UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052923.upa.cvt Date: 2300Z 29 MAY 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 29 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 826 1798 15.6 13.4 87 2.2 14.1 230 3 305.0 307.2 294.4 340.2 11.78 1 797 2099 13.0 12.5 97 0.5 12.7 305.3 307.5 294.3 339.8 11.51 2 692 3269 6.2 5.5 95 0.7 5.8 310.4 311.9 293.2 335.6 8.22 3 674 3485 7.6 4.9 83 2.7 6.0 314.3 315.8 294.2 339.5 8.09 4 665 3596 6.6 3.8 82 2.8 5.0 314.4 315.8 293.9 338.1 7.58 5 618 4191 2.0 1.1 94 0.9 1.5 315.8 317.0 293.6 337.0 6.72 6 593 4523 0.2 -0.6 94 0.8 -0.2 317.4 318.6 293.6 337.1 6.19 7 542 5243 0.6 -23.4 15 24.0 -7.3 326.2 326.4 291.7 330.0 1.07 8 518 5605 -2.1 -25.1 15 23.0 -9.2 327.2 327.3 291.9 330.6 0.96 9 473 6318 -8.1 -12.9 68 4.8 -10.1 328.3 328.9 294.0 338.5 3.00 10 452 6670 -9.3 -19.3 44 10.0 -12.7 331.1 331.5 293.7 337.6 1.84 11 436 6948 -11.5 -18.5 56 7.0 -13.9 331.8 332.2 294.0 338.9 2.04 12 423 7179 -12.7 -24.7 36 12.0 -16.2 333.1 333.4 293.7 337.5 1.22 13 415 7325 -12.1 -36.1 12 24.0 -17.3 335.7 335.8 293.6 337.3 0.42 14 360 8395 -20.5 -42.5 12 22.0 -23.9 338.4 338.4 294.1 339.4 0.25 15 324 9166 -26.1 -32.1 57 6.0 -27.3 341.0 341.2 295.3 344.0 0.80 16 311 9461 -27.7 -44.7 18 17.0 -29.8 342.8 342.8 295.2 343.7 0.23 17 284 10106 -33.5 -36.6 74 3.1 -34.0 343.5 343.6 295.7 345.8 0.59 18 265 10588 -37.5 -40.8 71 3.3 -37.9 344.5 344.6 295.8 346.1 0.41 19 258 10772 -38.9 -43.9 59 5.0 -39.4 345.1 345.2 295.8 346.3 0.30 20 242 11209 -41.9 -54.9 23 13.0 -42.6 347.0 347.0 296.0 347.4 0.09 21 214 12030 -48.5 -62.5 18 14.0 -49.0 349.1 349.2 296.5 349.3 0.04 22 200 12472 -51.9 -62.9 26 11.0 -52.2 350.6 350.6 296.8 350.8 0.04 23 154 14110 -66.3 -68.7 72 2.4 -66.3 353.2 353.2 297.3 353.3 0.02 24 140 14690 -64.5 -69.5 50 5.0 -64.6 366.1 366.1 299.9 366.2 0.02 25 130 15139 -68.1 -78.1 23 10.0 -68.2 367.5 367.5 300.1 367.5 0.01 26 115 15865 -73.9 -82.9 24 9.0 -73.9 369.9 369.9 300.5 369.9 0.00 27 108 16234 -71.7 -80.7 25 9.0 -71.8 380.7 380.7 302.3 380.7 0.01 28 85 17619 -79.7 -87.7 25 8.0 -79.7 265 13 391.5 391.5 304.0 391.5 0.00 29 71 18639 -79.7 -87.7 25 8.0 -79.7 412.2 412.2 306.8 412.2 0.00 30 70 18720 -75.5 -82.5 33 7.0 -75.5 110 17 422.9 422.9 308.0 422.9 0.01 31 66 19063 -71.3 -78.3 35 7.0 -71.3 439.2 439.2 309.8 439.2 0.01 32 61 19532 -68.1 -77.1 26 9.0 -68.2 456.3 456.3 311.4 456.4 0.02 33 50 20720 -69.3 -85.3 8 16.0 -69.5 260 27 480.2 480.2 313.5 480.2 0.01 34 48 20966 -70.1 -88.1 5 18.0 -70.2 483.9 483.9 313.8 483.9 0.00 35 30 23840 -62.7 -91.7 1 29.0 -63.4 85 47 573.7 573.7 319.3 573.7 0.00 TRP 85 17619 -79.7 -87.7 25 8.0 -79.7 265 13 391.5 391.5 304.0 391.5 0.00 WND 24 95 59 Sounding variables and indices Freezing level: 536.67 mb = 5323.80 m = 17466.32 ft Wetbulb zero: 596.16 mb = 4480.26 m = 14698.85 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 73.65 % Est. max temperature: 23.99 C = 75.19 F Sfc-Lift cond lev (LCL): 799.38 mb = 2073.85 m = 6803.88 ft T: 13.22 C 700-500 lapse rate: 4.13 C/km ThetaE index: 4.57 C Layer 797.0- 674.0 mb Conv cond level (CCL): 760.70 mb = 2485.00 m = 8152.79 ft Mean mixing ratio: 10.72 g/kg Conv temperature: 17.52 C = 63.53 F Cap Strength: 4.15 C Lifted Index: 2.87 C Risk: None Lifted Index @300 mb: 4.81 C Lifted Index @700 mb: -0.53 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.64 J/kg Max Up Vert Vel: 7.16 m/s Conv Inhibition (B-): 0.98 J/kg Cap Strength: 4.05 C Lift Cond Lev (LCL): 766.26 mb = 2424.75 m = 7955.10 ft Lev Free Conv (LFC): 741.26 mb = 2699.47 m = 8856.42 ft Equ Level (EL): 681.26 mb = 3397.32 m = 11145.92 ft B at Equ Level: 20.57 J/kg Max Parcel Lev (MPL): 581.26 mb = 4683.21 m = 15364.68 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 24 30109 95 59 -58.8 5.1 1 826 1798 230 3 2.3 1.9 2 85 17619 265 13 13.0 1.1 3 70 18720 110 17 -16.0 5.8 4 50 20720 260 27 26.6 4.7 5 30 23840 85 47 -46.8 -4.1 Wind Parameters Energy-Hel index: -1.60 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.20250529.23.gif