UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 30 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 1012 6 21.6 17.3 77 4.3 18.7 120 3 293.7 296.0 291.5 329.0 12.36 1 1000 111 20.8 17.0 79 3.8 18.3 135 7 294.0 296.1 291.5 329.0 12.28 2 936 679 15.8 15.8 100 0.0 15.8 156 12 294.5 296.6 291.5 329.2 12.15 3 925 780 15.2 15.2 100 0.0 15.2 160 13 294.9 297.0 291.3 328.7 11.82 4 850 1494 12.0 9.3 84 2.7 10.4 215 11 298.7 300.3 290.0 324.1 8.68 5 846 1533 11.8 8.8 82 3.0 10.0 216 12 298.9 300.4 289.9 323.6 8.43 6 796 2041 9.2 7.9 92 1.3 8.5 232 18 301.4 302.9 290.7 326.4 8.43 7 777 2241 8.6 4.1 73 4.5 6.1 238 21 302.8 304.1 289.6 322.7 6.62 8 762 2403 11.8 -16.2 13 28.0 1.2 243 23 308.0 308.3 286.2 312.6 1.41 9 744 2603 12.6 -32.4 3 45.0 -0.2 249 26 311.0 311.0 286.1 312.2 0.34 10 700 3112 10.0 -29.0 5 39.0 -1.6 265 33 313.6 313.7 287.2 315.3 0.50 11 576 4704 0.8 -35.2 5 36.0 -8.0 256 32 320.8 320.8 289.3 322.0 0.33 12 500 5820 -8.7 -36.7 8 28.0 -14.4 250 31 322.4 322.5 289.9 323.7 0.33 13 494 5913 -9.7 -36.7 9 27.0 -15.1 249 32 322.3 322.4 289.8 323.6 0.33 14 486 6038 -10.1 -48.1 3 38.0 -15.9 249 34 323.3 323.4 289.9 323.7 0.10 15 449 6642 -13.7 -31.7 20 18.0 -17.7 245 44 326.2 326.3 291.3 328.4 0.60 16 438 6830 -14.7 -37.7 12 23.0 -18.9 244 47 327.3 327.3 291.3 328.6 0.34 17 418 7181 -16.1 -45.1 6 29.0 -20.4 242 53 329.9 329.9 291.9 330.5 0.16 18 417 7199 -16.3 -37.3 15 21.0 -20.1 242 53 329.9 329.9 292.0 331.3 0.37 19 415 7235 -16.3 -21.3 65 5.0 -17.8 242 54 330.3 330.6 293.4 336.2 1.68 20 406 7399 -17.7 -24.7 54 7.0 -19.6 241 56 330.6 330.8 293.1 335.1 1.27 21 400 7510 -18.3 -39.3 14 21.0 -21.8 240 58 331.2 331.3 292.4 332.4 0.32 22 398 7547 -18.7 -45.7 7 27.0 -22.5 240 58 331.2 331.2 292.2 331.8 0.16 23 382 7852 -21.3 -31.3 40 10.0 -23.4 242 61 331.6 331.8 292.9 334.3 0.73 24 378 7929 -21.5 -34.5 30 13.0 -23.9 243 62 332.4 332.5 292.9 334.4 0.54 25 377 7949 -21.3 -24.9 73 3.6 -22.2 243 62 332.9 333.2 293.7 337.7 1.35 26 375 7988 -21.3 -23.3 84 2.0 -21.8 243 62 333.4 333.7 294.1 339.0 1.56 27 369 8107 -21.7 -21.9 98 0.2 -21.8 244 63 334.4 334.8 294.5 340.8 1.80 28 365 8187 -22.1 -23.6 88 1.5 -22.5 245 64 334.9 335.2 294.4 340.5 1.56 29 363 8227 -21.9 -25.7 71 3.8 -22.8 245 64 335.7 336.0 294.4 340.4 1.30 30 340 8705 -26.3 -26.3 100 0.0 -26.3 248 69 336.1 336.3 294.5 340.8 1.31 31 328 8964 -28.3 -28.6 97 0.3 -28.3 250 71 336.8 337.0 294.5 340.8 1.10 32 327 8985 -28.9 -39.9 34 11.0 -30.4 251 71 336.3 336.3 293.7 337.7 0.36 33 318 9185 -28.9 -50.9 10 22.0 -31.0 252 73 339.0 339.0 294.1 339.4 0.11 34 300 9600 -31.1 -53.1 10 22.0 -33.0 255 77 341.5 341.6 294.8 341.9 0.09 35 296 9695 -31.7 -54.7 8 23.0 -33.5 255 80 342.0 342.0 294.9 342.3 0.08 36 289 9864 -32.9 -56.2 8 23.3 -34.6 255 85 342.6 342.6 295.0 342.9 0.07 37 250 10870 -40.5 -65.5 5 25.0 -41.5 245 83 345.9 345.9 295.7 346.0 0.02 38 230 11433 -45.5 -66.5 8 21.0 -46.2 245 81 346.6 346.6 295.9 346.7 0.02 39 224 11610 -44.5 -71.5 3 27.0 -45.3 245 80 350.8 350.8 296.8 350.8 0.01 40 200 12360 -50.1 -75.1 4 25.0 -50.5 245 77 353.4 353.4 297.4 353.5 0.01 41 162 13704 -61.5 -80.5 6 19.0 -61.6 238 83 356.2 356.2 298.0 356.2 0.00 42 150 14180 -63.5 -86.5 3 23.0 -63.6 235 85 360.7 360.7 298.8 360.7 0.00 43 104 16338 -80.1 -92.1 12 12.0 -80.1 262 62 