UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 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 1011 19 26.0 20.0 70 6.0 21.8 115 3 298.2 300.9 294.6 340.9 14.71 1 1000 98 25.4 20.4 74 5.0 21.9 125 7 298.5 301.3 295.0 342.9 15.26 2 940 641 22.4 18.5 79 3.9 19.7 346 5 300.8 303.5 295.1 343.1 14.40 3 933 706 22.8 17.8 73 5.0 19.4 329 5 301.9 304.4 295.0 342.8 13.87 4 925 781 22.2 17.4 74 4.8 18.9 310 5 302.0 304.5 294.8 342.3 13.64 5 870 1311 17.6 16.0 90 1.6 16.5 339 11 302.6 305.0 294.7 341.8 13.26 6 850 1510 16.6 12.6 77 4.0 14.0 350 13 303.5 305.5 293.3 335.8 10.85 7 819 1825 14.2 10.8 80 3.4 12.0 12 11 304.2 306.1 292.8 334.1 9.98 8 805 1971 16.4 -0.6 31 17.0 7.4 22 11 308.1 308.9 289.4 322.2 4.55 9 791 2119 15.4 9.4 67 6.0 11.6 33 10 308.6 310.3 293.6 337.2 9.40 10 773 2314 15.0 -7.0 21 22.0 4.6 46 9 310.2 310.7 288.6 319.5 2.92 11 745 2626 14.4 -32.6 2 47.0 0.7 68 8 312.8 312.9 286.7 314.0 0.33 12 700 3149 11.8 -35.2 2 47.0 -1.0 105 5 315.6 315.6 287.6 316.5 0.27 13 675 3452 11.0 -28.0 5 39.0 -1.3 101 5 318.0 318.1 288.7 320.0 0.57 14 621 4139 5.2 -15.8 20 21.0 -3.0 93 6 319.0 319.3 290.3 325.0 1.80 15 614 4232 4.8 -27.2 8 32.0 -4.9 91 6 319.6 319.7 289.3 321.9 0.67 16 601 4406 4.0 -10.0 35 14.0 -2.2 89 6 320.6 321.2 291.8 330.4 2.97 17 580 4694 3.2 -18.8 18 22.0 -4.8 85 6 322.9 323.2 291.2 328.1 1.49 18 569 4849 1.8 -5.2 60 7.0 -1.7 83 6 323.1 324.0 293.9 338.1 4.57 19 560 4977 1.2 -5.8 60 7.0 -2.3 82 6 323.8 324.7 293.9 338.5 4.43 20 558 5006 1.2 -13.8 32 15.0 -5.0 81 6 324.2 324.6 292.3 332.2 2.36 21 551 5107 0.8 -18.2 23 19.0 -6.2 80 6 324.9 325.2 291.9 330.6 1.65 22 546 5180 0.2 -8.8 51 9.0 -4.0 79 6 325.0 325.7 293.6 337.0 3.60 23 512 5693 -2.7 -28.7 11 26.0 -10.0 72 7 327.5 327.7 291.7 330.1 0.70 24 509 5739 -3.1 -19.1 28 16.0 -8.8 72 7 327.6 327.9 292.6 333.4 1.66 25 500 5880 -3.9 -23.9 19 20.0 -10.2 70 7 328.3 328.5 292.3 332.2 1.11 26 484 6137 -5.5 -32.5 10 27.0 -12.3 87 7 329.4 329.5 292.0 331.3 0.51 27 472 6334 -6.9 -20.9 32 14.0 -11.6 100 6 330.0 330.3 293.2 335.4 1.53 28 458 6569 -7.7 -39.7 6 32.0 -14.3 115 6 331.9 331.9 292.5 332.9 0.26 29 408 7460 -14.7 -31.7 22 17.0 -18.6 175 5 334.0 334.1 293.4 336.4 0.66 30 404 7535 -14.7 -23.7 46 9.0 -17.3 180 5 334.9 335.2 294.3 340.0 1.40 31 400 7610 -15.5 -25.5 42 10.0 -18.3 185 5 334.8 335.1 294.1 339.2 1.20 32 396 7686 -15.9 -24.9 46 9.0 -18.4 184 5 335.3 335.5 294.3 339.9 1.28 33 393 7743 -15.7 -20.7 65 5.0 -17.3 183 5 336.3 336.7 295.0 343.0 1.87 34 380 7996 -16.7 -26.7 42 10.0 -19.4 178 5 338.2 338.4 294.9 342.4 1.13 35 364 8317 -18.5 -24.5 59 6.0 -20.2 172 5 340.0 340.3 295.6 345.3 1.44 36 342 8779 -20.9 -44.9 10 24.0 -24.4 163 5 342.8 342.9 295.2 343.7 0.20 37 308 9542 -27.7 -37.7 38 10.0 -29.3 149 5 343.7 343.8 295.7 345.6 0.48 38 304 9635 -28.3 -35.3 51 7.0 -29.5 147 5 344.2 344.3 295.9 346.6 0.62 39 300 9730 -29.1 -38.1 42 9.0 -30.4 145 5 344.4 344.5 295.8 346.2 0.48 40 290 9970 -30.7 -45.7 22 15.0 -32.4 151 8 345.4 345.5 295.8 346.3 0.22 41 271 10445 -34.9 -40.9 54 6.0 -35.6 162 13 346.1 346.2 296.1 347.7 0.40 42 250 11000 -39.5 -49.5 34 10.0 -40.2 175 19 347.3 347.4 296.2 348.0 0.17 43 242 11222 -41.1 -57.1 16 16.0 -41.9 175 21 348.2 348.2 296.3 348.5 0.07 44 217 11955 -47.7 -57.7 31 10.0 -48.1 175 28 349.0 349.0 296.5 349.3 0.07 45 209 12203 -49.7 -53.0 68 3.3 -49.8 175 30 349.6 349.7 296.7 350.2 0.13 46 200 12490 -51.9 -55.6 64 3.7 -52.0 175 33 350.6 350.6 