UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 4 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 24.8 23.9 95 0.9 24.2 65 3 296.9 300.3 296.9 351.2 18.76 1 1000 104 24.0 23.4 96 0.6 23.6 70 9 297.1 300.5 296.7 350.5 18.41 2 925 785 21.2 20.4 95 0.8 20.6 105 15 301.0 304.0 296.5 349.6 16.53 3 850 1517 17.8 16.7 93 1.1 17.1 120 15 304.8 307.4 296.0 347.2 14.21 4 754 2537 12.4 12.4 100 0.0 12.4 117 13 309.6 311.8 295.8 346.4 12.09 5 710 3042 10.8 9.4 91 1.4 9.9 115 11 313.2 315.2 295.7 345.6 10.49 6 700 3161 9.8 8.9 94 0.9 9.2 115 11 313.3 315.3 295.6 345.2 10.29 7 569 4853 -0.3 -1.9 89 1.6 -1.2 121 13 320.6 321.7 294.2 339.5 5.86 8 566 4896 -0.3 -3.2 81 2.9 -1.8 121 14 321.1 322.1 293.9 338.4 5.34 9 536 5330 -2.7 -2.7 100 0.0 -2.7 123 14 323.3 324.4 294.9 342.4 5.86 10 518 5601 -3.9 -7.4 77 3.5 -5.5 124 15 325.0 325.8 294.1 339.0 4.24 11 515 5647 -4.3 -5.1 94 0.8 -4.7 124 15 325.0 326.0 294.7 341.8 5.09 12 500 5880 -5.3 -7.0 88 1.7 -6.1 125 15 326.6 327.5 294.7 341.7 4.53 13 492 6006 -6.3 -7.1 94 0.8 -6.7 127 14 326.9 327.8 294.8 342.1 4.57 14 486 6102 -6.3 -11.2 68 4.9 -8.4 129 14 328.0 328.7 294.1 339.3 3.35 15 476 6265 -6.9 -10.6 75 3.7 -8.5 132 13 329.2 329.9 294.7 341.4 3.58 16 474 6297 -6.7 -12.7 62 6.0 -9.2 132 13 329.9 330.5 294.4 340.3 3.04 17 473 6314 -6.7 -12.7 62 6.0 -9.2 132 13 330.1 330.7 294.4 340.5 3.05 18 452 6666 -9.7 -13.5 74 3.8 -11.2 139 11 330.6 331.2 294.6 340.9 2.99 19 435 6962 -10.5 -21.5 40 11.0 -14.0 144 10 333.2 333.6 294.0 338.9 1.58 20 404 7525 -15.5 -18.7 76 3.2 -16.6 154 7 333.9 334.3 294.7 341.5 2.16 21 400 7600 -15.5 -18.5 78 3.0 -16.5 155 7 334.8 335.3 295.0 342.7 2.22 22 378 8025 -17.1 -19.0 85 1.9 -17.7 146 11 338.2 338.7 295.8 346.3 2.25 23 377 8045 -17.1 -19.4 82 2.3 -17.9 146 11 338.4 338.9 295.8 346.3 2.18 24 328 9075 -23.9 -26.1 82 2.2 -24.5 124 21 342.8 343.1 296.2 348.0 1.39 25 300 9720 -28.7 -31.3 78 2.6 -29.2 110 27 344.9 345.1 296.3 348.5 0.93 26 250 11000 -39.3 -42.2 74 2.9 -39.6 110 21 347.6 347.7 296.4 349.1 0.37 27 249 11027 -39.5 -42.9 70 3.4 -39.8 110 21 347.7 347.8 296.4 349.1 0.35 28 202 12416 -52.3 -56.0 64 3.7 -52.4 100 27 349.0 349.0 296.5 349.4 0.10 29 200 12480 -52.9 -57.0 61 4.1 -53.0 100 27 349.0 349.0 296.5 349.4 0.09 30 171 13470 -61.9 -66.9 51 5.0 -62.0 116 29 350.1 350.1 296.7 350.2 0.03 31 160 13879 -64.9 -73.9 28 9.0 -65.0 123 30 351.7 351.7 297.0 351.8 0.01 32 150 14270 -68.1 -74.1 42 6.0 -68.1 130 31 352.8 352.8 297.3 352.8 0.01 33 144 14514 -69.9 -74.9 48 5.0 -69.9 137 29 353.8 353.8 297.4 353.8 0.01 34 140 14681 -71.1 -79.1 30 8.0 -71.1 141 27 354.5 354.5 297.6 354.6 0.01 35 136 14851 -71.9 -82.9 18 11.0 -71.9 146 26 356.1 356.1 297.9 356.1 0.00 36 100 16610 -83.3 -89.3 34 6.0 -83.3 195 9 366.8 366.8 300.0 366.