UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 4 DEC 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1016 7 25.0 22.1 84 2.9 22.9 75 3 296.8 299.8 295.6 345.1 16.71 1 1000 147 24.0 21.8 88 2.2 22.5 80 9 297.1 300.2 295.6 345.4 16.66 2 948 613 20.0 19.6 98 0.4 19.7 77 14 297.7 300.4 294.8 342.0 15.32 3 925 825 19.2 16.5 84 2.7 17.4 75 17 298.9 301.3 293.4 336.4 12.87 4 850 1549 14.8 13.1 90 1.7 13.7 75 11 301.6 303.7 293.0 334.8 11.22 5 776 2316 10.2 10.2 100 0.0 10.2 59 10 304.7 306.5 293.0 334.9 10.12 6 766 2424 11.0 9.8 92 1.2 10.3 56 10 306.7 308.5 293.5 336.8 9.98 7 728 2848 8.8 8.5 98 0.3 8.6 47 9 308.7 310.6 293.8 338.0 9.62 8 715 2998 10.4 6.4 76 4.0 8.0 44 9 312.1 313.7 293.9 338.3 8.47 9 712 3033 10.0 6.1 77 3.9 7.6 43 9 312.0 313.6 293.8 337.8 8.33 10 701 3163 9.8 5.6 75 4.2 7.3 40 9 313.2 314.8 294.0 338.6 8.17 11 700 3175 9.8 4.8 71 5.0 6.8 40 9 313.3 314.8 293.7 337.4 7.73 12 685 3355 10.0 -13.0 18 23.0 0.4 46 9 315.5 315.9 289.5 322.3 2.05 13 679 3428 9.6 -18.4 12 28.0 -0.9 48 9 315.9 316.1 288.8 320.3 1.32 14 670 3538 8.4 -5.6 37 14.0 1.6 52 9 315.7 316.4 291.1 327.8 3.76 15 657 3700 8.0 -28.0 6 36.0 -2.9 57 9 317.0 317.2 288.5 319.1 0.58 16 633 4006 6.2 -30.8 5 37.0 -4.3 67 8 318.4 318.5 288.8 320.0 0.46 17 605 4376 4.8 -23.2 11 28.0 -4.5 79 8 320.9 321.1 290.0 324.3 0.98 18 600 4444 4.2 -7.8 41 12.0 -1.4 81 8 321.0 321.7 292.4 332.6 3.54 19 587 4621 2.2 -2.8 69 5.0 -0.4 87 8 320.7 321.7 293.8 337.9 5.31 20 578 4746 2.4 -8.6 44 11.0 -2.7 91 8 322.3 323.0 292.7 333.8 3.46 21 543 5247 -1.7 -6.7 69 5.0 -4.1 108 7 323.2 324.1 293.6 337.3 4.27 22 536 5351 -1.7 -15.7 33 14.0 -7.1 111 7 324.5 324.9 292.2 331.6 2.10 23 529 5455 -2.7 -17.7 30 15.0 -8.1 115 7 324.5 324.8 291.9 330.7 1.80 24 525 5515 -3.3 -13.3 46 10.0 -7.4 117 7 324.5 325.0 292.6 333.3 2.61 25 513 5698 -4.5 -25.5 18 21.0 -10.6 123 7 325.2 325.3 291.3 328.5 0.94 26 500 5900 -5.5 -34.5 8 29.0 -12.3 130 7 326.3 326.4 291.1 327.9 0.41 27 492 6026 -5.7 -35.7 7 30.0 -12.5 134 7 327.6 327.7 291.4 329.0 0.37 28 451 6700 -10.1 -31.1 16 21.0 -15.2 153 8 330.3 330.5 292.4 332.7 0.63 29 438 6925 -9.3 -42.3 5 33.0 -15.6 160 8 334.1 334.2 293.0 334.9 0.21 30 405 7525 -12.1 -38.1 9 26.0 -17.5 177 9 338.1 338.1 294.2 339.4 0.35 31 400 7620 -12.9 -36.9 11 24.0 -18.0 180 9 338.2 338.3 294.3 339.8 0.40 32 328 9097 -24.3 -34.3 39 10.0 -26.2 204 3 342.3 342.4 295.4 344.7 0.64 33 322 9232 -25.1 -41.1 21 16.0 -27.5 206 3 343.0 343.1 295.3 344.3 0.33 34 300 9740 -29.9 -37.9 46 8.0 -31.1 215 1 343.2 343.3 295.6 345.1 0.49 35 293 9908 -31.7 -37.7 55 6.0 -32.6 218 4 343.0 343.1 295.5 345.0 0.51 36 279 10252 -34.5 -42.5 44 8.0 -35.4 225 9 343.8 343.9 295.6 345.1 0.32 37 252 10956 -39.5 -57.5 13 18.0 -40.5 239 20 346.5 346.6 295.9 346.8 0.06 38 250 11010 -39.7 -54.7 19 15.0 -40.6 240 21 347.0 347.1 296.1 347.4 0.09 39 224 11753 -46.7 -56.7 31 10.0 -47.1 223 22 347.4 347.4 296.1 347.7 0.08 40 216 11995 -47.9 -64.9 12 17.0 -48.4 217 22 349.1 349.2 296.5 349.3 0.03 41 200 12500 -52.1 -68.1 13 16.0 -52.4 205 23 350.3 350.3 296.7 350.4 0.02 42 178 13243 -58.1 -72.1 15 14.0 -58.3 199 20 352.3 352.3 297.1 352.4 0.01 43 174 13386 -58.7 -76.7 8 18.0 -58.9 198 19 353.6 353.6 297.4 353.6 0.01 44 150 14300 -66.3 -81.3 10 15.0 -66.4 190 15 355.9 355.9 297.9 355.9 0.00 45 124 15427 -75.1 -82.1 33 7.0 -75.1 155 10 359.8 359.8 298.7 359.8 0.00 46 100 16650 -82.5 -90.5 24 8.0 -82.5 115 5 368.3 368.3 300.2 368.