UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 21 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 133 SFC 961 476 19.8 19.6 99 0.2 19.6 0 0 296.3 299.0 294.3 339.8 15.11 2 925 804 18.6 18.6 100 0.0 18.6 0 0 298.3 301.0 294.6 341.1 14.74 3 923 823 18.4 18.4 100 0.0 18.4 2 0 298.3 301.0 294.5 340.7 14.58 4 900 1041 19.4 16.4 83 3.0 17.4 23 3 301.5 303.9 294.4 340.2 13.15 5 850 1534 15.6 14.9 96 0.7 15.1 70 9 302.5 304.8 294.3 339.9 12.64 6 737 2732 9.0 8.5 97 0.5 8.7 70 10 307.9 309.7 293.5 336.7 9.50 7 727 2846 13.2 0.2 41 13.0 6.1 70 11 313.7 314.7 291.9 330.5 5.34 8 710 3045 12.2 -1.8 38 14.0 4.8 70 11 314.7 315.6 291.6 329.7 4.72 9 700 3164 11.2 -1.8 40 13.0 4.4 70 11 314.9 315.8 291.7 330.1 4.79 10 674 3478 8.0 0.0 57 8.0 3.7 50 10 314.7 315.8 292.4 332.7 5.68 11 671 3515 8.2 -2.8 46 11.0 2.5 48 10 315.4 316.2 291.7 330.2 4.64 12 661 3639 7.4 1.4 66 6.0 4.1 40 9 315.8 317.0 293.3 336.1 6.42 13 584 4650 2.4 -11.6 35 14.0 -3.6 336 6 321.4 321.9 291.8 330.4 2.69 14 502 5859 -4.5 -15.5 42 11.0 -8.7 257 1 327.2 327.6 293.0 335.0 2.28 15 500 5890 -4.5 -17.5 35 13.0 -9.2 255 1 327.6 327.9 292.9 334.3 1.93 16 401 7591 -14.1 -42.1 7 28.0 -19.1 339 5 336.4 336.5 293.7 337.3 0.24 17 400 7610 -14.1 -42.1 7 28.0 -19.1 340 5 336.7 336.7 293.7 337.6 0.24 18 381 7978 -17.5 -28.5 38 11.0 -20.2 321 5 336.9 337.1 294.4 340.4 0.96 19 351 8590 -20.9 -48.9 6 28.0 -24.5 290 6 340.3 340.3 294.5 340.8 0.13 20 321 9244 -26.7 -41.7 23 15.0 -28.7 256 7 341.1 341.2 294.8 342.3 0.31 21 300 9730 -30.1 -46.1 20 16.0 -31.9 230 7 343.0 343.0 295.2 343.8 0.20 22 250 11000 -40.1 -61.1 9 21.0 -41.1 240 9 346.4 346.5 295.9 346.6 0.04 23 238 11332 -43.1 -62.1 11 19.0 -43.9 242 10 346.8 346.8 296.0 347.0 0.04 24 233 11474 -43.7 -66.7 6 23.0 -44.5 243 11 348.0 348.0 296.2 348.1 0.02 25 202 12415 -50.5 -66.5 13 16.0 -50.9 250 15 351.8 351.8 297.0 351.9 0.02 26 200 12480 -51.1 -68.1 11 17.0 -51.5 250 15 351.8 351.9 297.1 351.9 0.02 27 150 14290 -65.7 -76.7 20 11.0 -65.8 240 23 356.9 356.9 298.1 356.9 0.01 28 147 14413 -66.7 -77.7 20 11.0 -66.8 239 23 357.2 357.2 298.1 357.3 0.01 29 130 15145 -73.3 -78.3 46 5.0 -73.3 234 24 358.2 358.2 298.4 358.2 0.01 30 104 16429 -80.7 -87.7 30 7.0 -80.7 225 25 367.7 367.7 300.1 367.7 0.00 31 100 16650 -80.5 -87.5 30 7.0 -80.5 240 13 372.2 372.2 300.9 372.2 0.00 TRP 104 16429 -80.7 -87.7 30 7.0 -80.7 225 25 367.7 367.7 300.1 367.