UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050223.upa.cvt Date: 2300Z 2 MAY 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:2300Z 2 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 823 1798 18.0 15.4 85 2.6 16.2 80 4 307.8 310.4 296.3 348.6 13.49 1 794 2102 15.2 14.8 97 0.4 15.0 80 4 308.0 310.5 296.3 348.7 13.46 2 722 2894 9.0 7.1 88 1.9 7.9 81 5 309.7 311.4 293.5 336.6 8.80 3 714 2986 8.8 5.7 81 3.1 7.0 81 5 310.5 312.0 293.2 335.3 8.07 4 700 3149 11.2 1.2 50 10.0 5.6 81 5 314.9 316.0 292.7 333.7 5.97 5 688 3293 11.0 0.0 47 11.0 4.9 81 6 316.2 317.3 292.8 333.9 5.57 6 664 3587 8.8 -3.2 43 12.0 2.7 81 6 317.0 317.9 292.2 331.6 4.55 7 653 3724 8.0 -4.0 42 12.0 2.0 82 6 317.6 318.4 292.2 331.6 4.36 8 634 3966 6.2 1.2 70 5.0 3.4 82 6 318.2 319.5 294.1 339.3 6.60 9 617 4188 5.2 -4.8 48 10.0 0.2 82 7 319.6 320.4 292.7 333.7 4.34 10 590 4550 2.8 -9.2 41 12.0 -2.6 82 7 320.9 321.5 292.2 331.6 3.23 11 572 4799 1.0 -8.0 51 9.0 -3.1 83 7 321.6 322.4 292.7 333.7 3.66 12 558 4997 -0.7 -2.7 86 2.0 -1.7 83 8 321.9 323.0 294.4 340.2 5.63 13 536 5316 -2.7 -6.4 76 3.7 -4.5 83 8 323.3 324.1 293.8 337.8 4.42 14 516 5617 -2.9 -20.9 24 18.0 -9.0 83 8 326.5 326.8 292.1 331.5 1.40 15 509 5725 -3.5 -25.5 16 22.0 -10.1 83 8 327.1 327.3 291.9 330.5 0.94 16 500 5865 -4.5 -25.5 18 21.0 -10.8 83 9 327.6 327.7 292.0 331.0 0.96 17 471 6332 -7.1 -25.1 22 18.0 -12.5 84 9 330.0 330.2 292.7 333.8 1.06 18 458 6549 -9.1 -15.1 62 6.0 -11.4 84 9 330.1 330.6 294.1 339.0 2.58 19 438 6893 -10.3 -13.3 79 3.0 -11.5 84 10 332.8 333.5 295.2 343.7 3.13 20 425 7124 -11.1 -26.1 28 15.0 -15.4 85 10 334.7 334.9 294.0 338.6 1.07 21 400 7586 -14.1 -24.1 42 10.0 -17.0 85 11 336.7 336.9 294.7 341.6 1.36 22 388 7816 -15.3 -30.3 27 15.0 -19.0 85 11 338.0 338.2 294.6 341.0 0.79 23 380 7973 -16.5 -32.5 24 16.0 -20.1 85 11 338.5 338.6 294.6 341.0 0.66 24 365 8274 -19.5 -27.5 49 8.0 -21.5 86 12 338.4 338.6 294.9 342.4 1.10 25 350 8584 -20.9 -34.9 27 14.0 -23.7 86 12 340.6 340.7 295.0 342.8 0.56 26 291 9916 -32.1 -46.1 24 14.0 -33.6 87 14 343.1 343.2 295.3 344.0 0.21 27 263 10624 -35.9 -53.9 14 18.0 -37.2 88 15 347.6 347.6 296.2 348.0 0.10 28 257 10784 -37.3 -54.3 15 17.0 -38.5 88 15 347.9 347.9 296.3 348.2 0.09 29 233 11453 -42.5 -58.5 16 16.0 -43.3 89 16 349.9 349.9 296.7 350.1 0.06 30 200 12464 -51.1 -60.1 33 9.0 -51.4 90 17 351.8 351.9 297.1 352.1 0.06 31 127 15259 -74.7 -81.7 33 7.0 -74.7 93 21 