UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for LK747... Searching the city database file for: LK747 ... Date:0000Z 4 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 138 270 1 SFC 991 212 3.6 3.2 97 0.4 3.4 270 1 277.5 278.3 277.0 290.7 4.86 2 979 311 4.6 2.0 83 2.6 3.4 254 3 279.4 280.2 277.6 291.9 4.51 3 925 772 1.4 1.1 98 0.3 1.3 180 15 280.7 281.5 278.2 293.2 4.48 4 879 1181 -1.1 -1.1 100 0.0 -1.1 186 19 282.3 283.0 278.4 293.5 4.01 5 858 1374 0.0 -1.8 88 1.8 -0.8 189 20 285.4 286.1 279.8 296.5 3.90 6 850 1449 0.0 -1.7 88 1.7 -0.7 190 21 286.1 286.8 280.2 297.5 3.97 7 801 1922 -3.3 -3.4 99 0.1 -3.3 195 18 287.5 288.2 280.6 298.2 3.71 8 776 2174 -1.1 -10.1 50 9.0 -4.4 197 16 292.5 292.9 281.1 299.4 2.28 9 774 2195 -0.9 -7.9 59 7.0 -3.6 197 16 292.9 293.4 281.8 301.1 2.72 10 700 2988 -7.3 -13.3 62 6.0 -9.2 205 11 294.4 294.8 281.5 300.4 1.96 11 644 3628 -13.7 -14.0 98 0.3 -13.8 222 17 294.2 294.6 281.5 300.4 2.01 12 631 3782 -14.5 -16.5 85 2.0 -15.0 227 18 295.1 295.4 281.4 300.2 1.67 13 625 3854 -14.1 -22.1 51 8.0 -15.9 229 19 296.3 296.5 281.1 299.6 1.04 14 617 3952 -14.1 -26.1 35 12.0 -16.6 231 20 297.4 297.5 281.3 299.8 0.74 15 548 4843 -18.1 -43.1 9 25.0 -21.1 256 28 302.9 303.0 282.8 303.5 0.15 16 500 5520 -22.7 -50.7 6 28.0 -25.1 275 35 305.4 305.4 283.7 305.6 0.07 17 487 5713 -24.1 -53.1 5 29.0 -26.3 275 35 306.0 306.0 283.8 306.2 0.06 18 481 5804 -24.7 -47.7 10 23.0 -26.8 275 34 306.3 306.3 284.1 306.7 0.11 19 427 6660 -32.5 -42.5 36 10.0 -33.3 275 32 307.0 307.0 284.5 307.7 0.21 20 417 6827 -32.7 -53.7 10 21.0 -33.9 275 32 308.8 308.8 284.9 309.0 0.06 21 404 7050 -34.5 -52.5 14 18.0 -35.5 275 31 309.3 309.3 285.1 309.5 0.07 22 400 7120 -35.1 -50.1 20 15.0 -36.0 275 31 309.4 309.4 285.2 309.7 0.10 23 392 7260 -36.1 -45.1 39 9.0 -36.7 273 31 309.9 309.9 285.5 310.5 0.17 24 351 8013 -43.3 -48.0 60 4.7 -43.5 264 34 310.1 310.1 285.5 310.6 0.14 25 348 8070 -43.9 -49.9 51 6.0 -44.2 263 34 310.0 310.1 285.5 310.5 0.11 26 341 8206 -44.7 -56.7 25 12.0 -45.1 261 35 310.8 310.8 285.7 311.0 0.05 27 300 9050 -50.1 -64.1 18 14.0 -50.4 250 38 314.7 314.7 287.0 314.8 0.02 28 258 10021 -57.9 -68.9 23 11.0 -58.0 258 36 317.1 317.1 287.8 317.2 0.01 29 250 10220 -58.7 -69.7 23 11.0 -58.8 260 36 318.8 318.8 288.3 318.8 0.01 30 225 10877 -62.5 -71.5 29 9.0 -62.6 245 46 322.7 322.7 289.6 322.8 0.01 31 211 11277 -60.3 -74.3 14 14.0 -60.4 242 35 332.1 332.1 292.3 332.2 0.01 32 200 11610 -61.7 -75.7 14 14.0 -61.8 240 25 335.1 335.1 293.1 335.1 0.01 33 192 11862 -62.5 -76.5 14 14.0 -62.6 237 25 337.7 337.7 293.7 337.7 0.01 34 168 12696 -56.5 -82.5 2 26.0 -56.8 228 25 360.8 360.8 298.9 360.9 0.00 35 153 13286 -58.7 -82.7 3 24.0 -58.9 221 25 366.9 366.9 300.0 366.9 0.00 36 150 13410 -58.1 -83.1 3 25.0 -58.3 220 25 370.0 370.0 300.5 370.0 0.00 37 125 14561 -56.1 -84.1 2 28.0 -56.5 216 27 393.4 393.4 304.3 393.4 0.00 38 110 15366 -59.7 -84.7 2 25.0 -60.0 212 28 401.3 401.3 305.4 401.3 0.00 39 100 15960 -60.3 -85.3 2 25.0 -60.6 210 29 411.2 411.2 306.7 411.2 0.00 40 70 18160 -64.3 -87.3 3 23.0 -64.6 255 31 446.8 446.8 310.6 446.8 0.00 41 50 20220 -65.1 -89.1 2 24.0 -65.4 240 23 490.1 490.1 314.2 490.1 0.00 42 30 23300 -70.1 -91.1 3 21.0 -70.4 260 44 553.5 553.5 318.3 553.6 0.00 43 20 25700 -72.1 -92.1 3 20.0 -72.4 265 68 615.5 615.5 321.3 615.5 0.00 44 16 27007 -73.7 -93.7 3 20.0 -74.0 265 75 650.8 650.8 322.7 650.8 0.00 45 12 28695 -71.7 -92.7 3 21.0 -72.2 265 83 713.7 713.7 324.8 713.7 0.01 46 10 29760 -75.3 -94.3 4 19.0 -75.6 265 89 738.5 738.5 325.6 738.5 0.01 47 9.5 30057 -75.7 -95.7 3 20.0 -76.0 747.9 747.9 325.8 747.9 0.00 48 7.1 31757 -71.9 -94.9 2 23.0 -72.7 828.5 828.5 327.9 828.5 0.01 49 6.6 32192 -68.3 -93.3 2 25.0 -69.6 861.1 861.1 328.6 861.2 0.01 50 6.1 32662 -70.3 -94.3 2 24.0 -71.4 872.1 872.1 328.8 872.2 0.01 TRP 225 10877 -62.5 -71.5 29 9.0 -62.6 245 46 322.7 322.7 289.6 322.