UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 13 OCT 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 1000 83 24.0 22.4 91 1.6 22.9 0 0 297.1 300.3 296.0 347.2 17.30 1 925 759 22.0 17.6 76 4.4 18.9 70 1 301.8 304.3 294.9 342.5 13.82 2 850 1490 18.4 11.4 64 7.0 13.9 110 3 305.4 307.3 293.2 335.5 10.01 3 700 3124 9.4 -6.6 32 16.0 1.9 90 3 312.9 313.5 289.8 323.6 3.33 4 500 5820 -5.1 -39.1 5 34.0 -12.3 260 18 326.8 326.9 291.1 327.8 0.26 5 400 7540 -14.5 -47.5 4 33.0 -19.6 270 21 336.1 336.2 293.5 336.7 0.13 6 300 9660 -29.7 -60.7 3 31.0 -31.9 270 25 343.5 343.5 295.2 343.7 0.04 7 250 10930 -38.9 -75.9 1 37.0 -40.1 265 27 348.2 348.2 296.3 348.3 0.01 8 200 12430 -48.9 -82.9 1 34.0 -49.4 275 24 355.3 355.3 297.8 355.3 0.00 9 150 14250 -63.3 -92.3 1 29.0 -63.4 295 19 361.0 361.0 298.9 361.0 0.00 10 100 16650 -78.1 -103.1 1 25.0 -78.1 285 7 376.8 376.8 301.7 376.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5737.27 m Freezing level: 570.34 mb = 4871.75 m = 15983.24 ft Wetbulb zero: 673.27 mb = 3435.90 m = 11272.51 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 40.15 % Est. max temperature: 32.27 C = 90.09 F Sfc-Lift cond lev (LCL): 977.31 mb = 281.81 m = 924.56 ft T: 23.41 C 700-500 lapse rate: 5.38 C/km ThetaE index: 23.68 C Layer 925.0- 500.0 mb Conv cond level (CCL): 824.80 mb = 1743.23 m = 5719.20 ft Mean mixing ratio: 14.93 g/kg Conv temperature: 33.43 C = 92.18 F Cap Strength: 2.52 C Lifted Index: 0.10 C Risk: Showers probable Lifted Index @300 mb: 2.04 C Lifted Index @700 mb: 0.53 C Showalter Index: 3.61 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 16.50 C K Index: 18.90 Risk: < 20 % chance of thunderstorms Sweat Index: 160.80 Risk: None Energy Index: -1.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.49 J/kg Max Up Vert Vel: 5.91 m/s Conv Inhibition (B-): 137.92 J/kg Cap Strength: 2.52 C Lift Cond Lev (LCL): 903.22 mb = 965.01 m = 3165.99 ft Lev Free Conv (LFC): 578.22 mb = 4655.43 m = 15273.52 ft Equ Level (EL): 568.22 mb = 4795.21 m = 15732.13 ft B at Equ Level: 17.29 J/kg Max Parcel Lev (MPL): 428.22 mb = 7014.55 m = 23013.33 ft Wind level data Storm motion: 267 at 5 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 1000 83 0 0 -0.0 -0.0 | 87 5 -4.6 -0.2 1 975 305 105 2 -1.9 0.5 | 92 7 -6.5 0.3 2 941 610 50 1 -0.8 -0.6 | 81 5 -5.4 -0.9 3 925 759 70 1 -0.9 -0.3 | 84 6 -5.5 -0.6 4 909 914 85 2 -2.0 -0.2 | 86 7 -6.6 -0.4 5 877 1219 95 3 -3.0 0.3 | 