UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 27 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 65 SFC 987 181 30.0 21.0 59 9.0 23.5 210 1 304.3 307.3 297.1 352.1 16.06 2 957 458 29.4 19.4 55 10.0 22.2 178 4 306.4 309.2 296.9 351.4 14.98 3 925 761 27.2 19.2 62 8.0 21.5 140 6 307.1 310.0 297.3 353.3 15.31 4 850 1504 21.4 15.4 69 6.0 17.3 110 7 308.6 311.0 296.2 348.1 13.06 5 732 2784 13.0 9.9 81 3.1 11.0 99 13 312.9 314.9 295.6 345.4 10.53 6 700 3160 11.4 4.4 62 7.0 7.3 100 14 315.1 316.6 294.0 338.7 7.51 7 683 3366 10.6 2.6 58 8.0 6.0 102 14 316.4 317.7 293.8 337.9 6.77 8 637 3944 6.6 -4.4 45 11.0 1.1 114 14 318.3 319.1 292.3 332.3 4.33 9 593 4529 2.0 -0.7 82 2.7 0.5 133 10 319.5 320.7 294.1 339.2 6.14 10 569 4862 -0.3 -1.9 89 1.6 -1.2 166 7 320.6 321.7 294.2 339.5 5.86 11 512 5703 -4.9 -5.4 96 0.5 -5.1 180 11 324.9 325.8 294.6 341.4 5.00 12 511 5718 -5.1 -6.1 93 1.0 -5.6 179 11 324.8 325.7 294.4 340.5 4.75 13 509 5749 -4.3 -7.8 77 3.5 -6.0 177 11 326.1 327.0 294.3 340.1 4.18 14 500 5890 -4.9 -9.9 68 5.0 -7.1 170 11 327.1 327.8 294.1 339.2 3.61 15 496 5953 -5.1 -11.1 63 6.0 -7.7 167 11 327.6 328.2 294.0 338.8 3.30 16 474 6307 -7.3 -10.4 78 3.1 -8.7 137 9 329.1 329.9 294.7 341.5 3.66 17 453 6658 -8.9 -16.9 52 8.0 -11.8 98 7 331.4 331.9 294.1 339.3 2.25 18 405 7516 -13.9 -17.7 73 3.8 -15.3 1 3 335.7 336.2 295.3 344.0 2.35 19 400 7610 -14.3 -18.8 69 4.5 -15.9 350 2 336.4 336.8 295.3 344.1 2.17 20 385 7900 -15.3 -22.3 55 7.0 -17.5 46 2 338.8 339.1 295.5 344.8 1.66 21 367 8260 -18.3 -23.3 65 5.0 -19.8 74 3 339.5 339.8 295.6 345.3 1.59 22 361 8384 -18.9 -31.9 31 13.0 -21.8 84 3 340.3 340.4 295.0 343.0 0.73 23 359 8425 -19.1 -26.1 54 7.0 -21.0 87 3 340.5 340.8 295.6 345.2 1.27 24 345 8721 -21.1 -27.1 58 6.0 -22.6 110 3 341.7 342.0 295.8 346.2 1.20 25 340 8829 -21.7 -29.7 48 8.0 -23.5 119 4 342.3 342.5 295.7 346.0 0.96 26 302 9692 -28.1 -31.1 75 3.0 -28.7 177 5 345.1 345.3 296.4 348.7 0.94 27 300 9740 -28.5 -32.8 66 4.3 -29.3 180 5 345.2 345.4 296.3 348.3 0.81 28 292 9932 -29.7 -34.7 62 5.0 -30.6 192 5 346.2 346.3 296.4 348.9 0.69 29 285 10103 -31.1 -34.3 73 3.2 -31.6 203 5 346.6 346.7 296.5 349.4 0.73 30 280 10227 -32.1 -41.1 40 9.0 -33.3 211 6 346.9 347.0 296.3 348.4 0.37 31 276 10328 -32.9 -35.6 77 2.7 -33.3 218 6 347.2 347.3 296.6 349.8 0.67 32 264 10636 -35.7 -43.7 44 8.0 -36.5 238 6 347.5 347.6 296.4 348.8 0.30 33 257 10821 -37.5 -42.4 60 4.9 -38.0 229 6 347.6 347.6 296.4 349.0 0.36 34 254 10902 -37.9 -41.0 73 3.1 -38.2 223 6 348.1 348.2 296.6 349.8 0.42 35 250 11010 -38.9 -42.4 69 3.5 -39.2 215 6 348.2 348.3 296.5 349.7 0.37 36 232 11518 -42.9 -45.8 73 2.9 -43.1 230 6 349.7 349.7 296.8 350.8 0.27 37 225 11724 -44.7 -49.0 62 4.3 -45.0 236 7 350.0 350.0 296.8 350.8 0.20 38 200 12500 -51.5 -55.0 66 3.5 -51.7 255 10 351.2 351.2 297.0 351.7 0.11 39 199 12533 -51.7 -55.1 67 3.4 -51.8 256 10 351.4 351.4 297.0 351.9 