UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120706.upa.cvt Date: 0600Z 7 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:0600Z 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 113 SFC 977 303 4.0 1.7 85 2.3 2.9 175 7 279.0 279.8 277.2 291.2 4.42 2 948 550 6.0 3.2 82 2.8 4.6 216 14 283.4 284.3 280.3 297.6 5.08 3 925 751 5.0 2.7 85 2.3 3.9 250 19 284.4 285.3 280.7 298.5 5.02 4 884 1121 3.6 -0.8 73 4.4 1.6 258 19 286.7 287.4 280.6 298.3 4.08 5 850 1438 0.8 -1.5 85 2.3 -0.2 265 19 287.0 287.7 280.7 298.5 4.03 6 787 2051 -4.5 -4.5 100 0.0 -4.5 263 16 287.7 288.3 280.3 297.7 3.48 7 712 2834 -8.7 -8.7 100 0.0 -8.7 260 12 291.4 291.9 281.2 299.7 2.78 8 700 2966 -9.1 -10.2 92 1.1 -9.5 260 11 292.4 292.9 281.3 299.9 2.51 9 663 3384 -11.1 -15.9 68 4.8 -12.5 259 14 294.7 295.0 281.3 299.9 1.67 10 580 4397 -17.7 -22.2 68 4.5 -18.7 257 20 298.5 298.7 282.2 302.1 1.11 11 536 4982 -21.5 -31.5 40 10.0 -23.1 256 24 300.8 300.9 282.4 302.5 0.51 12 518 5233 -23.3 -28.3 63 5.0 -24.1 256 25 301.6 301.7 283.0 303.9 0.72 13 500 5490 -25.5 -30.5 63 5.0 -26.2 255 27 301.9 302.1 283.0 304.0 0.60 14 474 5876 -28.9 -32.1 74 3.2 -29.3 257 26 302.4 302.5 283.1 304.2 0.55 15 461 6075 -30.1 -38.1 46 8.0 -30.9 259 26 303.3 303.4 283.1 304.4 0.31 16 407 6950 -38.1 -40.1 81 2.0 -38.2 264 23 304.0 304.0 283.4 305.0 0.29 17 400 7070 -38.9 -41.0 80 2.1 -39.1 265 23 304.4 304.5 283.5 305.4 0.26 18 349 7988 -47.1 -49.4 77 2.3 -47.2 258 21 305.5 305.5 283.8 305.9 0.12 19 331 8336 -49.9 -54.1 61 4.2 -50.0 255 20 306.3 306.3 284.0 306.6 0.07 20 317 8618 -49.1 -65.1 14 16.0 -49.4 253 20 311.2 311.2 285.8 311.3 0.02 21 300 8980 -48.3 -69.3 7 21.0 -48.7 250 19 317.3 317.3 287.9 317.3 0.01 22 297 9046 -48.3 -70.3 6 22.0 -48.7 249 19 318.2 318.2 288.2 318.2 0.01 23 250 10160 -54.5 -70.5 12 16.0 -54.7 240 21 325.0 325.0 290.3 325.1 0.01 24 246 10263 -55.1 -71.1 12 16.0 -55.3 245 23 325.6 325.7 290.5 325.7 0.01 25 200 11590 -54.5 -79.5 3 25.0 -54.8 290 36 346.5 346.5 295.8 346.5 0.00 26 192 11852 -52.7 -80.7 2 28.0 -53.1 291 35 353.4 353.4 297.4 353.4 0.00 27 150 13420 -58.9 -82.9 3 24.0 -59.1 300 29 368.6 368.6 300.3 368.6 0.00 28 112 15243 -63.7 -85.7 3 22.0 -63.8 304 34 391.7 391.7 304.0 391.8 0.00 29 100 15940 -64.7 -85.7 4 21.0 -64.8 305 36 402.7 402.7 305.6 402.7 0.00 30 70 18090 -67.7 -88.7 3 21.0 -67.8 305 36 439.5 439.6 309.8 439.6 0.00 31 55 19538 -70.5 -89.5 4 19.0 -70.6 305 43 464.5 464.5 312.2 464.5 0.00 32 51 19991 -67.9 -88.9 3 21.0 -68.1 305 45 480.7 480.7 313.5 480.8 0.00 33 50 20110 -68.7 -88.7 4 20.0 -68.9 305 46 481.6 481.6 313.6 481.6 0.00 34 42 21148 -70.3 -90.3 4 20.0 -70.5 300 50 502.3 502.3 315.1 502.3 0.00 35 38 21747 -66.7 -89.7 3 23.0 -67.0 297 52 526.0 526.0 316.7 526.0 0.00 36 33 22591 -70.3 -91.3 3 21.0 -70.5 293 56 538.1 538.1 317.4 538.1 0.00 37 30 23160 -68.1 -91.1 2 23.0 -68.4 290 58 559.0 559.0 318.6 559.0 0.00 38 29 23363 -67.1 -90.1 2 23.0 -67.5 290 59 567.2 567.2 319.0 567.2 0.00 39 23 24752 -69.1 -91.1 3 22.0 -69.5 287 63 600.2 600.2 320.6 600.2 0.00 40 20 25590 -66.9 -90.9 2 24.0 -67.5 285 66 631.4 631.4 322.0 631.4 0.00 41 13 28162 -71.5 -93.5 2 22.0 -72.0 276 82 698.2 698.3 324.4 698.3 0.00 42 11 29161 -66.3 -92.3 1 26.0 -67.4 272 88 751.3 751.3 326.0 751.4 0.01 43 10 29740 -64.9 -90.9 2 26.0 -66.2 270 91 777.3 777.3 326.7 777.4 0.01 44 7.8 31266 -62.1 -89.1 2 27.0 -64.4 845.8 845.8 328.3 845.9 0.02 TRP 246 10263 -55.1 -71.1 12 16.0 -55.3 245 23 325.6 325.7 290.5 325.