UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 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 1010 19 29.0 25.5 81 3.5 26.4 135 1 301.3 305.1 299.2 362.6 20.75 1 1000 89 27.2 24.9 87 2.3 25.5 130 7 300.4 304.0 298.7 359.8 20.21 2 983 241 25.8 24.6 93 1.2 24.9 139 7 300.4 304.1 298.7 359.8 20.19 3 925 777 22.4 21.0 92 1.4 21.4 170 5 302.2 305.4 297.3 353.0 17.17 4 919 834 22.4 20.7 90 1.7 21.2 162 5 302.8 305.9 297.3 353.0 16.96 5 881 1202 21.6 15.6 69 6.0 17.5 109 5 305.6 308.0 295.3 343.8 12.75 6 850 1512 19.6 16.8 84 2.8 17.7 65 5 306.7 309.4 296.5 349.7 14.31 7 804 1989 15.6 15.0 96 0.6 15.2 74 8 307.3 309.9 296.2 347.9 13.46 8 796 2074 16.2 13.2 82 3.0 14.2 75 9 308.9 311.1 295.6 345.5 12.07 9 779 2258 15.6 10.8 73 4.8 12.5 78 10 310.1 312.1 294.8 342.2 10.50 10 734 2761 11.6 8.2 80 3.4 9.5 88 14 311.1 312.9 294.3 339.8 9.34 11 725 2864 11.4 3.4 58 8.0 6.8 90 15 312.0 313.2 292.5 333.0 6.75 12 713 3004 12.6 -18.4 10 31.0 0.8 92 16 314.8 315.0 288.4 319.0 1.26 13 709 3052 12.6 -13.4 15 26.0 1.7 93 16 315.3 315.7 289.2 321.6 1.92 14 700 3159 12.2 -13.8 15 26.0 1.4 95 17 316.0 316.4 289.5 322.2 1.88 15 604 4376 4.0 -11.0 33 15.0 -2.5 99 15 320.1 320.7 291.5 329.2 2.73 16 517 5626 -2.5 -41.5 3 39.0 -10.7 104 13 326.9 326.9 291.0 327.6 0.19 17 500 5890 -4.5 -26.5 16 22.0 -10.9 105 13 327.6 327.7 291.9 330.7 0.88 18 460 6542 -8.1 -28.1 18 20.0 -13.6 109 13 331.0 331.1 292.8 334.0 0.82 19 427 7114 -13.3 -22.3 47 9.0 -16.0 112 13 331.5 331.8 293.5 336.8 1.50 20 425 7150 -13.5 -22.5 47 9.0 -16.2 112 13 331.6 331.9 293.6 336.9 1.48 21 418 7276 -13.5 -30.5 22 17.0 -17.6 113 13 333.2 333.4 293.3 335.9 0.72 22 400 7610 -15.5 -37.5 13 22.0 -19.7 115 13 334.8 334.9 293.4 336.3 0.38 23 392 7763 -16.3 -42.3 9 26.0 -20.7 114 13 335.7 335.8 293.5 336.7 0.24 24 367 8256 -19.3 -50.3 5 31.0 -23.2 112 14 338.1 338.2 294.0 338.6 0.10 25 320 9265 -25.5 -50.5 8 25.0 -28.3 107 16 343.1 343.1 295.1 343.5 0.12 26 300 9730 -29.1 -52.1 9 23.0 -31.3 105 17 344.4 344.4 295.4 344.8 0.10 27 250 11000 -38.7 -62.7 6 24.0 -39.9 90 21 348.5 348.5 296.3 348.7 0.03 28 234 11451 -42.3 -62.3 9 20.0 -43.2 84 21 349.7 349.7 296.6 349.9 0.04 29 223 11774 -45.3 -57.3 25 12.0 -45.9 80 21 350.0 350.0 296.7 350.3 0.07 30 219 11895 -46.3 -66.3 9 20.0 -46.9 78 21 350.2 350.2 296.7 350.3 0.02 31 200 12490 -51.9 -65.9 17 14.0 -52.2 70 21 350.6 350.6 296.8 350.7 0.03 32 184 13024 -56.5 -65.5 31 9.0 -56.7 74 22 351.6 351.6 297.0 351.7 0.03 33 183 13059 -56.9 -63.9 41 7.0 -57.1 75 22 351.5 351.5 297.0 351.6 0.04 34 178 13234 -58.1 -69.1 23 11.0 -58.3 76 22 352.3 352.3 297.1 352.4 0.02 35 150 14290 -66.7 -75.7 27 9.0 -66.8 85 23 355.2 355.2 297.7 355.2 0.01 36 131 15095 -73.7 -77.7 54 4.0 -73.7 92 22 356.7 356.7 298.1 356.7 0.01 37 107 16253 -82.1 -85.2 59 3.1 -82.1 103 21 362.0 362.0 299.1 362.0 0.00 38 103 16466 -83.3 -87.0 52 3.7 -83.3 105 21 363.7 363.7 299.4 363.7 0.00 39 100 16630 -83.1 -87.3 48 4.2 -83.1 110 27 367.2 367.2 300.1 367.2 0.00 TRP 103 16466 -83.3 -87.0 52 3.7 -83.3 105 21 363.7 363.7 299.4 363.