UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 22 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 61 SFC 986 181 32.2 22.2 56 10.0 24.8 320 2 306.6 309.8 298.4 358.8 17.34 2 951 510 31.0 20.0 52 11.0 23.0 274 12 308.6 311.5 297.9 356.0 15.66 3 925 761 28.8 18.8 55 10.0 21.6 260 12 308.8 311.6 297.5 354.0 14.93 4 850 1508 22.6 16.6 69 6.0 18.4 265 5 309.8 312.5 297.3 352.8 14.12 5 779 2261 16.2 13.5 84 2.7 14.4 207 4 310.8 313.2 296.5 349.3 12.59 6 723 2893 11.8 10.0 89 1.8 10.6 273 2 312.6 314.7 295.7 345.8 10.73 7 700 3164 10.4 6.7 78 3.7 8.1 300 1 314.0 315.7 294.7 341.5 8.83 8 695 3224 9.8 5.7 76 4.1 7.3 284 1 314.0 315.6 294.3 339.8 8.30 9 646 3829 7.2 -6.8 36 14.0 0.5 137 3 317.7 318.4 291.5 329.2 3.55 10 630 4035 5.8 -9.2 33 15.0 -1.0 107 3 318.4 318.9 291.2 328.3 3.02 11 606 4351 3.2 -4.8 56 8.0 -0.7 60 3 318.9 319.8 292.6 333.2 4.42 12 583 4665 2.0 -11.0 37 13.0 -3.6 19 3 321.1 321.6 291.9 330.5 2.83 13 577 4748 1.0 -8.0 51 9.0 -3.1 12 4 320.8 321.6 292.4 332.8 3.63 14 572 4818 0.2 -1.8 86 2.0 -0.9 6 4 320.7 321.9 294.2 339.7 5.87 15 559 5002 -0.9 -2.0 92 1.1 -1.5 4 6 321.5 322.7 294.5 340.7 5.92 16 556 5046 -0.3 -6.3 64 6.0 -3.2 5 7 322.7 323.6 293.5 336.9 4.30 17 541 5264 -1.7 -9.7 54 8.0 -5.3 12 9 323.6 324.3 293.0 334.9 3.39 18 528 5458 -1.7 -31.7 8 30.0 -9.6 19 11 325.8 326.0 291.0 327.7 0.51 19 500 5890 -4.5 -24.5 19 20.0 -10.6 35 8 327.6 327.8 292.0 331.3 1.05 20 484 6145 -6.1 -18.1 38 12.0 -10.4 40 8 328.6 329.0 293.1 335.3 1.90 21 477 6260 -5.9 -26.9 17 21.0 -11.9 41 8 330.3 330.4 292.7 333.5 0.89 22 453 6662 -7.9 -32.9 11 25.0 -14.0 42 7 332.7 332.8 293.0 334.7 0.53 23 441 6871 -8.9 -28.9 18 20.0 -14.3 43 7 334.0 334.1 293.6 336.9 0.80 24 435 6977 -9.7 -15.7 62 6.0 -12.0 43 7 334.3 334.8 295.1 343.3 2.59 25 425 7156 -10.9 -15.9 67 5.0 -12.8 43 7 335.0 335.5 295.3 344.1 2.61 26 420 7247 -11.5 -21.5 43 10.0 -14.7 44 6 335.3 335.7 294.6 341.2 1.63 27 417 7302 -11.7 -17.7 61 6.0 -13.9 44 6 335.8 336.2 295.3 343.8 2.28 28 411 7413 -12.1 -29.1 23 17.0 -16.6 44 6 336.6 336.8 294.3 339.8 0.84 29 408 7469 -12.7 -21.7 47 9.0 -15.6 44 6 336.6 336.9 294.9 342.5 1.65 30 405 7525 -12.5 -36.5 12 24.0 -17.6 45 6 337.5 337.6 294.1 339.1 0.41 31 400 7620 -13.5 -38.5 10 25.0 -18.4 45 6 337.4 337.5 294.0 338.8 0.34 32 372 8167 -17.5 -33.5 23 16.0 -21.0 49 5 339.2 339.3 294.7 341.5 0.61 33 351 8599 -20.9 -50.9 5 30.0 -24.6 56 5 340.3 340.3 294.5 340.7 0.10 34 330 9052 -23.9 -45.9 11 22.0 -26.8 63 4 342.2 342.3 295.0 343.0 0.19 35 324 9186 -25.1 -33.1 47 8.0 -26.6 65 4 342.4 342.5 295.6 345.2 0.73 36 313 9436 -27.1 -47.1 13 20.0 -29.5 70 4 343.0 343.0 295.2 343.7 0.18 37 300 9740 -29.3 -38.3 41 9.0 -30.6 75 5 344.1 344.2 295.7 345.9 0.47 38 297 9811 -30.1 -37.1 50 7.0 -31.2 79 5 343.9 344.1 295.7 346.0 0.53 39 294 9883 -30.5 -42.5 30 12.0 -32.0 83 5 344.4 344.4 295.7 345.6 0.31 40 290 9980 -31.3 -36.3 61 5.0 -32.1 89 5 344.6 344.7 296.0 346.9 0.59 41 287 10053 -31.5 -46.5 21 15.0 -33.1 93 5 345.3 345.4 295.8 346.2 0.20 42 268 10531 -35.3 -55.3 11 20.0 -36.7 122 6 346.6 346.6 296.0 347.0 0.08 43 264 10635 -36.1 -46.1 35 10.0 -37.1 128 6 346.9 347.0 296.1 347.9 0.23 44 263 10662 -36.1 -69.1 2 33.0 -37.6 129 6 347.3 347.3 296.0 347.4 0.01 45 250 11010 -38.7 -57.7 12 19.0 -39.8 135 5 348.5 348.5 296.4 348.8 0.06 46 239 11317 -41.5 -51.5 33 10.0 -42.2 141 8 348.8 348.9 296.5 349.4 0.14 47 230 11576 -43.5 -63.5 9 20.0 -44.3 147 10 349.6 349.6 296.6 349.8 0.03 48 229 11605 -43.7 -64.7 8 21.0 -44.5 147 10 349.8 349.8 296.6 349.9 0.03 49 218 11934 -46.1 -61.1 17 15.0 -46.7 154 14 351.0 351.0 296.9 351.2 0.05 50 210 12181 -48.5 -53.5 56 5.0 -48.7 160 16 351.0 351.1 297.0 351.6 0.12 51 206 12307 -49.3 -62.3 20 13.0 -49.7 162 16 351.7 351.7 297.0 351.9 0.04 52 200 12500 -50.7 -63.7 20 13.0 -51.1 165 15 352.5 352.5 297.2 352.6 0.04 53 199 12533 -50.9 -63.9 20 13.0 -51.2 164 15 352.7 352.7 297.3 352.8 0.04 54 165 13725 -61.7 -65.7 59 4.0 -61.7 130 13 354.0 354.0 297.5 354.2 0.03 55 150 14310 -66.5 -70.5 57 4.0 -66.5 100 9 355.5 355.5 297.8 355.6 0.02 56 117 15773 -76.7 -81.7 45 5.0 -76.7 102 15 362.9 362.9 299.2 362.9 0.00 57 100 16670 -78.7 -86.7 26 8.0 -78.7 115 28 375.7 375.7 301.5 375.7 0.00 58 84 17653 -82.5 -89.5 29 7.0 -82.5 100 31 387.2 387.2 303.3 387.2 0.00 59 70 18690 -75.5 -88.5 11 13.0 -75.6 140 25 422.9 422.9 308.0 422.9 0.00 60 69 18773 -75.3 -88.3 11 13.0 -75.3 148 24 425.0 425.0 308.3 425.0 0.00 61 62 19391 -77.3 -90.3 11 13.0 -77.3 210 14 433.8 433.8 309.3 433.8 0.00 62 56 19985 -71.1 -90.1 4 19.0 -71.2 233 9 460.8 460.8 311.8 460.8 0.00 63 50 20660 -68.7 -90.7 3 22.0 -68.9 170 11 481.6 481.6 313.6 481.6 0.00 64 37 22474 -65.3 -91.3 2 26.0 -65.7 187 3 533.6 533.6 317.1 533.6 0.00 65 35 22816 -59.3 -89.3 1 30.0 -60.2 195 2 557.8 557.8 318.5 557.9 0.00 66 32 23376 -60.1 -89.1 1 29.0 -61.0 144 8 570.2 570.2 319.2 570.2 0.00 67 30 23780 -57.7 -89.7 1 32.0 -58.9 105 12 587.3 587.3 320.0 587.4 0.00 68 26 24688 -55.3 -87.3 1 32.0 -57.1 105 15 618.7 618.7 321.5 618.7 0.01 TRP 84 17653 -82.5 -89.5 29 7.0 -82.5 100 31 387.2 387.2 303.3 387.