UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025053123.upa.cvt Date: 2300Z 31 MAY 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 31 MAY 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 827 1798 14.6 11.7 83 2.9 12.7 0 0 303.8 305.8 293.1 335.1 10.50 1 797 2108 12.6 12.4 99 0.2 12.5 1 0 304.9 307.0 294.1 339.1 11.43 2 764 2461 10.0 9.7 98 0.3 9.8 3 0 305.8 307.7 293.2 335.7 9.94 3 741 2715 10.4 8.8 90 1.6 9.4 4 1 308.9 310.7 293.9 338.3 9.64 4 700 3185 7.8 4.0 77 3.8 5.6 7 1 311.1 312.5 292.7 333.7 7.30 5 666 3594 6.2 -0.8 61 7.0 2.5 8 1 313.8 314.8 292.0 330.9 5.42 6 630 4048 5.2 -6.8 42 12.0 -0.4 11 1 317.7 318.4 291.6 329.5 3.65 7 627 4087 5.0 -6.0 45 11.0 -0.3 11 1 317.9 318.6 291.9 330.5 3.90 8 619 4191 4.0 -6.0 48 10.0 -0.8 11 1 317.9 318.7 291.9 330.7 3.95 9 573 4814 0.0 -10.0 47 10.0 -4.4 14 2 320.3 320.9 291.9 330.6 3.12 10 549 5154 -3.1 -7.8 70 4.7 -5.3 16 2 320.6 321.3 292.6 333.3 3.87 11 529 5449 -1.7 -19.7 24 18.0 -8.0 17 2 325.7 326.0 292.0 330.9 1.52 12 485 6133 -6.7 -13.7 57 7.0 -9.5 21 2 327.7 328.3 293.6 337.1 2.74 13 439 6903 -11.9 -23.9 36 12.0 -15.4 25 3 330.6 330.9 293.1 335.1 1.26 14 412 7389 -12.3 -37.3 10 25.0 -17.5 27 3 336.1 336.2 293.7 337.6 0.38 15 375 8099 -18.5 -27.5 45 9.0 -20.8 31 4 337.1 337.3 294.6 341.0 1.07 16 350 8609 -22.7 -36.7 27 14.0 -25.1 34 4 338.2 338.3 294.3 340.0 0.47 17 332 8994 -26.1 -33.1 52 7.0 -27.4 36 4 338.6 338.8 294.6 341.3 0.71 18 308 9535 -28.1 -41.1 28 13.0 -29.9 39 5 343.2 343.3 295.4 344.5 0.34 19 283 10136 -33.7 -38.6 61 4.9 -34.4 42 5 343.6 343.7 295.6 345.4 0.48 20 257 10805 -38.7 -44.7 53 6.0 -39.2 46 5 345.8 345.8 296.0 346.9 0.28 21 236 11384 -43.9 -45.8 81 1.9 -44.0 49 6 346.5 346.5 296.1 347.6 0.27 22 206 12280 -52.1 -53.5 85 1.4 -52.2 54 6 347.3 347.3 296.1 347.8 0.13 23 177 13247 -59.3 -63.7 57 4.4 -59.4 60 7 350.9 350.9 296.8 351.1 0.04 24 139 14720 -70.7 -74.3 59 3.6 -70.7 70 8 356.0 356.0 297.9 356.0 0.01 25 129 15165 -69.1 -72.7 59 3.6 -69.1 73 9 366.5 366.5 299.9 366.6 0.02 26 114 15895 -74.1 -81.1 33 7.0 -74.1 77 9 370.4 370.4 300.7 370.4 0.00 27 94 17012 -76.7 -83.7 32 7.0 -76.7 85 10 386.3 386.3 303.2 386.3 0.00 28 81 17881 -70.9 -75.9 47 5.0 -70.9 171 13 415.0 415.0 307.2 415.1 0.02 29 70 18740 -73.7 -82.7 24 9.0 -73.7 255 16 426.7 426.7 308.5 426.7 0.01 30 65 19173 -74.1 -82.1 28 8.0 -74.2 265 14 435.0 435.0 309.4 435.0 0.01 31 50 20720 -69.5 -85.5 8 16.0 -69.6 300 7 479.7 479.7 313.4 479.7 0.01 32 43 21632 -63.3 -90.3 1 27.0 -63.7 346 21 516.1 516.1 316.1 516.1 0.00 33 30 23860 -59.7 -89.7 1 30.0 -60.6 95 55 581.9 581.9 319.8 581.9 0.00 34 25 25008 -57.5 -87.5 1 30.0 -58.9 88 61 619.4 619.4 321.5 619.4 0.01 35 23 25538 -55.1 -85.9 1 30.7 -57.1 85 64 641.3 641.3 322.3 641.4 0.01 36 20 26440 -51.1 -83.1 1 32.0 -54.2 100 58 679.8 679.8 323.7 679.9 0.02 TRP 94 17012 -76.7 -83.7 32 7.0 -76.7 85 10 386.3 386.3 303.2 386.3 0.00 WND 23 25538 -55.1 -85.9 1 30.7 -57.1 85 64 641.3 641.3 322.3 641.4 0.01 Sounding variables and indices Freezing level: 573.00 mb = 4813.79 m = 15793.07 ft Wetbulb zero: 635.52 mb = 3976.72 m = 13046.81 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 63.52 % Est. max temperature: 23.21 C = 73.78 F Sfc-Lift cond lev (LCL): 791.87 mb = 2162.20 m = 7093.75 ft T: 12.20 C 700-500 lapse rate: 4.71 C/km ThetaE index: 8.79 C Layer 700.0- 627.0 mb Conv cond level (CCL): 768.51 mb = 2411.78 m = 7912.57 ft Mean mixing ratio: 10.34 g/kg Conv temperature: 16.37 C = 61.47 F Cap Strength: 3.61 C Lifted Index: 3.00 C Risk: None Lifted Index @300 mb: 5.94 C Lifted Index @700 mb: 0.98 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.55 J/kg Max Up Vert Vel: 7.29 m/s Conv Inhibition (B-): 28751.37 J/kg Cap Strength: 3.51 C Lift Cond Lev (LCL): 763.80 mb = 2463.01 m = 8080.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 115 at 4 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 ---------------------------------------------------------- 0 827 1798 0 0 -0.0 -0.0 | 295 4 3.4 -1.6 1 94 17012 85 10 -10.0 -0.9 | 69 7 -6.6 -2.5 2 70 18740 255 16 15.5 4.1 | 262 19 18.9 2.6 3 50 20720 300 7 6.1 -3.5 | 298 11 9.5 -5.1 4 30 23860 95 55 -54.8 4.8 | 94 51 -51.4 3.2 5 23 25538 85 64 -63.8 -5.6 | 83 61 -60.4 -7.2 6 20 26440 100 58 -57.1 10.1 | 99 54 -53.7 8.5 Wind Parameters Mean winds (0-6000m): 85.0 at 5.0 knts Storm direction: 115.0 at 3.8 knts Storm rel Dir Shear (0-3000m): 110.0 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.20250630.23.gif