UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 6 DEC 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1016 7 24.0 19.2 75 4.8 20.7 85 1 295.8 298.3 293.3 335.8 13.91 1 1000 150 23.0 18.5 76 4.5 19.9 80 5 296.1 298.6 293.1 335.1 13.52 2 925 824 17.0 15.3 90 1.7 15.9 80 9 296.7 298.8 292.0 331.1 11.90 3 864 1403 12.8 12.3 97 0.5 12.5 56 11 298.2 300.1 291.3 328.6 10.46 4 850 1541 12.8 8.8 77 4.0 10.4 50 11 299.6 301.1 290.0 324.2 8.39 5 834 1701 12.4 6.4 67 6.0 8.9 44 11 300.8 302.1 289.5 322.3 7.24 6 774 2324 9.6 7.8 89 1.8 8.5 19 12 304.2 305.8 291.7 330.0 8.61 7 766 2411 12.6 1.6 47 11.0 6.6 15 12 308.4 309.4 290.5 325.7 5.61 8 762 2455 12.8 -2.2 35 15.0 5.2 13 12 309.1 309.9 289.5 322.4 4.27 9 734 2769 12.0 -19.0 10 31.0 0.7 1 13 311.5 311.7 287.2 315.4 1.16 10 711 3035 10.6 -3.4 37 14.0 3.5 350 13 312.8 313.6 290.6 326.1 4.18 11 700 3165 10.6 -10.4 22 21.0 1.4 345 13 314.2 314.7 289.5 322.3 2.47 12 657 3690 9.2 -27.8 5 37.0 -2.3 341 11 318.4 318.5 288.9 320.5 0.59 13 532 5399 -2.3 -19.3 26 17.0 -8.2 329 5 324.4 324.7 291.7 329.8 1.56 14 516 5641 -2.5 -29.5 10 27.0 -9.9 327 4 327.0 327.2 291.5 329.4 0.64 15 500 5890 -4.1 -25.1 18 21.0 -10.5 325 3 328.0 328.2 292.2 331.6 1.00 16 482 6178 -5.3 -26.3 17 21.0 -11.5 298 3 330.0 330.2 292.6 333.4 0.93 17 400 7620 -13.5 -35.5 14 22.0 -18.2 160 5 337.4 337.5 294.1 339.2 0.46 18 395 7716 -13.7 -41.7 7 28.0 -18.8 163 5 338.4 338.4 294.1 339.4 0.25 19 358 8454 -20.1 -41.1 14 21.0 -23.5 185 5 339.5 339.5 294.5 340.6 0.29 20 338 8877 -22.7 -51.7 5 29.0 -26.0 198 5 341.5 341.6 294.8 341.9 0.10 21 300 9740 -29.7 -54.7 7 25.0 -31.9 225 5 343.5 343.5 295.3 343.8 0.08 22 250 11010 -40.3 -59.3 11 19.0 -41.2 300 1 346.2 346.2 295.8 346.4 0.05 23 217 11958 -48.5 -65.5 12 17.0 -49.0 256 4 347.8 347.8 296.1 347.9 0.03 24 206 12298 -51.1 -69.1 10 18.0 -51.5 239 4 348.9 348.9 296.4 349.0 0.02 25 200 12490 -52.5 -66.5 17 14.0 -52.8 230 5 349.6 349.6 296.5 349.7 0.02 26 198 12555 -53.1 -62.1 33 9.0 -53.4 228 6 349.7 349.7 296.6 349.9 0.05 27 164 13745 -62.5 -80.5 7 18.0 -62.6 196 24 353.3 353.3 297.3 353.3 0.00 28 155 14091 -65.5 -75.5 24 10.0 -65.6 186 30 353.9 353.9 297.5 354.0 0.01 29 150 14290 -66.9 -79.9 14 13.0 -67.0 180 33 354.8 354.8 297.7 354.9 0.00 30 124 15419 -74.3 -90.3 7 16.0 -74.3 178 22 361.2 361.2 299.0 361.3 0.00 31 100 16640 -84.1 -90.1 34 6.0 -84.1 175 9 365.2 365.2 299.7 365.