UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120711.upa.cvt Date: 1100Z 7 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:1100Z 7 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 118 SFC 978 302 9.2 4.4 72 4.8 6.8 200 5 284.2 285.1 281.0 299.1 5.36 2 925 760 4.2 3.7 97 0.5 3.9 255 17 283.6 284.5 280.7 298.6 5.39 3 901 974 3.2 2.0 92 1.2 2.7 257 18 284.7 285.6 280.7 298.5 4.90 4 896 1019 3.8 0.1 77 3.7 2.1 257 18 285.8 286.5 280.4 298.0 4.30 5 850 1445 0.6 -1.2 88 1.8 -0.2 260 19 286.8 287.5 280.7 298.5 4.12 6 806 1869 -3.3 -3.3 100 0.0 -3.3 260 20 287.0 287.7 280.3 297.7 3.72 7 771 2220 -3.9 -7.1 78 3.2 -5.1 260 21 290.0 290.6 280.7 298.6 2.91 8 764 2292 -4.3 -6.6 84 2.3 -5.2 260 21 290.4 290.9 281.0 299.3 3.05 9 700 2975 -9.7 -10.7 92 1.0 -10.1 260 23 291.7 292.2 280.8 298.9 2.41 10 686 3130 -10.9 -11.3 97 0.4 -11.1 261 23 292.1 292.5 281.0 299.1 2.35 11 665 3368 -12.7 -14.7 85 2.0 -13.3 262 23 292.7 293.0 280.6 298.3 1.84 12 626 3827 -14.1 -31.1 22 17.0 -17.1 263 23 296.2 296.3 280.3 297.7 0.46 13 623 3863 -14.1 -33.1 18 19.0 -17.3 263 23 296.6 296.7 280.4 297.9 0.38 14 570 4530 -19.1 -42.1 11 23.0 -21.7 266 23 298.4 298.4 280.8 298.9 0.17 15 545 4862 -21.7 -38.7 20 17.0 -23.7 267 23 299.1 299.2 281.3 300.0 0.25 16 540 4929 -22.1 -29.1 53 7.0 -23.2 268 23 299.4 299.5 282.0 301.5 0.64 17 529 5080 -23.3 -25.8 80 2.5 -23.8 268 23 299.8 299.9 282.4 302.6 0.88 18 500 5490 -25.7 -36.7 35 11.0 -27.0 270 23 301.7 301.8 282.5 302.8 0.33 19 492 5607 -26.7 -37.7 35 11.0 -27.9 270 23 301.9 301.9 282.5 302.9 0.30 20 424 6664 -35.1 -47.1 28 12.0 -35.8 274 26 304.3 304.3 283.3 304.7 0.13 21 400 7070 -36.7 -55.7 12 19.0 -37.5 275 27 307.3 307.3 284.4 307.5 0.05 22 381 7406 -38.3 -57.3 12 19.0 -39.1 282 32 309.5 309.5 285.2 309.7 0.04 23 347 8045 -41.5 -65.5 6 24.0 -42.2 295 40 313.5 313.5 286.6 313.6 0.02 24 300 9020 -47.3 -71.3 5 24.0 -47.7 315 54 318.7 318.7 288.3 318.7 0.01 25 280 9474 -49.7 -68.7 9 19.0 -50.0 323 62 321.6 321.6 289.2 321.6 0.01 26 276 9568 -50.1 -68.7 9 18.6 -50.4 325 64 322.3 322.3 289.5 322.4 0.01 27 250 10210 -52.9 -68.9 13 16.0 -53.1 320 54 327.4 327.4 291.0 327.5 0.01 28 233 10663 -54.3 -71.3 11 17.0 -54.5 318 50 332.0 332.0 292.3 332.0 0.01 29 200 11640 -55.5 -79.5 3 24.0 -55.8 315 40 344.9 344.9 295.5 344.9 0.00 30 187 12066 -56.7 -81.7 3 25.0 -56.9 312 39 349.6 349.6 296.5 349.6 0.00 31 178 12377 -58.1 -82.1 3 24.0 -58.3 310 38 352.3 352.3 297.1 352.3 0.00 32 150 13450 -59.3 -83.3 3 24.0 -59.5 300 27 367.9 367.9 300.2 367.9 