UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 8 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 1011 19 26.8 20.8 70 6.0 22.5 175 3 299.0 301.8 295.3 344.1 15.47 1 1000 99 26.8 19.8 66 7.0 21.9 195 3 300.0 302.6 295.0 342.9 14.69 2 980 278 25.8 17.8 61 8.0 20.3 226 5 300.7 303.1 294.1 339.4 13.20 3 925 784 21.8 16.8 73 5.0 18.4 315 11 301.6 304.0 294.4 340.3 13.12 4 850 1511 15.4 14.2 93 1.2 14.6 340 9 302.3 304.5 293.8 338.0 12.07 5 828 1733 13.4 12.8 96 0.6 13.0 354 9 302.4 304.5 293.3 335.9 11.29 6 787 2159 11.6 9.6 88 2.0 10.3 22 8 304.9 306.7 292.7 333.7 9.58 7 762 2429 10.8 3.8 62 7.0 6.9 39 8 306.9 308.1 290.9 327.1 6.61 8 728 2812 14.0 -24.0 6 38.0 1.0 64 7 314.4 314.6 287.8 317.0 0.75 9 725 2847 14.2 -22.8 6 37.0 1.2 66 7 315.0 315.2 288.1 317.9 0.84 10 704 3095 13.6 -27.4 4 41.0 0.3 82 7 317.0 317.1 288.4 319.1 0.57 11 700 3143 13.2 -28.8 4 42.0 -0.0 85 7 317.1 317.2 288.4 318.9 0.51 12 560 4970 0.0 -26.0 12 26.0 -7.8 88 24 322.4 322.6 290.3 325.3 0.82 13 511 5698 -3.5 -32.5 8 29.0 -10.8 90 31 326.7 326.8 291.3 328.5 0.49 14 505 5791 -2.9 -33.9 7 31.0 -10.6 90 32 328.6 328.7 291.7 330.2 0.43 15 500 5870 -3.5 -34.5 7 31.0 -11.1 90 33 328.8 328.9 291.8 330.3 0.41 16 400 7600 -13.7 -47.7 4 34.0 -19.0 70 35 337.2 337.2 293.7 337.7 0.13 17 361 8371 -18.7 -49.7 5 31.0 -22.9 77 31 340.5 340.6 294.6 341.0 0.11 18 316 9347 -26.3 -49.3 10 23.0 -28.9 86 25 343.2 343.2 295.2 343.7 0.14 19 300 9720 -29.5 -43.5 25 14.0 -31.2 90 23 343.8 343.9 295.5 344.9 0.27 20 267 10538 -36.5 -41.5 60 5.0 -37.1 135 17 345.2 345.3 295.9 346.7 0.38 21 266 10563 -36.5 -41.5 60 5.0 -37.1 136 16 345.6 345.7 296.0 347.1 0.38 22 255 10854 -38.3 -51.3 24 13.0 -39.2 152 14 347.2 347.2 296.1 347.7 0.13 23 250 10990 -39.3 -42.5 72 3.2 -39.6 160 13 347.6 347.7 296.4 349.1 0.36 24 246 11101 -40.1 -52.1 27 12.0 -40.9 160 14 348.1 348.1 296.3 348.6 0.13 25 243 11184 -40.7 -47.7 47 7.0 -41.2 161 15 348.4 348.4 296.5 349.2 0.21 26 216 11976 -47.9 -52.0 63 4.1 -48.1 163 21 349.1 349.2 296.5 349.8 0.15 27 200 12480 -51.9 -55.7 64 3.8 -52.0 165 25 350.6 350.6 296.8 351.0 0.10 28 187 12912 -55.9 -59.4 65 3.5 -56.0 159 25 350.9 350.9 296.9 351.2 0.07 29 184 13015 -56.3 -61.2 54 4.9 -56.4 158 25 351.9 351.9 297.1 352.1 0.05 30 162 13811 -63.3 -66.5 65 3.2 -63.3 147 25 353.2 353.2 297.3 353.3 0.03 31 150 14280 -67.5 -71.7 55 4.2 -67.5 140 25 353.8 353.8 297.5 353.9 0.02 32 111 16022 -83.3 -87.7 46 4.4 -83.3 115 42 356.0 356.0 297.9 356.0 0.00 33 100 16600 -84.1 -88.5 46 4.4 -84.1 100 23 365.2 365.2 299.7 365.2 0.00 TRP 111 16022 -83.3 -87.7 46 4.4 -83.3 115 42 356.0 356.0 297.9 356.