90 8 -7.6 0.0 6 850 1490 110 3 -2.8 1.0 | 96 7 -7.4 0.8 7 816 1829 200 2 0.7 1.9 | 113 4 -3.9 1.6 8 787 2134 210 2 1.0 1.7 | 113 4 -3.6 1.5 9 759 2438 10 1 -0.2 -1.0 | 76 5 -4.8 -1.2 10 732 2743 70 4 -3.8 -1.4 | 79 9 -8.4 -1.6 11 706 3048 75 3 -2.9 -0.8 | 82 8 -7.5 -1.0 12 700 3124 90 3 -3.0 0.0 | 88 8 -7.6 -0.2 13 655 3658 160 4 -1.4 3.8 | 121 7 -6.0 3.5 14 630 3962 180 5 0.0 5.0 | 136 7 -4.6 4.8 15 607 4267 215 7 4.0 5.7 | 174 6 -0.6 5.5 16 584 4572 245 11 10.0 4.6 | 231 7 5.4 4.4 17 562 4877 250 14 13.2 4.8 | 242 10 8.6 4.5 18 521 5486 255 11 10.6 2.8 | 247 7 6.0 2.6 19 500 5820 260 18 17.7 3.1 | 258 13 13.1 2.9 20 482 6096 260 22 21.7 3.8 | 258 17 17.1 3.6 21 400 7540 270 21 21.0 -0.0 | 271 16 16.4 -0.2 22 396 7620 270 21 21.0 -0.0 | 271 16 16.4 -0.2 23 322 9144 265 23 22.9 2.0 | 264 18 18.3 1.8 24 300 9660 270 25 25.0 -0.0 | 271 20 20.4 -0.2 25 260 10668 270 26 26.0 -0.0 | 271 21 21.4 -0.2 26 250 10930 265 27 26.9 2.4 | 265 22 22.3 2.1 27 207 12192 280 28 27.6 -4.9 | 283 24 23.0 -5.1 28 200 12430 275 24 23.9 -2.1 | 277 19 19.3 -2.3 29 163 13716 275 24 23.9 -2.1 | 277 19 19.3 -2.3 30 150 14250 295 19 17.2 -8.0 | 303 15 12.6 -8.3 31 127 15240 310 17 13.0 -10.9 | 323 14 8.4 -11.2 32 100 16650 285 7 6.8 -1.8 | 313 3 2.2 -2.1 33 73 18288 360 11 -0.0 -11.0 | 22 12 -4.6 -11.2 34 41 21336 90 14 -14.0 0.0 | 89 19 -18.6 -0.2 35 23 24384 35 13 -7.5 -10.6 | 48 16 -12.0 -10.9 36 13 27432 110 16 -15.0 5.5 | 105 20 -19.6 5.2 Wind Parameters Mean winds (0-6000m): 237.0 at 6.1 knts Storm direction: 267.0 at 4.6 knts Shear (0-3000m) pos: 0.6 neg: 0.8 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): -2.0 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -4.5 tot: 7.5 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.54 Bulk Shear: 6.89 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 94 1 89 6| 1.1 0.0 1.1| 1.3 -2.1 -0.8 -1.5 -0.16| 3.6 -0.6 1000 86 1 87 6| 1.3 0.0 1.3| 2.6 -2.1 0.5 0.5 0.04| 2.8 0.1 1500 95 2 89 7| 0.9 0.0 0.9| 6.5 -2.1 4.4 3.0 0.29| 2.7 0.8 2000 112 2 95 6| 0.5 0.0 0.5| 8.0 -2.2 5.8 2.9 0.29| 2.8 0.8 2500 113 2 94 6| 0.4 0.9 1.3| 8.0 -4.5 3.6 1.4 0.04| 3.4 0.1 3000 98 2 90 7| 0.6 0.8 1.3| 12.0 -4.5 7.5 2.5 0.13| 3.5 0.4 4000 123 3 100 7| 1.3 0.6 1.9| 27.0 -4.5 22.6 5.6 0.37| 3.6 1.4 5000 202 4 141 5| 1.7 0.5 2.2| 44.8 -4.5 40.3 8.1 0.51| 4.3 2.2 6000 237 6 190 3| 2.1 0.4 2.5| 51.1 -4.5 46.6 7.8 0.43| 4.7 2.0 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251013.00.gif