UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 3 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 1019 6 22.4 14.4 61 8.0 17.2 10 3 294.0 295.8 289.7 323.1 10.16 1 1000 166 20.6 14.6 68 6.0 16.7 45 9 293.8 295.6 289.9 323.8 10.50 2 925 835 15.6 13.1 85 2.5 14.0 75 13 295.3 297.1 290.2 324.9 10.29 3 913 946 15.2 14.1 93 1.1 14.5 97 11 296.0 298.0 291.2 328.1 11.14 4 876 1297 13.8 13.8 100 0.0 13.8 165 7 298.0 300.1 292.0 331.1 11.40 5 850 1551 12.4 12.4 100 0.0 12.4 215 3 299.1 301.1 291.8 330.4 10.70 6 774 2332 8.0 8.0 100 0.0 8.0 242 8 302.5 304.1 291.3 328.5 8.73 7 742 2680 6.8 3.9 82 2.9 5.2 253 10 304.9 306.2 290.5 325.5 6.84 8 735 2759 9.0 -5.0 37 14.0 2.4 256 10 308.1 308.8 288.5 319.3 3.58 9 732 2793 10.2 -3.8 37 14.0 3.3 257 11 309.8 310.5 289.4 322.2 3.94 10 723 2896 11.2 -2.8 37 14.0 4.1 261 11 312.0 312.8 290.5 325.6 4.30 11 707 3083 11.0 -18.0 11 29.0 0.1 267 12 313.8 314.0 288.1 318.2 1.31 12 700 3166 10.8 -23.2 7 34.0 -0.7 270 13 314.4 314.6 287.9 317.3 0.84 13 658 3678 8.4 -26.6 6 35.0 -2.6 265 14 317.4 317.5 288.6 319.7 0.66 14 655 3716 8.2 -21.8 10 30.0 -2.2 265 15 317.5 317.7 289.0 321.0 1.02 15 653 3741 8.2 -0.8 53 9.0 3.3 265 15 317.8 318.9 293.2 335.5 5.53 16 618 4192 4.2 -1.8 65 6.0 1.0 261 16 318.3 319.3 293.2 335.7 5.43 17 583 4663 1.6 -8.4 47 10.0 -3.0 256 17 320.6 321.3 292.3 332.0 3.48 18 570 4845 3.0 -32.0 6 35.0 -6.6 255 18 324.3 324.4 290.6 326.0 0.46 19 500 5890 -4.5 -34.5 8 30.0 -11.7 245 21 327.6 327.6 291.5 329.1 0.41 20 476 6274 -8.1 -36.1 8 28.0 -14.2 247 22 327.7 327.8 291.5 329.1 0.37 21 454 6641 -8.7 -47.7 3 39.0 -15.3 249 24 331.5 331.5 292.2 331.9 0.11 22 438 6918 -10.5 -51.5 2 41.0 -16.6 251 25 332.6 332.6 292.5 332.9 0.08 23 435 6971 -11.1 -43.1 5 32.0 -16.8 251 25 332.5 332.5 292.6 333.3 0.19 24 433 7006 -11.3 -24.3 33 13.0 -15.1 251 25 332.7 332.9 293.6 337.1 1.24 25 400 7610 -15.1 -34.1 18 19.0 -19.2 255 27 335.4 335.5 293.7 337.4 0.53 26 379 8016 -18.3 -46.3 7 28.0 -22.3 255 27 336.4 336.4 293.6 337.0 0.16 27 349 8628 -22.5 -49.5 7 27.0 -25.8 255 27 338.7 338.7 294.1 339.2 0.12 28 320 9259 -28.3 -39.3 34 11.0 -29.9 255 27 339.2 339.3 294.5 340.7 0.40 29 300 9720 -31.9 -44.9 26 13.0 -33.3 255 27 340.4 340.5 294.6 341.3 0.23 30 278 10252 -36.7 -47.7 31 11.0 -37.6 249 30 341.0 341.0 294.7 341.7 0.18 31 264 10608 -37.9 -56.9 12 19.0 -39.0 244 31 344.3 344.3 295.4 344.6 0.07 32 250 10980 -41.3 -58.3 14 17.0 -42.1 240 33 344.7 344.7 295.5 344.9 0.06 33 223 11742 -48.3 -58.3 31 10.0 -48.7 235 36 345.4 345.4 295.7 345.6 0.07 34 200 12450 -53.1 -68.1 15 15.0 -53.4 230 38 348.7 348.7 296.4 348.8 0.02 35 182 13052 -57.5 -72.5 13 15.0 -57.7 238 38 351.1 351.1 296.8 351.1 0.01 36 150 14250 -66.3 -77.3 20 11.0 -66.4 255 38 355.9 355.9 297.9 355.9 0.01 37 137 14794 -70.5 -79.5 25 9.0 -70.5 253 36 357.8 357.8 298.2 357.8 0.01 38 100 16620 -79.7 -90.7 15 11.0 -79.7 245 27 373.7 373.7 301.2 373.