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 560.00 mb = 4970.45 m = 16307.05 ft Wetbulb zero: 700.44 mb = 3137.69 m = 10294.13 ft Precipitable water: 1.32 inches Sfc-500 mean rel hum: 38.45 % Est. max temperature: 29.98 C = 85.97 F Sfc-Lift cond lev (LCL): 926.61 mb = 768.78 m = 2522.20 ft T: 21.92 C 700-500 lapse rate: 6.12 C/km ThetaE index: 23.21 C Layer 850.0- 725.0 mb Conv cond level (CCL): 857.32 mb = 1437.23 m = 4715.28 ft Mean mixing ratio: 13.49 g/kg Conv temperature: 30.01 C = 86.03 F Cap Strength: 5.55 C Lifted Index: 3.04 C Risk: None Lifted Index @300 mb: 4.23 C Lifted Index @700 mb: 5.33 C Showalter Index: 4.16 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 17.70 C K Index: -8.90 Risk: None Sweat Index: 221.40 Risk: None Energy Index: -1.36 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.11 J/kg Max Up Vert Vel: 7.50 m/s Conv Inhibition (B-): 23.99 J/kg Cap Strength: 5.50 C Lift Cond Lev (LCL): 874.13 mb = 1270.33 m = 4167.69 ft Lev Free Conv (LFC): 839.13 mb = 1619.83 m = 5314.33 ft Equ Level (EL): 759.13 mb = 2460.76 m = 8073.28 ft B at Equ Level: 27.43 J/kg Max Parcel Lev (MPL): 729.13 mb = 2799.18 m = 9183.55 ft Wind level data Storm motion: 105 at 11 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 1011 19 175 3 -0.3 3.0 | 269 10 10.1 0.2 1 1000 99 195 3 0.8 2.9 | 269 11 11.1 0.1 2 925 784 315 11 7.8 -7.8 | 300 21 18.1 -10.6 3 850 1511 340 9 3.1 -8.5 | 310 17 13.4 -11.2 4 700 3143 85 7 -7.0 -0.6 | 315 5 3.3 -3.4 5 500 5870 90 33 -33.0 0.0 | 83 23 -22.7 -2.8 6 400 7600 70 35 -32.9 -12.0 | 57 27 -22.6 -14.7 7 300 9720 90 23 -23.0 0.0 | 78 13 -12.7 -2.8 8 250 10990 160 13 -4.4 12.2 | 212 11 5.9 9.4 9 200 12480 165 25 -6.5 24.1 | 190 22 3.9 21.4 10 150 14280 140 25 -16.1 19.2 | 161 17 -5.7 16.4 11 111 16022 115 42 -38.1 17.7 | 118 32 -27.7 15.0 12 100 16600 100 23 -22.7 4.0 | 96 12 -12.3 1.2 Wind Parameters Mean winds (0-6000m): 75.1 at 14.3 knts Storm direction: 105.1 at 10.7 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 53.8 deg Storm rel helicity (0-3000m) pos: 91.5 neg: -2.9 tot: 88.6 m^2/s^2 ave: 29.5 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 3.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.58 Bulk Shear: 48.57 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 ------------------------------------------------------------------------------- 500 243 5 272 15| 8.9 0.0 8.9| 14.5 -1.5 13.0 25.9 0.30| 9.8 2.9 1000 305 7 293 18| 6.7 0.0 6.7| 62.0 -1.5 60.5 60.5 0.61| 10.0 6.1 1500 317 8 299 18| 4.1 0.0 4.1| 72.4 -1.5 70.9 47.3 0.62| 7.7 4.8 2000 328 8 304 18| 2.9 0.0 2.9| 86.3 -1.5 84.8 42.4 0.63| 7.1 4.4 2500 338 8 308 17| 2.1 0.0 2.1| 91.4 -1.5 89.9 35.9 0.59| 6.6 3.9 3000 346 8 311 16| 1.4 0.0 1.4| 91.5 -2.9 88.6 29.5 0.50| 6.2 3.1 4000 20 9 326 13| 2.0 0.0 2.0| 99.3 -3.6 95.7 23.9 0.54| 5.8 3.2 5000 59 11 354 9| 2.6 0.0 2.6|109.2 -3.6 105.5 21.1 0.51| 5.7 2.9 6000 75 14 28 7| 2.5 0.3 2.8|118.7 -8.8 109.9 18.3 0.46| 5.5 2.5 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251208.12.gif