UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 19 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 1006 19 29.4 24.4 75 5.0 25.7 140 5 302.0 305.6 298.6 359.6 19.47 1 1000 59 28.8 24.0 75 4.8 25.2 145 9 302.0 305.5 298.4 358.5 19.11 2 966 366 25.8 22.3 81 3.5 23.3 138 11 301.9 305.2 297.6 354.5 17.82 3 962 403 26.8 17.8 58 9.0 20.5 138 11 303.3 305.8 295.1 343.2 13.45 4 934 664 26.6 10.6 37 16.0 16.4 132 13 305.7 307.3 292.2 331.6 8.62 5 932 683 26.6 10.6 37 16.0 16.4 131 13 305.8 307.5 292.2 331.9 8.64 6 926 740 25.8 17.8 61 8.0 20.2 130 13 305.6 308.2 296.1 347.5 13.98 7 925 750 25.6 17.6 61 8.0 20.0 130 13 305.5 308.1 295.9 346.8 13.82 8 920 798 25.6 13.6 47 12.0 17.7 126 13 306.0 308.0 293.9 338.1 10.70 9 879 1198 22.0 18.9 83 3.1 19.8 91 11 306.2 309.2 297.4 353.8 15.83 10 850 1490 21.0 16.0 73 5.0 17.5 65 9 308.1 310.7 296.4 349.2 13.58 11 809 1915 18.2 11.2 64 7.0 13.7 78 11 309.6 311.5 294.6 341.2 10.38 12 782 2205 18.0 -2.0 26 20.0 7.5 86 12 312.4 313.2 290.5 325.7 4.22 13 700 3144 12.8 -19.2 9 32.0 0.7 115 15 316.7 316.9 289.0 320.7 1.19 14 681 3374 12.2 -20.8 8 33.0 0.1 114 15 318.5 318.7 289.4 322.2 1.07 15 638 3915 8.4 -17.6 14 26.0 -1.6 112 16 320.2 320.5 290.3 325.3 1.50 16 592 4527 3.6 -5.4 52 9.0 -0.9 110 17 321.5 322.4 293.2 335.7 4.32 17 579 4707 2.6 -8.4 44 11.0 -2.5 109 17 322.4 323.1 292.8 334.0 3.50 18 575 4762 2.4 -13.6 30 16.0 -4.2 109 17 322.8 323.3 291.9 330.7 2.33 19 572 4805 2.8 -22.2 14 25.0 -5.7 109 17 323.8 324.0 291.0 327.7 1.13 20 568 4861 2.4 -12.6 32 15.0 -4.0 109 17 323.9 324.4 292.4 332.6 2.56 21 552 5091 1.4 -30.6 7 32.0 -7.5 108 18 325.4 325.5 291.0 327.4 0.54 22 500 5880 -3.3 -19.3 28 16.0 -9.0 105 19 329.0 329.3 293.0 334.8 1.66 23 475 6285 -5.7 -16.7 42 11.0 -9.9 107 19 330.9 331.3 294.0 338.5 2.18 24 457 6588 -6.9 -32.9 11 26.0 -13.3 109 19 333.1 333.2 293.1 335.1 0.52 25 450 6709 -7.7 -23.7 26 16.0 -12.7 110 19 333.6 333.8 293.9 338.1 1.25 26 413 7374 -10.5 -39.5 7 29.0 -16.4 114 19 338.2 338.3 294.1 339.4 0.30 27 400 7620 -12.7 -32.7 17 20.0 -17.4 115 19 338.5 338.6 294.5 340.8 0.61 28 368 8248 -16.7 -47.7 5 31.0 -21.3 118 20 341.3 341.4 294.8 341.9 0.14 29 321 9254 -25.3 -48.3 10 23.0 -28.0 123 21 343.0 343.1 295.2 343.6 0.15 30 319 9299 -25.1 -55.1 4 30.0 -28.0 123 21 343.9 343.9 295.3 344.2 0.07 31 300 9740 -28.9 -47.9 14 19.0 -31.0 125 21 344.6 344.7 295.6 345.3 0.17 32 278 10281 -32.7 -59.7 5 27.0 -34.6 123 20 346.8 346.8 296.0 346.9 0.04 33 250 11020 -38.9 -56.9 13 18.0 -39.9 120 19 348.2 348.2 296.3 348.5 0.07 34 245 11158 -40.1 -60.1 10 20.0 -41.1 118 19 348.5 348.5 296.3 348.7 0.05 35 200 12510 -51.1 -68.1 11 17.0 -51.5 95 17 351.8 351.9 297.1 351.9 0.02 36 181 13153 -56.7 -66.7 27 10.0 -56.9 85 19 352.9 352.9 297.3 353.0 0.03 37 167 13660 -60.7 -73.7 16 13.0 -60.9 76 21 354.5 354.5 297.6 354.5 0.01 38 155 14120 -65.1 -74.1 28 9.0 -65.2 68 22 354.6 354.6 297.6 354.6 0.01 39 150 14320 -66.7 -74.7 32 8.0 -66.8 65 23 355.2 355.2 297.7 355.2 0.01 40 131 15124 -73.7 -78.5 48 4.8 -73.7 73 22 356.7 356.7 298.0 356.7 0.01 41 100 16670 -81.1 -87.1 36 6.0 -81.1 90 19 371.0 371.0 300.8 371.