UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 17 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 27.6 24.7 84 2.9 25.4 65 1 299.8 303.4 298.2 357.7 19.73 1 1000 98 26.4 24.2 88 2.2 24.8 65 3 299.5 303.1 298.0 356.2 19.35 2 966 404 24.0 22.8 93 1.2 23.2 125 2 300.1 303.5 297.5 354.0 18.38 3 925 784 22.0 20.7 92 1.3 21.1 200 1 301.8 304.9 297.0 351.5 16.84 4 850 1517 18.4 17.4 94 1.0 17.7 55 1 305.4 308.2 296.6 349.9 14.87 5 831 1711 16.8 16.8 100 0.0 16.8 61 1 305.7 308.4 296.5 349.6 14.64 6 792 2120 14.2 12.8 91 1.4 13.3 73 2 307.2 309.4 295.0 342.8 11.82 7 787 2174 14.4 13.4 94 1.0 13.7 75 3 307.9 310.3 295.6 345.4 12.38 8 746 2627 13.0 11.0 88 2.0 11.7 89 4 311.2 313.3 295.6 345.3 11.13 9 730 2810 13.4 2.4 47 11.0 7.2 94 4 313.5 314.7 292.6 333.1 6.24 10 708 3068 11.8 -1.2 40 13.0 4.9 102 5 314.5 315.5 291.7 330.2 4.95 11 700 3163 11.2 1.2 50 10.0 5.6 105 5 314.9 316.0 292.7 333.7 5.97 12 688 3307 9.6 6.3 80 3.3 7.6 108 5 314.7 316.3 294.8 342.0 8.74 13 678 3429 9.2 2.2 62 7.0 5.2 110 5 315.5 316.8 293.4 336.5 6.63 14 630 4033 4.8 4.0 95 0.8 4.4 122 6 317.2 318.8 295.0 342.9 8.13 15 606 4349 4.2 -0.4 72 4.6 1.7 129 7 320.1 321.3 294.3 339.8 6.14 16 546 5190 -0.9 -2.6 88 1.7 -1.8 146 8 323.7 324.8 295.0 342.6 5.80 17 511 5718 -2.9 -6.7 75 3.8 -4.7 156 9 327.5 328.4 295.0 342.6 4.54 18 500 5890 -4.5 -6.9 83 2.4 -5.7 160 9 327.6 328.5 295.0 342.8 4.56 19 406 7507 -14.9 -18.8 72 3.9 -16.2 146 11 334.2 334.6 294.7 341.7 2.13 20 401 7601 -14.1 -25.1 39 11.0 -17.2 145 11 336.4 336.7 294.6 341.0 1.24 21 400 7620 -14.3 -26.3 35 12.0 -17.6 145 11 336.4 336.6 294.4 340.5 1.12 22 393 7754 -15.1 -28.1 32 13.0 -18.4 143 11 337.1 337.3 294.5 340.6 0.96 23 364 8329 -18.5 -46.5 7 28.0 -22.6 137 13 340.0 340.0 294.5 340.6 0.16 24 336 8920 -22.5 -42.5 14 20.0 -25.5 130 15 342.4 342.5 295.1 343.5 0.27 25 314 9413 -27.1 -36.1 42 9.0 -28.6 124 16 342.7 342.8 295.5 344.9 0.56 26 300 9740 -28.9 -39.9 34 11.0 -30.5 120 17 344.6 344.7 295.8 346.2 0.40 27 290 9980 -30.7 -44.7 24 14.0 -32.3 111 16 345.4 345.5 295.8 346.4 0.25 28 251 10983 -39.3 -48.3 38 9.0 -40.0 71 9 347.2 347.3 296.2 348.0 0.19 29 250 11010 -39.5 -48.5 38 9.0 -40.2 70 9 347.3 347.4 296.2 348.1 0.19 30 247 11093 -39.9 -56.9 15 17.0 -40.9 71 9 347.9 348.0 296.3 348.2 0.07 31 230 11577 -44.1 -49.1 57 5.0 -44.5 76 9 348.7 348.8 296.5 349.5 0.19 32 225 11724 -45.1 -54.1 36 9.0 -45.6 77 9 349.4 349.4 296.6 349.8 0.11 33 209 12213 -49.5 -52.9 67 3.4 -49.7 82 9 350.0 350.0 296.7 350.5 0.13 34 208 12244 -49.9 -53.6 65 3.7 -50.1 82 9 349.8 349.8 296.7 350.3 0.12 35 202 12435 -51.7 -54.5 72 2.8 -51.8 84 9 349.9 349.9 296.7 350.4 0.12 36 200 12500 -52.1 -55.5 67 3.4 -52.2 85 9 350.3 350.3 296.8 350.7 0.10 37 188 12898 -55.1 -67.1 21 12.0 -55.4 88 10 351.7 351.7 297.0 351.8 0.02 38 170 13533 -60.9 -68.9 34 8.0 -61.0 93 12 352.3 352.3 297.1 352.4 0.02 39 150 14300 -67.1 -71.6 53 4.5 -67.1 100 15 354.5 354.5 297.6 354.6 0.02 40 149 14340 -67.7 -72.0 54 4.3 -67.7 100 15 354.1 354.1 297.5 354.2 0.02 41 117 15752 -79.9 -84.9 43 5.0 -79.9 109 24 357.0 357.0 298.1 357.0 0.00 42 101 16575 -84.5 -88.9 45 4.4 -84.5 115 29 363.4 363.4 299.4 363.4 0.00 43 100 16630 -83.3 -88.3 41 5.0 -83.3 115 29 366.8 366.8 300.0 366.8 0.00 TRP 101 16575 -84.5 -88.9 45 4.4 -84.5 115 29 363.4 363.4 299.4 363.