UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 7 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 1018 6 20.4 18.6 89 1.8 19.2 0 0 292.1 294.4 291.7 329.9 13.36 1 1000 162 19.0 18.2 95 0.8 18.5 85 3 292.1 294.5 291.6 329.7 13.26 2 963 486 16.8 16.6 99 0.2 16.7 119 6 293.1 295.3 291.3 328.5 12.43 3 925 829 15.2 15.0 99 0.2 15.1 155 9 294.9 296.9 291.2 328.3 11.67 4 850 1544 12.2 12.2 100 0.0 12.2 215 5 298.9 300.8 291.6 329.8 10.56 5 774 2323 7.4 6.6 95 0.8 6.9 270 15 301.9 303.3 290.4 325.4 7.92 6 758 2496 10.2 -2.8 40 13.0 3.8 283 17 306.7 307.5 288.5 319.4 4.10 7 738 2719 11.8 -14.2 15 26.0 1.4 299 20 310.8 311.1 287.6 316.5 1.72 8 726 2856 11.6 -21.4 8 33.0 0.1 308 21 312.1 312.2 287.2 315.3 0.95 9 700 3160 10.2 -28.8 5 39.0 -1.5 330 25 313.8 313.9 287.3 315.6 0.51 10 685 3339 10.6 -35.4 2 46.0 -1.8 327 25 316.2 316.2 287.8 317.2 0.27 11 500 5880 -4.5 -42.5 3 38.0 -12.1 285 25 327.6 327.6 291.2 328.3 0.18 12 497 5927 -4.7 -42.7 3 38.0 -12.2 284 25 327.9 327.9 291.3 328.6 0.18 13 452 6666 -10.5 -43.5 5 33.0 -16.3 271 30 329.6 329.7 291.8 330.3 0.18 14 433 6996 -11.9 -24.9 33 13.0 -15.6 266 31 331.9 332.1 293.3 336.1 1.17 15 414 7339 -13.1 -34.1 15 21.0 -17.7 260 33 334.7 334.8 293.4 336.6 0.52 16 400 7600 -15.5 -33.5 20 18.0 -19.4 255 35 334.8 335.0 293.6 337.0 0.57 17 369 8202 -20.9 -34.9 27 14.0 -23.5 256 38 335.5 335.6 293.7 337.5 0.53 18 365 8283 -20.5 -37.5 20 17.0 -23.5 257 38 337.1 337.1 294.0 338.7 0.42 19 345 8696 -24.1 -36.1 32 12.0 -26.2 258 40 337.7 337.8 294.2 339.6 0.51 20 307 9536 -30.3 -56.3 6 26.0 -32.3 260 43 340.4 340.4 294.5 340.7 0.06 21 300 9700 -31.7 -56.7 7 25.0 -33.5 260 44 340.7 340.7 294.6 340.9 0.06 22 255 10826 -41.5 -52.5 29 11.0 -42.2 269 49 342.4 342.4 295.0 342.9 0.12 23 250 10960 -42.7 -55.7 23 13.0 -43.3 270 50 342.6 342.6 295.0 342.9 0.08 24 235 11377 -46.1 -58.1 24 12.0 -46.6 266 51 343.6 343.6 295.3 343.8 0.06 25 200 12440 -52.9 -66.9 17 14.0 -53.2 255 54 349.0 349.0 296.4 349.1 0.02 26 193 12668 -54.1 -72.1 9 18.0 -54.4 252 54 350.7 350.7 296.8 350.7 0.01 27 179 13143 -58.9 -68.9 26 10.0 -59.0 245 55 350.4 350.4 296.7 350.5 0.02 28 175 13284 -59.3 -71.3 20 12.0 -59.5 243 55 352.0 352.0 297.1 352.1 0.01 29 171 13428 -59.5 -76.5 9 17.0 -59.7 241 55 354.1 354.1 297.5 354.1 0.01 30 150 14230 -66.7 -78.7 17 12.0 -66.8 230 56 355.2 355.2 297.7 355.2 0.01 31 142 14560 -69.9 -78.9 26 9.0 -69.9 224 58 355.2 355.2 297.7 355.2 0.01 32 136 14818 -71.5 -81.1 22 9.7 -71.5 220 60 356.9 356.9 298.1 356.9 0.00 33 125 15314 -74.5 -85.5 17 11.0 -74.5 232 47 360.1 360.1 298.7 360.1 0.00 34 122 15457 -71.9 -86.9 9 15.0 -71.9 236 43 367.3 367.3 300.1 367.3 0.00 35 100 16610 -79.9 -91.9 12 12.0 -79.9 265 13 373.4 373.4 301.1 373.4 0.00 TRP WND 136 14818 -71.5 -81.1 22 9.7 -71.5 220 60 356.9 356.9 298.1 356.9 0.00 Sounding variables and indices 1000-500 mb thick: 5718.00 m Freezing level: 555.13 mb = 5122.87 m = 16807.10 ft Wetbulb zero: 724.71 mb = 