UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 5 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 27.2 23.2 79 4.0 24.3 145 3 299.3 302.6 297.0 351.8 17.97 1 1000 106 26.6 22.8 80 3.8 23.8 135 9 299.8 303.0 297.0 351.7 17.74 2 925 792 22.8 19.6 82 3.2 20.5 295 9 302.6 305.5 296.4 349.1 15.71 3 850 1525 17.6 16.1 91 1.5 16.6 5 13 304.6 307.1 295.6 345.4 13.67 4 832 1708 16.2 15.3 94 0.9 15.6 7 13 305.0 307.4 295.4 344.6 13.26 5 780 2257 15.2 7.2 59 8.0 10.3 14 12 309.6 311.1 293.0 334.7 8.20 6 700 3165 9.0 3.0 66 6.0 5.6 25 11 312.5 313.7 292.7 333.6 6.80 7 697 3201 8.8 3.8 71 5.0 5.9 26 11 312.6 314.0 293.1 335.1 7.23 8 675 3465 7.0 0.0 61 7.0 3.2 30 11 313.5 314.6 292.1 331.3 5.68 9 627 4068 4.8 -8.2 38 13.0 -1.2 41 11 317.6 318.3 291.2 328.4 3.29 10 574 4782 1.0 -18.0 23 19.0 -5.9 54 11 321.3 321.6 290.8 326.8 1.61 11 558 5009 -0.3 -10.3 47 10.0 -4.7 59 11 322.4 323.0 292.4 332.8 3.13 12 516 5631 -3.3 -21.3 23 18.0 -9.3 70 11 326.1 326.3 291.9 330.8 1.35 13 503 5833 -3.9 -16.9 36 13.0 -8.8 74 11 327.7 328.1 293.0 334.7 2.02 14 500 5880 -3.7 -17.7 33 14.0 -8.9 75 11 328.5 328.9 293.1 335.1 1.90 15 499 5896 -3.7 -16.7 36 13.0 -8.6 75 11 328.7 329.1 293.3 335.9 2.07 16 483 6153 -5.7 -16.7 42 11.0 -9.8 78 12 329.3 329.8 293.5 336.8 2.14 17 445 6793 -10.1 -25.1 28 15.0 -14.5 85 14 331.6 331.8 293.2 335.6 1.12 18 425 7148 -12.7 -19.7 56 7.0 -15.0 90 15 332.7 333.0 294.1 339.3 1.89 19 418 7275 -13.5 -19.5 61 6.0 -15.5 91 16 333.2 333.6 294.3 340.1 1.95 20 409 7441 -14.1 -28.1 30 14.0 -17.7 93 16 334.5 334.7 293.8 337.9 0.92 21 400 7610 -15.3 -27.3 35 12.0 -18.4 95 17 335.1 335.3 294.0 338.8 1.02 22 398 7648 -15.5 -29.5 29 14.0 -18.9 95 17 335.3 335.5 293.9 338.4 0.83 23 392 7762 -16.1 -26.1 42 10.0 -18.8 94 17 336.0 336.2 294.4 340.2 1.16 24 378 8035 -18.3 -29.3 37 11.0 -20.9 92 16 336.6 336.8 294.3 339.9 0.89 25 346 8691 -20.5 -48.5 6 28.0 -24.2 87 14 342.3 342.3 295.0 342.8 0.14 26 300 9730 -28.3 -54.3 6 26.0 -30.7 80 11 345.5 345.5 295.7 345.8 0.08 27 250 11000 -38.9 -61.9 7 23.0 -40.1 200 7 348.2 348.2 296.3 348.4 0.04 28 245 11139 -39.9 -62.9 7 23.0 -40.9 203 7 348.8 348.8 296.4 348.9 0.03 29 200 12490 -52.5 -64.5 22 12.0 -52.8 235 7 349.6 349.6 296.6 349.8 0.03 30 194 12685 -54.1 -68.1 16 14.0 -54.4 222 9 350.1 350.1 296.7 350.2 0.02 31 192 12752 -54.9 -63.9 32 9.0 -55.1 217 10 349.9 349.9 296.7 350.0 0.04 32 189 12852 -55.3 -58.4 68 3.1 -55.4 210 11 350.8 350.8 296.9 351.2 0.08 33 150 14280 -67.7 -74.7 36 7.0 -67.8 110 29 353.5 353.5 297.4 353.5 0.01 34 128 15215 -75.3 -82.3 33 7.0 -75.3 104 29 356.2 356.2 298.0 356.2 0.00 35 121 15540 -75.9 -85.9 19 10.0 -75.9 102 29 360.9 360.9 298.9 360.9 0.00 36 100 16620 -83.1 -89.1 34 6.0 -83.1 95 29 367.2 367.2 300.1 367.