UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 11 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 13 24.4 23.5 95 0.9 23.8 0 0 297.7 301.1 297.0 351.6 18.57 1 102 16457 -78.9 -103.9 1 25.0 -78.9 235 20 373.2 373.2 301.1 373.2 0.00 2 100 16570 -79.3 -104.3 1 25.0 -79.3 240 21 374.5 374.5 301.4 374.5 0.00 TRP 102 16457 -78.9 -103.9 1 25.0 -78.9 235 20 373.2 373.2 301.1 373.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 4983.07 m Freezing level: 786.36 mb = 3897.46 m = 12786.79 ft Wetbulb zero: 790.70 mb = 1691.94 m = 5550.91 ft Precipitable water: 3.24 inches Sfc-500 mean rel hum: 96.90 % Est. max temperature: 30.86 C = 87.55 F Sfc-Lift cond lev (LCL): 985.43 mb = 104.66 m = 343.36 ft T: 23.83 C 700-500 lapse rate: 6.28 C/km ThetaE index: 0.00 C Layer 998.0--8390752015546130719055026944212992.0 mb Conv cond level (CCL): 102.00 mb = 16457.41 m = 53993.46 ft Mean mixing ratio: 53.81 g/kg Conv temperature: 258.94 C = 498.10 F Cap Strength: -13.88 C Lifted Index: -25.38 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -33.34 C Lifted Index @700 mb: -19.75 C Showalter Index: -0.45 C Risk: Thunderstorms probable Total Totals Index: 45.47 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.03 C Cross Totals Index: 21.44 C K Index: 33.92 Risk: 60-80 % chance of thunderstorms Sweat Index: 183.28 Risk: None Energy Index: -2.82 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 272144.59 J/kg Max Up Vert Vel: 737.76 m/s Conv Inhibition (B-): 15607.17 J/kg Cap Strength: 5.49 C Lift Cond Lev (LCL): 1390.11 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: 276 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 ---------------------------------------------------------- 0 998 13 0 0 -0.0 -0.0 | 96 5 -5.1 0.6 1 968 305 0 0 -0.0 -0.0 | 96 5 -5.1 0.6 2 938 610 135 4 -2.8 2.8 | 113 9 -7.9 3.4 3 925 742 135 3 -2.1 2.1 | 110 8 -7.2 2.7 4 907 914 140 2 -1.3 1.5 | 108 7 -6.3 2.1 5 875 1219 310 1 0.8 -0.6 | 89 4 -4.3 -0.1 6 850 1475 330 2 1.0 -1.7 | 74 4 -4.1 -1.2 7 815 1829 335 2 0.8 -1.8 | 73 4 -4.2 -1.3 8 786 2134 305 7 5.7 -4.0 | 349 4 0.7 -3.5 9 758 2438 295 11 10.0 -4.6 | 310 6 4.9 -4.1 10 731 2743 300 8 6.9 -4.0 | 331 4 1.9 -3.4 11 705 3048 15 1 -0.3 -1.0 | 86 5 -5.3 -0.4 12 700 3111 90 2 -2.0 0.0 | 95 7 -7.1 0.6 13 654 3658 135 4 -2.8 2.8 | 113 9 -7.9 3.4 14 630 3962 185 3 0.3 3.0 | 127 6 -4.8 3.5 15 606 4267 240 4 3.5 2.0 | 148 3 -1.6 2.6 16 583 4572 255 6 5.8 1.6 | 199 2 0.7 2.1 17 562 4877 245 9 8.2 3.8 | 215 5 3.1 4.4 18 521 5486 235 18 14.7 10.3 | 222 15 9.7 10.9 19 500 5810 235 25 20.5 14.3 | 226 21 15.4 14.9 20 482 6096 235 27 22.1 15.5 | 227 23 17.1 16.0 21 400 7530 235 43 35.2 24.7 | 230 39 30.2 25.2 22 395 7620 235 43 35.2 24.7 | 230 39 30.2 25.2 23 321 9144 230 51 39.1 32.8 | 226 48 34.0 33.3 24 300 9640 230 50 38.3 32.1 | 225 47 33.3 32.7 25 259 10668 240 52 45.0 26.0 | 236 48 40.0 26.6 26 250 10910 240 53 45.9 26.5 | 236 49 40.8 27.1 27 206 12192 245 54 48.9 22.8 | 242 50 43.9 23.4 28 200 12400 240 53 45.9 26.5 | 236 49 40.8 27.1 29 162 13716 245 54 48.9 22.8 | 242 50 43.9 23.4 30 150 14190 250 45 42.3 15.4 | 247 41 37.2 15.9 31 125 15240 280 35 34.5 -6.1 | 281 30 29.4 -5.5 32 102 16457 235 20 16.4 11.5 | 223 17 11.3 12.0 33 100 16570 240 21 18.2 10.5 | 230 17 13.1 11.1 34 72 18288 285 17 16.4 -4.4 | 289 12 11.4 -3.8 35 40 21336 100 11 -10.8 1.9 | 99 16 -15.9 2.5 36 22 24384 85 18 -17.9 -1.6 | 87 23 -23.0 -1.0 37 13 27432 105 15 -14.5 3.9 | 103 20 -19.5 4.4 Wind Parameters Mean winds (0-6000m): 246.3 at 6.8 knts Storm direction: 276.3 at 5.1 knts Shear (0-3000m) pos: 1.5 neg: 1.5 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): -19.5 deg Storm rel helicity (0-3000m) pos: 20.4 neg: -15.0 tot: 5.4 m^2/s^2 ave: 1.8 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.2 10^-3/s Energy-Hel index: 14.51 Bulk Rich Number: 38682.41 Bulk Shear: 7.04 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 92 1 96 6| 2.8 0.0 2.8| 1.9 -1.4 0.5 1.0 0.02| 3.5 0.1 1000 139 2 107 6| 0.9 0.0 0.9| 8.5 -2.7 5.8 5.8 0.28| 5.1 1.4 1500 134 2 105 6| 0.7 0.0 0.7| 8.5 -6.1 2.4 1.6 -0.02| 4.7 -0.1 2000 16 2 77 6| 0.5 0.8 1.3| 8.5 -9.3 -0.7 -0.4 -0.20| 4.4 -0.9 2500 303 3 62 3| 0.4 1.8 2.2| 8.8 -15.0 -6.1 -2.5 -0.36| 4.9 -1.8 3000 303 4 49 2| 1.5 1.5 2.9| 20.4 -15.0 5.4 1.8 0.04| 5.9 0.2 4000 296 4 60 2| 1.2 1.1 2.3| 33.1 -15.0 18.1 4.5 0.18| 5.6 1.0 5000 267 4 130 1| 0.6 1.3 1.9| 37.9 -15.0 22.9 4.6 0.24| 5.6 1.4 6000 246 7 199 3| 0.5 2.3 2.8| 45.7 -15.2 30.5 5.1 0.21| 6.0 1.3 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251011.00.gif