UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 1 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 24.6 22.4 88 2.2 23.0 280 1 296.7 299.8 295.8 346.1 17.09 1 1000 104 25.4 19.4 69 6.0 21.2 310 3 298.5 301.2 294.4 340.2 14.32 2 995 148 25.4 19.4 69 6.0 21.2 312 3 299.0 301.6 294.6 340.9 14.39 3 977 309 25.0 18.0 65 7.0 20.2 319 4 300.1 302.6 294.1 339.4 13.41 4 925 787 21.8 16.8 73 5.0 18.4 340 7 301.6 304.0 294.4 340.3 13.12 5 887 1151 19.8 17.3 86 2.5 18.1 360 7 303.2 305.8 295.6 345.1 14.15 6 850 1519 18.0 15.1 83 2.9 16.0 20 7 305.0 307.4 295.1 343.3 12.80 7 781 2242 14.8 10.5 75 4.3 12.0 57 4 309.0 311.0 294.4 340.3 10.27 8 763 2440 14.4 2.4 44 12.0 7.6 67 4 310.7 311.8 291.5 329.2 5.97 9 746 2630 12.6 9.3 80 3.3 10.5 77 3 310.7 312.6 294.6 341.1 9.91 10 715 2986 10.2 8.5 89 1.7 9.2 96 2 311.9 313.7 294.8 342.1 9.79 11 700 3163 9.6 7.6 87 2.0 8.3 105 1 313.1 314.9 294.8 342.2 9.40 12 687 3319 8.4 6.9 90 1.5 7.5 101 1 313.5 315.2 294.7 341.8 9.13 13 623 4123 5.0 2.1 81 2.9 3.4 82 2 318.5 319.9 294.6 341.3 7.17 14 568 4876 2.8 -4.2 60 7.0 -0.8 65 3 324.4 325.4 294.5 340.7 4.94 15 523 5541 0.0 -31.0 8 31.0 -8.6 49 4 328.8 328.9 291.9 330.8 0.55 16 508 5774 -2.1 -25.1 15 23.0 -9.3 43 5 329.0 329.2 292.4 332.5 0.98 17 500 5900 -3.5 -12.5 50 9.0 -7.3 40 5 328.8 329.4 294.0 338.8 2.93 18 499 5916 -3.5 -12.5 50 9.0 -7.3 40 5 329.0 329.5 294.1 339.0 2.93 19 467 6435 -7.9 -13.9 62 6.0 -10.3 45 9 329.8 330.3 294.1 339.4 2.80 20 441 6877 -11.9 -16.2 70 4.3 -13.5 48 13 330.2 330.7 294.0 338.6 2.45 21 412 7396 -14.1 -34.1 17 20.0 -18.4 53 17 333.8 333.9 293.3 335.8 0.52 22 400 7620 -15.3 -44.3 6 29.0 -20.0 55 19 335.1 335.1 293.3 335.8 0.19 23 390 7811 -16.3 -50.3 4 34.0 -21.0 55 20 336.2 336.2 293.5 336.6 0.10 24 300 9730 -29.7 -57.7 5 28.0 -31.9 55 29 343.5 343.5 295.2 343.7 0.05 25 297 9801 -30.3 -57.3 5 27.0 -32.4 54 28 343.7 343.7 295.3 343.9 0.06 26 250 11000 -39.9 -53.9 21 14.0 -40.8 35 15 346.7 346.8 296.0 347.2 0.10 27 225 11709 -46.5 -53.5 45 7.0 -46.9 63 15 347.2 347.3 296.1 347.7 0.12 28 221 11828 -47.5 -55.5 39 8.0 -47.9 68 15 347.5 347.5 296.1 347.9 0.09 29 216 11979 -48.3 -63.3 16 15.0 -48.8 74 15 348.5 348.5 296.3 348.7 0.04 30 200 12480 -52.7 -65.7 19 13.0 -53.0 95 15 349.3 349.3 296.5 349.4 0.03 31 172 13439 -61.3 -67.3 45 6.0 -61.4 79 18 350.5 350.5 296.8 350.6 0.03 32 166 13660 -62.7 -74.7 18 12.0 -62.8 76 19 351.7 351.7 297.0 351.8 0.01 33 150 14280 -67.5 -77.5 23 10.0 -67.5 65 21 353.8 353.8 297.4 353.8 0.01 34 141 14649 -70.5 -77.5 35 7.0 -70.5 70 21 354.9 354.9 297.7 354.9 0.01 35 135 14905 -72.3 -79.3 34 7.0 -72.3 73 21 356.1 356.1 297.9 356.1 0.01 36 100 16630 -80.7 -90.7 17 10.0 -80.7 95 21 371.8 371.8 300.9 371.