UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 29 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 57 SFC 986 181 30.4 25.7 76 4.7 26.9 70 4 304.8 308.8 300.5 369.4 21.54 2 925 749 24.2 20.6 80 3.6 21.6 65 6 304.1 307.2 297.5 353.9 16.74 3 911 883 23.0 20.2 84 2.8 21.0 73 5 304.2 307.2 297.4 353.5 16.58 4 899 999 23.2 16.2 65 7.0 18.4 87 5 305.5 307.9 295.4 344.4 12.99 5 850 1487 20.0 15.5 75 4.5 16.9 155 2 307.1 309.6 295.9 346.7 13.14 6 830 1692 18.4 13.6 74 4.8 15.2 172 3 307.5 309.7 295.1 343.4 11.88 7 730 2783 13.2 -0.8 38 14.0 5.7 151 5 313.3 314.3 291.4 328.9 4.94 8 700 3135 11.2 2.2 54 9.0 6.1 130 7 314.9 316.1 293.1 335.1 6.42 9 669 3511 8.4 2.4 66 6.0 5.0 137 6 315.9 317.2 293.7 337.4 6.82 10 650 3749 7.0 0.0 61 7.0 3.2 149 6 316.9 318.0 293.2 335.6 5.90 11 636 3928 7.0 -14.0 21 21.0 -1.6 171 5 318.9 319.3 290.5 325.7 2.03 12 606 4323 3.4 -1.6 70 5.0 0.7 218 4 319.1 320.2 293.6 337.2 5.62 13 582 4649 1.2 -3.6 70 4.8 -1.2 249 3 320.3 321.3 293.4 336.6 5.04 14 581 4663 1.0 -3.9 70 4.9 -1.4 249 3 320.2 321.2 293.4 336.2 4.94 15 570 4817 0.4 -7.6 55 8.0 -3.3 246 3 321.3 322.0 292.7 333.7 3.79 16 567 4859 0.4 -18.6 22 19.0 -6.4 246 3 321.7 322.0 290.9 327.1 1.55 17 564 4902 0.0 -13.0 37 13.0 -5.3 246 3 321.8 322.3 291.7 330.1 2.49 18 554 5045 -0.3 -23.3 16 23.0 -7.7 255 3 323.1 323.3 290.8 326.8 1.06 19 540 5249 -1.9 -8.9 59 7.0 -5.1 269 3 323.5 324.2 293.2 335.5 3.61 20 535 5323 -1.5 -10.5 50 9.0 -5.4 274 3 324.9 325.5 293.2 335.6 3.21 21 532 5368 -1.3 -23.3 17 22.0 -8.4 277 3 325.6 325.8 291.6 329.5 1.10 22 528 5428 -1.5 -18.5 26 17.0 -7.7 281 3 326.1 326.4 292.2 331.9 1.68 23 522 5519 -2.5 -6.0 77 3.5 -4.2 284 4 326.0 326.9 294.7 341.5 4.69 24 500 5860 -4.5 -6.9 83 2.4 -5.7 270 19 327.6 328.5 295.0 342.8 4.56 25 493 5971 -5.3 -7.0 88 1.7 -6.1 268 26 327.9 328.8 295.1 343.3 4.59 26 480 6181 -6.5 -10.6 73 4.1 -8.3 263 35 328.9 329.6 294.6 341.0 3.55 27 475 6263 -6.3 -24.3 23 18.0 -11.8 260 35 330.2 330.4 292.9 334.2 1.13 28 463 6463 -7.1 -19.1 38 12.0 -11.3 254 35 331.6 332.0 293.9 338.0 1.82 29 439 6876 -9.5 -21.5 37 12.0 -13.4 242 36 333.6 334.0 294.1 339.2 1.56 30 421 7199 -11.5 -34.5 13 23.0 -16.7 232 36 335.1 335.2 293.6 337.0 0.49 31 418 7254 -11.9 -23.9 36 12.0 -15.5 230 36 335.3 335.5 294.3 340.1 1.33 32 406 7477 -13.5 -25.5 36 12.0 -16.9 223 36 336.0 336.3 294.4 340.3 1.18 33 400 7590 -14.1 -22.1 51 8.0 -16.6 220 36 336.7 337.0 294.9 342.5 1.63 34 382 7937 -17.1 -18.1 92 1.0 -17.4 228 34 337.2 337.7 295.7 345.7 2.41 35 317 9313 -25.5 -32.5 52 7.0 -26.9 296 32 344.0 344.1 296.0 347.0 0.79 36 300 9710 -28.7 -36.7 46 8.0 -30.0 335 29 344.9 345.0 296.0 347.1 0.55 37 259 10746 -36.3 -54.3 14 18.0 -37.6 337 63 348.6 348.6 296.4 348.9 0.09 38 250 10990 -38.3 -50.3 27 12.0 -39.2 325 88 349.1 349.2 296.6 349.8 0.15 39 248 11045 -38.9 -49.9 30 11.0 -39.8 325 91 349.0 349.1 296.5 349.7 0.16 40 211 12130 -48.0 -64.4 13 16.4 -48.5 325 154 351.3 351.3 297.0 351.4 0.03 41 207 12256 -49.1 -66.1 12 17.0 -49.6 327 147 351.5 351.5 297.0 351.7 0.03 42 200 12480 -51.1 -66.1 15 15.0 -51.5 315 138 351.8 351.9 297.1 352.0 0.03 43 198 12545 -51.5 -66.5 15 15.0 -51.8 352.2 352.2 297.1 352.3 0.03 TRP WND 211 12130 -48.0 -64.4 13 16.4 -48.5 325 154 351.3 351.3 297.0 351.4 0.03 Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 564.00 mb = 4901.61 m = 16081.20 ft Wetbulb