UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 20 DEC 25 Station: VI399 WMO ident: 42399 Latitude: 26.53 Longitude: 88.72 ------------------------------------------------------------------------------- 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 1003 77 14.8 14.5 98 0.3 14.6 0 0 287.7 289.5 287.6 316.7 10.40 1 1000 102 14.0 11.5 85 2.5 12.5 275 4 287.1 288.6 285.7 311.0 8.55 2 925 761 15.2 10.2 72 5.0 12.2 115 3 294.9 296.4 288.5 319.3 8.47 3 850 1473 10.4 6.0 74 4.4 7.9 95 10 297.0 298.3 287.8 317.3 6.91 4 700 3068 4.2 -9.8 35 14.0 -1.6 105 3 307.1 307.6 287.2 315.3 2.59 5 500 5790 -5.3 -24.3 21 19.0 -11.1 295 31 326.6 326.8 291.8 330.4 1.07 6 400 7490 -19.5 -37.5 19 18.0 -22.6 305 48 329.6 329.7 292.0 331.1 0.38 7 300 9560 -37.3 -50.3 25 13.0 -38.2 300 63 332.8 332.8 292.6 333.3 0.13 8 250 10790 -47.3 -62.3 16 15.0 -47.7 300 75 335.7 335.8 293.3 335.9 0.04 9 200 12230 -57.1 -73.1 11 16.0 -57.3 295 80 342.3 342.3 294.9 342.4 0.01 10 183 12788 -59.9 -79.6 6 19.7 -60.1 295 96 346.5 346.5 295.8 346.5 0.00 11 150 14010 -66.3 -94.3 1 28.0 -66.4 295 81 355.9 355.9 297.9 355.9 0.00 12 124 15147 -72.5 -99.5 1 27.0 -72.5 285 76 364.5 364.5 299.5 364.5 0.00 13 100 16410 -73.3 -99.3 1 26.0 -73.3 285 66 386.1 386.1 303.2 386.1 0.00 14 70 18480 -76.9 -101.9 1 25.0 -76.9 310 28 419.9 419.9 307.7 419.9 0.00 15 50 20460 -68.1 -96.1 1 28.0 -68.3 340 19 483.0 483.0 313.7 483.0 0.00 16 30 23590 -59.9 -89.9 1 30.0 -60.8 315 23 581.3 581.3 319.8 581.4 0.00 17 20 26150 -54.9 -86.9 1 32.0 -57.1 290 33 668.1 668.1 323.3 668.2 0.01 TRP 124 15147 -72.5 -99.5 1 27.0 -72.5 285 76 364.5 364.5 299.5 364.5 0.00 WND 183 12788 -59.9 -79.6 6 19.7 -60.1 295 96 346.5 346.5 295.8 346.5 0.00 Sounding variables and indices 1000-500 mb thick: 5688.00 m Freezing level: 611.58 mb = 4271.41 m = 14013.64 ft Wetbulb zero: 725.46 mb = 2774.55 m = 9102.75 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 46.88 % Est. max temperature: 24.06 C = 75.30 F Sfc-Lift cond lev (LCL): 998.69 mb = 113.06 m = 370.91 ft T: 14.02 C 700-500 lapse rate: 3.49 C/km ThetaE index: 5.68 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 780.86 mb = 2169.97 m = 7119.25 ft Mean mixing ratio: 8.47 g/kg Conv temperature: 28.54 C = 83.37 F Cap Strength: 5.53 C Lifted Index: 13.37 C Risk: None Lifted Index @300 mb: 12.25 C Lifted Index @700 mb: 5.53 C Showalter Index: 12.61 C Risk: None Total Totals Index: 27.00 C Risk: None Vertical Totals Index: 15.70 C Cross Totals Index: 11.30 C K Index: 7.70 Risk: None Sweat Index: 123.00 Risk: None Energy Index: 2.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.69 J/kg Max Up Vert Vel: 6.88 m/s Conv Inhibition (B-): 33544.29 J/kg Cap Strength: 12.99 C Lift Cond Lev (LCL): 896.78 mb = 1021.87 m = 3352.