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5377.00 m Freezing level: 840.49 mb = 1530.53 m = 5021.37 ft Wetbulb zero: 854.02 mb = 1399.85 m = 4592.63 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 77.09 % Est. max temperature: 12.20 C = 53.95 F Sfc-Lift cond lev (LCL): 942.86 mb = 594.15 m = 1949.27 ft T: 5.78 C 700-500 lapse rate: 6.50 C/km ThetaE index: 0.77 C Layer 787.0- 712.0 mb Conv cond level (CCL): 846.06 mb = 1474.96 m = 4839.05 ft Mean mixing ratio: 4.69 g/kg Conv temperature: 11.98 C = 53.56 F Cap Strength: 5.45 C Lifted Index: 5.42 C Risk: None Lifted Index @300 mb: 14.32 C Lifted Index @700 mb: 1.95 C Showalter Index: 4.51 C Risk: None Total Totals Index: 50.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 24.00 C K Index: 23.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 91.00 Risk: None Energy Index: 1.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.39 J/kg Max Up Vert Vel: 7.13 m/s Conv Inhibition (B-): 51068.58 J/kg Cap Strength: 5.46 C Lift Cond Lev (LCL): 884.19 mb = 1118.87 m = 3670.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 14 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 ---------------------------------------------------------- 0 977 303 175 7 -0.6 7.0 | 129 18 -13.9 11.1 1 925 751 250 19 17.9 6.5 | 203 12 4.6 10.6 2 850 1438 265 19 18.9 1.7 | 224 8 5.6 5.8 3 700 2966 260 11 10.8 1.9 | 158 6 -2.5 6.0 4 500 5490 255 27 26.1 7.0 | 229 17 12.8 11.1 5 400 7070 265 23 22.9 2.0 | 238 11 9.6 6.1 6 300 8980 250 19 17.9 6.5 | 203 12 4.6 10.6 7 250 10160 240 21 18.2 10.5 | 199 15 4.9 14.6 8 246 10263 245 23 20.8 9.7 | 209 16 7.5 13.8 9 200 11590 290 36 33.8 -12.3 | 292 22 20.5 -8.2 10 150 13420 300 29 25.1 -14.5 | 311 16 11.8 -10.4 11 100 15940 305 36 29.5 -20.6 | 316 23 16.2 -16.5 12 70 18090 305 36 29.5 -20.6 | 316 23 16.2 -16.5 13 50 20110 305 46 37.7 -26.4 | 312 33 24.4 -22.3 14 30 23160 290 58 54.5 -19.8 | 291 44 41.2 -15.7 15 20 25590 285 66 63.8 -17.1 | 284 52 50.5 -13.0 16 10 29740 270 91 91.0 -0.0 | 267 78 77.7 4.1 Wind Parameters Mean winds (0-6000m): 257.1 at 18.6 knts Storm direction: 287.1 at 13.9 knts Shear (0-3000m) pos: 3.1 neg: 0.7 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 48.1 deg Storm rel helicity (0-3000m) pos: 91.4 neg: -12.4 tot: 78.9 m^2/s^2 ave: 26.3 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.11 Bulk Shear: 8.16 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 ------------------------------------------------------------------------------- 500 235 14 170 12| 19.1 0.0 19.1| 80.2 0.0 80.2 160.4 0.94| 21.9 20.6 1000 248 16 190 10| 10.2 0.0 10.2| 86.9 0.0 86.9 86.9 0.91| 12.8 11.6 1500 254 17 199 9| 6.3 0.0 6.3| 88.1 -2.8 85.3 56.9 0.78| 9.5 7.4 2000 257 17 200 9| 4.7 0.7 5.4| 88.1 -7.2 81.0 40.5 0.63| 7.8 4.9 2500 258 16 197 8| 3.8 1.1 4.9| 88.1 -11.4 76.7 30.7 0.50| 6.8 3.4 3000 258 15 193 7| 3.1 0.7 3.9| 91.4 -12.4 78.9 26.3 0.50| 6.1 3.1 4000 258 16 195 8| 2.4 0.4 2.8|102.0 -12.4 89.5 22.4 0.55| 5.4 2.9 5000 257 17 203 9| 1.9 1.0 2.8|111.7 -12.4 99.2 19.8 0.54| 5.0 2.7 6000 257 19 210 10| 1.6 0.8 2.4|118.1 -12.4 105.7 17.6 0.52| 4.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251207.06.gif