UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 16 OCT 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 88 SFC 989 181 23.6 23.3 98 0.3 23.4 0 0 297.7 301.0 297.0 351.4 18.51 2 966 389 24.4 23.2 93 1.2 23.5 17 4 300.5 304.0 297.9 355.9 18.85 3 925 772 23.0 20.4 85 2.6 21.2 35 10 302.8 305.9 297.0 351.8 16.53 4 850 1507 19.0 16.0 83 3.0 17.0 55 5 306.0 308.6 295.9 346.8 13.58 5 784 2199 14.8 12.7 87 2.1 13.4 110 7 308.7 310.9 295.4 344.7 11.86 6 715 2977 12.2 5.2 62 7.0 8.0 115 5 314.1 315.6 293.9 338.4 7.78 7 700 3155 11.0 4.0 62 7.0 6.9 120 6 314.7 316.1 293.7 337.6 7.30 8 500 5880 -6.3 -7.6 90 1.3 -6.9 115 11 325.4 326.2 294.3 339.7 4.32 9 494 5974 -6.9 -7.6 95 0.7 -7.2 115 11 325.7 326.6 294.4 340.3 4.38 10 461 6512 -9.3 -11.4 85 2.1 -10.2 105 10 329.3 330.0 294.6 341.1 3.47 11 453 6648 -9.1 -17.1 52 8.0 -12.0 102 10 331.2 331.6 294.0 338.9 2.21 12 452 6665 -9.1 -16.1 57 7.0 -11.8 102 10 331.4 331.9 294.3 339.7 2.41 13 400 7600 -15.9 -21.9 60 6.0 -17.7 80 8 334.3 334.7 294.4 340.2 1.66 14 388 7829 -17.3 -21.7 69 4.4 -18.6 82 8 335.4 335.8 294.7 341.6 1.74 15 385 7887 -17.5 -25.5 50 8.0 -19.7 81 9 335.9 336.2 294.4 340.4 1.25 16 373 8124 -19.1 -24.1 65 5.0 -20.5 77 9 336.8 337.1 294.8 342.1 1.46 17 369 8204 -19.5 -28.5 45 9.0 -21.7 76 9 337.3 337.5 294.6 341.0 0.99 18 364 8306 -20.3 -25.1 65 4.8 -21.6 74 9 337.6 337.9 295.0 342.6 1.37 19 347 8659 -22.3 -29.3 53 7.0 -23.9 68 10 339.5 339.7 295.1 343.2 0.97 20 320 9248 -27.5 -40.5 28 13.0 -29.3 62 12 340.3 340.4 294.7 341.7 0.35 21 313 9407 -28.9 -39.9 34 11.0 -30.4 65 13 340.5 340.6 294.8 342.0 0.38 22 306 9569 -29.9 -36.9 51 7.0 -31.0 67 14 341.3 341.4 295.1 343.3 0.53 23 300 9710 -30.3 -44.3 24 14.0 -31.9 70 15 342.7 342.7 295.2 343.7 0.25 24 291 9926 -31.5 -49.5 15 18.0 -33.2 69 15 344.0 344.0 295.4 344.6 0.14 25 273 10373 -35.3 -47.3 28 12.0 -36.4 67 16 344.8 344.8 295.7 345.6 0.20 26 250 10980 -39.3 -65.3 5 26.0 -40.4 45 21 347.6 347.6 296.1 347.7 0.02 27 246 11090 -39.9 -64.9 5 25.0 -41.0 46 21 348.3 348.4 296.3 348.5 0.03 28 228 11601 -44.5 -56.5 25 12.0 -45.1 50 23 349.0 349.0 296.5 349.3 0.08 29 200 12460 -51.9 -65.9 17 14.0 -52.2 60 21 350.6 350.6 296.8 350.7 0.03 30 178 13205 -58.3 -70.3 20 12.0 -58.5 45 20 352.0 352.0 297.1 352.0 0.02 31 169 13529 -61.1 -70.1 29 9.0 -61.2 39 19 352.6 352.6 297.2 352.7 0.02 32 150 14260 -67.1 -72.0 50 4.9 -67.1 65 10 354.5 354.5 297.6 354.6 0.02 33 131 15065 -72.7 -79.7 34 7.0 -72.8 77 12 358.5 358.5 298.4 358.5 0.01 34 101 16564 -79.7 -86.7 30 7.0 -79.7 135 16 372.7 372.7 301.0 372.7 0.00 35 100 16620 -79.1 -86.1 31 7.0 -79.1 135 16 374.9 374.9 301.4 374.9 0.00 36 77 18097 -82.7 -87.5 43 4.8 -82.7 91 14 396.5 