UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for LK747... Searching the city database file for: LK747 ... Date:1200Z 5 DEC 25 Station: LK747 WMO ident: 11747 Latitude: 49.45 Longitude: 17.13 ------------------------------------------------------------------------------- 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 93 SFC 985 217 6.6 6.2 97 0.4 6.4 70 1 281.0 282.0 280.3 297.5 6.04 2 925 733 4.8 4.8 100 0.0 4.8 165 25 284.2 285.2 281.5 300.5 5.83 3 850 1418 0.8 0.8 100 0.0 0.8 175 23 287.0 287.8 281.5 300.5 4.77 4 847 1446 0.6 0.6 100 0.0 0.6 175 23 287.1 287.9 281.5 300.5 4.72 5 784 2067 0.0 -0.1 99 0.1 -0.0 179 26 292.8 293.7 284.1 306.9 4.84 6 718 2768 -4.1 -4.1 100 0.0 -4.1 184 30 295.8 296.5 284.4 307.5 3.93 7 702 2946 -4.7 -7.4 81 2.7 -5.8 185 31 297.0 297.6 284.0 306.4 3.12 8 700 2968 -4.9 -7.5 82 2.6 -5.9 185 31 297.1 297.6 284.0 306.4 3.11 9 641 3653 -10.5 -10.6 99 0.1 -10.5 185 30 298.3 298.8 284.0 306.4 2.66 10 603 4123 -11.7 -17.7 61 6.0 -13.4 185 30 302.1 302.4 284.2 307.2 1.58 11 594 4239 -10.3 -30.3 18 20.0 -14.5 185 30 305.1 305.2 284.1 306.8 0.52 12 563 4649 -13.3 -25.3 36 12.0 -16.0 185 30 306.3 306.4 285.0 309.1 0.87 13 528 5135 -17.5 -32.5 26 15.0 -20.1 185 29 306.9 307.0 284.8 308.5 0.47 14 502 5510 -20.9 -25.7 65 4.8 -21.9 185 29 307.2 307.4 285.4 310.3 0.94 15 500 5540 -21.1 -25.9 65 4.8 -22.1 185 29 307.3 307.5 285.5 310.4 0.93 16 484 5778 -22.9 -30.9 48 8.0 -24.2 185 31 308.0 308.1 285.3 310.0 0.60 17 449 6321 -27.5 -29.6 82 2.1 -27.8 185 36 308.9 309.0 285.8 311.3 0.73 18 445 6385 -27.9 -31.7 70 3.8 -28.5 185 37 309.2 309.3 285.8 311.2 0.60 19 442 6434 -28.3 -29.4 90 1.1 -28.5 185 37 309.2 309.4 285.9 311.8 0.76 20 412 6932 -31.5 -35.4 68 3.9 -32.0 185 42 311.4 311.5 286.4 313.0 0.46 21 400 7140 -33.3 -36.8 71 3.5 -33.7 185 44 311.7 311.8 286.4 313.1 0.41 22 311 8854 -48.3 -54.3 50 6.0 -48.5 181 47 314.0 314.0 286.8 314.3 0.08 23 300 9090 -50.5 -54.9 60 4.4 -50.6 180 48 314.2 314.2 286.9 314.5 0.07 24 293 9243 -51.7 -54.8 69 3.1 -51.8 180 49 314.6 314.6 287.1 314.9 0.08 25 250 10250 -61.1 -65.6 55 4.5 -61.2 180 54 315.2 315.2 287.2 315.3 0.02 26 248 10300 -61.7 -66.2 55 4.5 -61.7 180 55 315.1 315.1 287.1 315.1 0.02 27 218 11090 -67.1 -71.7 52 4.6 -67.1 175 66 318.5 318.5 288.3 318.6 0.01 28 213 11230 -68.1 -72.7 52 4.6 -68.1 180 65 319.1 319.1 288.5 319.2 0.01 29 208 11373 -68.5 -73.0 52 4.5 -68.5 185 64 320.7 320.7 288.9 320.7 0.01 30 200 11610 -66.1 -77.1 20 11.0 -66.1 190 50 328.1 328.1 291.2 328.1 0.01 31 199 11640 -65.9 -77.9 17 12.0 -66.0 