UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 18 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 131 SFC 961 476 20.4 19.9 97 0.5 20.1 0 0 296.9 299.7 294.7 341.4 15.40 2 925 805 18.4 18.4 100 0.0 18.4 15 1 298.1 300.8 294.4 340.4 14.55 3 850 1533 17.4 14.8 85 2.6 15.7 85 7 304.4 306.7 294.7 341.8 12.55 4 810 1944 15.6 11.9 79 3.7 13.2 100 7 306.7 308.7 294.2 339.4 10.87 5 803 2018 16.2 10.2 68 6.0 12.4 103 6 308.1 309.9 293.7 337.8 9.78 6 765 2430 13.4 9.4 77 4.0 10.9 118 6 309.4 311.2 294.1 339.0 9.73 7 700 3176 11.0 1.0 50 10.0 5.5 145 5 314.7 315.8 292.6 333.2 5.89 8 653 3752 7.8 -9.2 29 17.0 0.1 124 5 317.4 317.9 290.8 326.9 2.92 9 652 3765 7.8 -8.2 31 16.0 0.4 124 5 317.5 318.1 291.1 327.8 3.16 10 628 4072 5.2 -5.8 45 11.0 -0.1 113 6 318.0 318.7 291.9 330.8 3.95 11 519 5606 -3.1 -27.1 14 24.0 -10.0 56 7 325.8 325.9 291.3 328.6 0.80 12 500 5900 -5.3 -16.3 42 11.0 -9.4 45 7 326.6 327.0 292.8 333.9 2.14 13 492 6026 -6.5 -15.5 49 9.0 -9.9 40 7 326.6 327.1 292.9 334.6 2.33 14 487 6106 -6.9 -16.9 45 10.0 -10.5 37 7 327.1 327.5 292.9 334.3 2.09 15 460 6549 -8.7 -37.7 8 29.0 -14.8 19 6 330.2 330.3 292.1 331.4 0.32 16 435 6980 -10.5 -38.5 8 28.0 -16.2 1 5 333.2 333.3 292.9 334.5 0.32 17 400 7620 -14.1 -43.1 7 29.0 -19.1 335 3 336.7 336.7 293.7 337.5 0.21 18 358 8453 -19.5 -40.5 14 21.0 -23.1 17 3 340.3 340.3 294.7 341.5 0.31 19 300 9740 -30.1 -48.1 16 18.0 -32.0 85 3 343.0 343.0 295.2 343.6 0.16 20 297 9812 -30.3 -49.3 14 19.0 -32.2 78 3 343.7 343.7 295.3 344.3 0.14 21 274 10379 -35.7 -49.7 22 14.0 -36.8 23 2 343.9 343.9 295.4 344.5 0.15 22 250 11010 -40.5 -53.5 24 13.0 -41.3 320 1 345.9 345.9 295.8 346.3 0.10 23 237 11372 -43.7 -54.7 29 11.0 -44.3 342 2 346.3 346.4 295.9 346.7 0.10 24 218 11928 -48.1 -62.1 18 14.0 -48.6 15 5 347.9 347.9 296.2 348.1 0.04 25 200 12490 -53.1 -63.1 29 10.0 -53.4 50 7 348.7 348.7 296.4 348.9 0.04 26 184 13019 -57.7 -65.7 35 8.0 -57.8 25 7 349.6 349.6 296.6 349.8 0.03 27 161 13843 -64.9 -69.2 55 4.3 -65.0 346 7 351.1 351.1 296.9 351.2 0.02 28 150 14270 -67.3 -75.3 31 8.0 -67.4 325 7 354.2 354.2 297.5 354.2 0.01 29 148 14351 -67.9 -75.9 31 8.0 -67.9 326 7 354.5 354.5 297.6 354.5 0.01 30 137 14811 -71.7 -77.7 40 6.0 -71.7 330 6 355.7 355.7 297.8 355.7 0.01 31 122 15491 -73.7 -82.7 24 9.0 -73.7 337 5 364.0 364.0 299.5 364.0 0.00 32 105 16354 -80.1 -85.1 43 5.0 -80.1 345 3 367.8 367.8 300.2 367.8 0.00 33 100 16630 -79.3 -84.3 43 5.0 -79.3 145 5 374.5 374.5 301.4 374.5 0.00 TRP 105 16354 -80.1 -85.1 43 5.0 -80.1 345 3 367.8 367.8 300.2 367.