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 572.89 mb = 4803.04 m = 15757.80 ft Wetbulb zero: 583.55 mb = 4647.04 m = 15246.02 ft Precipitable water: 2.54 inches Sfc-500 mean rel hum: 93.26 % Est. max temperature: 32.05 C = 89.69 F Sfc-Lift cond lev (LCL): 999.28 mb = 110.32 m = 361.95 ft T: 23.97 C 700-500 lapse rate: 5.55 C/km ThetaE index: 12.83 C Layer 1000.0- 536.0 mb Conv cond level (CCL): 928.81 mb = 749.11 m = 2457.67 ft Mean mixing ratio: 17.44 g/kg Conv temperature: 28.66 C = 83.59 F Cap Strength: 0.44 C Lifted Index: -2.39 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.39 C Lifted Index @700 mb: -0.83 C Showalter Index: -1.34 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 22.00 C K Index: 38.90 Risk: > 80 % chance of thunderstorms Sweat Index: 245.40 Risk: None Energy Index: -1.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 511.96 J/kg Max Up Vert Vel: 32.00 m/s Conv Inhibition (B-): 9.13 J/kg Cap Strength: 0.44 C Lift Cond Lev (LCL): 951.57 mb = 537.64 m = 1763.89 ft Lev Free Conv (LFC): 846.57 mb = 1551.43 m = 5089.95 ft Equ Level (EL): 176.57 mb = 13267.87 m = 43529.23 ft B at Equ Level: 511.71 J/kg Max Parcel Lev (MPL): 106.57 mb = 16246.17 m = 53300.43 ft Wind level data Storm motion: 146 at 10 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 65 3 -2.7 -1.3 | 344 10 2.8 -9.4 1 1000 104 70 9 -8.5 -3.1 | 15 12 -3.0 -11.2 2 925 785 105 15 -14.5 3.9 | 65 10 -9.0 -4.2 3 850 1517 120 15 -13.0 7.5 | 85 8 -7.5 -0.6 4 700 3161 115 11 -10.0 4.6 | 52 6 -4.5 -3.5 5 500 5880 125 15 -12.3 8.6 | 94 7 -6.8 0.5 6 400 7600 155 7 -3.0 6.3 | 305 3 2.5 -1.8 7 300 9720 110 27 -25.4 9.2 | 93 20 -19.9 1.1 8 250 11000 110 21 -19.7 7.2 | 86 14 -14.3 -0.9 9 200 12480 100 27 -26.6 4.7 | 81 21 -21.1 -3.4 10 150 14270 130 31 -23.7 19.9 | 123 22 -18.3 11.8 11 100 16610 195 9 2.3 8.7 | 266 8 7.8 0.6 Wind Parameters Mean winds (0-6000m): 116.0 at 13.0 knts Storm direction: 146.0 at 9.8 knts Shear (0-3000m) pos: 2.3 neg: 0.7 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 72.2 deg Storm rel helicity (0-3000m) pos: 49.0 neg: -5.8 tot: 43.3 m^2/s^2 ave: 14.4 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.6 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 67.62 Bulk Shear: 7.57 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 81 10 24 11| 10.3 0.0 10.3| 31.1 0.0 31.1 62.2 0.97| 11.8 11.5 1000 95 12 43 10| 6.7 0.0 6.7| 44.3 0.0 44.3 44.3 0.96| 8.6 8.3 1500 103 13 54 9| 4.6 0.0 4.6| 49.0 0.0 49.0 32.7 0.94| 6.7 6.3 2000 107 13 60 8| 3.5 0.3 3.8| 49.0 -2.0 47.0 23.5 0.83| 5.3 4.4 2500 109 13 63 8| 2.8 0.5 3.3| 49.0 -3.9 45.1 18.0 0.73| 4.5 3.3 3000 111 13 63 8| 2.3 0.7 3.0| 49.0 -5.8 43.3 14.4 0.64| 4.0 2.6 4000 112 13 62 7| 1.9 0.5 2.4| 51.0 -6.1 44.9 11.2 0.64| 3.2 2.1 5000 114 13 65 7| 1.7 0.4 2.1| 53.6 -6.1 47.5 9.5 0.66| 2.7 1.8 6000 116 13 69 7| 1.5 0.3 1.8| 56.3 -6.1 50.2 8.4 0.67| 2.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251204.00.gif