UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 27 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 1017 7 21.2 17.6 80 3.6 18.8 315 3 292.9 295.2 291.3 328.6 12.54 1 1000 150 20.2 16.9 81 3.3 18.0 315 7 293.4 295.5 291.2 328.1 12.20 2 925 821 16.4 15.8 96 0.6 16.0 60 7 296.1 298.3 292.1 331.5 12.29 3 909 970 15.4 15.4 100 0.0 15.4 65 7 296.5 298.7 292.2 331.7 12.19 4 850 1539 12.8 12.3 97 0.5 12.5 85 5 299.6 301.5 291.9 330.7 10.63 5 749 2591 6.6 6.5 99 0.1 6.5 347 12 303.9 305.4 291.2 328.2 8.13 6 745 2636 6.4 5.8 96 0.6 6.1 343 12 304.1 305.5 291.0 327.5 7.79 7 740 2691 6.6 5.5 93 1.1 6.0 338 12 304.9 306.3 291.2 328.0 7.68 8 737 2724 6.6 2.0 72 4.6 4.1 335 12 305.3 306.4 289.8 323.5 6.01 9 722 2895 12.8 -30.2 3 43.0 -0.1 319 13 313.9 314.0 287.2 315.4 0.43 10 721 2907 13.0 -30.0 3 43.0 -0.0 318 13 314.2 314.3 287.3 315.8 0.44 11 700 3155 11.4 -30.6 4 42.0 -1.0 295 15 315.1 315.2 287.6 316.6 0.43 12 571 4819 0.6 -34.4 5 35.0 -8.1 283 10 321.3 321.4 289.6 322.7 0.36 13 541 5251 0.0 -39.0 3 39.0 -8.9 280 9 325.6 325.7 290.7 326.5 0.24 14 533 5371 0.6 -41.4 3 42.0 -8.8 279 9 327.7 327.8 291.3 328.5 0.19 15 500 5880 -2.5 -44.5 2 42.0 -11.0 275 7 330.0 330.0 291.9 330.6 0.15 16 409 7441 -14.3 -41.3 8 27.0 -19.1 311 16 334.3 334.3 293.1 335.2 0.25 17 400 7610 -15.1 -42.1 8 27.0 -19.7 315 17 335.4 335.4 293.4 336.3 0.24 18 379 8016 -17.7 -60.7 1 43.0 -22.2 308 19 337.1 337.1 293.6 337.3 0.03 19 337 8887 -22.3 -47.3 8 25.0 -25.6 291 24 342.4 342.4 295.0 343.0 0.16 20 300 9730 -29.3 -46.3 18 17.0 -31.2 275 29 344.1 344.1 295.5 344.9 0.20 21 283 10142 -33.3 -47.3 23 14.0 -34.7 272 28 344.1 344.2 295.5 344.9 0.19 22 250 11000 -39.9 -57.9 13 18.0 -40.9 265 27 346.7 346.8 296.0 347.0 0.06 23 222 11802 -46.1 -63.1 13 17.0 -46.7 249 28 349.2 349.2 296.5 349.3 0.04 24 214 12046 -48.3 -59.3 27 11.0 -48.7 244 28 349.5 349.5 296.5 349.7 0.06 25 206 12296 -50.1 -66.1 14 16.0 -50.5 239 29 350.5 350.5 296.8 350.6 0.03 26 204 12360 -49.3 -76.3 3 27.0 -49.8 238 29 352.7 352.7 297.2 352.7 0.01 27 200 12490 -50.5 -73.5 5 23.0 -51.0 235 29 352.8 352.8 297.3 352.8 0.01 28 174 13378 -58.7 -67.7 30 9.0 -58.9 220 36 353.6 353.6 297.4 353.7 0.02 29 150 14290 -66.5 -78.5 17 12.0 -66.6 205 44 355.5 355.5 297.8 355.6 0.01 30 141 14662 -69.9 -80.9 19 11.0 -69.9 219 39 355.9 355.9 297.9 355.9 0.00 31 130 15144 -72.1 -85.1 13 13.0 -72.1 237 33 360.3 360.3 298.8 360.4 0.00 32 100 16640 -85.3 -90.2 41 4.9 -85.3 295 13 362.9 362.9 299.2 362.