UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122300.upa.cvt Date: 0000Z 23 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 23 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 74 13.6 13.3 98 0.3 13.4 0 0 286.5 288.2 286.5 313.2 9.61 1 1000 99 13.0 9.6 80 3.4 11.1 265 4 286.1 287.5 284.2 307.1 7.52 2 925 760 17.2 7.2 52 10.0 11.4 340 1 296.9 298.1 287.8 317.1 6.90 3 850 1474 11.6 2.6 54 9.0 6.8 50 3 298.3 299.3 286.9 314.4 5.43 4 700 3069 4.8 -3.2 56 8.0 0.9 290 29 307.8 308.6 289.1 321.2 4.31 5 500 5780 -6.3 -26.3 19 20.0 -11.9 275 51 325.4 325.5 291.3 328.5 0.89 6 400 7500 -17.3 -36.3 17 19.0 -20.9 270 54 332.5 332.6 292.8 334.1 0.43 7 300 9580 -33.1 -47.1 23 14.0 -34.4 265 78 338.7 338.8 294.2 339.5 0.18 8 250 10830 -44.1 -51.1 46 7.0 -44.5 265 86 340.5 340.5 294.6 341.1 0.14 9 200 12300 -54.5 -70.5 12 16.0 -54.8 265 89 346.5 346.5 295.8 346.5 0.01 10 183 12863 -58.1 -77.8 6 19.7 -58.3 265 91 349.6 349.6 296.5 349.6 0.01 11 150 14090 -66.1 -94.1 1 28.0 -66.2 270 75 356.2 356.2 298.0 356.2 0.00 12 100 16490 -75.7 -101.7 1 26.0 -75.7 270 47 381.5 381.5 302.5 381.5 0.00 TRP WND 183 12863 -58.1 -77.8 6 19.7 -58.3 265 91 349.6 349.6 296.5 349.6 0.01 Sounding variables and indices 1000-500 mb thick: 5681.00 m Freezing level: 613.51 mb = 4241.32 m = 13914.94 ft Wetbulb zero: 685.99 mb = 3231.86 m = 10603.07 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 47.62 % Est. max temperature: 25.35 C = 77.62 F Sfc-Lift cond lev (LCL): 998.64 mb = 110.51 m = 362.56 ft T: 13.07 C 700-500 lapse rate: 4.09 C/km ThetaE index: 6.07 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 658.20 mb = 3565.05 m = 11696.22 ft Mean mixing ratio: 7.12 g/kg Conv temperature: 38.10 C = 100.57 F Cap Strength: 7.42 C Lifted Index: 14.07 C Risk: None Lifted Index @300 mb: 18.44 C Lifted Index @700 mb: 7.42 C Showalter Index: 13.31 C Risk: None Total Totals Index: 26.80 C Risk: None Vertical Totals Index: 17.90 C Cross Totals Index: 8.90 C K Index: 12.50 Risk: None Sweat Index: 88.20 Risk: None Energy Index: 3.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.89 J/kg Max Up Vert Vel: 7.99 m/s Conv Inhibition (B-): 11309.95 J/kg Cap Strength: 13.97 C Lift Cond Lev (LCL): 852.89 mb = 1445.33 m = 4741.