190 50 328.9 328.9 291.4 328.9 0.00 32 186 12052 -63.3 -81.3 7 18.0 -63.4 196 44 339.5 339.5 294.2 339.5 0.00 33 150 13380 -60.5 -83.5 3 23.0 -60.7 215 27 365.9 365.9 299.8 365.9 0.00 34 130 14267 -59.9 -83.9 3 24.0 -60.2 220 26 382.2 382.2 302.6 382.2 0.00 35 100 15890 -61.9 -85.9 3 24.0 -62.1 230 25 408.1 408.1 306.3 408.1 0.00 36 89 16614 -61.1 -86.1 2 25.0 -61.4 232 24 423.6 423.6 308.1 423.6 0.00 37 71 18004 -65.7 -87.7 3 22.0 -65.9 235 23 442.0 442.0 310.1 442.0 0.00 38 70 18090 -65.3 -87.3 3 22.0 -65.5 235 23 444.7 444.7 310.3 444.7 0.00 39 53 19777 -67.1 -89.1 3 22.0 -67.3 252 34 477.3 477.3 313.2 477.4 0.00 40 50 20130 -65.5 -88.5 3 23.0 -65.8 255 36 489.1 489.1 314.1 489.1 0.00 41 44 20908 -63.7 -88.7 2 25.0 -64.1 254 39 511.7 511.7 315.8 511.8 0.00 42 33 22637 -70.9 -91.9 3 21.0 -71.1 251 46 536.5 536.5 317.3 536.5 0.00 43 30 23200 -71.1 -91.1 4 20.0 -71.3 250 48 550.8 550.8 318.1 550.8 0.00 44 28 23607 -71.7 -91.7 4 20.0 -71.9 251 51 560.1 560.1 318.6 560.1 0.00 45 24 24523 -68.5 -91.5 2 23.0 -68.9 253 59 594.7 594.7 320.3 594.7 0.00 46 20 25610 -70.1 -91.1 3 21.0 -70.5 255 68 621.6 621.6 321.6 621.6 0.00 47 19 25914 -71.5 -92.5 3 21.0 -71.8 256 70 626.4 626.4 321.7 626.5 0.00 48 16 26935 -68.9 -91.9 2 23.0 -69.4 258 78 666.5 666.5 323.3 666.5 0.01 49 12 28647 -70.9 -92.9 2 22.0 -71.5 262 91 716.5 716.5 325.0 716.6 0.01 50 10 29740 -65.9 -90.9 2 25.0 -67.1 265 99 773.6 773.6 326.5 773.6 0.01 51 7.6 31399 -67.7 -91.7 2 24.0 -68.9 829.5 829.5 328.0 829.5 0.01 52 6.1 32736 -63.3 -90.3 1 27.0 -65.7 902.2 902.2 329.5 902.4 0.02 53 5.3 33599 -63.7 -90.7 1 27.0 -66.2 937.4 937.4 330.1 937.6 0.02 54 4.5 34616 -58.3 -88.3 1 30.0 -63.0 1007.7 1007.7 331.3 1008.0 0.04 TRP 208 11373 -68.5 -73.0 52 4.5 -68.5 185 64 320.7 320.7 288.9 320.7 0.01 WND 218 11090 -67.1 -71.7 52 4.6 -67.1 175 66 318.5 318.5 288.3 318.6 0.01 Sounding variables and indices 1000-500 mb thick: 5447.00 m Freezing level: 784.00 mb = 2067.39 m = 6782.68 ft Wetbulb zero: 787.79 mb = 2028.59 m = 6655.41 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 78.43 % Est. max temperature: 13.73 C = 56.71 F Sfc-Lift cond lev (LCL): 978.97 mb = 267.77 m = 878.49 ft T: 6.42 C 700-500 lapse rate: 6.30 C/km ThetaE index: 1.08 C Layer 702.0- 603.0 mb Conv cond level (CCL): 920.90 mb = 769.00 m = 2522.94 ft Mean mixing ratio: 5.77 g/kg Conv temperature: 9.98 C = 49.97 F Cap Strength: 8.71 C Lifted Index: 8.12 C Risk: None Lifted Index @300 mb: 10.42 C Lifted Index @700 mb: 4.75 C Showalter Index: 7.47 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 21.90 C K Index: 20.