UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 23 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 62 SFC 986 181 32.2 20.2 49 12.0 23.5 200 1 306.6 309.4 297.2 352.5 15.28 2 930 713 29.8 17.8 49 12.0 21.3 243 17 309.3 311.9 297.0 351.6 13.92 3 925 762 29.2 17.2 48 12.0 20.8 245 17 309.2 311.7 296.7 350.1 13.47 4 850 1509 22.6 16.6 69 6.0 18.4 280 9 309.8 312.5 297.3 352.8 14.12 5 749 2595 13.2 12.4 95 0.8 12.7 305 5 311.0 313.3 296.3 348.3 12.18 6 731 2800 11.6 11.6 100 0.0 11.6 303 4 311.4 313.7 296.1 347.7 11.83 7 700 3163 10.2 4.2 66 6.0 6.7 315 2 313.8 315.2 293.6 336.9 7.41 8 678 3428 8.8 1.8 61 7.0 4.9 323 3 315.1 316.3 293.2 335.4 6.44 9 667 3563 8.0 3.5 73 4.5 5.4 327 4 315.7 317.1 294.1 339.0 7.40 10 654 3725 7.6 -4.4 42 12.0 1.6 329 4 317.0 317.8 291.9 330.6 4.22 11 648 3801 7.0 2.4 72 4.6 4.4 328 5 317.2 318.5 294.2 339.5 7.04 12 574 4788 1.2 -0.8 86 2.0 0.1 315 12 321.6 322.8 294.8 341.9 6.30 13 547 5175 0.0 -8.0 55 8.0 -3.7 313 11 324.6 325.3 293.6 337.3 3.83 14 534 5367 -0.9 -4.6 76 3.7 -2.8 311 10 325.8 326.8 295.0 342.6 5.10 15 519 5594 -1.9 -14.9 36 13.0 -7.1 304 10 327.2 327.7 293.1 335.2 2.32 16 511 5718 -3.1 -11.1 54 8.0 -6.6 296 9 327.2 327.9 293.9 338.1 3.21 17 503 5843 -3.5 -18.5 30 15.0 -8.9 288 9 328.2 328.6 292.9 334.4 1.77 18 500 5890 -3.9 -12.9 50 9.0 -7.7 285 9 328.3 328.9 293.8 338.0 2.83 19 493 6001 -4.5 -8.5 74 4.0 -6.4 280 8 328.9 329.7 295.0 342.7 4.09 20 476 6277 -6.5 -12.5 62 6.0 -9.0 282 8 329.7 330.3 294.4 340.2 3.08 21 472 6343 -7.1 -8.9 87 1.8 -7.9 285 8 329.8 330.6 295.2 343.8 4.14 22 466 6443 -7.5 -12.5 67 5.0 -9.6 290 7 330.5 331.1 294.6 341.3 3.14 23 462 6511 -7.9 -10.1 84 2.2 -8.9 292 7 330.8 331.6 295.3 343.9 3.84 24 461 6527 -7.7 -13.7 62 6.0 -10.1 293 7 331.3 331.8 294.6 341.2 2.88 25 457 6595 -8.1 -15.1 57 7.0 -10.8 296 7 331.6 332.1 294.4 340.6 2.59 26 455 6629 -7.7 -21.7 32 14.0 -12.3 297 7 332.5 332.8 293.8 337.8 1.48 27 449 6733 -8.7 -15.7 57 7.0 -11.4 302 7 332.5 333.0 294.6 341.2 2.51 28 442 6855 -9.3 -27.3 22 18.0 -14.3 307 7 333.2 333.4 293.4 336.6 0.92 29 430 7067 -11.1 -17.1 61 6.0 -13.3 316 6 333.6 334.1 294.7 341.8 2.33 30 423 7193 -11.7 -27.7 25 16.0 -16.0 322 6 334.4 334.6 293.8 337.8 0.93 31 414 7358 -13.3 -19.3 61 6.0 -15.3 329 6 334.4 334.8 294.7 341.5 2.01 32 410 7432 -13.3 -31.3 20 18.0 -17.6 332 5 335.3 335.5 293.8 337.9 0.68 33 406 7507 -14.1 -27.1 32 13.0 -17.6 335 5 335.2 