UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 26 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 0 0.0 -31.0 8 31.0 -5.8 273.1 273.2 267.4 274.0 0.29 SFC 988 181 27.0 22.6 77 4.4 23.8 0 0 301.2 304.4 297.4 353.4 17.74 2 925 771 26.0 20.0 70 6.0 21.7 230 8 305.9 308.9 297.5 354.2 16.11 3 916 857 25.8 18.8 65 7.0 20.8 306.5 309.4 297.0 351.9 15.08 4 850 1513 21.2 16.2 73 5.0 17.7 155 5 308.4 310.9 296.6 350.0 13.76 5 744 2654 13.2 10.9 86 2.3 11.7 311.6 313.7 295.7 345.7 11.08 6 707 3084 11.8 2.8 54 9.0 6.6 314.7 315.9 293.2 335.5 6.64 7 700 3167 11.2 2.2 54 9.0 6.1 80 4 314.9 316.1 293.1 335.1 6.42 8 690 3287 10.4 0.4 50 10.0 4.9 315.3 316.4 292.6 333.4 5.72 9 658 3680 7.2 3.6 78 3.6 5.1 316.0 317.5 294.3 339.8 7.56 10 627 4075 4.8 -5.2 48 10.0 -0.1 317.6 318.5 292.0 331.0 4.14 11 620 4166 4.0 -0.4 73 4.4 1.6 317.8 318.9 293.6 336.9 6.00 12 605 4365 3.0 -5.0 56 8.0 -0.9 318.8 319.7 292.5 333.0 4.36 13 593 4526 1.4 -1.3 82 2.7 -0.0 318.8 319.9 293.7 337.6 5.88 14 580 4705 0.6 -3.9 72 4.5 -1.7 319.9 320.9 293.3 335.9 4.95 15 579 4719 0.6 -5.4 64 6.0 -2.3 320.1 320.9 292.9 334.4 4.42 16 577 4746 1.0 -14.0 32 15.0 -5.0 320.8 321.3 291.3 328.4 2.24 17 575 4774 1.0 -7.0 55 8.0 -2.8 321.2 321.9 292.8 334.1 3.93 18 572 4816 1.4 -11.6 37 13.0 -4.1 322.1 322.7 292.0 331.3 2.75 19 529 5443 -1.1 -20.1 22 19.0 -7.8 326.4 326.7 292.1 331.5 1.46 20 503 5843 -3.7 -31.7 9 28.0 -10.9 328.0 328.1 291.7 329.9 0.54 21 500 5890 -4.1 -31.1 10 27.0 -11.2 50 4 328.0 328.2 291.7 330.1 0.57 22 472 6341 -7.9 -34.9 9 27.0 -14.0 328.8 328.9 291.8 330.3 0.42 23 445 6796 -11.3 -22.3 40 11.0 -14.7 330.1 330.4 293.1 335.2 1.44 24 433 7006 -11.5 -35.5 12 24.0 -16.7 332.4 332.5 292.8 334.0 0.43 25 424 7167 -11.9 -38.9 9 27.0 -17.2 333.9 334.0 293.1 335.1 0.31 26 402 7572 -15.1 -44.1 6 29.0 -19.8 334.9 334.9 293.2 335.6 0.19 27 400 7610 -15.3 -44.3 6 29.0 -20.0 155 13 335.1 335.1 293.3 335.8 0.19 28 386 7878 -17.3 -29.3 34 12.0 -20.2 335.9 336.1 294.1 339.2 0.88 29 371 8174 -19.1 -48.1 6 29.0 -23.0 337.3 337.4 293.8 337.9 0.13 30 350 8605 -22.3 -31.3 44 9.0 -24.2 338.7 338.9 294.7 341.7 0.80 31 341 8796 -23.1 -43.1 14 20.0 -26.0 340.1 340.2 294.6 341.1 0.25 32 328 9079 -25.3 -48.3 10 23.0 -28.0 340.9 340.9 294.7 341.5 0.15 33 308 9532 -28.9 -47.9 14 19.0 -30.9 342.1 342.1 295.0 342.7 0.16 34 303 9649 -30.1 -40.1 37 10.0 -31.4 342.0 342.1 295.1 343.5 0.38 35 300 9720 -30.3 -52.3 10 22.0 -32.3 170 64 342.7 342.7 295.1 343.1 0.10 36 299 9744 -30.5 -52.5 10 22.0 -32.4 342.7 342.7 295.1 343.1 0.10 37 258 10775 -38.9 -55.9 15 17.0 -39.9 345.1 