UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 9 OCT 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1010 19 26.2 24.8 92 1.4 25.2 15 1 298.5 302.1 298.0 356.5 19.88 1 1000 89 24.6 23.9 96 0.7 24.1 25 7 297.8 301.2 297.3 352.9 19.00 2 976 302 23.0 22.3 96 0.7 22.5 55 7 298.2 301.4 296.5 349.5 17.63 3 968 375 24.6 20.3 77 4.3 21.5 65 7 300.5 303.4 295.8 346.5 15.68 4 935 680 23.6 16.6 65 7.0 18.8 107 7 302.5 304.9 294.4 340.4 12.81 5 925 774 23.2 17.2 69 6.0 19.1 120 7 303.0 305.5 295.0 342.9 13.47 6 850 1507 18.2 15.0 82 3.2 16.0 115 3 305.2 307.6 295.1 343.2 12.72 7 811 1909 15.6 14.4 93 1.2 14.8 100 3 306.6 309.0 295.6 345.2 12.83 8 757 2492 12.2 10.6 90 1.6 11.2 79 4 309.0 311.0 294.7 341.4 10.67 9 742 2661 12.6 7.6 72 5.0 9.5 73 4 311.2 312.9 294.0 338.5 8.86 10 711 3019 10.6 4.6 66 6.0 7.1 60 5 312.8 314.3 293.3 336.2 7.50 11 700 3149 10.0 6.5 79 3.5 7.9 55 5 313.6 315.2 294.5 340.6 8.71 12 676 3439 9.0 -4.0 40 13.0 2.5 58 6 315.6 316.4 291.5 329.1 4.21 13 646 3813 6.2 2.3 76 3.9 4.0 62 8 316.5 317.9 294.0 338.7 7.01 14 613 4241 3.8 1.2 83 2.6 2.4 67 10 318.6 319.9 294.4 340.3 6.83 15 567 4871 0.2 -2.0 85 2.2 -1.0 74 13 321.5 322.7 294.4 340.4 5.84 16 521 5545 -3.1 -14.1 42 11.0 -7.5 81 16 325.4 325.9 292.7 333.8 2.47 17 513 5668 -4.1 -9.1 68 5.0 -6.4 83 16 325.6 326.4 293.9 338.2 3.75 18 507 5761 -4.7 -10.7 63 6.0 -7.3 84 17 326.0 326.7 293.6 337.2 3.34 19 505 5792 -4.5 -14.5 46 10.0 -8.4 84 17 326.6 327.1 293.0 335.0 2.46 20 500 5870 -5.1 -9.7 70 4.6 -7.1 85 17 326.8 327.6 294.1 339.1 3.66 21 485 6108 -7.1 -9.9 80 2.8 -8.3 87 17 327.2 328.0 294.3 339.7 3.72 22 455 6604 -9.9 -17.9 52 8.0 -12.7 91 17 329.7 330.2 293.6 336.9 2.06 23 450 6689 -10.3 -16.3 61 6.0 -12.5 92 17 330.3 330.8 294.0 338.5 2.38 24 448 6723 -10.1 -21.1 40 11.0 -13.6 92 17 331.0 331.3 293.4 336.6 1.59 25 424 7146 -12.5 -18.5 61 6.0 -14.6 96 17 333.1 333.6 294.4 340.5 2.10 26 407 7458 -13.5 -21.5 51 8.0 -16.0 99 17 335.8 336.1 294.7 341.8 1.69 27 400 7590 -14.7 -22.7 51 8.0 -17.1 100 17 335.9 336.2 294.7 341.4 1.54 28 368 8218 -19.1 -23.9 66 4.8 -20.4 100 17 338.1 338.4 295.2 343.6 1.51 29 365 8279 -19.5 -28.5 45 9.0 -21.7 100 17 338.4 338.6 294.8 342.1 1.00 30 354 8507 -21.1 -25.6 67 4.5 -22.3 100 17 339.2 339.5 295.3 344.2 1.34 31 328 9067 -25.3 -28.8 73 3.5 -26.1 100 17 340.9 341.1 295.5 345.0 1.08 32 316 9337 -27.3 -37.3 38 10.0 -28.9 100 17 341.8 341.9 295.2 343.7 0.49 33 303 9639 -29.9 -33.1 74 3.2 -30.4 100 17 342.3 342.4 295.6 345.2 0.78 34 300 9710 -30.3 -34.7 65 4.4 -31.0 100 17 342.7 342.8 295.6 345.3 0.67 35 260 10711 -37.9 -46.9 38 9.0 -38.7 88 14 345.8 345.9 295.9 346.7 0.22 36 250 10980 -40.3 -49.3 38 9.0 -40.9 85 13 346.2 346.2 295.9 346.9 0.17 37 200 12450 -53.1 -59.1 48 6.0 -53.3 60 23 348.7 348.7 296.4 349.0 0.07 38 183 13016 -58.1 -62.0 61 3.9 -58.2 63 27 349.5 349.5 296.5 349.7 0.05 39 178 13190 -59.7 -61.0 85 1.3 -59.7 64 28 349.7 349.7 296.6 349.9 0.06 40 177 13226 -60.1 -62.2 76 2.1 -60.2 64 29 349.6 349.6 296.6 349.8 0.05 41 174 13332 -60.9 -65.6 54 4.7 -61.0 65 29 350.0 350.0 296.7 350.1 0.03 42 171 13440 -61.9 -64.2 74 2.3 -61.9 65 30 350.1 350.1 296.7 350.2 0.04 43 168 13549 -62.5 -66.8 56 4.3 -62.6 66 31 350.9 350.9 296.8 351.0 0.03 44 150 14240 -67.9 -71.3 62 3.4 -67.9 70 36 353.1 353.1 297.3 353.2 0.02 45 138 14735 -72.1 -77.1 47 5.0 -72.1 80 35 354.2 354.2 297.5 354.3 0.01 46 112 15933 -81.5 -84.7 58 3.2 -81.5 105 33 358.5 358.5 298.4 358.5 0.00 47 100 16580 -74.3 -84.3 20 10.0 -74.3 90 35 384.2 384.2 302.9 384.2 0.00 TRP 112 15933 -81.5 -84.7 58 3.2 -81.5 105 33 358.5 358.5 298.4 358.