UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 9 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 1012 9 27.8 24.4 82 3.4 25.3 70 3 299.9 303.5 298.0 356.7 19.35 1 1000 114 26.8 23.9 84 2.9 24.7 85 9 300.0 303.4 297.8 355.7 19.00 2 958 492 23.4 22.2 93 1.2 22.5 104 9 300.2 303.5 297.2 352.6 17.86 3 949 575 24.2 19.6 76 4.6 20.9 109 9 301.8 304.6 296.0 346.9 15.30 4 925 800 23.2 18.3 74 4.9 19.8 120 9 303.0 305.7 295.7 345.9 14.46 5 909 953 23.0 14.0 57 9.0 17.0 114 9 304.3 306.4 293.7 337.5 11.12 6 864 1393 19.2 15.2 78 4.0 16.5 96 7 304.8 307.2 295.0 342.7 12.67 7 850 1534 18.4 13.4 73 5.0 15.1 90 7 305.4 307.5 294.3 339.7 11.44 8 836 1676 17.2 11.2 68 6.0 13.4 91 7 305.6 307.5 293.3 335.8 10.04 9 743 2676 12.6 4.6 58 8.0 7.9 97 10 311.1 312.4 292.6 333.3 7.17 10 738 2733 12.8 0.8 44 12.0 6.2 97 10 311.9 313.0 291.5 329.1 5.50 11 719 2952 11.2 7.2 76 4.0 8.8 99 10 312.5 314.2 294.3 340.0 8.90 12 703 3140 10.6 1.6 54 9.0 5.6 100 11 313.8 315.0 292.6 333.1 6.12 13 700 3176 10.4 3.4 62 7.0 6.3 100 11 314.0 315.3 293.3 335.9 7.00 14 690 3296 10.0 4.0 66 6.0 6.5 101 11 314.9 316.3 293.9 338.1 7.41 15 665 3602 9.2 -2.8 43 12.0 2.9 102 10 317.3 318.2 292.3 332.3 4.68 16 637 3958 6.8 -2.2 53 9.0 2.1 104 10 318.5 319.5 293.0 334.9 5.11 17 601 4434 4.8 -13.2 26 18.0 -2.7 107 9 321.5 322.0 291.5 329.2 2.30 18 597 4489 4.4 -14.6 24 19.0 -3.3 107 9 321.7 322.1 291.3 328.6 2.06 19 578 4751 2.2 -6.8 51 9.0 -2.1 109 9 322.1 322.9 293.1 335.2 3.98 20 576 4779 2.2 -10.8 38 13.0 -3.5 109 9 322.4 323.0 292.3 332.1 2.91 21 572 4835 1.8 -6.2 55 8.0 -2.1 109 9 322.6 323.4 293.4 336.4 4.21 22 567 4906 1.6 -17.4 23 19.0 -5.5 109 8 323.2 323.5 291.5 329.1 1.72 23 545 5224 -0.5 -8.5 55 8.0 -4.2 111 8 324.3 325.1 293.5 336.6 3.69 24 525 5523 -1.5 -18.5 26 17.0 -7.7 113 8 326.6 327.0 292.4 332.5 1.69 25 500 5910 -4.5 -16.5 39 12.0 -9.0 115 7 327.6 328.0 293.0 334.8 2.10 26 496 5973 -4.9 -14.9 45 10.0 -8.8 114 7 327.8 328.3 293.3 336.1 2.42 27 486 6133 -5.1 -19.1 32 14.0 -10.1 112 8 329.5 329.8 293.2 335.6 1.74 28 484 6165 -5.5 -13.5 53 8.0 -8.8 111 8 329.4 329.9 294.0 338.9 2.79 29 480 6230 -5.5 -25.5 19 20.0 -11.5 110 8 330.2 330.4 292.7 333.8 1.00 30 476 6295 -6.1 -16.1 45 10.0 -9.9 109 8 330.2 330.7 293.9 338.2 2.29 31 473 6344 -6.3 -24.3 23 18.0 -11.8 109 8 330.6 330.8 293.0 334.6 1.13 32 469 6411 -6.7 -16.7 45 10.0 -10.5 108 9 330.9 331.3 294.0 338.6 2.21 33 457 6612 -7.9 -25.9 22 18.0 -13.2 105 9 331.8 332.0 293.2 335.5 1.01 34 444 6835 -10.1 -23.1 34 13.0 -14.1 102 10 331.8 332.1 293.4 336.6 1.34 35 423 7206 -12.3 -34.3 14 22.0 -17.1 96 11 333.6 333.7 293.2 335.5 0.49 36 417 7314 -12.3 -36.3 12 24.0 -17.4 95 12 335.0 335.1 293.4 336.6 0.41 37 400 7630 -15.1 -36.1 15 21.0 -19.4 90 13 335.4 335.5 293.6 337.0 0.44 38 382 7976 -18.3 -39.3 14 21.0 -22.0 86 14 335.6 335.7 293.6 336.9 0.33 39 371 8194 -19.5 -43.5 10 24.0 -23.1 83 15 336.8 336.9 293.7 337.7 0.22 40 340 8836 -24.7 -46.7 11 22.0 -27.4 76 18 338.2 338.3 294.0 338.9 0.17 41 334 8965 -25.1 -38.1 29 13.0 -27.2 74 18 339.4 339.5 294.6 341.1 0.43 42 327 9119 -25.3 -54.3 5 29.0 -28.2 72 19 341.2 341.2 294.7 341.5 0.07 43 308 9552 -28.1 -57.1 4 29.0 -30.5 67 20 343.2 343.2 295.1 343.4 0.06 44 300 9740 -29.5 -56.5 6 27.0 -31.7 65 21 343.8 343.8 295.3 344.1 0.06 45 250 11010 -40.3 -53.3 24 13.0 -41.1 50 17 346.2 346.2 295.8 346.6 0.11 46 227 11663 -46.1 -57.1 28 11.0 -46.6 63 16 347.0 347.0 296.0 347.3 0.07 47 206 12307 -49.9 -65.9 14 16.0 -50.3 76 15 350.8 