UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061123.upa.cvt Date: 2300Z 11 JUN 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 11 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 824 1798 16.0 13.8 87 2.2 14.6 140 8 305.6 307.9 294.8 341.9 12.13 1 795 2100 13.6 12.7 94 0.9 13.0 141 8 306.2 308.4 294.6 341.3 11.69 2 676 3442 5.0 4.6 97 0.4 4.8 146 8 311.1 312.6 293.2 335.5 7.89 3 663 3601 7.4 2.4 71 5.0 4.5 147 8 315.5 316.9 293.6 337.2 6.88 4 653 3726 7.8 -10.2 27 18.0 -0.2 147 8 317.4 317.9 290.6 326.2 2.69 5 617 4190 4.8 -11.2 30 16.0 -2.1 149 8 319.1 319.6 291.1 327.8 2.63 6 601 4404 3.2 -11.8 32 15.0 -3.1 150 8 319.7 320.2 291.2 328.2 2.58 7 571 4817 1.6 -26.4 10 28.0 -6.9 151 7 322.5 322.7 290.3 325.3 0.77 8 538 5293 -2.3 -17.3 31 15.0 -7.8 153 7 323.4 323.7 291.6 329.6 1.83 9 505 5793 -4.9 -29.9 12 25.0 -11.5 155 7 326.1 326.3 291.3 328.4 0.63 10 465 6435 -9.7 -20.7 40 11.0 -13.2 157 7 327.9 328.3 292.7 333.5 1.58 11 456 6586 -10.7 -22.7 37 12.0 -14.3 158 7 328.5 328.8 292.6 333.3 1.35 12 432 7002 -10.9 -32.9 14 22.0 -16.0 160 7 333.4 333.5 293.2 335.5 0.56 13 394 7705 -13.9 -48.9 3 35.0 -19.2 163 7 338.4 338.4 294.0 338.8 0.11 14 390 7782 -14.5 -49.5 3 35.0 -19.7 163 7 338.6 338.6 294.1 339.0 0.11 15 332 8976 -25.7 -51.7 7 26.0 -28.4 168 7 339.2 339.2 294.2 339.6 0.10 16 300 9704 -30.3 -56.3 6 26.0 -32.4 171 7 342.7 342.7 295.0 342.9 0.06 17 256 10809 -40.1 -59.1 11 19.0 -41.1 176 6 344.1 344.1 295.4 344.3 0.05 18 250 10971 -41.5 -59.5 13 18.0 -42.3 176 6 344.4 344.4 295.4 344.6 0.05 19 166 13631 -61.3 -76.3 12 15.0 -61.4 189 6 354.1 354.1 297.5 354.1 0.01 20 150 14256 -63.9 -79.9 10 16.0 -64.0 192 6 360.0 360.0 298.7 360.0 0.00 21 143 14547 -66.5 -82.5 9 16.0 -66.6 193 6 360.4 360.4 298.8 360.4 0.00 22 106 16298 -80.5 -88.5 25 8.0 -80.5 203 5 366.0 366.0 299.8 366.0 0.00 23 98 16739 -81.9 -89.9 24 8.0 -81.9 205 5 371.6 371.6 300.8 371.6 0.00 24 89 17279 -81.5 -88.5 29 7.0 -81.5 226 12 382.8 382.8 302.7 382.8 0.00 25 81 17817 -74.9 -80.9 39 6.0 -74.9 247 18 406.8 406.8 306.1 406.8 0.01 26 73 18430 -69.3 -77.3 30 8.0 -69.4 271 25 430.9 430.9 308.9 431.0 0.01 27 70 18680 -69.5 -80.5 19 11.0 -69.6 280 28 435.7 435.7 309.4 435.7 0.01 28 61 19499 -71.9 -91.9 3 20.0 -72.0 270 20 447.8 447.8 310.7 447.9 0.00 29 55 20109 -73.5 -94.5 3 21.0 -73.6 262 14 457.6 457.6 311.5 457.6 0.00 30 50 20670 -72.1 -97.1 1 25.0 -72.2 255 8 473.6 473.6 313.0 473.6 0.00 31 39 22162 -64.9 -92.9 1 28.0 -65.3 177 27 526.7 526.7 316.7 526.7 0.00 32 35 22834 -58.3 -88.3 1 30.0 -59.3 143 35 560.4 560.4 318.6 560.5 0.00 33 30 23810 -56.1 -87.1 1 31.0 -57.5 95 47 591.7 591.7 320.2 591.7 0.01 TRP 98 16739 -81.9 -89.9 24 8.0 -81.9 205 5 371.6 371.6 300.8 371.6 0.00 WND Sounding variables and indices Freezing level: 557.46 mb = 5012.24 m = 16444.15 ft Wetbulb zero: 653.33 mb = 3721.86 m = 12210.68 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 54.78 % Est. max temperature: 21.84 C = 71.31 F Sfc-Lift cond lev (LCL): 797.48 mb = 2074.02 m = 6804.44 ft T: 13.81 C 700-500 lapse rate: 4.54 C/km ThetaE index: 6.48 C Layer 795.0- 663.0 mb Conv cond level (CCL): 755.60 mb = 2520.86 m = 8270.44 ft Mean mixing ratio: 10.91 g/kg Conv temperature: 18.03 C = 64.46 F Cap Strength: 2.92 C Lifted Index: 1.30 C Risk: Showers probable Lifted Index @300 mb: 3.72 C Lifted Index @700 mb: -0.85 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.77 J/kg Max Up Vert Vel: 8.22 m/s Conv Inhibition (B-): 1.13 J/kg Cap Strength: 2.91 C Lift Cond Lev (LCL): 762.15 mb = 2449.46 m = 8036.19 ft Lev Free Conv (LFC): 737.15 mb = 2725.46 m = 8941.68 ft Equ Level (EL): 667.15 mb = 3549.95 m = 11646.66 ft B at Equ Level: 30.30 J/kg Max Parcel Lev (MPL): 637.15 mb = 3927.20 m = 12884.35 ft Wind level data Storm motion: 194 at 5 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 ---------------------------------------------------------- 0 824 1798 140 8 -5.1 6.1 | 102 6 -6.3 1.4 1 98 16739 205 5 2.1 4.5 | 282 1 0.9 -0.2 2 70 18680 280 28 27.6 -4.9 | 290 28 26.4 -9.6 3 50 20670 255 8 7.7 2.1 | 292 7 6.5 -2.7 4 30 23810 95 47 -46.8 4.1 | 89 48 -48.0 -0.6 Wind Parameters Mean winds (0-6000m): 164.1 at 6.5 knts Storm direction: 194.1 at 4.9 knts Storm rel Dir Shear (0-3000m): -57.5 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.20250611.23.gif