UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122200.upa.cvt Date: 0000Z 22 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 22 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 1004 82 12.0 11.7 98 0.3 11.8 0 0 284.8 286.3 284.8 308.7 8.63 1 1000 115 13.4 8.9 74 4.5 10.9 290 6 286.5 287.8 284.0 306.6 7.17 2 925 784 17.4 7.4 52 10.0 11.6 85 3 297.1 298.4 287.9 317.6 6.99 3 850 1499 12.4 3.4 54 9.0 7.5 100 9 299.1 300.2 287.5 316.2 5.75 4 700 3101 5.8 -5.2 45 11.0 0.7 335 4 308.9 309.6 288.9 320.5 3.71 5 500 5830 -5.1 -26.1 17 21.0 -11.2 275 43 326.8 327.0 291.7 330.1 0.91 6 400 7540 -17.7 -41.7 10 24.0 -21.5 270 48 332.0 332.0 292.5 332.9 0.25 7 300 9620 -34.5 -48.5 23 14.0 -35.7 265 62 336.7 336.8 293.7 337.4 0.16 8 250 10870 -45.5 -53.5 40 8.0 -45.9 270 65 338.4 338.4 294.0 338.9 0.10 9 200 12320 -55.5 -65.5 28 10.0 -55.7 285 89 344.9 344.9 295.5 345.0 0.03 10 199 12352 -55.7 -65.8 27 10.1 -55.9 285 89 345.1 345.1 295.6 345.2 0.03 11 150 14110 -66.1 -83.1 8 17.0 -66.2 275 76 356.2 356.2 298.0 356.2 0.00 TRP WND 199 12352 -55.7 -65.8 27 10.1 -55.9 285 89 345.1 345.1 295.6 345.2 0.03 Sounding variables and indices 1000-500 mb thick: 5715.00 m Freezing level: 593.58 mb = 4553.13 m = 14937.90 ft Wetbulb zero: 688.77 mb = 3232.11 m = 10603.92 ft Precipitable water: 0.92 inches Sfc-500 mean rel hum: 42.85 % Est. max temperature: 26.22 C = 79.19 F Sfc-Lift cond lev (LCL): 999.57 mb = 118.65 m = 389.28 ft T: 13.42 C 700-500 lapse rate: 3.99 C/km ThetaE index: 2.06 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 617.38 mb = 4119.62 m = 13515.65 ft Mean mixing ratio: 7.05 g/kg Conv temperature: 42.75 C = 108.94 F Cap Strength: 8.42 C Lifted Index: 15.33 C Risk: None Lifted Index @300 mb: 17.04 C Lifted Index @700 mb: 8.42 C Showalter Index: 13.45 C Risk: None Total Totals Index: 26.00 C Risk: None Vertical Totals Index: 17.50 C Cross Totals Index: 8.50 C K Index: 9.90 Risk: None Sweat Index: 101.80 Risk: None Energy Index: 3.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.56 J/kg Max Up Vert Vel: 7.94 m/s Conv Inhibition (B-): 7570.67 J/kg Cap Strength: 14.86 C Lift Cond Lev (LCL): 849.12 mb = 1507.56 m = 4946.