358.1 358.1 298.3 358.1 0.00 32 95 16901 -85.1 -93.1 23 8.0 -85.1 95 24 368.7 368.7 300.3 368.7 0.00 33 78 18036 -68.1 -71.5 62 3.4 -68.2 211 36 425.3 425.3 308.3 425.5 0.03 34 70 18680 -71.7 -85.7 11 14.0 -71.8 275 42 431.0 431.0 308.9 431.0 0.00 35 65 19113 -73.5 -87.5 10 14.0 -73.6 273 38 436.3 436.3 309.5 436.3 0.00 36 50 20660 -68.7 -89.7 3 21.0 -68.9 265 24 481.6 481.6 313.6 481.6 0.00 37 41 21852 -67.3 -94.3 1 27.0 -67.6 201 21 513.2 513.2 315.8 513.2 0.00 38 34 23009 -56.7 -86.7 1 30.0 -57.9 140 19 569.3 569.3 319.1 569.4 0.01 39 30 23800 -57.9 -87.9 1 30.0 -59.0 100 17 586.8 586.8 320.0 586.8 0.01 40 20 26400 -48.1 -81.1 1 33.0 -52.1 70 43 688.9 689.0 324.1 689.2 0.03 TRP 95 16901 -85.1 -93.1 23 8.0 -85.1 95 24 368.7 368.7 300.3 368.7 0.00 WND Sounding variables and indices Freezing level: 563.76 mb = 4915.51 m = 16126.82 ft Wetbulb zero: 615.12 mb = 4212.19 m = 13819.35 ft Precipitable water: 0.97 inches Sfc-500 mean rel hum: 63.32 % Est. max temperature: 26.38 C = 79.49 F Sfc-Lift cond lev (LCL): 791.95 mb = 2123.19 m = 6965.76 ft T: 15.03 C 700-500 lapse rate: 5.78 C/km ThetaE index: 14.97 C Layer 722.0- 688.0 mb Conv cond level (CCL): 757.16 mb = 2497.56 m = 8193.99 ft Mean mixing ratio: 11.80 g/kg Conv temperature: 18.99 C = 66.17 F Cap Strength: 2.66 C Lifted Index: 0.52 C Risk: Showers probable Lifted Index @300 mb: 1.25 C Lifted Index @700 mb: 2.22 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.57 J/kg Max Up Vert Vel: 7.56 m/s Conv Inhibition (B-): 0.04 J/kg Cap Strength: 2.58 C Lift Cond Lev (LCL): 760.28 mb = 2463.25 m = 8081.43 ft Lev Free Conv (LFC): 745.28 mb = 2629.30 m = 8626.22 ft Equ Level (EL): 705.28 mb = 3087.24 m = 10128.62 ft B at Equ Level: 15.24 J/kg Max Parcel Lev (MPL): 685.28 mb = 3325.79 m = 10911.26 ft Wind level data Storm motion: 123 at 10 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 ---------------------------------------------------------- 0 823 1798 80 4 -3.9 -0.7 | 323 8 4.9 -6.4 1 95 16901 95 24 -23.9 2.1 | 77 16 -15.1 -3.6 2 70 18680 275 42 41.8 -3.7 | 280 52 50.7 -9.4 3 50 20660 265 24 23.9 2.1 | 276 33 32.7 -3.6 4 30 23800 100 17 -16.7 3.0 | 71 8 -7.9 -2.7 5 20 26400 70 43 -40.4 -14.7 | 57 38 -31.6 -20.4 Wind Parameters Mean winds (0-6000m): 92.9 at 14.0 knts Storm direction: 122.9 at 10.5 knts Storm rel Dir Shear (0-3000m): 82.3 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.20250502.23.gif