UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 4 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 1020 6 20.2 12.2 60 8.0 15.3 50 1 291.7 293.3 287.6 316.7 8.78 1 1000 177 18.6 12.6 68 6.0 14.9 45 7 291.8 293.4 288.1 317.9 9.20 2 925 841 14.4 12.9 91 1.5 13.5 120 9 294.0 295.9 289.7 323.1 10.16 3 919 896 14.0 13.2 95 0.8 13.5 124 9 294.2 296.0 290.0 324.0 10.43 4 873 1329 11.8 11.8 100 0.0 11.8 158 8 296.2 298.0 290.3 325.2 10.01 5 850 1553 10.6 10.6 100 0.0 10.6 175 7 297.3 299.0 290.2 324.8 9.48 6 787 2192 7.6 6.2 91 1.4 6.8 203 11 300.7 302.0 289.7 323.1 7.58 7 776 2308 7.6 5.0 84 2.6 6.1 208 12 301.9 303.2 289.6 322.9 7.06 8 770 2372 8.8 4.5 74 4.3 6.4 211 12 303.8 305.1 290.1 324.5 6.87 9 764 2438 12.0 -8.0 24 20.0 3.0 213 12 308.0 308.5 287.6 316.6 2.74 10 753 2559 13.4 -12.6 15 26.0 2.5 219 13 310.8 311.1 287.8 317.0 1.93 11 728 2843 12.8 -23.2 6 36.0 0.5 231 15 313.1 313.3 287.4 315.9 0.81 12 700 3172 11.2 -23.8 7 35.0 -0.6 245 17 314.9 315.0 288.0 317.6 0.80 13 681 3401 9.6 -26.4 6 36.0 -1.8 247 17 315.6 315.7 288.1 317.9 0.65 14 673 3499 9.4 -25.6 6 35.0 -1.9 247 17 316.4 316.6 288.4 318.9 0.71 15 672 3512 9.4 -14.6 17 24.0 -0.3 247 17 316.6 316.9 289.6 322.7 1.83 16 668 3561 8.8 -4.2 40 13.0 2.2 248 18 316.4 317.2 291.7 329.9 4.19 17 605 4370 0.8 -5.2 64 6.0 -2.1 254 19 316.3 317.1 291.7 330.1 4.29 18 584 4653 0.4 -10.6 43 11.0 -4.3 256 19 319.0 319.6 291.3 328.7 2.92 19 575 4778 0.4 -15.6 29 16.0 -5.7 257 19 320.5 320.8 290.9 327.1 1.97 20 527 5474 -2.5 -34.5 6 32.0 -10.3 262 20 325.1 325.1 290.7 326.5 0.39 21 507 5780 -4.9 -34.9 7 30.0 -11.9 264 21 325.8 325.8 290.9 327.2 0.39 22 500 5890 -4.1 -38.1 5 34.0 -11.6 265 21 328.0 328.1 291.5 329.1 0.29 23 488 6080 -4.9 -45.9 2 41.0 -12.5 263 22 329.3 329.4 291.7 329.9 0.13 24 419 7251 -14.3 -27.3 32 13.0 -17.7 249 27 332.0 332.2 293.2 335.5 0.97 25 400 7600 -16.7 -31.7 26 15.0 -20.0 245 29 333.3 333.4 293.3 335.8 0.67 26 340 8802 -25.5 -38.5 29 13.0 -27.5 242 32 337.2 337.2 294.0 338.7 0.40 27 300 9700 -31.3 -53.3 10 22.0 -33.1 240 35 341.3 341.3 294.7 341.6 0.09 28 272 10389 -35.7 -60.7 6 25.0 -37.1 245 36 344.6 344.6 295.4 344.7 0.04 29 250 10970 -40.7 -63.7 7 23.0 -41.6 250 36 345.6 345.6 295.7 345.7 0.03 30 200 12450 -52.9 -70.9 10 18.0 -53.2 255 36 349.0 349.0 296.4 349.1 0.01 31 164 13697 -63.3 -74.3 21 11.0 -63.4 248 46 351.9 351.9 297.1 352.0 0.01 32 150 14240 -66.7 -79.7 14 13.0 -66.8 245 50 355.2 355.2 297.7 355.2 0.00 33 143 14528 -68.3 -81.3 14 13.0 -68.4 249 48 357.3 357.3 298.2 357.3 0.00 34 100 16610 -80.5 -92.5 12 12.0 -80.5 275 31 372.2 372.2 300.9 372.