UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102811.upa.cvt Date: 1100Z 28 OCT 25 Searching for LK520... Searching the city database file for: LK520 ... Date:1100Z 28 OCT 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 68 SFC 972 303 8.2 5.5 83 2.7 6.8 200 7 283.6 284.7 281.3 299.8 5.83 2 925 711 5.0 3.9 93 1.1 4.5 235 31 284.4 285.4 281.2 299.7 5.47 3 889 1034 2.6 2.6 100 0.0 2.6 251 42 285.2 286.1 281.3 299.8 5.19 4 850 1396 1.0 1.0 100 0.0 1.0 270 54 287.2 288.0 281.7 300.9 4.84 5 816 1724 0.2 0.2 100 0.0 0.2 274 54 289.7 290.6 282.7 303.4 4.76 6 805 1833 1.0 0.2 94 0.8 0.6 276 53 291.7 292.6 283.7 305.7 4.82 7 700 2945 -5.1 -5.3 98 0.2 -5.2 290 52 296.8 297.5 284.5 307.8 3.68 8 627 3801 -10.3 -10.6 98 0.3 -10.4 293 55 300.4 300.9 284.8 308.7 2.72 9 584 4343 -14.3 -14.8 96 0.5 -14.5 295 57 301.9 302.3 284.7 308.4 2.08 10 574 4473 -16.1 -23.1 55 7.0 -17.7 296 58 301.3 301.5 283.2 304.6 1.04 11 548 4821 -17.9 -20.7 79 2.8 -18.6 297 59 303.2 303.4 284.4 307.5 1.34 12 500 5500 -22.3 -24.9 79 2.6 -22.8 300 62 305.9 306.0 285.0 309.2 1.01 13 497 5544 -22.5 -24.9 81 2.4 -23.0 300 63 306.1 306.3 285.1 309.5 1.02 14 440 6425 -29.9 -31.8 83 1.9 -30.2 303 73 307.6 307.7 285.2 309.7 0.61 15 414 6857 -31.3 -33.5 81 2.2 -31.6 304 78 311.2 311.3 286.4 313.1 0.55 16 400 7100 -33.3 -35.7 79 2.4 -33.6 305 81 311.7 311.8 286.5 313.3 0.46 17 307 8916 -45.9 -51.9 51 6.0 -46.2 310 111 318.6 318.6 288.4 318.9 0.10 18 300 9070 -47.3 -52.3 56 5.0 -47.5 310 114 318.7 318.7 288.4 319.1 0.10 19 274 9662 -52.5 -57.2 57 4.7 -52.6 306 118 319.5 319.5 288.6 319.8 0.06 20 264 9902 -54.0 -57.3 67 3.3 -54.1 305 120 320.8 320.8 289.0 321.0 0.06 21 262 9950 -54.3 -57.3 69 3.0 -54.4 306 119 321.0 321.0 289.1 321.3 0.06 22 251 10225 -55.1 -63.1 36 8.0 -55.2 310 116 323.8 323.8 289.9 323.9 0.03 23 250 10250 -55.1 -65.1 28 10.0 -55.2 310 116 324.1 324.2 290.0 324.2 0.02 24 249 10276 -55.3 -66.3 24 11.0 -55.5 310 116 324.2 324.2 290.0 324.3 0.02 25 238 10563 -56.5 -67.5 24 11.0 -56.6 310 110 326.6 326.6 290.7 326.7 0.02 26 229 10806 -57.3 -69.3 20 12.0 -57.5 310 106 329.0 329.0 291.5 329.1 0.01 27 208 11412 -58.1 -73.1 13 15.0 -58.3 303 91 337.0 337.0 293.6 337.0 0.01 28 200 11660 -56.7 -74.7 9 18.0 -56.9 300 85 343.0 343.0 295.0 343.0 0.01 29 187 12088 -55.5 -78.5 4 23.0 -55.8 301 75 351.6 351.6 297.0 351.6 0.00 30 175 12509 -57.5 -79.5 4 22.0 -57.8 302 65 355.0 355.0 297.7 355.0 0.00 31 163 12961 -54.3 -81.3 2 27.0 -54.6 304 54 367.7 367.7 300.1 367.7 0.00 32 150 13490 -57.9 -82.9 3 25.0 -58.2 305 42 370.3 370.3 300.6 370.3 0.00 33 129 