UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041906.upa.cvt Date: 0600Z 19 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:0600Z 19 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 103 SFC 976 303 6.6 5.4 92 1.2 6.0 145 3 281.7 282.7 280.3 297.6 5.76 2 925 743 4.4 2.5 87 1.9 3.5 245 15 283.8 284.7 280.3 297.7 4.95 3 850 1427 0.4 -2.2 83 2.6 -0.7 250 17 286.6 287.2 280.2 297.5 3.82 4 795 1960 -3.1 -3.1 100 0.0 -3.1 241 16 288.4 289.0 281.1 299.4 3.82 5 780 2111 -1.1 -2.6 90 1.5 -1.7 239 16 292.1 292.8 283.0 303.9 4.05 6 735 2584 -2.3 -5.7 77 3.4 -3.7 231 16 295.8 296.4 283.8 305.9 3.40 7 700 2969 -5.9 -6.4 96 0.5 -6.1 225 15 296.0 296.6 283.8 306.1 3.38 8 699 2980 -5.9 -6.4 96 0.5 -6.1 225 15 296.1 296.7 283.9 306.2 3.39 9 660 3430 -6.9 -10.2 77 3.3 -8.1 235 15 299.8 300.3 284.6 308.0 2.66 10 657 3465 -6.7 -10.9 72 4.2 -8.2 235 15 300.5 300.9 284.7 308.3 2.53 11 613 4003 -10.5 -15.5 67 5.0 -12.1 247 15 302.1 302.5 284.5 308.0 1.87 12 580 4427 -14.3 -16.0 87 1.7 -14.8 256 15 302.5 302.8 284.7 308.4 1.89 13 530 5107 -17.9 -28.9 38 11.0 -20.0 270 15 306.1 306.2 284.7 308.3 0.66 14 500 5540 -21.5 -31.5 40 10.0 -23.1 280 15 306.8 306.9 284.8 308.7 0.55 15 400 7140 -34.1 -41.1 49 7.0 -34.7 305 36 310.7 310.7 285.9 311.6 0.26 16 362 7829 -40.3 -43.2 74 2.9 -40.5 302 30 311.4 311.4 286.1 312.2 0.23 17 351 8039 -41.5 -48.5 47 7.0 -41.9 300 28 312.5 312.5 286.4 313.0 0.13 18 345 8156 -42.7 -48.7 52 6.0 -43.0 300 27 312.4 312.5 286.4 312.9 0.13 19 340 8254 -42.9 -51.9 37 9.0 -43.3 299 26 313.5 313.5 286.7 313.8 0.09 20 333 8395 -42.1 -67.1 5 25.0 -42.8 299 25 316.4 316.4 287.6 316.5 0.01 21 313 8814 -41.7 -72.7 2 31.0 -42.5 296 22 322.6 322.7 289.6 322.7 0.01 22 300 9100 -43.7 -72.7 3 29.0 -44.3 295 19 323.8 323.8 289.9 323.8 0.01 23 297 9167 -44.3 -73.3 3 29.0 -44.9 292 19 323.8 323.9 289.9 323.9 0.01 24 253 10231 -47.1 -77.1 2 30.0 -47.6 245 13 334.9 334.9 293.0 334.9 0.00 25 250 10310 -46.7 -77.7 2 31.0 -47.3 245 17 336.6 336.6 293.5 336.7 0.00 26 200 11790 -47.9 -81.9 1 34.0 -48.5 220 3 356.9 356.9 298.1 356.9 0.00 27 150 13670 -49.9 -84.9 1 35.0 -50.5 225 15 384.1 384.1 302.9 384.1 0.00 28 100 16290 -54.3 -87.3 1 33.0 -54.9 225 1 422.8 422.8 308.0 422.8 0.00 29 81 17627 -57.9 -87.9 1 30.0 -58.4 275 1 441.7 441.7 310.0 441.7 0.00 30 70 18550 -56.1 -88.1 1 32.0 -56.8 310 1 464.4 464.4 312.1 464.4 0.00 31 50 20680 -57.9 -88.9 1 31.0 -58.6 130 11 507.0 507.0 315.4 507.0 0.00 32 49 20808 -58.1 -89.1 1 31.0 -58.8 128 11 509.5 509.5 315.6 509.5 0.00 33 44 21493 -54.7 -88.7 1 34.0 -55.9 119 11 533.7 533.7 317.2 533.8 0.00 34 39 22265 -55.9 -88.9 1 33.0 -57.1 108 11 549.4 549.4 318.1 549.5 0.00 35 30 23940 -55.5 -89.5 1 34.0 -57.0 85 11 593.3 593.3 320.3 593.4 0.00 36 26 24853 -55.7 -88.7 1 33.0 -57.3 94 19 617.6 617.6 321.4 617.6 0.01 37 20 26540 -52.3 -88.3 1 36.0 -55.2 110 35 676.1 676.1 323.6 676.1 0.01 38 12 29841 -52.9 -88.9 1 36.0 -56.8 99 26 780.3 780.3 326.7 780.4 0.01 39 10 31030 -48.3 -86.3 0 38.0 -54.5 95 23 839.3 839.3 328.1 839.5 0.02 40 9.4 31438 -47.3 -86.3 0 39.0 -54.2 858.0 858.0 328.5 858.3 0.02 41 7.6 32833 -51.1 -88.1 0 37.0 -57.1 896.5 896.5 329.4 896.7 0.02 42 6.4 33972 -42.5 -82.5 0 40.0 -53.5 978.1 978.1 330.8 978.9 0.07 TRP 253 10231 -47.1 -77.1 2 30.0 -47.6 245 13 334.9 334.9 293.0 334.