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 84.60 Risk: None Energy Index: 2.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.56 J/kg Max Up Vert Vel: 6.09 m/s Conv Inhibition (B-): 53968.02 J/kg Cap Strength: 8.71 C Lift Cond Lev (LCL): 931.96 mb = 671.52 m = 2203.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 212 at 21 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 ---------------------------------------------------------- 0 985 217 70 1 -0.9 -0.3 | 33 21 -11.7 -17.9 1 925 733 165 25 -6.5 24.1 | 111 19 -17.3 6.6 2 850 1418 175 23 -2.0 22.9 | 113 14 -12.8 5.4 3 700 2968 185 31 2.7 30.9 | 149 16 -8.1 13.4 4 500 5540 185 29 2.5 28.9 | 144 14 -8.3 11.4 5 400 7140 185 44 3.8 43.8 | 165 27 -7.0 26.3 6 300 9090 180 48 0.0 48.0 | 160 32 -10.8 30.5 7 250 10250 180 54 0.0 54.0 | 164 38 -10.8 36.5 8 218 11090 175 66 -5.8 65.7 | 161 51 -16.6 48.2 9 208 11373 185 64 5.6 63.8 | 174 47 -5.2 46.2 10 200 11610 190 50 8.7 49.2 | 176 32 -2.1 31.7 11 150 13380 215 27 15.5 22.1 | 226 7 4.7 4.6 12 100 15890 230 25 19.2 16.1 | 280 8 8.4 -1.4 13 70 18090 235 23 18.8 13.2 | 298 9 8.0 -4.3 14 50 20130 255 36 34.8 9.3 | 289 25 24.0 -8.2 15 30 23200 250 48 45.1 16.4 | 272 34 34.3 -1.1 16 20 25610 255 68 65.7 17.6 | 270 55 54.9 0.1 17 10 29740 265 99 98.6 8.6 | 276 88 87.8 -8.9 Wind Parameters Mean winds (0-6000m): 181.7 at 27.4 knts Storm direction: 211.7 at 20.6 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 115.0 deg Storm rel helicity (0-3000m) pos: 223.3 neg: -0.4 tot: 222.9 m^2/s^2 ave: 74.3 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 6.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.55 Bulk Shear: 34.02 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 ------------------------------------------------------------------------------- 500 163 13 69 16| 25.0 0.0 25.0|179.8 0.0 179.8 359.6 0.93| 32.7 30.6 1000 166 18 92 15| 12.3 0.0 12.3|188.2 0.0 188.2 188.2 0.87| 18.7 16.2 1500 170 20 99 15| 8.5 0.0 8.5|194.9 0.0 194.9 129.9 0.84| 13.5 11.4 2000 172 22 106 14| 7.1 0.0 7.1|205.9 0.0 205.9 103.0 0.85| 10.9 9.3 2500 175 23 113 14| 6.2 0.0 6.2|217.4 0.0 217.4 87.0 0.86| 9.3 8.1 3000 177 24 119 14| 5.4 0.0 5.4|223.3 -0.4 222.9 74.3 0.86| 8.1 6.9 4000 179 26 127 14| 4.0 0.1 4.1|223.3 -2.3 221.0 55.3 0.84| 6.2 5.1 5000 181 27 131 14| 3.2 0.2 3.4|223.3 -4.2 219.1 43.8 0.81| 5.0 4.1 6000 182 27 135 14| 2.7 0.4 3.1|238.8 -4.7 234.0 39.0 0.78| 4.7 3.7 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20251205.12.gif