0.00 33 124 14637 -60.1 -86.1 2 26.0 -60.3 305 29 387.0 387.0 303.3 387.1 0.00 34 100 15960 -65.1 -86.1 4 21.0 -65.3 310 31 401.9 401.9 305.5 402.0 0.00 35 84 17023 -65.3 -87.3 3 22.0 -65.5 305 35 422.1 422.1 308.0 422.1 0.00 36 72 17952 -69.5 -88.5 5 19.0 -69.6 301 39 432.2 432.2 309.1 432.2 0.00 37 70 18120 -69.5 -88.5 5 19.0 -69.6 300 40 435.7 435.7 309.4 435.7 0.00 38 55 19565 -66.5 -89.5 3 23.0 -66.7 300 51 473.7 473.7 313.0 473.7 0.00 39 50 20140 -67.3 -89.3 3 22.0 -67.5 300 56 484.9 484.9 313.8 484.9 0.00 40 40 21477 -70.5 -90.5 4 20.0 -70.7 291 56 508.8 508.8 315.5 508.8 0.00 41 33 22628 -67.7 -90.7 2 23.0 -68.0 284 56 545.0 545.0 317.8 545.0 0.00 42 30 23200 -69.3 -91.3 3 22.0 -69.6 280 56 555.7 555.7 318.4 555.7 0.00 43 26 24048 -71.5 -92.5 3 21.0 -71.8 284 60 572.7 572.7 319.3 572.7 0.00 44 20 25610 -67.3 -92.3 2 25.0 -67.8 290 66 630.2 630.2 321.9 630.2 0.00 45 18 26248 -65.9 -90.9 2 25.0 -66.6 288 69 653.9 653.9 322.9 653.9 0.01 46 11 29186 -73.3 -94.3 3 21.0 -73.7 281 82 725.9 725.9 325.3 725.9 0.00 47 10 29750 -69.5 -94.5 1 25.0 -70.3 280 85 760.1 760.1 326.2 760.2 0.00 48 7.4 31579 -62.1 -90.1 1 28.0 -64.4 858.6 858.6 328.6 858.7 0.02 49 6.5 32377 -63.9 -89.9 2 26.0 -66.0 883.4 883.4 329.1 883.6 0.02 50 5.8 33085 -58.1 -89.1 1 31.0 -62.1 938.0 938.0 330.1 938.2 0.02 51 5.6 33309 -52.9 -86.9 1 34.0 -59.2 970.4 970.4 330.7 970.7 0.04 52 5.3 33663 -53.7 -85.7 1 32.0 -59.7 982.2 982.2 330.9 982.7 0.05 53 5.0 34042 -48.3 -82.3 1 34.0 -57.2 1023.3 1023.3 331.5 1024.3 0.09 TRP 178 12377 -58.1 -82.1 3 24.0 -58.3 310 38 352.3 352.3 297.1 352.3 0.00 WND 276 9568 -50.1 -68.7 9 18.6 -50.4 325 64 322.3 322.3 289.5 322.4 0.01 Sounding variables and indices 1000-500 mb thick: 5372.00 m Freezing level: 843.23 mb = 1510.21 m = 4954.70 ft Wetbulb zero: 854.21 mb = 1405.04 m = 4609.65 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 66.19 % Est. max temperature: 11.93 C = 53.48 F Sfc-Lift cond lev (LCL): 909.03 mb = 901.58 m = 2957.91 ft T: 3.54 C 700-500 lapse rate: 6.36 C/km ThetaE index: 1.15 C Layer 925.0- 850.0 mb Conv cond level (CCL): 869.05 mb = 1265.84 m = 4152.97 ft Mean mixing ratio: 5.07 g/kg Conv temperature: 11.40 C = 52.52 F Cap Strength: 3.16 C Lifted Index: 4.22 C Risk: None Lifted Index @300 mb: 14.32 C Lifted Index @700 mb: 0.53 C Showalter Index: 4.28 C Risk: None Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 24.50 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 97.00 Risk: None Energy Index: 0.