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 VVTS... Searching the city database file for: VVTS ... Date:0000Z 21 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 26.6 25.4 93 1.2 25.7 255 1 299.2 302.9 298.7 359.7 20.69 1 1000 66 25.4 24.6 95 0.8 24.8 285 3 298.5 302.2 298.0 356.4 19.84 2 986 190 24.4 24.3 99 0.1 24.3 304 5 298.8 302.3 298.0 356.4 19.76 3 953 490 24.0 22.6 92 1.4 23.0 350 9 301.3 304.6 297.8 355.5 18.41 4 937 639 24.8 19.9 74 4.9 21.3 13 11 303.5 306.5 296.7 350.5 15.80 5 925 753 24.0 19.7 77 4.3 20.9 30 13 303.8 306.8 296.8 350.9 15.81 6 857 1418 19.6 16.3 81 3.3 17.3 48 9 306.0 308.5 296.0 347.1 13.73 7 850 1489 19.6 16.0 80 3.6 17.1 50 9 306.7 309.2 296.1 347.5 13.58 8 774 2292 16.4 11.4 72 5.0 13.1 60 9 311.6 313.7 295.6 345.4 11.01 9 700 3142 11.4 6.9 74 4.5 8.6 70 9 315.1 316.8 295.1 343.1 8.96 10 661 3618 8.8 2.8 66 6.0 5.4 78 9 317.4 318.8 294.3 339.9 7.10 11 619 4158 5.2 2.1 80 3.1 3.4 86 8 319.3 320.7 294.8 342.3 7.22 12 574 4770 1.6 -8.4 47 10.0 -3.0 97 8 322.0 322.7 292.7 333.7 3.53 13 559 4983 0.0 -1.9 87 1.9 -1.0 100 8 322.6 323.8 294.8 342.0 5.97 14 551 5099 -0.7 -2.7 86 2.0 -1.7 102 8 323.1 324.2 294.7 341.7 5.70 15 500 5870 -4.1 -8.0 74 3.9 -6.0 115 7 328.0 328.9 294.8 342.1 4.19 16 488 6062 -4.9 -9.5 70 4.6 -7.0 117 8 329.3 330.1 294.8 342.3 3.82 17 482 6159 -5.5 -12.5 58 7.0 -8.4 117 8 329.8 330.4 294.4 340.2 3.04 18 476 6258 -6.3 -8.8 82 2.5 -7.5 118 9 330.0 330.8 295.3 344.0 4.13 19 470 6357 -6.7 -13.7 57 7.0 -9.5 119 9 330.7 331.2 294.4 340.4 2.83 20 467 6407 -7.1 -10.2 78 3.1 -8.5 120 9 330.8 331.5 295.2 343.6 3.77 21 465 6441 -7.3 -14.3 57 7.0 -10.1 120 10 330.9 331.5 294.4 340.3 2.72 22 437 6923 -10.5 -13.4 79 2.9 -11.7 124 12 332.8 333.4 295.2 343.6 3.12 23 427 7101 -11.5 -15.6 72 4.1 -13.0 126 13 333.7 334.3 295.0 343.0 2.66 24 425 7137 -11.7 -21.7 43 10.0 -14.9 126 13 333.9 334.3 294.2 339.6 1.59 25 407 7468 -13.7 -17.3 74 3.6 -15.0 129 14 335.5 336.0 295.3 344.0 2.42 26 400 7600 -14.3 -21.3 55 7.0 -16.5 130 15 336.4 336.8 295.0 342.7 1.75 27 393 7734 -15.1 -27.1 35 12.0 -18.3 129 15 337.1 337.3 294.6 341.0 1.06 28 388 7830 -15.9 -21.9 60 6.0 -17.7 128 15 337.2 337.6 295.1 343.4 1.71 29 376 8067 -16.9 -30.9 29 14.0 -20.2 126 15 339.0 339.1 294.8 341.9 0.77 30 374 8107 -17.3 -22.3 65 5.0 -18.8 125 15 339.0 339.3 295.6 345.2 1.71 31 371 8167 -17.1 -23.1 60 6.0 -18.9 125 14 340.0 340.3 295.7 345.9 1.61 32 369 8208 -16.9 -34.9 19 18.0 -20.7 124 14 340.8 340.9 295.0 342.9 0.53 33 346 8687 -20.5 -29.5 44 9.0 -22.7 120 14 342.3 342.5 295.7 345.9 0.96 34 343 8752 -21.3 -25.0 72 3.7 -22.3 119 14 342.0 342.3 296.1 347.4 1.47 35 341 8795 -20.9 -34.9 27 14.0 -23.7 119 14 343.1 343.3 295.6 345.4 0.58 36 339 8839 -20.9 -36.9 22 16.0 -23.9 118 14 343.7 343.8 295.6 345.6 0.48 37 325 9149 -22.9 -40.9 18 18.0 -25.8 116 14 345.1 345.2 295.8 346.4 0.33 38 300 9730 -27.9 -44.9 18 17.0 -30.0 110 13 346.1 346.1 296.0 347.0 0.23 39 258 10793 -35.9 -58.9 8 23.0 -37.4 89 21 349.5 349.5 296.5 349.8 0.05 40 250 11010 -38.1 -50.1 27 12.0 -39.1 85 23 349.4 349.5 296.7 350.1 0.16 41 232 11522 -42.9 -52.9 33 10.0 -43.5 82 20 349.7 349.7 296.7 350.2 0.12 42 230 11580 -43.3 -48.3 58 5.0 -43.6 81 20 349.9 350.0 296.8 350.8 0.21 43 214 12064 -46.9 -57.9 27 11.0 -47.4 78 17 351.6 351.6 297.1 351.9 0.07 44 200 12510 -50.9 -58.9 38 8.0 -51.2 75 15 352.2 352.2 297.1 352.5 0.07 45 170 13543 -60.5 -63.2 70 2.7 -60.6 92 22 353.0 353.0 297.3 353.2 0.05 46 164 13766 -62.1 -66.7 54 4.6 -62.1 96 23 353.9 354.0 297.5 354.1 0.03 47 150 14310 -67.3 -71.1 58 3.8 -67.3 105 27 354.2 354.2 297.5 354.2 0.02 48 144 14555 -69.7 -72.5 67 2.8 -69.7 104 29 354.1 354.1 297.5 354.2 0.01 49 100 16640 -86.1 -90.1 48 4.0 -86.1 100 44 361.4 361.4 299.0 361.