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5713.00 m Freezing level: 568.38 mb = 4874.19 m = 15991.23 ft Wetbulb zero: 715.03 mb = 2993.99 m = 9822.68 ft Precipitable water: 1.19 inches Sfc-500 mean rel hum: 50.70 % Est. max temperature: 24.90 C = 76.82 F Sfc-Lift cond lev (LCL): 905.94 mb = 1016.86 m = 3336.12 ft T: 13.39 C 700-500 lapse rate: 5.63 C/km ThetaE index: 7.87 C Layer 764.0- 753.0 mb Conv cond level (CCL): 854.13 mb = 1512.34 m = 4961.70 ft Mean mixing ratio: 9.58 g/kg Conv temperature: 25.60 C = 78.09 F Cap Strength: 11.02 C Lifted Index: 12.29 C Risk: None Lifted Index @300 mb: 15.56 C Lifted Index @700 mb: 10.77 C Showalter Index: 9.71 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 14.70 C Cross Totals Index: 14.70 C K Index: -9.70 Risk: None Sweat Index: 162.20 Risk: None Energy Index: 1.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.79 J/kg Max Up Vert Vel: 3.40 m/s Conv Inhibition (B-): 8876.44 J/kg Cap Strength: 10.94 C Lift Cond Lev (LCL): 909.97 mb = 979.44 m = 3213.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 11 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 1020 6 50 1 -0.8 -0.6 | 91 11 -11.5 0.2 1 1000 177 45 7 -4.9 -4.9 | 75 16 -15.6 -4.1 2 925 841 120 9 -7.8 4.5 | 106 19 -18.5 5.3 3 850 1553 175 7 -0.6 7.0 | 125 14 -11.3 7.8 4 700 3172 245 17 15.4 7.2 | 211 9 4.7 8.0 5 500 5890 265 21 20.9 1.8 | 256 11 10.2 2.6 6 400 7600 245 29 26.3 12.3 | 230 20 15.6 13.1 7 300 9700 240 35 30.3 17.5 | 227 27 19.6 18.3 8 250 10970 250 36 33.8 12.3 | 240 27 23.1 13.1 9 200 12450 255 36 34.8 9.3 | 247 26 24.1 10.1 10 150 14240 245 50 45.3 21.1 | 238 41 34.6 21.9 11 100 16610 275 31 30.9 -2.7 | 275 20 20.2 -1.9 Wind Parameters Mean winds (0-6000m): 244.3 at 14.3 knts Storm direction: 274.3 at 10.7 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 119.3 neg: -12.4 tot: 106.9 m^2/s^2 ave: 35.6 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 56.08 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 61 6 82 16| 7.4 0.0 7.4| 18.5 -12.4 6.2 12.3 0.05| 11.0 0.5 1000 92 7 93 18| 4.4 0.0 4.4| 55.4 -12.4 43.0 43.0 0.43| 9.4 4.0 1500 113 8 102 18| 2.6 0.0 2.6| 71.0 -12.4 58.6 39.1 0.48| 8.2 3.9 2000 134 8 111 17| 2.7 0.0 2.7| 85.9 -12.4 73.6 36.8 0.55| 7.2 4.0 2500 159 8 122 16| 2.9 0.0 2.9|102.5 -12.4 90.1 36.1 0.62| 6.9 4.2 3000 187 9 137 14| 2.9 0.0 2.9|119.3 -12.4 106.9 35.6 0.67| 6.8 4.6 4000 220 11 161 10| 2.5 0.0 2.5|130.5 -12.4 118.1 29.5 0.70| 5.7 4.0 5000 235 13 179 8| 2.1 0.0 2.1|137.6 -12.4 125.2 25.0 0.72| 4.8 3.5 6000 244 14 197 7| 1.9 0.0 1.9|144.3 -13.4 130.9 21.8 0.72| 4.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251204.00.gif