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 559.71 mb = 5033.12 m = 16512.67 ft Wetbulb zero: 632.99 mb = 4007.59 m = 13148.10 ft Precipitable water: 1.45 inches Sfc-500 mean rel hum: 55.24 % Est. max temperature: 30.01 C = 86.02 F Sfc-Lift cond lev (LCL): 954.28 mb = 536.07 m = 1758.75 ft T: 20.03 C 700-500 lapse rate: 5.98 C/km ThetaE index: 12.13 C Layer 700.0- 652.0 mb Conv cond level (CCL): 820.31 mb = 1836.49 m = 6025.16 ft Mean mixing ratio: 14.14 g/kg Conv temperature: 29.47 C = 85.05 F Cap Strength: 3.01 C Lifted Index: 1.07 C Risk: Showers probable Lifted Index @300 mb: 3.40 C Lifted Index @700 mb: 3.01 C Showalter Index: 0.77 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.10 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 198.60 Risk: None Energy Index: -1.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.97 J/kg Max Up Vert Vel: 7.34 m/s Conv Inhibition (B-): 2674.64 J/kg Cap Strength: 3.04 C Lift Cond Lev (LCL): 899.54 mb = 1045.28 m = 3429.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 115 at 4 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 | 295 4 3.7 -1.7 1 925 805 15 1 -0.3 -1.0 | 308 4 3.5 -2.7 2 850 1533 85 7 -7.0 -0.6 | 54 4 -3.2 -2.4 3 700 3176 145 5 -2.9 4.1 | 200 3 0.9 2.3 4 500 5900 45 7 -4.9 -4.9 | 10 7 -1.2 -6.7 5 400 7620 335 3 1.3 -2.7 | 312 7 5.0 -4.5 6 300 9740 85 3 -3.0 -0.3 | 339 2 0.8 -2.0 7 250 11010 320 1 0.6 -0.8 | 300 5 4.4 -2.5 8 200 12490 50 7 -5.4 -4.5 | 15 6 -1.6 -6.2 9 150 14270 325 7 4.0 -5.7 | 314 11 7.8 -7.5 10 105 16354 345 3 0.8 -2.9 | 316 6 4.5 -4.6 11 100 16630 145 5 -2.9 4.1 | 200 3 0.9 2.3 Wind Parameters Mean winds (0-6000m): 85.1 at 5.5 knts Storm direction: 115.1 at 4.1 knts Shear (0-3000m) pos: 0.9 neg: 0.1 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): -115.5 deg Storm rel helicity (0-3000m) pos: 13.4 neg: -0.4 tot: 12.9 m^2/s^2 ave: 4.3 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.66 Bulk Shear: 3.52 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 22 1 307 4| 2.5 0.0 2.5| 2.9 0.0 2.9 5.7 0.98| 2.6 2.5 1000 69 3 336 3| 3.4 0.0 3.4| 9.1 0.0 9.1 9.1 0.99| 4.2 4.1 1500 84 4 6 2| 2.2 0.0 2.2| 11.1 0.0 11.1 7.4 0.95| 3.7 3.5 2000 92 5 27 2| 1.5 0.0 1.5| 12.1 0.0 12.1 6.1 0.94| 3.3 3.1 2500 99 5 44 1| 1.1 0.0 1.1| 13.0 0.0 13.0 5.2 0.94| 3.0 2.9 3000 105 5 63 1| 0.9 0.1 1.0| 13.4 -0.4 12.9 4.3 0.83| 2.8 2.4 4000 108 5 78 1| 0.7 0.5 1.2| 13.4 -1.9 11.5 2.9 0.52| 2.6 1.3 5000 98 5 57 2| 0.5 0.8 1.3| 13.4 -4.7 8.6 1.7 0.32| 2.5 0.8 6000 85 6 38 3| 0.4 0.8 1.2| 13.4 -12.2 1.2 0.2 0.12| 2.5 0.3 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251018.00.gif