zero: 640.72 mb = 3866.98 m = 12686.77 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 59.58 % Est. max temperature: 33.00 C = 91.40 F Sfc-Lift cond lev (LCL): 921.83 mb = 779.13 m = 2556.17 ft T: 23.93 C 700-500 lapse rate: 5.76 C/km ThetaE index: 25.00 C Layer 925.0- 850.0 mb Conv cond level (CCL): 847.97 mb = 1507.58 m = 4946.07 ft Mean mixing ratio: 17.41 g/kg Conv temperature: 32.75 C = 90.95 F Cap Strength: 1.48 C Lifted Index: -3.82 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.79 C Lifted Index @700 mb: -1.12 C Showalter Index: -0.36 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 20.00 C K Index: 31.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.00 Risk: None Energy Index: -0.82 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1253.63 J/kg Max Up Vert Vel: 50.07 m/s Conv Inhibition (B-): 21.71 J/kg Cap Strength: 1.48 C Lift Cond Lev (LCL): 879.35 mb = 1191.33 m = 3908.50 ft Lev Free Conv (LFC): 824.35 mb = 1749.83 m = 5740.83 ft Wind level data Storm motion: 242 at 5 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 ---------------------------------------------------------- 0 986 181 70 4 -3.8 -1.4 | 66 9 -7.9 -3.6 1 940 610 60 7 -6.1 -3.5 | 61 12 -10.2 -5.7 2 925 749 65 6 -5.4 -2.5 | 64 11 -9.6 -4.7 3 908 914 75 5 -4.8 -1.3 | 69 10 -8.9 -3.5 4 850 1487 155 2 -0.8 1.8 | 86 5 -5.0 -0.4 5 846 1524 165 2 -0.5 1.9 | 87 5 -4.6 -0.3 6 788 2134 190 4 0.7 3.9 | 117 4 -3.4 1.7 7 707 3048 135 6 -4.2 4.2 | 104 9 -8.4 2.0 8 700 3135 130 7 -5.4 4.5 | 104 10 -9.5 2.3 9 656 3658 140 6 -3.9 4.6 | 107 8 -8.0 2.4 10 586 4572 250 3 2.8 1.0 | 48 2 -1.3 -1.2 11 565 4877 245 3 2.7 1.3 | 57 2 -1.4 -0.9 12 524 5486 285 3 2.9 -0.8 | 22 3 -1.2 -3.0 13 500 5860 270 19 19.0 -0.0 | 278 15 14.9 -2.2 14 485 6096 265 35 34.9 3.1 | 268 31 30.7 0.9 15 400 7590 220 36 23.1 27.6 | 217 32 19.0 25.4 16 398 7620 215 34 19.5 27.9 | 211 30 15.4 25.7 17 324 9144 280 33 32.5 -5.7 | 286 29 28.4 -7.9 18 300 9710 335 29 12.3 -26.3 | 344 30 8.1 -28.5 19 262 10668 340 55 18.8 -51.7 | 345 56 14.7 -53.9 20 250 10990 325 88 50.5 -72.1 | 328 88 46.4 -74.3 21 211 12130 325 154 88.3 -126.1 | 327 154 84.2 -128.3 22 209 12192 330 150 75.0 -129.9 | 332 150 70.9 -132.1 23 200 12480 315 138 97.6 -97.6 | 317 137 93.5 -99.8 Wind Parameters Mean winds (0-6000m): 212.0 at 6.2 knts Storm direction: 242.0 at 4.7 knts Shear (0-3000m) pos: 1.6 neg: 1.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 38.3 deg Storm rel helicity (0-3000m) pos: 12.7 neg: -5.7 tot: 7.0 m^2/s^2 ave: 2.3 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 0.7 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 72.15 Bulk Shear: 17.38 m/s 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 63 6 63 10| 0.0 2.6 2.6| 0.7 -2.2 -1.5 -3.0 -0.17| 3.4 -0.6 1000 70 5 66 10| 2.6 1.3 3.9| 9.0 -2.2 6.9 6.9 0.34| 4.3 1.5 1500 78 4 70 9| 2.6 0.9 3.5| 10.7 -2.4 8.3 5.5 0.32| 4.1 1.3 2000 95 4 78 8| 2.4 0.7 3.1| 12.6 -2.4 10.2 5.1 0.40| 3.5 1.4 2500 116 4 87 8| 1.9 1.0 2.9| 12.7 -3.2 9.5 3.8 0.31| 3.4 1.0 3000 122 5 91 8| 1.6 1.3 3.0| 12.7 -5.7 7.0 2.3 0.20| 3.4 0.7 4000 132 5 98 8| 1.9 1.0 2.9| 17.6 -5.7 11.9 3.0 0.24| 3.5 0.8 5000 140 5 100 7| 1.5 0.8 2.3| 17.7 -7.1 10.6 2.1 0.11| 3.2 0.4 6000 212 6 165 3| 2.0 1.4 3.4| 17.7 -60.7 -43.0 -7.2 -0.19| 5.7 -1.1 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250429.12.gif