UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 20 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 91 22.8 21.6 93 1.2 22.0 0 0 296.0 298.9 295.1 343.3 16.46 1 925 766 22.2 18.3 79 3.9 19.5 165 3 302.0 304.7 295.4 344.7 14.46 2 850 1497 18.2 8.2 52 10.0 12.1 80 3 305.2 306.7 291.6 329.5 8.05 3 700 3131 8.6 -3.4 43 12.0 2.6 285 1 312.0 312.8 290.4 325.4 4.25 4 500 5830 -7.1 -24.1 24 17.0 -12.1 20 16 324.4 324.6 291.2 328.2 1.09 5 400 7530 -20.3 -38.3 18 18.0 -23.2 295 19 328.6 328.7 291.7 329.9 0.35 6 300 9600 -31.3 -57.3 6 26.0 -33.2 270 37 341.3 341.3 294.7 341.5 0.06 7 250 10870 -38.7 -75.7 1 37.0 -39.9 275 40 348.5 348.5 296.3 348.6 0.01 8 200 12360 -51.5 -84.5 1 33.0 -51.9 275 41 351.2 351.2 296.9 351.2 0.00 9 150 14170 -65.9 -93.9 1 28.0 -66.0 265 37 356.6 356.6 298.0 356.6 0.00 10 121 15445 -74.1 -100.1 1 26.0 -74.2 265 26 364.2 364.2 299.5 364.2 0.00 11 100 16550 -75.3 -101.3 1 26.0 -75.3 290 29 382.2 382.2 302.6 382.2 0.00 TRP 121 15445 -74.1 -100.1 1 26.0 -74.2 265 26 364.2 364.2 299.5 364.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5739.13 m Freezing level: 590.45 mb = 4609.43 m = 15122.63 ft Wetbulb zero: 664.67 mb = 3546.41 m = 11635.06 ft Precipitable water: 1.40 inches Sfc-500 mean rel hum: 47.11 % Est. max temperature: 32.06 C = 89.71 F Sfc-Lift cond lev (LCL): 982.97 mb = 239.60 m = 786.07 ft T: 22.67 C 700-500 lapse rate: 5.82 C/km ThetaE index: 19.23 C Layer 850.0- 500.0 mb Conv cond level (CCL): 830.66 mb = 1690.66 m = 5546.70 ft Mean mixing ratio: 14.88 g/kg Conv temperature: 32.87 C = 91.17 F Cap Strength: 2.78 C Lifted Index: -1.73 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.73 C Lifted Index @700 mb: -0.15 C Showalter Index: 4.36 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 15.30 C K Index: 21.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 120.40 Risk: None Energy Index: -0.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 480.37 J/kg Max Up Vert Vel: 31.00 m/s Conv Inhibition (B-): 112.36 J/kg Cap Strength: 2.78 C Lift Cond Lev (LCL): 906.80 mb = 937.77 m = 3076.65 ft Lev Free Conv (LFC): 701.80 mb = 3109.36 m = 10201.19 ft Equ Level (EL): 301.80 mb = 9556.91 m = 31354.32 ft B at Equ Level: 474.45 J/kg Max Parcel Lev (MPL): 191.80 mb = 12623.33 m = 41414.63 ft Wind level data Storm motion: 13 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 91 0 0 -0.0 -0.0 | 193 5 1.1 4.7 1 1000 78 0 0 -0.0 -0.0 | 193 5 1.1 4.7 2 975 305 95 8 -8.0 0.7 | 128 9 -6.9 5.4 3 942 610 135 4 -2.8 2.8 | 167 8 -1.8 7.6 4 925 766 165 3 -0.8 2.9 | 182 8 0.3 7.6 5 909 914 190 2 0.3 2.0 | 192 7 1.4 6.7 6 878 1219 85 1 -1.0 -0.1 | 181 5 0.1 4.6 7 