368.8 368.8 300.4 368.8 0.00 44 100 16560 -78.7 -91.7 10 13.0 -78.7 265 60 375.7 375.7 301.5 375.7 0.00 TRP WND 289 9864 -32.9 -56.2 8 23.3 -34.6 255 85 342.6 342.6 295.0 342.9 0.07 Sounding variables and indices 1000-500 mb thick: 5709.00 m Freezing level: 569.60 mb = 4797.70 m = 15740.30 ft Wetbulb zero: 746.08 mb = 2579.67 m = 8463.39 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 37.62 % Est. max temperature: 25.94 C = 78.70 F Sfc-Lift cond lev (LCL): 950.03 mb = 551.53 m = 1809.44 ft T: 16.92 C 700-500 lapse rate: 6.91 C/km ThetaE index: 14.19 C Layer 777.0- 700.0 mb Conv cond level (CCL): 934.97 mb = 688.78 m = 2259.76 ft Mean mixing ratio: 12.11 g/kg Conv temperature: 22.36 C = 72.25 F Cap Strength: 6.08 C Lifted Index: 3.00 C Risk: None Lifted Index @300 mb: 9.84 C Lifted Index @700 mb: 6.05 C Showalter Index: 5.46 C Risk: None Total Totals Index: 38.70 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 18.00 C K Index: -9.00 Risk: None Sweat Index: 164.60 Risk: None Energy Index: 0.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.54 J/kg Max Up Vert Vel: 3.62 m/s Conv Inhibition (B-): 0.10 J/kg Cap Strength: 6.05 C Lift Cond Lev (LCL): 937.32 mb = 667.25 m = 2189.12 ft Lev Free Conv (LFC): 922.32 mb = 804.46 m = 2639.27 ft Equ Level (EL): 852.32 mb = 1470.94 m = 4825.86 ft B at Equ Level: 5.42 J/kg Max Parcel Lev (MPL): 762.32 mb = 2399.35 m = 7871.79 ft Wind level data Storm motion: 280 at 18 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 1012 6 120 3 -2.6 1.5 | 103 21 -20.5 4.7 1 1000 111 135 7 -4.9 4.9 | 110 24 -22.8 8.1 2 925 780 160 13 -4.4 12.2 | 125 27 -22.3 15.4 3 850 1494 215 11 6.3 9.0 | 136 17 -11.6 12.2 4 700 3112 265 33 32.9 2.9 | 248 16 15.0 6.1 5 500 5820 250 31 29.1 10.6 | 219 18 11.2 13.8 6 400 7510 240 58 50.2 29.0 | 225 46 32.3 32.2 7 300 9600 255 77 74.4 19.9 | 248 61 56.5 23.1 8 289 9864 255 85 82.1 22.0 | 249 69 64.2 25.2 9 250 10870 245 83 75.2 35.1 | 236 69 57.3 38.3 10 200 12360 245 77 69.8 32.5 | 235 63 51.9 35.7 11 150 14180 235 85 69.6 48.8 | 225 73 51.7 51.9 12 100 16560 265 60 59.8 5.2 | 259 43 41.9 8.4 Wind Parameters Mean winds (0-6000m): 250.1 at 24.2 knts Storm direction: 280.1 at 18.2 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 137.1 deg Storm rel helicity (0-3000m) pos: 197.9 neg: 0.0 tot: 197.9 m^2/s^2 ave: 66.0 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 7.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.06 Bulk Shear: 101.81 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 ------------------------------------------------------------------------------- 500 142 8 113 25| 8.3 0.0 8.3| 40.5 0.0 40.5 81.0 0.76| 8.6 6.5 1000 155 10 119 25| 5.7 0.0 5.7| 79.2 0.0 79.2 79.2 0.78| 7.9 6.1 1500 169 11 124 24| 4.1 0.0 4.1| 93.7 0.0 93.7 62.5 0.62| 8.0 5.0 2000 186 12 132 22| 4.9 0.0 4.9|125.9 0.0 125.9 63.0 0.71| 8.0 5.7 2500 207 14 142 19| 5.5 0.0 5.5|159.5 0.0 159.5 63.8 0.78| 8.2 6.4 3000 227 16 157 15| 5.8 0.0 5.8|197.9 0.0 197.9 66.0 0.82| 8.6 7.0 4000 245 20 181 12| 4.5 0.2 4.7|206.6 -11.9 194.7 48.7 0.73| 7.1 5.2 5000 249 23 196 12| 3.6 0.5 4.1|206.6 -25.7 180.9 36.2 0.64| 6.0 3.8 6000 250 24 203 12| 3.0 0.7 3.7|210.9 -36.8 174.1 29.0 0.56| 5.5 3.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251230.12.gif