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5730.00 m Freezing level: 526.61 mb = 5469.27 m = 17943.59 ft Wetbulb zero: 722.35 mb = 2891.37 m = 9486.00 ft Precipitable water: 1.27 inches Sfc-500 mean rel hum: 46.06 % Est. max temperature: 26.96 C = 80.52 F Sfc-Lift cond lev (LCL): 964.62 mb = 460.05 m = 1509.33 ft T: 18.44 C 700-500 lapse rate: 5.10 C/km ThetaE index: 12.65 C Layer 737.0- 721.0 mb Conv cond level (CCL): 911.25 mb = 948.83 m = 3112.91 ft Mean mixing ratio: 12.27 g/kg Conv temperature: 24.76 C = 76.56 F Cap Strength: 8.78 C Lifted Index: 8.85 C Risk: None Lifted Index @300 mb: 11.17 C Lifted Index @700 mb: 7.16 C Showalter Index: 8.41 C Risk: None Total Totals Index: 30.10 C Risk: None Vertical Totals Index: 15.30 C Cross Totals Index: 14.80 C K Index: -14.40 Risk: None Sweat Index: 164.60 Risk: None Energy Index: 0.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.62 J/kg Max Up Vert Vel: 5.22 m/s Conv Inhibition (B-): 24.73 J/kg Cap Strength: 8.83 C Lift Cond Lev (LCL): 937.00 mb = 710.03 m = 2329.45 ft Lev Free Conv (LFC): 792.00 mb = 2126.99 m = 6978.24 ft Equ Level (EL): 732.00 mb = 2780.91 m = 9123.60 ft B at Equ Level: 3.56 J/kg Max Parcel Lev (MPL): 722.00 mb = 2895.31 m = 9498.93 ft Wind level data Storm motion: 331 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 1017 7 315 3 2.1 -2.1 | 162 4 -1.3 4.1 1 1000 150 315 7 4.9 -4.9 | 229 2 1.5 1.3 2 925 821 60 7 -6.1 -3.5 | 106 10 -9.5 2.7 3 850 1539 85 5 -5.0 -0.4 | 125 10 -8.4 5.8 4 700 3155 295 15 13.6 -6.3 | 271 10 10.2 -0.1 5 500 5880 275 7 7.0 -0.6 | 212 7 3.5 5.6 6 400 7610 315 17 12.0 -12.0 | 304 10 8.6 -5.8 7 300 9730 275 29 28.9 -2.5 | 262 26 25.5 3.7 8 250 11000 265 27 26.9 2.4 | 250 25 23.5 8.6 9 200 12490 235 29 23.8 16.6 | 222 31 20.3 22.9 10 150 14290 205 44 18.6 39.9 | 198 49 15.2 46.1 11 100 16640 295 13 11.8 -5.5 | 265 8 8.3 0.8 Wind Parameters Mean winds (0-6000m): 301.2 at 9.5 knts Storm direction: 331.2 at 7.1 knts Shear (0-3000m) pos: 1.3 neg: 3.1 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 126.4 deg Storm rel helicity (0-3000m) pos: 16.8 neg: -42.2 tot: -25.4 m^2/s^2 ave: -8.5 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 7.6 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.28 Bulk Shear: 4.15 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 ------------------------------------------------------------------------------- 500 336 6 115 1| 6.0 0.0 6.0| 2.2 -0.1 2.1 4.3 0.07| 11.3 0.8 1000 14 7 87 5| 4.2 0.0 4.2| 10.8 -0.1 10.7 10.7 0.27| 9.2 2.5 1500 38 6 100 7| 2.5 0.0 2.5| 16.8 -0.1 16.7 11.2 0.35| 6.9 2.4 2000 45 6 102 8| 1.9 1.4 3.3| 16.8 -13.6 3.3 1.6 0.07| 6.6 0.4 2500 30 7 92 7| 1.5 2.5 4.0| 16.8 -27.1 -10.3 -4.1 -0.17| 7.0 -1.2 3000 357 8 61 3| 1.3 3.1 4.4| 16.8 -42.2 -25.4 -8.5 -0.35| 7.6 -2.7 4000 317 9 282 3| 0.9 2.2 3.2| 16.8 -55.3 -38.4 -9.6 -0.42| 6.6 -2.7 5000 306 10 264 4| 0.8 1.5 2.2| 16.8 -61.6 -44.7 -8.9 -0.45| 5.6 -2.5 6000 301 10 254 5| 0.7 1.1 1.8| 18.0 -66.1 -48.1 -8.0 -0.45| 4.9 -2.2 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251227.12.gif