UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 28 DEC 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 1012 19 26.2 21.2 74 5.0 22.6 150 3 298.3 301.2 295.4 344.4 15.85 1 1000 107 25.6 20.6 74 5.0 22.1 145 7 298.8 301.6 295.2 343.7 15.45 2 925 791 22.2 19.4 84 2.8 20.2 265 9 302.0 304.9 296.1 347.8 15.51 3 882 1204 19.2 17.8 92 1.4 18.2 313 8 303.0 305.8 295.8 346.6 14.70 4 850 1522 17.4 15.0 86 2.4 15.8 350 7 304.4 306.7 294.8 342.3 12.72 5 812 1912 14.6 11.9 84 2.7 12.9 357 7 305.4 307.4 293.8 337.9 10.85 6 801 2027 15.0 7.0 59 8.0 10.2 359 8 307.0 308.5 292.0 330.9 7.87 7 794 2102 15.4 9.4 67 6.0 11.6 1 8 308.2 310.0 293.5 336.7 9.37 8 715 2983 8.8 7.2 90 1.6 7.8 17 9 310.3 312.0 293.8 337.8 8.95 9 700 3159 10.0 1.0 54 9.0 5.1 20 9 313.6 314.7 292.3 332.1 5.89 10 683 3364 10.8 -34.2 3 45.0 -1.7 27 9 316.7 316.7 288.0 317.8 0.31 11 641 3890 8.0 -39.0 2 47.0 -3.7 44 8 319.3 319.3 288.8 320.0 0.20 12 629 4046 7.2 -24.8 8 32.0 -3.3 49 8 320.1 320.3 289.6 323.0 0.81 13 614 4244 5.6 -5.4 45 11.0 0.1 55 8 320.5 321.3 292.8 334.1 4.17 14 586 4623 2.0 -7.0 51 9.0 -2.3 68 8 320.6 321.3 292.6 333.2 3.86 15 556 5046 0.0 -17.0 26 17.0 -6.4 82 8 323.1 323.4 291.5 329.3 1.81 16 548 5162 -0.7 -12.7 40 12.0 -5.7 85 8 323.6 324.1 292.4 332.4 2.63 17 544 5221 -1.5 -5.2 76 3.7 -3.3 87 8 323.3 324.3 294.1 339.0 4.78 18 535 5354 -2.9 -4.6 88 1.7 -3.7 92 7 323.2 324.2 294.3 339.8 5.09 19 534 5368 -2.9 -4.8 87 1.9 -3.8 92 7 323.4 324.4 294.3 339.8 5.02 20 532 5398 -2.3 -15.3 36 13.0 -7.3 93 7 324.4 324.9 292.2 331.9 2.19 21 529 5443 -2.1 -17.1 31 15.0 -7.7 95 7 325.2 325.6 292.2 331.7 1.89 22 500 5890 -4.1 -27.1 15 23.0 -10.8 110 7 328.0 328.2 292.0 331.0 0.83 23 485 6129 -5.1 -35.1 7 30.0 -12.2 108 7 329.7 329.8 292.0 331.2 0.40 24 469 6391 -6.7 -36.7 7 30.0 -13.4 106 6 330.9 330.9 292.3 332.2 0.35 25 458 6575 -7.9 -19.9 37 12.0 -12.0 104 6 331.6 332.0 293.7 337.7 1.72 26 439 6902 -10.1 -30.1 18 20.0 -15.2 101 6 332.9 333.0 293.2 335.5 0.71 27 408 7460 -13.9 -30.9 22 17.0 -18.0 96 5 335.0 335.2 293.7 337.7 0.71 28 403 7554 -14.7 -21.7 55 7.0 -16.9 96 5 335.2 335.5 294.6 341.2 1.67 29 400 7610 -15.1 -24.1 46 9.0 -17.7 95 5 335.4 335.6 294.4 340.3 1.36 30 399 7629 -15.3 -24.3 46 9.0 -17.9 96 5 335.3 335.6 294.4 340.2 1.34 31 396 7686 -15.1 -27.1 35 12.0 -18.3 99 5 336.3 336.5 294.4 340.2 1.05 32 393 7744 -15.5 -23.5 50 8.0 -17.9 102 5 336.5 336.8 294.8 341.8 1.46 33 386 7880 -15.9 -37.9 13 22.0 -20.1 110 5 337.7 337.8 294.1 339.2 0.38 34 361 8383 -17.9 -55.9 2 38.0 -22.4 138 4 341.6 341.6 294.7 341.8 0.05 35 354 8530 -18.7 -49.7 5 31.0 -22.9 146 3 342.4 342.5 295.0 342.9 0.12 36 301 9716 -29.1 -39.1 37 10.0 -30.6 214 1 344.0 344.1 295.7 345.7 0.43 37 300 9740 -29.3 -39.3 37 10.0 -30.7 215 1 344.1 344.2 295.7 345.7 0.42 38 251 10983 -38.9 -55.9 15 17.0 -39.9 171 7 347.8 347.9 296.2 348.2 0.08 39 250 11010 -39.3 -55.3 17 16.0 -40.3 170 7 347.6 347.7 296.2 348.0 0.08 40 218 11935 -47.3 -60.3 21 13.0 -47.8 152 19 349.2 349.2 296.5 349.4 0.05 41 203 12403 -51.5 -55.5 62 4.0 -51.7 142 26 349.7 349.7 296.7 350.2 0.10 42 200 12500 -52.3 -60.3 38 8.0 -52.5 140 27 349.9 350.0 296.7 350.2 0.06 43 193 12729 -54.5 -60.5 47 6.0 -54.6 142 28 350.0 350.0 296.7 350.3 0.06 44 183 13066 -57.5 -61.4 61 3.9 -57.6 145 29 350.5 350.5 296.8 350.7 0.05 45 174 13382 -59.9 -70.9 22 11.0 -60.0 147 30 351.6 351.6 297.0 351.7 0.02 46 150 14290 -67.7 -75.7 31 8.0 -67.8 155 33 353.5 353.5 297.4 353.5 0.01 47 130 15135 -75.3 -79.7 50 4.4 -75.3 139 32 354.6 354.6 297.6 354.6 0.01 48 119 15643 -78.9 -87.9 22 9.0 -78.9 129 31 357.1 357.1 298.1 357.1 0.00 49 102 16510 -83.3 -90.3 28 7.0 -83.3 112 29 364.7 364.7 299.6 364.7 0.00 50 100 16620 -83.7 -89.7 34 6.0 -83.7 110 29 366.0 366.0 299.8 366.