UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 29 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 1005 76 14.2 13.4 95 0.8 13.7 0 0 286.9 288.6 286.6 313.8 9.65 1 1000 118 13.4 11.2 87 2.2 12.1 290 5 286.5 288.0 285.2 309.9 8.37 2 925 772 12.4 12.4 100 0.0 12.4 65 1 292.0 293.7 288.7 319.9 9.82 3 850 1481 10.4 5.4 71 5.0 7.6 80 5 297.0 298.2 287.6 316.5 6.63 4 700 3073 3.4 -8.6 41 12.0 -1.7 280 20 306.2 306.8 287.2 315.2 2.85 5 500 5740 -8.9 -37.9 8 29.0 -14.6 270 42 322.2 322.2 289.8 323.3 0.29 6 400 7410 -23.1 -40.1 20 17.0 -25.5 270 53 325.0 325.0 290.6 326.1 0.29 7 300 9450 -39.1 -53.1 21 14.0 -39.9 260 85 330.3 330.3 291.9 330.6 0.09 8 250 10680 -44.9 -66.9 7 22.0 -45.5 260 81 339.3 339.3 294.1 339.4 0.02 9 200 12150 -49.3 -82.3 1 33.0 -49.8 255 82 354.7 354.7 297.6 354.7 0.00 10 150 14010 -58.3 -89.3 1 31.0 -58.6 260 83 369.6 369.6 300.5 369.6 0.00 11 133 14751 -61.9 -91.7 1 29.8 -62.1 255 90 376.1 376.1 301.6 376.1 0.00 12 100 16460 -70.5 -97.5 1 27.0 -70.6 250 65 391.5 391.5 304.0 391.5 0.00 TRP WND 133 14751 -61.9 -91.7 1 29.8 -62.1 255 90 376.1 376.1 301.6 376.1 0.00 Sounding variables and indices 1000-500 mb thick: 5622.00 m Freezing level: 644.72 mb = 3810.22 m = 12500.57 ft Wetbulb zero: 727.04 mb = 2762.22 m = 9062.30 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 48.71 % Est. max temperature: 23.96 C = 75.13 F Sfc-Lift cond lev (LCL): 993.21 mb = 175.14 m = 574.60 ft T: 13.31 C 700-500 lapse rate: 4.61 C/km ThetaE index: 4.68 C Layer 850.0- 500.0 mb Conv cond level (CCL): 836.82 mb = 1609.17 m = 5279.38 ft Mean mixing ratio: 9.15 g/kg Conv temperature: 25.06 C = 77.10 F Cap Strength: 4.85 C Lifted Index: 9.95 C Risk: None Lifted Index @300 mb: 10.68 C Lifted Index @700 mb: 4.85 C Showalter Index: 9.48 C Risk: None Total Totals Index: 33.60 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 14.30 C K Index: 12.70 Risk: None Sweat Index: 116.80 Risk: None Energy Index: 1.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.91 J/kg Max Up Vert Vel: 7.06 m/s Conv Inhibition (B-): 9777.13 J/kg Cap Strength: 9.59 C Lift Cond Lev (LCL): 939.69 mb = 639.84 m = 2099.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 307 at 16 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 1005 76 0 0 -0.0 -0.0 | 127 16 -12.7 9.5 1 1000 118 290 5 4.7 -1.7 | 134 11 -8.0 7.8 2 978 305 275 7 7.0 -0.6 | 147 11 -5.7 8.9 3 943 610 290 2 1.9 -0.7 | 129 14 -10.8 8.8 4 925 772 65 1 -0.9 -0.4 | 124 16 -13.6 9.1 5 909 914 90 3 -3.0 0.0 | 121 18 -15.7 9.5 6 877 1219 85 5 -5.0 -0.4 | 117 20 -17.7 9.1 7 850 1481 80 5 -4.9 -0.9 | 116 20 -17.6 8.7 8 815 