UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 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 1016 7 19.4 17.2 87 2.2 17.9 285 3 291.2 293.4 290.5 325.8 12.24 1 1009 68 20.0 16.3 79 3.7 17.6 285 6 292.4 294.5 290.4 325.4 11.62 2 1000 146 20.0 16.2 79 3.8 17.5 285 9 293.1 295.2 290.7 326.3 11.66 3 925 816 16.8 14.6 87 2.2 15.4 5 15 296.5 298.5 291.5 329.3 11.37 4 876 1279 13.4 13.4 100 0.0 13.4 28 14 297.6 299.6 291.6 329.8 11.10 5 850 1533 12.6 12.6 100 0.0 12.6 40 13 299.3 301.3 292.0 331.1 10.85 6 762 2443 7.6 7.2 97 0.4 7.3 347 15 303.4 305.0 291.3 328.5 8.39 7 745 2629 7.2 1.2 66 6.0 4.1 335 16 305.0 306.0 289.4 322.0 5.61 8 734 2752 9.2 -12.8 20 22.0 0.4 328 16 308.5 308.8 287.0 314.7 1.94 9 719 2924 10.4 -33.6 3 44.0 -1.5 318 16 311.6 311.7 286.3 312.7 0.31 10 716 2959 10.6 -33.4 3 44.0 -1.4 316 17 312.2 312.3 286.5 313.3 0.32 11 700 3147 10.4 -35.6 2 46.0 -1.8 305 17 314.0 314.1 287.1 315.0 0.26 12 657 3673 8.8 -38.2 2 47.0 -3.1 297 16 317.9 318.0 288.3 318.7 0.22 13 591 4539 3.4 -25.6 10 29.0 -5.7 285 14 321.4 321.6 290.0 324.3 0.80 14 524 5507 -1.1 -42.1 3 41.0 -9.8 271 12 327.3 327.3 291.2 328.0 0.18 15 515 5645 -0.9 -40.9 3 40.0 -9.8 269 12 329.1 329.2 291.7 330.0 0.21 16 500 5880 -2.5 -42.5 3 40.0 -10.9 265 11 330.0 330.0 291.9 330.7 0.18 17 400 7610 -15.1 -54.1 2 39.0 -20.1 290 17 335.4 335.4 293.2 335.6 0.06 18 391 7781 -16.1 -53.1 3 37.0 -20.8 289 17 336.2 336.3 293.4 336.5 0.07 19 383 7936 -15.9 -56.9 2 41.0 -20.8 288 18 338.5 338.5 294.0 338.7 0.05 20 362 8356 -18.3 -55.3 2 37.0 -22.7 285 19 340.8 340.8 294.6 341.0 0.06 21 300 9720 -30.1 -51.1 11 21.0 -32.1 275 23 343.0 343.0 295.1 343.4 0.12 22 298 9768 -30.5 -48.5 16 18.0 -32.3 274 23 343.0 343.1 295.2 343.7 0.16 23 270 10467 -35.9 -58.9 8 23.0 -37.3 261 26 345.0 345.0 295.6 345.2 0.05 24 250 11000 -40.7 -51.7 30 11.0 -41.4 250 29 345.6 345.6 295.8 346.1 0.13 25 248 11054 -41.1 -51.1 33 10.0 -41.8 250 29 345.8 345.8 295.8 346.3 0.14 26 242 11220 -41.3 -59.3 13 18.0 -42.2 249 30 347.9 347.9 296.2 348.1 0.05 27 220 11857 -46.9 -51.9 57 5.0 -47.1 247 33 348.9 348.9 296.5 349.5 0.14 28 215 12009 -47.9 -53.9 50 6.0 -48.2 247 34 349.6 349.6 296.7 350.1 0.12 29 213 12070 -48.5 -51.9 68 3.4 -48.7 246 34 349.6 349.6 296.7 350.2 0.15 30 208 12226 -49.7 -57.7 39 8.0 -50.0 246 35 350.1 350.1 296.7 350.4 0.08 31 200 12480 -52.1 -55.9 63 3.8 -52.2 245 36 350.3 350.3 296.8 350.7 0.10 32 190 12810 -55.5 -57.8 75 2.3 -55.6 239 37 350.0 350.0 296.7 350.3 0.08 33 175 13330 -60.1 -63.5 64 3.4 -60.2 229 39 350.7 350.7 296.8 350.9 0.04 34 163 13771 -62.5 -77.5 12 15.0 -62.6 220 40 353.9 353.9 297.5 353.9 0.01 35 152 14200 -65.9 -80.9 11 15.0 -66.0 212 42 355.2 355.2 297.7 355.2 0.00 36 150 14280 -66.3 -82.3 9 16.0 -66.4 210 42 355.9 355.9 297.9 355.9 0.00 37 100 16630 -83.9 -89.9 34 6.0 -83.9 250 11 365.6 365.6 299.8 365.