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 VVNB... Searching the city database file for: VVNB ... Date:1200Z 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 1016 6 22.0 16.0 69 6.0 18.1 155 1 293.8 295.8 290.6 326.1 11.32 1 1000 146 20.8 16.3 75 4.5 17.8 165 5 294.0 296.1 291.0 327.5 11.73 2 925 814 15.2 14.2 94 1.0 14.6 160 13 294.9 296.8 290.7 326.6 11.07 3 850 1528 11.4 11.4 100 0.0 11.4 210 7 298.1 299.9 290.9 327.2 10.01 4 849 1538 11.4 11.4 100 0.0 11.4 210 7 298.2 300.0 291.0 327.4 10.02 5 840 1627 12.6 11.7 94 0.9 12.0 215 7 300.4 302.3 291.9 330.7 10.34 6 772 2334 10.0 3.0 62 7.0 6.2 250 9 304.9 306.0 289.9 323.6 6.16 7 732 2777 11.2 -30.8 4 42.0 -0.9 272 10 310.9 311.0 286.1 312.3 0.40 8 711 3021 12.4 -32.6 3 45.0 -0.6 284 11 314.8 314.9 287.5 316.1 0.35 9 700 3152 11.6 -35.4 2 47.0 -1.2 290 11 315.3 315.4 287.5 316.3 0.27 10 655 3704 10.2 -31.8 3 42.0 -2.1 290 13 319.8 319.9 289.1 321.3 0.41 11 546 5184 -0.9 -37.9 4 37.0 -9.4 290 20 323.7 323.7 290.2 324.7 0.27 12 500 5880 -4.9 -45.9 2 41.0 -12.4 290 23 327.1 327.1 291.0 327.6 0.13 13 400 7610 -14.3 -39.3 10 25.0 -19.0 255 31 336.4 336.5 293.7 337.6 0.32 14 331 9008 -26.1 -42.1 21 16.0 -28.3 265 38 338.9 339.0 294.3 340.1 0.29 15 300 9710 -31.3 -52.3 11 21.0 -33.1 270 42 341.3 341.3 294.7 341.7 0.10 16 251 10953 -41.3 -60.3 11 19.0 -42.2 260 44 344.3 344.3 295.4 344.5 0.05 17 250 10980 -41.5 -60.5 11 19.0 -42.3 260 44 344.4 344.4 295.4 344.6 0.04 18 233 11451 -46.1 -54.1 40 8.0 -46.5 255 45 344.4 344.4 295.5 344.8 0.10 19 232 11479 -46.1 -54.1 40 8.0 -46.5 255 45 344.8 344.8 295.6 345.3 0.11 20 230 11536 -45.9 -60.9 17 15.0 -46.4 254 45 346.0 346.0 295.8 346.2 0.05 21 224 11711 -46.7 -64.7 11 18.0 -47.3 253 46 347.4 347.4 296.1 347.5 0.03 22 200 12450 -52.3 -67.3 15 15.0 -52.6 245 48 349.9 350.0 296.7 350.0 0.02 23 158 13934 -64.5 -72.5 32 8.0 -64.6 237 45 353.7 353.7 297.4 353.7 0.01 24 150 14250 -66.5 -78.5 17 12.0 -66.6 235 44 355.5 355.5 297.8 355.6 0.01 25 136 14837 -68.5 -85.5 7 17.0 -68.6 240 39 362.1 362.1 299.1 362.1 0.00 26 105 16344 -78.5 -90.5 12 12.0 -78.5 253 27 370.8 370.8 300.7 370.9 0.00 27 100 16620 -79.9 -90.9 14 11.0 -79.9 255 25 373.4 373.4 301.1 373.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 554.84 mb = 5063.94 m = 16613.77 ft Wetbulb zero: 736.89 mb = 2721.92 m = 8930.07 ft Precipitable water: 1.09 inches Sfc-500 mean rel hum: 37.65 % Est. max temperature: 25.58 C = 78.04 F Sfc-Lift cond lev (LCL): 930.12 mb = 766.69 m = 2515.36 ft T: 15.60 C 700-500 lapse rate: 6.05 C/km ThetaE index: 18.45 C Layer 772.0- 711.0 mb Conv cond level (CCL): 907.42 mb = 976.01 m = 3202.09 ft Mean mixing ratio: 11.38 g/kg Conv temperature: 23.78 C = 74.81 F Cap Strength: 9.95 C Lifted Index: 7.80 C Risk: None Lifted Index @300 mb: 10.93 C Lifted Index @700 mb: 8.42 C Showalter Index: 7.68 C Risk: None Total Totals Index: 32.60 C Risk: None Vertical Totals Index: 16.30 C Cross Totals Index: 16.30 C K Index: -19.30 Risk: None Sweat Index: 173.80 Risk: None Energy Index: 0.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.33 J/kg Max Up Vert Vel: 2.16 m/s Conv Inhibition (B-): 7369.02 J/kg Cap Strength: 9.89 C Lift Cond Lev (LCL): 923.76 mb = 825.30 m = 2707.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 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 1016 6 155 1 -0.4 0.9 | 126 11 -8.6 6.2 1 1000 146 165 5 -1.3 4.8 | 137 14 -9.5 10.1 2 925 814 160 13 -4.4 12.2 | 144 22 -12.6 17.5 3 850 1528 210 7 3.5 6.1 | 158 12 -4.7 11.4 4 700 3152 290 11 10.3 -3.8 | 234 3 2.2 1.6 5 500 5880 290 23 21.6 -7.9 | 281 14 13.4 -2.6 6 400 7610 255 31 29.9 8.0 | 239 26 21.8 13.3 7 300 9710 270 42 42.0 -0.0 | 261 34 33.8 5.3 8 250 10980 260 44 43.3 7.6 | 250 37 35.2 13.0 9 200 12450 245 48 43.5 20.3 | 234 44 35.3 25.6 10 150 14250 235 44 36.0 25.2 | 222 41 27.9 30.6 11 100 16620 255 25 24.1 6.5 | 234 20 16.0 11.8 Wind Parameters Mean winds (0-6000m): 273.0 at 13.0 knts Storm direction: 303.0 at 9.7 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 90.8 deg Storm rel helicity (0-3000m) pos: 56.7 neg: 0.0 tot: 56.7 m^2/s^2 ave: 18.9 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 34.09 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 ------------------------------------------------------------------------------- 500 163 6 138 15| 8.6 0.0 8.6| 13.6 0.0 13.6 27.2 0.46| 8.6 3.9 1000 163 9 142 17| 5.4 0.0 5.4| 28.9 0.0 28.9 28.9 0.44| 7.8 3.4 1500 169 9 145 17| 2.3 0.0 2.3| 38.8 0.0 38.8 25.9 0.40| 7.6 3.0 2000 180 9 150 16| 2.1 0.0 2.1| 46.8 0.0 46.8 23.4 0.45| 6.6 3.0 2500 193 9 156 15| 2.0 0.0 2.0| 52.9 0.0 52.9 21.2 0.48| 6.1 2.9 3000 207 9 163 14| 1.9 0.0 1.9| 56.7 0.0 56.7 18.9 0.49| 5.9 2.9 4000 240 10 181 10| 1.7 0.3 2.0| 59.8 0.0 59.8 14.9 0.51| 5.0 2.6 5000 262 11 203 8| 1.4 0.7 2.0| 62.3 0.0 62.3 12.5 0.48| 4.5 2.2 6000 273 13 226 7| 1.1 0.9 2.1| 64.4 -3.2 61.1 10.2 0.43| 4.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251206.12.gif