350.8 296.8 350.9 0.03 48 200 12500 -51.5 -66.5 15 15.0 -51.8 80 15 351.2 351.2 296.9 351.3 0.02 49 185 12999 -55.3 -74.3 8 19.0 -55.6 80 17 353.0 353.0 297.3 353.0 0.01 50 163 13792 -61.7 -75.7 14 14.0 -61.9 80 21 355.2 355.2 297.7 355.3 0.01 51 150 14300 -65.7 -72.7 37 7.0 -65.8 80 23 356.9 356.9 298.1 357.0 0.01 52 142 14631 -68.7 -72.9 55 4.2 -68.7 85 23 357.3 357.3 298.2 357.4 0.01 53 126 15338 -74.1 -81.1 33 7.0 -74.1 95 24 360.0 360.0 298.7 360.0 0.00 54 100 16670 -78.7 -84.7 37 6.0 -78.7 115 25 375.7 375.7 301.5 375.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 550.24 mb = 5148.61 m = 16891.55 ft Wetbulb zero: 621.49 mb = 4159.50 m = 13646.48 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 56.13 % Est. max temperature: 32.81 C = 91.05 F Sfc-Lift cond lev (LCL): 963.78 mb = 439.35 m = 1441.41 ft T: 23.88 C 700-500 lapse rate: 5.45 C/km ThetaE index: 19.17 C Layer 1000.0- 864.0 mb Conv cond level (CCL): 868.75 mb = 1345.76 m = 4415.16 ft Mean mixing ratio: 16.74 g/kg Conv temperature: 32.68 C = 90.82 F Cap Strength: 2.77 C Lifted Index: -1.77 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.39 C Lifted Index @700 mb: -0.34 C Showalter Index: 2.39 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 17.90 C K Index: 29.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 181.80 Risk: None Energy Index: -0.89 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 541.08 J/kg Max Up Vert Vel: 32.90 m/s Conv Inhibition (B-): 50.37 J/kg Cap Strength: 2.60 C Lift Cond Lev (LCL): 914.79 mb = 896.99 m = 2942.85 ft Lev Free Conv (LFC): 829.79 mb = 1739.50 m = 5706.95 ft Equ Level (EL): 679.79 mb = 3419.53 m = 11218.81 ft B at Equ Level: 32.26 J/kg Max Parcel Lev (MPL): 119.79 mb = 15628.76 m = 51274.83 ft Wind level data Storm motion: 133 at 7 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 1012 9 70 3 -2.8 -1.0 | 340 6 2.0 -5.5 1 1000 114 85 9 -9.0 -0.8 | 38 7 -4.1 -5.3 2 925 800 120 9 -7.8 4.5 | 90 3 -2.9 0.0 3 850 1534 90 7 -7.0 0.0 | 26 5 -2.1 -4.5 4 700 3176 100 11 -10.8 1.9 | 67 7 -6.0 -2.6 5 500 5910 115 7 -6.3 3.0 | 44 2 -1.5 -1.5 6 400 7630 90 13 -13.0 0.0 | 61 9 -8.1 -4.5 7 300 9740 65 21 -19.0 -8.9 | 47 19 -14.2 -13.4 8 250 11010 50 17 -13.0 -10.9 | 28 17 -8.2 -15.4 9 200 12500 80 15 -14.8 -2.6 | 54 12 -9.9 -7.1 10 150 14300 80 23 -22.7 -4.0 | 65 20 -17.8 -8.5 11 100 16670 115 25 -22.7 10.6 | 109 19 -17.8 6.1 Wind Parameters Mean winds (0-6000m): 102.7 at 8.8 knts Storm direction: 132.7 at 6.6 knts Shear (0-3000m) pos: 1.7 neg: 0.5 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 83.6 deg Storm rel helicity (0-3000m) pos: 18.8 neg: -3.9 tot: 14.9 m^2/s^2 ave: 5.0 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.7 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 1766.01 Bulk Shear: 0.31 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 93 8 41 5| 7.0 0.0 7.0| 12.1 0.0 12.1 24.1 0.90| 9.7 8.8 1000 104 9 56 4| 3.3 0.0 3.3| 13.7 -1.1 12.7 12.7 0.69| 6.7 4.6 1500 104 8 52 4| 2.2 1.0 3.3| 13.7 -3.9 9.9 6.6 0.39| 5.5 2.2 2000 101 8 47 4| 1.9 0.8 2.7| 15.2 -3.9 11.3 5.7 0.43| 4.4 1.9 2500 100 8 47 5| 1.8 0.6 2.4| 16.9 -3.9 13.1 5.2 0.46| 3.8 1.8 3000 99 9 49 5| 1.7 0.5 2.3| 18.8 -3.9 14.9 5.0 0.49| 3.4 1.7 4000 100 9 54 5| 1.3 0.4 1.7| 19.5 -3.9 15.6 3.9 0.47| 2.8 1.3 5000 101 9 56 5| 0.9 0.3 1.2| 19.5 -4.3 15.2 3.0 0.42| 2.4 1.0 6000 103 9 56 5| 0.7 0.3 1.0| 19.6 -4.8 14.8 2.5 0.37| 2.2 0.8 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251009.00.gif