14436 -60.5 -84.5 3 24.0 -60.7 303 42 382.0 382.0 302.6 382.0 0.00 34 100 16030 -58.9 -85.9 2 27.0 -59.2 300 42 413.9 413.9 307.0 413.9 0.00 35 84 17123 -58.5 -86.5 2 28.0 -58.9 288 38 435.9 435.9 309.4 435.9 0.00 36 70 18250 -65.1 -89.1 2 24.0 -65.3 275 33 445.1 445.1 310.4 445.1 0.00 37 69 18337 -65.1 -89.1 2 24.0 -65.3 274 33 446.9 446.9 310.6 447.0 0.00 38 57 19516 -58.5 -88.5 1 30.0 -59.1 263 32 487.0 487.0 314.0 487.0 0.00 39 50 20330 -62.7 -88.7 2 26.0 -63.1 255 31 495.7 495.7 314.7 495.7 0.00 40 48 20580 -63.5 -89.5 2 26.0 -63.9 256 31 499.6 499.6 314.9 499.7 0.00 41 34 22713 -59.5 -88.5 1 29.0 -60.4 263 33 562.0 562.0 318.8 562.0 0.00 42 30 23490 -62.3 -90.3 1 28.0 -63.0 265 33 574.8 574.8 319.4 574.8 0.00 43 27 24139 -65.5 -90.5 2 25.0 -66.0 264 35 583.4 583.4 319.8 583.4 0.00 44 21 25695 -59.5 -89.5 1 30.0 -60.8 261 39 645.0 645.0 322.5 645.0 0.01 45 20 26000 -61.1 -90.1 1 29.0 -62.3 260 40 649.1 649.2 322.6 649.2 0.01 46 19 26319 -61.3 -90.3 1 29.0 -62.5 260 43 658.1 658.1 323.0 658.2 0.01 47 17 27011 -60.1 -90.1 1 30.0 -61.6 260 49 683.2 683.2 323.9 683.3 0.01 48 16 27394 -54.7 -87.7 1 33.0 -57.4 260 53 712.8 712.8 324.8 712.9 0.01 49 13 28718 -56.7 -88.7 1 32.0 -59.3 260 64 749.5 749.5 325.9 749.6 0.01 50 10 30390 -54.5 -87.5 1 33.0 -58.3 260 79 816.1 816.1 327.6 816.3 0.02 51 9.3 30857 -52.3 -87.3 1 35.0 -57.1 841.6 841.6 328.2 841.8 0.02 52 6.7 32962 -55.7 -87.7 1 32.0 -60.2 910.1 910.1 329.6 910.4 0.03 53 6.2 33461 -51.7 -87.7 1 36.0 -58.2 947.7 947.7 330.3 947.9 0.03 54 5.6 34116 -54.7 -87.7 1 33.0 -60.2 962.4 962.5 330.5 962.7 0.03 55 5.1 34717 -53.1 -88.1 1 35.0 -59.6 995.8 995.8 331.1 996.1 0.03 56 4.8 35112 -48.7 -85.7 1 37.0 -57.6 1033.4 1033.5 331.7 1034.0 0.05 TRP 229 10806 -57.3 -69.3 20 12.0 -57.5 310 106 329.0 329.0 291.5 329.1 0.01 WND 264 9902 -54.0 -57.3 67 3.3 -54.1 305 120 320.8 320.8 289.0 321.0 0.06 Sounding variables and indices 1000-500 mb thick: 5432.00 m Freezing level: 787.79 mb = 2015.35 m = 6611.95 ft Wetbulb zero: 794.04 mb = 1942.16 m = 6371.85 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 91.55 % Est. max temperature: 13.77 C = 56.79 F Sfc-Lift cond lev (LCL): 932.75 mb = 642.30 m = 2107.24 ft T: 5.54 C 700-500 lapse rate: 6.73 C/km ThetaE index: 0.13 C Layer 925.0- 889.0 mb Conv cond level (CCL): 901.38 mb = 921.41 m = 3022.96 ft Mean mixing ratio: 5.44 g/kg Conv temperature: 9.47 C = 49.04 F Cap Strength: 5.63 C Lifted Index: 6.80 C Risk: None Lifted Index @300 mb: 13.47 C Lifted Index @700 mb: 4.43 C Showalter Index: 5.98 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 23.30 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 182.00 Risk: None Energy Index: 1.