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5829.00 m Freezing level: 569.64 mb = 4851.73 m = 15917.57 ft Wetbulb zero: 640.25 mb = 3902.05 m = 12801.84 ft Precipitable water: 1.92 inches Sfc-500 mean rel hum: 59.11 % Est. max temperature: 35.62 C = 96.11 F Sfc-Lift cond lev (LCL): 853.78 mb = 1468.76 m = 4818.71 ft T: 22.93 C 700-500 lapse rate: 5.47 C/km ThetaE index: 30.48 C Layer 951.0- 606.0 mb Conv cond level (CCL): 785.10 mb = 2193.72 m = 7197.17 ft Mean mixing ratio: 15.47 g/kg Conv temperature: 36.29 C = 97.32 F Cap Strength: 1.81 C Lifted Index: -3.41 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.71 C Lifted Index @700 mb: -1.60 C Showalter Index: -2.53 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: 40.00 Risk: > 80 % chance of thunderstorms Sweat Index: 217.20 Risk: None Energy Index: -4.12 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1149.68 J/kg Max Up Vert Vel: 47.95 m/s Conv Inhibition (B-): 55.83 J/kg Cap Strength: 1.81 C Lift Cond Lev (LCL): 810.44 mb = 1919.51 m = 6297.52 ft Lev Free Conv (LFC): 765.44 mb = 2409.86 m = 7906.27 ft Equ Level (EL): 145.44 mb = 14491.91 m = 47545.07 ft B at Equ Level: 1135.89 J/kg Max Parcel Lev (MPL): 85.44 mb = 17557.59 m = 57602.95 ft Wind level data Storm motion: 337 at 4 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 ---------------------------------------------------------- 0 986 181 320 2 1.3 -1.5 | 172 2 -0.3 2.3 1 941 610 260 15 14.8 2.6 | 244 15 13.2 6.5 2 925 761 260 12 11.8 2.1 | 240 12 10.2 6.0 3 909 914 265 10 10.0 0.9 | 240 10 8.3 4.7 4 850 1508 265 5 5.0 0.4 | 218 5 3.4 4.3 5 848 1524 265 5 5.0 0.4 | 218 5 3.4 4.3 6 790 2134 195 5 1.3 4.8 | 178 9 -0.3 8.7 7 710 3048 290 1 0.9 -0.3 | 169 4 -0.7 3.5 8 700 3164 300 1 0.9 -0.5 | 167 3 -0.8 3.4 9 659 3658 160 3 -1.0 2.8 | 158 7 -2.6 6.7 10 588 4572 25 3 -1.3 -2.7 | 112 3 -2.9 1.1 11 567 4877 360 5 -0.0 -5.0 | 55 2 -1.6 -1.1 12 526 5486 20 11 -3.8 -10.3 | 40 8 -5.4 -6.5 13 500 5890 35 8 -4.6 -6.6 | 67 7 -6.2 -2.7 14 487 6096 40 