UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042111.upa.cvt Date: 1100Z 21 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:1100Z 21 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 88 SFC 975 304 17.2 9.2 59 8.0 12.5 325 5 292.5 293.8 286.7 314.0 7.50 2 925 749 12.2 8.0 75 4.2 9.8 330 7 291.8 293.1 286.2 312.6 7.29 3 850 1451 6.2 5.3 94 0.9 5.7 315 5 292.6 293.8 285.9 311.6 6.58 4 848 1470 6.2 5.0 92 1.2 5.6 313 5 292.8 294.0 285.8 311.4 6.46 5 840 1548 6.6 2.6 76 4.0 4.5 307 6 294.1 295.0 285.3 310.1 5.50 6 766 2301 3.0 -1.3 73 4.3 1.0 245 15 298.0 298.9 285.9 311.6 4.54 7 702 3002 -1.9 -2.4 96 0.5 -2.1 187 23 300.1 301.0 286.7 313.9 4.57 8 700 3025 -1.9 -2.7 94 0.8 -2.3 185 23 300.4 301.2 286.7 313.9 4.48 9 624 3929 -8.5 -9.7 91 1.2 -8.9 190 32 302.9 303.4 286.0 311.9 2.93 10 532 5153 -14.5 -23.5 46 9.0 -16.7 197 43 309.8 310.0 286.5 313.4 1.08 11 500 5620 -18.5 -26.5 49 8.0 -20.2 200 48 310.5 310.6 286.5 313.4 0.88 12 471 6062 -22.5 -28.5 58 6.0 -23.6 197 47 310.9 311.0 286.6 313.5 0.77 13 464 6172 -23.3 -32.3 43 9.0 -24.7 197 47 311.2 311.3 286.4 313.1 0.55 14 439 6575 -26.7 -31.7 63 5.0 -27.5 194 46 311.9 312.0 286.8 314.0 0.61 15 411 7047 -30.3 -38.3 46 8.0 -31.2 191 44 313.2 313.2 286.9 314.4 0.34 16 400 7240 -31.7 -36.3 64 4.6 -32.2 190 44 313.8 313.9 287.2 315.3 0.43 17 388 7454 -33.9 -36.8 75 2.9 -34.2 192 44 313.7 313.7 287.1 315.1 0.42 18 376 7674 -35.7 -42.7 49 7.0 -36.2 193 45 314.1 314.1 287.1 315.0 0.24 19 336 8445 -42.5 -45.9 69 3.4 -42.7 199 46 315.1 315.1 287.3 315.8 0.19 20 330 8566 -43.7 -52.7 36 9.0 -44.1 200 47 315.1 315.1 287.2 315.4 0.09 21 324 8689 -44.7 -48.5 66 3.8 -44.9 201 47 315.3 315.4 287.4 315.9 0.14 22 310 8984 -46.9 -50.5 67 3.6 -47.0 203 48 316.3 316.3 287.6 316.7 0.12 23 300 9200 -48.7 -52.7 63 4.0 -48.8 205 48 316.7 316.7 287.8 317.1 0.10 24 268 9924 -55.7 -59.5 62 3.8 -55.8 199 53 316.9 316.9 287.8 317.1 0.05 25 250 10360 -59.5 -65.5 46 6.0 -59.6 195 56 317.6 317.6 288.0 317.7 0.02 26 243 10538 -60.4 -66.4 45 6.0 -60.5 190 60 318.8 318.8 288.3 318.9 0.02 27 234 10774 -61.7 -67.7 45 6.0 -61.7 193 56 320.3 320.3 288.9 320.4 0.02 28 228 10935 -62.7 -67.7 51 5.0 -62.7 195 54 321.2 321.2 289.1 321.3 0.02 29 221 11129 -60.9 -71.9 22 11.0 -61.0 195 49 326.9 326.9 290.8 326.9 0.01 30 200 11760 -55.3 -80.3 3 25.0 -55.6 195 35 345.2 345.2 295.6 345.2 0.00 31 198 11824 -54.7 -80.7 3 26.0 -55.0 195 35 347.1 347.1 296.0 347.2 0.00 32 191 12053 -52.9 -80.9 2 28.0 -53.2 196 33 353.6 353.6 297.4 353.6 0.00 33 150 13600 -52.3 -82.3 2 30.0 -52.8 200 23 380.0 380.0 302.2 380.0 0.00 34 100 16220 -53.1 -84.1 1 31.0 -53.8 175 13 425.1 425.1 308.3 425.1 0.00 35 99 16284 -52.9 -83.9 1 31.0 -53.6 174 13 426.7 426.7 308.5 426.8 0.00 36 70 18500 -53.3 -84.3 1 31.0 -54.2 140 7 470.4 470.4 312.7 470.4 0.00 37 55 20043 -56.7 -85.7 1 29.0 -57.5 108 6 496.2 496.2 314.7 496.2 0.00 38 50 20650 -55.7 -85.7 1 30.0 -56.6 95 5 512.2 512.2 315.8 512.2 0.01 39 30 23910 -55.5 -86.5 1 31.0 -57.0 20 9 593.3 593.3 320.3 593.4 0.01 40 23 25605 -53.1 -85.1 1 32.0 -55.5 33 13 647.2 647.2 322.6 647.3 0.01 41 20 26500 -54.3 -85.3 1 31.0 -56.6 40 15 670.0 670.0 323.4 670.1 0.01 42 16 27929 -55.5 -85.5 1 30.0 -58.0 21 12 710.2 710.2 324.7 710.3 0.02 43 12 29784 -51.1 -84.1 1 33.0 -55.6 356 8 786.7 786.7 326.9 786.9 0.03 44 10 30970 -51.3 -84.3 1 33.0 -56.3 340 5 828.1 828.1 327.9 828.4 0.03 45 7.1 33211 -48.3 -82.3 1 34.0 -55.8 925.6 925.7 329.9 926.3 0.06 46 7.0 33304 -48.3 -83.3 1 