UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123000.upa.cvt Date: 0000Z 30 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 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 1016 6 19.2 15.2 78 4.0 16.7 285 1 291.0 292.9 289.2 321.4 10.74 1 1000 138 18.2 14.9 81 3.3 16.1 50 1 291.4 293.2 289.2 321.6 10.71 2 931 748 14.4 14.4 100 0.0 14.4 142 10 293.5 295.5 290.3 325.3 11.14 3 925 803 14.2 14.2 100 0.0 14.2 150 11 293.8 295.8 290.4 325.5 11.07 4 850 1515 10.8 10.4 97 0.4 10.6 210 5 297.5 299.2 290.2 324.7 9.36 5 837 1643 10.2 8.4 89 1.8 9.2 214 6 298.1 299.6 289.5 322.4 8.29 6 760 2439 4.4 4.4 100 0.0 4.4 236 13 300.2 301.5 288.9 320.7 6.91 7 757 2471 3.8 1.7 86 2.1 2.7 237 13 299.9 300.9 287.8 316.9 5.72 8 755 2492 4.8 -14.2 24 19.0 -2.1 237 14 301.2 301.5 284.0 306.5 1.69 9 754 2503 8.6 -21.4 10 30.0 -1.2 238 14 305.4 305.6 284.7 308.5 0.92 10 734 2728 13.6 -27.4 4 41.0 0.5 244 16 313.3 313.4 287.1 315.2 0.55 11 700 3125 10.4 -18.6 11 29.0 -0.3 255 19 314.0 314.2 288.2 318.2 1.26 12 598 4412 0.8 -26.2 11 27.0 -7.1 260 25 317.3 317.5 288.7 320.0 0.75 13 548 5109 -2.3 -36.3 5 34.0 -10.1 262 28 321.7 321.8 289.6 322.8 0.31 14 500 5830 -7.3 -37.3 7 30.0 -13.6 265 31 324.1 324.2 290.3 325.3 0.31 15 487 6034 -8.3 -50.3 2 42.0 -14.7 263 33 325.4 325.4 290.5 325.7 0.08 16 427 7039 -14.9 -40.9 9 26.0 -19.3 254 42 329.4 329.5 291.8 330.4 0.25 17 400 7530 -17.5 -41.5 10 24.0 -21.4 250 46 332.2 332.3 292.6 333.2 0.25 18 386 7797 -18.3 -41.3 11 23.0 -22.1 249 49 334.6 334.7 293.2 335.6 0.27 19 346 8606 -24.9 -50.9 7 26.0 -27.6 245 59 336.3 336.3 293.5 336.7 0.10 20 316 9260 -30.3 -34.5 67 4.2 -31.0 242 66 337.6 337.8 294.3 340.1 0.65 21 308 9443 -31.3 -33.4 82 2.1 -31.6 241 69 338.7 338.9 294.7 341.5 0.74 22 304 9536 -30.7 -40.7 37 10.0 -32.0 240 70 340.8 340.9 294.8 342.2 0.36 23 300 9630 -31.5 -40.5 41 9.0 -32.6 240 71 341.0 341.1 294.9 342.4 0.37 24 296 9724 -32.3 -41.3 40 9.0 -33.4 240 70 341.2 341.2 294.9 342.5 0.35 25 293 9796 -31.7 -51.7 12 20.0 -33.4 241 70 343.0 343.0 295.1 343.5 0.11 26 255 10756 -39.7 -66.7 4 27.0 -40.8 244 65 345.1 345.1 295.6 345.2 0.02 27 250 10890 -40.7 -65.7 5 25.0 -41.7 245 64 345.6 345.6 295.7 345.7 0.02 28 233 11364 -44.7 -66.7 7 22.0 -45.4 247 64 346.5 346.5 295.9 346.6 0.02 29 200 12370 -50.9 -75.9 4 25.0 -51.3 250 64 352.2 352.2 297.1 352.2 0.01 30 173 13298 -57.9 -78.9 5 21.0 -58.1 246 74 355.5 355.5 297.8 355.5 0.00 31 164 13633 -61.0 -80.1 6 19.1 -61.2 245 77 355.8 355.8 297.9 355.9 0.00 32 150 14180 -66.1 -82.1 9 16.0 -66.2 245 75 356.2 356.2 298.0 356.2 0.00 33 134 14856 -72.3 -86.3 10 14.0 -72.3 245 64 356.9 356.9 298.1 356.9 0.00 34 130 15035 -70.3 -88.3 5 18.0 -70.4 245 61 363.6 363.6 299.4 363.6 0.00 35 108 16118 -78.1 -91.1 10 13.0 -78.1 245 43 368.6 368.6 300.3 368.6 0.00 36 100 16560 -76.7 -89.7 11 13.0 -76.7 245 36 379.5 379.5 302.2 379.5 0.00 TRP WND 164 13633 -61.0 -80.1 6 19.1 -61.2 245 77 355.8 355.8 297.9 355.9 0.00 Sounding