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 VV811... Searching the city database file for: VV811 ... Date:0000Z 9 OCT 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 121 SFC 960 478 22.8 22.1 96 0.7 22.3 0 0 299.4 302.7 296.9 351.2 17.71 2 942 643 21.4 21.4 100 0.0 21.4 345 1 299.6 302.8 296.7 350.1 17.28 3 925 801 20.8 20.8 100 0.0 20.8 330 1 300.6 303.7 296.7 350.3 16.95 4 850 1533 17.8 16.7 93 1.1 17.1 105 7 304.8 307.4 296.0 347.2 14.21 5 826 1779 17.2 14.5 84 2.7 15.4 84 6 306.7 309.0 295.4 344.8 12.67 6 714 3008 9.0 9.0 100 0.0 9.0 339 2 310.7 312.6 294.7 341.8 10.15 7 700 3173 9.0 7.9 93 1.1 8.3 325 1 312.5 314.3 294.8 342.1 9.60 8 698 3197 9.2 7.3 88 1.9 8.0 326 1 312.9 314.7 294.7 341.5 9.24 9 667 3573 7.4 2.4 71 5.0 4.6 344 1 315.0 316.3 293.4 336.5 6.84 10 663 3623 7.0 4.9 86 2.1 5.8 346 1 315.1 316.7 294.5 340.8 8.22 11 581 4701 1.6 -5.4 60 7.0 -1.9 37 2 320.9 321.8 293.2 335.3 4.40 12 555 5069 -1.1 -7.1 64 6.0 -3.9 55 2 321.9 322.7 293.1 335.2 4.05 13 527 5483 -2.1 -14.1 39 12.0 -6.9 75 3 325.5 326.0 292.7 333.8 2.44 14 509 5759 -3.7 -8.7 68 5.0 -6.0 88 3 326.9 327.6 294.3 339.9 3.90 15 502 5868 -4.1 -15.1 42 11.0 -8.4 93 3 327.7 328.1 293.3 335.8 2.36 16 500 5900 -4.3 -15.3 42 11.0 -8.6 95 3 327.8 328.3 293.3 335.8 2.33 17 486 6123 -5.5 -17.5 38 12.0 -9.9 89 3 329.0 329.4 293.3 335.9 1.99 18 469 6402 -6.9 -12.9 62 6.0 -9.4 82 4 330.6 331.2 294.6 341.0 3.02 19 467 6436 -6.7 -18.7 38 12.0 -11.0 81 4 331.3 331.7 293.8 337.9 1.87 20 464 6486 -7.3 -15.3 53 8.0 -10.4 80 4 331.1 331.6 294.3 339.8 2.51 21 455 6639 -8.1 -20.1 37 12.0 -12.2 76 4 332.0 332.3 293.9 338.0 1.70 22 450 6724 -8.5 -16.5 52 8.0 -11.5 74 4 332.5 333.0 294.5 340.7 2.34 23 448 6759 -8.5 -22.5 31 14.0 -13.0 73 4 333.0 333.3 293.8 338.0 1.40 24 447 6776 -8.5 -19.5 41 11.0 -12.3 72 4 333.2 333.6 294.2 339.7 1.83 25 446 6794 -8.7 -14.7 62 6.0 -11.1 72 4 333.1 333.7 295.0 342.7 2.74 26 424 7184 -10.9 -26.9 25 16.0 -15.4 62 4 335.2 335.4 294.0 338.8 1.00 27 410 7442 -12.7 -20.7 51 8.0 -15.3 55 5 336.1 336.5 294.9 342.5 1.79 28 400 7630 -13.9 -21.9 51 8.0 -16.4 50 5 336.9 337.3 295.0 342.9 1.66 29 331 9034 -23.5 -36.5 29 13.0 -25.8 53 9 342.5 342.6 295.4 344.5 0.51 30 300 9740 -29.9 -42.9 27 13.0 -31.5 55 11 343.2 343.3 295.4 344.4 0.29 31 288 10031 -32.5 -43.5 33 11.0 -33.7 59 13 343.6 343.6 295.4 344.7 0.28 32 261 10722 -37.1 -55.1 14 18.0 -38.3 70 17 346.6 346.6 296.0 347.0 0.08 33 250 11020 -39.5 -55.5 17 16.0 -40.5 75 19 347.3 347.4 296.1 347.7 0.08 34 200 12500 -52.1 -63.1 25 11.0 -52.4 55 17 350.3 350.3 296.7 350.4 0.04 35 173 13423 -59.9 -66.9 40 7.0 -60.0 65 15 352.2 352.2 297.1 352.3 0.03 36 163 13792 -63.1 -69.1 44 6.0 -63.2 69 14 352.9 352.9 297.3 353.0 0.02 37 150 14300 -65.9 -74.9 27 9.0 -66.0 75 13 356.6 356.6 298.0 356.6 0.01 38 142 14631 -68.3 -79.3 19 11.0 -68.4 79 14 358.0 358.0 298.3 358.0 0.01 39 116 15817 -77.5 -83.5 37 6.0 -77.5 94 16 362.3 362.3 299.1 362.3 0.00 40 100 16660 -80.9 -85.7 44 4.8 -80.9 105 17 371.4 371.4 300.8 371.