UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 16 APR 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 1011 19 27.2 24.4 85 2.8 25.2 115 3 299.4 302.9 297.9 356.1 19.37 1 1000 96 26.0 24.0 89 2.0 24.6 110 5 299.1 302.6 297.7 355.0 19.11 2 975 319 24.2 23.3 95 0.9 23.6 110 10 299.5 302.9 297.6 354.5 18.78 3 970 365 24.4 21.9 86 2.5 22.6 110 10 300.2 303.3 296.8 350.9 17.30 4 946 585 24.2 19.6 76 4.6 20.9 110 15 302.1 304.9 296.1 347.4 15.35 5 925 782 22.8 19.5 82 3.3 20.5 110 19 302.6 305.5 296.4 348.8 15.61 6 850 1515 18.6 15.6 83 3.0 16.5 85 9 305.6 308.1 295.6 345.2 13.23 7 803 2002 15.2 15.2 100 0.0 15.2 86 10 307.0 309.6 296.2 348.1 13.66 8 761 2457 13.0 12.7 98 0.3 12.8 88 10 309.4 311.7 295.8 346.6 12.22 9 737 2727 12.8 8.9 77 3.9 10.3 89 10 312.0 313.9 294.8 342.1 9.76 10 728 2831 13.2 4.2 54 9.0 7.9 89 11 313.6 314.9 293.3 335.8 7.12 11 727 2843 13.2 4.2 54 9.0 7.9 89 11 313.7 315.1 293.3 336.0 7.13 12 709 3054 11.8 7.5 75 4.3 9.1 90 11 314.4 316.2 295.1 343.1 9.22 13 700 3161 11.4 5.4 67 6.0 7.8 90 11 315.1 316.7 294.4 340.4 8.06 14 656 3701 8.8 -10.2 25 19.0 0.3 94 13 318.1 318.6 290.8 326.9 2.68 15 622 4139 5.4 0.4 70 5.0 2.6 97 15 319.1 320.3 294.1 339.4 6.35 16 608 4325 5.0 -7.0 41 12.0 -0.7 98 15 320.7 321.4 292.5 332.9 3.72 17 601 4419 4.4 -7.6 41 12.0 -1.3 99 16 321.1 321.8 292.5 332.9 3.59 18 595 4501 3.6 -8.4 41 12.0 -1.9 100 16 321.1 321.7 292.3 332.3 3.41 19 589 4583 2.6 -1.1 77 3.7 0.6 100 16 320.8 322.0 294.4 340.2 6.01 20 558 5018 0.0 -14.0 34 14.0 -5.6 103 18 322.7 323.2 291.9 330.6 2.32 21 536 5339 -2.5 -7.4 69 4.9 -4.8 106 19 323.5 324.3 293.6 337.0 4.09 22 531 5414 -2.3 -16.3 33 14.0 -7.6 106 19 324.6 325.0 292.1 331.5 2.02 23 525 5504 -2.5 -17.5 31 15.0 -8.0 107 20 325.4 325.8 292.2 331.8 1.84 24 504 5827 -4.3 -22.3 23 18.0 -10.1 110 21 327.1 327.3 292.1 331.5 1.27 25 500 5890 -4.7 -15.7 42 11.0 -8.9 110 21 327.3 327.8 293.1 335.0 2.25 26 495 5969 -5.1 -14.1 49 9.0 -8.7 110 21 327.8 328.3 293.5 336.6 2.60 27 484 6146 -5.5 -24.5 21 19.0 -11.3 111 21 329.4 329.6 292.6 333.3 1.09 28 481 6195 -5.9 -14.9 49 9.0 -9.4 111 21 329.5 330.0 293.9 338.1 2.50 29 479 6227 -5.7 -22.7 25 17.0 -11.2 111 21 330.1 330.4 293.0 334.7 1.29 30 468 6409 -7.1 -17.1 45 10.0 -10.8 111 20 330.6 331.0 293.9 338.0 2.14 31 460 6543 -7.7 -24.7 24 17.0 -12.8 112 20 331.5 331.7 293.2 335.5 1.12 32 459 6560 -7.9 -18.9 41 11.0 -11.8 112 20 331.4 331.8 293.8 338.0 1.87 33 457 6594 -7.9 -26.9 20 19.0 -13.3 112 20 331.8 332.0 293.1 335.2 0.92 34 448 6749 -8.7 -17.7 48 9.0 -12.0 112 20 332.7 333.1 294.4 340.2 2.12 35 442 6854 -8.9 -21.9 34 13.0 -13.1 113 20 333.8 334.1 294.1 339.1 1.50 36 421 7229 -11.7 -18.7 56 7.0 -14.2 114 19 334.8 335.3 294.8 342.2 2.08 37 400 7620 -13.5 -26.5 33 13.0 -17.1 115 19 337.4 337.7 294.7 341.5 1.10 38 399 7639 -13.7 -27.7 30 14.0 -17.4 115 19 337.4 337.6 294.6 341.1 0.98 39 369 8227 -17.9 -22.8 65 4.9 -19.4 126 15 339.5 339.8 295.6 345.5 1.66 40 325 9163 -23.9 -35.9 32 12.0 -26.1 144 9 343.7 343.9 295.7 345.9 0.55 41 309 9528 -27.1 -36.1 42 9.0 -28.6 151 6 344.3 344.4 295.8 346.5 0.57 42 300 9740 -28.9 -37.9 42 9.0 -30.3 155 5 344.6 344.8 295.8 346.6 0.49 43 256 10857 -38.1 -55.1 15 17.0 -39.2 107 7 347.1 347.1 296.1 347.4 0.08 44 250 11020 -39.5 -55.5 17 16.0 -40.5 100 7 347.3 347.4 296.1 347.7 0.08 45 245 11157 -40.7 -55.7 18 15.0 -41.6 100 7 347.6 347.6 296.2 347.9 0.08 46 200 12500 -51.9 -67.9 13 16.0 -52.2 100 7 350.6 350.6 296.8 350.7 0.02 47 191 12797 -54.5 -72.5 9 18.0 -54.8 107 10 351.1 351.1 296.8 351.1 0.01 48 150 14300 -67.9 -71.6 59 3.7 -67.9 145 23 353.1 353.1 297.3 353.2 0.02 49 148 14380 -68.3 -72.6 54 4.3 -68.4 141 22 353.8 353.8 297.4 353.8 0.01 50 145 14502 -68.1 -75.1 36 7.0 -68.1 135 22 356.2 356.2 298.0 356.3 0.01 51 127 15283 -73.7 -77.8 53 4.1 -73.7 94 16 359.9 359.9 298.7 359.9 0.01 52 100 16640 -83.3 -88.3 41 5.0 -83.3 20 7 366.8 366.8 300.0 366.