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5437.00 m Freezing level: 843.71 mb = 1487.92 m = 4881.55 ft Wetbulb zero: 862.76 mb = 1306.49 m = 4286.33 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 77.01 % Est. max temperature: 12.20 C = 53.96 F Sfc-Lift cond lev (LCL): 958.18 mb = 454.09 m = 1489.78 ft T: 5.84 C 700-500 lapse rate: 6.07 C/km ThetaE index: 0.16 C Layer 850.0- 795.0 mb Conv cond level (CCL): 874.32 mb = 1198.84 m = 3933.15 ft Mean mixing ratio: 4.96 g/kg Conv temperature: 10.52 C = 50.93 F Cap Strength: 9.15 C Lifted Index: 9.12 C Risk: None Lifted Index @300 mb: 18.62 C Lifted Index @700 mb: 4.92 C Showalter Index: 9.24 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.30 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 136.50 Risk: None Energy Index: 2.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.04 J/kg Max Up Vert Vel: 5.49 m/s Conv Inhibition (B-): 72303.38 J/kg Cap Strength: 9.17 C Lift Cond Lev (LCL): 899.63 mb = 968.00 m = 3175.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 12 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 ---------------------------------------------------------- 0 976 303 145 3 -1.7 2.5 | 111 14 -13.1 5.2 1 925 743 245 15 13.6 6.3 | 194 9 2.2 9.0 2 850 1427 250 17 16.0 5.8 | 208 10 4.6 8.5 3 700 2969 225 15 10.6 10.6 | 177 13 -0.8 13.3 4 500 5540 280 15 14.8 -2.6 | 268 3 3.4 0.1 5 400 7140 305 36 29.5 -20.6 | 315 25 18.1 -18.0 6 300 9100 295 19 17.2 -8.0 | 312 8 5.8 -5.3 7 253 10231 245 13 11.8 5.5 | 183 8 0.4 8.2 8 250 10310 245 17 15.4 7.2 | 202 11 4.0 9.9 9 200 11790 220 3 1.9 2.3 | 118 11 -9.5 5.0 10 150 13670 225 15 10.6 10.6 | 177 13 -0.8 13.3 11 100 16290 225 1 0.7 0.7 | 108 11 -10.7 3.4 12 70 18550 310 1 0.8 -0.6 | 101 11 -10.6 2.1 13 50 20680 130 11 -8.4 7.1 | 116 22 -19.8 9.8 14 30 23940 85 11 -11.0 -1.0 | 94 22 -22.3 1.7 15 20 26540 110 35 -32.9 12.0 | 108 47 -44.3 14.7 16 10 31030 95 23 -22.9 2.0 | 98 35 -34.3 4.7 Wind Parameters Mean winds (0-6000m): 253.3 at 15.6 knts Storm direction: 283.3 at 11.7 knts Shear (0-3000m) pos: 3.1 neg: 1.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 70.7 deg Storm rel helicity (0-3000m) pos: 73.1 neg: -18.3 tot: 54.8 m^2/s^2 ave: 18.3 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.35 Bulk Shear: 6.40 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 ------------------------------------------------------------------------------- 500 236 10 158 9| 16.5 0.0 16.5| 64.2 0.0 64.2 128.4 0.93| 20.8 19.4 1000 244 13 181 8| 9.1 0.0 9.1| 68.6 0.0 68.6 68.6 0.94| 11.3 10.6 1500 245 14 189 9| 6.0 0.5 6.6| 69.5 -4.1 65.4 43.6 0.80| 8.3 6.7 2000 244 15 191 9| 4.5 1.0 5.5| 69.5 -10.2 59.3 29.7 0.65| 6.8 4.5 2500 241 15 190 10| 3.6 1.3 4.9| 69.5 -16.6 52.9 21.2 0.53| 5.9 3.2 3000 239 15 188 10| 3.1 1.0 4.1| 73.1 -18.3 54.8 18.3 0.51| 5.3 2.7 4000 240 15 189 10| 2.6 0.8 3.4| 82.2 -18.3 63.9 16.0 0.53| 4.7 2.5 5000 245 15 193 9| 2.3 0.6 2.9| 88.2 -18.3 69.9 14.0 0.56| 4.3 2.4 6000 253 16 206 8| 2.9 0.5 3.4| 97.6 -18.3 79.3 13.2 0.53| 4.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250419.06.gif