UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:2300Z 17 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 56 SFC 971 308 16.8 10.8 68 6.0 13.2 220 1 292.4 293.9 287.5 316.4 8.40 2 925 721 14.2 10.1 76 4.1 11.7 170 21 293.8 295.3 288.1 318.0 8.41 3 850 1431 10.4 5.6 72 4.8 7.8 200 23 297.0 298.3 287.6 316.7 6.72 4 761 2345 5.6 -1.4 61 7.0 2.2 177 21 301.4 302.2 287.1 315.1 4.54 5 701 3011 0.2 -2.7 81 2.9 -1.2 160 19 302.6 303.4 287.5 316.2 4.47 6 700 3022 0.2 -2.7 81 2.9 -1.2 160 19 302.7 303.5 287.5 316.3 4.48 7 670 3372 -1.9 -6.3 72 4.4 -3.8 161 21 304.2 304.8 287.1 315.2 3.56 8 612 4088 -5.1 -16.1 42 11.0 -8.8 162 27 308.5 308.8 286.8 314.2 1.78 9 551 4903 -11.5 -23.5 36 12.0 -14.6 164 33 310.3 310.5 286.6 313.8 1.04 10 500 5640 -17.5 -25.5 50 8.0 -19.3 165 38 311.7 311.9 287.1 314.9 0.96 11 497 5685 -17.9 -25.9 50 8.0 -19.7 165 38 311.8 311.9 287.1 314.9 0.93 12 493 5745 -18.5 -23.4 65 4.9 -19.7 165 39 311.7 312.0 287.3 315.7 1.18 13 492 5760 -18.7 -21.1 81 2.4 -19.3 165 39 311.7 311.9 287.6 316.5 1.44 14 447 6467 -23.3 -25.5 82 2.2 -23.8 162 46 314.6 314.8 288.2 318.2 1.07 15 424 6851 -25.5 -29.5 69 4.0 -26.2 161 50 316.5 316.7 288.5 319.2 0.78 16 400 7270 -28.7 -33.2 65 4.5 -29.3 160 54 317.7 317.8 288.6 319.7 0.58 17 345 8311 -37.3 -44.3 48 7.0 -37.8 157 68 319.8 319.8 288.9 320.6 0.22 18 301 9238 -45.7 -50.7 57 5.0 -45.9 155 81 320.6 320.7 289.1 321.1 0.12 19 300 9260 -45.9 -50.9 57 5.0 -46.1 155 81 320.7 320.7 289.1 321.1 0.12 20 298 9305 -46.3 -52.3 51 6.0 -46.6 156 81 320.7 320.7 289.1 321.1 0.10 21 293 9417 -46.9 -55.9 35 9.0 -47.2 157 83 321.4 321.4 289.3 321.7 0.07 22 282 9670 -49.1 -53.9 57 4.8 -49.3 160 85 321.8 321.8 289.4 322.2 0.09 23 279 9740 -49.7 -53.3 66 3.6 -49.8 161 84 321.9 321.9 289.5 322.3 0.10 24 273 9882 -50.9 -62.9 23 12.0 -51.1 163 83 322.2 322.2 289.5 322.3 0.03 25 250 10450 -55.5 -61.5 47 6.0 -55.6 170 77 323.6 323.6 289.9 323.7 0.04 26 242 10656 -56.5 -62.5 47 6.0 -56.6 167 71 325.1 325.1 290.3 325.2 0.04 27 225 11113 -58.1 -67.1 31 9.0 -58.2 160 56 329.5 329.5 291.6 329.6 0.02 28 218 11313 -53.9 -74.9 6 21.0 -54.2 156 51 339.0 339.0 294.1 339.0 0.01 29 200 11860 -56.7 -76.7 6 20.0 -56.9 145 38 343.0 343.0 295.0 343.0 0.01 30 198 11924 -56.7 -76.7 6 20.0 -56.9 146 37 344.0 344.0 295.3 344.0 0.01 31 184 12396 -51.1 -81.1 2 30.0 -51.5 154 34 360.3 360.3 298.8 360.4 0.00 32 161 13257 -56.5 -83.5 2 27.0 -56.8 168 27 365.3 365.3 299.7 365.3 0.00 33 150 13710 -53.5 -83.5 1 30.0 -53.9 175 23 377.9 377.9 301.9 377.9 0.00 34 140 14160 -46.7 -81.7 1 35.0 -47.7 175 22 397.4 397.4 304.9 397.4 0.00 35 110 15722 -56.5 -85.5 1 29.0 -56.9 175 20 407.3 407.3 306.2 407.3 0.00 36 100 16330 -53.9 -84.9 1 31.0 -54.5 175 19 423.6 423.6 308.2 423.6 0.00 37 73 18335 -58.9 -86.9 2 28.0 -59.3 215 7 452.9 452.9 311.1 452.9 0.00 38 70 18600 -57.9 -86.9 1 29.0 -58.5 220 5 460.5 460.5 311.8 460.5 0.00 39 60 19575 -56.1 -86.1 1 30.0 -56.9 176 10 485.3 485.3 313.8 485.3 0.00 40 50 20730 -57.5 -86.5 1 29.0 -58.3 125 15 508.0 508.0 315.5 508.0 0.00 41 40 22139 -58.1 -87.1 1 29.0 -59.0 116 14 539.9 539.9 317.5 540.0 0.00 42 34 23171 -55.1 -86.1 1 31.0 -56.5 110 13 573.5 573.5 319.3 573.6 0.01 43 30 23970 -55.5 -86.5 1 31.0 -57.0 105 13 593.3 593.3 320.3 593.4 0.01 44 21 26248 -54.1 -86.1 1 32.0 -56.4 96 24 661.3 661.3 323.1 661.4 0.01 45 20 26560 -54.9 -86.9 1 32.0 -57.1 95 25 668.1 668.1 323.3 668.2 0.01 46 17 27608 -51.1 -85.1 1 34.0 -54.6 102 25 712.1 712.1 324.8 712.2 0.02 47 12 29861 -53.5 -86.5 1 33.0 -57.2 117 26 778.2 778.2 326.7 778.3 0.02 48 10 31050 -47.5 -84.5 1 