UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 27 NOV 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 1021 6 23.0 5.0 31 18.0 13.0 15 1 294.4 295.4 285.3 310.0 5.35 1 1000 188 22.4 3.4 29 19.0 12.1 355 7 295.5 296.4 285.3 309.9 4.88 2 925 858 16.2 1.2 36 15.0 8.5 20 11 295.9 296.7 285.0 309.2 4.51 3 850 1568 9.8 -2.2 43 12.0 4.1 35 17 296.4 297.1 284.5 307.8 3.82 4 837 1696 8.8 -4.2 40 13.0 2.9 37 18 296.7 297.3 284.1 306.7 3.34 5 799 2078 7.0 -18.0 15 25.0 -1.3 43 22 298.7 298.9 282.3 302.4 1.16 6 791 2161 7.4 -32.6 4 40.0 -2.5 44 23 300.0 300.1 281.8 301.1 0.31 7 747 2630 5.6 -39.4 2 45.0 -4.1 52 28 303.0 303.0 282.8 303.6 0.17 8 718 2953 4.6 -10.4 33 15.0 -1.5 57 31 305.4 305.8 286.4 312.9 2.41 9 700 3160 6.0 -27.0 7 33.0 -3.6 60 33 309.1 309.2 285.7 311.2 0.60 10 669 3529 4.8 -20.2 14 25.0 -3.6 47 31 311.8 312.0 287.3 315.7 1.15 11 651 3752 7.2 -30.8 5 38.0 -3.6 38 30 317.0 317.1 288.3 318.6 0.45 12 579 4706 2.8 -37.2 3 40.0 -7.0 4 25 322.6 322.7 289.9 323.6 0.27 13 568 4861 3.4 -38.6 3 42.0 -6.8 358 24 325.1 325.2 290.6 326.0 0.24 14 518 5600 -2.1 -41.1 3 39.0 -10.5 331 20 327.2 327.2 291.1 327.9 0.20 15 500 5880 -3.3 -39.3 4 36.0 -11.2 320 19 329.0 329.1 291.7 330.0 0.25 16 471 6351 -5.3 -32.3 10 27.0 -12.2 315 23 332.2 332.3 292.9 334.2 0.54 17 400 7610 -15.7 -32.7 22 17.0 -19.4 300 33 334.6 334.7 293.6 336.9 0.61 18 393 7743 -16.7 -33.7 21 17.0 -20.3 298 33 335.0 335.1 293.6 337.1 0.56 19 303 9649 -28.3 -55.3 6 27.0 -30.7 266 31 344.5 344.5 295.4 344.8 0.07 20 300 9720 -29.1 -55.1 6 26.0 -31.4 265 31 344.4 344.4 295.4 344.7 0.07 21 250 11000 -39.7 -57.7 13 18.0 -40.7 270 29 347.0 347.1 296.0 347.3 0.06 22 248 11055 -40.1 -58.1 13 18.0 -41.1 269 29 347.2 347.3 296.1 347.5 0.06 23 236 11390 -41.3 -68.3 4 27.0 -42.3 265 31 350.4 350.4 296.7 350.5 0.02 24 224 11741 -42.7 -68.7 4 26.0 -43.6 260 32 353.5 353.5 297.4 353.6 0.02 25 200 12490 -49.9 -65.9 14 16.0 -50.3 250 36 353.8 353.8 297.5 353.9 0.03 26 188 12891 -53.9 -66.9 19 13.0 -54.2 241 38 353.6 353.6 297.4 353.7 0.03 27 168 13602 -60.3 -63.5 66 3.2 -60.4 226 42 354.5 354.5 297.6 354.7 0.04 28 161 13866 -62.3 -74.3 19 12.0 -62.4 220 44 355.5 355.5 297.8 355.5 0.01 29 151 14260 -65.3 -70.0 52 4.7 -65.4 211 46 356.9 356.9 298.1 357.0 0.02 30 150 14300 -65.7 -70.3 53 4.6 -65.7 210 46 356.9 356.9 298.1 357.0 0.02 31 140 14716 -69.3 -73.1 58 3.8 -69.4 219 41 357.7 357.7 298.2 357.8 0.01 32 120 15619 -77.5 -82.0 48 4.5 -77.5 240 31 358.8 358.8 298.5 358.8 0.00 33 100 16650 -83.1 -91.1 24 8.0 -83.1 265 19 367.2 367.2 300.1 367.