UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 20 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 26.8 24.3 86 2.5 25.0 330 1 299.4 302.9 297.9 355.9 19.33 1 1000 64 26.2 24.3 89 1.9 24.8 320 3 299.4 302.9 298.0 356.3 19.47 2 985 198 25.0 23.7 93 1.3 24.0 322 4 299.4 302.9 297.7 355.2 19.06 3 971 324 25.8 19.8 70 6.0 21.6 324 5 301.5 304.3 295.7 346.0 15.14 4 925 751 22.8 20.1 85 2.7 20.9 330 9 302.6 305.6 296.8 350.6 16.22 5 878 1205 20.4 17.3 82 3.1 18.2 19 4 304.7 307.3 296.0 347.3 14.30 6 862 1365 20.6 15.8 74 4.8 17.3 37 2 306.5 309.0 295.8 346.2 13.21 7 850 1486 19.8 16.0 79 3.8 17.2 50 1 306.9 309.4 296.1 347.8 13.58 8 766 2376 13.8 11.7 87 2.1 12.4 50 5 309.7 311.8 295.3 344.3 11.35 9 700 3133 10.4 6.5 77 3.9 8.0 50 9 314.0 315.7 294.6 341.1 8.71 10 682 3350 9.8 3.8 66 6.0 6.3 56 9 315.7 317.1 294.0 338.9 7.39 11 644 3823 6.8 -0.2 61 7.0 3.0 70 9 317.5 318.6 293.4 336.2 5.86 12 611 4253 4.2 0.8 79 3.4 2.3 82 8 319.3 320.6 294.4 340.6 6.65 13 602 4374 4.0 -5.0 52 9.0 -0.4 86 8 320.4 321.3 293.0 334.7 4.38 14 513 5657 -3.7 -5.6 87 1.9 -4.7 124 7 326.1 327.1 294.9 342.4 4.92 15 507 5750 -3.5 -8.5 68 5.0 -5.8 127 7 327.5 328.3 294.5 340.8 3.97 16 504 5797 -4.1 -5.8 88 1.7 -5.0 128 7 327.3 328.3 295.2 343.7 4.93 17 500 5860 -4.3 -7.3 80 3.0 -5.7 130 7 327.8 328.7 295.0 342.6 4.43 18 488 6051 -5.3 -9.8 71 4.5 -7.3 126 7 328.9 329.6 294.7 341.5 3.73 19 487 6067 -5.5 -6.5 93 1.0 -6.0 126 7 328.8 329.8 295.5 345.0 4.84 20 484 6116 -5.7 -10.6 68 4.9 -7.8 125 7 329.1 329.8 294.6 341.1 3.53 21 477 6230 -6.1 -12.1 62 6.0 -8.7 123 7 330.0 330.7 294.5 340.9 3.17 22 469 6362 -6.7 -9.9 78 3.2 -8.1 120 8 330.9 331.6 295.3 344.0 3.85 23 409 7420 -12.7 -19.7 56 7.0 -15.1 98 9 336.3 336.7 295.1 343.3 1.96 24 400 7590 -13.9 -18.6 68 4.7 -15.6 95 9 336.9 337.4 295.4 344.8 2.20 25 397 7647 -14.1 -18.1 72 4.0 -15.5 97 9 337.4 337.9 295.7 345.6 2.32 26 394 7705 -14.3 -22.3 51 8.0 -16.8 98 9 337.9 338.2 295.2 343.7 1.62 27 384 7899 -15.9 -19.8 72 3.9 -17.2 104 10 338.2 338.7 295.7 345.7 2.07 28 373 8118 -16.3 -24.3 50 8.0 -18.6 110 10 340.5 340.8 295.7 345.8 1.44 29 357 8446 -18.9 -24.9 59 6.0 -20.6 119 11 341.3 341.6 295.8 346.6 1.42 30 305 9601 -26.7 -43.7 18 17.0 -29.0 152 13 346.1 346.2 296.0 347.2 0.26 31 304 9625 -26.9 -41.9 23 15.0 -29.0 152 13 346.2 346.2 296.1 347.4 0.32 32 300 9720 -27.7 -41.7 25 14.0 -29.7 155 13 346.3 346.4 296.1 347.7 0.33 33 252 10945 -38.1 -47.1 38 9.0 -38.9 141 13 348.6 348.7 296.5 349.5 0.22 34 250 11000 -38.5 -48.5 34 10.0 -39.3 140 13 348.8 348.9 296.5 349.6 0.19 35 246 11110 -39.3 -54.3 19 15.0 -40.3 140 13 349.2 349.3 296.5 349.7 0.10 36 207 12266 -49.3 -60.3 27 11.0 -49.7 136 8 351.2 351.2 297.0 351.5 0.05 37 200 12490 -51.3 -59.3 38 8.0 -51.5 135 7 351.5 351.5 297.0 351.8 0.06 38 196 12622 -52.5 -57.5 55 5.0 -52.7 133 8 351.7 351.7 297.1 352.0 0.08 39 184 13028 -56.1 -62.1 47 6.0 -56.2 126 9 352.2 352.2 297.1 352.4 0.05 40 170 13529 -60.1 -69.1 30 9.0 -60.2 118 12 353.6 353.7 297.4 353.7 0.02 41 150 14300 -67.1 -71.1 57 4.0 -67.1 105 15 354.5 354.5 297.6 354.6 0.02 42 132 15058 -73.9 -75.3 81 1.4 -73.9 108 18 355.6 355.6 297.8 355.6 0.01 43 116 15802 -79.3 -83.9 47 4.6 -79.3 111 21 358.9 358.9 298.5 359.0 0.00 44 100 16630 -85.7 -89.4 51 3.7 -85.7 115 25 362.1 362.1 299.1 362.