850 1497 80 3 -3.0 -0.5 | 156 5 -1.9 4.2 8 817 1829 255 2 1.9 0.5 | 210 6 3.0 5.3 9 788 2134 280 9 8.9 -1.6 | 252 10 9.9 3.2 10 760 2438 295 13 11.8 -5.5 | 273 13 12.8 -0.8 11 733 2743 305 11 9.0 -6.3 | 279 10 10.1 -1.6 12 707 3048 300 4 3.5 -2.0 | 239 5 4.5 2.7 13 700 3131 285 1 1.0 -0.3 | 204 5 2.0 4.5 14 656 3658 110 4 -3.8 1.4 | 156 7 -2.7 6.1 15 631 3962 80 3 -3.0 -0.5 | 156 5 -1.9 4.2 16 608 4267 325 4 2.3 -3.3 | 246 4 3.3 1.5 17 585 4572 290 8 7.5 -2.7 | 257 9 8.6 2.0 18 563 4877 275 6 6.0 -0.5 | 239 8 7.0 4.2 19 522 5486 25 12 -5.1 -10.9 | 33 7 -4.0 -6.1 20 500 5830 20 16 -5.5 -15.0 | 23 11 -4.4 -10.3 21 483 6096 15 15 -3.9 -14.5 | 16 10 -2.8 -9.8 22 400 7530 295 19 17.2 -8.0 | 280 19 18.3 -3.3 23 395 7620 295 19 17.2 -8.0 | 280 19 18.3 -3.3 24 320 9144 285 28 27.0 -7.2 | 275 28 28.1 -2.5 25 300 9600 270 37 37.0 -0.0 | 263 38 38.1 4.7 26 257 10668 280 42 41.4 -7.3 | 273 42 42.4 -2.6 27 250 10870 275 40 39.8 -3.5 | 268 41 40.9 1.3 28 205 12192 280 40 39.4 -6.9 | 273 41 40.4 -2.2 29 200 12360 275 41 40.8 -3.6 | 268 42 41.9 1.2 30 161 13716 265 40 39.8 3.5 | 259 42 40.9 8.2 31 150 14170 265 37 36.9 3.2 | 258 39 37.9 8.0 32 125 15240 265 27 26.9 2.4 | 256 29 28.0 7.1 33 121 15445 265 26 25.9 2.3 | 255 28 27.0 7.0 34 100 16550 290 29 27.3 -9.9 | 280 29 28.3 -5.2 35 72 18288 260 21 20.7 3.6 | 249 23 21.7 8.4 36 40 21336 65 5 -4.5 -2.1 | 127 4 -3.5 2.6 37 22 24384 50 9 -6.9 -5.8 | 80 6 -5.8 -1.0 38 12 27432 170 5 -0.9 4.9 | 181 10 0.2 9.7 Wind Parameters Mean winds (0-6000m): 342.6 at 6.5 knts Storm direction: 12.6 at 4.9 knts Shear (0-3000m) pos: 1.6 neg: 1.2 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 27.8 deg Storm rel helicity (0-3000m) pos: 58.9 neg: -19.6 tot: 39.3 m^2/s^2 ave: 13.1 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 2.1 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 34.83 Bulk Shear: 13.79 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 ------------------------------------------------------------------------------- 500 102 5 145 7| 4.7 0.0 4.7| 12.4 -3.9 8.5 17.1 0.07| 15.5 1.1 1000 120 4 160 7| 2.3 1.5 3.8| 19.3 -5.9 13.4 13.4 0.16| 10.6 1.7 1500 114 3 162 6| 2.0 1.0 3.0| 21.3 -8.2 13.1 8.7 0.11| 8.8 1.0 2000 124 3 165 7| 1.6 0.7 2.3| 40.4 -8.2 32.2 16.1 0.35| 9.4 3.3 2500 281 5 238 7| 1.9 0.6 2.5| 58.0 -8.2 49.7 19.9 0.42| 9.0 3.8 3000 294 6 248 7| 1.6 1.2 2.7| 58.9 -19.6 39.3 13.1 0.23| 9.2 2.1 4000 301 5 247 6| 1.2 1.3 2.5| 59.1 -33.8 25.3 6.3 0.07| 8.7 0.6 5000 298 5 247 6| 1.0 0.2 1.2| 70.8 -39.7 31.1 6.2 0.13| 8.7 1.1 6000 343 6 296 3| 1.2 0.1 1.3| 91.7 -47.2 44.5 7.4 0.20| 8.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251020.00.gif