UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 7 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 21.5 76 4.5 22.8 160 1 298.2 301.2 295.6 345.2 16.17 1 1000 101 25.4 21.0 77 4.4 22.3 165 7 298.5 301.4 295.4 344.6 15.85 2 954 515 23.4 19.7 80 3.7 20.8 59 5 300.6 303.4 295.6 345.5 15.32 3 941 635 23.6 17.6 69 6.0 19.5 28 4 302.0 304.5 294.8 342.0 13.58 4 925 785 22.6 16.6 69 6.0 18.5 350 3 302.4 304.8 294.5 340.7 12.95 5 850 1515 16.4 13.7 84 2.7 14.6 355 13 303.3 305.5 293.8 338.0 11.67 6 804 1985 12.4 10.6 89 1.8 11.3 8 14 303.9 305.8 292.7 333.9 10.04 7 794 2090 15.2 -0.8 33 16.0 6.8 11 14 308.0 308.9 289.4 322.1 4.54 8 700 3149 11.4 -22.6 7 34.0 -0.3 40 17 315.1 315.3 288.1 318.2 0.89 9 646 3817 9.2 -15.8 15 25.0 -0.9 45 17 319.9 320.3 290.5 325.8 1.73 10 606 4344 6.4 -28.6 6 35.0 -4.3 49 17 322.6 322.7 290.2 324.7 0.60 11 531 5412 -1.5 -18.5 26 17.0 -7.7 56 17 325.6 325.9 292.1 331.4 1.67 12 500 5890 -3.1 -27.1 14 24.0 -10.2 60 17 329.3 329.4 292.3 332.3 0.83 13 486 6114 -4.1 -42.1 3 38.0 -12.0 62 18 330.7 330.8 292.1 331.5 0.19 14 450 6715 -7.9 -34.9 9 27.0 -14.2 67 20 333.3 333.4 293.0 335.0 0.44 15 444 6819 -8.7 -23.7 29 15.0 -13.3 68 20 333.6 333.8 293.9 338.2 1.27 16 431 7049 -9.7 -42.7 5 33.0 -15.9 70 21 335.1 335.2 293.3 336.0 0.21 17 400 7620 -13.7 -37.7 11 24.0 -18.6 75 23 337.2 337.3 294.0 338.6 0.37 18 376 8088 -16.7 -50.7 4 34.0 -21.4 80 21 339.2 339.3 294.2 339.6 0.10 19 321 9255 -26.1 -43.1 19 17.0 -28.4 94 15 341.9 342.0 295.0 343.0 0.26 20 318 9322 -26.7 -35.7 42 9.0 -28.2 95 15 342.0 342.1 295.3 344.2 0.57 21 300 9740 -30.5 -36.5 56 6.0 -31.4 100 13 342.4 342.5 295.4 344.6 0.56 22 298 9788 -30.7 -40.7 37 10.0 -32.0 99 13 342.8 342.8 295.3 344.2 0.37 23 285 10103 -33.3 -41.3 45 8.0 -34.3 89 14 343.4 343.5 295.5 344.9 0.36 24 283 10152 -33.5 -48.5 21 15.0 -34.9 87 14 343.8 343.9 295.4 344.5 0.17 25 255 10875 -39.3 -48.3 38 9.0 -40.0 64 15 345.7 345.7 295.8 346.4 0.19 26 250 11010 -40.3 -54.3 21 14.0 -41.1 60 15 346.2 346.2 295.8 346.6 0.10 27 237 11372 -42.9 -61.9 11 19.0 -43.7 61 15 347.6 347.6 296.1 347.7 0.04 28 216 11989 -48.7 -53.7 56 5.0 -48.9 63 16 347.9 347.9 296.3 348.4 0.12 29 200 12490 -52.9 -57.0 61 4.1 -53.0 65 17 349.0 349.0 296.5 349.4 0.09 30 176 13301 -59.3 -62.0 71 2.7 -59.3 94 23 351.5 351.5 297.0 351.7 0.05 31 150 14280 -68.1 -72.4 54 4.3 -68.1 130 31 352.8 352.8 297.3 352.8 0.01 32 129 15169 -74.7 -80.7 39 6.0 -74.7 141 24 356.5 356.5 298.0 356.5 0.00 33 118 15684 -76.3 -86.3 19 10.0 -76.3 148 19 362.7 362.7 299.2 362.7 0.00 34 100 16620 -83.1 -89.1 34 6.0 -83.1 160 11 367.2 367.2 300.1 367.