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 559.00 mb = 4983.27 m = 16349.10 ft Wetbulb zero: 595.03 mb = 4478.57 m = 14693.31 ft Precipitable water: 2.32 inches Sfc-500 mean rel hum: 76.09 % Est. max temperature: 33.42 C = 92.16 F Sfc-Lift cond lev (LCL): 990.11 mb = 153.77 m = 504.49 ft T: 24.69 C 700-500 lapse rate: 5.68 C/km ThetaE index: 7.60 C Layer 774.0- 619.0 mb Conv cond level (CCL): 874.00 mb = 1247.01 m = 4091.20 ft Mean mixing ratio: 17.87 g/kg Conv temperature: 32.88 C = 91.19 F Cap Strength: 2.39 C Lifted Index: -2.54 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.67 C Lifted Index @700 mb: -0.28 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 20.10 C K Index: 35.20 Risk: > 80 % chance of thunderstorms Sweat Index: 217.00 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 731.85 J/kg Max Up Vert Vel: 38.26 m/s Conv Inhibition (B-): 86.18 J/kg Cap Strength: 2.39 C Lift Cond Lev (LCL): 926.65 mb = 737.32 m = 2419.01 ft Lev Free Conv (LFC): 711.65 mb = 3002.49 m = 9850.57 ft Equ Level (EL): 151.65 mb = 14243.39 m = 46729.73 ft B at Equ Level: 730.40 J/kg Wind level data Storm motion: 97 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 19 255 1 1.0 0.3 | 274 7 7.3 -0.5 1 1000 66 285 3 2.9 -0.8 | 280 9 9.3 -1.6 2 925 753 30 13 -6.5 -11.3 | 1 12 -0.1 -12.1 3 850 1489 50 9 -6.9 -5.8 | 5 7 -0.5 -6.6 4 700 3142 70 9 -8.5 -3.1 | 28 4 -2.1 -3.9 5 500 5870 115 7 -6.3 3.0 | 180 2 0.0 2.2 6 400 7600 130 15 -11.5 9.6 | 150 10 -5.1 8.8 7 300 9730 110 13 -12.2 4.4 | 122 7 -5.9 3.6 8 250 11010 85 23 -22.9 -2.0 | 80 17 -16.6 -2.8 9 200 12510 75 15 -14.5 -3.9 | 60 9 -8.1 -4.7 10 150 14310 105 27 -26.1 7.0 | 107 21 -19.7 6.2 11 100 16640 100 44 -43.3 7.6 | 100 38 -37.0 6.8 Wind Parameters Mean winds (0-6000m): 67.2 at 8.5 knts Storm direction: 97.2 at 6.4 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 111.9 deg Storm rel helicity (0-3000m) pos: 60.7 neg: -0.0 tot: 60.6 m^2/s^2 ave: 20.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.5 10^-3/s Energy-Hel index: 0.27 Bulk Rich Number: 51.89 Bulk Shear: 14.10 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 ------------------------------------------------------------------------------- 500 337 6 305 11| 10.1 0.0 10.1| 30.2 0.0 30.2 60.3 0.81| 12.6 10.3 1000 23 9 342 9| 6.4 0.0 6.4| 57.1 0.0 57.1 57.1 0.83| 11.3 9.4 1500 31 9 349 9| 3.4 0.0 3.4| 57.7 -0.0 57.6 38.4 0.73| 8.7 6.4 2000 36 9 354 8| 2.6 0.0 2.6| 58.8 -0.0 58.7 29.4 0.73| 6.8 4.9 2500 41 9 358 8| 2.1 0.0 2.1| 59.8 -0.0 59.7 23.9 0.73| 5.6 4.1 3000 46 9 1 7| 1.7 0.0 1.7| 60.7 -0.0 60.6 20.2 0.73| 4.9 3.5 4000 53 9 8 6| 1.2 0.0 1.2| 62.0 -0.0 62.0 15.5 0.72| 4.0 2.8 5000 60 9 14 5| 0.9 0.0 0.9| 62.9 -0.0 62.9 12.6 0.72| 3.4 2.5 6000 67 9 20 4| 0.7 0.0 0.7| 63.6 -0.3 63.3 10.5 0.70| 3.1 2.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251021.00.gif