396.5 304.7 396.5 0.00 37 73 18397 -80.3 -88.3 25 8.0 -80.3 95 13 407.7 407.7 306.2 407.7 0.00 38 71 18557 -73.7 -86.7 12 13.0 -73.7 108 12 425.0 425.0 308.3 425.0 0.00 39 70 18640 -74.1 -88.1 10 14.0 -74.2 115 12 425.9 425.9 308.4 425.9 0.00 40 64 19165 -71.9 -88.9 6 17.0 -72.0 99 17 441.7 441.7 310.0 441.8 0.00 41 61 19447 -73.1 -90.1 6 17.0 -73.2 90 19 445.2 445.2 310.4 445.2 0.00 42 58 19743 -71.5 -90.5 4 19.0 -71.6 81 22 455.3 455.3 311.3 455.3 0.00 43 55 20063 -64.3 -90.3 2 26.0 -64.6 80 22 478.7 478.7 313.4 478.7 0.00 44 50 20650 -60.9 -87.9 2 27.0 -61.4 80 21 500.0 500.0 314.9 500.0 0.00 45 49 20775 -60.7 -87.7 2 27.0 -61.2 79 22 503.3 503.3 315.2 503.4 0.00 46 41 21871 -63.9 -88.9 2 25.0 -64.3 87 25 521.7 521.7 316.4 521.7 0.00 47 30 23800 -59.5 -87.5 1 28.0 -60.4 80 24 582.4 582.4 319.8 582.5 0.01 48 20 26360 -55.9 -84.9 1 29.0 -57.9 65 34 665.1 665.1 323.3 665.2 0.01 49 19 26686 -55.9 -84.9 1 29.0 -58.0 65 33 674.9 674.9 323.6 675.0 0.02 TRP 101 16564 -79.7 -86.7 30 7.0 -79.7 135 16 372.7 372.7 301.0 372.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 572.83 mb = 4887.66 m = 16035.43 ft Wetbulb zero: 600.14 mb = 4401.56 m = 14440.64 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 79.08 % Est. max temperature: 32.36 C = 90.25 F Sfc-Lift cond lev (LCL): 985.12 mb = 215.77 m = 707.91 ft T: 23.73 C 700-500 lapse rate: 6.35 C/km ThetaE index: 18.33 C Layer 925.0- 500.0 mb Conv cond level (CCL): 869.04 mb = 1314.41 m = 4312.32 ft Mean mixing ratio: 17.21 g/kg Conv temperature: 31.09 C = 87.97 F Cap Strength: 1.49 C Lifted Index: -4.27 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.34 C Lifted Index @700 mb: -0.33 C Showalter Index: -2.16 C Risk: Severe thunderstorms possible Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 22.30 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 213.00 Risk: None Energy Index: -1.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1046.15 J/kg Max Up Vert Vel: 45.74 m/s Conv Inhibition (B-): 30.04 J/kg Cap Strength: 1.49 C Lift Cond Lev (LCL): 912.57 mb = 889.58 m = 2918.53 ft Lev Free Conv (LFC): 817.57 mb = 1839.79 m = 6035.97 ft Equ Level (EL): 717.57 mb = 2946.72 m = 9667.59 ft B at Equ Level: 31.79 J/kg Max Parcel Lev (MPL): 87.57 mb = 17369.78 m = 56986.77 ft Wind level data Storm motion: 132 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 ---------------------------------------------------------- 0 989 181 0 0 -0.0 -0.0 | 312 6 4.7 -4.3 1 942 610 35 9 -5.2 -7.4 | 2 12 -0.4 -11.7 2 925 772 35 10 -5.7 -8.2 | 5 13 -1.0 -12.5 3 910 914 40 9 -5.8 -6.9 | 5 11 -1.0 -11.2 4 850 1507 55 5 -4.1 -2.9 | 355 7 0.6 -7.2 5 848 1524 55 5 -4.1 -2.9 | 355 7 0.6 -7.2 6 790 2134 110 7 -6.6 2.4 | 43 3 -1.8 -1.9 7 709 3048 115 5 -4.5 2.1 | 355 2 0.2 -2.2 8 700 3155 120 6 -5.2 3.0 | 19 1 -0.5 -1.3 9 658 3658 120 9 -7.8 4.5 | 93 3 -3.1 0.2 10 588 4572 115 12 -10.9 5.1 | 97 6 -6.1 0.7 11 566 4877 115 12 -10.9 5.1 | 97 6 -6.1 0.7 12 525 5486 110 12 -11.3 4.1 | 88 7 -6.5 -0.2 13 500 5880 115 11 -10.0 4.6 | 93 5 -5.2 0.3 14 486 6096 115 11 -10.0 4.6 | 93 5 -5.2 0.3 15 400 7600 80 8 -7.9 -1.4 | 29 7 -3.1 -5.7 16 399 7620 85 8 -8.0 -0.7 | 33 6 -3.2 -5.0 17 324 9144 60 11 -9.5 -5.5 | 26 11 -4.8 -9.8 18 300 9710 70 15 -14.1 -5.1 | 45 13 -9.4 -9.5 19 261 10668 65 17 -15.4 -7.2 | 43 16 -10.7 -11.5 20 250 10980 45 21 -14.8 -14.8 | 28 22 -10.1 -19.2 21 208 12192 55 25 -20.5 -14.3 | 40 24 -15.7 -18.7 22 200 12460 60 21 -18.2 -10.5 | 42 20 -13.4 -14.8 23 164 13716 35 19 -10.9 -15.6 | 17 21 -6.2 -19.9 24 150 14260 65 10 -9.1 -4.2 | 27 10 -4.3 -8.6 25 127 15240 80 12 -11.8 -2.1 | 48 10 -7.1 -6.4 26 103 16459 120 14 -12.1 7.0 | 110 8 -7.4 2.7 27 101 16564 135 16 -11.3 11.3 | 137 10 -6.6 7.0 28 100 16620 135 16 -11.3 11.3 | 137 10 -6.6 7.0 29 74 18288 85 14 -13.9 -1.2 | 59 11 -9.2 -5.6 30 70 18640 115 12 -10.9 5.1 | 97 6 -6.1 0.7 31 58 19812 80 22 -21.7 -3.8 | 64 19 -16.9 -8.2 32 50 20650 80 21 -20.7 -3.6 | 63 18 -15.9 -8.0 33 45 21336 75 25 -24.1 -6.5 | 61 22 -19.4 -10.8 34 35 22860 110 26 -24.4 8.9 | 103 20 -19.7 4.6 35 30 23800 80 24 -23.6 -4.2 | 66 21 -18.9 -8.5 36 27 24384 80 26 -25.6 -4.5 | 67 23 -20.9 -8.8 37 21 25908 95 26 -25.9 2.3 | 84 21 -21.2 -2.1 38 20 26360 65 34 -30.8 -14.4 | 54 32 -26.1 -18.7 39 18 26822 65 31 -28.1 -13.1 | 53 29 -23.4 -17.4 Wind Parameters Mean winds (0-6000m): 102.4 at 8.6 knts Storm direction: 132.4 at 6.4 knts Shear (0-3000m) pos: 1.1 neg: 0.0 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 72.8 deg Storm rel helicity (0-3000m) pos: 26.9 neg: -4.2 tot: 22.7 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 1.7 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 119.67 Bulk Shear: 8.74 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 35 5 348 9| 9.7 0.0 9.7| 20.1 0.0 20.1 40.1 0.82| 10.2 8.4 1000 38 7 357 10| 3.7 0.0 3.7| 21.5 -1.0 20.5 20.5 0.60| 7.0 4.2 1500 42 7 358 9| 1.9 0.0 1.9| 23.1 -3.2 19.9 13.3 0.47| 5.9 2.8 2000 54 7 4 8| 1.8 0.0 1.8| 26.6 -3.2 23.4 11.7 0.50| 5.7 2.8 2500 65 6 9 7| 1.2 0.0 1.2| 26.6 -3.8 22.8 9.1 0.43| 4.8 2.0 3000 73 6 12 6| 1.1 0.0 1.1| 26.9 -4.2 22.7 7.6 0.40| 4.3 1.7 4000 90 7 27 5| 0.8 0.6 1.4| 28.2 -4.2 24.0 6.0 0.42| 3.8 1.6 5000 99 8 45 4| 0.6 0.6 1.2| 28.2 -5.0 23.2 4.6 0.38| 3.2 1.2 6000 102 9 56 4| 0.5 0.5 0.9| 29.1 -6.4 22.7 3.8 0.34| 2.9 1.0 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251016.00.gif