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 557.51 mb = 5039.67 m = 16534.14 ft Wetbulb zero: 683.19 mb = 3376.92 m = 11078.99 ft Precipitable water: 1.75 inches Sfc-500 mean rel hum: 62.69 % Est. max temperature: 29.28 C = 84.70 F Sfc-Lift cond lev (LCL): 974.33 mb = 373.78 m = 1226.31 ft T: 22.05 C 700-500 lapse rate: 5.61 C/km ThetaE index: 18.28 C Layer 700.0- 670.0 mb Conv cond level (CCL): 927.88 mb = 798.17 m = 2618.63 ft Mean mixing ratio: 15.34 g/kg Conv temperature: 26.99 C = 80.58 F Cap Strength: 2.48 C Lifted Index: 0.40 C Risk: Showers probable Lifted Index @300 mb: 2.83 C Lifted Index @700 mb: 1.46 C Showalter Index: 3.53 C Risk: None Total Totals Index: 38.90 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 18.60 C K Index: 28.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 186.20 Risk: None Energy Index: -1.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.19 J/kg Max Up Vert Vel: 12.58 m/s Conv Inhibition (B-): 2.34 J/kg Cap Strength: 2.48 C Lift Cond Lev (LCL): 942.76 mb = 660.59 m = 2167.26 ft Lev Free Conv (LFC): 897.76 mb = 1080.97 m = 3546.43 ft Equ Level (EL): 717.76 mb = 2966.22 m = 9731.58 ft B at Equ Level: 77.44 J/kg Max Parcel Lev (MPL): 617.76 mb = 4205.58 m = 13797.68 ft Wind level data Storm motion: 102 at 7 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 1016 7 75 3 -2.9 -0.8 | 299 5 4.2 -2.3 1 1000 147 80 9 -8.9 -1.6 | 29 4 -1.7 -3.1 2 925 825 75 17 -16.4 -4.4 | 57 11 -9.3 -5.9 3 850 1549 75 11 -10.6 -2.8 | 39 6 -3.5 -4.4 4 700 3175 40 9 -5.8 -6.9 | 351 9 1.3 -8.4 5 500 5900 130 7 -5.4 4.5 | 211 3 1.8 3.0 6 400 7620 180 9 0.0 9.0 | 224 10 7.1 7.5 7 300 9740 215 1 0.6 0.8 | 275 8 7.7 -0.7 8 250 11010 240 21 18.2 10.5 | 251 27 25.3 9.0 9 200 12500 205 23 9.7 20.8 | 221 26 16.8 19.3 10 150 14300 190 15 2.6 14.8 | 216 16 9.7 13.2 11 100 16650 115 5 -4.5 2.1 | 258 3 2.6 0.6 Wind Parameters Mean winds (0-6000m): 72.2 at 9.7 knts Storm direction: 102.2 at 7.3 knts Shear (0-3000m) pos: 1.8 neg: 1.3 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 55.9 deg Storm rel helicity (0-3000m) pos: 9.1 neg: -14.6 tot: -5.5 m^2/s^2 ave: -1.8 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 531.21 Bulk Shear: 0.15 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 78 10 34 4| 10.5 0.0 10.5| 7.4 0.0 7.4 14.9 0.75| 10.9 8.2 1000 76 13 49 7| 5.3 1.2 6.5| 9.1 -1.2 7.9 7.9 0.53| 8.0 4.2 1500 76 13 49 7| 3.5 0.7 4.2| 9.1 -4.9 4.2 2.8 0.32| 6.7 2.2 2000 75 12 45 7| 2.6 1.0 3.6| 9.1 -8.0 1.1 0.5 0.20| 5.6 1.1 2500 72 12 39 7| 2.1 1.2 3.3| 9.1 -11.2 -2.1 -0.8 0.11| 4.9 0.5 3000 70 12 33 7| 1.8 1.3 3.1| 9.1 -14.6 -5.5 -1.8 0.04| 4.4 0.2 4000 66 11 25 7| 1.5 1.0 2.5| 12.4 -15.6 -3.2 -0.8 0.08| 3.9 0.3 5000 68 10 24 6| 1.3 0.8 2.1| 13.4 -15.6 -2.2 -0.4 0.11| 3.6 0.4 6000 72 10 25 5| 1.1 0.6 1.8| 14.0 -15.6 -1.6 -0.3 0.15| 3.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251204.12.gif