UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 14 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 1010 19 26.0 24.5 91 1.5 24.9 135 1 298.3 301.8 297.7 355.1 19.51 1 1000 86 24.8 23.2 91 1.6 23.6 135 3 298.0 301.3 296.8 350.8 18.19 2 999 95 24.8 23.0 90 1.8 23.5 136 3 298.0 301.3 296.7 350.3 17.98 3 994 139 26.2 21.2 74 5.0 22.6 139 3 299.9 302.8 296.0 347.1 16.15 4 982 247 25.8 22.7 83 3.1 23.6 148 4 300.5 303.8 297.3 353.3 17.96 5 925 772 22.6 17.9 75 4.7 19.4 190 9 302.4 305.0 295.3 344.1 14.09 6 910 915 22.0 16.0 69 6.0 17.9 185 9 303.2 305.6 294.5 340.8 12.67 7 877 1235 19.4 17.8 90 1.6 18.3 174 10 303.7 306.5 296.1 347.7 14.78 8 850 1505 18.6 16.0 85 2.6 16.8 165 11 305.6 308.2 295.8 346.3 13.58 9 803 1993 16.2 13.7 85 2.5 14.6 156 11 308.1 310.4 295.6 345.5 12.37 10 797 2057 16.4 10.4 68 6.0 12.6 155 11 309.0 310.8 294.1 339.4 9.99 11 713 2997 10.4 9.3 93 1.1 9.7 138 11 312.4 314.3 295.4 344.4 10.38 12 700 3151 9.6 7.4 86 2.2 8.2 135 11 313.1 314.9 294.8 341.9 9.27 13 665 3577 8.0 3.0 71 5.0 5.1 127 10 315.9 317.3 294.0 338.5 7.16 14 589 4570 1.4 -0.1 90 1.5 0.6 107 7 319.4 320.7 294.3 340.1 6.46 15 529 5433 -2.3 -4.9 82 2.6 -3.6 89 4 325.0 325.9 294.7 341.5 5.03 16 526 5478 -2.3 -5.4 79 3.1 -3.8 88 4 325.5 326.4 294.7 341.6 4.87 17 500 5880 -5.1 -6.8 88 1.7 -5.9 80 3 326.8 327.7 294.8 342.1 4.60 18 467 6410 -9.1 -9.1 100 0.0 -9.1 92 4 328.3 329.1 294.8 342.1 4.12 19 434 6972 -11.5 -15.3 73 3.8 -12.9 105 4 332.2 332.7 294.7 341.5 2.68 20 422 7186 -13.3 -13.9 95 0.6 -13.5 110 5 332.6 333.2 295.1 343.3 3.10 21 400 7590 -15.5 -16.4 93 0.9 -15.8 120 5 334.8 335.4 295.3 344.2 2.66 22 385 7878 -17.7 -17.8 99 0.1 -17.7 109 5 335.6 336.1 295.3 344.3 2.45 23 350 8588 -20.9 -25.3 68 4.4 -22.1 81 6 340.6 340.9 295.7 345.7 1.40 24 329 9043 -24.5 -28.2 71 3.7 -25.4 62 6 341.7 342.0 295.7 346.0 1.14 25 324 9155 -24.9 -31.9 52 7.0 -26.3 58 6 342.7 342.8 295.7 345.8 0.82 26 313 9405 -26.9 -38.9 31 12.0 -28.7 48 7 343.3 343.4 295.5 344.9 0.42 27 309 9498 -27.9 -33.9 56 6.0 -29.0 44 7 343.1 343.3 295.7 345.9 0.70 28 308 9521 -28.1 -38.1 38 10.0 -29.6 43 7 343.2 343.3 295.5 345.0 0.46 29 303 9639 -29.1 -34.1 62 5.0 -30.0 38 7 343.4 343.5 295.8 346.1 0.70 30 300 9710 -29.5 -34.5 62 5.0 -30.3 35 7 343.8 343.9 295.8 346.4 0.68 31 261 10685 -37.9 -41.7 67 3.8 -38.3 12 10 345.4 345.5 296.0 346.9 0.38 32 250 10980 -40.1 -45.1 59 5.0 -40.5 5 11 346.4 346.5 296.1 347.6 0.27 33 220 11838 -47.7 -52.5 58 4.8 -47.9 14 16 347.6 347.7 296.3 348.2 0.13 34 201 12428 -52.7 -60.7 37 8.0 -52.9 20 19 348.8 348.8 296.4 349.0 0.05 35 200 12460 -53.1 -60.1 42 7.0 -53.3 20 19 348.7 348.7 296.4 348.9 0.06 36 178 13201 -59.9 -64.3 56 4.4 -60.0 20 20 349.4 349.4 296.5 349.5 0.04 37 170 13487 -62.5 -69.5 38 7.0 -62.6 20 20 349.7 349.7 296.5 349.7 0.02 38 164 13708 -64.7 -75.7 21 11.0 -64.8 20 20 349.6 349.6 296.5 349.6 0.01 39 150 14250 -67.3 -76.3 27 9.0 -67.4 20 21 354.2 354.2 297.5 354.2 0.01 40 110 16061 -80.9 -85.1 49 4.2 -80.9 85 7 361.4 361.4 299.0 361.4 0.00 41 100 16600 -79.7 -85.7 36 6.0 -79.7 90 36 373.7 373.7 301.2 373.8 0.00 TRP 110 16061 -80.9 -85.1 49 4.2 -80.9 85 7 361.4 361.4 299.0 361.