -51.4 60 4.5 -47.1 135 87 319.3 319.3 288.6 319.7 0.11 26 261 10096 -54.6 -58.0 66 3.4 -54.7 135 91 320.9 320.9 289.1 321.1 0.06 27 256 10219 -55.7 -58.9 67 3.2 -55.8 135 81 321.1 321.1 289.1 321.3 0.05 28 252 10319 -56.1 -63.1 41 7.0 -56.2 135 73 321.9 321.9 289.4 322.1 0.03 29 250 10370 -55.9 -66.9 24 11.0 -56.1 135 68 323.0 323.0 289.7 323.0 0.02 30 248 10421 -53.9 -71.9 9 18.0 -54.1 136 66 326.7 326.7 290.7 326.7 0.01 31 238 10685 -51.7 -75.7 4 24.0 -52.0 142 57 333.9 333.9 292.7 333.9 0.01 32 225 11050 -49.3 -74.3 4 25.0 -49.8 149 45 343.0 343.0 295.0 343.0 0.01 33 204 11690 -48.3 -79.3 2 31.0 -48.9 162 23 354.3 354.3 297.5 354.3 0.00 34 200 11820 -48.9 -79.9 2 31.0 -49.4 165 19 355.3 355.3 297.8 355.3 0.00 35 192 12087 -50.7 -80.7 2 30.0 -51.2 165 19 356.6 356.6 298.0 356.6 0.00 36 167 13001 -48.9 -80.9 1 32.0 -49.6 165 18 374.1 374.1 301.3 374.2 0.00 37 155 13488 -52.7 -82.7 1 30.0 -53.2 165 17 375.7 375.7 301.5 375.7 0.00 38 150 13700 -52.3 -83.3 1 31.0 -52.8 165 17 380.0 380.0 302.2 380.0 0.00 39 137 14288 -49.1 -82.1 1 33.0 -49.8 163 16 395.6 395.6 304.6 395.6 0.00 40 102 16193 -54.9 -84.9 1 30.0 -55.4 155 13 419.3 419.3 307.6 419.3 0.00 41 100 16320 -53.9 -84.9 1 31.0 -54.5 155 13 423.6 423.6 308.2 423.6 0.00 42 73 18324 -56.9 -85.9 1 29.0 -57.5 217 13 457.1 457.1 311.5 457.2 0.00 43 70 18590 -55.1 -86.1 1 31.0 -55.8 225 13 466.5 466.5 312.3 466.5 0.00 44 66 18968 -54.3 -85.3 1 31.0 -55.2 201 13 476.2 476.2 313.1 476.2 0.00 45 59 19682 -57.9 -86.9 1 29.0 -58.5 154 12 483.6 483.6 313.7 483.6 0.00 46 50 20730 -57.3 -87.3 1 30.0 -58.1 85 11 508.4 508.4 315.5 508.5 0.00 47 46 21256 -58.7 -87.7 1 29.0 -59.4 89 11 517.3 517.3 316.1 517.4 0.00 48 30 23980 -52.9 -85.9 1 33.0 -54.9 110 9 600.4 600.4 320.6 600.5 0.01 49 29 24199 -52.7 -85.7 1 33.0 -54.8 107 10 606.8 606.8 320.9 606.9 0.01 50 25 25149 -56.7 -86.7 1 30.0 -58.2 94 13 621.7 621.7 321.6 621.7 0.01 51 20 26570 -54.9 -86.9 1 32.0 -57.1 75 19 668.1 668.1 323.3 668.2 0.01 52 13 29363 -49.5 -84.5 1 35.0 -54.4 87 25 774.4 774.4 326.6 774.6 0.02 53 11 30454 -51.3 -85.3 1 34.0 -56.0 92 28 805.8 805.8 327.4 806.0 0.02 54 10 31080 -47.3 -84.3 1 37.0 -53.9 95 29 843.0 843.0 328.2 843.3 0.03 55 9.3 31563 -44.3 -84.3 0 40.0 -52.7 872.1 872.1 328.9 872.4 0.03 56 7.9 32656 -44.5 -83.5 1 39.0 -53.5 913.0 913.0 329.7 913.4 0.05 TRP 252 10319 -56.1 -63.1 41 7.0 -56.2 135 73 321.9 321.9 289.4 322.1 0.03 WND 261 10096 -54.6 -58.0 66 3.4 -54.7 135 91 320.9 320.9 289.1 321.1 0.06 Sounding variables and indices 1000-500 mb thick: 5507.00 m Freezing level: 734.32 mb = 2625.49 m = 8613.70 ft Wetbulb zero: 735.66 mb = 2592.74 m = 8506.27 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 94.47 % Est. max temperature: 17.03 C = 62.66 F Sfc-Lift cond lev (LCL): 966.73 mb = 365.63 m = 1199.55 ft T: 9.87 C 700-500 lapse rate: 6.55 C/km ThetaE index: 1.60 C Layer 947.0- 850.0 mb Conv cond level (CCL): 927.06 mb = 713.56 m = 2341.05 ft Mean mixing ratio: 6.94 g/kg Conv temperature: 11.30 C = 52.34 F Cap Strength: 5.69 C Lifted Index: 5.89 C Risk: None Lifted Index @300 mb: 9.27 C Lifted Index @700 mb: 4.20 C Showalter Index: 5.48 C Risk: None Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.50 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 106.60 Risk: None Energy Index: 1.