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 21 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 74 0 0 -0.0 -0.0 | 135 21 -14.6 14.5 1 1000 99 265 4 4.0 0.3 | 144 18 -10.7 14.8 2 976 305 300 6 5.2 -3.0 | 141 15 -9.4 11.5 3 942 610 305 3 2.5 -1.7 | 136 18 -12.2 12.8 4 925 760 340 1 0.3 -0.9 | 133 20 -14.3 13.6 5 908 914 60 1 -0.9 -0.5 | 132 21 -15.5 14.0 6 876 1219 45 2 -1.4 -1.4 | 129 21 -16.1 13.1 7 850 1474 50 3 -2.3 -1.9 | 127 21 -16.9 12.6 8 814 1829 85 3 -3.0 -0.3 | 129 23 -17.6 14.2 9 784 2134 95 4 -4.0 0.3 | 129 24 -18.6 14.8 10 756 2438 50 2 -1.5 -1.3 | 129 21 -16.2 13.2 11 728 2743 310 7 5.4 -4.5 | 137 14 -9.3 10.0 12 702 3048 295 24 21.8 -10.1 | 239 8 7.1 4.4 13 700 3069 290 29 27.3 -9.9 | 250 13 12.6 4.6 14 651 3658 285 57 55.1 -14.8 | 270 40 40.4 -0.3 15 627 3962 285 55 53.1 -14.2 | 270 38 38.5 0.3 16 603 4267 285 51 49.3 -13.2 | 268 35 34.6 1.3 17 581 4572 285 49 47.3 -12.7 | 267 33 32.7 1.8 18 559 4877 285 49 47.3 -12.7 | 267 33 32.7 1.8 19 519 5486 280 49 48.3 -8.5 | 260 34 33.6 6.0 20 500 5780 275 51 50.8 -4.4 | 254 38 36.2 10.1 21 480 6096 275 53 52.8 -4.6 | 255 39 38.2 9.9 22 400 7500 270 54 54.0 -0.0 | 250 42 39.4 14.5 23 393 7620 270 54 54.0 -0.0 | 250 42 39.4 14.5 24 319 9144 265 67 66.7 5.8 | 249 56 52.1 20.3 25 300 9580 265 78 77.7 6.8 | 251 67 63.1 21.3 26 256 10668 265 84 83.7 7.3 | 252 72 69.0 21.8 27 250 10830 265 86 85.7 7.5 | 253 74 71.0 22.0 28 203 12192 265 89 88.7 7.8 | 253 77 74.0 22.3 29 200 12300 265 89 88.7 7.8 | 253 77 74.0 22.3 30 183 12863 265 91 90.7 7.9 | 254 79 76.0 22.4 31 159 13716 270 84 84.0 -0.0 | 258 71 69.4 14.5 32 150 14090 270 75 75.0 -0.0 | 256 62 60.4 14.5 33 124 15240 265 64 63.8 5.6 | 248 53 49.1 20.1 34 100 16490 270 47 47.0 -0.0 | 246 35 32.4 14.5 Wind Parameters Mean winds (0-6000m): 284.7 at 27.5 knts Storm direction: 314.7 at 20.6 knts Shear (0-3000m) pos: 1.2 neg: 6.2 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 115.9 deg Storm rel helicity (0-3000m) pos: 64.9 neg: -37.2 tot: 27.7 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.46 Bulk Shear: 69.22 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 ------------------------------------------------------------------------------- 500 294 5 141 16| 0.0 3.4 3.4| 15.5 -9.0 6.5 13.1 0.11| 9.5 1.1 1000 303 3 137 18| 2.1 1.7 3.8| 15.5 -19.4 -3.9 -3.9 -0.08| 7.0 -0.5 1500 330 3 132 18| 1.8 1.1 3.0| 16.4 -27.5 -11.0 -7.4 -0.15| 5.4 -0.8 2000 7 3 128 19| 1.8 0.9 2.6| 20.5 -28.1 -7.6 -3.8 -0.10| 4.6 -0.4 2500 28 3 126 20| 1.4 1.8 3.2| 21.8 -37.2 -15.3 -6.1 -0.13| 4.9 -0.7 3000 326 5 132 16| 1.2 6.2 7.4| 64.9 -37.2 27.7 9.2 0.31| 9.1 2.8 4000 291 16 181 9| 0.9 7.8 8.7|108.0 -46.2 61.8 15.5 0.27| 10.9 2.9 5000 288 23 223 10| 0.7 5.7 6.5|108.0 -69.9 38.1 7.6 0.22| 9.3 2.1 6000 285 27 238 14| 0.6 5.1 5.7|113.8-125.7 -11.9 -2.0 0.15| 8.6 1.2 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251223.00.gif