UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 19 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 1013 7 23.0 19.7 82 3.3 20.7 350 3 295.1 297.6 293.4 336.3 14.40 1 1000 116 22.6 19.1 81 3.5 20.2 345 7 295.8 298.3 293.3 336.1 14.05 2 974 346 22.2 17.9 77 4.3 19.3 359 5 297.6 300.0 293.4 336.3 13.36 3 925 794 18.8 16.9 89 1.9 17.5 25 1 298.5 300.9 293.6 337.0 13.21 4 850 1517 15.0 13.2 89 1.8 13.8 70 9 301.9 303.9 293.1 335.2 11.29 5 834 1678 13.6 13.6 100 0.0 13.6 80 9 302.0 304.2 293.6 336.9 11.82 6 728 2817 9.0 6.3 83 2.7 7.4 154 6 309.0 310.5 292.9 334.2 8.26 7 723 2874 9.2 5.0 75 4.2 6.8 158 6 309.8 311.2 292.6 333.1 7.59 8 700 3142 7.2 2.3 71 4.9 4.5 175 5 310.5 311.7 291.9 330.5 6.47 9 686 3308 5.6 2.3 79 3.3 3.8 183 7 310.5 311.7 291.9 330.9 6.60 10 675 3440 5.2 -3.8 52 9.0 0.8 189 8 311.5 312.3 290.3 324.9 4.28 11 662 3598 3.6 -3.4 60 7.0 0.2 197 9 311.4 312.3 290.5 325.5 4.50 12 661 3611 3.6 -5.4 52 9.0 -0.6 197 9 311.5 312.3 289.9 323.8 3.87 13 644 3823 4.6 -32.4 5 37.0 -5.1 207 11 315.0 315.1 287.6 316.4 0.39 14 580 4671 1.6 248 20 321.1 15 500 5850 -6.3 -48.3 2 42.0 -13.3 305 31 325.4 325.4 290.5 325.7 0.10 16 468 6362 -10.1 -50.1 2 40.0 -16.1 290 35 326.8 326.9 290.9 327.2 0.08 17 427 7063 -12.1 -57.1 1 45.0 -17.9 270 42 333.0 333.0 292.6 333.1 0.04 18 415 7280 -13.3 -58.3 1 45.0 -18.8 263 44 334.2 334.2 292.9 334.3 0.04 19 409 7391 -12.3 -56.3 1 44.0 -18.1 260 45 336.9 336.9 293.6 337.0 0.05 20 400 7560 -13.7 -57.7 1 44.0 -19.2 255 46 337.2 337.2 293.7 337.3 0.04 21 323 9146 -25.3 -63.3 2 38.0 -28.3 248 50 342.4 342.4 294.9 342.5 0.02 22 317 9282 -24.7 -51.7 6 27.0 -27.7 247 51 345.1 345.1 295.6 345.5 0.10 23 300 9680 -28.3 -52.3 8 24.0 -30.6 245 52 345.5 345.5 295.7 345.9 0.10 24 250 10960 -39.3 -59.3 10 20.0 -40.4 245 54 347.6 347.6 296.1 347.9 0.05 25 232 11466 -44.1 -60.1 15 16.0 -44.7 233 55 347.9 347.9 296.2 348.1 0.05 26 200 12440 -53.5 -60.5 42 7.0 -53.7 210 58 348.0 348.1 296.3 348.3 0.06 27 199 12472 -53.7 -59.7 48 6.0 -53.9 210 59 348.2 348.2 296.3 348.5 0.06 28 194 12635 -54.8 -62.2 40 7.3 -55.0 210 62 349.0 349.0 296.4 349.2 0.05 29 181 13075 -57.9 -68.9 23 11.0 -58.0 217 59 351.0 351.0 296.8 351.0 0.02 30 154 14072 -66.7 -71.6 50 4.9 -66.7 232 51 352.5 352.5 297.2 352.6 0.02 31 150 14230 -68.1 -73.1 49 5.0 -68.1 235 50 352.8 352.8 297.3 352.8 0.01 32 147 14351 -69.1 -75.1 41 6.0 -69.1 235 49 353.1 353.1 297.3 353.1 0.01 33 137 14771 -69.1 -81.1 16 12.0 -69.2 233 44 360.3 360.3 298.8 360.3 0.00 34 103 16432 -79.1 -86.1 31 7.0 -79.1 226 25 371.7 371.7 300.9 371.8 0.00 35 100 16600 -79.5 -87.5 25 8.0 -79.5 225 23 374.1 374.1 301.3 374.1 0.00 TRP WND 194 12635 -54.8 -62.2 40 7.3 -55.0 210 62 349.0 349.0 296.4 349.2 0.05 Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 563.80 mb = 4909.73 m = 16107.83 ft Wetbulb zero: 661.76 mb = 3601.20 m = 11814.81 