UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 29 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 1014 7 23.2 19.1 78 4.1 20.4 40 1 295.2 297.7 293.0 334.9 13.85 1 1000 130 22.4 18.9 81 3.5 20.0 55 3 295.5 298.0 293.2 335.4 13.87 2 925 804 17.0 15.4 90 1.6 16.0 100 9 296.7 298.9 292.1 331.3 11.98 3 850 1521 12.6 11.8 95 0.8 12.1 215 3 299.3 301.2 291.6 329.4 10.28 4 791 2120 8.0 7.2 95 0.8 7.5 243 6 300.6 302.1 290.2 324.6 8.08 5 784 2194 10.8 -2.2 40 13.0 4.4 246 6 304.4 305.2 287.8 317.1 4.15 6 781 2226 14.6 -28.4 4 43.0 1.4 248 6 308.8 308.9 285.5 310.5 0.47 7 743 2648 16.0 -32.0 2 48.0 1.5 267 9 314.8 314.9 287.4 316.1 0.35 8 700 3151 12.0 -31.0 3 43.0 -0.7 290 11 315.8 315.9 287.8 317.2 0.41 9 642 3867 6.4 -31.6 5 38.0 -4.1 284 12 317.3 317.4 288.3 318.8 0.42 10 593 4514 3.4 -37.6 3 41.0 -6.5 278 12 321.1 321.2 289.4 322.1 0.25 11 500 5880 -3.5 -47.5 2 44.0 -11.6 265 13 328.8 328.8 291.5 329.2 0.10 12 491 6023 -3.9 -49.9 1 46.0 -12.0 263 13 330.0 330.0 291.8 330.3 0.08 13 430 7049 -11.3 -50.3 2 39.0 -17.2 248 12 333.3 333.4 292.7 333.7 0.09 14 422 7193 -10.5 -47.5 3 37.0 -16.7 246 11 336.2 336.2 293.5 336.7 0.12 15 400 7600 -14.1 -45.1 5 31.0 -19.2 240 11 336.7 336.7 293.7 337.3 0.17 16 342 8771 -23.5 -57.5 3 34.0 -26.7 245 21 339.3 339.3 294.2 339.5 0.05 17 320 9255 -26.5 -41.5 23 15.0 -28.6 248 25 341.7 341.7 295.0 342.9 0.31 18 300 9720 -29.3 -51.3 10 22.0 -31.4 250 29 344.1 344.1 295.4 344.6 0.11 19 256 10827 -37.1 -61.1 6 24.0 -38.4 250 31 348.5 348.5 296.4 348.7 0.04 20 250 10990 -38.5 -60.5 8 22.0 -39.6 250 31 348.8 348.8 296.4 349.0 0.04 21 200 12480 -52.1 -66.1 17 14.0 -52.4 225 38 350.3 350.3 296.7 350.4 0.03 22 186 12946 -55.7 -73.7 9 18.0 -55.9 221 37 351.8 351.8 297.0 351.8 0.01 23 181 13119 -57.5 -67.5 27 10.0 -57.7 220 37 351.6 351.6 297.0 351.7 0.02 24 176 13295 -58.9 -68.9 26 10.0 -59.0 218 37 352.1 352.1 297.1 352.2 0.02 25 168 13586 -61.1 -80.1 6 19.0 -61.3 216 37 353.2 353.2 297.3 353.2 0.00 26 150 14280 -66.7 -80.7 12 14.0 -66.8 210 36 355.2 355.2 297.7 355.2 0.00 27 117 15737 -78.9 -85.9 31 7.0 -78.9 185 34 358.8 358.8 298.5 358.8 0.00 28 116 15785 -78.9 -85.9 31 7.0 -78.9 185 34 359.7 359.7 298.7 359.7 0.00 29 100 16620 -83.1 -91.1 24 8.0 -83.1 170 33 367.2 367.2 300.1 367.