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 561.69 mb = 4956.71 m = 16261.96 ft Wetbulb zero: 639.58 mb = 3905.43 m = 12812.95 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 59.15 % Est. max temperature: 32.15 C = 89.88 F Sfc-Lift cond lev (LCL): 955.17 mb = 509.57 m = 1671.81 ft T: 24.36 C 700-500 lapse rate: 4.68 C/km ThetaE index: 18.19 C Layer 1000.0- 697.0 mb Conv cond level (CCL): 880.76 mb = 1216.82 m = 3992.16 ft Mean mixing ratio: 16.69 g/kg Conv temperature: 31.66 C = 88.98 F Cap Strength: 1.65 C Lifted Index: -0.91 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.14 C Lifted Index @700 mb: -1.68 C Showalter Index: 0.97 C Risk: Thunderstorms probable Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 19.80 C K Index: 31.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 230.20 Risk: None Energy Index: -2.01 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 433.22 J/kg Max Up Vert Vel: 29.44 m/s Conv Inhibition (B-): 20.20 J/kg Cap Strength: 1.65 C Lift Cond Lev (LCL): 913.97 mb = 896.02 m = 2939.66 ft Lev Free Conv (LFC): 848.97 mb = 1535.39 m = 5037.30 ft Equ Level (EL): 788.97 mb = 2159.41 m = 7084.59 ft B at Equ Level: 13.52 J/kg Max Parcel Lev (MPL): 108.97 mb = 16133.58 m = 52931.03 ft Wind level data Storm motion: 61 at 8 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 19 145 3 -1.7 2.5 | 220 8 5.5 6.5 1 1000 106 135 9 -6.4 6.4 | 185 10 0.8 10.4 2 925 792 295 9 8.2 -3.8 | 269 15 15.4 0.2 3 850 1525 5 13 -1.1 -13.0 | 326 11 6.1 -9.0 4 700 3165 25 11 -4.6 -10.0 | 337 6 2.5 -6.0 5 500 5880 75 11 -10.6 -2.8 | 109 4 -3.4 1.1 6 400 7610 95 17 -16.9 1.5 | 119 11 -9.7 5.5 7 300 9730 80 11 -10.8 -1.9 | 120 4 -3.6 2.1 8 250 11000 200 7 2.4 6.6 | 222 14 9.6 10.6 9 200 12490 235 7 5.7 4.0 | 238 15 12.9 8.0 10 150 14280 110 29 -27.3 9.9 | 125 24 -20.1 13.9 11 100 16620 95 29 -28.9 2.5 | 107 23 -21.7 6.5 Wind Parameters Mean winds (0-6000m): 31.0 at 11.0 knts Storm direction: 61.0 at 8.2 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 115.7 deg Storm rel helicity (0-3000m) pos: 142.9 neg: -13.5 tot: 129.4 m^2/s^2 ave: 43.1 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 5.4 10^-3/s Energy-Hel index: 0.38 Bulk Rich Number: 9.68 Bulk Shear: 44.77 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 ------------------------------------------------------------------------------- 500 174 8 207 14| 9.6 0.0 9.6| 49.8 -13.5 36.3 72.6 0.34| 21.3 7.2 1000 268 9 255 17| 6.8 0.0 6.8|107.2 -13.5 93.7 93.7 0.59| 17.8 10.5 1500 330 10 290 13| 5.3 0.0 5.3|138.8 -13.5 125.3 83.6 0.67| 15.3 10.2 2000 350 10 305 11| 3.8 0.0 3.8|140.8 -13.5 127.4 63.7 0.66| 11.9 7.9 2500 358 11 312 10| 2.8 0.0 2.8|142.1 -13.5 128.6 51.4 0.65| 9.8 6.4 3000 4 11 317 9| 2.2 0.0 2.2|142.9 -13.5 129.4 43.1 0.64| 8.4 5.4 4000 12 11 324 8| 1.6 0.0 1.6|146.1 -13.5 132.6 33.2 0.64| 6.7 4.3 5000 22 11 333 7| 1.2 0.0 1.2|148.9 -13.5 135.4 27.1 0.66| 5.8 3.8 6000 31 11 344 6| 0.9 0.0 0.9|151.2 -13.5 137.7 22.9 0.67| 5.1 3.4 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251205.12.gif