UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101112.upa.cvt Date: 1200Z 11 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 11 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 1008 19 27.4 24.0 82 3.4 24.9 165 3 299.9 303.3 297.8 355.4 18.96 1 1000 72 27.2 23.7 81 3.5 24.6 165 7 300.4 303.8 297.8 355.5 18.76 2 925 760 22.6 19.7 84 2.9 20.5 125 5 302.4 305.3 296.4 349.1 15.81 3 895 1047 20.8 19.4 92 1.4 19.8 90 5 303.4 306.4 296.8 351.1 16.04 4 850 1493 19.0 15.6 81 3.4 16.7 35 5 306.0 308.5 295.7 345.7 13.23 5 751 2549 12.8 11.3 91 1.5 11.9 67 4 310.4 312.5 295.5 344.8 11.28 6 740 2674 13.2 10.2 82 3.0 11.3 71 4 312.1 314.1 295.5 344.8 10.63 7 700 3141 10.4 8.7 89 1.7 9.3 85 3 314.0 315.9 295.6 345.5 10.15 8 679 3394 9.2 7.5 89 1.7 8.1 98 3 315.4 317.3 295.6 345.5 9.63 9 675 3444 9.8 5.0 72 4.8 6.9 100 3 316.6 318.2 294.8 342.2 8.13 10 604 4360 5.0 -2.0 60 7.0 1.3 146 5 321.3 322.4 294.1 339.1 5.48 11 585 4620 2.8 -0.0 82 2.8 1.3 160 5 321.7 323.0 295.0 342.9 6.56 12 522 5538 -1.3 -10.3 50 9.0 -5.3 207 6 327.4 328.1 294.0 338.7 3.35 13 516 5630 -1.9 -6.6 70 4.7 -4.2 212 7 327.8 328.7 295.0 342.9 4.53 14 500 5880 -3.7 -8.5 69 4.8 -6.0 225 7 328.5 329.3 294.8 342.1 4.03 15 458 6569 -8.1 -9.6 89 1.5 -8.8 251 5 331.4 332.2 295.6 345.1 4.04 16 411 7404 -13.5 -18.2 68 4.7 -15.2 282 2 334.8 335.3 295.0 342.7 2.22 17 400 7610 -15.1 -18.4 76 3.3 -16.2 290 1 335.4 335.8 295.1 343.3 2.24 18 384 7916 -16.9 -18.7 86 1.8 -17.5 267 2 336.9 337.4 295.5 345.0 2.28 19 361 8376 -19.9 -26.9 54 7.0 -21.7 231 2 338.9 339.2 295.1 343.3 1.17 20 332 8990 -24.1 -27.6 73 3.5 -24.9 183 4 341.4 341.6 295.7 345.8 1.19 21 322 9212 -25.3 -30.1 64 4.8 -26.3 166 4 342.7 342.9 295.8 346.4 0.97 22 300 9720 -29.7 -33.6 69 3.9 -30.4 125 5 343.5 343.7 295.8 346.4 0.75 23 284 10108 -33.1 -38.1 61 5.0 -33.8 114 9 344.1 344.2 295.7 346.0 0.50 24 265 10590 -37.5 -39.7 80 2.2 -37.8 101 13 344.5 344.6 295.8 346.3 0.46 25 262 10669 -38.1 -39.7 85 1.6 -38.3 99 14 344.8 344.9 295.8 346.6 0.46 26 260 10721 -38.3 -42.6 64 4.3 -38.7 98 14 345.2 345.3 295.9 346.6 0.34 27 252 10936 -39.9 -43.4 69 3.5 -40.2 92 16 346.0 346.0 296.0 347.3 0.33 28 250 10990 -40.1 -49.1 38 9.0 -40.8 90 17 346.4 346.5 296.0 347.2 0.18 29 248 11045 -40.3 -67.3 4 27.0 -41.3 90 17 346.9 347.0 296.0 347.0 0.02 30 239 11297 -42.3 -56.3 20 14.0 -43.0 90 19 347.6 347.6 296.2 348.0 0.08 31 231 11527 -44.1 -62.1 12 18.0 -44.8 90 21 348.3 348.3 296.3 348.5 0.04 32 200 12480 -52.3 -65.3 19 13.0 -52.6 90 27 349.9 350.0 296.7 350.1 0.03 33 187 12910 -56.1 -73.1 10 17.0 -56.3 88 30 350.6 350.6 296.8 350.6 0.01 34 150 14270 -68.1 -75.1 36 7.0 -68.1 80 38 352.8 352.8 297.3 352.8 0.01 35 137 14807 -73.1 -77.8 49 4.7 -73.1 81 32 353.2 353.2 297.3 353.2 0.01 36 123 15431 -77.1 -82.1 45 5.0 -77.1 83 26 357.0 357.0 298.1 357.0 0.00 37 110 16067 -79.5 -84.5 43 5.0 -79.5 85 19 364.1 364.1 299.5 364.1 0.00 38 102 16496 -78.3 -85.3 31 7.0 -78.3 77 32 374.3 374.3 301.3 374.3 0.00 39 100 16610 -75.3 -84.3 23 9.0 -75.3 75 36 382.2 382.2 302.6 382.3 0.00 TRP 110 16067 -79.5 -84.5 43 5.0 -79.5 85 19 364.1 364.1 299.5 364.