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 80.67 % Est. max temperature: 29.23 C = 84.61 F Sfc-Lift cond lev (LCL): 965.36 mb = 423.41 m = 1389.12 ft T: 21.61 C 700-500 lapse rate: 4.99 C/km ThetaE index: 6.46 C Layer 728.0- 686.0 mb Conv cond level (CCL): 876.66 mb = 1252.94 m = 4110.64 ft Mean mixing ratio: 13.48 g/kg Conv temperature: 28.61 C = 83.49 F Cap Strength: 3.02 C Lifted Index: 1.94 C Risk: Showers probable Lifted Index @300 mb: 7.89 C Lifted Index @700 mb: 0.62 C Showalter Index: 2.53 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 19.50 C K Index: 29.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 207.40 Risk: None Energy Index: -1.72 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.19 J/kg Max Up Vert Vel: 5.51 m/s Conv Inhibition (B-): 67.45 J/kg Cap Strength: 2.99 C Lift Cond Lev (LCL): 918.09 mb = 858.08 m = 2815.18 ft Lev Free Conv (LFC): 673.09 mb = 3462.91 m = 11361.12 ft Equ Level (EL): 653.09 mb = 3708.44 m = 12166.66 ft B at Equ Level: 13.52 J/kg Max Parcel Lev (MPL): 633.09 mb = 3960.96 m = 12995.12 ft Wind level data Storm motion: 339 at 9 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 1013 7 350 3 0.5 -3.0 | 153 6 -2.8 5.5 1 1000 116 345 7 1.8 -6.8 | 139 2 -1.5 1.7 2 925 794 25 1 -0.4 -0.9 | 154 8 -3.7 7.6 3 850 1517 70 9 -8.5 -3.1 | 115 13 -11.8 5.4 4 700 3142 175 5 -0.4 5.0 | 164 14 -3.8 13.5 5 500 5850 305 31 25.4 -17.8 | 293 24 22.1 -9.3 6 400 7560 255 46 44.4 11.9 | 244 46 41.1 20.4 7 300 9680 245 52 47.1 22.0 | 235 53 43.8 30.5 8 250 10960 245 54 48.9 22.8 | 236 55 45.6 31.3 9 200 12440 210 58 29.0 50.2 | 204 64 25.7 58.7 10 194 12635 210 62 31.0 53.7 | 204 68 27.7 62.2 11 150 14230 235 50 41.0 28.7 | 225 53 37.6 37.2 12 100 16600 225 23 16.3 16.3 | 208 28 12.9 24.7 Wind Parameters Mean winds (0-6000m): 308.6 at 12.1 knts Storm direction: 338.6 at 9.1 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 8.3 deg Storm rel helicity (0-3000m) pos: 50.0 neg: -14.5 tot: 35.5 m^2/s^2 ave: 11.8 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.41 Bulk Shear: 10.81 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 ------------------------------------------------------------------------------- 500 351 5 143 4| 1.2 0.0 1.2| 0.8 -1.1 -0.3 -0.6 -0.08| 7.7 -0.6 1000 354 4 148 6| 1.3 0.0 1.3| 3.4 -5.8 -2.3 -2.3 -0.12| 6.3 -0.8 1500 29 5 129 7| 3.0 0.0 3.0| 3.4 -14.5 -11.1 -7.4 -0.27| 6.4 -1.7 2000 53 5 124 9| 2.4 0.0 2.4| 19.6 -14.5 5.1 2.5 -0.03| 6.1 -0.2 2500 67 6 126 11| 1.9 0.0 1.9| 36.4 -14.5 21.9 8.8 0.13| 5.7 0.7 3000 74 6 127 11| 1.4 0.0 1.4| 50.0 -14.5 35.5 11.8 0.22| 5.4 1.2 4000 116 7 141 15| 2.0 0.0 2.0| 93.7 -14.5 79.2 19.8 0.38| 5.5 2.1 5000 251 9 204 12| 2.4 0.0 2.4|193.9 -14.5 179.3 35.9 0.56| 6.3 3.5 6000 309 12 262 6| 2.6 0.0 2.6|313.9 -23.9 290.1 48.3 0.63| 7.1 4.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251219.12.gif