UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060323.upa.cvt Date: 2300Z 3 JUN 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 3 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 16.0 12.9 82 3.1 14.0 120 5 305.5 307.6 294.3 339.7 11.41 1 796 2100 13.4 12.8 96 0.6 13.0 121 5 305.9 308.1 294.6 341.1 11.75 2 700 3167 7.4 6.9 97 0.5 7.1 125 6 310.7 312.4 293.9 338.2 8.96 3 694 3238 7.0 6.5 97 0.5 6.7 125 6 311.0 312.7 293.9 338.0 8.79 4 665 3589 8.0 -1.0 53 9.0 3.2 126 6 315.9 317.0 292.5 333.0 5.35 5 659 3664 7.8 -4.2 42 12.0 1.8 126 6 316.5 317.4 291.7 330.2 4.25 6 648 3802 6.8 -8.2 33 15.0 -0.1 127 6 316.9 317.5 290.9 327.3 3.18 7 618 4189 4.2 -4.8 52 9.0 -0.2 128 6 318.3 319.1 292.3 332.3 4.33 8 559 4995 -2.3 -2.3 100 0.0 -2.3 131 7 319.9 321.0 294.0 338.5 5.79 9 512 5685 -7.3 -7.3 100 0.0 -7.3 134 7 321.9 322.8 293.3 336.1 4.32 10 483 6139 -7.5 -8.3 94 0.8 -7.9 135 8 327.1 328.0 294.6 341.3 4.24 11 462 6484 -8.5 -13.1 69 4.6 -10.4 136 8 330.1 330.7 294.4 340.4 3.02 12 426 7107 -13.5 -13.5 100 0.0 -13.5 139 8 331.4 332.1 294.8 342.3 3.17 13 413 7343 -14.7 -17.5 79 2.8 -15.7 140 8 332.8 333.3 294.6 341.0 2.34 14 388 7812 -18.3 -18.3 100 0.0 -18.3 141 9 334.1 334.6 294.8 342.3 2.33 15 357 8431 -20.7 -25.0 68 4.3 -21.8 144 9 338.9 339.2 295.3 344.1 1.41 16 342 8747 -23.1 -27.8 65 4.7 -24.2 145 9 339.9 340.1 295.3 344.1 1.14 17 330 9007 -24.9 -37.9 29 13.0 -27.1 146 9 340.9 341.0 295.0 342.6 0.44 18 315 9344 -27.7 -35.7 46 8.0 -29.0 147 10 341.5 341.7 295.2 343.8 0.58 19 300 9693 -30.5 -49.5 14 19.0 -32.3 149 10 342.4 342.4 295.0 343.0 0.14 20 256 10801 -38.5 -56.5 13 18.0 -39.6 153 11 346.5 346.5 295.9 346.8 0.07 21 250 10964 -39.7 -61.7 8 22.0 -40.8 154 11 347.0 347.1 296.0 347.2 0.04 22 225 11677 -44.9 -64.9 9 20.0 -45.6 157 11 349.7 349.7 296.6 349.8 0.03 23 150 14257 -66.9 -74.9 31 8.0 -67.0 168 13 354.8 354.8 297.7 354.9 0.01 24 145 14461 -67.5 -74.5 36 7.0 -67.5 169 13 357.3 357.3 298.2 357.3 0.01 25 124 15386 -75.1 -80.1 45 5.0 -75.1 174 14 359.8 359.8 298.7 359.8 0.01 26 105 16343 -78.7 -83.7 44 5.0 -78.7 178 15 370.5 370.5 300.7 370.5 0.00 27 94 16976 -76.9 -81.1 51 4.2 -76.9 182 16 385.9 385.9 303.2 385.9 0.01 28 84 17625 -75.5 -80.5 45 5.0 -75.5 185 16 401.4 401.4 305.4 401.4 0.01 29 76 18201 -77.5 -83.5 37 6.0 -77.5 188 17 408.9 408.9 306.4 408.9 0.00 30 70 18680 -71.3 -77.3 40 6.0 -71.3 190 17 431.8 431.9 309.0 431.9 0.01 31 62 19409 -64.9 -77.9 15 13.0 -65.1 223 22 461.3 461.3 311.9 461.4 0.02 32 54 20241 -70.1 -92.1 3 22.0 -70.2 260 28 467.9 467.9 312.4 467.9 0.00 33 50 20700 -69.3 -95.3 1 26.0 -69.5 280 26 480.2 480.2 313.5 480.2 0.00 34 35 22874 -63.5 -91.5 1 28.0 -64.0 42 43 546.9 546.9 317.9 546.9 0.00 35 32 23434 -58.1 -88.1 1 30.0 -59.2 73 48 575.5 575.5 319.5 575.6 0.01 36 30 23840 -60.3 -89.3 1 29.0 -61.2 95 51 580.3 580.3 319.7 580.3 0.00 37 20 26440 -49.7 -82.7 1 33.0 -53.2 90 41 684.0 684.1 323.9 684.2 0.02 TRP 54 20241 -70.1 -92.1 3 22.0 -70.2 260 28 467.9 467.9 312.4 467.9 0.00 WND Sounding variables and indices Freezing level: 579.88 mb = 4709.62 m = 15451.32 ft Wetbulb zero: 648.57 mb = 3794.78 m = 12449.92 ft Precipitable water: 1.12 inches Sfc-500 mean rel hum: 82.74 % Est. max temperature: 24.24 C = 75.63 F Sfc-Lift cond lev (LCL): 787.74 mb = 2186.40 m = 7173.15 ft T: 12.91 C 700-500 lapse rate: 5.47 C/km ThetaE index: 13.86 C Layer 700.0- 618.0 mb Conv cond level (CCL): 755.50 mb = 2533.58 m = 8312.18 ft Mean mixing ratio: 10.95 g/kg Conv temperature: 18.20 C = 64.76 F Cap Strength: 2.51 C Lifted Index: -0.66 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.52 C Lifted Index @700 mb: -0.30 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.75 J/kg Max Up Vert Vel: 11.11 m/s Conv Inhibition (B-): 1.89 J/kg Cap Strength: 2.42 C Lift Cond Lev (LCL): 763.48 mb = 2446.35 m = 8025.99 ft Lev Free Conv (LFC): 728.48 mb = 2836.19 m = 9304.96 ft Equ Level (EL): 688.48 mb = 3303.85 m = 10839.27 ft B at Equ Level: 20.77 J/kg Max Parcel Lev (MPL): 658.48 mb = 3670.27 m = 12041.42 ft Wind level data Storm motion: 206 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 ---------------------------------------------------------- 0 825 1798 120 5 -4.3 2.5 | 58 9 -7.9 -4.9 1 70 18680 190 17 3.0 16.7 | 176 9 -0.7 9.3 2 54 20241 260 28 27.6 4.9 | 276 24 24.0 -2.6 3 50 20700 280 26 25.6 -4.5 | 298 25 22.0 -11.9 4 30 23840 95 51 -50.8 4.4 | 87 54 -54.4 -3.0 5 20 26440 90 41 -41.0 0.0 | 81 45 -44.6 -7.4 Wind Parameters Mean winds (0-6000m): 175.9 at 11.0 knts Storm direction: 205.9 at 8.2 knts Storm rel Dir Shear (0-3000m): -13.2 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.20250603.23.gif