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 558.00 mb = 5018.35 m = 16464.21 ft Wetbulb zero: 611.08 mb = 4283.31 m = 14052.67 ft Precipitable water: 2.13 inches Sfc-500 mean rel hum: 66.34 % Est. max temperature: 32.98 C = 91.37 F Sfc-Lift cond lev (LCL): 971.20 mb = 353.76 m = 1160.63 ft T: 24.35 C 700-500 lapse rate: 5.90 C/km ThetaE index: 16.20 C Layer 700.0- 622.0 mb Conv cond level (CCL): 874.02 mb = 1273.40 m = 4177.77 ft Mean mixing ratio: 17.03 g/kg Conv temperature: 32.45 C = 90.40 F Cap Strength: 1.75 C Lifted Index: -2.14 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.15 C Lifted Index @700 mb: 0.48 C Showalter Index: 0.03 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 20.30 C K Index: 32.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.20 Risk: None Energy Index: -1.97 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 416.95 J/kg Max Up Vert Vel: 28.88 m/s Conv Inhibition (B-): 41.46 J/kg Cap Strength: 1.75 C Lift Cond Lev (LCL): 921.71 mb = 812.86 m = 2666.82 ft Lev Free Conv (LFC): 826.71 mb = 1752.74 m = 5750.40 ft Equ Level (EL): 736.71 mb = 2730.63 m = 8958.66 ft B at Equ Level: 38.62 J/kg Max Parcel Lev (MPL): 116.71 mb = 15762.86 m = 51714.78 ft Wind level data Storm motion: 131 at 10 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 1011 19 115 3 -2.7 1.3 | 317 7 5.0 -5.4 1 1000 96 110 5 -4.7 1.7 | 329 6 3.0 -5.0 2 925 782 110 19 -17.9 6.5 | 89 10 -10.1 -0.2 3 850 1515 85 9 -9.0 -0.8 | 9 8 -1.2 -7.5 4 700 3161 90 11 -11.0 0.0 | 26 7 -3.3 -6.7 5 500 5890 110 21 -19.7 7.2 | 92 12 -12.0 0.5 6 400 7620 115 19 -17.2 8.0 | 98 10 -9.5 1.3 7 300 9740 155 5 -2.1 4.5 | 291 6 5.6 -2.2 8 250 11020 100 7 -6.9 1.2 | 351 6 0.8 -5.5 9 200 12500 100 7 -6.9 1.2 | 351 6 0.8 -5.5 10 150 14300 145 23 -13.2 18.8 | 156 13 -5.5 12.1 11 100 16640 20 7 -2.4 -6.6 | 338 14 5.3 -13.3 Wind Parameters Mean winds (0-6000m): 100.9 at 13.6 knts Storm direction: 130.9 at 10.2 knts Shear (0-3000m) pos: 0.3 neg: 1.1 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 67.3 deg Storm rel helicity (0-3000m) pos: 18.4 neg: -23.0 tot: -4.6 m^2/s^2 ave: -1.5 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 0.4 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 101.01 Bulk Shear: 4.13 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 ------------------------------------------------------------------------------- 500 110 8 1 4| 0.0 11.0 11.0| 10.5 0.0 10.5 21.1 0.82| 11.1 9.1 1000 109 12 57 5| 0.0 6.6 6.6| 14.5 -7.6 6.9 6.9 0.41| 9.8 4.0 1500 106 12 52 5| 0.0 2.3 2.3| 14.5 -23.0 -8.5 -5.7 0.01| 9.2 0.1 2000 102 12 41 6| 0.2 1.7 1.9| 15.8 -23.0 -7.2 -3.6 0.03| 7.1 0.2 2500 99 11 35 6| 0.3 1.4 1.6| 17.1 -23.0 -5.9 -2.3 0.05| 5.8 0.3 3000 98 11 33 6| 0.3 1.1 1.5| 18.4 -23.0 -4.6 -1.5 0.08| 4.9 0.4 4000 96 11 34 7| 0.7 0.8 1.6| 25.6 -23.0 2.7 0.7 0.18| 4.2 0.7 5000 98 12 42 7| 1.0 0.7 1.7| 34.7 -23.0 11.7 2.3 0.26| 3.8 1.0 6000 101 14 54 7| 1.1 0.6 1.7| 44.2 -23.0 21.3 3.5 0.32| 3.5 1.1 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250416.00.gif