UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061223.upa.cvt Date: 2300Z 12 JUN 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 12 JUN 25 Station: HKNC WMO ident: 63741 Latitude: -1.30 Longitude: 36.75 Elevation: 1798.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 825 1798 15.0 12.1 83 2.9 13.1 170 5 304.4 306.5 293.5 336.7 10.82 1 795 2108 12.2 11.1 93 1.1 11.5 167 5 304.7 306.6 293.3 336.1 10.50 2 771 2363 10.2 9.3 94 0.9 9.6 165 5 305.2 307.0 292.8 334.0 9.58 3 748 2614 10.0 9.4 96 0.6 9.6 163 5 307.7 309.5 293.8 337.8 9.95 4 689 3289 5.8 5.2 96 0.6 5.5 157 6 310.3 311.8 293.1 335.1 8.08 5 671 3505 5.4 4.3 93 1.1 4.8 155 6 312.2 313.7 293.4 336.4 7.79 6 664 3590 6.0 3.0 81 3.0 4.3 154 6 313.8 315.2 293.4 336.3 7.17 7 647 3802 6.4 -4.6 45 11.0 1.0 152 6 316.6 317.4 291.7 330.1 4.20 8 617 4188 3.0 -6.0 52 9.0 -1.3 149 6 317.0 317.8 291.7 329.8 3.96 9 596 4467 1.0 -8.0 51 9.0 -3.1 146 6 317.9 318.6 291.5 329.3 3.51 10 583 4643 1.2 -19.8 19 21.0 -6.1 144 6 320.1 320.4 290.2 324.8 1.36 11 545 5183 0.0 -23.0 16 23.0 -7.5 139 6 324.9 325.1 291.4 328.8 1.10 12 457 6566 -9.3 -38.3 7 29.0 -15.2 126 7 330.1 330.1 292.0 331.3 0.31 13 356 8445 -22.7 -47.7 8 25.0 -25.8 108 8 336.5 336.5 293.6 337.1 0.14 14 295 9803 -29.9 -68.9 1 39.0 -32.2 94 8 344.9 344.9 295.5 344.9 0.01 15 256 10794 -38.7 -66.7 4 28.0 -39.9 84 9 346.2 346.2 295.8 346.3 0.02 16 232 11461 -44.5 -73.5 3 29.0 -45.3 77 9 347.2 347.3 296.0 347.3 0.01 17 210 12122 -48.5 -79.5 2 31.0 -49.0 69 9 351.0 351.0 296.8 351.1 0.00 18 135 14888 -70.1 -80.1 22 10.0 -70.1 37 11 360.0 360.0 298.7 360.0 0.00 19 103 16469 -77.1 -88.1 16 11.0 -77.1 17 12 375.6 375.6 301.5 375.6 0.00 20 94 16988 -81.3 -93.3 11 12.0 -81.3 10 12 377.3 377.3 301.8 377.3 0.00 21 81 17838 -74.7 -82.7 28 8.0 -74.7 335 16 407.2 407.2 306.2 407.2 0.01 22 70 18690 -73.1 -84.1 17 11.0 -73.2 300 20 428.0 428.0 308.6 428.0 0.00 23 61 19499 -72.7 -85.7 12 13.0 -72.8 298 18 446.1 446.1 310.5 446.1 0.00 24 55 20119 -65.5 -82.5 8 17.0 -65.7 296 16 476.0 476.0 313.1 476.0 0.01 25 50 20700 -65.7 -93.7 1 28.0 -66.0 295 14 488.7 488.7 314.1 488.7 0.00 26 43 21611 -67.5 -94.5 1 27.0 -67.8 344 24 505.8 505.8 315.4 505.8 0.00 27 36 22700 -60.1 -89.1 1 29.0 -60.9 41 36 551.3 551.3 318.2 551.3 0.00 28 30 23840 -58.7 -88.7 1 30.0 -59.7 100 48 584.6 584.6 319.9 584.6 0.00 29 20 26440 -48.5 -81.5 1 33.0 -52.4 100 43 687.7 687.7 324.0 687.9 0.03 TRP 94 16988 -81.3 -93.3 11 12.0 -81.3 10 12 377.3 377.3 301.8 377.3 0.00 WND Sounding variables and indices Freezing level: 545.00 mb = 5183.08 m = 17004.66 ft Wetbulb zero: 634.10 mb = 3965.82 m = 13011.05 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 58.14 % Est. max temperature: 21.95 C = 71.51 F Sfc-Lift cond lev (LCL): 790.00 mb = 2160.88 m = 7089.42 ft T: 11.79 C 700-500 lapse rate: 4.13 C/km ThetaE index: 2.74 C Layer 795.0- 748.0 mb Conv cond level (CCL): 738.44 mb = 2719.76 m = 8923.00 ft Mean mixing ratio: 10.04 g/kg Conv temperature: 18.44 C = 65.19 F Cap Strength: 4.37 C Lifted Index: 3.87 C Risk: None Lifted Index @300 mb: 7.17 C Lifted Index @700 mb: 0.14 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.01 J/kg Max Up Vert Vel: 6.78 m/s Conv Inhibition (B-): 33218.44 J/kg Cap Strength: 4.29 C Lift Cond Lev (LCL): 760.56 mb = 2476.15 m = 8123.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 53 at 6 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 ---------------------------------------------------------- 0 825 1798 170 5 -0.9 4.9 | 206 10 4.2 8.7 1 94 16988 10 12 -2.1 -11.8 | 339 9 3.0 -8.0 2 70 18690 300 20 17.3 -10.0 | 285 23 22.4 -6.2 3 50 20700 295 14 12.7 -5.9 | 277 18 17.8 -2.1 4 30 23840 100 48 -47.3 8.3 | 106 44 -42.2 12.2 5 20 26440 100 43 -42.3 7.5 | 107 39 -37.2 11.3 Wind Parameters Mean winds (0-6000m): 23.2 at 8.5 knts Storm direction: 53.2 at 6.4 knts Storm rel Dir Shear (0-3000m): -160.8 deg Storm rel helicity (0-3000m) pos: 0.0 neg: 0.0 tot: 0.0 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: 0.00 Storm rel vorticity (0-3000m) horiz: 0.0 stream: 0.0 10^-3/s Energy-Hel index: 0.00 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//HKNC/skewt/HKNC.skewt.20250612.23.gif