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 540.38 mb = 5270.13 m = 17290.23 ft Wetbulb zero: 731.03 mb = 2785.81 m = 9139.68 ft Precipitable water: 1.20 inches Sfc-500 mean rel hum: 43.79 % Est. max temperature: 26.48 C = 79.66 F Sfc-Lift cond lev (LCL): 983.80 mb = 286.36 m = 939.48 ft T: 19.33 C 700-500 lapse rate: 4.72 C/km ThetaE index: 18.34 C Layer 762.0- 716.0 mb Conv cond level (CCL): 887.10 mb = 1171.69 m = 3844.07 ft Mean mixing ratio: 11.53 g/kg Conv temperature: 25.56 C = 78.00 F Cap Strength: 9.98 C Lifted Index: 9.84 C Risk: None Lifted Index @300 mb: 11.69 C Lifted Index @700 mb: 6.92 C Showalter Index: 8.23 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 15.10 C Cross Totals Index: 15.10 C K Index: -18.30 Risk: None Sweat Index: 188.20 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.50 J/kg Max Up Vert Vel: 4.58 m/s Conv Inhibition (B-): 7166.08 J/kg Cap Strength: 9.94 C Lift Cond Lev (LCL): 923.48 mb = 829.96 m = 2722.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 347 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 1016 7 285 3 2.9 -0.8 | 183 9 0.5 9.3 1 1000 146 285 9 8.7 -2.3 | 219 10 6.3 7.8 2 925 816 5 15 -1.3 -14.9 | 37 6 -3.7 -4.9 3 850 1533 40 13 -8.4 -10.0 | 91 11 -10.8 0.1 4 700 3147 305 17 13.9 -9.8 | 268 12 11.5 0.3 5 500 5880 265 11 11.0 1.0 | 218 14 8.5 11.0 6 400 7610 290 17 16.0 -5.8 | 253 14 13.6 4.3 7 300 9720 275 23 22.9 -2.0 | 248 22 20.5 8.1 8 250 11000 250 29 27.3 9.9 | 231 32 24.8 20.0 9 200 12480 245 36 32.6 15.2 | 230 39 30.2 25.3 10 150 14280 210 42 21.0 36.4 | 202 50 18.6 46.5 11 100 16630 250 11 10.3 3.8 | 210 16 7.9 13.8 Wind Parameters Mean winds (0-6000m): 316.5 at 13.8 knts Storm direction: 346.5 at 10.4 knts Shear (0-3000m) pos: 2.5 neg: 3.5 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 94.8 deg Storm rel helicity (0-3000m) pos: 48.4 neg: -34.0 tot: 14.4 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.17 Bulk Shear: 3.31 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 ------------------------------------------------------------------------------- 500 305 9 228 7| 10.5 0.0 10.5| 25.2 0.0 25.2 50.5 0.86| 14.6 12.5 1000 342 12 312 2| 7.6 0.0 7.6| 36.9 0.0 36.9 36.9 0.87| 13.4 11.7 1500 0 12 47 3| 5.0 0.0 5.0| 48.4 0.0 48.4 32.3 0.86| 11.0 9.5 2000 8 13 59 5| 3.7 1.6 5.4| 48.4 -11.2 37.2 18.6 0.59| 9.9 5.8 2500 4 13 49 5| 3.0 2.8 5.8| 48.4 -21.3 27.1 10.8 0.33| 9.5 3.1 3000 355 14 20 4| 2.5 3.5 6.0| 48.4 -34.0 14.4 4.8 0.16| 9.4 1.5 4000 337 14 315 4| 1.9 2.9 4.8| 48.4 -51.2 -2.8 -0.7 0.05| 7.8 0.4 5000 325 14 286 6| 1.5 2.3 3.8| 48.4 -65.1 -16.7 -3.3 -0.02| 6.7 -0.1 6000 317 14 270 7| 1.2 1.9 3.2| 50.1 -76.2 -26.2 -4.4 -0.06| 5.9 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251227.00.gif