UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 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 87 SFC 989 181 22.8 22.5 98 0.3 22.6 0 0 296.9 300.1 296.1 347.8 17.61 2 948 552 22.0 18.3 80 3.7 19.5 243 1 299.7 302.3 294.6 340.9 14.10 3 925 767 21.0 18.4 85 2.6 19.2 220 4 300.8 303.4 295.1 343.5 14.55 4 879 1210 20.2 17.4 84 2.8 18.2 172 4 304.4 307.0 296.0 347.2 14.37 5 850 1499 18.0 17.2 95 0.8 17.5 145 4 305.0 307.7 296.4 348.9 14.68 6 839 1611 16.8 16.8 100 0.0 16.8 149 4 304.9 307.6 296.2 348.1 14.50 7 725 2846 10.2 8.2 87 2.0 9.0 152 10 310.6 312.4 294.2 339.7 9.46 8 700 3138 8.8 4.2 73 4.6 6.1 150 13 312.2 313.6 293.1 335.2 7.41 9 696 3185 8.6 3.6 71 5.0 5.7 150 13 312.5 313.9 293.0 334.7 7.14 10 686 3305 8.8 -4.2 40 13.0 2.4 150 12 314.0 314.8 290.9 327.1 4.08 11 626 4055 3.8 -0.0 76 3.8 1.7 177 9 316.7 317.8 293.3 336.1 6.12 12 614 4212 3.6 -4.4 56 8.0 -0.4 188 9 318.2 319.1 292.4 332.7 4.50 13 604 4345 2.2 -0.6 82 2.8 0.7 198 9 318.1 319.2 293.7 337.5 6.07 14 595 4466 3.0 -16.0 23 19.0 -4.3 206 8 320.4 320.7 290.7 326.6 1.84 15 592 4507 3.0 -23.0 13 26.0 -5.5 209 8 320.8 321.0 290.1 324.4 1.01 16 540 5243 -3.5 -7.4 74 3.9 -5.3 222 10 321.6 322.4 293.0 335.0 4.06 17 537 5287 -2.7 -5.2 83 2.5 -3.9 222 10 323.1 324.0 294.1 339.0 4.84 18 500 5850 -5.3 -6.3 93 1.0 -5.8 235 5 326.6 327.5 294.9 342.5 4.78 19 496 5913 -5.5 -6.2 95 0.7 -5.8 235 5 327.1 328.1 295.1 343.2 4.86 20 490 6009 -6.1 -6.2 99 0.1 -6.1 235 4 327.5 328.5 295.3 343.9 4.92 21 400 7580 -14.7 -15.8 91 1.1 -15.1 350 4 335.9 336.5 295.7 345.7 2.79 22 376 8046 -17.5 -19.3 86 1.8 -18.1 340 4 338.2 338.6 295.7 346.1 2.21 23 316 9327 -26.5 -28.3 85 1.8 -26.9 326 5 342.9 343.1 296.0 347.3 1.18 24 300 9700 -29.5 -32.1 78 2.6 -30.0 25 2 343.8 344.0 296.0 347.1 0.86 25 298 9748 -29.7 -31.4 85 1.7 -30.0 19 2 344.2 344.4 296.1 347.7 0.93 26 262 10649 -36.9 -43.9 48 7.0 -37.6 253 7 346.5 346.6 296.1 347.7 0.30 27 250 10970 -39.5 -45.5 53 6.0 -40.0 265 22 347.3 347.4 296.3 348.4 0.26 28 237 11334 -42.7 -47.7 58 5.0 -43.0 217 17 347.9 347.9 296.4 348.7 0.22 29 233 11449 -43.7 -52.7 36 9.0 -44.2 202 15 348.0 348.1 296.3 348.6 0.12 30 215 11986 -48.1 -56.1 39 8.0 -48.4 129 7 349.3 349.3 296.5 349.7 0.09 31 200 12460 -52.1 -59.1 43 7.0 -52.3 275 22 350.3 350.3 296.7 350.5 0.07 32 182 13063 -57.1 -66.1 31 9.0 -57.3 296 19 351.7 351.7 297.0 351.8 0.03 33 164 13714 -62.1 -73.1 22 11.0 -62.2 319 15 353.9 354.0 297.5 354.0 0.01 34 150 14260 -66.5 -74.5 32 8.0 -66.5 325 48 355.5 355.5 297.8 355.6 0.01 35 115 15819 -78.1 -84.1 37 6.0 -78.1 293 134 362.1 362.1 299.1 362.1 0.00 36 111 16021 -78.9 -84.9 37 6.0 -78.8 285 163 364.3 364.3 299.5 364.3 0.00 37 100 16610 -81.1 -87.1 36 6.0 -81.1 320 36 371.0 371.0 300.8 371.0 0.00 38 95 16898 -82.3 -88.3 35 6.0 -82.3 1 49 374.2 374.2 301.3 374.2 0.00 39 87 17390 -81.9 -87.9 35 6.0 -81.9 71 71 384.5 384.5 302.9 384.5 0.00 TRP WND 111 16021 -78.9 -84.9 37 6.0 -78.8 285 163 364.3 364.3 299.5 364.3 0.00 Sounding variables and indices 1000-500 mb thick: 5763.00 m Freezing level: 568.00 mb = 4846.60 m = 15900.71 ft Wetbulb zero: 616.22 mb = 4182.64 m = 13722.41 ft Precipitable water: 2.09 inches Sfc-500 mean rel hum: 75.30 % Est. max temperature: 30.77 C = 87.38 F Sfc-Lift cond lev (LCL): 985.09 mb = 215.79 m = 707.95 ft T: 22.73 C 700-500 lapse rate: 5.20 C/km ThetaE index: 21.80 C Layer 839.0- 626.0 mb Conv cond level (CCL): 844.84 