UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060123.upa.cvt Date: 2300Z 1 JUN 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 1 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 826 1798 16.0 14.2 89 1.8 14.8 140 5 305.4 307.7 295.0 342.6 12.42 1 797 2099 13.2 13.0 99 0.2 13.1 140 5 305.5 307.8 294.6 341.2 11.90 2 723 2910 8.4 7.9 97 0.5 8.1 141 6 308.9 310.7 293.6 337.2 9.29 3 665 3595 5.2 2.6 83 2.6 3.7 141 6 312.8 314.1 292.9 334.5 6.96 4 618 4191 3.4 0.2 80 3.2 1.7 141 6 317.4 318.6 293.7 337.4 6.30 5 580 4702 0.8 -3.5 73 4.3 -1.4 142 7 320.1 321.1 293.5 336.6 5.10 6 570 4842 0.4 -7.6 55 8.0 -3.3 142 7 321.3 322.0 292.7 333.7 3.79 7 551 5113 -1.3 -13.3 40 12.0 -6.1 142 7 322.4 322.9 291.9 330.7 2.49 8 536 5332 -2.9 -7.5 71 4.6 -5.0 142 7 323.0 323.8 293.4 336.4 4.06 9 476 6261 -8.9 -16.9 52 8.0 -11.8 142 7 326.8 327.2 292.8 334.1 2.14 10 454 6627 -8.7 -28.7 18 20.0 -14.0 143 8 331.5 331.6 292.9 334.3 0.79 11 400 7597 -14.5 -39.5 10 25.0 -19.2 143 8 336.1 336.2 293.7 337.3 0.31 12 316 9339 -27.1 -39.1 31 12.0 -28.9 144 9 342.1 342.2 295.2 343.7 0.41 13 290 9951 -32.9 -38.9 55 6.0 -33.7 145 10 342.3 342.4 295.3 344.1 0.45 14 268 10501 -37.3 -45.3 43 8.0 -38.0 145 10 343.7 343.8 295.4 344.7 0.25 15 257 10789 -39.7 -44.7 59 5.0 -40.1 145 10 344.3 344.4 295.6 345.4 0.28 16 226 11654 -46.9 -48.8 81 1.9 -47.0 146 11 346.2 346.2 296.0 347.0 0.20 17 207 12231 -50.9 -58.9 38 8.0 -51.2 146 11 348.7 348.7 296.4 349.0 0.07 18 150 14252 -66.9 -73.9 37 7.0 -67.0 148 13 354.8 354.8 297.7 354.9 0.01 19 129 15149 -73.5 -77.9 51 4.4 -73.5 148 13 358.6 358.6 298.4 358.7 0.01 20 123 15430 -70.5 -75.0 51 4.5 -70.5 149 14 369.0 369.0 300.4 369.1 0.01 21 109 16145 -71.7 -78.7 34 7.0 -71.8 149 14 379.7 379.7 302.2 379.8 0.01 22 91 17193 -77.9 -85.9 26 8.0 -77.9 150 15 387.5 387.5 303.4 387.5 0.00 23 78 18086 -73.1 -80.1 34 7.0 -73.2 218 15 415.0 415.0 307.1 415.0 0.01 24 70 18720 -72.9 -81.9 24 9.0 -73.0 265 15 428.4 428.4 308.7 428.5 0.01 25 56 20037 -69.9 -81.9 16 12.0 -70.0 288 20 463.5 463.5 312.1 463.5 0.01 26 52 20482 -65.1 -79.1 13 14.0 -65.4 296 21 484.6 484.6 313.8 484.7 0.01 27 50 20720 -67.1 -83.1 9 16.0 -67.3 300 22 485.4 485.4 313.9 485.4 0.01 28 39 22226 -67.1 -94.1 1 27.0 -67.4 8 34 521.1 521.1 316.4 521.1 0.00 29 30 23850 -57.7 -87.7 1 30.0 -58.9 80 47 587.3 587.3 320.0 587.4 0.01 TRP 91 17193 -77.9 -85.9 26 8.0 -77.9 150 15 387.5 387.5 303.4 387.5 0.00 WND Sounding variables and indices Freezing level: 565.53 mb = 4905.47 m = 16093.86 ft Wetbulb zero: 597.29 mb = 4465.50 m = 14650.40 ft Precipitable water: 1.03 inches Sfc-500 mean rel hum: 79.59 % Est. max temperature: 22.28 C = 72.11 F Sfc-Lift cond lev (LCL): 804.33 mb = 2022.07 m = 6633.99 ft T: 13.92 C 700-500 lapse rate: 5.03 C/km ThetaE index: 8.12 C Layer 797.0- 618.0 mb Conv cond level (CCL): 767.66 mb = 2411.10 m = 7910.33 ft Mean mixing ratio: 11.06 g/kg Conv temperature: 17.38 C = 63.28 F Cap Strength: 1.26 C Lifted Index: 0.36 C Risk: Showers probable Lifted Index @300 mb: 3.47 C Lifted Index @700 mb: -0.53 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.60 J/kg Max Up Vert Vel: 8.32 m/s Conv Inhibition (B-): 0.01 J/kg Cap Strength: 1.27 C Lift Cond Lev (LCL): 769.45 mb = 2391.73 m = 7846.77 ft Lev Free Conv (LFC): 754.45 mb = 2555.44 m = 8383.90 ft Equ Level (EL): 644.45 mb = 3850.20 m = 12631.73 ft B at Equ Level: 34.15 J/kg Max Parcel Lev (MPL): 554.45 mb = 5062.66 m = 16609.58 ft Wind level data Storm motion: 178 at 8 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 ---------------------------------------------------------- 0 826 1798 140 5 -3.2 3.8 | 38 5 -2.9 -3.7 1 91 17193 150 15 -7.5 13.0 | 127 9 -7.2 5.5 2 70 18720 265 15 14.9 1.3 | 292 16 15.3 -6.2 3 50 20720 300 22 19.1 -11.0 | 314 27 19.4 -18.5 4 30 23850 80 47 -46.3 -8.2 | 71 49 -46.0 -15.7 Wind Parameters Mean winds (0-6000m): 147.5 at 10.0 knts Storm direction: 177.5 at 7.5 knts Storm rel Dir Shear (0-3000m): 6.7 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.20250601.23.gif