UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 19 OCT 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1007 19 26.0 23.8 88 2.2 24.4 230 1 298.6 302.0 297.3 353.2 18.74 1 1000 67 25.4 23.1 87 2.3 23.8 275 3 298.5 301.8 296.9 351.2 18.07 2 985 200 24.2 23.1 94 1.1 23.4 294 5 298.6 302.0 297.1 352.1 18.36 3 969 345 25.4 20.4 74 5.0 21.8 315 6 301.3 304.1 296.1 347.6 15.76 4 925 753 22.8 19.5 82 3.3 20.5 15 11 302.6 305.5 296.4 348.8 15.61 5 855 1437 19.4 13.4 68 6.0 15.4 75 11 306.0 308.1 294.3 340.1 11.37 6 850 1488 19.0 14.0 73 5.0 15.7 80 11 306.0 308.3 294.7 341.8 11.91 7 717 2933 10.6 7.8 83 2.8 8.9 80 7 312.1 313.8 294.5 340.8 9.31 8 700 3133 10.0 5.5 74 4.5 7.3 80 7 313.6 315.1 294.0 338.8 8.12 9 540 5249 -1.7 -3.5 87 1.8 -2.6 99 7 323.8 324.8 294.7 341.7 5.48 10 536 5309 -1.7 -7.7 64 6.0 -4.5 100 7 324.5 325.2 293.7 337.7 4.00 11 526 5459 -2.7 -4.0 91 1.3 -3.4 101 7 325.0 326.1 295.0 342.8 5.42 12 502 5829 -4.7 -9.3 70 4.6 -6.8 105 7 326.9 327.7 294.2 339.6 3.77 13 500 5860 -4.9 -6.6 88 1.7 -5.7 105 7 327.1 328.0 295.0 342.6 4.67 14 493 5970 -5.5 -6.5 93 1.0 -6.0 108 7 327.7 328.6 295.2 343.6 4.78 15 490 6018 -5.5 -9.9 71 4.4 -7.5 109 7 328.2 329.0 294.5 340.7 3.68 16 485 6098 -5.7 -7.8 85 2.1 -6.7 110 6 328.9 329.8 295.2 343.7 4.39 17 475 6261 -6.1 -12.1 62 6.0 -8.7 114 6 330.4 331.1 294.6 341.3 3.18 18 464 6443 -7.7 -10.2 82 2.5 -8.8 118 6 330.6 331.4 295.2 343.6 3.80 19 423 7155 -11.9 -20.9 47 9.0 -14.8 135 4 334.1 334.5 294.4 340.2 1.71 20 419 7228 -12.3 -16.2 73 3.9 -13.7 137 4 334.5 335.1 295.2 343.6 2.58 21 418 7246 -12.3 -22.3 43 10.0 -15.4 137 4 334.8 335.1 294.4 340.3 1.53 22 400 7580 -14.3 -21.3 55 7.0 -16.5 145 3 336.4 336.8 295.0 342.7 1.75 23 384 7889 -16.3 -19.1 79 2.8 -17.3 129 4 337.7 338.2 295.6 345.6 2.20 24 330 9018 -22.9 -28.9 58 6.0 -24.3 68 6 343.6 343.8 296.1 347.6 1.06 25 300 9710 -28.5 -35.5 51 7.0 -29.7 30 7 345.2 345.3 296.1 347.6 0.62 26 279 10226 -33.1 -37.6 64 4.5 -33.7 56 8 345.8 345.9 296.2 347.9 0.54 27 250 10990 -38.9 -46.9 43 8.0 -39.6 95 9 348.2 348.3 296.4 349.2 0.22 28 229 11585 -43.9 -50.9 46 7.0 -44.3 107 7 349.5 349.5 296.7 350.1 0.16 29 214 12037 -47.3 -63.3 14 16.0 -47.9 116 6 351.0 351.0 296.9 351.2 0.04 30 200 12480 -51.5 -62.5 26 11.0 -51.8 125 5 351.2 351.2 297.0 351.4 0.04 31 191 12776 -54.3 -64.3 28 10.0 -54.5 104 7 351.4 351.4 297.0 351.5 0.04 32 170 13512 -60.1 -74.1 14 14.0 -60.3 52 12 353.6 353.7 297.4 353.7 0.01 33 162 13810 -62.5 -69.5 38 7.0 -62.6 30 14 354.5 354.5 297.6 354.6 0.02 34 150 14280 -66.3 -75.3 27 9.0 -66.4 355 17 355.9 355.9 297.9 355.9 0.01 35 149 14320 -66.7 -76.7 23 10.0 -66.8 357 17 355.9 355.9 297.9 355.9 0.01 36 120 15590 -77.5 -80.5 62 3.0 -77.5 78 16 358.8 358.8 298.5 358.8 0.01 37 119 15637 -78.1 -81.1 62 3.0 -78.1 81 16 358.5 358.5 298.4 358.6 0.00 38 100 16610 -85.1 -89.0 50 3.9 -85.1 145 15 363.3 363.3 299.4 363.