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5808.00 m Freezing level: 541.98 mb = 5246.78 m = 17213.64 ft Wetbulb zero: 573.00 mb = 4787.31 m = 15706.20 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 77.44 % Est. max temperature: 33.12 C = 91.62 F Sfc-Lift cond lev (LCL): 959.92 mb = 433.00 m = 1420.58 ft T: 24.79 C 700-500 lapse rate: 5.15 C/km ThetaE index: 6.31 C Layer 925.0- 895.0 mb Conv cond level (CCL): 879.53 mb = 1197.68 m = 3929.35 ft Mean mixing ratio: 17.15 g/kg Conv temperature: 31.86 C = 89.35 F Cap Strength: 1.17 C Lifted Index: -1.49 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.47 C Lifted Index @700 mb: -0.75 C Showalter Index: 0.82 C Risk: Thunderstorms probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.30 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 204.20 Risk: None Energy Index: -0.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 709.45 J/kg Max Up Vert Vel: 37.67 m/s Conv Inhibition (B-): 26.23 J/kg Cap Strength: 1.17 C Lift Cond Lev (LCL): 915.81 mb = 846.92 m = 2778.57 ft Lev Free Conv (LFC): 800.81 mb = 2001.59 m = 6566.80 ft Equ Level (EL): 160.81 mb = 13840.84 m = 45409.03 ft B at Equ Level: 707.23 J/kg Wind level data Storm motion: 169 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 1008 19 165 3 -0.8 2.9 | 7 1 -0.1 -0.7 1 1000 72 165 7 -1.8 6.8 | 160 3 -1.1 3.2 2 925 760 125 5 -4.1 2.9 | 78 3 -3.4 -0.7 3 850 1493 35 5 -2.9 -4.1 | 16 8 -2.2 -7.7 4 700 3141 85 3 -3.0 -0.3 | 31 4 -2.3 -3.9 5 500 5880 225 7 4.9 4.9 | 256 6 5.6 1.4 6 400 7610 290 1 0.9 -0.3 | 338 4 1.6 -3.9 7 300 9720 125 5 -4.1 2.9 | 78 3 -3.4 -0.7 8 250 10990 90 17 -17.0 0.0 | 78 17 -16.3 -3.6 9 200 12480 90 27 -27.0 0.0 | 82 27 -26.3 -3.6 10 150 14270 80 38 -37.4 -6.6 | 74 38 -36.7 -10.2 11 110 16067 85 19 -18.9 -1.7 | 74 19 -18.2 -5.2 12 100 16610 75 36 -34.8 -9.3 | 69 36 -34.1 -12.9 Wind Parameters Mean winds (0-6000m): 139.2 at 4.9 knts Storm direction: 169.2 at 3.7 knts Shear (0-3000m) pos: 0.6 neg: 1.2 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 23.5 deg Storm rel helicity (0-3000m) pos: 3.4 neg: -13.6 tot: -10.2 m^2/s^2 ave: -3.4 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 3.7 stream: -0.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1392.87 Bulk Shear: 0.51 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 ------------------------------------------------------------------------------- 500 155 6 135 3| 0.0 3.4 3.4| 0.3 -2.3 -1.9 -3.9 0.27| 8.8 2.4 1000 141 6 106 3| 0.0 2.6 2.6| 0.3 -5.9 -5.5 -5.5 -0.09| 6.6 -0.6 1500 123 5 81 4| 0.0 2.5 2.5| 0.3 -13.6 -13.3 -8.9 -0.30| 6.1 -1.9 2000 103 5 61 5| 0.4 1.9 2.2| 2.1 -13.6 -11.6 -5.8 -0.24| 4.9 -1.2 2500 92 5 52 6| 0.5 1.5 2.0| 3.1 -13.6 -10.6 -4.2 -0.19| 4.2 -0.8 3000 88 5 47 6| 0.6 1.2 1.9| 3.4 -13.6 -10.2 -3.4 -0.17| 3.7 -0.6 4000 92 4 48 5| 0.9 0.9 1.8| 5.9 -13.6 -7.7 -1.9 -0.05| 3.2 -0.1 5000 111 5 61 4| 1.1 0.7 1.8| 8.1 -13.6 -5.5 -1.1 0.11| 3.0 0.3 6000 139 5 92 3| 1.0 0.6 1.6| 13.1 -13.6 -0.6 -0.1 0.21| 3.0 0.6 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251011.12.gif