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 555.77 mb = 5040.67 m = 16537.42 ft Wetbulb zero: 603.47 mb = 4354.36 m = 14285.79 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 75.74 % Est. max temperature: 34.12 C = 93.42 F Sfc-Lift cond lev (LCL): 971.55 mb = 319.01 m = 1046.62 ft T: 25.77 C 700-500 lapse rate: 5.39 C/km ThetaE index: 11.55 C Layer 766.0- 611.0 mb Conv cond level (CCL): 837.70 mb = 1610.67 m = 5284.27 ft Mean mixing ratio: 16.67 g/kg Conv temperature: 34.75 C = 94.55 F Cap Strength: 2.24 C Lifted Index: -1.57 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.35 C Lifted Index @700 mb: -0.34 C Showalter Index: -0.51 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.30 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 201.00 Risk: None Energy Index: -1.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 228.81 J/kg Max Up Vert Vel: 21.39 m/s Conv Inhibition (B-): 74.01 J/kg Cap Strength: 2.21 C Lift Cond Lev (LCL): 910.62 mb = 887.47 m = 2911.63 ft Lev Free Conv (LFC): 775.62 mb = 2268.93 m = 7443.91 ft Equ Level (EL): 325.62 mb = 9121.17 m = 29924.72 ft B at Equ Level: 228.45 J/kg Max Parcel Lev (MPL): 145.62 mb = 14475.97 m = 47492.77 ft Wind level data Storm motion: 89 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 1007 19 330 1 0.5 -0.9 | 278 5 5.4 -0.7 1 1000 64 320 3 1.9 -2.3 | 288 7 6.8 -2.2 2 925 751 330 9 4.5 -7.8 | 309 12 9.4 -7.7 3 850 1486 50 1 -0.8 -0.6 | 277 4 4.1 -0.5 4 700 3133 50 9 -6.9 -5.8 | 19 6 -2.0 -5.7 5 500 5860 130 7 -5.4 4.5 | 174 5 -0.5 4.6 6 400 7590 95 9 -9.0 0.8 | 103 4 -4.1 0.9 7 300 9720 155 13 -5.5 11.8 | 177 12 -0.6 11.9 8 250 11000 140 13 -8.4 10.0 | 161 11 -3.5 10.1 9 200 12490 135 7 -4.9 4.9 | 179 5 -0.0 5.1 10 150 14300 105 15 -14.5 3.9 | 113 10 -9.6 4.0 11 100 16630 115 25 -22.7 10.6 | 121 21 -17.8 10.7 Wind Parameters Mean winds (0-6000m): 58.6 at 6.5 knts Storm direction: 88.6 at 4.9 knts Shear (0-3000m) pos: 1.2 neg: 1.7 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 98.6 deg Storm rel helicity (0-3000m) pos: 21.8 neg: -3.6 tot: 18.2 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 25.25 Bulk Shear: 9.06 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 ------------------------------------------------------------------------------- 500 325 5 296 8| 0.0 6.1 6.1| 7.1 0.0 7.1 14.3 0.57| 6.2 3.5 1000 332 6 304 9| 1.9 3.1 5.0| 15.9 0.0 15.9 15.9 0.52| 6.5 3.4 1500 332 5 301 9| 2.4 2.0 4.4| 15.9 -3.6 12.3 8.2 0.19| 6.3 1.2 2000 340 5 303 8| 1.8 1.7 3.5| 17.9 -3.6 14.3 7.2 0.27| 5.4 1.4 2500 354 5 310 7| 1.4 1.7 3.1| 19.9 -3.6 16.3 6.5 0.34| 4.8 1.6 3000 10 5 320 6| 1.2 1.7 2.9| 21.8 -3.6 18.2 6.1 0.37| 4.4 1.6 4000 31 6 339 5| 1.4 1.3 2.6| 26.4 -3.6 22.8 5.7 0.43| 3.9 1.7 5000 46 6 356 4| 1.4 1.0 2.4| 29.8 -3.6 26.2 5.2 0.50| 3.5 1.8 6000 59 7 12 3| 1.3 0.8 2.2| 32.6 -3.9 28.6 4.8 0.52| 3.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251020.00.gif