UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041806.upa.cvt Date: 0600Z 18 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:0600Z 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 74 SFC 973 304 12.2 9.8 85 2.4 10.8 275 3 287.6 289.0 285.1 309.5 7.83 2 928 699 8.8 8.8 100 0.0 8.8 280 12 288.0 289.4 285.2 309.6 7.68 3 925 726 8.8 8.7 99 0.1 8.8 280 13 288.3 289.7 285.2 309.8 7.65 4 881 1130 8.2 8.2 100 0.0 8.2 182 7 291.7 293.1 286.7 313.9 7.76 5 850 1426 7.2 7.2 100 0.0 7.2 110 3 293.7 295.0 287.2 315.3 7.51 6 700 3002 -1.3 -1.3 100 0.0 -1.3 105 11 301.0 302.0 287.4 316.0 4.97 7 688 3140 -1.9 -2.3 97 0.4 -2.1 108 13 301.9 302.7 287.5 316.1 4.70 8 684 3186 -1.1 -2.2 92 1.1 -1.6 109 14 303.3 304.1 288.0 317.7 4.76 9 656 3518 -4.7 -5.3 96 0.6 -5.0 118 19 302.9 303.6 287.1 314.9 3.93 10 503 5555 -18.5 -20.9 81 2.4 -19.1 169 51 310.0 310.2 287.0 314.7 1.44 11 500 5600 -18.7 -21.1 81 2.4 -19.3 170 52 310.2 310.5 287.1 314.9 1.42 12 456 6281 -22.1 -24.8 79 2.7 -22.7 158 54 314.3 314.5 288.1 318.1 1.12 13 400 7230 -29.3 -30.8 87 1.5 -29.5 140 58 316.9 317.0 288.6 319.5 0.73 14 399 7248 -29.5 -30.9 88 1.4 -29.7 140 58 316.9 317.0 288.5 319.4 0.73 15 300 9210 -46.1 -51.1 57 5.0 -46.3 140 73 320.4 320.4 289.0 320.8 0.12 16 293 9367 -47.7 -53.7 50 6.0 -47.9 139 74 320.3 320.3 288.9 320.6 0.09 17 275 9784 -50.7 -59.7 34 9.0 -50.9 137 78 321.8 321.8 289.3 322.0 0.04 18 263 10074 -52.9 -60.5 39 7.6 -53.1 135 81 322.6 322.6 289.6 322.8 0.04 19 250 10400 -55.5 -61.5 47 6.0 -55.6 140 79 323.6 323.6 289.9 323.7 0.04 20 240 10659 -57.1 -62.1 53 5.0 -57.2 145 77 324.9 325.0 290.3 325.1 0.04 21 227 11010 -57.7 -65.7 35 8.0 -57.8 143 59 329.2 329.3 291.5 329.3 0.02 22 210 11506 -52.7 -68.7 13 16.0 -53.0 141 35 344.5 344.5 295.4 344.5 0.02 23 200 11820 -53.5 -70.5 11 17.0 -53.8 140 19 348.0 348.0 296.2 348.1 0.01 24 184 12355 -52.3 -72.3 7 20.0 -52.7 179 16 358.4 358.4 298.4 358.4 0.01 25 174 12714 -53.9 -71.9 9 18.0 -54.2 205 14 361.5 361.5 299.0 361.6 0.01 26 165 13058 -47.7 -67.7 8 20.0 -48.4 230 12 377.4 377.4 301.9 377.6 0.03 27 150 13680 -51.3 -70.3 9 19.0 -51.8 275 9 381.7 381.7 302.5 381.8 0.02 28 139 14173 -53.9 -72.9 8 19.0 -54.3 262 10 385.5 385.5 303.1 385.6 0.01 29 113 15511 -51.7 -71.7 7 20.0 -52.4 226 13 413.1 413.1 306.9 413.2 0.02 30 100 16300 -54.5 -74.5 7 20.0 -55.1 205 15 422.4 422.4 308.0 422.5 0.02 31 94 16694 -56.3 -76.3 6 20.0 -56.8 184 14 426.4 426.4 308.4 426.5 0.01 32 87 17186 -54.9 -75.9 6 21.0 -55.5 158 13 438.8 438.8 309.7 438.9 0.01 33 74 18210 -58.3 -79.3 5 21.0 -58.7 104 10 452.4 452.4 311.1 452.5 0.01 34 70 18560 -57.5 -78.5 5 21.0 -58.0 85 9 461.4 461.4 311.9 461.4 0.01 35 50 20680 -57.5 -79.5 4 22.0 -58.2 245 7 508.0 508.0 315.5 508.1 0.01 36 31 23703 -58.1 -82.1 3 24.0 -59.2 109 22 580.8 580.8 319.7 580.9 0.02 37 30 23910 -57.5 -82.5 3 25.0 -58.7 100 23 587.9 587.9 320.0 588.0 0.01 38 20 26490 -54.9 -81.9 2 27.0 -57.1 125 17 668.1 668.1 323.4 668.3 0.02 39 14 28770 -54.9 -83.9 2 29.0 -57.8 739.9 739.9 325.7 740.1 0.02 40 13 29247 -51.9 -81.9 2 30.0 -55.9 766.1 766.1 326.4 766.4 0.04 41 12 29765 -52.3 -84.3 1 32.0 -56.4 782.4 782.5 326.8 782.7 0.03 TRP 240 10659 -57.1 -62.1 53 5.0 -57.2 145 77 324.9 325.0 290.3 