UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100700.upa.cvt Date: 0000Z 7 OCT 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 7 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 998 33 23.2 21.6 91 1.6 22.1 0 0 296.5 299.5 295.3 344.1 16.49 1 120 15574 -76.1 -101.1 1 25.0 -76.2 170 13 361.4 361.4 299.0 361.4 0.00 2 100 16630 -76.9 -101.9 1 25.0 -76.9 190 18 379.1 379.1 302.1 379.1 0.00 TRP 120 15574 -76.1 -101.1 1 25.0 -76.2 170 13 361.4 361.4 299.0 361.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5070.91 m Freezing level: 792.87 mb = 3663.91 m = 12020.57 ft Wetbulb zero: 800.85 mb = 1647.56 m = 5405.31 ft Precipitable water: 2.83 inches Sfc-500 mean rel hum: 90.96 % Est. max temperature: 29.33 C = 84.80 F Sfc-Lift cond lev (LCL): 975.29 mb = 201.70 m = 661.75 ft T: 22.12 C 700-500 lapse rate: 6.39 C/km ThetaE index: 0.00 C Layer 998.0-635007559270400.0 mb Conv cond level (CCL): 120.00 mb = 15574.47 m = 51096.71 ft Mean mixing ratio: 47.11 g/kg Conv temperature: 235.81 C = 456.46 F Cap Strength: -12.62 C Lifted Index: -24.45 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -32.17 C Lifted Index @700 mb: -18.76 C Showalter Index: 0.16 C Risk: Thunderstorms probable Total Totals Index: 46.38 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.87 C Cross Totals Index: 21.50 C K Index: 31.66 Risk: 60-80 % chance of thunderstorms Sweat Index: 153.84 Risk: None Energy Index: -2.19 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 263167.25 J/kg Max Up Vert Vel: 725.49 m/s Conv Inhibition (B-): 13573.50 J/kg Cap Strength: 5.58 C Lift Cond Lev (LCL): 1370.78 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 4 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 ---------------------------------------------------------- 0 998 33 0 0 -0.0 -0.0 | 90 4 -4.1 0.0 1 969 305 85 7 -7.0 -0.6 | 87 11 -11.0 -0.6 2 938 610 100 4 -3.9 0.7 | 95 8 -8.0 0.7 3 925 744 125 3 -2.5 1.7 | 105 7 -6.5 1.8 4 907 914 140 4 -2.6 3.1 | 115 7 -6.6 3.1 5 875 1219 135 5 -3.5 3.5 | 115 8 -7.6 3.6 6 850 1473 115 5 -4.5 2.1 | 104 9 -8.6 2.1 7 815 1829 100 3 -3.0 0.5 | 95 7 -7.0 0.6 8 786 2134 265 4 4.0 0.3 | 169 0 -0.1 0.4 9 758 2438 265 10 10.0 0.9 | 261 6 5.9 0.9 10 731 2743 270 8 8.0 -0.0 | 270 4 3.9 0.0 11 705 3048 275 3 3.0 -0.3 | 78 1 -1.1 -0.2 12 700 3112 280 2 2.0 -0.3 | 81 2 -2.1 -0.3 13 654 3658 65 1 -0.9 -0.4 | 85 5 -5.0 -0.4 14 630 3962 135 2 -1.4 1.4 | 105 6 -5.5 1.4 15 607 4267 210 2 1.0 1.7 | 120 4 -3.1 1.8 16 585 4572 230 5 3.8 3.2 | 176 3 -0.2 3.2 17 563 4877 235 8 6.6 4.6 | 208 5 2.5 4.6 18 522 5486 265 12 12.0 1.0 | 262 8 7.9 1.1 19 500 5840 260 10 9.8 1.7 | 253 6 5.8 1.8 20 484 6096 250 9 8.5 3.1 | 235 5 4.4 3.1 21 400 7560 220 8 5.1 6.1 | 190 6 1.1 6.2 22 397 7620 220 8 5.1 6.1 | 190 6 1.1 6.2 23 323 9144 210 11 5.5 9.5 | 189 10 1.4 9.6 24 300 9690 190 11 1.9 10.8 | 169 11 -2.1 10.9 25 261 10668 210 12 6.0 10.4 | 191 11 1.9 10.4 26 250 10960 220 15 9.6 11.5 | 206 13 5.6 11.5 27 208 12192 245 17 15.4 7.2 | 238 13 11.3 7.2 28 200 12450 260 21 20.7 3.6 | 258 17 16.6 3.7 29 164 13716 265 24 23.9 2.1 | 264 20 19.8 2.1 30 150 14260 285 12 11.6 -3.1 | 292 8 7.5 -3.1 31 127 15240 155 8 -3.4 7.3 | 134 10 -7.4 7.3 32 120 15574 170 13 -2.3 12.8 | 154 14 -6.3 12.8 33 100 16630 190 18 3.1 17.7 | 177 18 -0.9 17.8 34 73 18288 135 4 -2.8 2.8 | 113 7 -6.9 2.9 35 40 21336 95 21 -20.9 1.8 | 94 25 -25.0 1.9 36 23 24384 75 30 -29.0 -7.8 | 77 34 -33.0 -7.7 37 13 27432 115 23 -20.8 9.7 | 111 27 -24.9 9.8 Wind Parameters Mean winds (0-6000m): 240.4 at 5.4 knts Storm direction: 270.4 at 4.1 knts Shear (0-3000m) pos: 0.8 neg: 0.3 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): -16.6 deg Storm rel helicity (0-3000m) pos: 25.0 neg: -8.8 tot: 16.2 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 2.4 10^-3/s Energy-Hel index: 37.69 Bulk Rich Number: 21064.92 Bulk Shear: 12.49 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 88 5 89 9| 4.9 0.0 4.9| 9.9 -2.4 7.5 15.1 0.20| 11.3 2.2 1000 104 4 97 8| 2.3 0.0 2.3| 15.4 -2.4 13.0 13.0 0.33| 7.8 2.5 1500 113 4 102 8| 1.5 0.7 2.2| 15.4 -6.8 8.5 5.7 0.17| 6.1 1.0 2000 115 4 103 8| 1.5 0.5 2.0| 22.9 -8.8 14.1 7.1 0.28| 6.6 1.8 2500 133 5 114 8| 2.2 0.4 2.7| 24.0 -8.8 15.2 6.1 0.29| 7.5 2.2 3000 184 5 145 6| 0.8 0.3 1.2| 25.0 -8.8 16.2 5.4 0.32| 7.4 2.4 4000 185 4 139 6| 0.4 0.3 0.7| 30.2 -9.1 21.1 5.3 0.34| 6.5 2.2 5000 212 4 155 4| 1.1 0.2 1.3| 38.6 -9.1 29.5 5.9 0.41| 6.2 2.6 6000 240 5 194 3| 1.1 0.4 1.5| 46.5 -13.0 33.5 5.6 0.39| 5.9 2.3 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251007.00.gif