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.54 J/kg Max Up Vert Vel: 5.01 m/s Conv Inhibition (B-): 20.42 J/kg Cap Strength: 4.03 C Lift Cond Lev (LCL): 894.68 mb = 1030.85 m = 3382.02 ft Lev Free Conv (LFC): 819.68 mb = 1734.68 m = 5691.13 ft Equ Level (EL): 789.68 mb = 2030.66 m = 6662.18 ft B at Equ Level: 11.50 J/kg Max Parcel Lev (MPL): 749.68 mb = 2439.69 m = 8004.14 ft Wind level data Storm motion: 293 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 ---------------------------------------------------------- 0 978 302 200 5 1.7 4.7 | 130 17 -12.9 11.0 1 925 760 255 17 16.4 4.4 | 189 11 1.8 10.7 2 850 1445 260 19 18.7 3.3 | 203 10 4.1 9.6 3 700 2975 260 23 22.7 4.0 | 218 13 8.0 10.3 4 500 5490 270 23 23.0 -0.0 | 233 10 8.4 6.3 5 400 7070 275 27 26.9 -2.4 | 252 13 12.3 4.0 6 300 9020 315 54 38.2 -38.2 | 324 40 23.6 -31.9 7 276 9568 325 64 36.7 -52.4 | 334 51 22.1 -46.1 8 250 10210 320 54 34.7 -41.4 | 330 40 20.1 -35.0 9 200 11640 315 40 28.3 -28.3 | 328 26 13.7 -22.0 10 178 12377 310 38 29.1 -24.4 | 321 23 14.5 -18.1 11 150 13450 300 27 23.4 -13.5 | 309 11 8.8 -7.2 12 100 15960 310 31 23.7 -19.9 | 326 16 9.1 -13.6 13 70 18120 300 40 34.6 -20.0 | 304 24 20.0 -13.7 14 50 20140 300 56 48.5 -28.0 | 303 40 33.9 -21.7 15 30 23200 280 56 55.1 -9.7 | 275 41 40.5 -3.4 16 20 25610 290 66 62.0 -22.6 | 289 50 47.4 -16.3 17 10 29750 280 85 83.7 -14.8 | 277 70 69.1 -8.4 Wind Parameters Mean winds (0-6000m): 263.4 at 21.2 knts Storm direction: 293.4 at 15.9 knts Shear (0-3000m) pos: 3.2 neg: 0.4 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 89.2 deg Storm rel helicity (0-3000m) pos: 74.2 neg: 0.0 tot: 74.2 m^2/s^2 ave: 24.7 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.79 Bulk Shear: 15.88 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 ------------------------------------------------------------------------------- 500 245 12 159 12| 15.3 0.0 15.3| 56.9 0.0 56.9 113.9 0.92| 16.8 15.4 1000 253 15 177 11| 8.5 0.0 8.5| 62.1 0.0 62.1 62.1 0.92| 9.3 8.6 1500 256 16 186 10| 6.2 0.0 6.2| 65.7 0.0 65.7 43.8 0.92| 6.7 6.2 2000 257 17 192 10| 4.6 0.3 5.0| 68.8 0.0 68.8 34.4 0.91| 5.4 4.9 2500 258 18 197 11| 3.7 0.5 4.2| 71.8 0.0 71.8 28.7 0.90| 4.6 4.1 3000 258 19 201 11| 3.2 0.4 3.6| 74.2 0.0 74.2 24.7 0.89| 4.0 3.5 4000 260 20 207 11| 2.4 0.3 2.8| 78.0 0.0 78.0 19.5 0.88| 3.2 2.8 5000 261 21 212 11| 2.0 0.3 2.3| 81.7 0.0 81.7 16.3 0.88| 2.7 2.4 6000 263 21 216 11| 1.9 0.2 2.1| 88.3 0.0 88.3 14.7 0.88| 2.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251207.11.gif