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5821.00 m Freezing level: 536.51 mb = 5326.36 m = 17474.71 ft Wetbulb zero: 679.02 mb = 3398.32 m = 11149.22 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 36.16 % Est. max temperature: 35.12 C = 95.22 F Sfc-Lift cond lev (LCL): 936.13 mb = 644.25 m = 2113.66 ft T: 26.62 C 700-500 lapse rate: 5.88 C/km ThetaE index: 33.04 C Layer 850.0- 681.0 mb Conv cond level (CCL): 721.30 mb = 2890.02 m = 9481.57 ft Mean mixing ratio: 14.27 g/kg Conv temperature: 42.89 C = 109.21 F Cap Strength: 4.27 C Lifted Index: 1.02 C Risk: Showers probable Lifted Index @300 mb: 1.55 C Lifted Index @700 mb: 3.23 C Showalter Index: -0.07 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 19.30 C K Index: 8.30 Risk: None Sweat Index: 229.00 Risk: None Energy Index: -2.74 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.64 J/kg Max Up Vert Vel: 6.73 m/s Conv Inhibition (B-): 2058.75 J/kg Cap Strength: 4.21 C Lift Cond Lev (LCL): 849.01 mb = 1500.03 m = 4921.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 138 at 11 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 1006 19 140 5 -3.2 3.8 | 317 6 3.9 -4.2 1 1000 59 145 9 -5.2 7.4 | 288 2 1.9 -0.6 2 925 750 130 13 -10.0 8.4 | 97 3 -2.9 0.4 3 850 1490 65 9 -8.2 -3.8 | 5 12 -1.1 -11.8 4 700 3144 115 15 -13.6 6.3 | 76 7 -6.5 -1.7 5 500 5880 105 19 -18.4 4.9 | 75 12 -11.3 -3.1 6 400 7620 115 19 -17.2 8.0 | 90 10 -10.1 0.0 7 300 9740 125 21 -17.2 12.0 | 112 11 -10.1 4.0 8 250 11020 120 19 -16.5 9.5 | 99 9 -9.4 1.5 9 200 12510 95 17 -16.9 1.5 | 57 12 -9.9 -6.5 10 150 14320 65 23 -20.8 -9.7 | 38 22 -13.8 -17.7 11 100 16670 90 19 -19.0 0.0 | 56 14 -11.9 -8.0 Wind Parameters Mean winds (0-6000m): 108.5 at 14.2 knts Storm direction: 138.5 at 10.7 knts Shear (0-3000m) pos: 1.8 neg: 1.6 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 110.0 deg Storm rel helicity (0-3000m) pos: 24.0 neg: -18.4 tot: 5.6 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 5.7 stream: -0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.89 Bulk Shear: 7.83 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 ------------------------------------------------------------------------------- 500 140 10 302 1| 0.0 6.9 6.9| 0.0 -1.3 -1.3 -2.6 -0.42| 7.9 -3.3 1000 131 11 63 1| 0.0 4.1 4.1| 0.0 -5.8 -5.8 -5.8 -0.51| 7.5 -3.8 1500 120 11 42 3| 0.0 3.1 3.1| 0.0 -18.4 -18.4 -12.3 -0.57| 7.6 -4.3 2000 109 11 33 5| 0.8 2.3 3.2| 8.5 -18.4 -9.9 -5.0 -0.38| 6.6 -2.5 2500 105 11 33 6| 1.4 1.9 3.3| 16.5 -18.4 -1.9 -0.8 -0.23| 6.0 -1.4 3000 106 11 38 6| 1.8 1.6 3.3| 24.0 -18.4 5.6 1.9 -0.09| 5.7 -0.5 4000 109 12 49 6| 1.5 1.3 2.7| 26.1 -18.4 7.7 1.9 -0.05| 4.6 -0.2 5000 109 13 57 7| 1.2 1.2 2.4| 26.1 -18.6 7.5 1.5 -0.05| 3.9 -0.2 6000 108 14 62 7| 1.0 1.1 2.1| 26.7 -19.2 7.5 1.3 -0.05| 3.4 -0.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250419.12.gif