UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:2300Z 18 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 106 SFC 976 306 7.6 6.4 92 1.2 7.0 215 3 282.7 283.8 281.3 299.8 6.18 2 925 747 4.8 3.8 93 1.0 4.3 265 15 284.2 285.2 281.1 299.4 5.43 3 863 1310 1.2 1.2 100 0.0 1.2 277 10 286.2 287.0 281.3 299.8 4.83 4 850 1432 0.6 -0.1 95 0.7 0.3 280 9 286.8 287.6 281.1 299.5 4.47 5 757 2356 -4.3 -4.3 100 0.0 -4.3 253 14 291.1 291.8 282.1 301.9 3.67 6 747 2462 -3.1 -4.0 93 0.9 -3.5 250 14 293.5 294.2 283.3 304.8 3.80 7 700 2975 -5.5 -6.3 94 0.8 -5.8 235 17 296.4 297.0 284.0 306.6 3.41 8 684 3156 -6.7 -7.2 96 0.5 -6.9 231 17 297.0 297.6 284.1 306.8 3.25 9 617 3956 -10.5 -15.0 69 4.5 -11.9 214 18 301.5 301.9 284.4 307.6 1.93 10 500 5540 -22.3 -29.3 53 7.0 -23.5 180 19 305.9 306.0 284.6 308.1 0.68 11 446 6365 -28.9 -38.9 38 10.0 -30.0 165 27 307.7 307.8 284.8 308.7 0.30 12 431 6607 -31.3 -38.3 50 7.0 -32.0 160 30 307.7 307.7 284.9 308.8 0.32 13 400 7130 -34.3 -47.3 26 13.0 -35.2 150 35 310.4 310.4 285.7 310.9 0.13 14 362 7820 -39.3 -55.3 17 16.0 -40.0 150 35 312.7 312.7 286.4 312.9 0.06 15 354 7973 -38.1 -64.1 5 26.0 -39.0 150 35 316.3 316.3 287.6 316.4 0.02 16 300 9100 -42.7 -71.7 3 29.0 -43.4 150 36 325.2 325.2 290.3 325.2 0.01 17 258 10110 -46.1 -76.1 2 30.0 -46.7 165 23 334.5 334.5 292.9 334.5 0.00 18 250 10320 -45.9 -75.9 2 30.0 -46.5 175 21 337.8 337.8 293.8 337.8 0.01 19 200 11800 -47.1 -79.1 1 32.0 -47.8 165 7 358.2 358.2 298.4 358.2 0.00 20 150 13690 -50.5 -82.5 1 32.0 -51.1 200 9 383.1 383.1 302.8 383.1 0.00 21 115 15406 -54.5 -84.5 1 30.0 -55.0 207 10 405.9 405.9 306.0 405.9 0.00 22 100 16300 -54.7 -84.7 1 30.0 -55.2 210 11 422.0 422.0 308.0 422.1 0.00 23 70 18580 -57.3 -86.3 1 29.0 -57.9 210 7 461.8 461.8 312.0 461.8 0.00 24 50 20710 -56.9 -86.9 1 30.0 -57.7 75 7 509.4 509.4 315.6 509.4 0.00 25 43 21663 -58.3 -87.3 1 29.0 -59.1 87 11 528.4 528.4 316.8 528.4 0.00 26 30 23950 -54.3 -86.3 1 32.0 -56.0 115 21 596.6 596.6 320.5 596.7 0.01 27 20 26560 -52.9 -85.9 1 33.0 -55.6 105 23 674.3 674.3 323.6 674.3 0.01 28 19 26891 -51.5 -85.5 1 34.0 -54.7 104 23 688.6 688.6 324.0 688.7 0.01 29 16 28001 -52.5 -85.5 1 33.0 -55.8 100 24 720.0 720.0 325.1 720.1 0.02 30 10 31050 -50.1 -85.1 1 35.0 -55.5 90 27 832.5 832.5 328.0 832.8 0.03 31 9.8 31182 -49.1 -84.1 1 35.0 -55.0 841.1 841.1 328.2 841.4 0.03 32 9.4 31454 -51.3 -85.3 1 34.0 -56.5 842.8 842.9 328.2 843.1 0.03 33 8.0 32518 -44.7 -82.7 1 38.0 -53.5 908.9 908.9 329.6 909.4 0.05 34 7.6 32860 -46.1 -84.1 1 38.0 -54.4 916.7 916.7 329.7 917.1 0.04 35 7.3 33130 -42.9 -82.9 0 40.0 -53.1 940.3 940.4 330.2 940.9 0.06 36 6.9 33509 -44.3 -82.3 1 38.0 -53.9 949.8 949.9 330.4 950.5 0.07 TRP 258 10110 -46.1 -76.1 2 30.0 -46.7 165 23 334.5 334.5 292.9 334.