UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 28 OCT 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 11 24.8 16.8 61 8.0 19.4 50 7 296.6 298.8 292.0 331.0 11.92 1 1000 149 23.4 16.4 65 7.0 18.7 45 27 296.5 298.7 291.9 330.6 11.81 2 943 658 18.6 15.2 81 3.4 16.4 41 29 296.7 298.8 291.7 330.2 11.59 3 925 824 18.4 11.4 64 7.0 14.0 40 29 298.1 299.8 290.2 324.9 9.19 4 866 1386 14.8 12.0 83 2.8 13.0 44 18 300.0 301.9 291.7 330.1 10.23 5 850 1544 15.2 13.2 88 2.0 13.9 45 15 302.1 304.1 293.2 335.4 11.29 6 849 1554 15.4 13.7 90 1.7 14.3 45 15 302.4 304.5 293.6 337.0 11.69 7 832 1726 14.2 14.2 100 0.0 14.2 52 14 302.9 305.1 294.1 339.4 12.33 8 745 2659 12.2 10.2 88 2.0 10.9 86 7 310.4 312.4 295.0 342.7 10.55 9 700 3180 9.0 7.9 93 1.1 8.3 105 3 312.5 314.3 294.8 342.1 9.60 10 681 3408 7.2 7.2 100 0.0 7.2 94 3 312.9 314.7 294.8 342.0 9.41 11 636 3970 5.4 2.4 81 3.0 3.7 65 4 317.0 318.4 294.3 339.8 7.18 12 601 4432 2.2 2.2 100 0.0 2.2 42 5 318.5 320.0 294.9 342.3 7.49 13 573 4817 0.6 -1.8 84 2.4 -0.7 22 5 321.0 322.2 294.3 340.0 5.86 14 556 5060 1.8 -13.2 32 15.0 -4.5 9 6 325.2 325.7 292.7 333.7 2.49 15 530 5446 -0.9 -7.9 59 7.0 -4.2 349 6 326.5 327.2 294.3 339.8 3.98 16 500 5910 -3.9 -13.9 46 10.0 -7.9 325 7 328.3 328.8 293.6 337.2 2.61 17 483 6180 -6.3 -16.3 45 10.0 -10.1 320 7 328.6 329.0 293.4 336.3 2.22 18 477 6278 -6.9 -19.9 35 13.0 -11.3 319 7 329.0 329.4 293.0 334.8 1.65 19 457 6609 -8.5 -35.5 9 27.0 -14.6 313 6 331.1 331.2 292.4 332.6 0.41 20 415 7350 -11.5 -41.5 6 30.0 -17.2 300 5 336.5 336.5 293.7 337.4 0.24 21 412 7405 -11.7 -41.7 6 30.0 -17.4 299 5 336.9 337.0 293.8 337.9 0.24 22 400 7630 -13.3 -43.3 6 30.0 -18.6 295 5 337.7 337.7 294.0 338.5 0.21 23 375 8118 -17.7 -39.7 13 22.0 -21.6 293 8 338.2 338.2 294.2 339.4 0.32 24 301 9736 -26.7 -51.7 8 25.0 -29.3 285 17 347.4 347.4 296.1 347.9 0.11 25 300 9760 -26.9 -50.9 8 24.0 -29.5 285 17 347.5 347.5 296.2 348.0 0.12 26 269 10535 -34.1 -47.1 26 13.0 -35.4 348.0 348.0 296.4 348.8 0.20 TRP WND Sounding variables and indices 1000-500 mb thick: 5761.00 m Freezing level: 538.67 mb = 5317.46 m = 17445.52 ft Wetbulb zero: 579.66 mb = 4723.92 m = 15498.23 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 79.56 % Est. max temperature: 28.26 C = 82.87 F Sfc-Lift cond lev (LCL): 903.68 mb = 1022.77 m = 3355.49 ft T: 17.13 C 700-500 lapse rate: 4.73 C/km ThetaE index: 6.10 C Layer 1000.0- 866.0 mb Conv cond level (CCL): 723.73 mb = 2901.10 m = 9517.94 ft Mean mixing ratio: 11.25 g/kg Conv temperature: 39.63 C = 103.34 F Cap Strength: 8.05 C Lifted Index: 7.56 C Risk: None Lifted Index @300 mb: 13.69 C Lifted Index @700 mb: 4.88 C Showalter Index: 4.81 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 19.10 C Cross Totals Index: 17.10 C K Index: 31.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 195.40 Risk: None Energy Index: 0.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.53 J/kg Max Up Vert Vel: 3.61 m/s Conv Inhibition (B-): 2632.66 J/kg Cap Strength: 7.93 C Lift Cond Lev (LCL): 887.95 mb = 1172.50 m = 3846.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 68 at 8 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 11 50 7 -5.4 -4.5 | 304 3 2.2 -1.5 1 1000 149 45 27 -19.1 -19.1 | 36 20 -11.5 -16.1 2 925 824 40 29 -18.6 -22.2 | 30 22 -11.1 -19.2 3 850 1544 45 15 -10.6 -10.6 | 22 8 -3.0 -7.6 4 700 3180 105 3 -2.9 0.8 | 231 6 4.7 3.8 5 500 5910 325 7 4.0 -5.7 | 283 12 11.6 -2.7 6 400 7630 295 5 4.5 -2.1 | 266 12 12.1 0.9 7 300 9760 285 17 16.4 -4.4 | 273 24 24.0 -1.4 Wind Parameters Mean winds (0-6000m): 38.3 at 10.9 knts Storm direction: 68.3 at 8.1 knts Shear (0-3000m) pos: 4.0 neg: 3.2 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): -81.4 deg Storm rel helicity (0-3000m) pos: 19.0 neg: -15.4 tot: 3.6 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 25.35 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 44 25 33 17| 0.0 21.8 21.8| 11.4 -4.9 6.4 12.9 0.51| 25.5 13.0 1000 42 26 32 19| 0.0 9.5 9.5| 11.4 -10.9 0.5 0.5 0.39| 15.3 6.0 1500 42 24 31 17| 3.4 6.3 9.7| 11.4 -15.4 -4.0 -2.7 0.26| 13.6 3.5 2000 44 22 30 15| 3.9 4.8 8.6| 15.0 -15.4 -0.4 -0.2 0.28| 11.7 3.2 2500 46 19 31 12| 4.1 3.8 7.9| 16.8 -15.4 1.4 0.6 0.33| 10.4 3.4 3000 46 17 28 10| 4.0 3.2 7.2| 19.0 -15.4 3.6 1.2 0.35| 9.3 3.3 4000 47 14 22 7| 3.0 2.6 5.6| 22.3 -15.4 6.9 1.7 0.37| 7.5 2.8 5000 45 12 9 6| 2.4 2.3 4.7| 25.8 -15.4 10.5 2.1 0.39| 6.5 2.5 6000 38 11 351 6| 2.0 1.8 3.8| 25.9 -20.4 5.5 0.9 0.33| 5.9 2.0 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251028.00.gif