UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120506.upa.cvt Date: 0600Z 5 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:0600Z 5 DEC 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 71 SFC 972 302 3.2 2.5 95 0.7 2.9 260 1 278.6 279.4 277.4 291.5 4.71 2 967 344 3.0 3.0 100 0.0 3.0 252 1 278.8 279.6 277.8 292.3 4.91 3 945 532 4.2 4.2 100 0.0 4.2 217 3 281.9 282.8 280.0 297.0 5.47 4 925 706 3.4 3.2 99 0.2 3.3 185 5 282.8 283.7 280.1 297.3 5.21 5 850 1388 -0.5 -0.5 100 0.0 -0.5 165 17 285.6 286.4 280.4 297.9 4.34 6 819 1684 -2.3 -2.3 100 0.0 -2.3 165 18 286.8 287.5 280.5 298.0 3.94 7 713 2780 -5.7 -5.8 99 0.1 -5.7 165 22 294.6 295.2 283.4 304.9 3.48 8 700 2924 -5.9 -6.7 94 0.8 -6.2 165 23 296.0 296.5 283.7 305.8 3.30 9 655 3443 -7.9 -8.8 93 0.9 -8.2 166 26 299.4 299.9 284.8 308.5 3.00 10 500 5490 -21.9 -22.3 97 0.4 -22.0 170 36 306.3 306.6 285.5 310.5 1.28 11 489 5653 -23.3 -23.8 96 0.5 -23.4 170 38 306.6 306.8 285.4 310.3 1.14 12 486 5698 -23.7 -31.7 48 8.0 -24.9 170 38 306.6 306.7 284.8 308.5 0.55 13 484 5728 -23.7 -30.7 53 7.0 -24.8 170 39 307.0 307.1 284.9 309.1 0.61 14 475 5865 -25.1 -40.1 23 15.0 -26.8 170 40 306.9 307.0 284.5 307.8 0.24 15 419 6763 -31.5 -35.4 68 3.9 -32.0 170 50 309.9 310.0 285.8 311.5 0.45 16 410 6917 -32.5 -38.5 55 6.0 -33.1 170 52 310.5 310.6 285.9 311.7 0.33 17 400 7090 -34.1 -40.1 55 6.0 -34.7 170 54 310.7 310.7 285.9 311.7 0.29 18 370 7631 -39.1 -42.5 70 3.4 -39.4 171 54 311.0 311.1 286.0 311.9 0.24 19 300 9030 -52.5 -57.5 55 5.0 -52.6 175 54 311.3 311.4 285.9 311.6 0.05 20 292 9204 -54.3 -59.3 54 5.0 -54.4 173 53 311.2 311.2 285.8 311.4 0.04 21 250 10180 -61.9 -66.6 53 4.7 -61.9 160 48 314.0 314.0 286.8 314.1 0.02 22 247 10254 -62.5 -67.5 51 5.0 -62.6 161 49 314.2 314.2 286.8 314.3 0.02 23 227 10772 -64.5 -69.2 52 4.7 -64.6 164 53 318.9 318.9 288.4 318.9 0.02 24 224 10853 -64.9 -70.9 43 6.0 -65.0 165 54 319.5 319.5 288.6 319.5 0.01 25 221 10936 -62.3 -75.3 16 13.0 -62.4 167 53 324.7 324.7 290.2 324.7 0.01 26 200 11550 -63.3 -77.3 13 14.0 -63.4 180 44 332.5 332.5 292.4 332.5 0.01 27 181 12164 -60.9 -78.9 8 18.0 -61.0 185 37 346.1 346.1 295.7 346.1 0.00 28 150 13330 -59.7 -81.7 4 22.0 -59.9 195 25 367.2 367.2 300.1 367.2 0.00 29 100 15850 -61.1 -85.1 3 24.0 -61.4 220 19 409.7 409.7 306.5 409.7 0.00 30 82 17077 -60.7 -85.7 2 25.0 -61.0 239 20 434.4 434.4 309.3 434.4 0.00 31 70 18050 -63.7 -86.7 3 23.0 -64.0 255 21 448.1 448.1 310.7 448.1 0.00 32 64 18597 -65.7 -87.7 3 22.0 -65.9 251 24 455.4 455.4 311.4 455.4 0.00 33 60 18991 -64.5 -87.5 3 23.0 -64.8 248 26 466.5 466.5 312.4 466.5 0.00 34 50 20100 -66.5 -88.5 3 22.0 -66.7 240 33 486.8 486.8 314.0 486.8 0.00 35 30 23160 -70.9 -90.9 4 20.0 -71.1 255 58 551.4 551.4 318.2 551.4 0.00 36 26 24005 -73.1 -92.1 4 19.0 -73.3 259 61 568.1 568.1 319.0 568.2 0.00 37 20 25560 -69.1 -91.1 3 22.0 -69.5 265 66 624.7 624.7 321.7 624.7 0.00 38 16 26883 -72.5 -92.5 3 20.0 -72.8 654.7 654.7 322.9 654.8 0.00 39 12 28579 -71.1 -93.1 2 22.0 -71.6 715.8 715.8 324.9 715.9 0.01 TRP 224 10853 -64.9 -70.9 43 6.0 -65.0 165 54 319.5 319.5 288.6 319.