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5750.00 m Freezing level: 547.17 mb = 5187.23 m = 17018.28 ft Wetbulb zero: 714.33 mb = 2980.16 m = 9777.30 ft Precipitable water: 1.07 inches Sfc-500 mean rel hum: 34.60 % Est. max temperature: 26.88 C = 80.38 F Sfc-Lift cond lev (LCL): 955.00 mb = 528.04 m = 1732.39 ft T: 19.21 C 700-500 lapse rate: 5.68 C/km ThetaE index: 24.93 C Layer 925.0- 743.0 mb Conv cond level (CCL): 914.45 mb = 901.24 m = 2956.79 ft Mean mixing ratio: 12.93 g/kg Conv temperature: 25.09 C = 77.16 F Cap Strength: 8.07 C Lifted Index: 6.15 C Risk: None Lifted Index @300 mb: 8.82 C Lifted Index @700 mb: 6.47 C Showalter Index: 8.02 C Risk: None Total Totals Index: 31.40 C Risk: None Vertical Totals Index: 16.10 C Cross Totals Index: 15.30 C K Index: -15.10 Risk: None Sweat Index: 160.60 Risk: None Energy Index: 0.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.89 J/kg Max Up Vert Vel: 9.15 m/s Conv Inhibition (B-): 2.45 J/kg Cap Strength: 7.86 C Lift Cond Lev (LCL): 927.44 mb = 781.25 m = 2563.12 ft Lev Free Conv (LFC): 892.44 mb = 1107.88 m = 3634.73 ft Equ Level (EL): 782.44 mb = 2210.44 m = 7252.00 ft B at Equ Level: 34.39 J/kg Max Parcel Lev (MPL): 762.44 mb = 2429.62 m = 7971.11 ft Wind level data Storm motion: 305 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 1014 7 40 1 -0.6 -0.8 | 117 7 -6.2 3.2 1 1000 130 55 3 -2.5 -1.7 | 105 8 -8.1 2.2 2 925 804 100 9 -8.9 1.6 | 111 15 -14.5 5.5 3 850 1521 215 3 1.7 2.5 | 149 7 -3.9 6.4 4 700 3151 290 11 10.3 -3.8 | 268 5 4.7 0.2 5 500 5880 265 13 13.0 1.1 | 235 9 7.3 5.1 6 400 7600 240 11 9.5 5.5 | 203 10 3.9 9.4 7 300 9720 250 29 27.3 9.9 | 237 26 21.6 13.9 8 250 10990 250 31 29.1 10.6 | 238 28 23.5 14.5 9 200 12480 225 38 26.9 26.9 | 215 37 21.3 30.8 10 150 14280 210 36 18.0 31.2 | 199 37 12.4 35.1 11 100 16620 170 33 -5.7 32.5 | 163 38 -11.3 36.4 Wind Parameters Mean winds (0-6000m): 275.1 at 9.1 knts Storm direction: 305.1 at 6.8 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 133.6 deg Storm rel helicity (0-3000m) pos: 57.1 neg: -4.5 tot: 52.6 m^2/s^2 ave: 17.5 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.91 Bulk Shear: 21.94 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 70 4 105 10| 5.8 0.0 5.8| 0.8 -4.2 -3.5 -6.9 -0.30| 6.2 -1.8 1000 95 6 111 12| 3.8 0.0 3.8| 25.9 -4.2 21.6 21.6 0.32| 7.5 2.4 1500 101 6 114 12| 1.4 0.0 1.4| 40.4 -4.5 35.9 24.0 0.39| 7.9 3.1 2000 116 5 121 12| 1.6 0.0 1.6| 45.8 -4.5 41.3 20.6 0.46| 6.7 3.1 2500 147 6 135 12| 1.8 0.0 1.8| 51.4 -4.5 46.9 18.8 0.52| 6.1 3.1 3000 240 6 178 7| 1.8 0.0 1.8| 57.1 -4.5 52.6 17.5 0.58| 5.8 3.3 4000 281 7 213 3| 1.5 0.1 1.6| 58.8 -6.0 52.8 13.2 0.54| 4.7 2.5 5000 279 8 225 4| 1.2 0.3 1.5| 58.8 -8.4 50.4 10.1 0.47| 4.0 1.9 6000 275 9 228 5| 1.0 0.4 1.4| 58.8 -12.1 46.7 7.8 0.41| 3.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251229.12.gif