UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for LK747... Searching the city database file for: LK747 ... Date:1200Z 16 APR 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 104 SFC 987 217 21.8 11.8 53 10.0 15.6 140 15 296.1 297.6 289.2 321.6 8.84 2 953 519 17.6 10.6 64 7.0 13.4 145 18 294.8 296.3 288.5 319.1 8.44 3 925 772 15.0 10.0 72 5.0 12.0 150 21 294.6 296.1 288.3 318.7 8.36 4 852 1462 8.6 7.9 95 0.7 8.2 179 23 295.0 296.4 288.0 317.7 7.87 5 850 1481 8.6 7.3 92 1.3 7.9 180 23 295.2 296.5 287.8 317.1 7.57 6 839 1588 7.8 5.9 88 1.9 6.8 180 23 295.4 296.7 287.3 315.6 6.95 7 810 1879 9.6 -3.4 40 13.0 3.5 180 23 300.3 301.0 285.8 311.4 3.67 8 700 3076 3.6 -24.4 11 28.0 -4.6 180 25 306.5 306.6 284.9 309.0 0.76 9 675 3369 1.8 -24.2 12 26.0 -5.8 183 25 307.7 307.8 285.4 310.3 0.80 10 514 5492 -14.9 -42.9 7 28.0 -18.8 203 23 312.4 312.4 286.4 313.0 0.17 11 500 5700 -16.7 -37.7 14 21.0 -20.0 205 23 312.7 312.7 286.6 313.7 0.30 12 475 6083 -19.7 -39.7 15 20.0 -22.5 207 22 313.6 313.6 286.9 314.5 0.26 13 404 7259 -30.5 -40.5 37 10.0 -31.5 215 17 314.5 314.5 287.2 315.5 0.28 14 400 7330 -31.1 -41.1 37 10.0 -32.1 215 17 314.6 314.6 287.2 315.5 0.26 15 317 8933 -44.5 -53.5 36 9.0 -44.9 203 12 317.6 317.6 288.1 317.9 0.08 16 300 9300 -47.7 -60.7 21 13.0 -48.0 200 11 318.1 318.1 288.2 318.3 0.04 17 273 9917 -53.3 -61.3 37 8.0 -53.5 213 16 318.7 318.7 288.3 318.8 0.04 18 257 10304 -56.3 -62.3 47 6.0 -56.4 221 19 319.8 319.8 288.7 320.0 0.03 19 250 10480 -57.3 -65.3 36 8.0 -57.4 225 21 320.9 320.9 289.0 321.0 0.02 20 248 10531 -57.5 -65.5 35 8.0 -57.6 226 24 321.3 321.3 289.2 321.4 0.02 21 241 10711 -57.9 -65.9 35 8.0 -58.0 230 36 323.4 323.4 289.8 323.5 0.02 22 200 11890 -56.9 -74.9 9 18.0 -57.1 195 48 342.7 342.7 295.0 342.7 0.01 23 195 12051 -56.9 -76.9 6 20.0 -57.1 195 48 345.1 345.1 295.6 345.2 0.01 24 176 12712 -50.7 -82.7 1 32.0 -51.2 197 46 365.6 365.6 299.8 365.6 0.00 25 151 13707 -53.9 -84.9 1 31.0 -54.3 200 44 376.5 376.5 301.7 376.5 0.00 26 150 13750 -53.5 -84.5 1 31.0 -53.9 200 44 377.9 377.9 301.9 377.9 0.00 27 147 13880 -51.1 -84.1 1 33.0 -51.7 200 43 384.2 384.2 302.9 384.2 0.00 28 108 15847 -58.5 -87.5 1 29.0 -58.8 208 27 405.7 405.7 306.0 405.7 0.00 29 100 16330 -58.3 -87.3 1 29.0 -58.7 210 23 415.1 415.1 307.2 415.1 0.00 30 87 17202 -60.3 -87.3 2 27.0 -60.6 206 18 427.9 427.9 308.6 427.9 0.00 31 70 18560 -59.3 -88.3 1 29.0 -59.7 200 9 457.5 457.5 311.5 457.5 0.00 32 59 19636 -57.3 -88.3 1 31.0 -58.0 190 11 484.9 484.9 313.8 485.0 0.00 33 50 20680 -58.3 -88.3 1 30.0 -59.0 180 13 506.1 506.1 315.4 506.1 0.00 34 32 23508 -54.5 -87.5 1 33.0 -56.1 97 15 585.2 585.2 319.9 585.2 0.01 35 30 23920 -55.3 -87.3 1 32.0 -56.8 85 15 593.9 593.9 320.3 593.9 0.01 36 21 26189 -55.7 -87.7 1 32.0 -57.7 98 20 656.5 656.5 322.9 656.5 0.01 37 20 26500 -53.9 -87.9 1 34.0 -56.3 100 21 671.2 671.2 323.4 671.2 0.01 38 10 30980 -50.1 -86.1 1 36.0 -55.6 100 23 832.5 832.5 328.0 832.7 0.02 39 7.6 32800 -43.5 -83.5 0 40.0 -53.2 927.2 927.2 329.9 927.7 0.05 TRP 241 10711 -57.9 -65.9 35 8.0 -58.0 230 36 323.4 323.4 289.8 323.