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 523.00 mb = 5541.33 m = 18180.00 ft Wetbulb zero: 578.58 mb = 4725.20 m = 15502.44 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 68.69 % Est. max temperature: 32.29 C = 90.12 F Sfc-Lift cond lev (LCL): 980.44 mb = 277.84 m = 911.54 ft T: 25.08 C 700-500 lapse rate: 4.79 C/km ThetaE index: 15.90 C Layer 850.0- 746.0 mb Conv cond level (CCL): 782.35 mb = 2227.24 m = 7307.12 ft Mean mixing ratio: 13.71 g/kg Conv temperature: 36.87 C = 98.36 F Cap Strength: 4.49 C Lifted Index: 3.04 C Risk: None Lifted Index @300 mb: 4.09 C Lifted Index @700 mb: 1.79 C Showalter Index: 1.99 C Risk: Showers probable Total Totals Index: 40.10 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 18.60 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 200.20 Risk: None Energy Index: -0.86 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.60 J/kg Max Up Vert Vel: 5.22 m/s Conv Inhibition (B-): 3071.66 J/kg Cap Strength: 4.49 C Lift Cond Lev (LCL): 884.72 mb = 1173.62 m = 3850.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 52 at 3 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 19 280 1 1.0 -0.2 | 243 4 3.3 1.7 1 1000 104 310 3 2.3 -1.9 | 271 5 4.7 -0.1 2 925 787 340 7 2.4 -6.6 | 315 7 4.8 -4.7 3 850 1519 20 7 -2.4 -6.6 | 0 5 -0.0 -4.7 4 700 3163 105 1 -1.0 0.3 | 213 3 1.4 2.1 5 500 5900 40 5 -3.2 -3.8 | 23 2 -0.9 -2.0 6 400 7620 55 19 -15.6 -10.9 | 56 16 -13.2 -9.1 7 300 9730 55 29 -23.8 -16.6 | 55 26 -21.4 -14.8 8 250 11000 35 15 -8.6 -12.3 | 31 12 -6.2 -10.4 9 200 12480 95 15 -14.9 1.3 | 104 13 -12.6 3.2 10 150 14280 65 21 -19.0 -8.9 | 67 18 -16.7 -7.0 11 100 16630 95 21 -20.9 1.8 | 101 19 -18.6 3.7 Wind Parameters Mean winds (0-6000m): 22.0 at 4.0 knts Storm direction: 52.0 at 3.0 knts Shear (0-3000m) pos: 0.4 neg: 0.0 tot: 0.4 10-3/s Storm rel Dir Shear (0-3000m): -41.0 deg Storm rel helicity (0-3000m) pos: 19.0 neg: 0.0 tot: 19.0 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.39 Bulk Shear: 2.13 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 ------------------------------------------------------------------------------- 500 320 4 282 5| 5.0 0.0 5.0| 5.6 0.0 5.6 11.2 0.90| 5.1 4.6 1000 335 5 302 5| 3.5 0.0 3.5| 11.0 0.0 11.0 11.0 0.91| 4.4 4.0 1500 347 6 316 5| 2.5 0.0 2.5| 15.4 0.0 15.4 10.3 0.91| 4.1 3.7 2000 358 6 328 5| 1.5 0.0 1.5| 17.3 0.0 17.3 8.7 0.86| 3.9 3.3 2500 5 6 333 4| 0.9 0.0 0.9| 18.2 0.0 18.2 7.3 0.86| 3.7 3.1 3000 5 5 329 4| 0.4 0.0 0.4| 19.0 0.0 19.0 6.3 0.86| 3.4 2.9 4000 10 4 325 3| 0.3 0.1 0.4| 19.2 -0.5 18.7 4.7 0.76| 2.8 2.1 5000 19 4 330 2| 0.3 0.3 0.5| 19.2 -1.0 18.2 3.6 0.63| 2.4 1.5 6000 22 4 335 2| 0.2 0.5 0.7| 19.4 -1.6 17.8 3.0 0.51| 2.3 1.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251201.00.gif