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 565.59 mb = 4919.06 m = 16138.46 ft Wetbulb zero: 600.97 mb = 4424.89 m = 14517.17 ft Precipitable water: 1.94 inches Sfc-500 mean rel hum: 79.67 % Est. max temperature: 30.50 C = 86.90 F Sfc-Lift cond lev (LCL): 950.60 mb = 563.53 m = 1848.83 ft T: 22.07 C 700-500 lapse rate: 4.88 C/km ThetaE index: 8.53 C Layer 850.0- 700.0 mb Conv cond level (CCL): 896.29 mb = 1073.96 m = 3523.44 ft Mean mixing ratio: 16.28 g/kg Conv temperature: 25.49 C = 77.88 F Cap Strength: 0.60 C Lifted Index: -1.21 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.27 C Lifted Index @700 mb: -1.45 C Showalter Index: -0.34 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.00 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 217.40 Risk: None Energy Index: -2.25 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 361.57 J/kg Max Up Vert Vel: 26.89 m/s Conv Inhibition (B-): 8.67 J/kg Cap Strength: 0.57 C Lift Cond Lev (LCL): 904.69 mb = 993.15 m = 3258.34 ft Lev Free Conv (LFC): 799.69 mb = 2051.72 m = 6731.28 ft Equ Level (EL): 239.69 mb = 11299.21 m = 37070.44 ft B at Equ Level: 361.40 J/kg Max Parcel Lev (MPL): 129.69 mb = 15162.42 m = 49744.85 ft Wind level data Storm motion: 121 at 2 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 ---------------------------------------------------------- 0 960 478 0 0 -0.0 -0.0 | 301 2 1.8 -1.1 1 925 801 330 1 0.5 -0.9 | 310 3 2.3 -1.9 2 850 1533 105 7 -6.8 1.8 | 98 5 -4.9 0.7 3 700 3173 325 1 0.6 -0.8 | 308 3 2.4 -1.9 4 500 5900 95 3 -3.0 0.3 | 55 1 -1.2 -0.8 5 400 7630 50 5 -3.8 -3.2 | 25 5 -2.0 -4.3 6 300 9740 55 11 -9.0 -6.3 | 44 10 -7.2 -7.4 7 250 11020 75 19 -18.4 -4.9 | 70 18 -16.5 -6.0 8 200 12500 55 17 -13.9 -9.8 | 48 16 -12.1 -10.8 9 150 14300 75 13 -12.6 -3.4 | 68 12 -10.7 -4.4 10 100 16660 105 17 -16.4 4.4 | 103 15 -14.6 3.3 Wind Parameters Mean winds (0-6000m): 90.5 at 2.8 knts Storm direction: 120.5 at 2.1 knts Shear (0-3000m) pos: 1.1 neg: 1.2 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 14.1 deg Storm rel helicity (0-3000m) pos: 12.2 neg: -12.4 tot: -0.2 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 0.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 267.16 Bulk Shear: 1.35 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 ------------------------------------------------------------------------------- 500 345 1 314 3| 2.5 0.0 2.5| 1.6 0.0 1.6 3.2 0.68| 2.8 1.9 1000 83 3 32 2| 3.4 0.0 3.4| 10.9 0.0 10.9 10.9 0.92| 5.7 5.2 1500 92 4 65 2| 2.2 1.1 3.3| 11.9 -4.7 7.2 4.8 0.45| 5.4 2.4 2000 86 4 58 3| 1.7 1.6 3.3| 11.9 -9.1 2.8 1.4 0.17| 5.1 0.8 2500 93 4 65 2| 1.3 1.5 2.9| 11.9 -11.9 0.1 0.0 0.03| 4.6 0.1 3000 96 3 64 2| 1.1 1.2 2.3| 12.2 -12.4 -0.2 -0.1 0.02| 4.0 0.1 4000 86 3 40 2| 1.0 0.9 1.9| 13.4 -12.4 1.0 0.3 0.08| 3.2 0.2 5000 85 3 36 2| 1.0 0.7 1.7| 14.6 -12.4 2.2 0.4 0.14| 2.8 0.4 6000 91 3 44 1| 0.9 0.6 1.5| 15.0 -12.6 2.5 0.4 0.15| 2.5 0.4 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251009.00.gif