UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042123.upa.cvt Date: 2300Z 21 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:2300Z 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 125 SFC 979 301 8.6 6.1 84 2.5 7.3 235 1 283.5 284.5 281.4 300.2 6.03 2 968 396 12.4 5.4 62 7.0 8.7 243 2 288.2 289.2 283.2 304.7 5.81 3 963 440 12.8 5.8 62 7.0 9.0 247 2 289.1 290.1 283.8 306.1 6.01 4 949 563 12.2 5.2 62 7.0 8.5 257 3 289.7 290.7 283.9 306.3 5.85 5 925 778 10.8 4.8 66 6.0 7.6 275 5 290.4 291.4 284.2 307.0 5.83 6 910 914 10.0 4.0 66 6.0 6.9 278 7 290.9 291.9 284.2 307.0 5.60 7 895 1052 10.0 -3.0 40 13.0 4.1 281 9 292.3 292.9 282.3 302.3 3.42 8 885 1146 9.2 1.2 57 8.0 5.2 283 10 292.4 293.2 283.8 306.1 4.71 9 850 1479 6.8 -4.2 45 11.0 2.0 290 15 293.3 293.9 282.6 303.0 3.29 10 829 1684 5.4 -6.6 42 12.0 0.4 287 15 293.9 294.4 282.3 302.3 2.81 11 801 1964 3.4 -3.6 60 7.0 0.3 284 16 294.7 295.3 283.6 305.5 3.66 12 793 2045 3.4 -6.6 48 10.0 -0.7 283 16 295.5 296.0 283.1 304.3 2.94 13 700 3042 -4.7 -9.5 69 4.8 -6.5 270 17 297.3 297.8 283.5 305.3 2.66 14 663 3466 -7.9 -12.0 72 4.1 -9.3 260 20 298.3 298.8 283.5 305.4 2.30 15 613 4073 -10.1 -19.1 48 9.0 -12.6 246 24 302.6 302.8 284.2 307.0 1.38 16 541 5023 -16.5 -31.5 26 15.0 -19.2 224 32 305.9 306.0 284.4 307.7 0.51 17 500 5610 -21.1 -39.1 18 18.0 -23.4 210 36 307.3 307.4 284.7 308.2 0.26 18 417 6925 -29.9 -54.9 7 25.0 -31.5 206 52 312.4 312.4 286.2 312.6 0.05 19 409 7063 -30.9 -46.9 19 16.0 -32.2 205 54 312.8 312.9 286.5 313.3 0.14 20 406 7115 -31.1 -38.1 50 7.0 -31.9 205 55 313.2 313.3 286.9 314.5 0.35 21 400 7220 -31.9 -37.9 55 6.0 -32.6 205 56 313.5 313.6 287.0 314.8 0.36 22 395 7309 -32.9 -37.9 61 5.0 -33.4 204 56 313.4 313.4 287.0 314.7 0.37 23 382 7543 -34.7 -40.7 54 6.0 -35.3 203 56 314.0 314.1 287.1 315.0 0.29 24 377 7635 -35.1 -47.1 28 12.0 -36.0 202 56 314.7 314.7 287.2 315.2 0.15 25 344 8265 -40.3 -53.3 24 13.0 -40.9 197 55 316.0 316.0 287.5 316.3 0.08 26 300 9180 -48.9 -54.9 50 6.0 -49.1 190 54 316.4 316.4 287.6 316.7 0.07 27 278 9674 -53.3 -57.4 61 4.1 -53.4 197 58 317.1 317.1 287.8 317.3 0.06 28 270 9861 -54.4 -60.1 49 5.7 -54.5 200 60 318.1 318.1 288.2 318.3 0.04 29 254 10250 -56.7 -65.7 31 9.0 -56.8 204 46 320.3 320.3 288.9 320.4 0.02 30 250 10350 -56.9 -63.9 41 7.0 -57.0 205 42 321.5 321.5 289.2 321.6 0.03 31 242 10556 -57.7 -66.7 31 9.0 -57.8 207 40 323.3 323.3 289.8 323.4 0.02 32 229 10902 -59.9 -64.9 52 5.0 -60.0 210 36 325.1 325.1 290.3 325.2 0.03 33 219 11183 -57.3 -77.3 6 20.0 -57.5 203 31 333.3 333.3 292.6 333.3 0.00 34 214 11329 -55.9 -73.9 9 18.0 -56.1 200 28 337.6 337.6 293.7 337.7 0.01 35 200 11760 -55.5 -76.5 6 21.0 -55.8 190 21 344.9 344.9 295.5 344.9 0.01 36 182 12364 -53.1 -82.1 2 29.0 -53.5 198 18 358.2 358.2 298.4 358.2 0.00 37 150 13610 -53.1 -83.1 1 30.0 -53.5 215 13 378.6 378.6 302.0 378.6 0.00 38 100 16220 -53.7 -84.7 1 31.0 -54.3 205 7 424.0 424.0 308.2 424.0 0.00 39 85 17262 -55.3 -85.3 1 30.0 -55.9 210 4 440.9 440.9 310.0 440.9 0.00 40 72 18328 -52.7 -84.7 1 32.0 -53.7 214 1 467.9 467.9 312.4 467.9 0.00 41 70 18510 -53.5 -85.5 1 32.0 -54.4 215 1 469.9 469.9 312.6 469.9 0.00 42 58 19709 -57.3 -87.3 1 30.0 -58.0 296 0 487.3 487.3 314.0 487.3 0.00 43 50 20650 -55.7 -86.7 1 31.0 -56.6 0 0 512.2 512.2 315.8 512.2 0.00 44 30 23900 -55.5 -87.5 1 32.0 -57.0 80 5 593.3 593.3 320.3 593.4 0.01 45 21 26177 -53.7 -86.7 1 33.0 -56.1 80 7 662.5 662.5 323.2 662.6 0.01 46 20 26490 -54.3 -87.3 1 33.0 -56.6 80 7 670.0 670.0 323.4 670.0 