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5419.00 m Freezing level: 859.62 mb = 1300.56 m = 4266.89 ft Wetbulb zero: 860.00 mb = 1293.71 m = 4244.40 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 96.98 % Est. max temperature: 11.19 C = 52.14 F Sfc-Lift cond lev (LCL): 961.52 mb = 390.40 m = 1280.84 ft T: 3.30 C 700-500 lapse rate: 6.24 C/km Conv cond level (CCL): 972.00 mb = 302.12 m = 991.18 ft Mean mixing ratio: 5.04 g/kg Conv temperature: 3.44 C = 38.19 F Cap Strength: 7.31 C Lifted Index: 9.49 C Risk: None Lifted Index @300 mb: 10.59 C Lifted Index @700 mb: 5.56 C Showalter Index: 8.55 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 21.40 C K Index: 20.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 70.00 Risk: None Energy Index: 2.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.12 J/kg Max Up Vert Vel: 6.50 m/s Conv Inhibition (B-): 45766.27 J/kg Cap Strength: 9.32 C Lift Cond Lev (LCL): 919.18 mb = 756.87 m = 2483.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 198 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 ---------------------------------------------------------- 0 972 302 260 1 1.0 0.2 | 15 18 -4.8 -17.6 1 925 706 185 5 0.4 5.0 | 23 14 -5.4 -12.8 2 850 1388 165 17 -4.4 16.4 | 83 10 -10.2 -1.3 3 700 2924 165 23 -6.0 22.2 | 111 13 -11.8 4.5 4 500 5490 170 36 -6.3 35.5 | 146 21 -12.1 17.7 5 400 7090 170 54 -9.4 53.2 | 157 39 -15.2 35.4 6 300 9030 175 54 -4.7 53.8 | 164 38 -10.5 36.0 7 250 10180 160 48 -16.4 45.1 | 141 35 -22.2 27.3 8 224 10853 165 54 -14.0 52.2 | 150 40 -19.8 34.4 9 200 11550 180 44 0.0 44.0 | 168 27 -5.8 26.2 10 150 13330 195 25 6.5 24.1 | 186 6 0.7 6.4 11 100 15850 220 19 12.2 14.6 | 297 7 6.4 -3.2 12 70 18050 255 21 20.3 5.4 | 310 19 14.5 -12.3 13 50 20100 240 33 28.6 16.5 | 273 23 22.8 -1.3 14 30 23160 255 58 56.0 15.0 | 273 50 50.2 -2.7 15 20 25560 265 66 65.7 5.8 | 281 61 59.9 -12.0 Wind Parameters Mean winds (0-6000m): 168.1 at 24.9 knts Storm direction: 198.1 at 18.7 knts Shear (0-3000m) pos: 0.4 neg: 3.9 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 102.8 deg Storm rel helicity (0-3000m) pos: 59.2 neg: -2.6 tot: 56.7 m^2/s^2 ave: 18.9 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 62.37 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 ------------------------------------------------------------------------------- 500 191 4 20 15| 0.0 6.7 6.7| 12.1 -2.6 9.6 19.2 0.37| 7.6 2.8 1000 175 7 32 12| 0.0 8.0 8.0| 33.4 -2.6 30.8 30.8 0.65| 8.6 5.6 1500 169 11 47 11| 0.0 6.4 6.4| 41.6 -2.6 39.0 26.0 0.70| 6.8 4.8 2000 168 13 59 10| 0.0 5.3 5.3| 46.9 -2.6 44.3 22.2 0.72| 5.6 4.0 2500 167 15 69 10| 0.0 4.7 4.7| 52.2 -2.6 49.6 19.8 0.73| 4.9 3.6 3000 166 16 78 10| 0.4 3.9 4.3| 59.2 -2.6 56.7 18.9 0.74| 4.5 3.3 4000 167 19 94 10| 1.0 2.9 3.9| 75.2 -2.6 72.6 18.1 0.75| 4.0 3.0 5000 167 22 109 11| 1.3 2.3 3.6| 92.2 -2.6 89.7 17.9 0.74| 3.8 2.8 6000 168 25 121 13| 1.5 2.4 3.9|116.9 -2.6 114.4 19.1 0.66| 4.0 2.6 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251205.06.gif