UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 5 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 1013 19 25.0 21.6 81 3.4 22.6 0 0 297.1 300.0 295.3 344.0 16.24 1 1000 117 24.2 20.8 81 3.4 21.8 55 5 297.4 300.2 295.0 342.6 15.65 2 986 241 23.4 22.1 92 1.3 22.5 53 5 297.7 300.9 296.1 347.7 17.23 3 925 798 21.0 17.6 81 3.4 18.7 45 3 300.8 303.3 294.6 341.3 13.82 4 886 1171 18.6 16.7 89 1.9 17.3 63 11 302.0 304.5 294.8 342.2 13.62 5 860 1428 20.0 11.0 56 9.0 14.3 75 17 306.1 307.9 293.1 335.1 9.63 6 850 1529 19.8 9.8 52 10.0 13.5 80 19 306.9 308.6 292.8 334.1 8.98 7 700 3173 9.6 2.6 62 7.0 5.6 95 15 313.1 314.4 292.7 333.8 6.61 8 650 3783 5.2 0.9 74 4.3 2.8 92 14 314.8 316.1 293.0 334.7 6.30 9 582 4679 1.2 -12.8 34 14.0 -4.6 87 12 320.3 320.8 291.3 328.5 2.45 10 580 4707 1.0 -10.0 44 11.0 -3.8 87 12 320.4 321.0 291.9 330.6 3.08 11 572 4819 0.6 -13.4 34 14.0 -5.1 86 11 321.2 321.6 291.5 329.1 2.38 12 567 4889 0.8 -20.2 19 21.0 -6.5 86 11 322.2 322.5 290.8 326.9 1.35 13 550 5133 0.0 -18.0 24 18.0 -6.6 84 11 324.1 324.4 291.7 329.9 1.69 14 500 5890 -5.1 -17.1 38 12.0 -9.5 80 9 326.8 327.2 292.7 333.7 2.00 15 457 6591 -9.7 -16.7 57 7.0 -12.2 86 11 329.6 330.0 293.7 337.4 2.27 16 444 6813 -11.1 -20.1 47 9.0 -14.0 88 11 330.5 330.9 293.5 336.7 1.74 17 401 7591 -14.3 -36.3 14 22.0 -18.8 95 13 336.2 336.2 293.8 337.8 0.43 18 400 7610 -14.5 -34.5 17 20.0 -18.8 95 13 336.1 336.2 293.9 338.1 0.51 19 342 8780 -21.5 -47.5 8 26.0 -25.0 87 11 342.0 342.1 295.0 342.7 0.15 20 315 9380 -26.9 -48.9 11 22.0 -29.3 83 10 342.7 342.7 295.1 343.2 0.14 21 300 9730 -29.1 -54.1 7 25.0 -31.3 80 9 344.4 344.4 295.4 344.7 0.08 22 250 11000 -40.5 -56.5 16 16.0 -41.4 150 7 345.9 345.9 295.8 346.2 0.07 23 202 12416 -52.9 -60.9 37 8.0 -53.1 179 11 348.0 348.0 296.3 348.2 0.05 24 200 12480 -53.3 -62.3 33 9.0 -53.5 180 11 348.4 348.4 296.3 348.6 0.04 25 197 12577 -53.7 -70.7 11 17.0 -54.0 178 12 349.2 349.2 296.5 349.3 0.01 26 164 13729 -63.9 -70.9 38 7.0 -64.0 152 25 350.9 350.9 296.8 351.0 0.02 27 155 14072 -67.1 -70.3 64 3.2 -67.1 145 29 351.2 351.2 296.9 351.3 0.02 28 152 14190 -67.7 -70.1 71 2.4 -67.7 142 30 352.1 352.1 297.1 352.2 0.02 29 150 14270 -68.1 -71.3 63 3.2 -68.1 140 31 352.8 352.8 297.3 352.8 0.02 30 121 15531 -74.9 -85.9 17 11.0 -74.9 100 27 362.7 362.7 299.2 362.7 0.00 31 100 16610 -82.7 -89.7 29 7.0 -82.7 65 23 367.9 367.9 300.2 367.