UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122600.upa.cvt Date: 0000Z 26 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 26 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 1018 7 20.0 19.2 95 0.8 19.5 345 3 291.7 294.1 292.0 330.9 13.88 1 1000 159 19.0 18.2 95 0.8 18.5 360 19 292.1 294.5 291.6 329.7 13.26 2 925 827 15.4 15.4 100 0.0 15.4 350 19 295.1 297.2 291.6 329.4 11.98 3 850 1543 12.0 12.0 100 0.0 12.0 15 15 298.7 300.6 291.5 329.1 10.42 4 712 3012 4.6 4.6 100 0.0 4.6 175 2 306.1 307.5 291.4 328.8 7.49 5 700 3151 5.6 2.6 81 3.0 3.9 190 1 308.7 309.9 291.4 329.0 6.61 6 691 3257 5.8 1.9 76 3.9 3.7 193 1 310.1 311.3 291.6 329.7 6.36 7 686 3317 7.6 -13.4 21 21.0 -0.9 195 2 312.7 313.1 288.5 319.2 1.98 8 685 3329 8.0 -12.0 23 20.0 -0.3 195 2 313.3 313.7 288.9 320.5 2.22 9 669 3523 7.4 -4.6 42 12.0 1.5 201 2 314.7 315.5 291.0 327.7 4.06 10 660 3635 7.6 -23.4 9 31.0 -2.7 205 3 316.2 316.3 288.5 319.2 0.88 11 658 3660 8.0 -12.0 23 20.0 -0.5 206 3 316.9 317.3 290.1 324.5 2.31 12 655 3698 7.8 -8.2 31 16.0 0.4 207 3 317.1 317.7 291.0 327.3 3.14 13 636 3939 5.4 -8.6 36 14.0 -0.9 214 4 317.0 317.6 290.9 327.3 3.14 14 621 4134 3.4 -9.6 38 13.0 -2.3 220 5 316.9 317.5 290.7 326.6 2.97 15 617 4186 5.6 -35.4 3 41.0 -5.0 222 5 320.0 320.1 289.1 321.2 0.30 16 614 4226 5.8 -35.2 3 41.0 -4.9 223 5 320.7 320.8 289.3 321.9 0.31 17 500 5880 -3.1 -45.1 2 42.0 -11.3 275 11 329.3 329.3 291.6 329.8 0.14 18 428 7087 -11.1 -44.1 5 33.0 -16.9 275 14 334.0 334.1 293.0 334.7 0.18 19 400 7600 -15.7 -45.7 6 30.0 -20.3 275 15 334.6 334.6 293.1 335.2 0.16 20 368 8224 -19.5 -52.5 4 33.0 -23.4 274 18 337.6 337.6 293.8 337.9 0.08 21 339 8828 -24.7 -46.7 11 22.0 -27.4 272 22 338.5 338.6 294.1 339.2 0.17 22 337 8871 -25.1 -38.1 29 13.0 -27.2 272 22 338.6 338.6 294.4 340.2 0.42 23 313 9406 -27.5 -61.5 2 34.0 -30.1 271 25 342.4 342.5 295.0 342.6 0.03 24 300 9710 -29.5 -60.5 3 31.0 -31.8 270 27 343.8 343.8 295.3 344.0 0.04 25 286 10051 -31.3 -56.3 7 25.0 -33.3 267 26 346.0 346.0 295.8 346.2 0.07 26 250 10990 -39.7 -58.7 11 19.0 -40.7 260 23 347.0 347.1 296.0 347.3 0.06 27 231 11524 -44.5 -60.5 15 16.0 -45.2 253 25 347.7 347.7 296.1 347.9 0.05 28 200 12470 -52.5 -65.5 19 13.0 -52.8 240 29 349.6 349.6 296.5 349.8 0.03 29 182 13074 -56.9 -68.9 21 12.0 -57.1 233 31 352.0 352.0 297.1 352.1 0.02 30 177 13250 -58.7 -68.7 26 10.0 -58.9 232 32 351.9 351.9 297.1 352.0 0.02 31 172 13430 -60.1 -62.4 74 2.3 -60.2 230 32 352.5 352.5 297.2 352.7 0.05 32 150 14270 -67.7 -70.3 69 2.6 -67.7 220 35 353.5 353.5 297.4 353.5 0.02 33 142 14596 -70.9 -73.8 65 2.9 -70.9 234 32 353.5 353.5 297.4 353.5 0.01 34 112 15967 -79.5 -86.5 30 7.0 -79.5 296 21 362.2 362.2 299.1 362.2 0.00 35 100 16610 -78.1 -88.1 18 10.0 -78.1 325 15 376.8 376.8 301.7 376.