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 12 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 1003 77 0 0 -0.0 -0.0 | 159 12 -4.4 11.3 1 1000 102 275 4 4.0 -0.3 | 178 11 -0.4 10.9 2 976 305 305 3 2.5 -1.7 | 169 10 -1.9 9.5 3 942 610 110 1 -0.9 0.3 | 155 13 -5.3 11.6 4 925 761 115 3 -2.7 1.3 | 150 14 -7.1 12.5 5 908 914 125 3 -2.5 1.7 | 152 15 -6.8 13.0 6 876 1219 115 5 -4.5 2.1 | 146 16 -8.9 13.4 7 850 1473 95 10 -10.0 0.9 | 130 19 -14.3 12.1 8 814 1829 90 16 -16.0 0.0 | 119 23 -20.4 11.3 9 784 2134 90 16 -16.0 0.0 | 119 23 -20.4 11.3 10 756 2438 95 13 -13.0 1.1 | 126 21 -17.3 12.4 11 728 2743 100 10 -9.8 1.7 | 132 19 -14.2 13.0 12 702 3048 105 5 -4.8 1.3 | 144 16 -9.2 12.6 13 700 3068 105 3 -2.9 0.8 | 149 14 -7.3 12.0 14 651 3658 305 17 13.9 -9.8 | 261 10 9.6 1.5 15 627 3962 310 23 17.6 -14.8 | 285 14 13.2 -3.5 16 604 4267 305 24 19.7 -13.8 | 279 15 15.3 -2.5 17 581 4572 300 24 20.8 -12.0 | 273 16 16.4 -0.7 18 560 4877 295 27 24.5 -11.4 | 270 20 20.1 -0.2 19 519 5486 290 31 29.1 -10.6 | 268 25 24.8 0.7 20 500 5790 295 31 28.1 -13.1 | 274 24 23.7 -1.8 21 480 6096 300 33 28.6 -16.5 | 282 25 24.2 -5.2 22 400 7490 305 48 39.3 -27.5 | 295 39 34.9 -16.3 23 393 7620 305 48 39.3 -27.5 | 295 39 34.9 -16.3 24 318 9144 300 62 53.7 -31.0 | 292 53 49.3 -19.7 25 300 9560 300 63 54.6 -31.5 | 292 54 50.2 -20.2 26 255 10668 305 73 59.8 -41.9 | 299 63 55.4 -30.6 27 250 10790 300 75 65.0 -37.5 | 293 66 60.6 -26.2 28 201 12192 295 78 70.7 -33.0 | 288 70 66.3 -21.7 29 200 12230 295 80 72.5 -33.8 | 288 72 68.1 -22.6 30 183 12788 295 96 87.0 -40.6 | 290 88 82.6 -29.3 31 157 13716 290 87 81.8 -29.8 | 283 80 77.4 -18.5 32 150 14010 295 81 73.4 -34.2 | 288 73 69.0 -23.0 33 124 15147 285 76 73.4 -19.7 | 277 70 69.0 -8.4 34 122 15240 285 76 73.4 -19.7 | 277 70 69.0 -8.4 35 100 16410 285 66 63.8 -17.1 | 276 60 59.4 -5.8 36 72 18288 300 32 27.7 -16.0 | 281 24 23.3 -4.7 37 70 18480 310 28 21.4 -18.0 | 292 18 17.1 -6.7 38 50 20460 340 19 6.5 -17.9 | 342 7 2.1 -6.6 39 43 21336 340 10 3.4 -9.4 | 153 2 -1.0 1.9 40 30 23590 315 23 16.3 -16.3 | 293 13 11.9 -5.0 41 26 24384 290 11 10.3 -3.8 | 219 10 6.0 7.5 42 20 26150 290 33 31.0 -11.3 | 270 27 26.6 -0.0 43 13 27432 275 34 33.9 -3.0 | 254 31 29.5 8.3 Wind Parameters Mean winds (0-6000m): 308.8 at 16.1 knts Storm direction: 338.8 at 12.1 knts Shear (0-3000m) pos: 1.7 neg: 2.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -10.9 deg Storm rel helicity (0-3000m) pos: 60.5 neg: -65.7 tot: -5.1 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.98 Bulk Shear: 24.13 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 ------------------------------------------------------------------------------- 500 297 3 169 10| 1.3 0.0 1.3| 11.3 -11.2 0.1 0.3 -0.04| 10.7 -0.4 1000 136 3 155 15| 2.1 0.0 2.1| 12.4 -16.5 -4.1 -4.1 -0.11| 7.1 -0.8 1500 104 4 145 15| 1.4 2.8 4.2| 12.4 -48.9 -36.5 -24.3 -0.38| 7.6 -2.9 2000 95 7 136 16| 1.0 3.2 4.3| 12.4 -65.7 -53.2 -26.6 -0.43| 6.8 -2.9 2500 94 8 133 17| 0.7 2.6 3.3| 33.8 -65.7 -31.8 -12.7 -0.25| 6.4 -1.6 3000 95 8 133 18| 1.7 2.2 3.8| 60.5 -65.7 -5.1 -1.7 -0.05| 6.8 -0.3 4000 63 10 117 15| 1.3 2.5 3.7| 73.9-110.2 -36.3 -9.1 -0.29| 10.3 -3.0 5000 332 13 279 2| 1.0 2.2 3.2| 73.9-126.1 -52.1 -10.4 -0.31| 9.1 -2.8 6000 309 16 262 8| 0.8 2.1 2.9|109.8-129.5 -19.7 -3.3 -0.23| 8.4 -1.9 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251220.00.gif