UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 29 DEC 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 1012 19 23.6 22.2 92 1.4 22.6 45 1 295.7 298.8 295.3 344.3 16.88 1 1000 108 23.2 21.4 90 1.8 21.9 25 3 296.4 299.3 295.1 343.2 16.25 2 971 365 21.4 21.0 98 0.4 21.1 8 5 297.0 300.0 295.3 344.3 16.33 3 928 758 19.4 17.6 89 1.8 18.2 342 7 298.9 301.4 294.1 339.0 13.77 4 925 786 19.6 17.2 86 2.4 17.9 340 7 299.4 301.8 294.0 338.6 13.47 5 911 918 20.2 14.2 68 6.0 16.3 339 8 301.3 303.3 292.9 334.4 11.24 6 888 1139 19.6 8.6 49 11.0 12.9 338 9 302.9 304.3 290.7 326.5 7.92 7 859 1424 17.4 12.7 74 4.7 14.4 336 11 303.5 305.5 293.2 335.6 10.81 8 850 1514 17.0 11.0 68 6.0 13.2 335 11 304.0 305.8 292.5 333.0 9.74 9 837 1645 16.6 7.6 55 9.0 11.2 341 11 304.9 306.3 291.3 328.5 7.85 10 778 2266 14.0 10.2 78 3.8 11.6 9 11 308.5 310.4 294.1 339.2 10.10 11 749 2586 12.8 2.8 51 10.0 7.2 24 11 310.6 311.8 291.7 330.0 6.26 12 740 2687 13.6 -13.4 14 27.0 2.4 29 11 312.5 312.9 288.3 318.6 1.84 13 729 2814 13.8 -30.2 3 44.0 0.4 34 11 314.1 314.2 287.3 315.6 0.43 14 711 3024 12.6 44 11 315.0 15 700 3155 11.6 -34.4 2 46.0 -1.1 50 11 315.3 315.4 287.6 316.4 0.30 16 632 4001 7.2 -25.8 7 33.0 -3.3 68 10 319.7 319.8 289.5 322.3 0.74 17 607 4331 4.4 -9.6 35 14.0 -1.9 75 9 320.1 320.7 291.7 330.2 3.04 18 577 4741 2.2 -20.8 16 23.0 -5.8 84 9 322.2 322.5 290.7 326.6 1.26 19 567 4882 1.6 -14.4 29 16.0 -4.8 88 8 323.2 323.6 291.9 330.6 2.21 20 545 5199 -1.5 -4.1 82 2.6 -2.8 95 8 323.1 324.2 294.3 340.1 5.19 21 530 5421 -3.1 -7.0 74 3.9 -5.0 100 8 323.8 324.7 293.8 337.9 4.27 22 528 5451 -3.3 -11.3 54 8.0 -6.7 100 8 323.9 324.5 292.9 334.2 3.05 23 525 5496 -3.7 -5.6 87 1.9 -4.6 101 8 324.0 324.9 294.3 339.8 4.80 24 515 5647 -3.9 -16.9 36 13.0 -8.7 105 7 325.5 325.9 292.3 332.3 1.98 25 511 5709 -4.3 -15.3 42 11.0 -8.5 106 7 325.8 326.2 292.7 333.5 2.28 26 509 5740 -4.7 -8.2 76 3.5 -6.3 107 7 325.6 326.4 294.1 339.1 4.05 27 502 5849 -4.7 -9.7 68 5.0 -7.0 109 7 326.9 327.7 294.1 339.2 3.65 28 500 5880 -4.1 -15.1 42 11.0 -8.4 110 7 328.0 328.5 293.4 336.2 2.37 29 498 5912 -3.7 -24.7 18 21.0 -10.2 110 7 328.9 329.1 292.4 332.6 1.04 30 492 6008 -3.7 -30.7 10 27.0 -11.0 111 7 330.0 330.2 292.3 332.3 0.60 31 417 7294 -13.7 -27.7 30 14.0 -17.3 122 7 333.2 333.4 293.5 336.6 0.94 32 411 7404 -14.7 -21.7 55 7.0 -16.9 123 7 333.3 333.6 294.1 339.1 1.64 33 405 7516 -15.1 -28.1 32 13.0 -18.4 124 7 334.2 334.4 293.7 337.6 0.93 34 400 7610 -15.7 -24.7 46 9.0 -18.2 125 7 334.6 334.8 294.1 339.3 1.29 35 383 7934 -19.1 -21.7 80 2.6 -19.8 126 7 334.3 334.6 294.4 340.6 1.76 36 381 7973 -19.3 -21.0 86 1.7 -19.8 126 7 334.5 334.9 294.6 341.2 1.88 37 378 8031 -18.9 -27.9 45 9.0 -21.1 126 7 335.8 336.0 294.2 339.6 1.02 38 370 8190 -19.3 -31.3 34 12.0 -22.0 126 8 337.3 337.5 294.4 340.2 0.76 39 366 8271 -18.3 -54.3 3 36.0 -22.7 127 8 339.7 339.7 294.3 340.0 0.07 40 365 8291 -18.3 -52.3 3 34.0 -22.6 127 8 340.0 340.0 294.4 340.3 0.08 41 335 8924 -22.5 -47.5 8 25.0 -25.8 128 8 342.7 342.7 295.1 343.3 0.16 42 307 9555 -27.9 -41.9 25 14.0 -29.8 130 9 343.8 343.9 295.5 345.0 0.31 43 300 9720 -29.1 -39.1 37 10.0 -30.6 130 9 344.4 344.5 295.7 346.1 0.43 44 289 9987 -31.3 -37.3 55 6.0 -32.2 133 9 344.9 345.0 296.0 347.0 0.54 45 250 11000 -39.5 -53.5 21 14.0 -40.4 145 9 347.3 347.4 296.1 347.8 0.10 46 247 11082 -40.1 -54.1 21 