325.1 0.04 WND 263 10074 -52.9 -60.5 39 7.6 -53.1 135 81 322.6 322.6 289.6 322.8 0.04 Sounding variables and indices 1000-500 mb thick: 5526.00 m Freezing level: 722.94 mb = 2760.96 m = 9058.17 ft Wetbulb zero: 723.28 mb = 2736.40 m = 8977.57 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 94.21 % Est. max temperature: 19.47 C = 67.04 F Sfc-Lift cond lev (LCL): 938.44 mb = 605.74 m = 1987.31 ft T: 9.60 C 700-500 lapse rate: 6.70 C/km Conv cond level (CCL): 929.58 mb = 684.92 m = 2247.08 ft Mean mixing ratio: 7.73 g/kg Conv temperature: 12.63 C = 54.74 F Cap Strength: 3.68 C Lifted Index: 3.02 C Risk: None Lifted Index @300 mb: 6.91 C Lifted Index @700 mb: 2.31 C Showalter Index: 0.38 C Risk: Thunderstorms probable Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 25.90 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 200.40 Risk: None Energy Index: -0.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.60 J/kg Max Up Vert Vel: 6.42 m/s Conv Inhibition (B-): 55443.77 J/kg Cap Strength: 3.68 C Lift Cond Lev (LCL): 914.02 mb = 824.97 m = 2706.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 190 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 ---------------------------------------------------------- 0 973 304 275 3 3.0 -0.3 | 360 18 0.0 -17.7 1 925 726 280 13 12.8 -2.3 | 334 22 9.8 -19.7 2 850 1426 110 3 -2.8 1.0 | 19 17 -5.8 -16.4 3 700 3002 105 11 -10.6 2.8 | 43 20 -13.6 -14.6 4 500 5600 170 52 -9.0 51.2 | 160 36 -12.0 33.8 5 400 7230 140 58 -37.3 44.4 | 124 48 -40.3 27.0 6 300 9210 140 73 -46.9 55.9 | 128 63 -49.9 38.5 7 263 10074 135 81 -57.3 57.3 | 123 72 -60.3 39.8 8 250 10400 140 79 -50.8 60.5 | 129 69 -53.8 43.1 9 240 10659 145 77 -44.2 63.1 | 134 66 -47.1 45.6 10 200 11820 140 19 -12.2 14.6 | 79 15 -15.2 -2.9 11 150 13680 275 9 9.0 -0.8 | 342 19 6.0 -18.2 12 100 16300 205 15 6.3 13.6 | 319 5 3.4 -3.9 13 70 18560 85 9 -9.0 -0.8 | 33 22 -11.9 -18.2 14 50 20680 245 7 6.3 3.0 | 347 15 3.4 -14.5 15 30 23910 100 23 -22.7 4.0 | 62 29 -25.6 -13.5 16 20 26490 125 17 -13.9 9.8 | 65 19 -16.9 -7.7 Wind Parameters Mean winds (0-6000m): 159.7 at 23.6 knts Storm direction: 189.7 at 17.7 knts Shear (0-3000m) pos: 1.0 neg: 2.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 57.0 deg Storm rel helicity (0-3000m) pos: 92.1 neg: -53.7 tot: 38.4 m^2/s^2 ave: 12.8 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 108.86 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 ------------------------------------------------------------------------------- 500 277 9 343 19| 0.0 9.3 9.3| 0.0 -49.9 -49.9 -99.8 -0.73| 13.9-10.1 1000 271 9 343 18| 0.0 3.7 3.7| 30.3 -49.9 -19.6 -19.6 0.02| 16.7 0.3 1500 275 7 347 19| 0.0 2.7 2.7| 37.7 -53.7 -16.0 -10.7 0.03| 12.5 0.4 2000 260 7 347 17| 0.0 2.7 2.7| 49.3 -53.7 -4.4 -2.2 0.09| 10.0 0.9 2500 132 7 33 15| 0.0 2.7 2.7| 60.7 -53.7 7.0 2.8 0.14| 8.6 1.2 3000 114 8 36 17| 1.0 2.2 3.2| 92.1 -53.7 38.4 12.8 0.25| 8.2 2.0 4000 128 12 50 16| 3.0 1.7 4.7|203.6 -53.7 150.0 37.5 0.45| 8.6 3.9 5000 151 18 80 12| 4.4 1.3 5.7|369.9 -53.7 316.2 63.2 0.58| 9.3 5.4 6000 160 24 113 12| 4.2 1.8 6.0|434.9-167.2 267.7 44.6 0.44| 9.4 4.1 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250418.06.gif