UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for LK747... Searching the city database file for: LK747 ... Date:1200Z 1 DEC 25 Station: LK747 WMO ident: 11747 Latitude: 49.45 Longitude: 17.13 ------------------------------------------------------------------------------- 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 179 140 1 SFC 996 211 1.8 1.1 95 0.7 1.5 140 1 275.3 276.0 274.9 286.6 4.15 2 945 633 -0.3 -0.3 100 0.0 -0.3 51 2 277.3 278.0 275.7 288.2 3.96 3 925 805 1.4 1.4 100 0.0 1.4 15 3 280.7 281.5 278.3 293.4 4.57 4 920 849 1.8 1.8 100 0.0 1.8 8 3 281.6 282.4 279.0 294.7 4.73 5 893 1089 2.0 1.7 98 0.3 1.8 329 5 284.2 285.0 280.4 297.8 4.84 6 850 1487 0.8 0.1 95 0.7 0.5 265 9 287.0 287.8 281.3 299.9 4.53 7 820 1775 -0.9 -0.9 100 0.0 -0.9 260 9 288.1 288.9 281.6 300.7 4.37 8 762 2359 -2.3 -6.0 76 3.7 -3.8 251 9 292.7 293.3 282.3 302.2 3.20 9 761 2369 -2.3 -6.0 76 3.7 -3.8 251 9 292.9 293.4 282.3 302.3 3.21 10 700 3027 -7.1 -8.7 88 1.6 -7.7 240 9 294.6 295.1 282.6 303.1 2.83 11 644 3672 -11.9 -12.8 93 0.9 -12.2 244 10 296.3 296.7 282.6 303.1 2.22 12 625 3901 -13.1 -20.1 56 7.0 -14.9 245 11 297.5 297.7 281.9 301.4 1.24 13 614 4036 -13.9 -15.0 91 1.1 -14.2 246 11 298.1 298.4 283.0 304.1 1.94 14 506 5482 -22.5 -30.5 48 8.0 -23.8 254 15 304.6 304.7 284.0 306.6 0.60 15 500 5570 -23.3 -30.3 53 7.0 -24.4 255 15 304.6 304.7 284.1 306.7 0.62 16 447 6380 -29.9 -38.9 41 9.0 -30.8 255 21 306.2 306.3 284.3 307.3 0.29 17 406 7057 -36.1 -41.0 61 4.9 -36.5 255 26 306.8 306.8 284.4 307.7 0.26 18 400 7160 -37.1 -43.1 54 6.0 -37.5 255 27 306.8 306.8 284.4 307.5 0.21 19 371 7673 -41.7 -48.7 47 7.0 -42.1 247 28 307.3 307.4 284.5 307.8 0.12 20 366 7765 -42.3 -52.3 33 10.0 -42.7 246 28 307.7 307.7 284.6 308.0 0.08 21 359 7894 -43.5 -48.1 60 4.6 -43.7 244 29 307.8 307.9 284.7 308.3 0.14 22 345 8160 -45.7 -52.7 45 7.0 -45.9 240 29 308.4 308.4 284.8 308.7 0.08 23 329 8472 -48.9 -53.1 61 4.2 -49.0 235 30 308.2 308.2 284.8 308.5 0.08 24 317 8715 -50.9 -54.5 65 3.6 -51.0 231 30 308.7 308.7 284.9 309.0 0.07 25 310 8859 -51.9 -59.9 38 8.0 -52.1 228 31 309.3 309.3 285.1 309.4 0.04 26 300 9070 -53.5 -62.5 33 9.0 -53.7 225 31 309.9 309.9 285.3 310.0 0.03 27 299 9091 -53.7 -63.7 28 10.0 -53.9 226 31 310.0 310.0 285.3 310.0 0.02 28 296 9156 -53.1 -65.1 22 12.0 -53.3 229 29 311.7 311.7 285.9 311.8 0.02 29 270 9742 -57.1 -70.1 18 13.0 -57.2 260 17 314.2 314.2 286.8 314.2 0.01 30 256 10079 -55.5 -74.5 8 19.0 -55.7 284 20 321.4 