14.0 -41.0 145 10 347.6 347.7 296.2 348.1 0.10 47 202 12416 -52.3 -60.3 38 8.0 -52.5 150 30 349.0 349.0 296.4 349.2 0.06 48 200 12480 -52.7 -64.7 22 12.0 -53.0 150 31 349.3 349.3 296.5 349.5 0.03 49 199 12512 -53.1 -67.1 17 14.0 -53.4 150 31 349.2 349.2 296.5 349.3 0.02 50 187 12910 -56.5 -65.5 31 9.0 -56.7 151 31 350.0 350.0 296.7 350.1 0.03 51 173 13398 -60.5 -74.5 14 14.0 -60.6 153 32 351.2 351.2 296.9 351.3 0.01 52 150 14270 -68.1 -77.1 26 9.0 -68.2 155 33 352.8 352.8 297.3 352.8 0.01 53 132 15026 -75.1 -80.1 45 5.0 -75.1 133 32 353.4 353.4 297.4 353.4 0.00 54 117 15718 -79.9 -85.9 36 6.0 -79.9 112 31 357.0 357.0 298.1 357.0 0.00 55 100 16600 -83.3 -90.3 28 7.0 -83.3 85 29 366.8 366.8 300.0 366.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 555.65 mb = 5045.87 m = 16554.50 ft Wetbulb zero: 720.97 mb = 2907.02 m = 9537.35 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 50.62 % Est. max temperature: 31.28 C = 88.31 F Sfc-Lift cond lev (LCL): 991.91 mb = 178.94 m = 587.08 ft T: 22.70 C 700-500 lapse rate: 5.76 C/km ThetaE index: 23.60 C Layer 749.0- 711.0 mb Conv cond level (CCL): 867.50 mb = 1339.32 m = 4394.03 ft Mean mixing ratio: 15.17 g/kg Conv temperature: 31.17 C = 88.11 F Cap Strength: 4.00 C Lifted Index: 1.97 C Risk: Showers probable Lifted Index @300 mb: 3.93 C Lifted Index @700 mb: 3.38 C Showalter Index: 5.72 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 15.10 C K Index: -13.90 Risk: None Sweat Index: 161.00 Risk: None Energy Index: 0.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.06 J/kg Max Up Vert Vel: 5.30 m/s Conv Inhibition (B-): 2703.49 J/kg Cap Strength: 3.92 C Lift Cond Lev (LCL): 940.14 mb = 645.22 m = 2116.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 67 at 7 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 1012 19 45 1 -0.7 -0.7 | 251 6 5.5 1.9 1 1000 108 25 3 -1.3 -2.7 | 272 5 4.9 -0.1 2 925 786 340 7 2.4 -6.6 | 295 9 8.6 -4.0 3 850 1514 335 11 4.6 -10.0 | 304 13 10.8 -7.4 4 700 3155 50 11 -8.4 -7.1 | 26 5 -2.2 -4.5 5 500 5880 110 7 -6.6 2.4 | 176 5 -0.4 5.0 6 400 7610 125 7 -5.7 4.0 | 184 7 0.5 6.6 7 300 9720 130 9 -6.9 5.8 | 175 8 -0.7 8.4 8 250 11000 145 9 -5.2 7.4 | 186 10 1.0 9.9 9 200 12480 150 31 -15.5 26.8 | 162 31 -9.3 29.4 10 150 14270 155 33 -13.9 29.9 | 167 33 -7.8 32.5 11 100 16600 85 29 -28.9 -2.5 | 90 23 -22.7 0.0 Wind Parameters Mean winds (0-6000m): 37.4 at 8.9 knts Storm direction: 67.4 at 6.7 knts Shear (0-3000m) pos: 2.1 neg: 1.8 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 123.6 deg Storm rel helicity (0-3000m) pos: 37.9 neg: 0.0 tot: 37.9 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.08 Bulk Shear: 4.57 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 10 4 282 6| 0.0 4.9 4.9| 5.8 0.0 5.8 11.6 0.78| 5.4 4.2 1000 350 5 290 8| 0.0 4.1 4.1| 7.9 0.0 7.9 7.9 0.54| 4.6 2.5 1500 343 7 295 9| 0.0 3.7 3.7| 11.3 0.0 11.3 7.6 0.51| 4.0 2.1 2000 344 8 301 10| 1.1 2.8 3.9| 22.9 0.0 22.9 11.4 0.60| 4.2 2.5 2500 351 8 307 9| 1.8 2.2 4.0| 31.5 0.0 31.5 12.6 0.64| 4.2 2.7 3000 359 9 314 9| 2.1 1.8 4.0| 37.9 0.0 37.9 12.6 0.67| 4.3 2.9 4000 15 9 329 7| 1.9 1.4 3.3| 42.5 0.0 42.5 10.6 0.70| 3.8 2.7 5000 28 9 341 6| 1.7 1.1 2.8| 45.4 0.0 45.4 9.1 0.73| 3.5 2.5 6000 37 9 351 5| 1.4 0.9 2.4| 48.0 0.0 48.0 8.0 0.74| 3.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251229.00.gif