mb = 1551.18 m = 5089.10 ft Mean mixing ratio: 14.99 g/kg Conv temperature: 30.83 C = 87.50 F Cap Strength: 2.72 C Lifted Index: -0.16 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.18 C Lifted Index @700 mb: -0.13 C Showalter Index: -1.92 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 22.50 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 219.40 Risk: None Energy Index: -1.38 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.10 J/kg Max Up Vert Vel: 11.05 m/s Conv Inhibition (B-): 74.15 J/kg Cap Strength: 2.59 C Lift Cond Lev (LCL): 904.64 mb = 960.11 m = 3149.93 ft Lev Free Conv (LFC): 729.64 mb = 2791.66 m = 9158.87 ft Equ Level (EL): 689.64 mb = 3261.25 m = 10699.51 ft B at Equ Level: 23.19 J/kg Max Parcel Lev (MPL): 369.64 mb = 8172.06 m = 26810.90 ft Wind level data Storm motion: 212 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 ---------------------------------------------------------- 0 989 181 0 0 -0.0 -0.0 | 32 5 -2.8 -4.5 1 942 610 225 1 0.7 0.7 | 29 4 -2.1 -3.8 2 925 767 220 4 2.6 3.1 | 10 1 -0.3 -1.4 3 909 914 200 4 1.4 3.8 | 63 2 -1.5 -0.7 4 850 1499 145 4 -2.3 3.3 | 77 5 -5.1 -1.2 5 847 1524 145 4 -2.3 3.3 | 77 5 -5.1 -1.2 6 788 2134 175 5 -0.4 5.0 | 99 3 -3.3 0.5 7 708 3048 145 12 -6.9 9.8 | 119 11 -9.7 5.3 8 700 3138 150 13 -6.5 11.3 | 126 12 -9.3 6.8 9 656 3658 150 10 -5.0 8.7 | 118 9 -7.8 4.2 10 586 4572 215 8 4.6 6.6 | 220 3 1.8 2.1 11 564 4877 225 9 6.4 6.4 | 242 4 3.5 1.9 12 523 5486 220 10 6.4 7.7 | 229 5 3.6 3.2 13 500 5850 235 5 4.1 2.9 | 322 2 1.3 -1.6 14 484 6096 235 4 3.3 2.3 | 348 2 0.4 -2.2 15 400 7580 350 4 0.7 -3.9 | 14 9 -2.1 -8.4 16 398 7620 355 3 0.3 -3.0 | 19 8 -2.6 -7.5 17 324 9144 300 6 5.2 -3.0 | 342 8 2.4 -7.5 18 300 9700 25 2 -0.8 -1.8 | 30 7 -3.7 -6.3 19 261 10668 250 7 6.6 2.4 | 299 4 3.7 -2.1 20 250 10970 265 22 21.9 1.9 | 278 19 19.1 -2.6 21 208 12192 100 4 -3.9 0.7 | 61 8 -6.8 -3.8 22 200 12460 275 22 21.9 -1.9 | 289 20 19.1 -6.4 23 164 13716 320 15 9.6 -11.5 | 337 17 6.8 -16.0 24 150 14260 325 48 27.5 -39.3 | 331 50 24.7 -43.8 25 127 15240 315 52 36.8 -36.8 | 321 53 33.9 -41.3 26 111 16021 285 163 157.4 -42.2 | 287 162 154.6 -46.7 27 103 16459 295 142 128.7 -60.0 | 297 141 125.9 -64.5 28 100 16610 320 36 23.1 -27.6 | 328 38 20.3 -32.1 29 82 17678 120 87 -75.3 43.5 | 117 87 -78.2 39.0 Wind Parameters Mean winds (0-6000m): 182.2 at 7.1 knts Storm direction: 212.2 at 5.3 knts Shear (0-3000m) pos: 0.4 neg: 2.1 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 93.2 deg Storm rel helicity (0-3000m) pos: 8.2 neg: -2.5 tot: 5.8 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.61 Bulk Shear: 5.76 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 ------------------------------------------------------------------------------- 500 224 1 30 5| 0.0 2.4 2.4| 0.2 -1.1 -0.9 -1.7 -0.24| 3.0 -0.7 1000 203 2 39 3| 0.0 2.1 2.1| 1.0 -1.3 -0.2 -0.2 0.11| 3.9 0.4 1500 181 3 60 3| 0.0 1.5 1.5| 1.5 -1.6 -0.1 -0.1 0.09| 3.4 0.3 2000 175 3 69 3| 0.5 1.1 1.6| 3.1 -1.6 1.5 0.8 0.20| 3.1 0.6 2500 170 4 83 4| 0.4 1.7 2.2| 4.9 -1.6 3.3 1.3 0.24| 3.4 0.8 3000 161 5 97 5| 0.4 2.1 2.4| 8.2 -2.5 5.8 1.9 0.22| 3.6 0.8 4000 160 7 109 5| 1.1 1.6 2.7| 15.8 -5.3 10.5 2.6 0.27| 3.9 1.0 5000 172 7 124 5| 1.5 1.3 2.7| 20.2 -5.9 14.3 2.9 0.34| 3.8 1.3 6000 182 7 135 4| 1.2 1.0 2.2| 23.9 -6.6 17.3 2.9 0.39| 3.8 1.5 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250429.00.gif