345.1 295.6 345.4 0.08 38 251 10963 -40.7 -49.7 37 9.0 -41.3 345.2 345.2 295.7 345.8 0.16 39 250 10990 -40.9 -53.9 23 13.0 -41.7 170 67 345.3 345.3 295.7 345.7 0.10 40 249 11017 -40.9 -58.9 13 18.0 -41.8 345.7 345.7 295.7 345.9 0.05 41 247 11072 -41.5 -49.5 42 8.0 -42.1 345.6 345.6 295.8 346.3 0.17 42 243 11183 -42.1 -61.1 11 19.0 -42.9 346.3 346.3 295.8 346.5 0.04 43 238 11323 -42.9 -50.9 41 8.0 -43.4 347.1 347.2 296.1 347.8 0.15 44 237 11352 -43.3 -60.3 14 17.0 -44.0 346.9 347.0 296.0 347.2 0.05 45 234 11437 -43.9 -53.9 32 10.0 -44.5 347.3 347.3 296.1 347.8 0.11 46 230 11553 -44.7 -64.7 9 20.0 -45.4 347.8 347.8 296.2 347.9 0.03 47 224 11729 -46.3 -52.3 51 6.0 -46.6 348.0 348.0 296.3 348.6 0.14 TRP WND 220 200 84 Sounding variables and indices 1000-500 mb thick: 5890.00 m Freezing level: 547.92 mb = 5167.09 m = 16952.18 ft Wetbulb zero: Below ground Precipitable water: 1.93 inches Sfc-500 mean rel hum: 60.74 % Est. max temperature: 34.50 C = 94.10 F Sfc-Lift cond lev (LCL): 927.05 mb = 751.22 m = 2464.60 ft T: 26.03 C 700-500 lapse rate: 5.62 C/km ThetaE index: 20.83 C Layer 916.0- 658.0 mb Conv cond level (CCL): 803.73 mb = 1992.45 m = 6536.83 ft Mean mixing ratio: 16.18 g/kg Conv temperature: 35.53 C = 95.96 F Cap Strength: 3.10 C Lifted Index: -2.24 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.60 C Lifted Index @700 mb: -0.25 C Showalter Index: -1.13 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 20.30 C K Index: 32.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 208.40 Risk: None Energy Index: -3.77 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1004.32 J/kg Max Up Vert Vel: 44.82 m/s Conv Inhibition (B-): 102.45 J/kg Cap Strength: 3.10 C Lift Cond Lev (LCL): 862.45 mb = 1385.57 m = 4545.78 ft Lev Free Conv (LFC): 757.45 mb = 2500.46 m = 8203.51 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 220 12199 200 84 28.7 78.9 1 988 181 0 0 -0.0 -0.0 2 942 610 230 10 7.7 6.4 3 925 771 230 8 6.1 5.1 4 910 914 225 6 4.2 4.2 5 850 1513 155 5 -2.1 4.5 6 849 1524 155 5 -2.1 4.5 7 790 2134 85 5 -5.0 -0.4 8 710 3048 75 4 -3.9 -1.0 9 700 3167 80 4 -3.9 -0.7 10 659 3658 60 4 -3.5 -2.0 11 588 4572 70 4 -3.8 -1.4 12 567 4877 55 4 -3.3 -2.3 13 526 5486 5 2 -0.2 -2.0 14 500 5890 50 4 -3.1 -2.6 15 487 6096 55 6 -4.9 -3.4 16 400 7610 155 13 -5.5 11.8 17 399 7620 160 15 -5.1 14.1 18 325 9144 180 20 0.0 20.0 19 300 9720 170 64 -11.1 63.0 20 262 10668 165 56 -14.5 54.1 21 250 10990 170 67 -11.6 66.0 Wind Parameters Energy-Hel index: -62.76 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.20250426.00.gif