UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VI622... Searching the city database file for: VI622 ... Date:0000Z 17 APR 25 Station: VI622 WMO ident: 42622 ------------------------------------------------------------------------------- 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 991 124 21.4 20.4 94 1.0 20.7 0 0 295.3 298.1 294.2 339.5 15.40 1 978 239 22.4 16.4 69 6.0 18.4 297.4 299.6 292.4 332.4 12.08 2 969 320 23.0 15.0 61 8.0 17.7 298.8 300.9 292.0 331.3 11.13 3 961 393 23.6 14.6 57 9.0 17.7 300.1 302.1 292.3 332.2 10.93 4 948 512 23.8 14.8 57 9.0 17.8 301.5 303.6 293.0 334.6 11.23 5 914 831 22.6 11.6 50 11.0 15.5 303.5 305.2 292.2 331.6 9.42 6 856 1398 18.2 11.2 64 7.0 13.7 304.6 306.4 292.8 333.9 9.81 7 816 1807 15.6 11.4 76 4.2 12.9 306.0 308.0 293.7 337.4 10.43 8 802 1954 13.6 10.8 83 2.8 11.8 305.4 307.3 293.3 336.0 10.20 9 651 3680 2.2 -0.4 83 2.6 0.8 311.3 312.4 291.5 329.1 5.72 10 645 3755 2.6 -1.7 73 4.3 0.4 312.6 313.6 291.5 329.1 5.24 11 619 4088 0.2 -2.1 84 2.3 -1.0 313.5 314.6 291.8 330.3 5.30 12 571 4731 -4.3 -5.2 93 0.9 -4.7 315.6 316.5 291.7 330.1 4.55 13 518 5496 -8.5 -12.7 72 4.2 -10.1 319.4 320.0 291.3 328.6 2.78 14 507 5663 -8.9 -13.3 70 4.4 -10.6 320.9 321.4 291.7 329.9 2.71 15 481 6070 -10.9 -18.9 52 8.0 -13.5 323.3 323.7 291.6 329.4 1.79 16 465 6330 -12.3 -25.3 33 13.0 -15.8 324.7 324.9 291.3 328.4 1.05 17 451 6564 -14.1 -35.1 15 21.0 -18.3 325.3 325.4 290.8 326.9 0.43 18 413 7230 -17.3 -50.3 4 33.0 -21.5 329.5 329.5 291.7 329.8 0.09 19 399 7488 -19.7 -46.7 7 27.0 -23.2 329.6 329.6 291.7 330.2 0.14 20 388 7696 -21.3 -39.3 18 18.0 -24.1 330.2 330.2 292.1 331.4 0.33 21 376 7927 -22.5 -34.5 33 12.0 -24.6 331.6 331.7 292.7 333.6 0.55 22 345 8554 -27.9 -36.9 42 9.0 -29.2 332.5 332.6 292.9 334.3 0.47 23 324 9004 -31.1 -38.1 50 7.0 -32.0 334.1 334.2 293.3 335.8 0.44 24 306 9408 -33.3 -43.3 36 10.0 -34.4 336.5 336.6 293.7 337.6 0.27 25 305 9431 -33.3 -48.3 21 15.0 -34.6 336.8 336.9 293.7 337.5 0.16 26 284 9933 -34.1 -63.1 4 29.0 -35.7 342.6 342.6 295.0 342.8 0.03 27 270 10287 -34.9 -72.9 1 38.0 -36.5 346.5 346.5 295.8 346.5 0.01 28 246 10936 -36.1 -74.1 1 38.0 -37.7 354.0 354.0 297.5 354.1 0.01 29 234 11284 -37.3 -74.3 1 37.0 -38.8 357.3 357.3 298.2 357.3 0.01 30 200 12350 -46.1 -81.1 1 35.0 -46.9 265 60 359.8 359.8 298.7 359.8 0.00 TRP WND 223 260 67 Sounding variables and indices 1000-500 mb thick: 5645.75 m Freezing level: 616.87 mb = 4116.17 m = 13504.33 ft Wetbulb zero: 637.05 mb = 3855.30 m = 12648.47 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 76.45 % Est. max temperature: 31.20 C = 88.15 F Sfc-Lift cond lev (LCL): 976.90 mb = 249.19 m = 817.56 ft T: 22.47 C 700-500 lapse rate: 5.80 C/km ThetaE index: 8.35 C Layer 802.0- 619.0 mb Conv cond level (CCL): 763.96 mb = 2355.90 m = 7729.24 ft Mean mixing ratio: 10.81 g/kg Conv temperature: 32.89 C = 91.20 F Cap Strength: 4.20 C Lifted Index: 0.34 C Risk: Showers probable Lifted Index @300 mb: 4.84 C Lifted Index @700 mb: 0.76 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.25 C Cross Totals Index: 20.66 C K Index: 35.81 Risk: > 80 % chance of thunderstorms Sweat Index: 171.91 Risk: None Energy Index: -0.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.02 J/kg Max Up Vert Vel: 10.86 m/s Conv Inhibition (B-): 212.81 J/kg Cap Strength: 4.20 C Lift Cond Lev (LCL): 827.53 mb = 1687.12 m = 5535.11 ft Lev Free Conv (LFC): 612.53 mb = 4171.41 m = 13685.56 ft Equ Level (EL): 502.53 mb = 5731.23 m = 18803.02 ft B at Equ Level: 57.23 J/kg Max Parcel Lev (MPL): 422.53 mb = 7057.34 m = 23153.71 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 223 12058 260 67 66.0 11.6 1 991 124 0 0 -0.0 -0.0 2 972 305 210 10 5.0 8.7 3 940 610 265 11 11.0 1.0 4 925 756 170 12 -2.1 11.8 5 908 914 240 11 9.5 5.5 6 877 1219 245 13 11.8 5.5 7 850 1488 250 16 15.0 5.5 8 816 1829 255 11 10.6 2.8 9 787 2134 270 12 12.0 -0.0 10 759 2438 250 15 14.1 5.1 11 732 2743 260 19 18.7 3.3 12 706 3048 275 18 17.9 -1.6 13 700 3115 270 18 18.0 -0.0 14 654 3658 275 14 13.9 -1.2 15 629 3962 270 11 11.0 -0.0 16 606 4267 295 6 5.4 -2.5 17 583 4572 325 9 5.2 -7.4 18 561 4877 325 11 6.3 -9.0 19 519 5486 25 6 -2.5 -5.4 20 500 5790 205 9 3.8 8.2 21 480 6096 220 7 4.5 5.4 22 400 7480 255 17 16.4 4.4 23 392 7620 255 17 16.4 4.4 24 317 9144 285 21 20.3 -5.4 25 300 9550 265 33 32.9 2.9 26 256 10668 255 58 56.0 15.0 27 250 10830 250 61 57.3 20.9 28 205 12192 260 65 64.0 11.3 29 200 12350 265 60 59.8 5.2 Wind Parameters Energy-Hel index: -3.69 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//VI622/skewt/VI622.skewt.20250417.00.gif