UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 10 OCT 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 1009 19 28.0 24.6 82 3.4 25.5 145 1 300.4 304.0 298.3 358.2 19.65 1 1000 79 27.4 24.4 84 3.0 25.2 145 3 300.5 304.1 298.4 358.2 19.59 2 925 766 22.4 19.2 82 3.2 20.2 130 7 302.2 305.0 296.1 347.4 15.31 3 888 1121 20.8 14.8 69 6.0 16.8 96 4 304.1 306.3 294.3 339.9 12.00 4 850 1499 18.4 15.0 81 3.4 16.1 60 1 305.4 307.8 295.1 343.5 12.72 5 796 2060 14.4 13.5 94 0.9 13.8 82 4 306.9 309.2 295.3 344.0 12.32 6 722 2882 11.2 6.6 73 4.6 8.4 115 9 312.1 313.7 293.9 338.4 8.50 7 700 3141 9.4 6.7 83 2.7 7.8 125 11 312.9 314.6 294.4 340.3 8.83 8 665 3566 7.2 4.4 82 2.8 5.5 131 12 315.0 316.6 294.3 339.8 7.91 9 544 5198 -1.7 -2.1 97 0.4 -1.9 155 14 323.1 324.3 295.0 342.7 6.04 10 542 5228 -1.9 -2.4 96 0.5 -2.1 155 14 323.2 324.3 294.9 342.5 5.93 11 506 5775 -3.1 -7.6 71 4.5 -5.3 164 15 328.1 329.0 294.9 342.5 4.27 12 505 5791 -3.1 -6.5 77 3.4 -4.8 164 15 328.3 329.3 295.3 343.9 4.66 13 500 5870 -3.7 -6.8 79 3.1 -5.2 165 15 328.5 329.4 295.3 343.9 4.60 14 452 6657 -9.5 -10.3 94 0.8 -9.9 156 11 330.9 331.6 295.3 344.0 3.87 15 412 7366 -13.7 -15.0 90 1.3 -14.2 148 8 334.3 334.9 295.4 344.4 2.90 16 409 7421 -13.7 -18.3 68 4.6 -15.3 147 8 335.0 335.5 295.0 342.9 2.21 17 400 7590 -14.9 -19.8 66 4.9 -16.5 145 7 335.6 336.0 295.0 342.7 1.99 18 394 7704 -15.5 -20.5 65 5.0 -17.1 144 7 336.3 336.7 295.1 343.1 1.90 19 318 9290 -25.7 -37.7 32 12.0 -27.7 137 7 343.4 343.5 295.6 345.2 0.47 20 300 9710 -28.7 -37.7 42 9.0 -30.1 135 7 344.9 345.0 296.0 346.9 0.50 21 272 10405 -34.7 -36.9 80 2.2 -35.0 138 8 346.0 346.2 296.3 348.3 0.59 22 250 10990 -39.5 -44.5 59 5.0 -39.9 140 9 347.3 347.4 296.3 348.5 0.29 23 249 11017 -39.7 -44.7 59 5.0 -40.2 139 9 347.4 347.5 296.3 348.6 0.29 24 232 11495 -44.1 -48.2 64 4.1 -44.4 130 10 347.9 347.9 296.4 348.7 0.21 25 230 11553 -44.5 -47.6 71 3.1 -44.7 129 10 348.1 348.2 296.4 349.0 0.23 26 226 11670 -45.3 -54.3 36 9.0 -45.7 126 10 348.6 348.7 296.4 349.1 0.11 27 213 12061 -48.9 -53.3 60 4.4 -49.1 118 10 349.0 349.0 296.5 349.5 0.13 28 200 12470 -52.5 -57.5 55 5.0 -52.7 110 11 349.6 349.6 296.6 350.0 0.08 29 181 13107 -57.9 -65.9 35 8.0 -58.0 105 17 351.0 351.0 296.8 351.1 0.03 30 166 13645 -63.1 -68.1 51 5.0 -63.1 100 23 351.1 351.1 296.9 351.2 0.02 31 150 14260 -68.5 -73.3 50 4.8 -68.5 95 29 352.1 352.1 297.1 352.1 0.01 32 122 15468 -78.1 -84.1 37 6.0 -78.1 100 40 356.0 356.0 297.9 356.0 0.00 33 115 15807 -76.1 -85.1 23 9.0 -76.1 100 39 365.8 365.8 299.8 365.8 0.00 34 100 16610 -77.3 -85.3 27 8.0 -77.3 100 35 378.4 378.4 302.0 378.4 0.00 TRP 122 15468 -78.1 -84.1 37 6.0 -78.1 100 40 356.0 356.0 297.9 356.