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5434.00 m Freezing level: 838.61 mb = 1545.17 m = 5069.39 ft Wetbulb zero: 844.27 mb = 1485.96 m = 4875.14 ft Precipitable water: 0.67 inches Sfc-500 mean rel hum: 82.90 % Est. max temperature: 12.71 C = 54.88 F Sfc-Lift cond lev (LCL): 958.24 mb = 457.16 m = 1499.84 ft T: 6.64 C 700-500 lapse rate: 6.55 C/km ThetaE index: 0.38 C Layer 925.0- 863.0 mb Conv cond level (CCL): 904.66 mb = 927.40 m = 3042.63 ft Mean mixing ratio: 5.50 g/kg Conv temperature: 9.72 C = 49.50 F Cap Strength: 6.18 C Lifted Index: 6.95 C Risk: None Lifted Index @300 mb: 18.22 C Lifted Index @700 mb: 4.15 C Showalter Index: 7.04 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.20 C K Index: 22.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 37.00 Risk: None Energy Index: 1.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.73 J/kg Max Up Vert Vel: 4.84 m/s Conv Inhibition (B-): 63484.93 J/kg Cap Strength: 6.90 C Lift Cond Lev (LCL): 912.99 mb = 853.03 m = 2798.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 245 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 ---------------------------------------------------------- 0 976 306 215 3 1.7 2.5 | 74 10 -9.2 -2.6 1 925 747 265 15 14.9 1.3 | 313 5 4.0 -3.7 2 850 1432 280 9 8.9 -1.6 | 18 7 -2.1 -6.6 3 700 2975 235 17 13.9 9.8 | 212 6 3.0 4.7 4 500 5540 180 19 0.0 19.0 | 142 18 -11.0 14.0 5 400 7130 150 35 -17.5 30.3 | 132 38 -28.5 25.3 6 300 9100 150 36 -18.0 31.2 | 132 39 -29.0 26.1 7 258 10110 165 23 -6.0 22.2 | 135 24 -16.9 17.2 8 250 10320 175 21 -1.8 20.9 | 141 20 -12.8 15.9 9 200 11800 165 7 -1.8 6.8 | 98 13 -12.8 1.7 10 150 13690 200 9 3.1 8.5 | 113 9 -7.9 3.4 11 100 16300 210 11 5.5 9.5 | 129 7 -5.5 4.5 12 70 18580 210 7 3.5 6.1 | 98 8 -7.5 1.0 13 50 20710 75 7 -6.8 -1.8 | 69 19 -17.7 -6.8 14 30 23950 115 21 -19.0 8.9 | 97 30 -30.0 3.8 15 20 26560 105 23 -22.2 6.0 | 92 33 -33.2 0.9 16 10 31050 90 27 -27.0 0.0 | 82 38 -38.0 -5.0 Wind Parameters Mean winds (0-6000m): 215.3 at 16.1 knts Storm direction: 245.3 at 12.1 knts Shear (0-3000m) pos: 1.6 neg: 2.3 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 121.3 deg Storm rel helicity (0-3000m) pos: 11.3 neg: -14.7 tot: -3.4 m^2/s^2 ave: -1.1 10^-3 m/s^2 rel: -0.28 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.70 Bulk Shear: 16.75 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 ------------------------------------------------------------------------------- 500 259 10 25 3| 13.2 0.0 13.2| 2.6 -2.1 0.5 1.0 -0.27| 15.7 -4.3 1000 266 11 0 4| 4.7 0.0 4.7| 9.8 -2.1 7.7 7.7 0.03| 10.4 0.4 1500 268 11 4 5| 3.1 0.6 3.7| 11.3 -4.5 6.8 4.5 -0.00| 8.1 -0.0 2000 266 11 360 4| 2.3 1.5 3.8| 11.3 -7.4 3.9 1.9 -0.12| 7.1 -0.8 2500 259 12 348 3| 1.9 2.1 4.0| 11.3 -10.5 0.8 0.3 -0.23| 6.7 -1.5 3000 253 13 321 2| 1.6 2.3 3.8| 11.3 -14.7 -3.4 -1.1 -0.28| 6.2 -1.7 4000 241 14 217 2| 1.2 2.3 3.4| 11.3 -25.9 -14.6 -3.6 -0.35| 5.5 -1.9 5000 229 15 184 5| 0.9 2.2 3.2| 11.3 -43.5 -32.2 -6.4 -0.39| 5.1 -2.0 6000 215 16 168 8| 0.8 2.7 3.5| 11.5 -55.4 -43.9 -7.3 -0.35| 5.2 -1.9 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250418.23.gif