UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 8 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 70 24.8 24.1 96 0.7 24.3 0 0 298.1 301.6 297.5 354.2 19.27 1 106 16290 -79.9 -101.9 1 22.0 -79.9 220 22 367.2 367.2 300.1 367.2 0.00 2 100 16620 -79.9 -103.9 1 24.0 -79.9 230 20 373.4 373.4 301.1 373.4 0.00 TRP 106 16290 -79.9 -101.9 1 22.0 -79.9 220 22 367.2 367.2 300.1 367.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 4999.33 m Freezing level: 786.71 mb = 3911.89 m = 12834.14 ft Wetbulb zero: 789.94 mb = 1761.15 m = 5778.00 ft Precipitable water: 3.35 inches Sfc-500 mean rel hum: 93.43 % Est. max temperature: 31.04 C = 87.87 F Sfc-Lift cond lev (LCL): 988.34 mb = 140.38 m = 460.57 ft T: 24.35 C 700-500 lapse rate: 6.46 C/km ThetaE index: 0.00 C Layer 998.0- -0.0 mb Conv cond level (CCL): 106.00 mb = 16289.58 m = 53442.84 ft Mean mixing ratio: 55.15 g/kg Conv temperature: 254.78 C = 490.60 F Cap Strength: -13.83 C Lifted Index: -26.36 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -35.18 C Lifted Index @700 mb: -20.26 C Showalter Index: -1.63 C Risk: Thunderstorms probable Total Totals Index: 47.33 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.78 C Cross Totals Index: 22.55 C K Index: 35.79 Risk: > 80 % chance of thunderstorms Sweat Index: 190.89 Risk: None Energy Index: -3.20 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 270474.25 J/kg Max Up Vert Vel: 735.49 m/s Conv Inhibition (B-): 14974.07 J/kg Cap Strength: 6.50 C Lift Cond Lev (LCL): 1411.89 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: 280 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 70 0 0 -0.0 -0.0 | 100 4 -4.0 0.7 1 972 305 170 4 -0.7 3.9 | 134 7 -4.7 4.6 2 939 610 235 2 1.6 1.1 | 127 3 -2.4 1.8 3 925 747 285 2 1.9 -0.5 | 94 2 -2.1 0.2 4 907 914 290 4 3.8 -1.4 | 22 1 -0.3 -0.7 5 876 1219 295 5 4.5 -2.1 | 341 2 0.5 -1.4 6 850 1478 280 5 4.9 -0.9 | 282 1 0.9 -0.2 7 815 1829 250 4 3.8 1.4 | 172 2 -0.3 2.0 8 787 2134 210 3 1.5 2.6 | 142 4 -2.5 3.3 9 759 2438 145 1 -0.6 0.8 | 108 5 -4.6 1.5 10 732 2743 115 1 -0.9 0.4 | 103 5 -4.9 1.1 11 706 3048 235 1 0.8 0.6 | 111 3 -3.2 1.2 12 700 3119 230 3 2.3 1.9 | 146 3 -1.7 2.6 13 655 3658 250 6 5.6 2.1 | 210 3 1.6 2.7 14 631 3962 270 7 7.0 -0.0 | 257 3 3.0 0.7 15 607 4267 270 7 7.0 -0.0 | 257 3 3.0 0.7 16 585 4572 260 8 7.9 1.4 | 242 4 3.8 2.1 17 563 4877 250 8 7.5 2.7 | 226 5 3.5 3.4 18 522 5486 250 8 7.5 2.7 | 226 5 3.5 3.4 19 500 5840 230 14 10.7 9.0 | 215 12 6.7 9.7 20 484 6096 230 15 11.5 9.6 | 216 13 7.5 10.3 21 400 7560 225 19 13.4 13.4 | 214 17 9.4 14.1 22 397 7620 225 18 12.7 12.7 | 213 16 8.7 13.4 23 323 9144 225 21 14.8 14.8 | 215 19 10.8 15.5 24 300 9690 250 27 25.4 9.2 | 245 24 21.3 9.9 25 261 10668 225 20 14.1 14.1 | 214 18 10.1 14.8 26 250 10970 220 21 13.5 16.1 | 209 19 9.5 16.8 27 208 12192 240 23 19.9 11.5 | 233 20 15.9 12.2 28 200 12450 235 21 17.2 12.0 | 226 18 13.2 12.7 29 164 13716 240 29 25.1 14.5 | 234 26 21.1 15.2 30 150 14260 240 25 21.7 12.5 | 233 22 17.6 13.2 31 127 15240 255 24 23.2 6.2 | 250 20 19.1 6.9 32 106 16290 220 22 14.1 16.9 | 210 20 10.1 17.5 33 100 16620 230 20 15.3 12.9 | 220 18 11.3 13.5 34 73 18288 335 4 1.7 -3.6 | 38 4 -2.3 -2.9 35 41 21336 85 17 -16.9 -1.5 | 88 21 -21.0 -0.8 36 23 24384 95 25 -24.9 2.2 | 96 29 -28.9 2.9 37 13 27432 100 18 -17.7 3.1 | 100 22 -21.8 3.8 Wind Parameters Mean winds (0-6000m): 249.5 at 5.5 knts Storm direction: 279.5 at 4.1 knts Shear (0-3000m) pos: 0.9 neg: 0.9 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 21.5 deg Storm rel helicity (0-3000m) pos: 9.8 neg: -9.1 tot: 0.7 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: -0.24 Storm rel vorticity (0-3000m) horiz: 4.7 stream: -1.1 10^-3/s Energy-Hel index: 14.16 Bulk Rich Number: 79769.35 Bulk Shear: 3.39 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 ------------------------------------------------------------------------------- 500 182 3 130 5| 0.0 2.3 2.3| 8.4 -1.3 7.1 14.2 0.42| 10.2 4.3 1000 239 3 143 3| 2.1 1.2 3.3| 8.4 -2.8 5.6 5.6 0.05| 7.5 0.3 1500 268 4 147 1| 1.4 1.3 2.7| 8.4 -3.3 5.1 3.4 -0.09| 5.8 -0.5 2000 262 4 160 1| 1.1 1.5 2.6| 8.4 -4.8 3.6 1.8 -0.20| 5.4 -1.1 2500 255 3 151 2| 0.9 1.1 1.9| 8.4 -8.9 -0.5 -0.2 -0.30| 5.1 -1.5 3000 252 3 141 2| 0.9 0.9 1.8| 9.8 -9.1 0.7 0.2 -0.24| 4.7 -1.1 4000 253 4 159 2| 1.4 0.7 2.1| 15.5 -9.1 6.4 1.6 0.02| 4.4 0.1 5000 256 4 187 2| 1.1 0.7 1.9| 15.5 -11.6 3.8 0.8 -0.04| 3.9 -0.2 6000 250 5 203 3| 0.9 1.2 2.1| 16.1 -15.7 0.4 0.1 -0.06| 3.9 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251008.00.gif