0.11 40 174 13392 -59.3 -63.6 57 4.3 -59.4 273 9 352.6 352.6 297.3 352.8 0.04 41 150 14310 -66.3 -71.2 50 4.9 -66.4 325 3 355.9 355.9 297.9 355.9 0.02 42 133 15028 -71.5 -78.5 34 7.0 -71.5 18 5 359.1 359.1 298.5 359.1 0.01 43 108 16227 -80.9 -85.3 47 4.4 -80.9 130 10 363.3 363.3 299.4 363.3 0.00 44 106 16332 -81.1 -85.6 46 4.5 -81.1 140 10 364.9 364.9 299.7 364.9 0.00 45 100 16660 -79.7 -85.7 36 6.0 -79.7 165 12 373.7 373.7 301.2 373.8 0.00 46 87 17451 -78.3 -86.3 26 8.0 -78.3 95 14 391.7 391.7 304.0 391.8 0.00 47 71 18592 -84.1 -89.1 41 5.0 -84.1 67 15 402.8 402.8 305.6 402.8 0.00 48 70 18670 -84.7 -90.7 34 6.0 -84.7 80 15 403.2 403.2 305.6 403.2 0.00 49 69 18749 -84.9 -90.9 33 6.0 -84.9 72 14 404.4 404.4 305.8 404.4 0.00 50 63 19267 -73.1 -87.1 10 14.0 -73.2 24 10 441.1 441.1 310.0 441.1 0.00 51 56 19954 -75.1 -90.1 8 15.0 -75.2 303 7 451.6 451.6 311.0 451.7 0.00 52 50 20620 -69.7 -89.7 4 20.0 -69.9 165 9 479.2 479.2 313.4 479.3 0.00 53 47 20991 -68.1 -91.1 2 23.0 -68.3 208 9 491.6 491.6 314.4 491.6 0.00 54 45 21256 -61.7 -89.7 1 28.0 -62.2 238 9 513.3 513.3 315.9 513.3 0.00 55 41 21836 -59.7 -88.7 1 29.0 -60.4 272 10 532.2 532.2 317.1 532.2 0.00 56 39 22150 -57.5 -88.5 1 31.0 -58.5 289 10 545.4 545.4 317.8 545.4 0.00 57 35 22830 -60.5 -88.5 1 28.0 -61.3 324 11 554.7 554.7 318.3 554.7 0.00 58 30 23800 -56.3 -87.3 1 31.0 -57.7 105 18 591.2 591.2 320.2 591.2 0.01 59 28 24239 -55.7 -87.7 1 32.0 -57.3 105 16 604.6 604.6 320.8 604.6 0.01 TRP 106 16332 -81.1 -85.6 46 4.5 -81.1 140 10 364.9 364.9 299.7 364.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5825.00 m Freezing level: 572.13 mb = 4818.80 m = 15809.52 ft Wetbulb zero: 585.27 mb = 4634.84 m = 15205.99 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 71.18 % Est. max temperature: 34.71 C = 94.48 F Sfc-Lift cond lev (LCL): 866.54 mb = 1334.70 m = 4378.88 ft T: 22.72 C 700-500 lapse rate: 5.97 C/km ThetaE index: 20.99 C Layer 850.0- 593.0 mb Conv cond level (CCL): 774.64 mb = 2299.12 m = 7542.95 ft Mean mixing ratio: 15.09 g/kg Conv temperature: 36.94 C = 98.49 F Cap Strength: 2.60 C Lifted Index: -2.69 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.22 C Lifted Index @700 mb: 0.25 C Showalter Index: -1.29 C Risk: Thunderstorms probable Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 20.30 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.80 Risk: None Energy Index: -1.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 575.24 J/kg Max Up Vert Vel: 33.92 m/s Conv Inhibition (B-): 102.11 J/kg Cap Strength: 2.60 C Lift Cond Lev (LCL): 826.62 mb = 1742.89 m = 5718.06 ft Lev Free Conv (LFC): 661.62 mb = 3629.71 m = 11908.35 ft Equ Level (EL): 191.62 mb = 12774.66 m = 41911.09 ft B at Equ Level: 573.08 J/kg Max Parcel Lev (MPL): 101.62 mb = 16569.53 m = 54361.32 ft Wind level data Storm motion: 155 at 8 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 ---------------------------------------------------------- 0 987 181 210 1 0.5 0.9 | 328 7 3.7 -6.0 1 941 610 160 6 -2.1 5.6 | 316 2 1.2 -1.2 2 925 761 140 6 -3.9 4.6 | 16 2 -0.6 -2.2 3 909 914 125 6 -4.9 3.4 | 27 4 -1.7 -3.4 4 850 1504 110 7 -6.6 2.4 | 37 6 -3.4 -4.4 5 848 1524 110 7 -6.6 2.4 | 37 6 -3.4 -4.4 6 790 2134 95 11 -11.0 1.0 | 53 10 -7.7 -5.9 7 709 3048 100 14 -13.8 2.4 | 67 11 -10.6 -4.4 8 700 3160 100 14 -13.8 2.4 | 67 11 -10.6 -4.4 9 658 3658 105 15 -14.5 3.9 | 75 12 -11.3 -2.9 10 588 4572 135 10 -7.1 7.1 | 94 4 -3.9 0.2 11 567 4877 170 7 -1.2 6.9 | 268 2 2.0 0.1 12 526 5486 190 11 1.9 10.8 | 232 7 5.1 4.0 13 500 5890 170 11 -1.9 10.8 | 198 4 1.3 4.0 14 487 6096 160 10 -3.4 9.4 | 176 3 -0.2 2.6 15 400 7610 350 2 0.3 -2.0 | 338 9 3.6 -8.8 16 399 7620 25 2 -0.8 -1.8 | 345 9 2.4 -8.6 17 325 9144 145 4 -2.3 3.3 | 345 4 0.9 -3.5 18 300 9740 180 5 0.0 5.0 | 300 4 3.2 -1.8 19 263 10668 240 6 5.2 3.0 | 294 9 8.4 -3.8 20 250 11010 215 6 3.4 4.9 | 286 7 6.7 -1.9 21 209 12192 250 7 6.6 2.4 | 294 11 9.8 -4.4 22 200 12500 255 10 9.7 2.6 | 288 14 12.9 -4.2 23 165 13716 280 8 7.9 -1.4 | 307 14 11.1 -8.2 24 150 14310 325 3 1.7 -2.5 | 332 11 4.9 -9.3 25 128 15240 35 6 -3.4 -4.9 | 1 12 -0.2 -11.7 26 106 16332 140 10 -6.4 7.7 | 105 3 -3.2 0.8 27 104 16459 140 10 -6.4 7.7 | 105 3 -3.2 0.8 28 100 16660 165 12 -3.1 11.6 | 181 5 0.1 4.8 29 75 18288 20 17 -5.8 -16.0 | 6 23 -2.6 -22.8 30 70 18670 80 15 -14.8 -2.6 | 51 15 -11.6 -9.4 31 57 19812 335 6 2.5 -5.4 | 335 14 5.8 -12.3 32 50 20620 165 9 -2.3 8.7 | 205 2 0.9 1.9 33 45 21336 245 9 8.2 3.8 | 285 12 11.4 -3.0 34 35 22860 325 11 6.3 -9.0 | 329 18 9.5 -15.8 35 30 23800 105 18 -17.4 4.7 | 81 14 -14.2 -2.2 36 26 24384 105 15 -14.5 3.9 | 75 12 -11.3 -2.9 Wind Parameters Mean winds (0-6000m): 124.8 at 10.1 knts Storm direction: 154.8 at 7.5 knts Shear (0-3000m) pos: 0.5 neg: 2.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 99.7 deg Storm rel helicity (0-3000m) pos: 13.5 neg: -2.8 tot: 10.8 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 1.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 77.59 Bulk Shear: 7.41 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 ------------------------------------------------------------------------------- 500 164 4 325 4| 0.0 5.7 5.7| 0.6 -2.8 -2.1 -4.3 -0.07| 7.0 -0.5 1000 142 5 357 3| 0.0 3.4 3.4| 2.0 -2.8 -0.8 -0.8 0.14| 5.3 0.7 1500 129 6 20 3| 0.0 2.9 2.9| 3.6 -2.8 0.8 0.6 0.20| 4.3 0.9 2000 117 7 36 5| 0.0 3.0 3.0| 6.2 -2.8 3.4 1.7 0.23| 4.2 1.0 2500 110 8 44 6| 0.4 2.4 2.7| 10.2 -2.8 7.4 3.0 0.29| 3.7 1.1 3000 107 9 51 7| 0.5 2.0 2.5| 13.5 -2.8 10.8 3.6 0.33| 3.3 1.1 4000 107 10 60 7| 0.7 1.5 2.2| 23.0 -2.8 20.3 5.1 0.38| 3.3 1.3 5000 114 10 65 7| 1.4 1.2 2.6| 25.3 -3.8 21.5 4.3 0.35| 3.9 1.4 6000 125 10 78 5| 1.3 1.4 2.7| 25.3 -10.5 14.8 2.5 0.15| 4.1 0.6 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250427.12.gif