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 556.59 mb = 5041.96 m = 16541.65 ft Wetbulb zero: 577.18 mb = 4742.32 m = 15558.60 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 82.53 % Est. max temperature: 32.68 C = 90.82 F Sfc-Lift cond lev (LCL): 969.83 mb = 368.69 m = 1209.58 ft T: 24.27 C 700-500 lapse rate: 5.76 C/km ThetaE index: 15.15 C Layer 746.0- 700.0 mb Conv cond level (CCL): 920.02 mb = 830.80 m = 2725.70 ft Mean mixing ratio: 18.09 g/kg Conv temperature: 29.83 C = 85.70 F Cap Strength: 0.57 C Lifted Index: -2.88 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.55 C Lifted Index @700 mb: -0.42 C Showalter Index: -1.53 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.90 C K Index: 30.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.80 Risk: None Energy Index: -1.48 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1049.84 J/kg Max Up Vert Vel: 45.82 m/s Conv Inhibition (B-): 5.41 J/kg Cap Strength: 0.57 C Lift Cond Lev (LCL): 939.46 mb = 647.94 m = 2125.75 ft Lev Free Conv (LFC): 874.46 mb = 1271.02 m = 4169.97 ft Equ Level (EL): 724.46 mb = 2873.96 m = 9428.89 ft B at Equ Level: 59.64 J/kg Wind level data Storm motion: 162 at 3 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 65 1 -0.9 -0.4 | 357 4 0.2 -3.7 1 1000 98 65 3 -2.7 -1.3 | 20 5 -1.6 -4.6 2 925 784 200 1 0.3 0.9 | 329 3 1.4 -2.4 3 850 1517 55 1 -0.8 -0.6 | 356 4 0.3 -3.9 4 700 3163 105 5 -4.8 1.3 | 62 4 -3.7 -2.0 5 500 5890 160 9 -3.1 8.5 | 159 6 -2.0 5.2 6 400 7620 145 11 -6.3 9.0 | 138 8 -5.2 5.7 7 300 9740 120 17 -14.7 8.5 | 111 15 -13.6 5.2 8 250 11010 70 9 -8.5 -3.1 | 49 10 -7.4 -6.4 9 200 12500 85 9 -9.0 -0.8 | 63 9 -7.9 -4.1 10 150 14300 100 15 -14.8 2.6 | 87 14 -13.7 -0.7 11 101 16575 115 29 -26.3 12.3 | 110 27 -25.2 9.0 12 100 16630 115 29 -26.3 12.3 | 110 27 -25.2 9.0 Wind Parameters Mean winds (0-6000m): 131.7 at 4.6 knts Storm direction: 161.7 at 3.5 knts Shear (0-3000m) pos: 0.7 neg: 0.3 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 57.8 deg Storm rel helicity (0-3000m) pos: 7.8 neg: -1.2 tot: 6.6 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 0.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 698.93 Bulk Shear: 1.50 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 88 2 20 4| 2.0 0.0 2.0| 2.2 -0.6 1.5 3.1 0.17| 5.5 0.9 1000 91 2 12 3| 0.7 0.0 0.7| 2.6 -1.1 1.5 1.5 0.09| 3.8 0.4 1500 87 2 7 3| 0.5 0.5 1.0| 3.1 -1.2 1.8 1.2 0.13| 3.1 0.4 2000 79 2 6 4| 0.4 0.4 0.8| 4.4 -1.2 3.2 1.6 0.23| 2.7 0.6 2500 82 2 11 4| 0.6 0.3 0.9| 6.0 -1.2 4.8 1.9 0.32| 2.4 0.8 3000 92 2 18 3| 0.7 0.3 1.0| 7.8 -1.2 6.6 2.2 0.41| 2.3 0.9 4000 104 3 35 3| 0.8 0.2 1.0| 10.8 -1.2 9.5 2.4 0.50| 2.1 1.0 5000 117 4 55 3| 0.9 0.2 1.1| 14.0 -1.2 12.8 2.6 0.58| 2.0 1.1 6000 132 5 85 2| 0.9 0.1 1.0| 17.5 -1.4 16.1 2.7 0.61| 1.9 1.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250417.00.gif