UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 6 DEC 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1021 6 18.6 13.9 74 4.7 15.7 10 1 290.0 291.8 288.0 317.7 9.82 1 1000 182 16.8 13.7 82 3.1 14.9 30 3 290.0 291.7 288.0 317.8 9.89 2 972 424 14.6 13.0 90 1.6 13.6 74 4 290.1 291.8 287.9 317.5 9.72 3 955 573 15.6 13.1 85 2.5 14.0 101 4 292.6 294.4 289.0 320.9 9.96 4 938 726 14.8 14.8 100 0.0 14.8 129 5 293.3 295.3 290.5 325.6 11.35 5 925 844 14.2 14.2 100 0.0 14.2 150 5 293.8 295.8 290.4 325.5 11.07 6 850 1556 11.4 11.4 100 0.0 11.4 190 7 298.1 299.9 290.9 327.2 10.01 7 730 2814 4.0 3.1 94 0.9 3.5 280 21 303.3 304.5 289.7 323.0 6.56 8 722 2904 5.0 -3.0 56 8.0 1.1 287 22 305.3 306.1 288.2 318.4 4.25 9 718 2949 7.6 -14.4 19 22.0 -0.9 290 23 308.7 309.0 286.8 314.3 1.74 10 711 3031 9.2 -26.8 6 36.0 -1.7 296 24 311.3 311.4 286.5 313.3 0.60 11 700 3160 8.8 -32.2 4 41.0 -2.4 305 25 312.2 312.3 286.6 313.5 0.37 12 656 3694 8.0 302 25 317.2 13 546 5176 -1.7 -34.7 6 33.0 -9.6 294 25 322.7 322.8 290.0 324.1 0.37 14 500 5870 -5.5 -41.5 4 36.0 -12.6 290 25 326.3 326.4 290.9 327.1 0.20 15 405 7496 -14.7 -36.7 14 22.0 -19.1 271 33 334.7 334.8 293.4 336.2 0.41 16 404 7515 -14.7 -36.7 14 22.0 -19.1 271 33 334.9 335.0 293.4 336.5 0.41 17 400 7590 -15.1 -34.1 18 19.0 -19.2 270 33 335.4 335.5 293.7 337.4 0.53 18 374 8094 -19.9 -35.9 23 16.0 -22.9 274 35 335.5 335.6 293.7 337.3 0.48 19 362 8336 -20.3 -45.3 9 25.0 -23.9 275 35 338.1 338.2 294.0 338.9 0.18 20 300 9700 -31.3 -52.3 11 21.0 -33.1 285 40 341.3 341.3 294.7 341.7 0.10 21 285 10060 -34.3 -54.3 11 20.0 -35.7 279 42 342.0 342.0 294.9 342.4 0.08 22 250 10960 -40.9 -61.9 9 21.0 -41.8 265 48 345.3 345.3 295.6 345.4 0.04 23 216 11939 -49.1 -60.1 27 11.0 -49.5 262 47 347.3 347.3 296.1 347.5 0.05 24 202 12376 -52.5 -64.5 22 12.0 -52.8 260 46 348.6 348.6 296.4 348.8 0.03 25 200 12440 -52.5 -66.5 17 14.0 -52.8 260 46 349.6 349.6 296.5 349.7 0.02 26 192 12703 -53.5 -72.5 8 19.0 -53.8 256 47 352.1 352.1 297.1 352.2 0.01 27 150 14240 -66.7 -79.7 14 13.0 -66.8 235 52 355.2 355.2 297.7 355.2 0.00 28 116 15755 -77.9 -85.9 26 8.0 -77.9 232 35 361.5 361.5 299.0 361.5 0.00 29 104 16377 -79.9 -88.9 21 9.0 -79.9 230 28 369.2 369.2 300.4 369.2 0.00 30 100 16600 -79.1 -89.1 18 10.0 -79.1 230 25 374.9 374.9 301.4 374.