UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 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 91 SFC 989 181 26.6 23.1 81 3.5 24.0 240 2 300.7 304.0 297.6 354.5 18.28 2 981 254 27.0 22.8 78 4.2 23.9 242 3 301.8 305.1 297.7 355.2 18.09 3 956 486 25.8 22.3 81 3.5 23.2 247 6 302.8 306.1 298.0 356.2 18.01 4 929 742 26.6 18.6 62 8.0 20.9 242 6 306.1 308.9 296.7 350.2 14.67 5 925 781 26.4 18.4 61 8.0 20.8 240 6 306.3 309.0 296.6 350.0 14.55 6 854 1482 21.8 13.8 60 8.0 16.4 174 7 308.6 310.8 295.3 344.0 11.69 7 850 1523 21.6 13.6 60 8.0 16.3 170 7 308.8 311.0 295.3 344.0 11.60 8 778 2283 15.6 10.6 72 5.0 12.4 164 8 310.2 312.2 294.8 342.0 10.38 9 700 3173 11.2 0.2 47 11.0 5.2 165 9 314.9 316.0 292.4 332.4 5.55 10 697 3209 11.0 -2.0 40 13.0 4.2 165 9 315.1 316.0 291.7 330.1 4.74 11 640 3912 5.4 -0.6 65 6.0 2.2 126 5 316.5 317.6 293.0 334.7 5.73 12 631 4027 5.8 -10.2 31 16.0 -1.3 109 5 318.2 318.8 291.0 327.4 2.79 13 598 4465 3.8 -14.2 25 18.0 -3.5 47 8 320.8 321.2 291.2 328.0 2.13 14 587 4615 3.0 -6.0 52 9.0 -1.4 30 9 321.6 322.4 293.1 335.2 4.16 15 584 4656 3.2 -13.8 27 17.0 -3.8 30 9 322.3 322.7 291.7 329.9 2.25 16 567 4895 1.4 -9.6 44 11.0 -3.6 30 9 322.9 323.6 292.7 333.8 3.26 17 555 5066 1.0 -22.0 16 23.0 -6.8 33 8 324.4 324.7 291.3 328.6 1.18 18 546 5198 0.2 -16.8 27 17.0 -6.2 35 7 325.0 325.4 292.1 331.5 1.88 19 542 5256 0.2 -16.8 27 17.0 -6.3 36 7 325.7 326.1 292.3 332.2 1.89 20 537 5331 0.8 -29.2 8 30.0 -7.9 37 7 327.3 327.4 291.6 329.6 0.64 21 502 5868 -2.3 -24.3 17 22.0 -9.3 40 2 329.9 330.1 292.7 333.7 1.07 22 500 5900 -2.5 -20.5 24 18.0 -8.8 40 2 330.0 330.3 293.2 335.3 1.50 23 489 6077 -3.7 -15.7 39 12.0 -8.4 22 3 330.6 331.1 294.0 338.6 2.30 24 485 6142 -3.9 -26.9 15 23.0 -10.7 16 3 331.2 331.3 292.9 334.3 0.87 25 476 6290 -4.5 -29.5 12 25.0 -11.5 2 3 332.2 332.3 293.0 334.8 0.70 26 443 6853 -8.9 -21.9 34 13.0 -13.1 306 3 333.5 333.8 294.0 338.9 1.49 27 420 7266 -11.1 -30.1 19 19.0 -16.0 265 2 335.8 336.0 294.0 338.6 0.75 28 400 7640 -14.1 -31.1 22 17.0 -18.2 230 2 336.7 336.8 294.1 339.3 0.71 29 379 8046 -17.3 -40.3 12 23.0 -21.3 214 3 337.7 337.7 294.0 338.9 0.30 30 338 8892 -23.7 -42.7 16 19.0 -26.4 181 5 340.2 340.2 294.6 341.2 0.26 31 332 9022 -24.9 -33.9 43 9.0 -26.6 175 6 340.3 340.4 295.0 342.8 0.66 32 318 9334 -27.1 -45.1 16 18.0 -29.3 149 6 341.5 341.5 294.8 342.3 0.21 33 300 9750 -30.7 -37.7 50 7.0 -31.7 100 6 342.1 342.2 295.3 344.0 0.50 34 291 9966 -32.5 -38.5 55 6.0 -33.3 95 6 342.5 342.6 295.4 344.4 0.47 35 276 10337 -35.1 -36.0 91 0.9 -35.2 87 7 344.0 344.1 295.8 346.5 0.64 36 254 10911 -39.3 -41.3 81 2.0 -39.5 94 9 346.1 346.1 296.1 347.7 0.40 37 252 10966 -39.5 -44.5 59 5.0 -39.9 97 9 346.5 346.6 296.1 347.7 0.29 38 250 11020 -40.1 -42.7 76 2.6 -40.4 100 9 346.4 346.5 296.1 347.9 0.35 39 247 11102 -40.9 -43.5 76 2.6 -41.1 102 9 346.5 346.5 296.1 347.8 0.33 40 241 11268 -41.9 -49.9 41 8.0 -42.5 106 9 347.4 347.4 296.2 348.1 0.17 41 240 11296 -42.1 -58.1 16 16.0 -42.9 107 9 347.5 347.5 296.1 347.8 0.06 42 235 11437 -43.1 -47.6 61 4.5 -43.4 111 9 348.1 348.1 296.4 349.0 0.22 43 221 11847 -46.1 -67.1 8 21.0 -46.7 121 10 349.6 349.6 296.5 349.7 0.02 44 205 12340 -50.3 -65.3 15 15.0 -50.7 130 11 350.6 350.6 296.8 350.8 0.03 45 200 12500 -51.1 -55.1 62 4.0 -51.2 130 13 351.8 351.9 297.1 352.3 0.11 46 199 12533 -51.5 -54.6 69 3.1 -51.6 129 13 351.7 351.7 297.1 352.2 0.12 47 187 12935 -55.1 -61.1 47 6.0 -55.2 123 12 352.2 352.2 297.1 352.5 0.05 48 178 13249 -58.1 -62.6 56 4.5 -58.2 118 11 352.3 352.3 297.2 352.5 0.05 49 150 14310 -66.1 -71.1 49 5.0 -66.1 90 16 356.2 356.2 298.0 356.3 0.02 50 126 15345 -74.5 -79.5 46 5.0 -74.5 90 16 359.2 359.2 298.5 359.3 0.01 51 105 16386 -81.3 -84.7 56 3.4 -81.3 90 23 365.5 365.5 299.8 365.5 0.00 52 100 16660 -81.1 -85.6 46 4.5 -81.1 110 28 371.0 371.0 300.8 371.0 0.00 53 89 17313 -83.3 -88.1 43 4.8 -83.3 120 29 379.2 379.2 302.1 379.2 0.00 54 75 18269 -82.5 -89.5 29 7.0 -82.5 120 29 399.9 399.9 305.2 399.9 0.00 55 70 18660 -77.3 -89.3 13 12.0 -77.3 100 12 419.0 419.0 307.6 419.0 0.00 56 67 18912 -74.5 -89.5 8 15.0 -74.6 116 12 430.4 430.4 308.9 430.4 0.00 57 60 19549 -76.3 -90.3 9 14.0 -76.3 155 10 440.1 440.1 309.9 440.1 0.00 58 58 19746 -72.3 -90.3 5 18.0 -72.4 167 10 453.5 453.5 311.2 453.5 0.00 59 50 20630 -66.1 -90.1 2 24.0 -66.4 335 7 487.7 487.7 314.1 487.7 0.00 60 47 21006 -65.1 -89.1 2 24.0 -65.4 286 4 498.8 498.8 314.9 498.8 0.00 61 40 21997 -60.7 -87.7 2 27.0 -61.3 183 5 533.4 533.4 317.1 533.4 0.00 62 33 23192 -61.3 -88.3 2 27.0 -62.0 96 11 562.0 562.0 318.8 562.0 0.00 63 30 23790 -55.9 -85.9 1 30.0 -57.3 80 16 592.2 592.3 320.3 592.3 0.01 64 28 24230 -55.3 -85.3 1 30.0 -56.9 75 20 605.7 605.7 320.9 605.8 0.01 65 27 24462 -55.5 -85.5 1 30.0 -57.2 73 22 611.5 611.5 321.1 611.6 0.01 TRP 89 17313 -83.3 -88.1 43 4.8 -83.3 120 29 379.2 379.2 302.1 379.