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.81 J/kg Max Up Vert Vel: 5.44 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 5.81 C Lift Cond Lev (LCL): 921.83 mb = 760.14 m = 2493.86 ft Lev Free Conv (LFC): 916.83 mb = 804.71 m = 2640.10 ft Equ Level (EL): 886.83 mb = 1077.37 m = 3534.64 ft B at Equ Level: 14.79 J/kg Max Parcel Lev (MPL): 816.83 mb = 1748.77 m = 5737.36 ft Wind level data Storm motion: 174 at 18 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 ---------------------------------------------------------- 0 974 303 275 3 3.0 -0.3 | 345 19 4.8 -18.4 1 925 732 315 17 12.0 -12.0 | 335 33 13.8 -30.1 2 850 1425 340 13 4.4 -12.2 | 348 31 6.2 -30.3 3 700 2993 130 21 -16.1 13.5 | 72 15 -14.3 -4.6 4 500 5590 155 35 -14.8 31.7 | 136 19 -13.0 13.6 5 400 7210 145 68 -39.0 55.7 | 135 53 -37.2 37.6 6 300 9190 135 87 -61.5 61.5 | 126 74 -59.7 43.4 7 261 10096 135 91 -64.3 64.3 | 126 78 -62.6 46.2 8 252 10319 135 73 -51.6 51.6 | 124 60 -49.8 33.5 9 250 10370 135 68 -48.1 48.1 | 123 55 -46.3 30.0 10 200 11820 165 19 -4.9 18.4 | 95 3 -3.1 0.3 11 150 13700 165 17 -4.4 16.4 | 57 3 -2.6 -1.7 12 100 16320 155 13 -5.5 11.8 | 31 7 -3.7 -6.3 13 70 18590 225 13 9.2 9.2 | 309 14 11.0 -8.9 14 50 20730 85 11 -11.0 -1.0 | 26 21 -9.2 -19.1 15 30 23980 110 9 -8.5 3.1 | 24 16 -6.7 -15.0 16 20 26570 75 19 -18.4 -4.9 | 36 28 -16.6 -23.0 17 10 31080 95 29 -28.9 2.5 | 60 31 -27.1 -15.6 Wind Parameters Mean winds (0-6000m): 144.4 at 24.2 knts Storm direction: 174.4 at 18.2 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 94.4 deg Storm rel helicity (0-3000m) pos: 367.9 neg: -25.3 tot: 342.6 m^2/s^2 ave: 114.2 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 7.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.09 Bulk Shear: 161.91 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 ------------------------------------------------------------------------------- 500 311 11 338 27| 14.9 0.0 14.9| 15.5 -25.3 -9.8 -19.6 -0.16| 16.6 -2.7 1000 319 13 340 30| 6.4 0.0 6.4| 61.3 -25.3 36.0 36.0 0.13| 11.2 1.4 1500 330 13 344 31| 5.4 0.0 5.4|145.4 -25.3 120.0 80.0 0.40| 11.0 4.4 2000 348 14 352 32| 5.2 0.0 5.2|255.4 -25.3 230.1 115.0 0.57| 11.8 6.7 2500 4 15 359 33| 4.7 0.0 4.7|339.6 -25.3 314.2 125.7 0.63| 12.7 8.0 3000 41 16 16 31| 4.3 0.0 4.3|367.9 -25.3 342.6 114.2 0.64| 12.0 7.7 4000 121 18 58 16| 3.9 0.0 3.9|395.6 -25.3 370.3 92.6 0.67| 9.9 6.7 5000 137 21 78 13| 3.6 0.0 3.6|427.4 -25.3 402.0 80.4 0.70| 8.7 6.1 6000 144 24 97 12| 3.5 0.9 4.4|441.8 -26.0 415.8 69.3 0.61| 8.7 5.3 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250418.11.gif