UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120511.upa.cvt Date: 1100Z 5 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:1100Z 5 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 97 SFC 975 302 3.0 2.1 94 0.9 2.6 225 3 278.2 278.9 277.0 290.7 4.56 2 925 728 1.6 0.7 94 0.9 1.2 235 1 280.9 281.7 278.2 293.0 4.35 3 850 1406 -0.5 -0.8 98 0.3 -0.6 180 9 285.6 286.4 280.3 297.7 4.24 4 700 2944 -6.1 -6.4 98 0.3 -6.2 180 15 295.7 296.3 283.7 305.8 3.38 5 684 3125 -6.7 -6.9 98 0.2 -6.8 180 16 297.0 297.6 284.2 307.0 3.33 6 589 4277 -13.3 -14.7 89 1.4 -13.7 177 24 302.3 302.7 284.9 308.8 2.07 7 541 4918 -18.1 -18.5 97 0.4 -18.2 176 29 304.0 304.3 285.1 309.3 1.64 8 506 5413 -22.9 -34.9 33 12.0 -24.5 175 32 304.1 304.2 283.5 305.4 0.39 9 500 5500 -23.3 -35.3 32 12.0 -24.9 175 33 304.6 304.7 283.8 305.9 0.38 10 478 5828 -25.7 -37.7 32 12.0 -27.1 175 37 305.6 305.7 284.1 306.7 0.31 11 475 5874 -25.5 -29.8 67 4.3 -26.2 175 37 306.4 306.5 284.8 308.7 0.68 12 470 5951 -25.9 -39.9 26 14.0 -27.5 175 38 306.8 306.9 284.5 307.7 0.25 13 459 6122 -27.3 -44.3 18 17.0 -28.9 175 40 307.2 307.2 284.5 307.8 0.16 14 400 7100 -34.5 -37.8 72 3.3 -34.8 175 52 310.2 310.2 285.8 311.4 0.37 15 392 7241 -35.7 -38.6 75 2.9 -36.0 175 53 310.4 310.4 285.9 311.6 0.35 16 387 7330 -36.3 -40.0 69 3.7 -36.6 175 54 310.7 310.8 285.9 311.8 0.30 17 351 8000 -42.3 -45.4 72 3.1 -42.5 175 59 311.4 311.5 286.1 312.1 0.19 18 329 8434 -46.3 -53.3 45 7.0 -46.6 175 63 311.8 311.8 286.1 312.1 0.08 19 300 9040 -51.9 -56.9 55 5.0 -52.0 175 68 312.2 312.2 286.2 312.4 0.06 20 280 9481 -56.3 -59.3 69 3.0 -56.3 182 69 312.1 312.1 286.1 312.3 0.05 21 258 9995 -60.7 -64.7 59 4.0 -60.7 190 71 313.0 313.0 286.4 313.1 0.02 22 256 10043 -61.1 -65.2 58 4.1 -61.2 190 70 313.1 313.1 286.5 313.2 0.02 23 250 10190 -60.3 -65.0 54 4.7 -60.3 190 66 316.4 316.4 287.6 316.5 0.02 24 231 10678 -63.5 -67.1 61 3.6 -63.6 177 66 318.8 318.8 288.3 318.9 0.02 25 228 10758 -64.1 -68.7 53 4.6 -64.1 175 66 319.1 319.1 288.5 319.1 0.02 26 218 11032 -62.9 -75.9 16 13.0 -63.0 178 58 325.0 325.0 290.3 325.1 0.01 27 204 11439 -64.1 -77.1 15 13.0 -64.2 183 47 329.4 329.4 291.5 329.4 0.01 28 200 11560 -63.7 -78.7 11 15.0 -63.8 185 44 331.9 331.9 292.2 331.9 0.00 29 176 12353 -58.1 -82.1 3 24.0 -58.3 192 34 353.4 353.4 297.4 353.5 0.00 30 157 13066 -61.7 -83.7 4 22.0 -61.9 198 25 359.1 359.1 298.5 359.1 0.00 31 150 13350 -58.7 -83.7 3 25.0 -58.9 200 21 368.9 368.9 300.4 369.0 0.00 32 149 13392 -58.5 -83.5 3 25.0 -58.7 200 21 370.0 370.0 300.5 370.0 0.00 33 100 15870 -62.1 -86.1 3 24.0 -62.3 225 19 407.7 407.7 306.2 407.8 0.00 34 70 18060 -64.9 -87.9 3 23.0 -65.1 225 17 445.5 445.5 310.4 445.6 0.00 35 64 18606 -65.9 -88.9 3 23.0 -66.1 232 22 454.9 454.9 311.3 454.9 0.00 36 54 19641 -64.5 -88.5 2 24.0 -64.8 244 32 480.8 480.8 313.5 480.8 0.00 37 50 20110 -66.3 -89.3 3 23.0 -66.5 250 36 487.2 487.2 314.0 487.3 0.00 38 31 22957 -72.3 -92.3 3 20.0 -72.5 255 51 542.4 542.4 317.6 542.4 0.00 39 30 23150 -70.3 -92.3 3 22.0 -70.5 255 52 553.0 553.0 318.3 553.0 0.00 40 25 24234 -68.7 -91.7 2 23.0 -69.1 255 56 587.2 587.2 320.0 587.2 0.00 41 20 25560 -70.7 -92.7 2 22.0 -71.1 255 60 619.8 619.8 321.5 619.8 0.00 42 18 26182 -71.7 -93.7 2 22.0 -72.1 256 65 635.6 635.6 322.1 635.6 0.00 43 10 29700 -65.3 -93.3 1 28.0 -66.6 260 91 775.8 775.8 326.6 775.8 0.01 44 8.9 30411 -64.5 -92.5 1 28.0 -66.1 805.2 805.2 327.4 805.2 0.01 45 