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 567.11 mb = 4886.65 m = 16032.11 ft Wetbulb zero: 575.12 mb = 4746.35 m = 15571.81 ft Precipitable water: 2.35 inches Sfc-500 mean rel hum: 84.29 % Est. max temperature: 32.74 C = 90.93 F Sfc-Lift cond lev (LCL): 960.95 mb = 430.03 m = 1410.83 ft T: 24.85 C 700-500 lapse rate: 4.80 C/km ThetaE index: 18.32 C Layer 925.0- 850.0 mb Conv cond level (CCL): 877.76 mb = 1221.39 m = 4007.13 ft Mean mixing ratio: 17.16 g/kg Conv temperature: 32.09 C = 89.76 F Cap Strength: 1.13 C Lifted Index: -1.49 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.47 C Lifted Index @700 mb: -1.75 C Showalter Index: 1.67 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 18.70 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 197.00 Risk: None Energy Index: 0.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 861.64 J/kg Max Up Vert Vel: 41.51 m/s Conv Inhibition (B-): 19.71 J/kg Cap Strength: 1.13 C Lift Cond Lev (LCL): 915.96 mb = 851.40 m = 2793.29 ft Lev Free Conv (LFC): 840.96 mb = 1590.29 m = 5217.43 ft Equ Level (EL): 150.96 mb = 14221.10 m = 46656.58 ft B at Equ Level: 859.96 J/kg Wind level data Storm motion: 172 at 7 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 1009 19 145 1 -0.6 0.8 | 356 6 0.4 -5.9 1 1000 79 145 3 -1.7 2.5 | 10 4 -0.7 -4.3 2 925 766 130 7 -5.4 4.5 | 63 5 -4.4 -2.2 3 850 1499 60 1 -0.9 -0.5 | 359 7 0.1 -7.2 4 700 3141 125 11 -9.0 6.3 | 87 8 -8.0 -0.4 5 500 5870 165 15 -3.9 14.5 | 159 8 -2.9 7.7 6 400 7590 145 7 -4.0 5.7 | 72 3 -3.0 -1.0 7 300 9710 135 7 -4.9 4.9 | 66 4 -4.0 -1.8 8 250 10990 140 9 -5.8 6.9 | 92 5 -4.8 0.1 9 200 12470 110 11 -10.3 3.8 | 72 10 -9.4 -3.0 10 150 14260 95 29 -28.9 2.5 | 81 28 -27.9 -4.2 11 122 15468 100 40 -39.4 6.9 | 90 38 -38.4 0.2 12 100 16610 100 35 -34.5 6.1 | 89 34 -33.5 -0.7 Wind Parameters Mean winds (0-6000m): 141.8 at 9.1 knts Storm direction: 171.8 at 6.8 knts Shear (0-3000m) pos: 1.7 neg: 0.2 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 82.4 deg Storm rel helicity (0-3000m) pos: 28.9 neg: -12.3 tot: 16.7 m^2/s^2 ave: 5.6 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 1.5 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 243.90 Bulk Shear: 3.53 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 ------------------------------------------------------------------------------- 500 139 4 23 4| 0.0 4.7 4.7| 4.3 0.0 4.3 8.7 0.81| 4.8 3.9 1000 131 5 39 4| 0.0 2.2 2.2| 5.5 -3.9 1.6 1.6 0.25| 4.7 1.2 1500 129 4 30 5| 0.0 0.5 0.5| 5.5 -12.3 -6.7 -4.5 -0.15| 4.7 -0.7 2000 121 4 27 5| 0.8 0.4 1.2| 11.9 -12.3 -0.4 -0.2 0.06| 4.3 0.3 2500 116 4 30 6| 1.3 0.3 1.6| 19.7 -12.3 7.4 3.0 0.23| 4.2 1.0 3000 122 5 39 5| 1.7 0.2 1.9| 28.9 -12.3 16.7 5.6 0.36| 4.3 1.5 4000 127 7 57 5| 1.6 0.2 1.7| 37.4 -12.3 25.1 6.3 0.45| 3.7 1.7 5000 134 8 75 5| 1.4 0.1 1.6| 44.7 -12.3 32.4 6.5 0.51| 3.3 1.7 6000 142 9 95 5| 1.3 0.1 1.4| 51.2 -13.0 38.2 6.4 0.53| 3.1 1.7 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251010.12.gif