UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 22 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 146 SFC 963 471 18.4 17.9 97 0.5 18.1 0 0 294.7 297.1 292.6 333.4 13.52 2 943 651 17.0 17.0 100 0.0 17.0 78 1 295.1 297.4 292.4 332.4 13.03 3 925 816 17.6 16.0 90 1.6 16.5 150 1 297.3 299.6 292.6 333.4 12.46 4 906 994 18.2 14.3 78 3.9 15.7 125 5 299.7 301.8 292.5 333.0 11.38 5 850 1538 14.4 12.0 85 2.4 12.9 50 17 301.2 303.1 292.3 332.0 10.42 6 817 1872 12.8 9.0 78 3.8 10.5 56 15 303.0 304.6 291.5 329.3 8.85 7 745 2641 7.6 6.0 90 1.6 6.6 70 10 305.4 306.9 291.5 329.2 7.90 8 730 2809 8.2 3.8 74 4.4 5.7 74 9 307.8 309.1 291.4 328.9 6.90 9 725 2866 11.0 1.0 50 10.0 5.5 75 9 311.5 312.6 291.5 329.2 5.68 10 716 2970 11.4 0.4 47 11.0 5.4 77 8 313.1 314.1 291.8 330.4 5.51 11 700 3159 10.4 0.4 50 10.0 4.9 80 7 314.0 315.1 292.2 331.7 5.63 12 690 3279 9.4 -0.6 50 10.0 4.1 74 7 314.2 315.2 292.0 331.0 5.31 13 673 3486 10.4 -4.6 34 15.0 2.8 64 7 317.6 318.3 291.9 330.6 4.04 14 605 4363 3.6 -6.4 48 10.0 -1.2 19 7 319.5 320.3 292.3 332.3 3.92 15 545 5205 -0.9 -16.9 29 16.0 -6.9 336 7 323.9 324.2 291.8 330.3 1.87 16 522 5549 -2.9 -15.9 36 13.0 -7.8 318 7 325.5 325.9 292.4 332.7 2.12 17 510 5733 -3.5 -27.5 14 24.0 -10.4 308 7 326.9 327.1 291.6 329.7 0.78 18 500 5890 -4.3 -21.3 25 17.0 -9.9 300 7 327.8 328.1 292.4 332.7 1.40 19 472 6340 -6.9 -17.9 41 11.0 -10.9 300 9 330.0 330.4 293.6 336.9 1.98 20 468 6406 -7.3 -23.3 27 16.0 -12.3 300 9 330.3 330.6 293.0 334.8 1.25 21 457 6591 -8.7 -15.7 57 7.0 -11.3 300 10 330.8 331.3 294.1 339.4 2.46 22 444 6813 -8.9 -29.9 16 21.0 -14.4 300 11 333.3 333.5 293.3 336.0 0.72 23 434 6989 -10.5 -21.5 40 11.0 -14.0 300 12 333.5 333.8 294.1 339.1 1.58 24 400 7610 -14.3 -29.3 27 15.0 -18.1 300 15 336.4 336.6 294.2 339.5 0.85 25 391 7783 -14.5 -36.5 14 22.0 -19.0 300 15 338.3 338.4 294.3 340.0 0.43 26 321 9243 -26.9 -44.9 17 18.0 -29.1 300 15 340.8 340.9 294.7 341.7 0.22 27 313 9425 -26.7 -57.7 4 31.0 -29.4 300 15 343.6 343.6 295.2 343.8 0.05 28 300 9730 -29.1 -53.1 8 24.0 -31.3 300 15 344.4 344.4 295.4 344.8 0.09 29 284 10119 -31.9 -61.9 3 30.0 -33.8 285 16 345.8 345.8 295.7 345.9 0.03 30 250 11010 -37.1 -63.1 5 26.0 -38.5 250 19 350.9 350.9 296.8 351.0 0.03 31 225 11728 -42.3 -68.3 4 26.0 -43.2 233 19 353.7 353.7 297.4 353.8 0.02 32 200 12510 -49.5 -70.5 7 21.0 -50.0 215 19 354.4 354.4 297.6 354.4 0.01 33 150 14330 -65.1 -78.1 15 13.0 -65.2 245 19 357.9 357.9 298.3 358.0 0.01 34 146 14494 -66.9 -77.9 20 11.0 -67.0 241 19 357.6 357.6 298.2 357.6 0.01 35 134 15008 -70.5 -83.5 13 13.0 -70.5 230 18 360.1 360.1 298.7 360.1 0.00 36 100 16690 -83.7 -90.7 28 7.0 -83.7 190 15 366.0 366.0 299.8 366.