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5740.00 m Freezing level: 557.00 mb = 5057.34 m = 16592.13 ft Wetbulb zero: 684.07 mb = 3355.72 m = 11009.43 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 43.29 % Est. max temperature: 26.32 C = 79.37 F Sfc-Lift cond lev (LCL): 947.20 mb = 619.00 m = 2030.82 ft T: 18.82 C 700-500 lapse rate: 5.39 C/km ThetaE index: 14.65 C Layer 766.0- 711.0 mb Conv cond level (CCL): 913.09 mb = 934.09 m = 3064.55 ft Mean mixing ratio: 12.78 g/kg Conv temperature: 25.18 C = 77.32 F Cap Strength: 6.43 C Lifted Index: 5.61 C Risk: None Lifted Index @300 mb: 8.51 C Lifted Index @700 mb: 5.13 C Showalter Index: 10.00 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 16.90 C Cross Totals Index: 12.90 C K Index: 4.70 Risk: None Sweat Index: 130.60 Risk: None Energy Index: 1.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.96 J/kg Max Up Vert Vel: 5.65 m/s Conv Inhibition (B-): 1.84 J/kg Cap Strength: 6.29 C Lift Cond Lev (LCL): 921.18 mb = 859.11 m = 2818.57 ft Lev Free Conv (LFC): 906.18 mb = 998.52 m = 3275.96 ft Equ Level (EL): 776.18 mb = 2300.58 m = 7547.74 ft B at Equ Level: 13.69 J/kg Max Parcel Lev (MPL): 756.18 mb = 2519.15 m = 8264.84 ft Wind level data Storm motion: 41 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 1016 7 85 1 -1.0 -0.1 | 214 6 3.4 5.0 1 1000 150 80 5 -4.9 -0.9 | 173 4 -0.5 4.3 2 925 824 80 9 -8.9 -1.6 | 129 6 -4.5 3.6 3 850 1541 50 11 -8.4 -7.1 | 64 4 -4.0 -1.9 4 700 3165 345 13 3.4 -12.6 | 314 11 7.8 -7.4 5 500 5890 325 3 1.7 -2.5 | 246 7 6.1 2.7 6 400 7620 160 5 -1.7 4.7 | 195 10 2.7 9.8 7 300 9740 225 5 3.5 3.5 | 222 12 7.9 8.7 8 250 11010 300 1 0.9 -0.5 | 229 7 5.3 4.6 9 200 12490 230 5 3.8 3.2 | 225 12 8.2 8.3 10 150 14290 180 33 0.0 33.0 | 187 38 4.4 38.1 11 100 16640 175 9 -0.8 9.0 | 194 15 3.6 14.1 Wind Parameters Mean winds (0-6000m): 10.6 at 9.0 knts Storm direction: 40.6 at 6.7 knts Shear (0-3000m) pos: 0.0 neg: 2.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -33.9 tot: -33.9 m^2/s^2 ave: -11.3 10^-3 m/s^2 rel: -0.90 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.60 Bulk Shear: 9.96 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 80 5 170 4| 0.0 6.3 6.3| 0.0 -7.0 -7.0 -14.0 -0.92| 6.4 -5.8 1000 79 7 149 4| 0.0 4.4 4.4| 0.0 -10.9 -10.9 -10.9 -0.91| 4.8 -4.4 1500 71 8 129 4| 0.0 3.5 3.5| 0.0 -15.7 -15.7 -10.5 -0.93| 4.6 -4.2 2000 62 9 106 3| 0.0 2.8 2.8| 0.0 -20.5 -20.5 -10.2 -0.94| 4.5 -4.2 2500 52 9 76 3| 0.0 2.5 2.5| 0.0 -26.2 -26.2 -10.5 -0.93| 4.4 -4.1 3000 41 10 41 3| 0.0 2.2 2.2| 0.0 -33.9 -33.9 -11.3 -0.90| 4.4 -4.0 4000 24 10 357 4| 0.0 1.3 1.3| 0.0 -44.3 -44.3 -11.1 -0.89| 3.9 -3.5 5000 15 10 337 5| 0.0 0.7 0.7| 0.0 -51.7 -51.7 -10.3 -0.89| 3.5 -3.2 6000 11 9 324 5| 0.0 0.3 0.3| 0.0 -57.7 -57.7 -9.6 -0.89| 3.3 -2.9 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251206.12.gif