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 555.48 mb = 5070.42 m = 16635.04 ft Wetbulb zero: 619.93 mb = 4162.67 m = 13656.89 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 65.24 % Est. max temperature: 27.68 C = 81.82 F Sfc-Lift cond lev (LCL): 958.49 mb = 498.24 m = 1634.63 ft T: 19.72 C 700-500 lapse rate: 5.76 C/km ThetaE index: 11.41 C Layer 923.0- 700.0 mb Conv cond level (CCL): 862.70 mb = 1406.22 m = 4613.54 ft Mean mixing ratio: 13.88 g/kg Conv temperature: 25.66 C = 78.19 F Cap Strength: 3.92 C Lifted Index: 2.10 C Risk: None Lifted Index @300 mb: 3.75 C Lifted Index @700 mb: 3.39 C Showalter Index: 2.34 C Risk: Showers probable Total Totals Index: 39.50 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 19.40 C K Index: 22.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 197.80 Risk: None Energy Index: -1.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.85 J/kg Max Up Vert Vel: 8.81 m/s Conv Inhibition (B-): 21.38 J/kg Cap Strength: 3.92 C Lift Cond Lev (LCL): 893.96 mb = 1099.39 m = 3606.87 ft Lev Free Conv (LFC): 818.96 mb = 1846.42 m = 6057.74 ft Equ Level (EL): 728.96 mb = 2823.73 m = 9264.10 ft B at Equ Level: 29.95 J/kg Max Parcel Lev (MPL): 708.96 mb = 3057.44 m = 10030.85 ft Wind level data Storm motion: 99 at 5 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 ---------------------------------------------------------- 0 961 476 0 0 -0.0 -0.0 | 279 5 4.6 -0.7 1 925 804 0 0 -0.0 -0.0 | 279 5 4.6 -0.7 2 850 1534 70 9 -8.5 -3.1 | 46 5 -3.9 -3.8 3 700 3164 70 11 -10.3 -3.8 | 52 7 -5.8 -4.5 4 500 5890 255 1 1.0 0.3 | 275 6 5.5 -0.5 5 400 7610 340 5 1.7 -4.7 | 311 8 6.3 -5.4 6 300 9730 230 7 5.4 4.5 | 249 11 9.9 3.8 7 250 11000 240 9 7.8 4.5 | 253 13 12.4 3.8 8 200 12480 250 15 14.1 5.1 | 257 19 18.7 4.4 9 150 14290 240 23 19.9 11.5 | 246 27 24.5 10.8 10 104 16429 225 25 17.7 17.7 | 233 28 22.2 17.0 11 100 16650 240 13 11.3 6.5 | 250 17 15.8 5.8 Wind Parameters Mean winds (0-6000m): 69.1 at 6.2 knts Storm direction: 99.1 at 4.6 knts Shear (0-3000m) pos: 1.6 neg: 0.6 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 103.9 deg Storm rel helicity (0-3000m) pos: 15.0 neg: -7.4 tot: 7.6 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.29 Bulk Shear: 4.69 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 16 0 283 5| 2.2 0.0 2.2| 2.6 0.0 2.6 5.3 0.99| 2.2 2.2 1000 64 3 313 3| 4.3 0.0 4.3| 12.4 0.0 12.4 12.4 1.00| 5.0 5.0 1500 70 5 0 2| 3.3 0.0 3.3| 14.2 0.0 14.2 9.5 0.97| 3.9 3.8 2000 70 6 23 3| 2.5 0.2 2.6| 14.6 0.0 14.6 7.3 0.94| 3.1 2.9 2500 70 7 33 4| 2.0 0.3 2.2| 15.0 0.0 15.0 6.0 0.91| 2.6 2.4 3000 69 8 36 4| 1.6 0.6 2.2| 15.0 -7.4 7.6 2.5 0.47| 2.8 1.3 4000 62 8 27 5| 1.2 1.4 2.6| 15.0 -28.9 -13.9 -3.5 -0.07| 3.4 -0.2 5000 67 7 29 4| 1.0 1.2 2.2| 15.0 -41.6 -26.6 -5.3 -0.23| 3.3 -0.8 6000 69 6 22 3| 0.8 0.9 1.7| 16.2 -42.7 -26.5 -4.4 -0.21| 3.1 -0.6 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251021.00.gif