UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 28 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 1010 19 28.2 24.5 80 3.7 25.4 130 1 300.5 304.1 298.3 357.9 19.51 1 1000 91 27.4 23.8 81 3.6 24.7 130 7 300.5 304.0 297.9 356.1 18.88 2 952 525 23.4 22.5 95 0.9 22.8 114 13 300.8 304.1 297.6 354.6 18.31 3 926 768 22.4 18.8 80 3.6 19.9 105 17 302.1 304.9 295.8 346.1 14.91 4 925 777 22.4 18.3 78 4.1 19.5 105 17 302.2 304.9 295.5 344.9 14.46 5 910 920 23.2 14.2 57 9.0 17.2 88 14 304.5 306.5 293.9 338.0 11.26 6 850 1512 18.4 16.4 88 2.0 17.0 15 3 305.4 308.0 296.0 347.1 13.94 7 805 1977 15.0 14.9 99 0.1 15.0 33 7 306.6 309.1 295.9 346.8 13.36 8 754 2529 11.6 8.6 82 3.0 9.7 55 12 308.7 310.5 293.6 337.1 9.34 9 740 2687 13.0 -3.0 33 16.0 4.9 61 13 311.9 312.7 290.3 325.0 4.14 10 722 2894 12.0 5.0 62 7.0 7.9 70 15 313.0 314.4 293.5 336.6 7.60 11 700 3154 11.8 -2.2 38 14.0 4.5 80 17 315.6 316.4 291.8 330.4 4.65 12 697 3190 11.6 -4.4 32 16.0 3.5 81 17 315.7 316.5 291.3 328.4 3.96 13 677 3432 9.2 0.2 53 9.0 4.3 88 16 315.7 316.8 292.7 333.9 5.74 14 653 3731 7.8 -6.2 36 14.0 1.0 98 15 317.4 318.1 291.5 329.3 3.68 15 647 3807 8.2 -22.8 9 31.0 -2.4 100 14 318.7 318.8 289.3 321.9 0.94 16 619 4171 6.4 -27.6 7 34.0 -4.0 111 13 320.7 320.8 289.6 322.9 0.64 17 616 4211 6.2 -26.8 7 33.0 -4.1 112 12 320.9 321.0 289.8 323.3 0.69 18 519 5595 -2.3 -36.3 5 34.0 -10.4 156 6 326.7 326.8 291.2 328.0 0.33 19 503 5843 -4.3 -14.3 46 10.0 -8.3 163 5 327.2 327.7 293.3 335.8 2.51 20 500 5890 -4.5 -17.5 35 13.0 -9.2 165 5 327.6 327.9 292.9 334.3 1.93 21 497 5937 -4.9 -15.9 42 11.0 -9.1 163 5 327.6 328.1 293.2 335.3 2.23 22 495 5969 -4.9 -24.9 19 20.0 -10.9 162 5 328.0 328.2 292.2 331.7 1.02 23 479 6226 -6.9 -16.9 45 10.0 -10.6 152 5 328.6 329.1 293.3 336.0 2.12 24 474 6308 -7.3 -24.3 24 17.0 -12.4 148 5 329.1 329.4 292.6 333.2 1.13 25 468 6407 -8.1 -24.1 26 16.0 -12.9 144 5 329.3 329.6 292.7 333.5 1.16 26 463 6490 -8.9 -16.9 52 8.0 -11.8 141 5 329.4 329.8 293.6 337.0 2.20 27 450 6710 -9.3 -39.3 7 30.0 -15.3 132 5 331.5 331.6 292.4 332.6 0.28 28 421 7222 -12.7 -39.7 8 27.0 -17.9 111 5 333.6 333.6 293.0 334.7 0.29 29 415 7331 -13.7 -24.7 39 11.0 -16.9 107 5 333.7 333.9 293.9 338.1 1.24 30 406 7497 -14.7 -34.7 16 20.0 -18.9 100 5 334.5 334.6 293.4 336.3 0.50 31 400 7610 -15.5 -37.5 13 22.0 -19.7 95 5 334.8 334.9 293.4 336.3 0.38 32 380 7995 -18.1 -43.1 9 25.0 -22.0 91 6 336.4 336.4 293.6 337.2 0.22 33 335 8924 -24.5 -40.5 21 16.0 -26.9 83 7 340.0 340.0 294.6 341.3 0.33 34 328 9077 -24.9 -51.9 6 27.0 -27.8 81 8 341.5 341.5 294.8 341.9 0.10 35 300 9720 -29.1 -51.1 10 22.0 -31.3 75 9 344.4 344.4 295.5 344.8 0.12 36 297 9791 -29.7 -50.7 11 21.0 -31.7 76 9 344.5 344.5 295.5 345.0 0.12 37 288 10009 -31.5 -39.5 45 8.0 -32.6 78 9 345.0 345.1 295.9 346.7 0.43 38 278 10257 -32.7 -50.7 15 18.0 -34.3 81 9 346.8 346.8 296.0 347.3 0.13 39 250 10990 -39.5 -51.5 27 12.0 -40.4 90 9 347.3 347.4 296.1 347.9 0.13 40 240 11268 -41.9 -49.9 41 8.0 -42.5 87 10 347.8 347.8 296.3 348.5 0.17 41 230 11555 -44.3 -53.3 36 9.0 -44.8 84 10 348.4 348.4 296.4 348.9 0.12 42 212 12098 -47.9 -61.9 18 14.0 -48.4 79 12 351.0 351.0 296.9 351.2 0.04 43 200 12480 -51.3 -64.3 20 13.0 -51.7 75 13 351.5 351.5 297.0 351.7 0.03 44 150 14280 -66.7 -76.7 23 10.0 -66.8 75 15 355.2 355.2 297.7 355.2 0.01 45 133 14995 -73.1 -79.1 40 6.0 -73.1 82 12 356.2 356.2 298.0 356.2 0.01 46 105 16347 -81.9 -86.1 49 4.2 -81.9 97 6 364.4 364.4 299.5 364.4 0.00 47 100 16620 -82.3 -86.6 47 4.3 -82.3 100 5 368.7 368.7 300.4 368.