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 550.00 mb = 5133.39 m = 16841.63 ft Wetbulb zero: 623.91 mb = 4115.31 m = 13501.50 ft Precipitable water: 1.76 inches Sfc-500 mean rel hum: 57.89 % Est. max temperature: 33.58 C = 92.44 F Sfc-Lift cond lev (LCL): 964.23 mb = 435.58 m = 1429.06 ft T: 22.56 C 700-500 lapse rate: 5.41 C/km ThetaE index: 8.48 C Layer 860.0- 650.0 mb Conv cond level (CCL): 888.29 mb = 1148.38 m = 3767.61 ft Mean mixing ratio: 15.48 g/kg Conv temperature: 29.92 C = 85.86 F Cap Strength: 3.49 C Lifted Index: 0.04 C Risk: Showers probable Lifted Index @300 mb: 2.52 C Lifted Index @700 mb: 0.67 C Showalter Index: 4.26 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 14.90 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 164.60 Risk: None Energy Index: 0.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.87 J/kg Max Up Vert Vel: 9.47 m/s Conv Inhibition (B-): 166.78 J/kg Cap Strength: 3.45 C Lift Cond Lev (LCL): 927.37 mb = 775.71 m = 2544.94 ft Lev Free Conv (LFC): 672.37 mb = 3504.61 m = 11497.93 ft Equ Level (EL): 572.37 mb = 4813.40 m = 15791.79 ft B at Equ Level: 34.50 J/kg Max Parcel Lev (MPL): 392.37 mb = 7753.94 m = 25439.14 ft Wind level data Storm motion: 115 at 9 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 1013 19 0 0 -0.0 -0.0 | 295 9 8.2 -3.9 1 1000 117 55 5 -4.1 -2.9 | 329 8 4.1 -6.8 2 925 798 45 3 -2.1 -2.1 | 315 9 6.1 -6.0 3 850 1529 80 19 -18.7 -3.3 | 56 13 -10.5 -7.2 4 700 3173 95 15 -14.9 1.3 | 69 7 -6.7 -2.6 5 500 5890 80 9 -8.9 -1.6 | 7 5 -0.6 -5.5 6 400 7610 95 13 -13.0 1.1 | 60 5 -4.7 -2.8 7 300 9730 80 9 -8.9 -1.6 | 7 5 -0.6 -5.5 8 250 11000 150 7 -3.5 6.1 | 245 5 4.7 2.2 9 200 12480 180 11 0.0 11.0 | 229 11 8.2 7.1 10 150 14270 140 31 -19.9 23.7 | 149 23 -11.7 19.9 11 100 16610 65 23 -20.8 -9.7 | 43 19 -12.6 -13.6 Wind Parameters Mean winds (0-6000m): 85.3 at 12.1 knts Storm direction: 115.3 at 9.1 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 132.3 deg Storm rel helicity (0-3000m) pos: 58.1 neg: -3.9 tot: 54.3 m^2/s^2 ave: 18.1 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 3.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 4.16 Bulk Shear: 10.79 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 53 4 321 8| 3.9 0.0 3.9| 10.5 -2.6 7.9 15.8 0.59| 6.5 3.8 1000 52 4 322 8| 4.0 0.0 4.0| 20.9 -3.9 17.0 17.0 0.67| 6.0 4.0 1500 69 7 347 7| 6.4 0.0 6.4| 51.5 -3.9 47.6 31.8 0.81| 8.2 6.7 2000 75 10 11 7| 4.6 0.0 4.6| 54.8 -3.9 50.9 25.5 0.79| 6.7 5.3 2500 78 11 25 7| 3.4 0.0 3.4| 56.8 -3.9 52.9 21.2 0.76| 5.7 4.4 3000 81 12 34 7| 2.6 0.0 2.6| 58.1 -3.9 54.3 18.1 0.74| 5.1 3.7 4000 84 13 41 7| 2.0 0.3 2.3| 58.4 -7.2 51.1 12.8 0.62| 4.1 2.6 5000 85 13 41 7| 1.6 0.5 2.1| 58.4 -10.9 47.4 9.5 0.51| 3.6 1.8 6000 85 12 38 6| 1.3 0.6 1.9| 58.7 -13.9 44.9 7.5 0.43| 3.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251205.00.gif