8 -5.1 -6.1 | 72 7 -6.8 -2.3 15 400 7620 45 6 -4.2 -4.2 | 86 6 -5.9 -0.4 16 400 7620 40 6 -3.9 -4.6 | 82 6 -5.5 -0.7 17 325 9144 65 4 -3.6 -1.7 | 113 6 -5.2 2.2 18 300 9740 75 5 -4.8 -1.3 | 112 7 -6.4 2.6 19 263 10668 130 6 -4.6 3.9 | 141 10 -6.2 7.7 20 250 11010 135 5 -3.5 3.5 | 145 9 -5.2 7.4 21 209 12192 160 16 -5.5 15.0 | 159 20 -7.1 18.9 22 200 12500 165 15 -3.9 14.5 | 163 19 -5.5 18.4 23 165 13716 130 13 -10.0 8.4 | 137 17 -11.6 12.2 24 150 14310 100 9 -8.9 1.6 | 117 12 -10.5 5.4 25 128 15240 100 11 -10.8 1.9 | 115 14 -12.5 5.8 26 104 16459 105 21 -20.3 5.4 | 113 24 -21.9 9.3 27 100 16670 115 28 -25.4 11.8 | 120 31 -27.0 15.7 28 84 17653 100 31 -30.5 5.4 | 106 33 -32.1 9.3 29 75 18288 90 23 -23.0 0.0 | 99 25 -24.6 3.9 30 70 18690 140 25 -16.1 19.2 | 142 29 -17.7 23.0 31 58 19812 250 8 7.5 2.7 | 222 9 5.9 6.6 32 50 20660 170 11 -1.9 10.8 | 167 15 -3.5 14.7 33 45 21336 160 6 -2.1 5.6 | 159 10 -3.7 9.5 34 35 22860 195 2 0.5 1.9 | 169 6 -1.1 5.8 35 30 23780 105 12 -11.6 3.1 | 118 15 -13.2 7.0 36 26 24384 105 15 -14.5 3.9 | 116 18 -16.1 7.8 37 23 24994 105 19 -18.4 4.9 | 114 22 -20.0 8.8 Wind Parameters Mean winds (0-6000m): 307.3 at 5.6 knts Storm direction: 337.3 at 4.2 knts Shear (0-3000m) pos: 1.6 neg: 1.7 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): -2.7 deg Storm rel helicity (0-3000m) pos: 5.5 neg: -28.6 tot: -23.1 m^2/s^2 ave: -7.7 10^-3 m/s^2 rel: -0.20 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -1.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 210.14 Bulk Shear: 5.47 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 ------------------------------------------------------------------------------- 500 265 9 238 9| 0.0 13.1 13.1| 2.5 -11.0 -8.5 -17.0 0.03| 16.5 0.5 1000 264 10 239 9| 3.0 6.5 9.6| 2.7 -14.9 -12.2 -12.2 -0.04| 11.3 -0.5 1500 264 8 235 8| 2.0 3.6 5.6| 2.7 -19.7 -17.0 -11.3 -0.14| 9.0 -1.3 2000 257 8 226 8| 1.5 2.5 4.0| 2.7 -27.0 -24.3 -12.1 -0.24| 7.8 -1.9 2500 253 7 220 8| 1.5 2.0 3.5| 5.4 -27.1 -21.7 -8.7 -0.18| 7.1 -1.2 3000 251 6 215 7| 1.6 1.7 3.2| 5.5 -28.6 -23.1 -7.7 -0.20| 6.3 -1.3 4000 245 5 206 7| 1.2 1.0 2.2| 6.2 -39.1 -32.9 -8.2 -0.28| 5.9 -1.6 5000 260 5 214 6| 0.9 0.4 1.3| 6.2 -43.0 -36.8 -7.4 -0.32| 5.6 -1.8 6000 307 6 260 3| 1.0 0.3 1.3| 15.2 -43.0 -27.8 -4.6 -0.20| 5.4 -1.1 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250422.12.gif