35.0 -55.8 929.4 929.4 330.0 930.0 0.05 47 6.4 33898 -45.7 -81.7 1 36.0 -54.9 964.5 964.6 330.6 965.4 0.08 48 5.8 34564 -38.3 -79.3 1 41.0 -52.3 1024.4 1024.4 331.6 1025.9 0.13 TRP 228 10935 -62.7 -67.7 51 5.0 -62.7 195 54 321.2 321.2 289.1 321.3 0.02 WND 243 10538 -60.4 -66.4 45 6.0 -60.5 190 60 318.8 318.8 288.3 318.9 0.02 Sounding variables and indices 1000-500 mb thick: 5532.00 m Freezing level: 726.82 mb = 2730.36 m = 8957.78 ft Wetbulb zero: 746.27 mb = 2510.74 m = 8237.24 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 76.12 % Est. max temperature: 19.55 C = 67.19 F Sfc-Lift cond lev (LCL): 865.15 mb = 1304.36 m = 4279.35 ft T: 7.45 C 700-500 lapse rate: 6.40 C/km ThetaE index: 3.90 C Layer 925.0- 766.0 mb Conv cond level (CCL): 856.45 mb = 1388.29 m = 4554.69 ft Mean mixing ratio: 7.22 g/kg Conv temperature: 17.31 C = 63.15 F Cap Strength: 2.59 C Lifted Index: 2.11 C Risk: None Lifted Index @300 mb: 3.08 C Lifted Index @700 mb: 0.89 C Showalter Index: 2.81 C Risk: Showers probable Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 23.80 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 121.60 Risk: None Energy Index: 0.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 58022.42 J/kg Cap Strength: 2.56 C Lift Cond Lev (LCL): 862.40 mb = 1330.73 m = 4365.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 228 at 19 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 ---------------------------------------------------------- 0 975 304 325 5 2.9 -4.1 | 34 21 -11.6 -17.1 1 925 749 330 7 3.5 -6.1 | 30 22 -11.0 -19.1 2 850 1451 315 5 3.5 -3.5 | 33 20 -10.9 -16.6 3 700 3025 185 23 2.0 22.9 | 128 16 -12.5 9.9 4 500 5620 200 48 16.4 45.1 | 183 32 1.9 32.1 5 400 7240 190 44 7.6 43.3 | 167 31 -6.8 30.3 6 300 9200 205 48 20.3 43.5 | 191 31 5.8 30.5 7 250 10360 195 56 14.5 54.1 | 180 41 0.0 41.0 8 243 10538 190 60 10.4 59.1 | 175 46 -4.1 46.0 9 228 10935 195 54 14.0 52.2 | 179 39 -0.5 39.1 10 200 11760 195 35 9.1 33.8 | 165 21 -5.4 20.8 11 150 13600 200 23 7.9 21.6 | 142 11 -6.6 8.6 12 100 16220 175 13 -1.1 13.0 | 90 16 -15.6 -0.1 13 70 18500 140 7 -4.5 5.4 | 68 20 -19.0 -7.7 14 50 20650 95 5 -5.0 0.4 | 57 23 -19.5 -12.6 15 30 23910 20 9 -3.1 -8.5 | 39 28 -17.6 -21.5 16 20 26500 40 15 -9.6 -11.5 | 44 34 -24.1 -24.5 17 10 30970 340 5 1.7 -4.7 | 36 22 -12.8 -17.8 Wind Parameters Mean winds (0-6000m): 198.0 at 26.0 knts Storm direction: 228.0 at 19.5 knts Shear (0-3000m) pos: 0.3 neg: 5.4 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 103.2 deg Storm rel helicity (0-3000m) pos: 22.9 neg: -40.4 tot: -17.5 m^2/s^2 ave: -5.8 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 121.30 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 ------------------------------------------------------------------------------- 500 328 6 32 21| 1.9 0.0 1.9| 0.0 -8.5 -8.5 -17.0 -0.77| 2.0 -1.5 1000 326 6 31 21| 1.0 0.9 1.9| 4.9 -8.5 -3.6 -3.6 -0.17| 1.9 -0.3 1500 318 6 30 20| 0.6 2.1 2.8| 6.1 -28.4 -22.3 -14.9 -0.47| 3.3 -1.5 2000 292 8 25 18| 0.5 4.0 4.5| 6.2 -38.1 -31.9 -16.0 -0.36| 5.1 -1.8 2500 248 10 30 11| 0.4 5.2 5.5| 12.7 -38.1 -25.5 -10.2 0.01| 7.0 0.1 3000 209 12 73 9| 0.3 5.4 5.7| 22.9 -40.4 -17.5 -5.8 0.05| 7.5 0.3 4000 197 16 106 10| 1.2 4.0 5.2| 66.4 -40.4 25.9 6.5 0.19| 6.9 1.3 5000 197 22 133 11| 2.0 3.2 5.2|118.8 -40.4 78.4 15.7 0.28| 6.6 1.9 6000 198 26 151 13| 1.9 2.7 4.6|136.9 -71.6 65.3 10.9 0.23| 6.1 1.4 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250421.11.gif