296.8 351.0 0.10 47 185 12988 -56.9 -59.2 75 2.3 -57.0 172 34 350.4 350.4 296.8 350.7 0.07 48 150 14280 -67.9 -72.9 49 5.0 -67.9 165 36 353.1 353.1 297.3 353.2 0.01 49 125 15349 -78.1 -84.1 37 6.0 -78.1 149 44 353.5 353.5 297.4 353.5 0.00 50 102 16482 -87.5 -92.0 43 4.5 -87.5 131 54 356.6 356.6 298.0 356.6 0.00 51 101 16536 -87.9 -92.7 40 4.8 -87.9 130 54 356.9 356.9 298.1 356.9 0.00 52 100 16590 -87.9 -92.9 39 5.0 -87.9 130 54 357.9 357.9 298.3 357.9 0.00 TRP 101 16536 -87.9 -92.7 40 4.8 -87.9 130 54 356.9 356.9 298.1 356.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 543.66 mb = 5215.66 m = 17111.55 ft Wetbulb zero: 726.49 mb = 2837.00 m = 9307.62 ft Precipitable water: 1.37 inches Sfc-500 mean rel hum: 39.55 % Est. max temperature: 30.80 C = 87.44 F Sfc-Lift cond lev (LCL): 926.43 mb = 767.49 m = 2517.99 ft T: 22.31 C 700-500 lapse rate: 5.75 C/km ThetaE index: 23.18 C Layer 773.0- 700.0 mb Conv cond level (CCL): 864.38 mb = 1366.44 m = 4483.03 ft Mean mixing ratio: 14.53 g/kg Conv temperature: 30.63 C = 87.14 F Cap Strength: 3.89 C Lifted Index: 1.76 C Risk: Showers probable Lifted Index @300 mb: 3.34 C Lifted Index @700 mb: 3.28 C Showalter Index: 4.69 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 16.50 C K Index: -13.90 Risk: None Sweat Index: 184.20 Risk: None Energy Index: -0.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.44 J/kg Max Up Vert Vel: 5.37 m/s Conv Inhibition (B-): 43.12 J/kg Cap Strength: 3.84 C Lift Cond Lev (LCL): 897.84 mb = 1038.67 m = 3407.67 ft Lev Free Conv (LFC): 822.84 mb = 1785.04 m = 5856.36 ft Equ Level (EL): 812.84 mb = 1888.56 m = 6195.97 ft B at Equ Level: 11.23 J/kg Max Parcel Lev (MPL): 792.84 mb = 2099.70 m = 6888.70 ft Wind level data Storm motion: 78 at 5 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 1011 19 115 3 -2.7 1.3 | 226 3 2.5 2.4 1 1000 98 125 7 -5.7 4.0 | 175 5 -0.5 5.2 2 925 781 310 5 3.8 -3.2 | 283 9 9.1 -2.1 3 850 1510 350 13 2.3 -12.8 | 327 14 7.5 -11.7 4 700 3149 105 5 -4.8 1.3 | 190 2 0.4 2.4 5 500 5880 70 7 -6.6 -2.4 | 47 2 -1.3 -1.2 6 400 7610 185 5 0.4 5.0 | 223 8 5.7 6.1 7 300 9730 145 5 -2.9 4.1 | 204 6 2.4 5.2 8 250 11000 175 19 -1.7 18.9 | 190 20 3.6 20.1 9 200 12490 175 33 -2.9 32.9 | 184 34 2.4 34.0 10 150 14280 165 36 -9.3 34.8 | 174 36 -4.1 35.9 11 101 16536 130 54 -41.4 34.7 | 135 51 -36.1 35.9 12 100 16590 130 54 -41.4 34.7 | 135 51 -36.1 35.9 Wind Parameters Mean winds (0-6000m): 47.7 at 7.2 knts Storm direction: 77.7 at 5.4 knts Shear (0-3000m) pos: 2.1 neg: 1.8 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): -57.9 deg Storm rel helicity (0-3000m) pos: 51.3 neg: -17.8 tot: 33.4 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.90 Bulk Shear: 2.95 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 88 6 138 1| 0.0 7.1 7.1| 0.0 -8.3 -8.3 -16.7 -0.78| 16.8-13.2 1000 7 6 316 7| 0.0 5.3 5.3| 5.7 -17.8 -12.1 -12.1 -0.62| 12.9 -7.9 1500 348 7 312 9| 2.4 3.6 6.0| 28.2 -17.8 10.3 6.9 -0.27| 11.1 -3.0 2000 357 8 322 9| 2.5 2.7 5.2| 43.9 -17.8 26.0 13.0 -0.08| 10.3 -0.9 2500 5 9 329 9| 2.4 2.1 4.6| 49.5 -17.8 31.6 12.6 0.01| 9.5 0.1 3000 5 8 328 8| 2.1 1.8 3.9| 51.3 -17.8 33.4 11.1 0.08| 8.8 0.7 4000 20 8 337 7| 1.5 1.3 2.9| 51.7 -18.2 33.4 8.4 0.08| 6.8 0.5 5000 38 7 350 5| 1.2 1.1 2.4| 51.7 -18.7 33.0 6.6 0.05| 5.6 0.3 6000 48 7 1 4| 1.1 1.0 2.1| 52.1 -19.1 33.0 5.5 0.05| 4.9 0.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251229.12.gif