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 556.00 mb = 5046.37 m = 16556.12 ft Wetbulb zero: 687.24 mb = 3312.21 m = 10866.69 ft Precipitable water: 1.76 inches Sfc-500 mean rel hum: 56.24 % Est. max temperature: 31.76 C = 89.16 F Sfc-Lift cond lev (LCL): 941.11 mb = 639.52 m = 2098.14 ft T: 22.95 C 700-500 lapse rate: 5.16 C/km ThetaE index: 20.01 C Layer 700.0- 641.0 mb Conv cond level (CCL): 867.00 mb = 1351.62 m = 4434.40 ft Mean mixing ratio: 15.49 g/kg Conv temperature: 31.54 C = 88.78 F Cap Strength: 2.34 C Lifted Index: 0.39 C Risk: Showers probable Lifted Index @300 mb: 1.38 C Lifted Index @700 mb: 0.55 C Showalter Index: 1.74 C Risk: Showers probable Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 19.10 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 201.00 Risk: None Energy Index: -2.10 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.99 J/kg Max Up Vert Vel: 8.12 m/s Conv Inhibition (B-): 34.47 J/kg Cap Strength: 2.29 C Lift Cond Lev (LCL): 908.61 mb = 946.11 m = 3104.00 ft Lev Free Conv (LFC): 823.61 mb = 1790.74 m = 5875.07 ft Equ Level (EL): 803.61 mb = 1999.84 m = 6561.07 ft B at Equ Level: 6.55 J/kg Max Parcel Lev (MPL): 773.61 mb = 2320.60 m = 7613.42 ft Wind level data Storm motion: 58 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 1012 19 150 3 -1.5 2.6 | 212 7 3.6 5.7 1 1000 107 145 7 -4.0 5.7 | 187 9 1.0 8.9 2 925 791 265 9 9.0 0.8 | 254 15 14.0 3.9 3 850 1522 350 7 1.2 -6.9 | 301 7 6.3 -3.8 4 700 3159 20 9 -3.1 -8.5 | 340 6 2.0 -5.3 5 500 5890 110 7 -6.6 2.4 | 165 6 -1.5 5.5 6 400 7610 95 5 -5.0 0.4 | 181 4 0.1 3.6 7 300 9740 215 1 0.6 0.8 | 235 7 5.6 3.9 8 250 11010 170 7 -1.2 6.9 | 201 11 3.8 10.0 9 200 12500 140 27 -17.4 20.7 | 153 27 -12.3 23.8 10 150 14290 155 33 -13.9 29.9 | 165 34 -8.9 33.0 11 100 16620 110 29 -27.3 9.9 | 120 26 -22.2 13.0 Wind Parameters Mean winds (0-6000m): 28.4 at 7.9 knts Storm direction: 58.4 at 5.9 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 123.6 deg Storm rel helicity (0-3000m) pos: 87.8 neg: -6.6 tot: 81.1 m^2/s^2 ave: 27.0 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.19 Bulk Shear: 27.73 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 ------------------------------------------------------------------------------- 500 178 7 205 11| 7.8 0.0 7.8| 25.0 -6.6 18.3 36.7 0.34| 13.9 4.7 1000 234 8 236 14| 5.6 0.0 5.6| 65.3 -6.6 58.7 58.7 0.62| 12.7 7.9 1500 265 8 254 13| 3.4 0.0 3.4| 80.9 -6.6 74.3 49.5 0.64| 11.2 7.2 2000 299 8 273 12| 2.7 0.0 2.7| 83.2 -6.6 76.6 38.3 0.65| 8.7 5.7 2500 324 8 288 10| 2.2 0.0 2.2| 85.5 -6.6 78.9 31.6 0.67| 7.3 4.8 3000 340 8 299 9| 1.9 0.0 1.9| 87.8 -6.6 81.1 27.0 0.68| 6.3 4.3 4000 1 8 315 7| 1.2 0.0 1.2| 91.8 -6.6 85.1 21.3 0.68| 5.4 3.7 5000 17 8 329 5| 0.7 0.0 0.7| 94.5 -6.6 87.9 17.6 0.71| 4.8 3.4 6000 28 8 341 4| 0.4 0.0 0.4| 97.8 -6.6 91.1 15.2 0.71| 4.3 3.0 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251228.12.gif