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 545.24 mb = 5209.20 m = 17090.36 ft Wetbulb zero: 704.36 mb = 3096.77 m = 10159.89 ft Precipitable water: 1.33 inches Sfc-500 mean rel hum: 37.27 % Est. max temperature: 31.00 C = 87.79 F Sfc-Lift cond lev (LCL): 947.07 mb = 578.73 m = 1898.69 ft T: 23.51 C 700-500 lapse rate: 5.29 C/km ThetaE index: 27.33 C Layer 941.0- 646.0 mb Conv cond level (CCL): 862.30 mb = 1390.92 m = 4563.33 ft Mean mixing ratio: 14.69 g/kg Conv temperature: 30.98 C = 87.77 F Cap Strength: 3.61 C Lifted Index: 2.21 C Risk: None Lifted Index @300 mb: 1.41 C Lifted Index @700 mb: 2.59 C Showalter Index: 4.56 C Risk: None Total Totals Index: 36.30 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 16.80 C K Index: -0.80 Risk: None Sweat Index: 207.40 Risk: None Energy Index: -0.98 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.81 J/kg Max Up Vert Vel: 7.85 m/s Conv Inhibition (B-): 48.31 J/kg Cap Strength: 3.62 C Lift Cond Lev (LCL): 896.11 mb = 1058.97 m = 3474.28 ft Lev Free Conv (LFC): 841.11 mb = 1603.77 m = 5261.64 ft Equ Level (EL): 791.11 mb = 2120.61 m = 6957.28 ft B at Equ Level: 26.27 J/kg Max Parcel Lev (MPL): 751.11 mb = 2556.71 m = 8388.06 ft Wind level data Storm motion: 69 at 10 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 19 160 1 -0.3 0.9 | 244 10 9.4 4.7 1 1000 101 165 7 -1.8 6.8 | 217 13 7.9 10.5 2 925 785 350 3 0.5 -3.0 | 266 10 10.3 0.8 3 850 1515 355 13 1.1 -13.0 | 310 14 10.9 -9.2 4 700 3149 40 17 -10.9 -13.0 | 7 9 -1.2 -9.3 5 500 5890 60 17 -14.7 -8.5 | 46 7 -5.0 -4.8 6 400 7620 75 23 -22.2 -6.0 | 80 13 -12.5 -2.2 7 300 9740 100 13 -12.8 2.3 | 153 7 -3.1 6.0 8 250 11010 60 15 -13.0 -7.5 | 41 5 -3.2 -3.8 9 200 12490 65 17 -15.4 -7.2 | 59 7 -5.7 -3.5 10 150 14280 130 31 -23.7 19.9 | 149 27 -14.0 23.7 11 100 16620 160 11 -3.8 10.3 | 203 15 6.0 14.1 Wind Parameters Mean winds (0-6000m): 39.1 at 13.9 knts Storm direction: 69.1 at 10.4 knts Shear (0-3000m) pos: 2.2 neg: 1.2 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 117.3 deg Storm rel helicity (0-3000m) pos: 70.0 neg: -18.1 tot: 52.0 m^2/s^2 ave: 17.3 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.98 Bulk Shear: 31.52 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 ------------------------------------------------------------------------------- 500 135 5 218 10| 0.0 5.0 5.0| 8.1 -18.1 -10.0 -19.9 -0.08| 16.9 -1.3 1000 149 5 223 11| 0.0 3.7 3.7| 18.1 -18.1 0.0 0.0 0.11| 12.3 1.4 1500 359 6 285 10| 2.3 2.5 4.8| 37.5 -18.1 19.4 12.9 0.28| 10.5 3.0 2000 1 8 295 11| 2.2 1.8 4.0| 48.8 -18.1 30.8 15.4 0.35| 8.8 3.0 2500 7 10 304 10| 2.2 1.5 3.7| 59.7 -18.1 41.6 16.6 0.40| 7.8 3.1 3000 15 11 313 10| 2.2 1.2 3.5| 70.0 -18.1 52.0 17.3 0.45| 7.2 3.3 4000 26 12 329 8| 1.8 0.9 2.8| 76.5 -18.1 58.4 14.6 0.48| 5.8 2.8 5000 33 13 341 8| 1.6 0.7 2.3| 80.6 -18.1 62.5 12.5 0.50| 4.8 2.4 6000 39 14 352 7| 1.4 0.6 2.0| 84.8 -18.1 66.7 11.1 0.52| 4.2 2.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251207.12.gif