37.0 -54.1 125 27 842.2 842.3 328.2 842.5 0.03 49 8.2 32370 -44.5 -82.5 1 38.0 -53.3 903.3 903.3 329.5 903.8 0.05 50 6.0 34463 -44.3 -83.3 1 39.0 -54.6 988.6 988.6 331.0 989.3 0.06 TRP 225 11113 -58.1 -67.1 31 9.0 -58.2 160 56 329.5 329.5 291.6 329.6 0.02 WND 282 9670 -49.1 -53.9 57 4.8 -49.3 160 85 321.8 321.8 289.4 322.2 0.09 Sounding variables and indices 1000-500 mb thick: 5584.00 m Freezing level: 697.14 mb = 3055.32 m = 10023.88 ft Wetbulb zero: 721.70 mb = 2774.59 m = 9102.89 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 59.96 % Est. max temperature: 22.76 C = 72.97 F Sfc-Lift cond lev (LCL): 887.79 mb = 1065.72 m = 3496.42 ft T: 12.36 C 700-500 lapse rate: 6.76 C/km ThetaE index: 2.89 C Layer 850.0- 701.0 mb Conv cond level (CCL): 788.12 mb = 2055.39 m = 6743.34 ft Mean mixing ratio: 8.07 g/kg Conv temperature: 24.36 C = 75.85 F Cap Strength: 2.47 C Lifted Index: 0.35 C Risk: Showers probable Lifted Index @300 mb: 2.71 C Lifted Index @700 mb: 0.88 C Showalter Index: 0.76 C Risk: Thunderstorms probable Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 23.10 C K Index: 30.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 191.20 Risk: None Energy Index: -0.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.27 J/kg Max Up Vert Vel: 5.34 m/s Conv Inhibition (B-): 68843.79 J/kg Cap Strength: 2.45 C Lift Cond Lev (LCL): 857.85 mb = 1353.77 m = 4441.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 199 at 20 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 ---------------------------------------------------------- 0 971 308 220 1 0.6 0.8 | 18 19 -5.9 -17.7 1 925 721 170 21 -3.6 20.7 | 102 10 -10.2 2.2 2 850 1431 200 23 7.9 21.6 | 203 3 1.3 3.1 3 700 3022 160 19 -6.5 17.9 | 87 13 -13.0 -0.6 4 500 5640 165 38 -9.8 36.7 | 138 24 -16.4 18.2 5 400 7270 160 54 -18.5 50.7 | 142 41 -25.0 32.3 6 300 9260 155 81 -34.2 73.4 | 143 68 -40.8 54.9 7 282 9670 160 85 -29.1 79.9 | 150 71 -35.6 61.4 8 250 10450 170 77 -13.4 75.8 | 161 61 -19.9 57.3 9 225 11113 160 56 -19.2 52.6 | 143 43 -25.7 34.1 10 200 11860 145 38 -21.8 31.1 | 114 31 -28.3 12.6 11 150 13710 175 23 -2.0 22.9 | 117 10 -8.5 4.4 12 100 16330 175 19 -1.7 18.9 | 93 8 -8.2 0.4 13 70 18600 220 5 3.2 3.8 | 13 15 -3.3 -14.7 14 50 20730 125 15 -12.3 8.6 | 62 21 -18.8 -9.9 15 30 23970 105 13 -12.6 3.4 | 52 24 -19.1 -15.1 16 20 26560 95 25 -24.9 2.2 | 63 35 -31.4 -16.3 17 10 31050 125 27 -22.1 15.5 | 84 29 -28.6 -3.0 Wind Parameters Mean winds (0-6000m): 169.4 at 26.1 knts Storm direction: 199.4 at 19.6 knts Shear (0-3000m) pos: 1.4 neg: 4.1 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 77.4 deg Storm rel helicity (0-3000m) pos: 43.2 neg: -20.3 tot: 22.9 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.60 Bulk Shear: 23.93 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 ------------------------------------------------------------------------------- 500 172 13 55 10| 0.0 21.2 21.2| 26.3 -3.0 23.4 46.7 0.53| 23.8 12.7 1000 180 17 80 7| 4.2 10.6 14.8| 34.9 -3.0 31.9 31.9 0.57| 16.2 9.3 1500 186 19 96 4| 2.8 7.1 9.9| 36.4 -5.9 30.5 20.3 0.45| 12.5 5.6 2000 186 20 104 5| 2.1 5.5 7.6| 36.4 -10.8 25.6 12.8 0.32| 10.7 3.4 2500 184 20 104 5| 1.7 4.5 6.2| 36.4 -17.1 19.3 7.7 0.23| 9.5 2.2 3000 180 20 101 7| 1.4 4.1 5.5| 43.2 -20.3 22.9 7.6 0.23| 8.6 2.0 4000 175 21 106 9| 1.3 3.1 4.4| 68.4 -20.3 48.1 12.0 0.31| 7.4 2.3 5000 171 23 114 11| 1.7 2.5 4.2| 95.1 -20.3 74.8 15.0 0.36| 6.6 2.4 6000 169 26 123 13| 1.7 2.5 4.2|114.3 -20.3 94.0 15.7 0.35| 6.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250417.23.gif