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5692.00 m Freezing level: 537.09 mb = 5318.02 m = 17447.35 ft Wetbulb zero: 810.80 mb = 1957.55 m = 6422.32 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 16.18 % Est. max temperature: 24.89 C = 76.80 F Sfc-Lift cond lev (LCL): 781.66 mb = 2258.24 m = 7408.83 ft T: 7.03 C 700-500 lapse rate: 3.42 C/km ThetaE index: 8.95 C Layer 1000.0- 747.0 mb Conv cond level (CCL): 454.36 mb = 6628.34 m = 21746.26 ft Mean mixing ratio: 4.77 g/kg Conv temperature: 61.61 C = 142.90 F Cap Strength: 18.67 C Lifted Index: 19.24 C Risk: None Lifted Index @300 mb: 24.85 C Lifted Index @700 mb: 10.32 C Showalter Index: 20.41 C Risk: None Total Totals Index: 14.20 C Risk: None Vertical Totals Index: 13.10 C Cross Totals Index: 1.10 C K Index: -22.10 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 4.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.63 J/kg Max Up Vert Vel: 2.69 m/s Conv Inhibition (B-): 12807.07 J/kg Cap Strength: 18.79 C Lift Cond Lev (LCL): 749.87 mb = 2598.50 m = 8525.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 64 at 16 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 1021 6 15 1 -0.3 -1.0 | 247 16 14.5 6.1 1 1000 188 355 7 0.6 -7.0 | 270 15 15.3 0.1 2 925 858 20 11 -3.8 -10.3 | 287 11 11.0 -3.3 3 850 1568 35 17 -9.8 -13.9 | 324 8 5.0 -6.9 4 700 3160 60 33 -28.6 -16.5 | 56 17 -13.9 -9.5 5 500 5880 320 19 12.2 -14.6 | 286 28 26.9 -7.5 6 400 7610 300 33 28.6 -16.5 | 282 44 43.3 -9.5 7 300 9720 265 31 30.9 2.7 | 258 47 45.6 9.7 8 250 11000 270 29 29.0 -0.0 | 261 44 43.7 7.0 9 200 12490 250 36 33.8 12.3 | 248 52 48.6 19.4 10 150 14300 210 46 23.0 39.8 | 219 60 37.7 46.9 11 100 16650 265 19 18.9 1.7 | 256 35 33.7 8.7 Wind Parameters Mean winds (0-6000m): 34.4 at 21.8 knts Storm direction: 64.4 at 16.3 knts Shear (0-3000m) pos: 4.6 neg: 1.4 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 163.1 deg Storm rel helicity (0-3000m) pos: 97.7 neg: 0.0 tot: 97.7 m^2/s^2 ave: 32.6 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 37.09 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 1 7 268 15| 0.0 8.1 8.1| 31.1 0.0 31.1 62.2 0.91| 8.9 8.1 1000 12 8 276 13| 2.3 4.1 6.4| 41.6 0.0 41.6 41.6 0.85| 6.7 5.7 1500 20 10 284 11| 3.2 2.7 5.9| 53.1 0.0 53.1 35.4 0.87| 6.2 5.4 2000 27 13 295 10| 3.9 2.0 5.9| 65.7 0.0 65.7 32.8 0.90| 6.1 5.5 2500 34 15 309 8| 4.3 1.6 5.9| 80.0 0.0 80.0 32.0 0.90| 6.1 5.5 3000 41 17 331 7| 4.6 1.4 5.9| 97.7 0.0 97.7 32.6 0.88| 6.2 5.4 4000 44 21 356 8| 3.4 2.6 6.0|101.8 -73.3 28.5 7.1 0.30| 7.0 2.1 5000 38 22 353 10| 2.7 3.3 6.1|101.8-164.2 -62.4 -12.5 -0.00| 7.4 -0.0 6000 34 22 347 11| 2.3 3.4 5.7|102.6-248.4-145.8 -24.3 -0.14| 7.3 -1.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251127.12.gif