UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061923.upa.cvt Date: 2300Z 19 JUN 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 19 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 825 1798 16.6 13.3 81 3.3 14.4 0 0 306.1 308.3 294.6 341.3 11.72 1 796 2100 13.8 12.9 94 0.9 13.2 359 1 306.3 308.5 294.8 341.9 11.83 2 753 2565 10.8 10.6 99 0.2 10.7 356 1 307.9 310.0 294.4 340.4 10.73 3 725 2880 11.0 8.4 84 2.6 9.4 355 2 311.5 313.3 294.6 341.0 9.59 4 665 3593 6.2 4.8 91 1.4 5.4 351 3 313.9 315.5 294.1 339.3 8.14 5 618 4190 3.2 0.7 84 2.5 1.8 348 4 317.1 318.4 293.8 337.9 6.53 6 505 5793 -7.5 -23.5 27 16.0 -12.2 340 8 323.0 323.2 290.9 326.9 1.14 7 500 5871 -6.3 -26.3 19 20.0 -11.9 340 8 325.4 325.5 291.3 328.5 0.89 8 485 6109 -7.1 -38.1 6 31.0 -13.6 338 8 327.2 327.3 291.2 328.3 0.29 9 477 6238 -7.9 -40.9 5 33.0 -14.3 338 8 327.8 327.8 291.3 328.7 0.22 10 434 6966 -12.7 -25.7 33 13.0 -16.3 334 10 330.7 330.9 292.9 334.6 1.09 11 414 7324 -15.1 -33.1 20 18.0 -19.0 332 11 332.1 332.2 292.9 334.2 0.57 12 406 7472 -14.7 -43.7 7 29.0 -19.5 331 11 334.5 334.5 293.1 335.2 0.20 13 381 7949 -18.9 -50.9 4 32.0 -22.9 329 12 335.1 335.1 293.2 335.4 0.09 14 364 8288 -19.9 -57.9 2 38.0 -23.9 327 13 338.1 338.1 293.9 338.3 0.04 15 325 9118 -26.7 -52.7 7 26.0 -29.2 322 14 339.9 339.9 294.4 340.3 0.09 16 265 10552 -39.9 -46.9 47 7.0 -40.5 314 17 341.0 341.1 294.8 341.9 0.21 17 256 10787 -41.1 -51.1 33 10.0 -41.8 313 18 342.6 342.7 295.1 343.2 0.14 18 250 10948 -42.5 -52.5 33 10.0 -43.1 312 18 342.9 342.9 295.1 343.4 0.12 19 163 13697 -65.1 -67.3 74 2.2 -65.1 294 25 349.5 349.5 296.5 349.6 0.03 20 140 14616 -68.3 -71.6 62 3.3 -68.3 288 27 359.5 359.5 298.6 359.5 0.02 21 134 14880 -66.9 -71.9 49 5.0 -67.0 286 28 366.5 366.5 299.9 366.6 0.02 22 126 15250 -69.3 -78.3 26 9.0 -69.4 284 29 368.6 368.6 300.3 368.7 0.01 23 106 16267 -75.3 -84.3 23 9.0 -75.3 277 32 375.9 375.9 301.6 375.9 0.00 24 98 16729 -68.7 -75.7 36 7.0 -68.8 274 33 397.3 397.3 304.8 397.3 0.01 25 94 16980 -67.1 -74.1 36 7.0 -67.2 272 33 405.2 405.2 305.9 405.3 0.02 26 86 17514 -69.1 -82.1 14 13.0 -69.2 268 35 411.6 411.6 306.7 411.6 0.01 27 70 18730 -73.9 -86.9 12 13.0 -74.0 260 38 426.3 426.3 308.4 426.3 0.00 28 69 18814 -74.3 -88.3 10 14.0 -74.3 255 37 427.2 427.2 308.5 427.2 0.00 29 50 20720 -68.5 -95.5 1 27.0 -68.7 295 18 482.1 482.1 313.6 482.1 0.00 30 47 21093 -65.1 -93.1 1 28.0 -65.4 313 22 498.8 498.8 314.9 498.8 0.00 31 44 21493 -67.3 -94.3 1 27.0 -67.5 333 27 502.9 502.9 315.2 503.0 0.00 32 32 23447 -59.5 -89.5 1 30.0 -60.4 66 50 571.8 571.8 319.2 571.8 0.00 33 30 23850 -59.7 -89.7 1 30.0 -60.6 85 55 581.9 581.9 319.8 581.9 0.00 34 20 26420 -52.3 -84.3 1 32.0 -55.1 85 56 676.1 676.1 323.6 676.2 0.02 TRP 69 18814 -74.3 -88.3 10 14.0 -74.3 255 37 427.2 427.2 308.5 427.2 0.00 WND Sounding variables and indices Freezing level: 584.21 mb = 4669.58 m = 15319.97 ft Wetbulb zero: 603.25 mb = 4381.95 m = 14376.31 ft Precipitable water: 0.99 inches Sfc-500 mean rel hum: 74.35 % Est. max temperature: 23.58 C = 74.44 F Sfc-Lift cond lev (LCL): 785.45 mb = 2211.90 m = 7256.80 ft T: 13.08 C 700-500 lapse rate: 5.68 C/km ThetaE index: 1.43 C Layer 753.0- 725.0 mb Conv cond level (CCL): 758.71 mb = 2501.64 m = 8207.39 ft Mean mixing ratio: 11.09 g/kg Conv temperature: 18.10 C = 64.58 F Cap Strength: 1.61 C Lifted Index: 0.01 C Risk: Showers probable Lifted Index @300 mb: 1.50 C Lifted Index @700 mb: 1.00 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.24 J/kg Max Up Vert Vel: 11.68 m/s Conv Inhibition (B-): 34.73 J/kg Cap Strength: 1.46 C Lift Cond Lev (LCL): 759.72 mb = 2490.48 m = 8170.78 ft Lev Free Conv (LFC): 604.72 mb = 4362.52 m = 14312.54 ft Equ Level (EL): 494.72 mb = 5953.84 m = 19533.37 ft B at Equ Level: 67.09 J/kg Max Parcel Lev (MPL): 364.72 mb = 8273.61 m = 27144.05 ft Wind level data Storm motion: 290 at 14 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 ---------------------------------------------------------- 0 825 1798 0 0 -0.0 -0.0 | 110 14 -13.4 4.9 1 70 18730 260 38 37.4 6.6 | 244 27 24.0 11.5 2 69 18814 255 37 35.7 9.6 | 237 27 22.3 14.5 3 50 20720 295 18 16.3 -7.6 | 313 4 2.9 -2.7 4 30 23850 85 55 -54.8 -4.8 | 90 68 -68.2 0.1 5 20 26420 85 56 -55.8 -4.9 | 90 69 -69.2 -0.0 Wind Parameters Mean winds (0-6000m): 260.0 at 19.0 knts Storm direction: 290.0 at 14.2 knts Storm rel Dir Shear (0-3000m): -65.0 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.20250619.23.gif