UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050723.upa.cvt Date: 2300Z 7 MAY 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 7 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 823 1798 16.4 14.8 90 1.6 15.3 306.1 308.6 295.6 345.1 12.97 1 806 14.2 14.0 99 0.2 14.1 305.6 308.0 295.1 343.3 12.57 2 794 13.8 13.7 99 0.1 13.7 306.5 308.9 295.3 344.2 12.51 3 663 5.0 5.0 100 0.0 5.0 312.8 314.4 294.0 338.5 8.28 4 648 3.4 2.9 97 0.5 3.1 313.1 314.5 293.3 335.8 7.30 5 624 4.0 -1.0 70 5.0 1.3 317.2 318.3 293.2 335.4 5.71 6 616 3.0 1.4 89 1.6 2.1 317.2 318.5 294.1 339.0 6.89 7 588 1.0 -0.5 90 1.5 0.2 319.1 320.3 294.1 339.2 6.29 8 562 -0.3 -7.3 59 7.0 -3.6 321.7 322.5 293.0 334.7 3.93 9 540 -2.7 -5.7 80 3.0 -4.1 322.6 323.5 293.7 337.8 4.63 10 531 -3.5 -6.1 82 2.6 -4.7 323.2 324.1 293.9 338.2 4.57 11 523 -3.3 -12.3 50 9.0 -7.0 324.8 325.4 292.9 334.4 2.84 12 500 -4.9 -7.3 83 2.4 -6.0 327.1 327.9 294.8 341.8 4.43 13 492 -5.1 -8.5 77 3.4 -6.7 328.3 329.2 294.8 342.1 4.09 14 464 -8.3 -13.3 67 5.0 -10.4 329.9 330.5 294.3 340.0 2.96 15 407 -15.3 -18.5 76 3.2 -16.4 333.4 333.9 294.6 341.1 2.18 16 400 -15.9 -18.1 83 2.2 -16.7 334.3 334.8 294.9 342.4 2.30 17 388 -16.5 -25.5 46 9.0 -19.0 336.5 336.7 294.6 341.0 1.24 18 337 -24.7 -32.7 47 8.0 -26.2 339.1 339.3 294.8 341.9 0.73 19 300 -31.3 -37.3 55 6.0 -32.1 341.3 341.4 295.1 343.3 0.52 20 284 -34.1 -34.1 100 0.0 -34.1 342.6 342.8 295.6 345.5 0.75 21 256 -39.1 -46.1 47 7.0 -39.7 345.6 345.6 295.8 346.6 0.24 22 250 -40.5 -53.5 24 13.0 -41.3 345.9 345.9 295.8 346.3 0.10 23 245 -41.7 -55.7 20 14.0 -42.5 346.1 346.1 295.8 346.4 0.08 24 233 -44.9 -49.0 63 4.1 -45.2 346.2 346.3 296.0 347.0 0.19 25 218 -48.5 -50.8 77 2.3 -48.6 347.3 347.3 296.2 348.0 0.17 26 168 -63.1 -68.1 51 5.0 -63.1 349.9 349.9 296.6 350.0 0.02 27 150 -66.7 -73.7 37 7.0 -66.8 355.2 355.2 297.7 355.2 0.01 28 144 -68.7 -76.7 31 8.0 -68.8 355.9 355.9 297.9 355.9 0.01 29 113 -79.9 -86.9 30 7.0 -79.9 360.5 360.5 298.8 360.5 0.00 30 104 -72.7 -77.0 52 4.3 -72.8 382.9 382.9 302.7 383.0 0.01 TRP WND Sounding variables and indices Freezing level: 568.00 mb = -9999.00 m = -9999.00 ft Wetbulb zero: 586.64 mb = -9999.00 m = -9999.00 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 87.28 % Est. max temperature: 22.25 C = 72.05 F Sfc-Lift cond lev (LCL): 803.82 mb = -9999.00 m = -9999.00 ft T: 14.13 C ThetaE index: 1.80 C Layer 806.0- 794.0 mb Conv cond level (CCL): 768.41 mb = -9999.00 m = -9999.00 ft Mean mixing ratio: 11.70 g/kg Conv temperature: 17.86 C = 64.15 F Cap Strength: 0.25 C Lifted Index: 0.71 C Risk: Showers probable Lifted Index @300 mb: 1.08 C Lifted Index @700 mb: -0.92 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: 0.52 C Lift Cond Lev (LCL): 769.82 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): 764.82 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 160 at 3 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 130 4 -3.1 2.6 | 83 2 -2.0 -0.2 Wind Parameters Mean winds (0-6000m): 130.0 at 4.0 knts Storm direction: 160.0 at 3.0 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.20250507.23.gif