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 566.30 mb = 4896.58 m = 16064.72 ft Wetbulb zero: 580.74 mb = 4683.55 m = 15365.79 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 81.94 % Est. max temperature: 32.64 C = 90.75 F Sfc-Lift cond lev (LCL): 988.68 mb = 186.54 m = 611.99 ft T: 26.02 C 700-500 lapse rate: 5.39 C/km ThetaE index: 12.48 C Layer 925.0- 877.0 mb Conv cond level (CCL): 851.69 mb = 1487.89 m = 4881.48 ft Mean mixing ratio: 16.07 g/kg Conv temperature: 33.23 C = 91.82 F Cap Strength: 2.14 C Lifted Index: -1.55 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.22 C Lifted Index @700 mb: -0.56 C Showalter Index: -0.78 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.10 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 217.00 Risk: None Energy Index: -0.87 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 329.75 J/kg Max Up Vert Vel: 25.68 m/s Conv Inhibition (B-): 79.90 J/kg Cap Strength: 2.14 C Lift Cond Lev (LCL): 908.00 mb = 933.78 m = 3063.54 ft Lev Free Conv (LFC): 723.00 mb = 2879.77 m = 9447.95 ft Equ Level (EL): 233.00 mb = 11452.74 m = 37574.15 ft B at Equ Level: 329.32 J/kg Max Parcel Lev (MPL): 123.00 mb = 15408.72 m = 50552.93 ft Wind level data Storm motion: 175 at 6 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 | 2 5 -0.2 -5.4 1 1000 86 135 3 -2.1 2.1 | 22 4 -1.6 -4.0 2 925 772 190 9 1.6 8.9 | 217 3 2.1 2.8 3 850 1505 165 11 -2.8 10.6 | 153 5 -2.3 4.5 4 700 3151 135 11 -7.8 7.8 | 103 7 -7.3 1.7 5 500 5880 80 3 -3.0 -0.5 | 20 7 -2.4 -6.6 6 400 7590 120 5 -4.3 2.5 | 47 5 -3.8 -3.6 7 300 9710 35 7 -4.0 -5.7 | 16 12 -3.5 -11.8 8 250 10980 5 11 -1.0 -11.0 | 1 17 -0.4 -17.1 9 200 12460 20 19 -6.5 -17.9 | 14 25 -6.0 -24.0 10 150 14250 20 21 -7.2 -19.7 | 14 27 -6.7 -25.8 11 110 16061 85 7 -7.0 -0.6 | 44 9 -6.4 -6.7 12 100 16600 90 36 -36.0 0.0 | 80 36 -35.5 -6.1 Wind Parameters Mean winds (0-6000m): 145.1 at 8.2 knts Storm direction: 175.1 at 6.1 knts Shear (0-3000m) pos: 1.5 neg: 1.3 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 104.1 deg Storm rel helicity (0-3000m) pos: 4.7 neg: -12.1 tot: -7.3 m^2/s^2 ave: -2.4 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 3.5 stream: -0.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 157.66 Bulk Shear: 2.09 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 ------------------------------------------------------------------------------- 500 157 4 30 2| 6.2 0.0 6.2| 3.9 0.0 3.9 7.8 0.73| 7.1 5.2 1000 179 6 230 1| 4.6 0.0 4.6| 4.7 -1.1 3.6 3.6 0.51| 6.0 3.1 1500 176 8 178 2| 3.1 1.1 4.2| 4.7 -4.5 0.2 0.2 0.20| 5.2 1.1 2000 171 9 160 2| 2.3 1.2 3.6| 4.7 -6.9 -2.1 -1.1 0.08| 4.3 0.4 2500 166 9 148 3| 1.9 1.3 3.2| 4.7 -9.4 -4.6 -1.8 -0.01| 3.8 -0.0 3000 161 9 138 4| 1.5 1.3 2.9| 4.7 -12.1 -7.3 -2.4 -0.08| 3.5 -0.3 4000 153 10 122 4| 1.2 1.2 2.4| 4.7 -20.4 -15.7 -3.9 -0.24| 3.2 -0.8 5000 147 9 109 5| 0.9 1.1 2.0| 4.7 -27.9 -23.1 -4.6 -0.35| 2.9 -1.0 6000 145 8 98 4| 0.8 0.9 1.7| 5.0 -33.1 -28.1 -4.7 -0.40| 2.7 -1.1 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251014.00.gif