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5809.00 m Freezing level: 527.97 mb = 5469.44 m = 17944.14 ft Wetbulb zero: 634.30 mb = 3984.66 m = 13072.86 ft Precipitable water: 1.69 inches Sfc-500 mean rel hum: 48.96 % Est. max temperature: 34.87 C = 94.77 F Sfc-Lift cond lev (LCL): 940.35 mb = 633.49 m = 2078.34 ft T: 26.26 C 700-500 lapse rate: 5.02 C/km ThetaE index: 26.07 C Layer 929.0- 640.0 mb Conv cond level (CCL): 799.66 mb = 2047.03 m = 6715.90 ft Mean mixing ratio: 15.88 g/kg Conv temperature: 35.68 C = 96.22 F Cap Strength: 3.55 C Lifted Index: -0.29 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.47 C Lifted Index @700 mb: 0.05 C Showalter Index: 2.70 C Risk: Showers probable Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 16.10 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 179.20 Risk: None Energy Index: -1.63 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 642.18 J/kg Max Up Vert Vel: 35.84 m/s Conv Inhibition (B-): 126.24 J/kg Cap Strength: 3.55 C Lift Cond Lev (LCL): 859.94 mb = 1421.31 m = 4663.05 ft Lev Free Conv (LFC): 694.94 mb = 3233.18 m = 10607.42 ft Equ Level (EL): 194.94 mb = 12666.03 m = 41554.72 ft B at Equ Level: 637.94 J/kg Max Parcel Lev (MPL): 104.94 mb = 16389.39 m = 53770.30 ft Wind level data Storm motion: 168 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 ---------------------------------------------------------- 0 989 181 240 2 1.7 1.0 | 324 5 2.7 -3.8 1 943 610 250 7 6.6 2.4 | 288 8 7.6 -2.4 2 925 781 240 6 5.2 3.0 | 286 6 6.2 -1.8 3 911 914 225 5 3.5 3.5 | 286 5 4.5 -1.3 4 850 1523 170 7 -1.2 6.9 | 174 2 -0.2 2.1 5 850 1524 170 7 -1.2 6.9 | 174 2 -0.2 2.1 6 791 2134 165 8 -2.1 7.7 | 160 3 -1.1 2.9 7 710 3048 160 10 -3.4 9.4 | 152 5 -2.4 4.6 8 700 3173 165 9 -2.3 8.7 | 161 4 -1.3 3.9 9 659 3658 160 3 -1.0 2.8 | 1 2 -0.0 -2.0 10 589 4572 30 9 -4.5 -7.8 | 15 13 -3.5 -12.6 11 567 4877 30 9 -4.5 -7.8 | 15 13 -3.5 -12.6 12 526 5486 40 6 -3.9 -4.6 | 17 10 -2.8 -9.4 13 500 5900 40 2 -1.3 -1.5 | 3 6 -0.3 -6.4 14 488 6096 20 3 -1.0 -2.8 | 0 8 -0.0 -7.7 15 401 7620 230 2 1.5 1.3 | 324 4 2.5 -3.5 16 400 7640 230 2 1.5 1.3 | 324 4 2.5 -3.5 17 326 9144 170 6 -1.0 5.9 | 178 1 -0.0 1.1 18 300 9750 100 6 -5.9 1.0 | 52 6 -4.9 -3.8 19 263 10668 80 8 -7.9 -1.4 | 48 9 -6.9 -6.2 20 250 11020 100 9 -8.9 1.6 | 67 9 -7.9 -3.3 21 210 12192 130 10 -7.7 6.4 | 103 7 -6.7 1.6 22 200 12500 130 13 -10.0 8.4 | 111 10 -9.0 3.5 23 165 13716 110 10 -9.4 3.4 | 80 9 -8.4 -1.4 24 150 14310 90 16 -16.0 0.0 | 72 16 -15.0 -4.8 25 128 15240 90 15 -15.0 0.0 | 71 15 -14.0 -4.8 26 104 16459 90 24 -24.0 0.0 | 78 23 -23.0 -4.8 27 100 16660 110 28 -26.3 9.6 | 101 26 -25.3 4.7 28 89 17313 120 29 -25.1 14.5 | 112 26 -24.1 9.7 29 75 18288 120 29 -25.1 14.5 | 112 26 -24.1 9.7 30 70 18660 100 12 -11.8 2.1 | 76 11 -10.8 -2.7 31 57 19812 170 10 -1.7 9.8 | 172 5 -0.7 5.0 32 50 20630 335 7 3.0 -6.3 | 340 12 4.0 -11.2 33 45 21336 245 2 1.8 0.8 | 325 5 2.8 -4.0 34 35 22860 105 8 -7.7 2.1 | 68 7 -6.7 -2.8 35 30 23790 80 16 -15.8 -2.8 | 63 17 -14.7 -7.6 36 26 24384 70 24 -22.6 -8.2 | 59 25 -21.5 -13.0 37 24 24689 75 23 -22.2 -6.0 | 63 24 -21.2 -10.8 Wind Parameters Mean winds (0-6000m): 138.2 at 6.6 knts Storm direction: 168.2 at 4.9 knts Shear (0-3000m) pos: 0.9 neg: 1.8 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): -163.6 deg Storm rel helicity (0-3000m) pos: 0.8 neg: -11.0 tot: -10.2 m^2/s^2 ave: -3.4 10^-3 m/s^2 rel: -0.53 Storm rel vorticity (0-3000m) horiz: 3.1 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 55.20 Bulk Shear: 11.63 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 ------------------------------------------------------------------------------- 500 248 5 299 6| 4.7 0.0 4.7| 0.0 -5.8 -5.8 -11.5 -0.73| 5.3 -3.9 1000 236 5 289 6| 2.4 2.5 4.8| 0.0 -8.0 -8.0 -8.0 -0.57| 5.2 -3.0 1500 213 6 271 4| 1.6 3.0 4.5| 0.0 -10.1 -10.1 -6.8 -0.66| 4.8 -3.2 2000 196 6 248 3| 1.2 2.5 3.7| 0.0 -10.5 -10.5 -5.2 -0.65| 3.9 -2.5 2500 187 7 224 3| 0.9 2.2 3.2| 0.0 -10.8 -10.8 -4.3 -0.62| 3.3 -2.1 3000 180 7 203 3| 0.9 1.8 2.7| 0.8 -11.0 -10.2 -3.4 -0.53| 3.1 -1.7 4000 173 7 184 2| 0.6 1.7 2.4| 2.0 -13.3 -11.3 -2.8 -0.38| 4.0 -1.5 5000 156 7 130 2| 0.6 1.6 2.2| 2.9 -29.1 -26.2 -5.2 -0.42| 4.2 -1.7 6000 138 7 91 3| 0.8 1.2 1.9| 3.0 -34.7 -31.7 -5.3 -0.41| 4.1 -1.7 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250422.00.gif