UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061200.upa.cvt Date: 0000Z 12 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 12 JUN 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 1004 6 28.0 23.8 78 4.2 24.9 335 1 300.8 304.3 297.9 356.1 18.80 1 1000 37 27.8 23.7 78 4.1 24.8 330 1 301.0 304.4 298.0 356.2 18.76 2 961 390 26.4 20.4 70 6.0 22.1 350 10 303.0 305.9 296.7 350.1 15.89 3 925 727 23.4 20.0 81 3.4 21.0 10 19 303.2 306.2 296.8 351.0 16.11 4 886 1103 20.4 19.3 93 1.1 19.6 30 20 303.9 306.9 297.0 351.8 16.11 5 873 1231 21.2 18.8 86 2.4 19.5 37 20 306.0 309.0 297.4 353.5 15.84 6 850 1463 20.0 17.3 84 2.7 18.1 50 21 307.1 309.9 297.0 351.6 14.78 7 700 3114 10.0 7.8 86 2.2 8.6 30 19 313.6 315.4 295.1 343.1 9.54 8 670 3477 7.4 7.3 99 0.1 7.3 33 18 314.6 316.4 295.4 344.6 9.63 9 653 3689 9.0 3.0 66 6.0 5.5 35 18 318.7 320.1 294.8 342.0 7.29 10 557 4988 1.4 -0.7 86 2.1 0.3 47 15 324.6 325.9 295.7 345.9 6.54 11 548 5119 1.0 -3.9 70 4.9 -1.6 48 15 325.6 326.6 295.0 342.9 5.24 12 519 5554 -2.3 -2.7 97 0.4 -2.5 52 14 326.7 327.9 295.9 346.7 6.06 13 500 5850 -3.7 -4.3 96 0.6 -4.0 55 13 328.5 329.6 296.0 347.1 5.57 14 470 6338 -5.7 -9.7 73 4.0 -7.5 58 14 331.9 332.7 295.6 345.2 3.90 15 448 6714 -7.7 -9.7 86 2.0 -8.6 60 14 334.0 334.8 296.2 348.0 4.09 16 425 7123 -9.7 -15.7 62 6.0 -12.1 62 14 336.5 337.0 295.7 345.8 2.65 17 408 7438 -11.9 -14.5 81 2.6 -12.9 64 15 337.6 338.2 296.3 348.3 3.05 18 404 7514 -11.7 -18.7 56 7.0 -14.2 65 15 338.8 339.3 295.8 346.6 2.16 19 401 7571 -12.1 -14.6 82 2.5 -13.1 65 15 339.0 339.7 296.6 349.9 3.08 20 400 7590 -11.9 -15.7 73 3.8 -13.4 65 15 339.5 340.1 296.5 349.5 2.82 21 396 7667 -11.5 -17.5 61 6.0 -13.7 67 15 341.0 341.5 296.6 349.8 2.45 22 380 7982 -13.9 -23.9 43 10.0 -17.0 74 14 341.9 342.2 296.0 347.3 1.46 23 377 8042 -14.7 -23.7 46 9.0 -17.4 75 13 341.6 341.9 296.0 347.1 1.50 24 373 8123 -14.9 -24.9 42 10.0 -17.9 77 13 342.4 342.7 296.1 347.4 1.36 25 367 8246 -15.7 -19.6 72 3.9 -17.0 80 13 342.9 343.4 296.8 350.9 2.21 26 357 8454 -16.9 -28.9 35 12.0 -20.0 85 12 344.0 344.2 296.1 347.8 0.98 27 351 8581 -17.7 -22.6 66 4.9 -19.3 88 11 344.6 345.0 296.9 351.2 1.77 28 337 8885 -19.3 -30.3 37 11.0 -22.0 95 10 346.5 346.7 296.6 350.0 0.91 29 332 8996 -19.5 -27.5 49 8.0 -21.7 97 10 347.7 347.9 297.1 352.3 1.20 30 314 9408 -23.7 -28.5 65 4.8 -24.9 107 8 347.4 347.7 297.0 351.8 1.16 31 311 9478 -24.1 -27.7 72 3.6 -25.0 109 8 347.8 348.1 297.2 352.6 1.26 32 300 9740 -25.9 -30.1 68 4.2 -26.8 115 7 348.9 349.1 297.3 352.9 1.05 33 278 10285 -30.1 -33.2 74 3.1 -30.7 115 7 350.5 350.7 297.4 353.8 0.84 34 250 11030 -35.9 -40.0 66 4.1 -36.4 115 7 352.7 352.8 297.6 354.6 0.47 35 227 11693 -40.7 -45.1 63 4.4 -41.1 124 15 355.2 355.3 298.0 356.5 0.30 36 200 12540 -48.5 -52.2 65 3.7 -48.7 135 25 356.0 356.0 298.0 356.6 0.15 37 178 13297 -54.9 -57.7 71 2.8 -55.0 149 23 357.5 357.6 298.3 357.9 0.09 38 150 14370 -64.3 -68.4 57 4.1 -64.4 170 21 359.3 359.3 298.6 359.4 0.03 39 141 14745 -67.7 -71.4 59 3.7 -67.7 359.8 359.8 298.7 359.9 0.02 40 122 15603 -73.9 -79.9 39 6.0 -73.9 363.7 363.7 299.4 363.7 0.01 41 121 15651 -74.1 -80.1 39 6.0 -74.1 364.2 364.2 299.5 364.2 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5813.00 m Freezing level: 539.21 mb = 5251.21 m = 17228.16 ft Wetbulb zero: 555.74 mb = 5006.47 m = 16425.23 ft Precipitable water: 2.50 inches Sfc-500 mean rel hum: 82.81 % Est. max temperature: 34.11 C = 93.39 F Sfc-Lift cond lev (LCL): 944.98 mb = 538.57 m = 1766.95 ft T: 25.08 C 700-500 lapse rate: 5.01 C/km ThetaE index: 10.40 C Layer 850.0- 670.0 mb Conv cond level (CCL): 830.08 mb = 1664.67 m = 5461.46 ft Mean mixing ratio: 16.63 g/kg Conv temperature: 35.10 C = 95.18 F Cap Strength: 2.05 C Lifted Index: -1.43 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.44 C Lifted Index @700 mb: -1.09 C Showalter Index: -1.32 C Risk: Thunderstorms probable Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.00 C K Index: 38.80 Risk: > 80 % chance of thunderstorms Sweat Index: 262.60 Risk: None Energy Index: -0.97 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 137.07 J/kg Max Up Vert Vel: 16.56 m/s Conv Inhibition (B-): 65.77 J/kg Cap Strength: 1.93 C Lift Cond Lev (LCL): 894.55 mb = 1019.00 m = 3343.13 ft Lev Free Conv (LFC): 749.55 mb = 2532.42 m = 8308.38 ft Equ Level (EL): 649.55 mb = 3732.15 m = 12244.42 ft B at Equ Level: 46.34 J/kg Max Parcel Lev (MPL): 279.55 mb = 10245.48 m = 33613.36 ft Wind level data Storm motion: 67 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 1004 6 335 1 0.4 -0.9 | 252 13 12.0 3.9 1 1000 37 330 1 0.5 -0.9 | 252 13 12.1 4.0 2 925 727 10 19 -3.3 -18.7 | 329 16 8.3 -13.9 3 850 1463 50 21 -16.1 -13.5 | 28 10 -4.5 -8.6 4 700 3114 30 19 -9.5 -16.5 | 350 12 2.1 -11.6 5 500 5850 55 13 -10.6 -7.5 | 340 3 0.9 -2.6 6 400 7590 65 15 -13.6 -6.3 | 54 2 -2.0 -1.5 7 300 9740 115 7 -6.3 3.0 | 214 9 5.2 7.8 8 250 11030 115 7 -6.3 3.0 | 214 9 5.2 7.8 9 200 12540 135 25 -17.7 17.7 | 165 23 -6.1 22.5 10 150 14370 170 21 -3.6 20.7 | 197 27 7.9 25.5 Wind Parameters Mean winds (0-6000m): 37.3 at 16.7 knts Storm direction: 67.3 at 12.6 knts Shear (0-3000m) pos: 3.5 neg: 1.1 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 100.1 deg Storm rel helicity (0-3000m) pos: 113.5 neg: -17.7 tot: 95.9 m^2/s^2 ave: 32.0 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.3 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 6.51 Bulk Shear: 21.07 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 ------------------------------------------------------------------------------- 500 355 7 278 12| 12.7 0.0 12.7| 45.6 0.0 45.6 91.2 0.99| 13.2 13.0 1000 12 12 308 11| 9.8 0.0 9.8| 89.8 0.0 89.8 89.8 0.96| 12.7 12.2 1500 25 15 329 10| 7.1 0.0 7.1|113.5 0.0 113.5 75.7 0.95| 11.4 10.8 2000 32 16 342 10| 5.3 0.6 5.9|113.5 -5.9 107.7 53.8 0.82| 9.2 7.6 2500 34 17 348 10| 4.3 0.9 5.2|113.5 -11.7 101.8 40.7 0.72| 7.8 5.6 3000 34 18 350 10| 3.5 1.1 4.7|113.5 -17.7 95.9 32.0 0.63| 6.9 4.3 4000 34 18 350 10| 2.5 0.8 3.4|115.0 -18.9 96.1 24.0 0.58| 5.6 3.3 5000 35 17 351 9| 1.9 0.7 2.6|115.2 -19.0 96.2 19.2 0.54| 4.8 2.6 6000 37 17 350 9| 1.5 0.6 2.1|115.3 -19.7 95.6 15.9 0.50| 4.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250612.00.gif