UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 25 APR 25 Station: VTUN WMO ident: 48431 Latitude: 14.97 Longitude: 102.83 Elevation: 181.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 42 SFC 984 181 32.6 21.6 52 11.0 24.5 200 5 307.2 310.3 298.2 357.6 16.73 2 983 190 33.2 21.2 49 12.0 24.4 307.9 310.9 298.1 357.2 16.33 3 979 228 32.0 21.0 52 11.0 24.0 307.0 310.0 297.8 355.8 16.20 4 967 340 31.4 20.4 52 11.0 23.4 307.5 310.4 297.7 355.1 15.79 5 964 368 32.6 19.6 46 13.0 23.2 309.0 311.8 297.6 354.7 15.06 6 937 627 30.8 18.8 49 12.0 22.2 309.7 312.4 297.6 354.5 14.73 7 935 647 30.8 18.8 49 12.0 22.2 309.8 312.6 297.7 354.8 14.76 8 925 744 30.0 19.0 52 11.0 22.1 195 7 310.0 312.8 297.9 356.1 15.12 9 850 1493 23.4 17.4 69 6.0 19.1 130 2 310.7 313.5 297.9 356.1 14.87 10 735 2741 12.4 11.8 96 0.6 12.0 311.8 314.1 296.3 348.5 11.92 11 700 3151 10.6 9.1 90 1.5 9.6 355 12 314.2 316.2 295.9 346.6 10.43 12 699 3163 10.6 8.8 89 1.8 9.5 314.4 316.3 295.8 346.2 10.23 13 695 3211 11.0 7.7 80 3.3 8.9 315.3 317.1 295.6 345.1 9.54 14 690 3271 10.8 6.6 75 4.2 8.2 315.7 317.5 295.2 343.6 8.90 15 662 3614 7.6 6.1 90 1.5 6.7 315.9 317.6 295.3 344.0 8.96 16 652 3740 9.0 1.0 57 8.0 4.5 318.9 320.1 294.1 339.1 6.32 17 626 4075 5.4 0.7 72 4.7 2.8 318.5 319.7 294.1 339.1 6.45 18 622 4128 6.4 -1.6 57 8.0 2.1 320.2 321.3 293.8 337.9 5.48 19 608 4314 5.0 -3.0 56 8.0 0.8 320.7 321.7 293.6 337.1 5.05 20 602 4395 6.0 -7.0 39 13.0 -0.3 322.8 323.5 293.1 335.2 3.76 21 573 4798 3.8 -22.2 13 26.0 -5.1 324.8 325.0 291.3 328.7 1.12 22 514 5671 -2.5 -33.5 7 31.0 -10.3 327.4 327.5 291.5 329.0 0.44 23 500 5890 -3.7 -29.7 11 26.0 -10.8 30 6 328.5 328.7 292.0 330.9 0.65 24 458 6574 -8.9 -30.9 15 22.0 -14.4 330.4 330.5 292.4 332.7 0.63 25 450 6710 -10.3 -24.3 31 14.0 -14.4 330.3 330.5 292.9 334.5 1.19 26 446 6779 -10.7 -15.2 69 4.5 -12.4 330.6 331.2 294.3 339.7 2.63 27 424 7167 -11.3 -34.3 13 23.0 -16.5 334.7 334.8 293.4 336.5 0.49 28 400 7610 -14.5 -37.5 12 23.0 -19.1 305 11 336.1 336.2 293.7 337.6 0.38 29 350 8607 -21.9 -47.9 8 26.0 -25.2 339.2 339.3 294.3 339.8 0.14 TRP WND 337 50 183 Sounding variables and indices 1000-500 mb thick: 5848.00 m Freezing level: 537.41 mb = 5324.67 m = 17469.16 ft Wetbulb zero: 603.47 mb = 4375.08 m = 14353.75 ft Precipitable water: 1.93 inches Sfc-500 mean rel hum: 55.90 % Est. max temperature: 36.26 C = 97.26 F Sfc-Lift cond lev (LCL): 839.87 mb = 1595.94 m = 5235.96 ft T: 22.49 C 700-500 lapse rate: 5.22 C/km ThetaE index: 12.48 C Layer 735.0- 662.0 mb Conv cond level (CCL): 773.18 mb = 2306.47 m = 7567.05 ft Mean mixing ratio: 15.17 g/kg Conv temperature: 36.89 C = 98.40 F Cap Strength: 1.73 C Lifted Index: -2.67 C Risk: Severe thunderstorms possible Lifted Index @700 mb: -1.43 C Showalter Index: -2.84 C Risk: Severe thunderstorms possible Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 21.10 C K Index: 43.00 Risk: > 80 % chance of thunderstorms Sweat Index: 218.80 Risk: None Energy Index: -4.78 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 555.34 J/kg Max Up Vert Vel: 33.33 m/s Conv Inhibition (B-): 62.28 J/kg Cap Strength: 1.73 C Lift Cond Lev (LCL): 796.19 mb = 2054.64 m = 6740.85 ft Lev Free Conv (LFC): 761.19 mb = 2440.71 m = 8007.49 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 337 8754 50 183 -140.2 -117.6 1 984 181 200 5 1.7 4.7 2 939 610 205 7 3.0 6.3 3 925 744 195 7 1.8 6.8 4 907 914 190 6 1.0 5.9 5 850 1493 130 2 -1.5 1.3 6 847 1524 130 2 -1.5 1.3 7 789 2134 45 4 -2.8 -2.8 8 708 3048 355 11 1.0 -11.0 9 700 3151 355 12 1.0 -12.0 10 658 3658 320 8 5.1 -6.1 11 588 4572 260 9 8.9 1.6 12 566 4877 285 6 5.8 -1.6 13 525 5486 100 4 -3.9 0.7 14 500 5890 30 6 -3.0 -5.2 15 487 6096 15 6 -1.6 -5.8 16 400 7610 305 11 9.0 -6.3 17 399 7620 300 11 9.5 -5.5 Wind Parameters Energy-Hel index: -34.71 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//VTUN/skewt/VTUN.skewt.20250425.12.gif