UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100223.upa.cvt Date: 2300Z 2 OCT 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 2 OCT 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 823 1798 15.6 8.6 63 7.0 11.3 305.3 306.9 292.0 331.0 8.55 1 794 14.0 9.4 74 4.6 11.2 306.7 308.5 293.0 335.0 9.37 2 747 10.8 7.1 78 3.7 8.6 308.7 310.3 292.9 334.6 8.50 3 735 10.4 5.8 73 4.6 7.7 309.7 311.1 292.7 333.9 7.89 4 727 12.2 7.2 71 5.0 9.1 312.6 314.3 294.3 339.8 8.80 5 663 5.8 3.4 85 2.4 4.4 313.7 315.2 293.5 336.8 7.39 6 639 3.2 1.8 91 1.4 2.4 314.1 315.4 293.2 335.5 6.84 7 626 4.2 1.1 80 3.1 2.5 317.1 318.4 293.9 338.2 6.64 8 616 3.2 0.1 80 3.1 1.5 317.4 318.6 293.7 337.4 6.27 9 562 -1.3 -2.3 93 1.0 -1.8 320.6 321.7 294.1 339.1 5.76 10 540 -1.9 -8.9 59 7.0 -5.1 323.5 324.2 293.2 335.5 3.61 11 527 -2.3 -6.2 75 3.9 -4.2 325.3 326.2 294.4 340.4 4.57 12 511 -4.3 -10.3 63 6.0 -6.9 325.8 326.4 293.6 337.2 3.42 13 488 -6.3 -30.3 13 24.0 -12.5 327.6 327.8 291.7 329.9 0.63 14 441 -11.5 -30.5 19 19.0 -16.1 330.7 330.8 292.6 333.2 0.68 15 423 -14.5 -20.5 60 6.0 -16.4 330.8 331.2 293.6 337.0 1.77 16 411 -15.5 -23.5 50 8.0 -17.8 332.3 332.5 293.6 337.3 1.40 17 400 -15.9 -39.9 11 24.0 -20.2 334.3 334.4 293.2 335.5 0.30 18 377 -18.1 -42.1 10 24.0 -22.0 337.1 337.2 293.9 338.1 0.25 19 275 -36.3 -52.3 18 16.0 -37.5 342.6 342.7 295.1 343.1 0.11 20 256 -41.1 -53.1 26 12.0 -41.8 342.6 342.7 295.1 343.1 0.11 21 240 -44.5 -52.5 41 8.0 -44.9 343.9 343.9 295.4 344.4 0.12 22 227 -47.7 -49.9 78 2.2 -47.8 344.5 344.6 295.6 345.3 0.18 23 200 -53.9 -58.9 54 5.0 -54.1 347.4 347.4 296.1 347.7 0.07 24 163 -64.5 -67.6 65 3.1 -64.6 350.5 350.5 296.8 350.7 0.03 25 120 -76.5 -81.5 45 5.0 -76.5 360.6 360.6 298.8 360.6 0.00 26 95 -80.7 -85.7 43 5.0 -80.7 377.3 377.3 301.8 377.3 0.00 27 86 -71.5 -74.3 66 2.8 -71.5 406.8 406.8 306.1 406.8 0.02 TRP WND Sounding variables and indices Freezing level: 577.60 mb = -9999.00 m = -9999.00 ft Wetbulb zero: 591.78 mb = -9999.00 m = -9999.00 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 76.82 % Est. max temperature: 23.42 C = 74.16 F Sfc-Lift cond lev (LCL): 741.00 mb = -9999.00 m = -9999.00 ft T: 10.60 C ThetaE index: 1.16 C Layer 747.0- 727.0 mb Conv cond level (CCL): 663.50 mb = -9999.00 m = -9999.00 ft Mean mixing ratio: 8.79 g/kg Conv temperature: 23.58 C = 74.45 F Cap Strength: 4.40 C Lifted Index: 3.85 C Risk: None Lifted Index @300 mb: 6.08 C Lifted Index @700 mb: 3.63 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 4.40 C Lift Cond Lev (LCL): 718.85 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): 713.85 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 120 at 2 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 ---------------------------------------------------------- 0 823 1798 90 3 -3.0 0.0 | 43 2 -1.1 -1.1 Wind Parameters Mean winds (0-6000m): 90.0 at 3.0 knts Storm direction: 120.0 at 2.2 knts 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.20251002.23.gif