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 550.46 mb = 5145.00 m = 16879.72 ft Wetbulb zero: 666.05 mb = 3569.14 m = 11709.64 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 49.89 % Est. max temperature: 34.06 C = 93.31 F Sfc-Lift cond lev (LCL): 960.63 mb = 444.05 m = 1456.83 ft T: 24.51 C 700-500 lapse rate: 6.11 C/km ThetaE index: 30.68 C Layer 804.0- 709.0 mb Conv cond level (CCL): 926.36 mb = 764.07 m = 2506.75 ft Mean mixing ratio: 18.79 g/kg Conv temperature: 29.89 C = 85.79 F Cap Strength: 1.01 C Lifted Index: -3.88 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.28 C Lifted Index @700 mb: -0.18 C Showalter Index: -1.41 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.30 C K Index: 14.90 Risk: None Sweat Index: 224.60 Risk: None Energy Index: -3.63 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1603.07 J/kg Max Up Vert Vel: 56.62 m/s Conv Inhibition (B-): 17.20 J/kg Cap Strength: 0.98 C Lift Cond Lev (LCL): 937.75 mb = 656.39 m = 2153.49 ft Lev Free Conv (LFC): 842.75 mb = 1585.38 m = 5201.32 ft Equ Level (EL): 122.75 mb = 15467.29 m = 50745.07 ft B at Equ Level: 1582.39 J/kg Wind level data Storm motion: 130 at 9 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 19 135 1 -0.7 0.7 | 309 8 6.0 -4.8 1 1000 89 130 7 -5.4 4.5 | 308 2 1.3 -1.0 2 925 777 170 5 -0.9 4.9 | 276 6 5.8 -0.6 3 850 1512 65 5 -4.5 -2.1 | 344 8 2.1 -7.7 4 700 3159 95 17 -16.9 1.5 | 68 11 -10.3 -4.1 5 500 5890 105 13 -12.6 3.4 | 70 6 -5.9 -2.2 6 400 7610 115 13 -11.8 5.5 | 89 5 -5.1 -0.0 7 300 9730 105 17 -16.4 4.4 | 83 10 -9.7 -1.1 8 250 11000 90 21 -21.0 0.0 | 69 15 -14.3 -5.5 9 200 12490 70 21 -19.7 -7.2 | 46 18 -13.1 -12.7 10 150 14290 85 23 -22.9 -2.0 | 65 18 -16.2 -7.5 11 103 16466 105 21 -20.3 5.4 | 90 14 -13.6 -0.1 12 100 16630 110 27 -25.4 9.2 | 101 19 -18.7 3.7 Wind Parameters Mean winds (0-6000m): 99.7 at 11.6 knts Storm direction: 129.7 at 8.7 knts Shear (0-3000m) pos: 2.6 neg: 1.3 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 113.4 deg Storm rel helicity (0-3000m) pos: 33.0 neg: -1.3 tot: 31.8 m^2/s^2 ave: 10.6 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.6 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 188.66 Bulk Shear: 8.50 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 6 289 3| 5.0 0.0 5.0| 0.0 -1.2 -1.2 -2.5 -0.20| 9.0 -1.8 1000 147 6 283 4| 2.5 1.0 3.5| 2.5 -1.2 1.3 1.3 0.03| 6.6 0.2 1500 135 5 301 3| 1.7 2.6 4.3| 6.1 -1.3 4.9 3.2 0.19| 6.5 1.2 2000 114 6 336 3| 1.8 2.0 3.8| 14.1 -1.3 12.8 6.4 0.32| 5.8 1.9 2500 102 7 358 4| 2.2 1.6 3.8| 22.8 -1.3 21.6 8.6 0.42| 5.5 2.3 3000 100 8 16 4| 2.6 1.3 3.9| 33.0 -1.3 31.8 10.6 0.49| 5.3 2.6 4000 99 10 38 5| 2.0 1.0 3.0| 36.8 -1.3 35.6 8.9 0.49| 4.3 2.1 5000 99 11 48 6| 1.5 0.8 2.3| 37.0 -1.3 35.8 7.2 0.47| 3.6 1.7 6000 100 12 53 6| 1.2 0.7 1.9| 37.3 -1.4 35.9 6.0 0.45| 3.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250419.00.gif