UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 8 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 99 SFC 990 181 25.0 23.6 92 1.4 24.0 30 3 299.0 302.4 297.5 354.0 18.84 2 977 299 24.2 23.9 98 0.3 24.0 9 4 299.3 302.9 298.0 356.2 19.46 3 925 784 22.4 20.9 91 1.5 21.3 340 6 302.2 305.4 297.2 352.6 17.06 4 850 1519 19.6 15.4 77 4.2 16.7 100 5 306.7 309.1 295.7 345.9 13.06 5 843 1590 19.2 14.8 76 4.4 16.2 100 5 307.0 309.4 295.6 345.1 12.66 6 723 2895 11.6 6.9 73 4.7 8.8 112 3 312.4 314.1 294.1 339.3 8.67 7 700 3165 9.8 7.4 85 2.4 8.3 95 1 313.3 315.1 294.8 342.1 9.27 8 662 3627 7.0 5.9 93 1.1 6.3 145 1 315.2 316.9 295.0 342.9 8.84 9 599 4444 3.4 -2.6 65 6.0 0.3 133 9 320.2 321.2 293.6 337.3 5.28 10 500 5890 -4.7 -8.3 76 3.6 -6.4 80 7 327.3 328.1 294.6 341.0 4.09 11 474 6308 -7.5 -12.2 69 4.7 -9.5 77 7 328.9 329.5 294.2 339.7 3.17 12 461 6524 -9.1 -9.5 97 0.4 -9.3 79 8 329.5 330.3 295.1 343.2 4.04 13 441 6866 -10.1 -12.9 80 2.8 -11.2 83 8 332.5 333.1 295.1 343.5 3.22 14 420 7240 -12.9 -18.9 61 6.0 -14.9 86 9 333.5 334.0 294.5 340.8 2.05 15 400 7610 -15.7 -17.8 84 2.1 -16.4 90 9 334.6 335.1 295.0 342.9 2.36 16 390 7801 -17.3 -17.5 98 0.2 -17.4 92 10 334.9 335.4 295.2 343.7 2.48 17 378 8036 -18.3 -22.2 71 3.9 -19.5 87 11 336.6 337.0 295.0 342.7 1.71 18 369 8216 -19.9 -21.0 91 1.1 -20.3 83 12 336.8 337.2 295.2 343.8 1.94 19 363 8339 -20.3 -26.3 59 6.0 -21.8 81 13 337.9 338.1 294.9 342.4 1.23 20 347 8673 -22.5 -28.5 58 6.0 -23.9 75 14 339.3 339.5 295.1 343.2 1.05 21 337 8888 -24.1 -26.0 84 1.9 -24.6 70 16 339.9 340.2 295.5 344.9 1.36 22 334 8953 -24.5 -29.5 63 5.0 -25.6 69 16 340.2 340.5 295.3 344.0 0.99 23 331 9019 -25.1 -29.6 66 4.5 -26.1 68 16 340.3 340.5 295.3 344.0 0.99 24 329 9063 -25.3 -26.4 90 1.1 -25.6 67 17 340.6 340.9 295.7 345.6 1.35 25 307 9564 -28.5 -33.5 62 5.0 -29.4 76 20 342.9 343.1 295.7 345.8 0.74 26 300 9730 -29.9 -36.9 51 7.0 -31.0 80 21 343.2 343.4 295.6 345.3 0.54 27 285 10093 -32.9 -45.9 26 13.0 -34.3 76 22 344.0 344.1 295.5 344.9 0.22 28 261 10705 -37.9 -44.9 48 7.0 -38.5 70 24 345.4 345.5 295.8 346.5 0.27 29 252 10946 -39.7 -50.7 30 11.0 -40.5 66 23 346.3 346.3 295.9 346.9 0.14 30 250 11000 -40.1 -50.1 34 10.0 -40.8 65 23 346.4 346.5 296.0 347.1 0.16 31 247 11082 -40.9 -47.9 47 7.0 -41.4 65 23 346.5 346.5 296.0 347.3 0.20 32 246 11110 -41.1 -52.1 30 11.0 -41.8 65 23 346.6 346.6 296.0 347.1 0.13 33 235 11418 -43.7 -47.0 70 3.3 -43.9 63 22 347.2 347.2 296.2 348.2 0.24 34 224 11738 -46.1 -49.5 68 3.4 -46.3 62 22 348.3 348.3 296.4 349.1 0.19 35 204 12352 -51.5 -54.0 74 2.5 -51.6 71 19 349.2 349.3 296.5 349.7 0.12 36 200 12480 -52.5 -56.4 63 3.9 -52.7 80 18 349.6 349.7 296.6 350.0 0.09 37 