321.4 289.2 321.4 0.01 31 250 10230 -56.3 -74.3 9 18.0 -56.5 295 21 322.4 322.4 289.5 322.4 0.01 32 200 11640 -57.9 -79.9 4 22.0 -58.1 310 17 341.1 341.1 294.6 341.1 0.00 33 150 13450 -58.7 -83.7 3 25.0 -58.9 270 11 368.9 368.9 300.4 369.0 0.00 34 100 15980 -60.1 -86.1 2 26.0 -60.4 260 25 411.6 411.6 306.7 411.6 0.00 35 70 18180 -64.3 -88.3 2 24.0 -64.6 255 13 446.8 446.8 310.6 446.8 0.00 36 65 18632 -65.1 -89.1 2 24.0 -65.3 261 13 454.6 454.6 311.3 454.7 0.00 37 50 20240 -62.7 -88.7 2 26.0 -63.1 280 11 495.7 495.7 314.7 495.7 0.00 38 49 20365 -62.7 -88.7 2 26.0 -63.1 279 12 498.6 498.6 314.8 498.6 0.00 39 39 21760 -67.1 -91.1 2 24.0 -67.4 273 21 521.1 521.1 316.4 521.1 0.00 40 32 22965 -64.3 -90.3 2 26.0 -64.8 267 28 558.9 558.9 318.6 559.0 0.00 41 30 23360 -64.5 -90.5 2 26.0 -65.0 265 31 568.8 568.8 319.1 568.8 0.00 42 23 24962 -68.9 -91.9 2 23.0 -69.3 265 34 600.8 600.8 320.6 600.8 0.00 43 20 25800 -66.9 -91.9 2 25.0 -67.5 265 35 631.4 631.4 322.0 631.4 0.00 44 15 27526 -68.9 -93.9 2 25.0 -69.5 263 48 678.9 678.9 323.7 678.9 0.00 45 14 27940 -66.5 -92.5 1 26.0 -67.3 262 51 700.6 700.6 324.4 700.6 0.01 46 10 29960 -69.3 -93.3 2 24.0 -70.1 260 66 760.9 760.9 326.3 760.9 0.01 47 9.7 30142 -69.7 -93.7 2 24.0 -70.5 766.0 766.0 326.4 766.1 0.01 48 6.7 32348 -69.5 -94.5 1 25.0 -70.6 852.4 852.4 328.4 852.4 0.01 49 5.5 33529 -68.1 -94.1 1 26.0 -69.6 908.1 908.1 329.6 908.1 0.01 50 3.9 35666 -53.7 -86.7 1 33.0 -60.9 1072.2 1072.3 332.2 1072.9 0.05 TRP 270 9742 -57.1 -70.1 18 13.0 -57.2 260 17 314.2 314.2 286.8 314.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5391.00 m Freezing level: 952.29 mb = 573.07 m = 1880.14 ft Freezing level: 941.47 mb = 663.65 m = 2177.32 ft Freezing level: 835.88 mb = 1622.42 m = 5322.84 ft Wetbulb zero: 954.32 mb = 554.60 m = 1819.52 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 83.58 % Est. max temperature: 13.66 C = 56.58 F Sfc-Lift cond lev (LCL): 985.20 mb = 298.85 m = 980.46 ft T: 1.36 C 700-500 lapse rate: 6.37 C/km Conv cond level (CCL): 988.03 mb = 275.81 m = 904.87 ft Mean mixing ratio: 4.31 g/kg Conv temperature: 2.11 C = 35.81 F Cap Strength: 12.55 C Lifted Index: 12.48 C Risk: None Lifted Index @300 mb: 13.78 C Lifted Index @700 mb: 8.11 C Showalter Index: 5.74 C Risk: None Total Totals Index: 47.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 23.40 C K Index: 22.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 34.20 Risk: None Energy Index: 1.