1829 80 8 -7.9 -1.4 | 112 22 -20.6 8.1 9 785 2134 100 9 -8.9 1.6 | 117 24 -21.6 11.1 10 756 2438 110 8 -7.5 2.7 | 121 24 -20.2 12.3 11 729 2743 210 1 0.5 0.9 | 130 16 -12.2 10.4 12 702 3048 280 16 15.8 -2.8 | 204 7 3.0 6.7 13 700 3073 280 20 19.7 -3.5 | 229 9 7.0 6.0 14 650 3658 280 34 33.5 -5.9 | 260 21 20.8 3.6 15 626 3962 280 33 32.5 -5.7 | 259 20 19.8 3.8 16 602 4267 275 33 32.9 -2.9 | 252 21 20.2 6.6 17 579 4572 275 35 34.9 -3.1 | 254 23 22.2 6.5 18 558 4877 280 38 37.4 -6.6 | 263 25 24.7 2.9 19 516 5486 275 44 43.8 -3.8 | 260 32 31.1 5.7 20 500 5740 270 42 42.0 -0.0 | 252 31 29.3 9.5 21 477 6096 270 39 39.0 -0.0 | 250 28 26.3 9.5 22 400 7410 270 53 53.0 -0.0 | 257 41 40.3 9.5 23 388 7620 270 54 54.0 -0.0 | 257 42 41.3 9.5 24 313 9144 260 82 80.8 14.2 | 251 72 68.0 23.8 25 300 9450 260 85 83.7 14.8 | 251 75 71.0 24.3 26 250 10668 260 83 81.7 14.4 | 251 73 69.0 23.9 27 250 10680 260 81 79.8 14.1 | 251 71 67.1 23.6 28 200 12150 255 82 79.2 21.2 | 245 73 66.5 30.7 29 199 12192 255 84 81.1 21.7 | 245 75 68.4 31.3 30 157 13716 260 80 78.8 13.9 | 250 70 66.1 23.4 31 150 14010 260 83 81.7 14.4 | 251 73 69.0 23.9 32 133 14751 255 90 86.9 23.3 | 246 81 74.2 32.8 33 123 15240 255 87 84.0 22.5 | 246 78 71.3 32.0 34 100 16460 250 65 61.1 22.2 | 237 58 48.4 31.7 35 69 18288 260 43 42.3 7.5 | 240 34 29.6 17.0 36 37 21336 330 11 5.5 -9.5 | 90 7 -7.2 -0.0 37 20 24384 325 9 5.2 -7.4 | 106 8 -7.5 2.1 38 11 27432 210 12 6.0 10.4 | 161 21 -6.7 19.9 Wind Parameters Mean winds (0-6000m): 276.8 at 21.2 knts Storm direction: 306.8 at 15.9 knts Shear (0-3000m) pos: 3.3 neg: 0.3 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 102.7 deg Storm rel helicity (0-3000m) pos: 125.6 neg: -35.8 tot: 89.8 m^2/s^2 ave: 29.9 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.72 Bulk Shear: 34.46 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 ------------------------------------------------------------------------------- 500 280 5 138 12| 0.0 2.6 2.6| 12.5 -9.4 3.0 6.0 0.08| 11.6 0.9 1000 288 4 132 12| 3.3 1.3 4.7| 13.2 -22.7 -9.6 -9.6 -0.12| 9.4 -1.1 1500 37 4 112 16| 2.2 0.6 2.8| 13.2 -30.5 -17.3 -11.6 -0.18| 7.0 -1.2 2000 74 5 115 19| 2.5 0.5 3.0| 22.7 -35.8 -13.1 -6.6 -0.12| 6.4 -0.8 2500 90 6 117 21| 1.4 0.4 1.7| 64.0 -35.8 28.2 11.3 0.12| 6.8 0.8 3000 87 6 116 21| 3.3 0.3 3.6|125.6 -35.8 89.8 29.9 0.41| 10.0 4.1 4000 283 12 172 7| 2.5 1.8 4.2|151.9 -43.0 109.0 27.2 0.40| 9.5 3.8 5000 279 17 210 8| 2.5 1.6 4.1|181.5 -55.5 125.9 25.2 0.38| 8.7 3.3 6000 277 21 230 11| 2.1 1.4 3.5|181.5-106.9 74.6 12.4 0.27| 8.2 2.2 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251229.00.gif