variables and indices 1000-500 mb thick: 5692.00 m Freezing level: 585.10 mb = 4591.77 m = 15064.68 ft Wetbulb zero: 755.87 mb = 2483.04 m = 8146.37 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 44.28 % Est. max temperature: 24.86 C = 76.75 F Sfc-Lift cond lev (LCL): 957.64 mb = 507.44 m = 1664.79 ft T: 15.90 C 700-500 lapse rate: 6.54 C/km ThetaE index: 18.92 C Layer 850.0- 754.0 mb Conv cond level (CCL): 917.09 mb = 875.32 m = 2871.74 ft Mean mixing ratio: 10.91 g/kg Conv temperature: 22.39 C = 72.30 F Cap Strength: 9.65 C Lifted Index: 7.21 C Risk: None Lifted Index @300 mb: 13.04 C Lifted Index @700 mb: 8.56 C Showalter Index: 6.57 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 18.10 C Cross Totals Index: 17.70 C K Index: -0.50 Risk: None Sweat Index: 165.80 Risk: None Energy Index: 0.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.17 J/kg Max Up Vert Vel: 6.03 m/s Conv Inhibition (B-): 24.34 J/kg Cap Strength: 9.55 C Lift Cond Lev (LCL): 941.00 mb = 657.05 m = 2155.64 ft Lev Free Conv (LFC): 806.00 mb = 1954.46 m = 6412.19 ft Equ Level (EL): 756.00 mb = 2481.66 m = 8141.85 ft B at Equ Level: 11.79 J/kg Max Parcel Lev (MPL): 746.00 mb = 2592.41 m = 8505.18 ft Wind level data Storm motion: 283 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 1016 6 285 1 1.0 -0.3 | 103 12 -11.6 2.7 1 1000 138 50 1 -0.8 -0.6 | 100 14 -13.3 2.3 2 925 803 150 11 -5.5 9.5 | 125 22 -18.1 12.5 3 850 1515 210 5 2.5 4.3 | 126 12 -10.1 7.3 4 700 3125 255 19 18.4 4.9 | 216 10 5.8 7.9 5 500 5830 265 31 30.9 2.7 | 253 19 18.3 5.7 6 400 7530 250 46 43.2 15.7 | 239 36 30.7 18.7 7 300 9630 240 71 61.5 35.5 | 232 62 48.9 38.5 8 250 10890 245 64 58.0 27.0 | 237 54 45.4 30.0 9 200 12370 250 64 60.1 21.9 | 242 54 47.6 24.9 10 164 13633 245 77 69.8 32.5 | 238 67 57.2 35.5 11 150 14180 245 75 68.0 31.7 | 238 65 55.4 34.7 12 100 16560 245 36 32.6 15.2 | 228 27 20.1 18.2 Wind Parameters Mean winds (0-6000m): 253.3 at 17.2 knts Storm direction: 283.3 at 12.9 knts Shear (0-3000m) pos: 4.1 neg: 1.3 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 104.3 deg Storm rel helicity (0-3000m) pos: 107.9 neg: -8.7 tot: 99.2 m^2/s^2 ave: 33.1 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 53.07 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 96 3 102 16| 0.0 7.8 7.8| 9.9 -4.5 5.5 10.9 0.09| 8.8 0.8 1000 149 6 118 18| 4.4 3.9 8.2| 61.5 -4.5 57.1 57.1 0.50| 10.4 5.2 1500 158 7 121 17| 3.2 2.6 5.7| 64.2 -8.7 55.5 37.0 0.35| 9.2 3.2 2000 174 7 126 16| 3.5 1.9 5.4| 78.3 -8.7 69.6 34.8 0.44| 8.1 3.6 2500 195 8 134 15| 3.8 1.6 5.4| 92.8 -8.7 84.1 33.6 0.52| 7.5 3.9 3000 217 9 145 12| 4.1 1.3 5.4|107.9 -8.7 99.2 33.1 0.58| 7.3 4.2 4000 238 12 164 10| 3.7 1.0 4.7|120.7 -8.7 112.0 28.0 0.61| 6.2 3.8 5000 247 15 186 9| 3.4 0.8 4.2|132.4 -8.7 123.7 24.7 0.61| 5.4 3.3 6000 253 17 206 9| 3.1 0.4 3.5|143.3 -11.1 132.3 22.0 0.59| 5.0 2.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251230.00.gif