335.4 294.1 339.0 1.02 34 404 7544 -14.5 -19.1 68 4.6 -16.0 337 5 335.2 335.6 295.0 342.6 2.09 35 400 7620 -14.7 -22.7 51 8.0 -17.1 340 5 335.9 336.2 294.7 341.4 1.54 36 396 7696 -15.1 -33.1 20 18.0 -19.1 337 5 336.3 336.4 294.0 338.6 0.59 37 388 7850 -16.3 -37.3 15 21.0 -20.4 332 6 336.7 336.8 293.9 338.3 0.40 38 373 8146 -18.1 -26.1 50 8.0 -20.3 321 7 338.2 338.4 295.0 342.6 1.22 39 359 8432 -20.1 -34.1 28 14.0 -22.9 311 8 339.2 339.3 294.7 341.5 0.59 40 356 8494 -20.5 -28.5 49 8.0 -22.4 309 8 339.5 339.7 295.1 343.3 1.02 41 349 8641 -21.3 -36.3 25 15.0 -24.1 304 9 340.3 340.4 294.8 342.2 0.49 42 339 8855 -23.1 -31.1 48 8.0 -24.8 296 10 340.7 340.9 295.3 343.9 0.84 43 336 8920 -23.5 -38.5 24 15.0 -26.0 294 10 341.0 341.1 295.0 342.6 0.41 44 328 9096 -25.1 -42.1 19 17.0 -27.5 287 11 341.2 341.3 294.9 342.3 0.29 45 321 9252 -26.5 -36.5 38 10.0 -28.2 289 11 341.4 341.5 295.1 343.4 0.52 46 320 9275 -26.5 -33.5 52 7.0 -27.8 290 11 341.7 341.8 295.4 344.4 0.71 47 316 9366 -26.9 -35.9 42 9.0 -28.4 294 10 342.3 342.5 295.4 344.5 0.56 48 314 9412 -26.9 -46.9 13 20.0 -29.3 296 10 343.0 343.0 295.2 343.7 0.18 49 309 9528 -27.5 -36.5 42 9.0 -29.0 301 10 343.7 343.8 295.7 345.8 0.54 50 300 9740 -29.1 -35.1 56 6.0 -30.1 310 9 344.4 344.5 295.9 346.9 0.64 51 293 9907 -30.1 -34.2 67 4.1 -30.8 306 9 345.3 345.4 296.2 348.1 0.72 52 280 10226 -32.5 -36.0 71 3.5 -33.0 300 8 346.3 346.5 296.4 348.8 0.63 53 258 10794 -36.7 -49.7 25 13.0 -37.8 295 7 348.4 348.4 296.4 349.0 0.16 54 252 10955 -37.7 -50.7 24 13.0 -38.7 303 6 349.2 349.2 296.6 349.8 0.14 55 250 11010 -38.3 -51.3 24 13.0 -39.3 305 6 349.1 349.2 296.5 349.7 0.14 56 220 11879 -45.5 -49.6 63 4.1 -45.7 258 7 351.0 351.1 297.0 351.8 0.19 57 218 11941 -46.1 -55.1 35 9.0 -46.6 254 7 351.0 351.0 297.0 351.4 0.10 58 200 12510 -50.7 -60.7 30 10.0 -51.0 190 11 352.5 352.5 297.2 352.7 0.05 59 150 14310 -66.7 -72.7 42 6.0 -66.7 155 8 355.2 355.2 297.7 355.2 0.01 60 100 16680 -79.7 -87.7 25 8.0 -79.7 275 5 373.7 373.7 301.2 373.7 0.00 61 89 17337 -81.3 -89.3 25 8.0 -81.3 340 8 383.2 383.2 302.8 383.2 0.00 62 74 18390 -75.5 -88.5 11 13.0 -75.6 253 18 416.2 416.2 307.3 416.2 0.00 63 70 18710 -77.7 -89.7 13 12.0 -77.7 245 32 418.2 418.2 307.5 418.2 0.00 64 63 19312 -78.5 -90.5 12 12.0 -78.6 187 27 429.2 429.2 308.7 429.2 0.00 65 58 19787 -75.3 -91.3 6 16.0 -75.4 141 23 446.7 446.7 310.6 446.7 0.00 66 57 19889 -71.7 -89.7 5 18.0 -71.8 