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.97 J/kg Max Up Vert Vel: 3.99 m/s Conv Inhibition (B-): 77880.91 J/kg Cap Strength: 6.65 C Lift Cond Lev (LCL): 905.73 mb = 882.22 m = 2894.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 40 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 ---------------------------------------------------------- 0 972 303 200 7 2.4 6.6 | 146 44 -24.3 36.4 1 925 711 235 31 25.4 17.8 | 178 48 -1.3 47.6 2 850 1396 270 54 54.0 -0.0 | 223 40 27.3 29.8 3 700 2945 290 52 48.9 -17.8 | 242 25 22.2 12.0 4 500 5500 300 62 53.7 -31.0 | 273 27 27.0 -1.2 5 400 7100 305 81 66.4 -46.5 | 293 43 39.7 -16.7 6 300 9070 310 114 87.3 -73.3 | 306 75 60.7 -43.5 7 264 9902 305 120 98.3 -68.8 | 299 82 71.6 -39.0 8 250 10250 310 116 88.9 -74.6 | 306 77 62.2 -44.8 9 229 10806 310 106 81.2 -68.1 | 305 67 54.5 -38.3 10 200 11660 300 85 73.6 -42.5 | 285 49 47.0 -12.7 11 150 13490 305 42 34.4 -24.1 | 234 10 7.7 5.7 12 100 16030 300 42 36.4 -21.0 | 228 13 9.7 8.8 13 70 18250 275 33 32.9 -2.9 | 193 28 6.2 26.9 14 50 20330 255 31 29.9 8.0 | 185 38 3.3 37.8 15 30 23490 265 33 32.9 2.9 | 191 33 6.2 32.7 16 20 26000 260 40 39.4 6.9 | 199 39 12.7 36.7 17 10 30390 260 79 77.8 13.7 | 230 67 51.1 43.5 Wind Parameters Mean winds (0-6000m): 288.2 at 53.3 knts Storm direction: 318.2 at 40.0 knts Shear (0-3000m) pos: 9.3 neg: 0.0 tot: 9.3 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 828.7 neg: 0.0 tot: 828.7 m^2/s^2 ave: 276.2 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 14.1 stream: 12.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.03 Bulk Shear: 271.84 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 ------------------------------------------------------------------------------- 500 231 21 167 44| 29.9 0.0 29.9|375.0 0.0 375.0 750.0 0.98| 31.8 31.2 1000 248 32 184 42| 24.9 0.0 24.9|666.1 0.0 666.1 666.1 0.98| 29.0 28.3 1500 259 39 198 39| 17.9 0.0 17.9|752.0 0.0 752.0 501.4 0.95| 22.8 21.7 2000 266 43 206 37| 13.4 0.0 13.4|783.2 0.0 783.2 391.6 0.92| 18.7 17.1 2500 270 45 211 35| 10.8 0.0 10.8|809.3 0.0 809.3 323.7 0.89| 16.2 14.4 3000 274 46 216 33| 9.3 0.0 9.3|828.7 0.0 828.7 276.2 0.89| 14.1 12.5 4000 280 48 224 30| 7.5 0.0 7.5|865.2 0.0 865.2 216.3 0.90| 11.3 10.1 5000 284 51 233 28| 6.5 0.0 6.5|903.5 0.0 903.5 180.7 0.90| 9.6 8.6 6000 288 53 241 27| 6.3 0.0 6.3|962.8 0.0 962.8 160.5 0.88| 8.9 7.8 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251028.11.gif