UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061723.upa.cvt Date: 2300Z 17 JUN 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 17 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 15.2 12.5 84 2.7 13.4 0 0 304.7 306.7 293.8 337.8 11.11 1 796 2099 11.8 11.5 98 0.3 11.6 1 1 304.2 306.2 293.4 336.3 10.77 2 700 3162 6.6 6.6 100 0.0 6.6 7 3 309.8 311.4 293.5 336.7 8.77 3 664 3594 4.4 -1.6 65 6.0 1.3 9 4 312.0 313.0 291.2 328.1 5.13 4 617 4189 2.6 -6.4 51 9.0 -1.6 12 5 316.6 317.3 291.4 329.0 3.84 5 607 4321 2.8 -6.2 52 9.0 -1.5 12 6 318.3 319.1 292.0 331.2 3.96 6 572 4799 0.2 -10.8 43 11.0 -4.5 15 7 320.7 321.3 291.8 330.4 2.93 7 564 4912 -0.3 -9.3 51 9.0 -4.3 15 7 321.4 322.1 292.4 332.5 3.35 8 529 5420 -4.9 -5.3 97 0.4 -5.1 18 8 321.8 322.8 293.7 337.8 4.88 9 518 5585 -5.5 -5.6 99 0.1 -5.5 19 9 323.0 324.0 294.1 339.0 4.87 10 487 6069 -5.9 -12.9 58 7.0 -8.8 21 10 328.3 328.9 293.9 338.2 2.91 11 479 6198 -6.3 -13.3 58 7.0 -9.2 22 10 329.4 329.9 294.1 339.2 2.86 12 465 6429 -8.1 -14.1 62 6.0 -10.5 23 11 329.9 330.5 294.2 339.4 2.76 13 451 6667 -8.7 -26.7 22 18.0 -13.8 24 11 332.1 332.3 293.2 335.6 0.95 14 408 7434 -14.9 -34.9 16 20.0 -19.1 28 13 333.7 333.8 293.2 335.6 0.48 15 378 8009 -17.1 -45.1 7 28.0 -21.4 31 15 338.2 338.2 294.0 338.9 0.18 16 354 8498 -21.1 -56.1 3 35.0 -24.8 34 16 339.2 339.2 294.2 339.4 0.05 17 306 9557 -28.9 -56.9 5 28.0 -31.2 40 19 342.7 342.7 295.0 342.9 0.06 18 256 10805 -40.1 -51.1 30 11.0 -40.8 47 22 344.1 344.1 295.4 344.7 0.14 19 239 11270 -43.7 -56.7 22 13.0 -44.3 49 23 345.5 345.5 295.7 345.8 0.07 20 220 11821 -48.7 -53.7 56 5.0 -48.9 53 25 346.1 346.1 295.8 346.6 0.12 21 164 13684 -64.7 -67.6 67 2.9 -64.7 64 30 349.6 349.6 296.5 349.7 0.03 22 157 13952 -62.3 -68.3 44 6.0 -62.4 66 31 358.1 358.1 298.3 358.2 0.02 23 150 14233 -64.1 -74.1 24 10.0 -64.2 68 32 359.7 359.7 298.7 359.7 0.01 24 122 15468 -73.9 -81.9 28 8.0 -73.9 76 36 363.7 363.7 299.4 363.7 0.00 25 113 15915 -74.5 -82.5 28 8.0 -74.5 79 37 370.6 370.6 300.7 370.6 0.00 26 98 16733 -79.7 -88.7 21 9.0 -79.7 85 40 375.9 375.9 301.6 375.9 0.00 27 89 17279 -79.5 -87.5 25 8.0 -79.5 38 41 386.8 386.8 303.3 386.8 0.00 28 76 18199 -68.9 -77.9 26 9.0 -69.0 320 42 426.8 426.8 308.5 426.9 0.01 29 70 18690 -70.1 -85.1 9 15.0 -70.2 280 42 434.4 434.4 309.3 434.4 0.00 30 60 19602 -72.3 -91.3 4 19.0 -72.4 449.1 449.1 310.8 449.1 0.00 TRP 98 16733 -79.7 -88.7 21 9.0 -79.7 85 40 375.9 375.9 301.6 375.9 0.00 WND Sounding variables and indices Freezing level: 568.80 mb = 4844.17 m = 15892.76 ft Wetbulb zero: 643.00 mb = 3854.17 m = 12644.76 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 77.41 % Est. max temperature: 21.52 C = 70.74 F Sfc-Lift cond lev (LCL): 792.40 mb = 2136.20 m = 7008.44 ft T: 11.62 C 700-500 lapse rate: 4.57 C/km ThetaE index: 1.55 C Layer 796.0- 700.0 mb Conv cond level (CCL): 765.62 mb = 2420.71 m = 7941.85 ft Mean mixing ratio: 10.28 g/kg Conv temperature: 16.35 C = 61.43 F Cap Strength: 2.32 C Lifted Index: 2.51 C Risk: None Lifted Index @300 mb: 5.99 C Lifted Index @700 mb: 0.02 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.96 J/kg Max Up Vert Vel: 6.32 m/s Conv Inhibition (B-): 0.76 J/kg Cap Strength: 2.30 C Lift Cond Lev (LCL): 767.43 mb = 2401.26 m = 7878.04 ft Lev Free Conv (LFC): 672.43 mb = 3490.62 m = 11452.03 ft Equ Level (EL): 662.43 mb = 3612.86 m = 11853.06 ft B at Equ Level: 19.71 J/kg Max Parcel Lev (MPL): 612.43 mb = 4249.06 m = 13940.31 ft Wind level data Storm motion: 115 at 15 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 | 295 15 13.6 -6.3 1 98 16733 85 40 -39.8 -3.5 | 69 28 -26.3 -9.8 2 70 18690 280 42 41.4 -7.3 | 284 57 55.0 -13.6 Wind Parameters Mean winds (0-6000m): 85.0 at 20.0 knts Storm direction: 115.0 at 15.0 knts Storm rel Dir Shear (0-3000m): 110.0 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.20250617.23.gif