6.7 32130 -68.3 -94.3 1 26.0 -69.6 857.4 857.4 328.5 857.4 0.01 46 5.8 33001 -65.9 -92.9 1 27.0 -67.8 904.0 904.0 329.5 904.1 0.01 TRP 228 10758 -64.1 -68.7 53 4.6 -64.1 175 66 319.1 319.1 288.5 319.1 0.02 WND 258 9995 -60.7 -64.7 59 4.0 -60.7 190 71 313.0 313.0 286.4 313.1 0.02 Sounding variables and indices 1000-500 mb thick: 5403.00 m Freezing level: 867.86 mb = 1244.57 m = 4083.19 ft Wetbulb zero: 875.80 mb = 1166.27 m = 3826.31 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 91.23 % Est. max temperature: 11.94 C = 53.49 F Sfc-Lift cond lev (LCL): 961.53 mb = 414.77 m = 1360.77 ft T: 2.63 C 700-500 lapse rate: 6.73 C/km Conv cond level (CCL): 859.96 mb = 1312.58 m = 4306.32 ft Mean mixing ratio: 4.38 g/kg Conv temperature: 9.77 C = 49.58 F Cap Strength: 10.80 C Lifted Index: 10.52 C Risk: None Lifted Index @300 mb: 13.47 C Lifted Index @700 mb: 7.42 C Showalter Index: 7.32 C Risk: None Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.80 C Cross Totals Index: 22.50 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 51.00 Risk: None Energy Index: 1.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.59 J/kg Max Up Vert Vel: 6.72 m/s Conv Inhibition (B-): 56766.21 J/kg Cap Strength: 10.81 C Lift Cond Lev (LCL): 911.95 mb = 841.91 m = 2762.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 207 at 14 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 ---------------------------------------------------------- 0 975 302 225 3 2.1 2.1 | 23 12 -4.5 -10.7 1 925 728 235 1 0.8 0.6 | 25 14 -5.8 -12.3 2 850 1406 180 9 0.0 9.0 | 60 8 -6.6 -3.9 3 700 2944 180 15 0.0 15.0 | 108 7 -6.6 2.1 4 500 5500 175 33 -2.9 32.9 | 155 22 -9.5 20.0 5 400 7100 175 52 -4.5 51.8 | 164 41 -11.2 38.9 6 300 9040 175 68 -5.9 67.7 | 167 56 -12.5 54.9 7 258 9995 190 71 12.3 69.9 | 186 57 5.7 57.1 8 250 10190 190 66 11.5 65.0 | 185 52 4.8 52.1 9 228 10758 175 66 -5.8 65.7 | 167 54 -12.4 52.9 10 200 11560 185 44 3.8 43.8 | 175 31 -2.8 31.0 11 150 13350 200 21 7.2 19.7 | 185 7 0.6 6.9 12 100 15870 225 19 13.4 13.4 | 265 7 6.8 0.6 13 70 18060 225 17 12.0 12.0 | 279 5 5.4 -0.8 14 50 20110 250 36 33.8 12.3 | 271 27 27.2 -0.6 15 30 23150 255 52 50.2 13.5 | 269 44 43.6 0.6 16 20 25560 255 60 58.0 15.5 | 267 51 51.3 2.7 17 10 29700 260 91 89.6 15.8 | 268 83 83.0 2.9 Wind Parameters Mean winds (0-6000m): 177.2 at 19.3 knts Storm direction: 207.2 at 14.5 knts Shear (0-3000m) pos: 0.2 neg: 2.8 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 101.5 deg Storm rel helicity (0-3000m) pos: 27.8 neg: -1.1 tot: 26.7 m^2/s^2 ave: 8.9 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.52 Bulk Shear: 43.53 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 ------------------------------------------------------------------------------- 500 228 2 24 13| 1.2 0.0 1.2| 1.7 -0.8 1.0 2.0 0.11| 2.8 0.3 1000 202 3 29 11| 0.6 3.3 3.9| 9.5 -1.1 8.4 8.4 0.38| 4.9 1.9 1500 187 5 38 10| 0.4 3.2 3.6| 15.7 -1.1 14.6 9.7 0.53| 4.4 2.3 2000 184 7 46 9| 0.3 2.9 3.2| 19.1 -1.1 18.0 9.0 0.59| 3.8 2.2 2500 183 8 54 8| 0.2 2.7 3.0| 22.5 -1.1 21.4 8.6 0.63| 3.4 2.2 3000 182 9 62 7| 0.2 2.8 3.0| 27.8 -1.1 26.7 8.9 0.67| 3.4 2.3 4000 180 12 85 7| 0.1 3.0 3.2| 39.2 -1.1 38.1 9.5 0.64| 3.5 2.2 5000 178 16 112 8| 0.1 3.1 3.3| 49.0 -1.1 47.9 9.6 0.57| 3.5 2.0 6000 177 19 130 10| 0.1 3.6 3.7| 70.1 -1.1 69.0 11.5 0.50| 3.9 1.9 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251205.11.gif