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 563.25 mb = 4941.83 m = 16213.17 ft Wetbulb zero: 582.28 mb = 4634.53 m = 15204.96 ft Precipitable water: 2.24 inches Sfc-500 mean rel hum: 79.08 % Est. max temperature: 33.32 C = 91.97 F Sfc-Lift cond lev (LCL): 975.73 mb = 283.52 m = 930.18 ft T: 24.89 C 700-500 lapse rate: 5.46 C/km ThetaE index: 8.69 C Layer 855.0- 850.0 mb Conv cond level (CCL): 846.62 mb = 1521.79 m = 4992.70 ft Mean mixing ratio: 16.32 g/kg Conv temperature: 33.65 C = 92.57 F Cap Strength: 2.12 C Lifted Index: -1.64 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.31 C Lifted Index @700 mb: -0.39 C Showalter Index: 1.17 C Risk: Showers probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 18.90 C K Index: 33.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 197.00 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 239.43 J/kg Max Up Vert Vel: 21.88 m/s Conv Inhibition (B-): 79.02 J/kg Cap Strength: 2.12 C Lift Cond Lev (LCL): 910.42 mb = 891.19 m = 2923.81 ft Lev Free Conv (LFC): 755.42 mb = 2489.46 m = 8167.43 ft Equ Level (EL): 345.42 mb = 8677.58 m = 28469.42 ft B at Equ Level: 238.35 J/kg Max Parcel Lev (MPL): 165.42 mb = 13680.93 m = 44884.41 ft Wind level data Storm motion: 107 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 1007 19 230 1 0.8 0.6 | 279 7 6.5 -1.1 1 1000 67 275 3 3.0 -0.3 | 283 9 8.7 -2.0 2 925 753 15 11 -2.8 -10.6 | 347 13 2.9 -12.3 3 850 1488 80 11 -10.8 -1.9 | 55 6 -5.1 -3.6 4 700 3133 80 7 -6.9 -1.2 | 22 3 -1.2 -2.9 5 500 5860 105 7 -6.8 1.8 | 96 1 -1.0 0.1 6 400 7580 145 3 -1.7 2.5 | 259 4 4.0 0.8 7 300 9710 30 7 -3.5 -6.1 | 344 8 2.2 -7.8 8 250 10990 95 9 -9.0 0.8 | 74 3 -3.2 -0.9 9 200 12480 125 5 -4.1 2.9 | 234 2 1.6 1.2 10 150 14280 355 17 1.5 -16.9 | 339 20 7.2 -18.6 11 100 16610 145 15 -8.6 12.3 | 165 11 -2.9 10.6 Wind Parameters Mean winds (0-6000m): 76.6 at 8.0 knts Storm direction: 106.6 at 6.0 knts Shear (0-3000m) pos: 2.0 neg: 0.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 106.7 deg Storm rel helicity (0-3000m) pos: 70.1 neg: -2.6 tot: 67.5 m^2/s^2 ave: 22.5 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.8 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 14.55 Bulk Shear: 16.46 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 ------------------------------------------------------------------------------- 500 322 5 303 11| 8.9 0.0 8.9| 22.4 0.0 22.4 44.9 0.70| 11.1 7.8 1000 10 8 335 10| 6.2 0.0 6.2| 55.4 0.0 55.4 55.4 0.83| 11.1 9.1 1500 32 9 353 9| 4.0 0.0 4.0| 70.1 0.0 70.1 46.7 0.83| 10.1 8.4 2000 48 9 8 8| 3.0 0.3 3.3| 70.1 -0.9 69.3 34.6 0.78| 7.9 6.2 2500 56 9 15 7| 2.4 0.5 2.9| 70.1 -1.7 68.4 27.4 0.73| 6.6 4.8 3000 60 9 19 6| 2.0 0.6 2.6| 70.1 -2.6 67.5 22.5 0.68| 5.7 3.8 4000 66 9 21 6| 1.5 0.5 1.9| 70.5 -2.8 67.7 16.9 0.66| 4.4 2.9 5000 71 8 25 5| 1.2 0.4 1.5| 70.8 -2.8 68.1 13.6 0.66| 3.7 2.4 6000 77 8 30 4| 0.9 0.3 1.2| 71.2 -2.8 68.5 11.4 0.67| 3.2 2.1 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251019.00.gif