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5382.00 m Freezing level: 899.24 mb = 1000.89 m = 3283.71 ft Freezing level: 858.00 mb = 1373.98 m = 4507.76 ft Freezing level: 850.00 mb = 1449.00 m = 4753.88 ft Wetbulb zero: 900.46 mb = 987.43 m = 3239.57 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 60.83 % Est. max temperature: 12.51 C = 54.51 F Sfc-Lift cond lev (LCL): 984.83 mb = 262.59 m = 861.49 ft T: 4.11 C 700-500 lapse rate: 6.08 C/km ThetaE index: 1.45 C Layer 700.0- 617.0 mb Conv cond level (CCL): 914.58 mb = 862.79 m = 2830.65 ft Mean mixing ratio: 4.45 g/kg Conv temperature: 7.21 C = 44.97 F Cap Strength: 10.42 C Lifted Index: 11.56 C Risk: None Lifted Index @300 mb: 15.71 C Lifted Index @700 mb: 6.57 C Showalter Index: 8.04 C Risk: None Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 21.00 C K Index: 15.00 Risk: < 20 % chance of thunderstorms Sweat Index: 226.52 Risk: None Energy Index: 1.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.52 J/kg Max Up Vert Vel: 4.59 m/s Conv Inhibition (B-): 52957.28 J/kg Cap Strength: 11.41 C Lift Cond Lev (LCL): 924.96 mb = 772.32 m = 2533.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 15 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 ---------------------------------------------------------- 0 991 212 270 1 1.0 -0.0 | 91 14 -14.5 0.3 1 925 772 180 15 0.0 15.0 | 135 22 -15.5 15.3 2 850 1449 190 21 3.6 20.7 | 151 24 -11.8 21.0 3 700 2988 205 11 4.6 10.0 | 133 15 -10.8 10.3 4 500 5520 275 35 34.9 -3.1 | 278 20 19.4 -2.7 5 400 7120 275 31 30.9 -2.7 | 279 16 15.4 -2.4 6 300 9050 250 38 35.7 13.0 | 237 24 20.2 13.3 7 250 10220 260 36 35.5 6.3 | 252 21 20.0 6.6 8 225 10877 245 46 41.7 19.4 | 233 33 26.2 19.8 9 200 11610 240 25 21.7 12.5 | 206 14 6.2 12.8 10 150 13410 220 25 16.1 19.2 | 182 19 0.6 19.5 11 100 15960 210 29 14.5 25.1 | 178 25 -1.0 25.4 12 70 18160 255 31 29.9 8.0 | 240 17 14.4 8.3 13 50 20220 240 23 19.9 11.5 | 201 13 4.4 11.8 14 30 23300 260 44 43.3 7.6 | 254 29 27.8 8.0 15 20 25700 265 68 67.7 5.9 | 263 53 52.2 6.2 16 10 29760 265 89 88.7 7.8 | 264 74 73.2 8.1 Wind Parameters Mean winds (0-6000m): 241.2 at 20.7 knts Storm direction: 271.2 at 15.5 knts Shear (0-3000m) pos: 1.5 neg: 3.2 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 51.7 deg Storm rel helicity (0-3000m) pos: 75.9 neg: -24.4 tot: 51.5 m^2/s^2 ave: 17.2 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 42.23 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 ------------------------------------------------------------------------------- 500 184 7 117 17| 0.0 13.7 13.7| 31.4 0.0 31.4 62.8 0.58| 17.0 9.9 1000 184 12 130 19| 0.0 9.7 9.7| 53.7 -0.4 53.2 53.2 0.57| 12.0 6.8 1500 187 15 137 20| 0.7 6.5 7.2| 67.4 -2.6 64.8 43.2 0.55| 9.4 5.2 2000 189 15 140 20| 1.1 4.8 6.0| 67.4 -10.0 57.5 28.7 0.44| 8.0 3.5 2500 191 15 140 20| 1.5 3.9 5.4| 67.4 -19.5 47.9 19.2 0.34| 7.1 2.4 3000 192 15 140 19| 1.5 3.2 4.7| 75.9 -24.4 51.5 17.2 0.33| 6.6 2.2 4000 203 15 147 17| 2.4 2.4 4.8|120.5 -24.4 96.1 24.0 0.50| 6.6 3.3 5000 223 18 166 14| 3.5 1.9 5.5|178.0 -24.4 153.6 30.7 0.61| 6.9 4.2 6000 241 21 194 11| 3.3 1.6 5.0|202.4 -24.4 178.0 29.7 0.62| 6.4 3.9 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20251204.00.gif