2870.61 m = 9417.90 ft Precipitable water: 1.20 inches Sfc-500 mean rel hum: 42.64 % Est. max temperature: 26.29 C = 79.32 F Sfc-Lift cond lev (LCL): 991.68 mb = 233.76 m = 766.92 ft T: 18.51 C 700-500 lapse rate: 5.40 C/km ThetaE index: 14.48 C Layer 774.0- 700.0 mb Conv cond level (CCL): 960.33 mb = 509.38 m = 1671.16 ft Mean mixing ratio: 12.53 g/kg Conv temperature: 21.56 C = 70.82 F Cap Strength: 7.59 C Lifted Index: 7.26 C Risk: None Lifted Index @300 mb: 9.30 C Lifted Index @700 mb: 6.25 C Showalter Index: 6.85 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 16.70 C Cross Totals Index: 16.70 C K Index: -10.10 Risk: None Sweat Index: 181.40 Risk: None Energy Index: -0.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.28 J/kg Max Up Vert Vel: 6.37 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 7.56 C Lift Cond Lev (LCL): 960.31 mb = 509.56 m = 1671.75 ft Lev Free Conv (LFC): 955.31 mb = 554.07 m = 1817.79 ft Equ Level (EL): 905.31 mb = 1010.95 m = 3316.74 ft B at Equ Level: 13.28 J/kg Max Parcel Lev (MPL): 745.31 mb = 2636.42 m = 8649.58 ft Wind level data Storm motion: 337 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 1018 6 0 0 -0.0 -0.0 | 157 13 -5.3 12.1 1 1000 162 85 3 -3.0 -0.3 | 145 14 -8.2 11.9 2 925 829 155 9 -3.8 8.2 | 156 22 -9.1 20.3 3 850 1544 215 5 2.9 4.1 | 172 16 -2.4 16.2 4 700 3160 330 25 12.5 -21.7 | 323 12 7.2 -9.5 5 500 5880 285 25 24.1 -6.5 | 253 20 18.9 5.7 6 400 7600 255 35 33.8 9.1 | 233 36 28.6 21.2 7 300 9700 260 44 43.3 7.6 | 243 43 38.1 19.8 8 250 10960 270 50 50.0 -0.0 | 255 46 44.7 12.1 9 200 12440 255 54 52.2 14.0 | 241 54 46.9 26.1 10 150 14230 230 56 42.9 36.0 | 218 61 37.6 48.1 11 136 14818 220 60 38.6 46.0 | 210 67 33.3 58.1 12 100 16610 265 13 13.0 1.1 | 210 15 7.7 13.3 Wind Parameters Mean winds (0-6000m): 306.6 at 17.6 knts Storm direction: 336.6 at 13.2 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 141.7 deg Storm rel helicity (0-3000m) pos: 169.6 neg: -10.8 tot: 158.8 m^2/s^2 ave: 52.9 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 6.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.35 Bulk Shear: 58.49 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 ------------------------------------------------------------------------------- 500 106 4 146 16| 6.3 0.0 6.3| 2.8 -10.8 -8.1 -16.1 -0.31| 8.0 -2.5 1000 144 6 153 19| 4.1 0.0 4.1| 35.3 -10.8 24.5 24.5 0.22| 7.9 1.8 1500 158 6 157 19| 1.8 0.0 1.8| 52.4 -10.8 41.6 27.7 0.32| 7.2 2.3 2000 180 6 164 19| 2.8 0.0 2.8| 85.1 -10.8 74.3 37.1 0.50| 7.3 3.6 2500 222 8 180 18| 3.5 0.0 3.5|126.6 -10.8 115.8 46.3 0.62| 8.0 5.0 3000 285 10 205 10| 4.0 0.0 4.0|169.6 -10.8 158.8 52.9 0.71| 9.1 6.5 4000 317 14 241 5| 3.2 0.5 3.7|183.5 -29.5 154.1 38.5 0.58| 8.1 4.7 5000 313 16 259 6| 2.6 1.1 3.7|183.5 -55.2 128.3 25.7 0.43| 7.3 3.1 6000 307 18 260 9| 2.1 1.5 3.7|183.5 -83.6 99.9 16.7 0.31| 6.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251207.00.gif