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5721.00 m Freezing level: 539.71 mb = 5303.92 m = 17401.10 ft Wetbulb zero: 686.95 mb = 3305.14 m = 10843.51 ft Precipitable water: 1.46 inches Sfc-500 mean rel hum: 59.47 % Est. max temperature: 26.18 C = 79.13 F Sfc-Lift cond lev (LCL): 1006.40 mb = 104.67 m = 343.41 ft T: 19.36 C 700-500 lapse rate: 3.19 C/km ThetaE index: 2.11 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 954.30 mb = 559.83 m = 1836.70 ft Mean mixing ratio: 12.73 g/kg Conv temperature: 22.25 C = 72.05 F Cap Strength: 7.36 C Lifted Index: 8.25 C Risk: None Lifted Index @300 mb: 10.97 C Lifted Index @700 mb: 1.36 C Showalter Index: 8.54 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: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 185.00 Risk: None Energy Index: 0.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.77 J/kg Max Up Vert Vel: 8.22 m/s Conv Inhibition (B-): 0.58 J/kg Cap Strength: 8.23 C Lift Cond Lev (LCL): 961.19 mb = 498.17 m = 1634.40 ft Lev Free Conv (LFC): 936.19 mb = 723.98 m = 2375.23 ft Equ Level (EL): 706.19 mb = 3078.88 m = 10101.20 ft B at Equ Level: 31.75 J/kg Max Parcel Lev (MPL): 676.19 mb = 3435.25 m = 11270.37 ft Wind level data Storm motion: 8 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 1018 7 345 3 0.8 -2.9 | 203 4 1.7 4.1 1 1000 159 360 19 -0.0 -19.0 | 355 12 1.0 -12.0 2 925 827 350 19 3.3 -18.7 | 340 12 4.3 -11.7 3 850 1543 15 15 -3.9 -14.5 | 21 8 -2.9 -7.5 4 700 3151 190 1 0.2 1.0 | 188 8 1.1 8.0 5 500 5880 275 11 11.0 -1.0 | 243 13 11.9 6.1 6 400 7600 275 15 14.9 -1.3 | 250 17 15.9 5.7 7 300 9710 270 27 27.0 -0.0 | 256 29 28.0 7.0 8 250 10990 260 23 22.7 4.0 | 245 26 23.6 11.0 9 200 12470 240 29 25.1 14.5 | 230 34 26.1 21.5 10 150 14270 220 35 22.5 26.8 | 215 41 23.5 33.8 11 100 16610 325 15 8.6 -12.3 | 299 11 9.6 -5.3 Wind Parameters Mean winds (0-6000m): 337.8 at 9.4 knts Storm direction: 7.8 at 7.1 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): -18.3 deg Storm rel helicity (0-3000m) pos: 95.7 neg: -9.5 tot: 86.2 m^2/s^2 ave: 28.7 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 8.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.73 Bulk Shear: 9.05 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 ------------------------------------------------------------------------------- 500 358 17 350 10| 16.5 0.0 16.5| 10.2 -4.7 5.4 10.9 0.68| 21.6 14.7 1000 355 18 347 11| 7.7 0.0 7.7| 15.6 -9.5 6.1 6.1 0.59| 12.7 7.5 1500 358 17 351 10| 4.3 0.0 4.3| 28.2 -9.5 18.7 12.4 0.64| 10.4 6.7 2000 4 16 1 9| 2.8 0.0 2.8| 54.5 -9.5 44.9 22.5 0.74| 11.1 8.2 2500 7 15 5 8| 1.8 0.0 1.8| 80.0 -9.5 70.4 28.2 0.78| 10.8 8.4 3000 3 13 358 6| 0.9 0.0 0.9| 95.7 -9.5 86.2 28.7 0.80| 10.0 8.0 4000 2 10 349 4| 0.8 0.0 0.8|101.5 -9.5 92.0 23.0 0.78| 8.1 6.3 5000 352 10 317 3| 0.9 0.0 0.9|115.7 -9.5 106.2 21.2 0.79| 7.0 5.5 6000 338 9 291 5| 0.9 0.0 0.9|135.4 -9.5 125.9 21.0 0.80| 6.3 5.0 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251226.00.gif