149 22 457.1 457.1 311.5 457.1 0.00 67 51 20551 -67.7 -89.7 3 22.0 -67.9 214 13 481.2 481.2 313.5 481.2 0.00 68 50 20670 -68.7 -89.7 3 21.0 -68.9 225 11 481.6 481.6 313.6 481.6 0.00 69 47 21037 -71.5 -90.5 4 19.0 -71.6 239 13 483.5 483.5 313.7 483.5 0.00 70 31 23565 -59.5 -88.5 1 29.0 -60.4 219 10 577.0 577.0 319.5 577.0 0.00 71 30 23770 -59.9 -88.9 1 29.0 -60.8 195 7 581.3 581.3 319.8 581.4 0.00 72 29 23982 -59.5 -88.5 1 29.0 -60.5 191 8 588.1 588.1 320.0 588.1 0.01 TRP 89 17337 -81.3 -89.3 25 8.0 -81.3 340 8 383.2 383.2 302.8 383.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5828.00 m Freezing level: 547.00 mb = 5174.83 m = 16977.59 ft Wetbulb zero: 573.24 mb = 4798.44 m = 15742.72 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 69.26 % Est. max temperature: 35.60 C = 96.08 F Sfc-Lift cond lev (LCL): 829.27 mb = 1720.98 m = 5646.20 ft T: 20.77 C 700-500 lapse rate: 5.17 C/km ThetaE index: 17.43 C Layer 749.0- 667.0 mb Conv cond level (CCL): 768.13 mb = 2378.60 m = 7803.72 ft Mean mixing ratio: 14.17 g/kg Conv temperature: 36.41 C = 97.54 F Cap Strength: 1.83 C Lifted Index: -1.52 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.55 C Lifted Index @700 mb: -0.81 C Showalter Index: -1.93 C Risk: Thunderstorms probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 20.50 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 226.20 Risk: None Energy Index: -2.91 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 499.27 J/kg Max Up Vert Vel: 31.60 m/s Conv Inhibition (B-): 65.53 J/kg Cap Strength: 1.83 C Lift Cond Lev (LCL): 792.76 mb = 2107.65 m = 6914.77 ft Lev Free Conv (LFC): 747.76 mb = 2609.17 m = 8560.18 ft Equ Level (EL): 237.76 mb = 11351.44 m = 37241.82 ft B at Equ Level: 498.53 J/kg Max Parcel Lev (MPL): 117.76 mb = 15724.46 m = 51588.81 ft Wind level data Storm motion: 322 at 6 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 ---------------------------------------------------------- 0 986 181 200 1 0.3 0.9 | 149 7 -3.6 6.0 1 941 610 240 18 15.6 9.0 | 220 18 11.6 14.0 2 925 762 245 17 15.4 7.2 | 223 17 11.4 12.2 3 909 914 255 15 14.5 3.9 | 230 14 10.5 8.9 4 850 1509 280 9 8.9 -1.6 | 235 6 4.9 3.5 5 849 1524 280 9 8.9 -1.6 | 235 6 4.9 3.5 6 790 2134 310 7 5.4 -4.5 | 249 1 1.4 0.5 7 710 3048 300 3 2.6 -1.5 | 159 4 -1.4 3.5 8 700 3163 315 2 1.4 -1.4 | 145 4 -2.6 3.6 9 659 3658 330 4 2.0 -3.5 | 129 3 -2.0 1.6 10 588 4572 315 