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 564.21 mb = 4911.59 m = 16113.93 ft Wetbulb zero: 580.45 mb = 4681.41 m = 15358.76 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 75.12 % Est. max temperature: 32.63 C = 90.74 F Sfc-Lift cond lev (LCL): 990.14 mb = 176.05 m = 577.58 ft T: 23.95 C 700-500 lapse rate: 5.55 C/km ThetaE index: 16.07 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 849.70 mb = 1510.07 m = 4954.23 ft Mean mixing ratio: 15.63 g/kg Conv temperature: 32.94 C = 91.30 F Cap Strength: 2.83 C Lifted Index: -0.90 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.00 C Lifted Index @700 mb: 0.37 C Showalter Index: 0.39 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 20.10 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 203.00 Risk: None Energy Index: -0.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 145.12 J/kg Max Up Vert Vel: 17.04 m/s Conv Inhibition (B-): 83.35 J/kg Cap Strength: 2.83 C Lift Cond Lev (LCL): 908.04 mb = 934.42 m = 3065.65 ft Lev Free Conv (LFC): 773.04 mb = 2314.61 m = 7593.79 ft Equ Level (EL): 743.04 mb = 2648.78 m = 8690.13 ft B at Equ Level: 26.91 J/kg Max Parcel Lev (MPL): 193.04 mb = 12675.84 m = 41586.91 ft Wind level data Storm motion: 111 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 1010 19 15 1 -0.3 -1.0 | 300 6 5.4 -3.1 1 1000 89 25 7 -3.0 -6.3 | 343 9 2.7 -8.5 2 925 774 120 7 -6.1 3.5 | 162 1 -0.4 1.4 3 850 1507 115 3 -2.7 1.3 | 286 3 2.9 -0.9 4 700 3149 55 5 -4.1 -2.9 | 343 5 1.5 -5.0 5 500 5870 85 17 -16.9 -1.5 | 72 12 -11.3 -3.6 6 400 7590 100 17 -16.7 3.0 | 94 11 -11.1 0.8 7 300 9710 100 17 -16.7 3.0 | 94 11 -11.1 0.8 8 250 10980 85 13 -13.0 -1.1 | 66 8 -7.3 -3.3 9 200 12450 60 23 -19.9 -11.5 | 46 20 -14.3 -13.6 10 150 14240 70 36 -33.8 -12.3 | 63 32 -28.2 -14.4 11 112 15933 105 33 -31.9 8.5 | 104 27 -26.2 6.4 12 100 16580 90 35 -35.0 0.0 | 86 29 -29.4 -2.1 Wind Parameters Mean winds (0-6000m): 80.7 at 8.0 knts Storm direction: 110.7 at 6.0 knts Shear (0-3000m) pos: 1.0 neg: 0.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 42.5 deg Storm rel helicity (0-3000m) pos: 20.6 neg: 0.0 tot: 20.6 m^2/s^2 ave: 6.9 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 69.16 Bulk Shear: 2.10 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 51 6 355 6| 6.9 0.0 6.9| 16.2 0.0 16.2 32.4 0.75| 13.4 10.1 1000 83 7 17 3| 3.1 0.0 3.1| 17.7 0.0 17.7 17.7 0.77| 9.6 7.4 1500 94 6 6 2| 2.0 0.9 3.0| 18.2 0.0 18.2 12.2 0.74| 7.3 5.4 2000 96 5 344 2| 1.5 0.7 2.2| 19.1 0.0 19.1 9.5 0.75| 5.8 4.4 2500 94 5 339 2| 1.2 0.8 2.0| 20.0 0.0 20.0 8.0 0.76| 4.9 3.7 3000 88 5 342 2| 1.0 0.9 1.9| 20.6 0.0 20.6 6.9 0.73| 4.4 3.2 4000 78 5 352 3| 1.0 0.8 1.8| 26.4 0.0 26.4 6.6 0.76| 3.8 2.9 5000 77 6 10 4| 1.3 0.6 1.9| 34.6 0.0 34.6 6.9 0.77| 3.6 2.7 6000 81 8 34 4| 1.5 0.5 2.0| 45.4 0.0 45.4 7.6 0.77| 3.4 2.6 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251009.00.gif