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5596.00 m Freezing level: 657.65 mb = 3597.95 m = 11804.17 ft Wetbulb zero: 762.70 mb = 2372.49 m = 7783.68 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 31.86 % Est. max temperature: 21.49 C = 70.68 F Sfc-Lift cond lev (LCL): 851.33 mb = 1468.05 m = 4816.38 ft T: 8.60 C 700-500 lapse rate: 7.74 C/km ThetaE index: 12.64 C Layer 953.0- 675.0 mb Conv cond level (CCL): 855.71 mb = 1425.10 m = 4675.47 ft Mean mixing ratio: 8.41 g/kg Conv temperature: 20.69 C = 69.25 F Cap Strength: 3.49 C Lifted Index: 0.10 C Risk: Showers probable Lifted Index @300 mb: -0.32 C Lifted Index @700 mb: 3.49 C Showalter Index: 1.33 C Risk: Showers probable Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 24.00 C K Index: 4.60 Risk: None Sweat Index: 162.60 Risk: None Energy Index: -0.59 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 125.87 J/kg Max Up Vert Vel: 15.87 m/s Conv Inhibition (B-): 4.68 J/kg Cap Strength: 3.45 C Lift Cond Lev (LCL): 855.72 mb = 1424.99 m = 4675.12 ft Lev Free Conv (LFC): 850.72 mb = 1474.00 m = 4835.91 ft Equ Level (EL): 830.72 mb = 1670.41 m = 5480.28 ft B at Equ Level: 3.77 J/kg Max Parcel Lev (MPL): 820.72 mb = 1770.48 m = 5808.58 ft Wind level data Storm motion: 214 at 17 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 ---------------------------------------------------------- 0 987 217 140 15 -9.6 11.5 | 82 20 -19.4 -2.8 1 925 772 150 21 -10.5 18.2 | 101 21 -20.2 3.9 2 850 1481 180 23 0.0 23.0 | 132 13 -9.7 8.7 3 700 3076 180 25 0.0 25.0 | 138 14 -9.7 10.7 4 500 5700 205 23 9.7 20.8 | 180 7 0.0 6.5 5 400 7330 215 17 9.8 13.9 | 355 0 0.0 -0.4 6 300 9300 200 11 3.8 10.3 | 56 7 -6.0 -4.0 7 250 10480 225 21 14.8 14.8 | 264 5 5.1 0.5 8 241 10711 230 36 27.6 23.1 | 244 20 17.9 8.8 9 200 11890 195 48 12.4 46.4 | 185 32 2.7 32.0 10 150 13750 200 44 15.0 41.3 | 191 28 5.3 27.0 11 100 16330 210 23 11.5 19.9 | 198 6 1.8 5.6 12 70 18560 200 9 3.1 8.5 | 48 9 -6.6 -5.9 13 50 20680 180 13 0.0 13.0 | 82 10 -9.7 -1.3 14 30 23920 85 15 -14.9 -1.3 | 58 29 -24.7 -15.6 15 20 26500 100 21 -20.7 3.6 | 71 32 -30.4 -10.7 16 10 30980 100 23 -22.7 4.0 | 72 34 -32.4 -10.3 Wind Parameters Mean winds (0-6000m): 184.1 at 23.1 knts Storm direction: 214.1 at 17.3 knts Shear (0-3000m) pos: 2.7 neg: 0.2 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 57.5 deg Storm rel helicity (0-3000m) pos: 81.6 neg: 0.0 tot: 81.6 m^2/s^2 ave: 27.2 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 3.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 4.55 Bulk Shear: 27.67 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 ------------------------------------------------------------------------------- 500 145 18 91 20| 6.2 0.0 6.2| 31.8 0.0 31.8 63.7 0.99| 6.3 6.2 1000 153 20 99 19| 6.0 0.0 6.0| 62.0 0.0 62.0 62.0 0.88| 7.1 6.3 1500 162 21 108 17| 5.2 0.0 5.2| 75.8 0.0 75.8 50.6 0.85| 6.4 5.4 2000 167 21 114 16| 3.9 0.2 4.1| 77.4 0.0 77.4 38.7 0.85| 4.9 4.2 2500 170 22 118 15| 3.1 0.3 3.4| 79.1 0.0 79.1 31.6 0.84| 4.1 3.4 3000 172 22 122 15| 2.7 0.2 2.9| 81.6 0.0 81.6 27.2 0.84| 3.6 3.0 4000 176 23 127 14| 2.3 0.2 2.5| 89.9 0.0 89.9 22.5 0.80| 3.2 2.6 5000 180 23 132 13| 2.1 0.1 2.2| 96.5 0.0 96.5 19.3 0.78| 3.0 2.3 6000 184 23 137 12| 1.8 0.1 1.9| 99.6 0.0 99.6 16.6 0.74| 2.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20250416.12.gif