UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062700.upa.cvt Date: 0000Z 27 JUN 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:0000Z 27 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 824 1798 15.0 13.2 89 1.8 13.8 0 0 304.6 306.7 294.1 339.3 11.65 1 795 2099 12.8 12.1 96 0.7 12.4 2 0 305.3 307.4 294.1 339.0 11.23 2 743 2662 10.2 9.4 95 0.8 9.7 5 0 308.5 310.4 294.0 338.9 10.02 3 736 2740 10.2 10.0 99 0.2 10.1 5 0 309.3 311.3 294.7 341.4 10.54 4 722 2899 10.0 7.8 86 2.2 8.6 6 0 310.8 312.5 294.1 339.2 9.24 5 707 3074 12.6 -3.4 33 16.0 4.4 7 0 315.5 316.3 291.5 329.0 4.21 6 700 3157 12.0 -5.0 30 17.0 3.5 8 0 315.8 316.5 291.1 327.9 3.76 7 677 3435 9.8 -0.2 50 10.0 4.4 9 1 316.3 317.4 292.8 334.1 5.58 8 664 3595 8.8 -1.2 49 10.0 3.4 10 1 317.0 318.0 292.7 333.8 5.28 9 617 4196 4.6 -4.4 52 9.0 0.1 13 1 318.9 319.8 292.6 333.4 4.47 10 565 4903 -1.7 -9.7 54 8.0 -5.2 17 1 319.6 320.2 291.8 330.3 3.24 11 558 5002 -2.1 -10.1 54 8.0 -5.5 18 1 320.3 320.9 291.9 330.8 3.18 12 510 5714 -3.1 -51.1 1 48.0 -11.3 22 1 327.4 327.4 291.0 327.7 0.07 13 429 7062 -10.5 -34.5 12 24.0 -16.0 30 2 334.6 334.7 293.4 336.4 0.48 14 387 7844 -17.5 -33.5 23 16.0 -20.8 35 2 335.4 335.5 293.7 337.6 0.58 15 343 8736 -23.5 -39.5 22 16.0 -26.0 41 2 339.0 339.1 294.4 340.4 0.36 16 328 9061 -26.5 -40.5 25 14.0 -28.5 43 3 339.3 339.3 294.4 340.6 0.34 17 256 10793 -42.3 -43.5 88 1.2 -42.4 54 3 340.9 340.9 294.8 342.1 0.32 18 221 11767 -51.5 -53.2 82 1.7 -51.5 61 4 341.3 341.4 294.8 341.8 0.12 19 214 11975 -51.3 -54.7 67 3.4 -51.4 62 4 344.8 344.8 295.6 345.2 0.11 20 196 12542 -54.7 -60.7 47 6.0 -54.9 66 4 348.2 348.2 296.3 348.4 0.05 21 190 12742 -52.3 -64.3 22 12.0 -52.6 68 4 355.1 355.1 297.7 355.3 0.04 22 171 13418 -55.7 -73.7 9 18.0 -56.0 73 4 360.3 360.4 298.8 360.4 0.01 23 139 14707 -65.5 -79.5 13 14.0 -65.6 82 5 365.1 365.1 299.7 365.1 0.01 24 115 15831 -75.7 -85.7 19 10.0 -75.7 91 5 366.5 366.5 299.9 366.5 0.00 25 95 16920 -81.5 -88.5 29 7.0 -81.5 100 6 375.7 375.7 301.5 375.7 0.00 26 81 17835 -72.7 -77.7 47 5.0 -72.8 170 17 411.3 411.3 306.7 411.4 0.01 27 77 18135 -69.3 -76.3 35 7.0 -69.4 193 21 424.4 424.4 308.2 424.5 0.02 28 70 18700 -71.9 -83.9 15 12.0 -72.0 235 28 430.6 430.6 308.9 430.6 0.00 29 62 19414 -72.7 -85.7 12 13.0 -72.8 195 23 444.0 444.0 310.3 444.0 0.00 30 60 19609 -69.7 -82.7 13 13.0 -69.8 185 22 454.9 454.9 311.3 454.9 0.01 31 50 20700 -68.1 -89.1 3 21.0 -68.3 125 14 483.0 483.0 313.7 483.0 0.00 32 30 23830 -57.9 -87.9 1 30.0 -59.0 95 49 586.8 586.8 320.0 586.8 0.01 33 28 24223 -53.3 -85.3 1 32.0 -55.3 611.3 611.3 321.1 611.3 0.01 34 10 30060 -77.9 728.8 TRP 95 16920 -81.5 -88.5 29 7.0 -81.5 100 6 375.7 375.7 301.5 375.7 0.00 WND Sounding variables and indices Freezing level: 579.03 mb = 4712.43 m = 15460.56 ft Wetbulb zero: 616.22 mb = 4206.12 m = 13799.44 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 55.82 % Est. max temperature: 26.29 C = 79.33 F Sfc-Lift cond lev (LCL): 802.19 mb = 2023.15 m = 6637.54 ft T: 13.35 C 700-500 lapse rate: 5.88 C/km ThetaE index: 13.52 C Layer 722.0- 677.0 mb Conv cond level (CCL): 750.31 mb = 2580.38 m = 8465.72 ft Mean mixing ratio: 10.74 g/kg Conv temperature: 18.28 C = 64.90 F Cap Strength: 4.73 C Lifted Index: 3.12 C Risk: None Lifted Index @300 mb: 2.30 C Lifted Index @700 mb: 4.54 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.44 J/kg Max Up Vert Vel: 7.13 m/s Conv Inhibition (B-): 40659.43 J/kg Cap Strength: 4.61 C Lift Cond Lev (LCL): 762.24 mb = 2449.08 m = 8034.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 130 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 ---------------------------------------------------------- 0 824 1798 0 0 -0.0 -0.0 | 310 2 1.7 -1.4 1 95 16920 100 6 -5.9 1.0 | 84 4 -4.2 -0.4 2 70 18700 235 28 22.9 16.1 | 239 29 24.7 14.6 3 50 20700 125 14 -11.5 8.0 | 124 12 -9.7 6.6 4 30 23830 95 49 -48.8 4.3 | 93 47 -47.1 2.8 Wind Parameters Mean winds (0-6000m): 100.0 at 3.0 knts Storm direction: 130.0 at 2.2 knts Storm rel Dir Shear (0-3000m): 95.0 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.20250627.00.gif