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 18 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 1004 82 0 0 -0.0 -0.0 | 144 18 -10.7 14.8 1 1000 115 290 6 5.6 -2.1 | 158 14 -5.0 12.7 2 978 305 335 5 2.1 -4.5 | 140 13 -8.6 10.3 3 944 610 30 2 -1.0 -1.7 | 138 18 -11.7 13.1 4 925 784 85 3 -3.0 -0.3 | 137 20 -13.7 14.5 5 911 914 95 5 -5.0 0.4 | 134 22 -15.7 15.2 6 879 1219 95 7 -7.0 0.6 | 131 23 -17.7 15.4 7 850 1499 100 9 -8.9 1.6 | 130 25 -19.5 16.4 8 817 1829 100 11 -10.8 1.9 | 128 27 -21.5 16.7 9 787 2134 85 12 -12.0 -1.0 | 121 26 -22.6 13.8 10 759 2438 75 15 -14.5 -3.9 | 113 27 -25.2 10.9 11 731 2743 85 15 -14.9 -1.3 | 118 29 -25.6 13.5 12 705 3048 75 5 -4.8 -1.3 | 131 21 -15.5 13.5 13 700 3101 335 4 1.7 -3.6 | 141 14 -9.0 11.2 14 654 3658 295 38 34.4 -16.1 | 273 24 23.8 -1.3 15 629 3962 295 44 39.9 -18.6 | 277 29 29.2 -3.8 16 606 4267 295 45 40.8 -19.0 | 278 30 30.1 -4.2 17 584 4572 295 45 40.8 -19.0 | 278 30 30.1 -4.2 18 562 4877 290 45 42.3 -15.4 | 271 32 31.6 -0.6 19 522 5486 280 44 43.3 -7.6 | 258 33 32.7 7.2 20 500 5830 275 43 42.8 -3.7 | 251 34 32.2 11.0 21 483 6096 275 43 42.8 -3.7 | 251 34 32.2 11.0 22 400 7540 270 48 48.0 -0.0 | 248 40 37.3 14.8 23 396 7620 270 48 48.0 -0.0 | 248 40 37.3 14.8 24 320 9144 265 57 56.8 5.0 | 247 50 46.1 19.8 25 300 9620 265 62 61.8 5.4 | 248 55 51.1 20.2 26 257 10668 270 63 63.0 -0.0 | 254 54 52.3 14.8 27 250 10870 270 65 65.0 -0.0 | 255 56 54.3 14.8 28 204 12192 285 87 84.0 -22.5 | 276 74 73.4 -7.7 29 200 12320 285 89 86.0 -23.0 | 276 76 75.3 -8.2 30 199 12352 285 89 86.0 -23.0 | 276 76 75.3 -8.2 31 160 13716 275 79 78.7 -6.9 | 263 68 68.0 7.9 32 150 14110 275 76 75.7 -6.6 | 263 66 65.0 8.2 Wind Parameters Mean winds (0-6000m): 294.2 at 24.3 knts Storm direction: 324.2 at 18.2 knts Shear (0-3000m) pos: 1.6 neg: 1.8 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): -11.9 deg Storm rel helicity (0-3000m) pos: 58.7 neg: -83.0 tot: -24.4 m^2/s^2 ave: -8.1 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.55 Bulk Shear: 57.71 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 ------------------------------------------------------------------------------- 500 328 4 143 14| 2.3 0.0 2.3| 10.3 -13.2 -2.9 -5.7 -0.09| 12.9 -1.2 1000 25 4 132 17| 3.1 0.0 3.1| 10.5 -23.6 -13.1 -13.1 -0.16| 9.5 -1.6 1500 76 5 130 21| 3.3 0.0 3.3| 10.5 -31.8 -21.3 -14.2 -0.20| 7.5 -1.5 2000 87 7 130 23| 2.4 0.8 3.3| 10.5 -54.9 -44.5 -22.2 -0.29| 6.7 -1.9 2500 84 8 127 23| 2.0 1.4 3.4| 15.6 -83.0 -67.5 -27.0 -0.35| 6.4 -2.2 3000 83 9 126 24| 1.6 1.8 3.4| 58.7 -83.0 -24.4 -8.1 -0.09| 8.0 -0.7 4000 344 14 101 7| 1.2 6.9 8.1| 84.6 -92.3 -7.7 -1.9 0.09| 12.0 1.0 5000 306 20 243 6| 1.0 5.6 6.5| 86.0-144.8 -58.8 -11.8 0.02| 10.3 0.2 6000 294 24 247 12| 0.8 4.5 5.3| 86.0-223.0-137.0 -22.8 -0.06| 9.4 -0.6 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251222.00.gif