UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051000.upa.cvt Date: 0000Z 10 MAY 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:0000Z 10 MAY 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 17.0 15.5 91 1.5 16.0 0 0 306.7 309.2 296.1 347.5 13.57 1 795 2101 14.4 14.4 100 0.0 14.4 358 0 307.0 309.5 295.8 346.5 13.09 2 691 3267 7.0 5.6 91 1.4 6.2 351 1 311.4 313.0 293.6 336.9 8.29 3 664 3594 5.4 2.0 79 3.4 3.5 350 1 313.2 314.4 292.8 334.0 6.67 4 647 3805 4.6 -0.4 70 5.0 2.0 348 1 314.6 315.7 292.4 332.7 5.75 5 627 4060 3.6 2.0 89 1.6 2.7 347 1 316.3 317.6 294.0 338.6 7.07 6 617 4190 2.8 -1.2 75 4.0 0.7 346 1 316.8 317.9 293.0 334.9 5.69 7 611 4269 3.6 -3.4 60 7.0 0.0 345 1 318.6 319.6 292.9 334.3 4.87 8 598 4443 2.6 -4.4 60 7.0 -0.9 344 1 319.4 320.3 292.9 334.4 4.62 9 539 5275 -2.7 -5.9 79 3.2 -4.3 339 2 322.7 323.6 293.7 337.7 4.57 10 530 5408 -3.3 -5.6 84 2.3 -4.4 339 2 323.6 324.5 294.1 339.2 4.76 11 489 6041 -5.9 -14.9 49 9.0 -9.4 335 2 327.9 328.4 293.4 336.4 2.46 12 469 6368 -6.9 -18.9 38 12.0 -11.1 333 2 330.6 331.0 293.6 337.1 1.83 13 451 6672 -8.9 -22.9 31 14.0 -13.3 331 3 331.8 332.1 293.5 336.6 1.34 14 430 7039 -11.9 -17.9 61 6.0 -14.0 328 3 332.6 333.0 294.4 340.2 2.18 15 413 7347 -13.5 -24.5 39 11.0 -16.7 326 3 334.4 334.6 294.1 339.0 1.27 16 392 7742 -16.1 -22.1 60 6.0 -17.9 324 3 336.0 336.3 294.8 342.0 1.66 17 385 7877 -16.5 -24.5 50 8.0 -18.8 323 3 337.2 337.5 294.8 342.2 1.37 18 362 8337 -19.9 -29.9 41 10.0 -22.2 320 3 338.7 338.8 294.8 342.0 0.88 19 318 9283 -28.1 -29.6 87 1.5 -28.4 314 4 340.1 340.3 295.3 343.9 1.03 20 289 9963 -32.9 -37.6 63 4.7 -33.6 309 4 342.6 342.8 295.4 344.7 0.52 21 257 10777 -39.7 -40.7 90 1.0 -39.8 303 5 344.3 344.4 295.7 346.0 0.43 22 250 10965 -41.3 -42.1 92 0.8 -41.4 302 5 344.7 344.7 295.8 346.2 0.38 23 221 11791 -47.9 -52.3 60 4.4 -48.1 296 5 346.9 346.9 296.1 347.4 0.14 24 200 12442 -53.5 -55.9 75 2.4 -53.6 291 6 348.0 348.1 296.3 348.5 0.10 25 164 13689 -63.5 -69.5 44 6.0 -63.6 282 7 351.6 351.6 297.0 351.7 0.02 26 138 14729 -71.5 -77.5 40 6.0 -71.5 273 7 355.3 355.3 297.8 355.3 0.01 27 123 15405 -74.1 -80.1 39 6.0 -74.1 268 8 362.5 362.5 299.2 362.5 0.01 28 116 15748 -71.7 -77.7 40 6.0 -71.8 265 8 373.0 373.0 301.1 373.1 0.01 29 102 16497 -77.1 -85.1 27 8.0 -77.1 258 9 376.6 376.6 301.7 376.6 0.00 30 95 16903 -79.1 -86.1 31 7.0 -79.1 255 9 380.4 380.4 302.3 380.4 0.00 31 78 18049 -70.5 -76.5 41 6.0 -70.6 268 21 420.3 420.4 307.7 420.4 0.01 32 70 18690 -71.3 -80.3 25 9.0 -71.3 275 28 431.8 431.9 309.0 431.9 0.01 33 61 19501 -73.3 -83.3 20 10.0 -73.3 283 24 444.7 444.7 310.4 444.8 0.01 34 50 20680 -68.5 -86.5 6 18.0 -68.7 295 19 482.1 482.1 313.6 482.1 0.00 TRP 95 16903 -79.1 -86.1 31 7.0 -79.1 255 9 380.4 380.4 302.3 380.4 0.00 WND Sounding variables and indices Freezing level: 569.06 mb = 4851.09 m = 15915.47 ft Wetbulb zero: 610.73 mb = 4272.92 m = 14018.59 ft Precipitable water: 1.13 inches Sfc-500 mean rel hum: 81.16 % Est. max temperature: 22.51 C = 72.52 F Sfc-Lift cond lev (LCL): 806.04 mb = 1984.55 m = 6510.91 ft T: 15.40 C 700-500 lapse rate: 4.75 C/km ThetaE index: 14.74 C Layer 795.0- 627.0 mb Conv cond level (CCL): 765.95 mb = 2410.81 m = 7909.40 ft Mean mixing ratio: 11.93 g/kg Conv temperature: 18.47 C = 65.24 F Cap Strength: 0.12 C Lifted Index: -0.05 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.63 C Lifted Index @700 mb: -1.24 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 104.00 J/kg Max Up Vert Vel: 14.42 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.08 C Lift Cond Lev (LCL): 767.87 mb = 2389.98 m = 7841.04 ft Lev Free Conv (LFC): 762.87 mb = 2444.31 m = 8019.29 ft Equ Level (EL): 602.87 mb = 4377.65 m = 14362.18 ft B at Equ Level: 79.26 J/kg Max Parcel Lev (MPL): 302.87 mb = 9629.60 m = 31592.79 ft Wind level data Storm motion: 285 at 3 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 0 0 -0.0 -0.0 | 105 3 -3.3 0.9 1 95 16903 255 9 8.7 2.3 | 239 6 5.4 3.2 2 70 18690 275 28 27.9 -2.4 | 274 25 24.6 -1.6 3 50 20680 295 19 17.2 -8.0 | 297 16 14.0 -7.2 Wind Parameters Mean winds (0-6000m): 255.0 at 4.5 knts Storm direction: 285.0 at 3.4 knts Storm rel Dir Shear (0-3000m): -60.0 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.20250510.00.gif