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5688.00 m Freezing level: 565.28 mb = 4916.65 m = 16130.53 ft Wetbulb zero: 719.73 mb = 2929.74 m = 9611.91 ft Precipitable water: 1.17 inches Sfc-500 mean rel hum: 72.07 % Est. max temperature: 25.48 C = 77.86 F Sfc-Lift cond lev (LCL): 952.25 mb = 597.84 m = 1961.39 ft T: 15.47 C 700-500 lapse rate: 5.28 C/km ThetaE index: 13.89 C Layer 730.0- 700.0 mb Conv cond level (CCL): 864.65 mb = 1412.13 m = 4632.90 ft Mean mixing ratio: 10.21 g/kg Conv temperature: 25.84 C = 78.52 F Cap Strength: 10.44 C Lifted Index: 10.71 C Risk: None Lifted Index @300 mb: 15.32 C Lifted Index @700 mb: 8.25 C Showalter Index: 7.08 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 16.90 C Cross Totals Index: 16.90 C K Index: -12.70 Risk: None Sweat Index: 175.80 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.76 J/kg Max Up Vert Vel: 6.29 m/s Conv Inhibition (B-): 9267.42 J/kg Cap Strength: 10.69 C Lift Cond Lev (LCL): 941.77 mb = 691.80 m = 2269.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 13 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 1021 6 10 1 -0.2 -1.0 | 140 12 -8.0 9.6 1 1000 182 30 3 -1.5 -2.6 | 131 12 -9.3 8.0 2 925 844 150 5 -2.5 4.3 | 145 18 -10.3 14.9 3 850 1556 190 7 1.2 6.9 | 159 19 -6.6 17.5 4 700 3160 305 25 20.5 -14.3 | 287 13 12.7 -3.8 5 500 5870 290 25 23.5 -8.6 | 263 16 15.7 2.0 6 400 7590 270 33 33.0 -0.0 | 247 27 25.2 10.6 7 300 9700 285 40 38.6 -10.4 | 270 31 30.8 0.2 8 250 10960 265 48 47.8 4.2 | 250 43 40.0 14.7 9 200 12440 260 46 45.3 8.0 | 244 42 37.5 18.5 10 150 14240 235 52 42.6 29.8 | 221 53 34.8 40.4 11 100 16600 230 25 19.2 16.1 | 203 29 11.3 26.6 Wind Parameters Mean winds (0-6000m): 293.5 at 17.5 knts Storm direction: 323.5 at 13.1 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 125.1 deg Storm rel helicity (0-3000m) pos: 186.3 neg: -7.9 tot: 178.5 m^2/s^2 ave: 59.5 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 6.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.41 Bulk Shear: 48.67 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 54 3 131 13| 4.0 0.0 4.0| 2.7 -7.9 -5.2 -10.4 -0.30| 5.9 -1.8 1000 119 4 138 17| 3.3 0.0 3.3| 25.8 -7.9 18.0 18.0 0.28| 5.9 1.7 1500 153 5 146 18| 2.7 0.0 2.7| 42.1 -7.9 34.3 22.9 0.44| 5.1 2.3 2000 181 6 155 18| 3.3 0.0 3.3| 81.1 -7.9 73.3 36.6 0.63| 5.8 3.7 2500 216 8 169 17| 3.7 0.0 3.7|132.7 -7.9 124.8 49.9 0.74| 6.9 5.1 3000 261 10 189 12| 4.0 0.0 4.0|186.3 -7.9 178.5 59.5 0.81| 8.1 6.6 4000 291 13 219 7| 3.2 0.2 3.3|203.3 -14.4 188.9 47.2 0.76| 7.0 5.3 5000 294 16 238 8| 2.5 0.4 2.9|203.3 -22.8 180.5 36.1 0.69| 5.8 4.0 6000 294 18 247 9| 2.1 0.6 2.7|203.3 -31.8 171.5 28.6 0.62| 5.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251206.00.gif