0.01 47 16 27915 -55.9 -87.9 1 32.0 -58.3 708.9 708.9 324.7 709.0 0.01 48 11 30315 -53.1 -87.1 1 34.0 -57.2 799.3 799.3 327.3 799.4 0.02 TRP 229 10902 -59.9 -64.9 52 5.0 -60.0 210 36 325.1 325.1 290.3 325.2 0.03 WND 270 9861 -54.4 -60.1 49 5.7 -54.5 200 60 318.1 318.1 288.2 318.3 0.04 Sounding variables and indices 1000-500 mb thick: 5485.00 m Freezing level: 753.96 mb = 2463.52 m = 8082.32 ft Wetbulb zero: 798.63 mb = 1987.68 m = 6521.19 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 50.41 % Est. max temperature: 18.97 C = 66.14 F Sfc-Lift cond lev (LCL): 942.39 mb = 621.64 m = 2039.49 ft T: 11.82 C 700-500 lapse rate: 6.39 C/km ThetaE index: 4.69 C Layer 910.0- 885.0 mb Conv cond level (CCL): 763.57 mb = 2347.25 m = 7700.85 ft Mean mixing ratio: 5.38 g/kg Conv temperature: 21.14 C = 70.05 F Cap Strength: 4.02 C Lifted Index: 4.08 C Risk: None Lifted Index @300 mb: 7.86 C Lifted Index @700 mb: 1.67 C Showalter Index: 5.77 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 16.90 C K Index: 18.90 Risk: < 20 % chance of thunderstorms Sweat Index: 66.00 Risk: None Energy Index: 1.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.62 J/kg Max Up Vert Vel: 6.42 m/s Conv Inhibition (B-): 61198.61 J/kg Cap Strength: 4.10 C Lift Cond Lev (LCL): 832.18 mb = 1652.53 m = 5421.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 267 at 16 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 ---------------------------------------------------------- 0 979 301 235 1 0.8 0.6 | 88 16 -15.6 -0.4 1 925 778 275 5 5.0 -0.4 | 83 11 -11.4 -1.4 2 850 1479 290 15 14.1 -5.1 | 20 7 -2.3 -6.1 3 700 3042 270 17 17.0 -0.0 | 328 1 0.6 -1.0 4 500 5610 210 36 18.0 31.2 | 183 30 1.6 30.2 5 400 7220 205 56 23.7 50.8 | 188 50 7.3 49.8 6 300 9180 190 54 9.4 53.2 | 172 53 -7.0 52.2 7 270 9861 200 60 20.5 56.4 | 184 56 4.2 55.4 8 250 10350 205 42 17.7 38.1 | 182 37 1.4 37.1 9 229 10902 210 36 18.0 31.2 | 183 30 1.6 30.2 10 200 11760 190 21 3.6 20.7 | 147 23 -12.7 19.7 11 150 13610 215 13 7.5 10.6 | 137 13 -8.9 9.7 12 100 16220 205 7 3.0 6.3 | 112 14 -13.4 5.3 13 70 18510 215 1 0.6 0.8 | 89 16 -15.8 -0.2 14 50 20650 0 0 -0.0 -0.0 | 87 16 -16.4 -1.0 15 30 23900 80 5 -4.9 -0.9 | 85 21 -21.3 -1.9 16 20 26490 80 7 -6.9 -1.2 | 85 23 -23.3 -2.2 Wind Parameters Mean winds (0-6000m): 236.5 at 21.9 knts Storm direction: 266.5 at 16.4 knts Shear (0-3000m) pos: 2.0 neg: 1.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 159.2 deg Storm rel helicity (0-3000m) pos: 0.9 neg: -22.9 tot: -21.9 m^2/s^2 ave: -7.3 10^-3 m/s^2 rel: -0.58 Storm rel vorticity (0-3000m) horiz: 4.0 stream: -2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 49.44 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 ------------------------------------------------------------------------------- 500 269 3 86 13| 4.8 0.0 4.8| 0.9 -4.9 -3.9 -7.8 -0.26| 5.0 -1.3 1000 280 6 79 11| 6.1 0.0 6.1| 0.9 -15.4 -14.4 -14.4 -0.52| 6.3 -3.3 1500 285 9 67 8| 4.1 1.0 5.1| 0.9 -20.4 -19.5 -13.0 -0.59| 5.5 -3.2 2000 284 11 60 7| 3.1 1.0 4.1| 0.9 -21.2 -20.2 -10.1 -0.56| 4.6 -2.6 2500 282 12 55 6| 2.4 1.1 3.5| 0.9 -21.7 -20.8 -8.3 -0.55| 4.1 -2.2 3000 279 13 52 5| 2.0 1.5 3.5| 0.9 -22.9 -21.9 -7.3 -0.58| 4.0 -2.3 4000 268 15 69 1| 1.5 2.5 4.1| 0.9 -32.2 -31.3 -7.8 -0.51| 4.5 -2.3 5000 251 18 192 5| 1.2 3.2 4.5| 0.9 -68.9 -68.0 -13.6 -0.50| 5.1 -2.6 6000 237 22 190 11| 1.0 3.8 4.8| 19.1 -89.4 -70.3 -11.7 -0.40| 5.4 -2.2 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250421.23.gif