UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 15 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 60 22.4 21.2 93 1.2 21.6 0 0 295.7 298.6 294.8 342.0 16.08 1 100 16630 -76.9 -101.9 1 25.0 -76.9 195 12 379.1 379.1 302.1 379.1 0.00 2 100 16630 -76.9 -101.9 1 25.0 -76.9 195 12 379.1 379.1 302.1 379.1 0.00 TRP 100 16630 -76.9 -101.9 1 25.0 -76.9 195 12 379.1 379.1 302.1 379.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 4978.05 m Freezing level: 795.43 mb = 3797.68 m = 12459.44 ft Wetbulb zero: 801.23 mb = 1641.51 m = 5385.45 ft Precipitable water: 2.83 inches Sfc-500 mean rel hum: 95.49 % Est. max temperature: 29.13 C = 84.43 F Sfc-Lift cond lev (LCL): 980.98 mb = 183.69 m = 602.66 ft T: 21.66 C 700-500 lapse rate: 5.99 C/km Conv cond level (CCL): 100.00 mb = 16630.00 m = 54559.70 ft Mean mixing ratio: 45.60 g/kg Conv temperature: 257.25 C = 495.06 F Cap Strength: -13.07 C Lifted Index: -22.22 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -27.86 C Lifted Index @700 mb: -17.83 C Showalter Index: 1.75 C Risk: Showers probable Total Totals Index: 42.95 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.04 C K Index: 30.65 Risk: 60-80 % chance of thunderstorms Sweat Index: 156.61 Risk: None Energy Index: -1.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 273793.84 J/kg Max Up Vert Vel: 739.99 m/s Conv Inhibition (B-): 16097.79 J/kg Cap Strength: 3.67 C Lift Cond Lev (LCL): 1336.86 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: 145 at 7 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 60 0 0 -0.0 -0.0 | 325 7 3.9 -5.7 1 971 305 45 6 -4.2 -4.2 | 2 10 -0.3 -10.0 2 939 610 65 5 -4.5 -2.1 | 4 8 -0.6 -7.8 3 925 745 70 5 -4.7 -1.7 | 6 7 -0.8 -7.4 4 907 914 85 7 -7.0 -0.6 | 26 7 -3.0 -6.3 5 876 1219 100 11 -10.8 1.9 | 61 8 -6.9 -3.8 6 850 1479 105 13 -12.6 3.4 | 75 9 -8.6 -2.3 7 816 1829 105 14 -13.5 3.6 | 78 10 -9.6 -2.1 8 787 2134 110 12 -11.3 4.1 | 78 8 -7.3 -1.6 9 759 2438 105 14 -13.5 3.6 | 78 10 -9.6 -2.1 10 732 2743 100 15 -14.8 2.6 | 74 11 -10.8 -3.1 11 706 3048 115 13 -11.8 5.5 | 88 8 -7.9 -0.2 12 700 3119 130 11 -8.4 7.1 | 107 5 -4.5 1.4 13 655 3658 170 12 -2.1 11.8 | 197 6 1.8 6.1 14 630 3962 180 12 0.0 12.0 | 212 7 3.9 6.3 15 607 4267 170 6 -1.0 5.9 | 266 3 2.9 0.2 16 584 4572 140 6 -3.9 4.6 | 356 1 0.1 -1.1 17 563 4877 110 6 -5.6 2.1 | 25 4 -1.7 -3.7 18 522 5486 40 4 -2.6 -3.1 | 351 9 1.4 -8.8 19 500 5830 105 8 -7.7 2.1 | 46 5 -3.8 -3.6 20 483 6096 115 9 -8.2 3.8 | 66 5 -4.2 -1.9 21 400 7530 265 8 8.0 0.7 | 293 13 11.9 -5.0 22 395 7620 270 7 7.0 -0.0 | 298 12 10.9 -5.7 23 321 9144 260 18 17.7 3.1 | 277 22 21.7 -2.6 24 300 9630 260 18 17.7 3.1 | 277 22 21.7 -2.6 25 258 10668 260 18 17.7 3.1 | 277 22 21.7 -2.6 26 250 10900 255 23 22.2 6.0 | 269 26 26.1 0.2 27 206 12192 260 29 28.6 5.0 | 271 32 32.5 -0.7 28 200 12390 260 29 28.6 5.0 | 271 32 32.5 -0.7 29 162 13716 260 25 24.6 4.3 | 273 29 28.5 -1.4 30 150 14220 260 20 19.7 3.5 | 275 24 23.6 -2.2 31 126 15240 230 18 13.8 11.6 | 252 19 17.7 5.9 32 100 16630 195 12 3.1 11.6 | 230 9 7.0 5.9 33 73 18288 315 9 6.4 -6.4 | 320 16 10.3 -12.1 34 40 21336 125 4 -3.3 2.3 | 349 3 0.7 -3.4 35 22 24384 70 6 -5.6 -2.1 | 12 8 -1.7 -7.8 36 12 27432 110 6 -5.6 2.1 | 25 4 -1.7 -3.7 Wind Parameters Mean winds (0-6000m): 115.5 at 9.2 knts Storm direction: 145.5 at 6.9 knts Shear (0-3000m) pos: 1.9 neg: 0.4 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 125.6 deg Storm rel helicity (0-3000m) pos: 40.1 neg: -1.7 tot: 38.4 m^2/s^2 ave: 12.8 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 3.1 10^-3/s Energy-Hel index: 57.61 Bulk Rich Number: 29202.00 Bulk Shear: 9.38 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 50 4 356 9| 5.3 0.0 5.3| 13.8 0.0 13.8 27.6 0.74| 8.2 6.1 1000 67 5 7 8| 4.6 0.0 4.6| 23.1 0.0 23.1 23.1 0.81| 6.9 5.6 1500 86 7 29 7| 4.5 0.0 4.5| 32.7 0.0 32.7 21.8 0.84| 6.3 5.3 2000 94 9 45 7| 3.2 0.0 3.2| 33.7 -0.0 33.6 16.8 0.77| 5.3 4.1 2500 98 10 53 7| 2.6 0.5 3.1| 33.7 -0.9 32.9 13.2 0.65| 4.9 3.2 3000 99 11 58 8| 1.9 0.4 2.3| 40.1 -1.7 38.4 12.8 0.61| 5.0 3.1 4000 115 11 79 6| 1.4 0.3 1.7| 57.0 -1.7 55.4 13.8 0.67| 5.7 3.8 5000 119 10 79 5| 1.1 1.3 2.5| 61.0 -2.9 58.1 11.6 0.61| 5.9 3.6 6000 115 9 69 5| 1.5 1.3 2.8| 75.8 -8.6 67.2 11.2 0.57| 6.0 3.4 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251015.00.gif