12 8.5 -8.5 | 307 6 4.5 -3.4 11 567 4877 315 12 8.5 -8.5 | 307 6 4.5 -3.4 12 526 5486 310 10 7.7 -6.4 | 291 4 3.7 -1.4 13 500 5890 285 9 8.7 -2.3 | 240 5 4.7 2.7 14 487 6096 275 8 8.0 -0.7 | 223 6 4.0 4.3 15 400 7620 340 5 1.7 -4.7 | 99 2 -2.3 0.3 16 400 7620 340 5 1.7 -4.7 | 99 2 -2.3 0.3 17 325 9144 285 11 10.6 -2.8 | 252 7 6.6 2.2 18 300 9740 310 9 6.9 -5.8 | 284 3 2.9 -0.7 19 263 10668 290 7 6.6 -2.4 | 225 4 2.6 2.6 20 250 11010 305 6 4.9 -3.4 | 210 2 0.9 1.6 21 210 12192 240 7 6.1 3.5 | 194 9 2.1 8.5 22 200 12510 190 11 1.9 10.8 | 173 16 -2.1 15.9 23 165 13716 155 7 -3.0 6.3 | 149 13 -6.9 11.4 24 150 14310 155 8 -3.4 7.3 | 149 14 -7.4 12.3 25 128 15240 150 16 -8.0 13.9 | 148 22 -12.0 18.9 26 104 16459 140 17 -10.9 13.0 | 140 23 -14.9 18.1 27 100 16680 275 5 5.0 -0.4 | 192 5 1.0 4.6 28 89 17337 340 8 2.7 -7.5 | 27 3 -1.2 -2.5 29 75 18288 255 14 13.5 3.6 | 228 13 9.5 8.7 30 70 18710 245 32 29.0 13.5 | 233 31 25.0 18.6 31 58 19812 140 23 -14.8 17.6 | 140 29 -18.8 22.7 32 50 20670 225 11 7.8 7.8 | 197 13 3.8 12.8 33 45 21336 250 14 13.2 4.8 | 223 13 9.2 9.8 34 35 22860 305 19 15.6 -10.9 | 297 13 11.6 -5.9 35 30 23770 195 7 1.8 6.8 | 170 12 -2.2 11.8 36 26 24384 180 11 0.0 11.0 | 166 17 -4.0 16.0 Wind Parameters Mean winds (0-6000m): 291.7 at 8.6 knts Storm direction: 321.7 at 6.4 knts Shear (0-3000m) pos: 0.8 neg: 0.4 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): -4.0 deg Storm rel helicity (0-3000m) pos: 65.7 neg: -3.0 tot: 62.7 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 2.7 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 48.91 Bulk Shear: 10.21 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 ------------------------------------------------------------------------------- 500 239 11 206 12| 17.3 0.0 17.3| 51.1 0.0 51.1 102.1 0.81| 19.4 15.7 1000 247 13 218 13| 6.1 0.0 6.1| 64.1 0.0 64.1 64.1 0.69| 13.9 9.6 1500 255 12 223 11| 2.9 0.0 2.9| 65.2 -0.2 64.9 43.3 0.59| 11.1 6.6 2000 262 11 226 9| 1.8 0.0 1.8| 65.7 -0.3 65.4 32.7 0.54| 9.2 5.0 2500 268 10 227 8| 1.5 0.5 1.9| 65.7 -1.2 64.5 25.8 0.46| 7.9 3.6 3000 270 9 223 7| 0.8 0.4 1.2| 65.7 -3.0 62.7 20.9 0.38| 7.0 2.7 4000 279 8 223 5| 0.9 0.3 1.2| 65.7 -4.3 61.4 15.3 0.26| 6.1 1.6 5000 290 8 241 4| 0.7 0.5 1.2| 65.7 -6.1 59.6 11.9 0.20| 5.4 1.1 6000 292 9 245 4| 0.6 0.5 1.1| 65.8 -14.0 51.8 8.6 0.07| 5.1 0.4 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250423.12.gif