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5744.00 m Freezing level: 557.00 mb = 5037.00 m = 16525.39 ft Wetbulb zero: 625.36 mb = 4090.64 m = 13420.58 ft Precipitable water: 1.34 inches Sfc-500 mean rel hum: 58.10 % Est. max temperature: 26.70 C = 80.06 F Sfc-Lift cond lev (LCL): 956.17 mb = 531.64 m = 1744.20 ft T: 17.93 C 700-500 lapse rate: 5.38 C/km ThetaE index: 4.44 C Layer 906.0- 725.0 mb Conv cond level (CCL): 837.62 mb = 1661.70 m = 5451.69 ft Mean mixing ratio: 11.92 g/kg Conv temperature: 25.48 C = 77.87 F Cap Strength: 6.75 C Lifted Index: 5.58 C Risk: None Lifted Index @300 mb: 9.38 C Lifted Index @700 mb: 5.05 C Showalter Index: 5.99 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 18.70 C Cross Totals Index: 16.30 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 185.00 Risk: None Energy Index: 0.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.33 J/kg Max Up Vert Vel: 7.92 m/s Conv Inhibition (B-): 59.10 J/kg Cap Strength: 6.67 C Lift Cond Lev (LCL): 883.26 mb = 1210.76 m = 3972.25 ft Lev Free Conv (LFC): 758.26 mb = 2493.71 m = 8181.38 ft Equ Level (EL): 738.26 mb = 2715.81 m = 8910.03 ft B at Equ Level: 29.97 J/kg Max Parcel Lev (MPL): 708.26 mb = 3061.09 m = 10042.83 ft Wind level data Storm motion: 69 at 6 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 ---------------------------------------------------------- 0 963 471 0 0 -0.0 -0.0 | 249 6 5.8 2.3 1 925 816 150 1 -0.5 0.9 | 240 6 5.3 3.1 2 850 1538 50 17 -13.0 -10.9 | 40 11 -7.2 -8.7 3 700 3159 80 7 -6.9 -1.2 | 135 1 -1.1 1.0 4 500 5890 300 7 6.1 -3.5 | 276 12 11.9 -1.2 5 400 7610 300 15 13.0 -7.5 | 286 20 18.8 -5.2 6 300 9730 300 15 13.0 -7.5 | 286 20 18.8 -5.2 7 250 11010 250 19 17.9 6.5 | 250 25 23.7 8.8 8 200 12510 215 19 10.9 15.6 | 223 24 16.7 17.8 9 150 14330 245 19 17.2 8.0 | 246 25 23.1 10.3 10 100 16690 190 15 2.6 14.8 | 206 19 8.4 17.0 Wind Parameters Mean winds (0-6000m): 38.8 at 8.3 knts Storm direction: 68.8 at 6.3 knts Shear (0-3000m) pos: 1.5 neg: 2.3 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 140.9 deg Storm rel helicity (0-3000m) pos: 9.5 neg: -36.9 tot: -27.4 m^2/s^2 ave: -9.1 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.20 Bulk Shear: 9.79 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 ------------------------------------------------------------------------------- 500 138 1 238 6| 4.6 0.0 4.6| 0.2 -6.9 -6.7 -13.4 -0.88| 5.2 -4.6 1000 65 6 277 1| 2.3 7.5 9.8| 0.2 -30.5 -30.3 -30.3 -0.92| 11.2-10.3 1500 54 9 25 3| 1.5 4.6 6.2| 4.3 -36.5 -32.3 -21.5 -0.74| 9.5 -7.1 2000 56 10 36 4| 1.6 3.5 5.1| 7.3 -36.5 -29.2 -14.6 -0.60| 8.1 -4.9 2500 58 10 40 4| 1.7 2.8 4.5| 9.1 -36.5 -27.5 -11.0 -0.49| 7.2 -3.5 3000 59 9 41 4| 1.5 2.3 3.8| 9.5 -36.9 -27.4 -9.1 -0.46| 6.5 -3.0 4000 55 9 27 3| 1.1 2.0 3.1| 9.5 -39.9 -30.3 -7.6 -0.47| 5.7 -2.7 5000 49 8 9 3| 0.9 1.5 2.4| 9.5 -50.0 -40.5 -8.1 -0.50| 5.2 -2.6 6000 39 8 352 4| 0.7 1.3 2.0| 12.6 -56.5 -43.9 -7.3 -0.48| 4.8 -2.3 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251022.00.gif