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 545.25 mb = 5220.42 m = 17127.17 ft Wetbulb zero: 651.17 mb = 3754.00 m = 12316.14 ft Precipitable water: 1.76 inches Sfc-500 mean rel hum: 48.65 % Est. max temperature: 32.98 C = 91.37 F Sfc-Lift cond lev (LCL): 957.74 mb = 472.17 m = 1549.09 ft T: 23.89 C 700-500 lapse rate: 5.96 C/km ThetaE index: 22.17 C Layer 805.0- 722.0 mb Conv cond level (CCL): 870.16 mb = 1308.56 m = 4293.13 ft Mean mixing ratio: 17.19 g/kg Conv temperature: 32.82 C = 91.07 F Cap Strength: 2.61 C Lifted Index: -2.23 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.76 C Lifted Index @700 mb: 0.71 C Showalter Index: -0.51 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.90 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 207.80 Risk: None Energy Index: -2.48 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 672.90 J/kg Max Up Vert Vel: 36.69 m/s Conv Inhibition (B-): 37.41 J/kg Cap Strength: 2.56 C Lift Cond Lev (LCL): 919.33 mb = 830.78 m = 2725.63 ft Lev Free Conv (LFC): 834.33 mb = 1671.03 m = 5482.31 ft Equ Level (EL): 714.33 mb = 2983.89 m = 9789.53 ft B at Equ Level: 59.88 J/kg Wind level data Storm motion: 122 at 8 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 1010 19 130 1 -0.8 0.6 | 301 7 5.9 -3.6 1 1000 91 130 7 -5.4 4.5 | 257 1 1.3 0.3 2 925 777 105 17 -16.4 4.4 | 91 10 -9.8 0.2 3 850 1512 15 3 -0.8 -2.9 | 320 9 5.9 -7.1 4 700 3154 80 17 -16.7 -3.0 | 55 12 -10.1 -7.2 5 500 5890 165 5 -1.3 4.8 | 263 5 5.4 0.6 6 400 7610 95 5 -5.0 0.4 | 336 4 1.7 -3.8 7 300 9720 75 9 -8.7 -2.3 | 17 7 -2.0 -6.5 8 250 10990 90 9 -9.0 0.0 | 29 5 -2.3 -4.2 9 200 12480 75 13 -12.6 -3.4 | 38 10 -5.9 -7.6 10 150 14280 75 15 -14.5 -3.9 | 44 11 -7.8 -8.1 11 100 16620 100 5 -4.9 0.9 | 333 4 1.7 -3.3 Wind Parameters Mean winds (0-6000m): 92.3 at 10.5 knts Storm direction: 122.3 at 7.9 knts Shear (0-3000m) pos: 2.5 neg: 0.6 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 104.6 deg Storm rel helicity (0-3000m) pos: 46.5 neg: -58.0 tot: -11.5 m^2/s^2 ave: -3.8 10^-3 m/s^2 rel: -0.26 Storm rel vorticity (0-3000m) horiz: 9.5 stream: -2.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 205.65 Bulk Shear: 3.27 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 ------------------------------------------------------------------------------- 500 121 9 109 1| 0.0 12.6 12.6| 0.0 -3.3 -3.3 -6.6 -0.56| 14.1 -7.9 1000 107 12 82 5| 0.0 6.1 6.1| 0.0 -27.2 -27.2 -27.2 -0.68| 13.6 -9.3 1500 105 11 67 4| 0.0 1.2 1.2| 0.0 -58.0 -58.0 -38.7 -0.78| 13.4-10.5 2000 96 9 38 4| 1.2 0.9 2.1| 11.7 -58.0 -46.3 -23.1 -0.60| 11.2 -6.7 2500 87 9 29 5| 1.9 0.7 2.7| 27.1 -58.0 -31.0 -12.4 -0.42| 10.1 -4.3 3000 86 10 34 6| 2.5 0.6 3.1| 46.5 -58.0 -11.5 -3.8 -0.26| 9.5 -2.5 4000 89 11 46 6| 1.8 0.5 2.2| 64.4 -58.0 6.4 1.6 -0.12| 8.4 -1.0 5000 93 11 51 6| 1.1 0.4 1.5| 69.7 -58.0 11.7 2.3 -0.02| 7.5 -0.2 6000 92 10 45 5| 0.7 0.3 1.0| 73.9 -58.0 15.8 2.6 0.03| 6.7 0.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250428.00.gif