162 13804 -64.9 -68.7 59 3.8 -65.0 99 25 350.5 350.5 296.8 350.6 0.02 38 150 14270 -68.1 -73.1 49 5.0 -68.1 90 28 352.8 352.8 297.3 352.8 0.01 39 139 14723 -71.9 -76.1 53 4.2 -71.9 99 36 353.9 353.9 297.5 353.9 0.01 40 134 14939 -72.5 -78.5 40 6.0 -72.5 103 39 356.5 356.5 298.0 356.6 0.01 41 118 15673 -79.5 -81.7 70 2.2 -79.5 113 43 356.8 356.8 298.1 356.8 0.00 42 102 16490 -84.1 -88.3 47 4.2 -84.1 110 35 363.2 363.2 299.3 363.2 0.00 43 100 16600 -83.1 -89.1 34 6.0 -83.1 105 33 367.2 367.2 300.1 367.2 0.00 44 95 16891 -74.3 -83.3 24 9.0 -74.3 103 32 389.8 389.9 303.8 389.9 0.00 45 77 18099 -77.3 -86.3 22 9.0 -77.3 96 28 407.7 407.7 306.2 407.8 0.00 46 75 18251 -74.3 -85.3 17 11.0 -74.3 95 27 417.1 417.1 307.4 417.1 0.00 47 71 18568 -75.3 -88.3 11 13.0 -75.3 99 24 421.6 421.6 307.9 421.6 0.00 48 70 18650 -73.3 -87.3 10 14.0 -73.3 100 23 427.6 427.6 308.6 427.6 0.00 49 68 18820 -71.9 -87.9 7 16.0 -72.0 99 24 434.1 434.1 309.3 434.2 0.00 50 63 19270 -72.7 -88.7 7 16.0 -72.8 97 26 442.0 442.0 310.1 442.0 0.00 51 50 20650 -66.1 -90.1 2 24.0 -66.4 110 27 487.7 487.7 314.1 487.7 0.00 52 49 20773 -65.9 -89.9 2 24.0 -66.2 109 27 491.0 491.0 314.3 491.0 0.00 TRP 102 16490 -84.1 -88.3 47 4.2 -84.1 110 35 363.2 363.2 299.3 363.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 557.44 mb = 5051.19 m = 16571.94 ft Wetbulb zero: 595.20 mb = 4495.32 m = 14748.24 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 78.54 % Est. max temperature: 33.08 C = 91.55 F Sfc-Lift cond lev (LCL): 970.45 mb = 358.53 m = 1176.25 ft T: 23.98 C 700-500 lapse rate: 5.32 C/km ThetaE index: 17.00 C Layer 925.0- 700.0 mb Conv cond level (CCL): 871.97 mb = 1297.16 m = 4255.71 ft Mean mixing ratio: 17.58 g/kg Conv temperature: 31.30 C = 88.34 F Cap Strength: 1.06 C Lifted Index: -2.90 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.32 C Lifted Index @700 mb: -1.70 C Showalter Index: -0.27 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 20.10 C K Index: 37.30 Risk: > 80 % chance of thunderstorms Sweat Index: 201.80 Risk: None Energy Index: -1.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1263.68 J/kg Max Up Vert Vel: 50.27 m/s Conv Inhibition (B-): 36.20 J/kg Cap Strength: 1.08 C Lift Cond Lev (LCL): 921.85 mb = 813.63 m = 2669.35 ft Lev Free Conv (LFC): 776.85 mb = 2284.53 m = 7495.10 ft Equ Level (EL): 136.85 mb = 14814.91 m = 48604.75 ft B at Equ Level: 1242.80 J/kg Max Parcel Lev (MPL): 86.85 mb = 17406.38 m = 57106.84 ft Wind level data Storm motion: 131 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 ---------------------------------------------------------- 0 990 181 30 3 -1.5 -2.6 | 344 5 1.5 -5.2 1 943 610 315 7 4.9 -4.9 | 314 11 7.9 -7.5 2 925 784 340 6 2.1 -5.6 | 329 10 5.0 -8.2 3 911 914 360 5 -0.0 -5.0 | 339 8 3.0 -7.6 4 850 1519 100 5 -4.9 0.9 | 49 3 -2.0 -1.7 5 849 1524 100 5 -4.9 0.9 | 49 3 -2.0 -1.7 6 791 2134 100 4 -3.9 0.7 | 27 2 -1.0 -1.9 7 710 3048 115 3 -2.7 1.3 | 350 1 0.2 -1.3 8 700 3165 95 1 -1.0 0.1 | 322 3 2.0 -2.5 9 659 3658 150 1 -0.5 0.9 | 305 3 2.5 -1.7 10 588 4572 130 10 -7.7 6.4 | 129 6 -4.7 3.8 11 567 4877 125 8 -6.6 4.6 | 119 4 -3.6 2.0 12 526 5486 105 8 -7.7 2.1 | 84 5 -4.8 -0.5 13 500 5890 80 7 -6.9 -1.2 | 46 5 -3.9 -3.8 14 487 6096 75 7 -6.8 -1.8 | 41 6 -3.8 -4.4 15 400 7610 90 9 -9.0 0.0 | 67 7 -6.0 -2.6 16 399 7620 95 9 -9.0 0.8 | 73 6 -6.0 -1.8 17 325 9144 65 17 -15.4 -7.2 | 52 16 -12.4 -9.8 18 300 9730 80 21 -20.7 -3.6 | 71 19 -17.7 -6.2 19 262 10668 70 24 -22.6 -8.2 | 61 22 -19.6 -10.8 20 250 11000 65 23 -20.8 -9.7 | 55 22 -17.9 -12.3 21 209 12192 60 21 -18.2 -10.5 | 49 20 -15.2 -13.1 22 200 12480 80 18 -17.7 -3.1 | 69 16 -14.8 -5.7 23 164 13716 100 25 -24.6 4.3 | 95 22 -21.7 1.7 24 150 14270 90 28 -28.0 0.0 | 84 25 -25.0 -2.6 25 127 15240 110 45 -42.3 15.4 | 108 41 -39.3 12.8 26 103 16459 120 39 -33.8 19.5 | 119 35 -30.8 16.9 27 102 16490 110 35 -32.9 12.0 | 107 31 -29.9 9.4 28 100 16600 105 33 -31.9 8.5 | 102 30 -28.9 5.9 29 75 18288 95 27 -26.9 2.4 | 89 24 -23.9 -0.2 30 70 18650 100 23 -22.7 4.0 | 94 20 -19.7 1.4 31 58 19812 95 29 -28.9 2.5 | 90 26 -25.9 -0.1 32 50 20650 110 27 -25.4 9.2 | 106 23 -22.4 6.6 33 46 21031 105 27 -26.1 7.0 | 101 24 -23.1 4.4 Wind Parameters Mean winds (0-6000m): 101.2 at 5.3 knts Storm direction: 131.2 at 3.9 knts Shear (0-3000m) pos: 1.6 neg: 1.4 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): -22.7 deg Storm rel helicity (0-3000m) pos: 19.5 neg: -11.4 tot: 8.2 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 0.5 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 106.00 Bulk Shear: 11.92 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 ------------------------------------------------------------------------------- 500 332 5 323 9| 0.0 6.1 6.1| 1.7 -9.8 -8.2 -16.3 -0.47| 7.9 -3.7 1000 347 5 332 9| 3.8 3.1 6.9| 15.7 -9.8 5.9 5.9 0.18| 7.9 1.4 1500 11 5 345 8| 3.6 2.0 5.6| 19.5 -9.9 9.6 6.4 0.29| 7.0 2.0 2000 38 5 1 7| 2.5 1.5 4.1| 19.5 -10.3 9.2 4.6 0.24| 5.5 1.3 2500 54 5 9 5| 2.0 1.2 3.2| 19.5 -10.6 9.0 3.6 0.21| 4.5 1.0 3000 65 4 13 5| 1.6 1.4 3.1| 19.5 -11.4 8.2 2.7 0.12| 4.2 0.5 4000 81 4 15 3| 1.3 0.5 1.8| 19.5 -13.3 6.2 1.6 -0.04| 3.9 -0.2 5000 105 5 50 2| 1.0 0.2 1.2| 19.5 -17.6 1.9 0.4 -0.13| 3.9 -0.5 6000 101 5 54 3| 0.9 0.6 1.4| 19.7 -24.4 -4.7 -0.8 -0.23| 3.7 -0.9 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251008.00.gif