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5724.00 m Freezing level: 542.00 mb = 5262.92 m = 17266.57 ft Wetbulb zero: 706.08 mb = 3093.76 m = 10149.99 ft Precipitable water: 1.37 inches Sfc-500 mean rel hum: 54.66 % Est. max temperature: 26.78 C = 80.20 F Sfc-Lift cond lev (LCL): 905.68 mb = 1014.36 m = 3327.92 ft T: 14.93 C 700-500 lapse rate: 5.62 C/km ThetaE index: 11.77 C Layer 850.0- 732.0 mb Conv cond level (CCL): 838.42 mb = 1665.33 m = 5463.61 ft Mean mixing ratio: 10.39 g/kg Conv temperature: 28.10 C = 82.58 F Cap Strength: 10.42 C Lifted Index: 9.60 C Risk: None Lifted Index @300 mb: 12.14 C Lifted Index @700 mb: 8.64 C Showalter Index: 6.55 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: -4.70 Risk: None Sweat Index: 175.80 Risk: None Energy Index: -0.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.14 J/kg Max Up Vert Vel: 2.51 m/s Conv Inhibition (B-): 7967.00 J/kg Cap Strength: 10.34 C Lift Cond Lev (LCL): 903.94 mb = 1030.67 m = 3381.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 10 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 1019 6 10 3 -0.5 -3.0 | 89 10 -9.6 -0.2 1 1000 166 45 9 -6.4 -6.4 | 77 16 -15.5 -3.6 2 925 835 75 13 -12.6 -3.4 | 88 22 -21.7 -0.6 3 850 1551 215 3 1.7 2.5 | 125 9 -7.4 5.2 4 700 3166 270 13 13.0 -0.0 | 235 5 3.9 2.8 5 500 5890 245 21 19.0 8.9 | 220 15 9.9 11.7 6 400 7610 255 27 26.1 7.0 | 240 20 17.0 9.8 7 300 9720 255 27 26.1 7.0 | 240 20 17.0 9.8 8 250 10980 240 33 28.6 16.5 | 225 27 19.5 19.3 9 200 12450 230 38 29.1 24.4 | 216 34 20.0 27.2 10 150 14250 255 38 36.7 9.8 | 245 30 27.6 12.6 11 100 16620 245 27 24.5 11.4 | 227 21 15.4 14.2 Wind Parameters Mean winds (0-6000m): 257.0 at 12.7 knts Storm direction: 287.0 at 9.5 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 127.1 deg Storm rel helicity (0-3000m) pos: 110.6 neg: -9.3 tot: 101.3 m^2/s^2 ave: 33.8 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 57.32 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 50 9 80 16| 9.7 0.0 9.7| 6.8 -6.9 -0.1 -0.2 -0.09| 10.6 -0.9 1000 65 10 85 19| 5.9 0.0 5.9| 58.5 -6.9 51.6 51.6 0.40| 10.9 4.4 1500 69 9 88 18| 2.3 0.0 2.3| 92.7 -8.7 83.9 55.9 0.43| 12.1 5.2 2000 72 8 91 17| 2.1 0.0 2.1| 98.3 -9.3 89.0 44.5 0.46| 9.9 4.5 2500 76 8 93 17| 2.2 0.0 2.2|104.7 -9.3 95.4 38.2 0.50| 8.7 4.3 3000 22 8 68 13| 2.3 0.0 2.3|110.6 -9.3 101.3 33.8 0.54| 8.0 4.3 4000 277 10 196 2| 1.9 0.2 2.2|112.6 -9.8 102.8 25.7 0.51| 6.6 3.4 5000 265 11 208 4| 1.5 0.6 2.1|112.6 -12.4 100.2 20.0 0.46| 5.7 2.6 6000 257 13 210 7| 1.3 0.8 2.1|114.0 -17.2 96.7 16.1 0.41| 5.1 2.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251203.12.gif