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.82 J/kg Max Up Vert Vel: 8.70 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 12.54 C Lift Cond Lev (LCL): 941.75 mb = 660.97 m = 2168.53 ft Lev Free Conv (LFC): 936.75 mb = 703.69 m = 2308.66 ft Equ Level (EL): 926.75 mb = 789.80 m = 2591.17 ft B at Equ Level: 33.95 J/kg Max Parcel Lev (MPL): 886.75 mb = 1145.82 m = 3759.22 ft Wind level data Storm motion: 283 at 8 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 ---------------------------------------------------------- 0 996 211 140 1 -0.6 0.8 | 107 8 -8.1 2.5 1 925 805 15 3 -0.8 -2.9 | 82 8 -8.2 -1.1 2 850 1487 265 9 9.0 0.8 | 211 3 1.5 2.5 3 700 3027 240 9 7.8 4.5 | 183 6 0.3 6.3 4 500 5570 255 15 14.5 3.9 | 231 9 7.0 5.6 5 400 7160 255 27 26.1 7.0 | 245 21 18.6 8.7 6 300 9070 225 31 21.9 21.9 | 211 28 14.5 23.7 7 270 9742 260 17 16.7 3.0 | 243 10 9.3 4.7 8 250 10230 295 21 19.0 -8.9 | 302 14 11.6 -7.1 9 200 11640 310 17 13.0 -10.9 | 329 11 5.6 -9.2 10 150 13450 270 11 11.0 -0.0 | 244 4 3.5 1.8 11 100 15980 260 25 24.6 4.3 | 250 18 17.2 6.1 12 70 18180 255 13 12.6 3.4 | 225 7 5.1 5.1 13 50 20240 280 11 10.8 -1.9 | 273 3 3.4 -0.2 14 30 23360 265 31 30.9 2.7 | 259 24 23.4 4.5 15 20 25800 265 35 34.9 3.1 | 260 28 27.4 4.8 16 10 29960 260 66 65.0 11.5 | 257 59 57.5 13.2 Wind Parameters Mean winds (0-6000m): 253.2 at 10.2 knts Storm direction: 283.2 at 7.7 knts Shear (0-3000m) pos: 0.0 neg: 1.7 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 79.9 deg Storm rel helicity (0-3000m) pos: 0.7 neg: -19.9 tot: -19.2 m^2/s^2 ave: -6.4 10^-3 m/s^2 rel: -0.62 Storm rel vorticity (0-3000m) horiz: 4.0 stream: -2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.06 Bulk Shear: 18.37 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 39 2 92 9| 0.0 3.2 3.2| 0.0 -8.0 -8.0 -16.0 -0.86| 3.9 -3.4 1000 348 3 79 7| 0.0 3.9 3.9| 0.0 -16.6 -16.6 -16.6 -0.71| 5.8 -4.2 1500 285 5 100 3| 0.0 3.3 3.3| 0.0 -17.6 -17.6 -11.8 -0.67| 6.7 -4.5 2000 271 6 135 2| 0.0 2.4 2.4| 0.0 -18.4 -18.4 -9.2 -0.67| 5.3 -3.5 2500 264 7 158 3| 0.0 1.9 1.9| 0.0 -19.3 -19.3 -7.7 -0.66| 4.5 -3.0 3000 258 7 168 3| 0.0 1.7 1.7| 0.7 -19.9 -19.2 -6.4 -0.62| 4.0 -2.5 4000 253 8 181 4| 0.3 1.2 1.6| 5.1 -19.9 -14.8 -3.7 -0.46| 3.3 -1.5 5000 252 9 193 5| 0.5 1.0 1.5| 10.1 -19.9 -9.8 -2.0 -0.34| 2.9 -1.0 6000 253 10 206 5| 0.6 1.2 1.8| 16.7 -19.9 -3.2 -0.5 -0.21| 2.9 -0.6 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20251201.12.gif