UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110812.upa.cvt Date: 1200Z 8 NOV 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 8 NOV 25 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1012 61 16.6 12.0 74 4.6 13.8 330 3 288.8 290.3 286.5 313.3 8.73 1 1000 150 15.0 10.2 73 4.8 12.2 325 5 288.1 289.5 285.4 310.1 7.83 2 925 803 9.0 8.2 95 0.8 8.6 330 13 288.5 289.8 285.1 309.3 7.39 3 850 1498 4.2 0.8 79 3.4 2.6 325 17 290.5 291.4 283.1 304.3 4.77 4 700 3053 -4.1 -14.1 46 10.0 -7.4 320 11 297.9 298.3 282.8 303.6 1.83 5 500 5620 -21.1 -28.1 53 7.0 -22.4 265 5 307.3 307.5 285.2 309.9 0.76 6 400 7230 -32.9 -40.9 45 8.0 -33.6 185 21 312.2 312.3 286.5 313.2 0.27 7 300 9190 -48.9 -54.9 50 6.0 -49.1 200 23 316.4 316.4 287.6 316.7 0.07 8 266 9970 -53.3 -62.3 33 9.0 -53.5 140 25 321.1 321.1 289.1 321.2 0.03 9 250 10370 -52.1 -76.1 4 24.0 -52.4 255 15 328.6 328.6 291.3 328.6 0.00 10 200 11810 -52.5 -84.5 1 32.0 -52.9 345 15 349.6 349.6 296.5 349.6 0.00 11 150 13650 -56.5 -87.5 1 31.0 -56.8 250 7 372.7 372.7 301.1 372.7 0.00 12 100 16200 -61.7 -90.7 1 29.0 -61.9 25 5 408.5 408.5 306.3 408.5 0.00 TRP 266 9970 -53.3 -62.3 33 9.0 -53.5 140 25 321.1 321.1 289.1 321.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5470.00 m Freezing level: 774.10 mb = 2284.87 m = 7496.19 ft Wetbulb zero: 811.11 mb = 1873.11 m = 6145.30 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 61.60 % Est. max temperature: 18.06 C = 64.50 F Sfc-Lift cond lev (LCL): 944.89 mb = 624.79 m = 2049.81 ft T: 10.64 C 700-500 lapse rate: 6.62 C/km ThetaE index: 9.66 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 917.24 mb = 872.28 m = 2861.77 ft Mean mixing ratio: 7.62 g/kg Conv temperature: 16.56 C = 61.80 F Cap Strength: 0.20 C Lifted Index: 1.32 C Risk: Showers probable Lifted Index @300 mb: 4.87 C Lifted Index @700 mb: 0.10 C Showalter Index: 4.90 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 21.90 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 48.60 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.92 J/kg Max Up Vert Vel: 8.11 m/s Conv Inhibition (B-): 0.78 J/kg Cap Strength: 1.27 C Lift Cond Lev (LCL): 921.77 mb = 831.78 m = 2728.90 ft Lev Free Conv (LFC): 906.77 mb = 966.63 m = 3171.33 ft Equ Level (EL): 706.77 mb = 2975.94 m = 9763.48 ft B at Equ Level: 32.75 J/kg Max Parcel Lev (MPL): 516.77 mb = 5368.36 m = 17612.51 ft Wind level data Storm motion: 345 at 8 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 1012 61 330 3 1.5 -2.6 | 174 5 -0.5 4.8 1 1000 150 325 5 2.9 -4.1 | 194 3 0.8 3.4 2 925 803 330 13 6.5 -11.3 | 310 6 4.5 -3.8 3 850 1498 325 17 9.8 -13.9 | 310 10 7.7 -6.5 4 700 3053 320 11 7.1 -8.4 | 281 5 5.1 -1.0 5 500 5620 265 5 5.0 0.4 | 201 8 3.0 7.9 6 400 7230 185 21 1.8 20.9 | 180 28 -0.2 28.4 7 300 9190 200 23 7.9 21.6 | 191 30 5.8 29.1 8 266 9970 140 25 -16.1 19.2 | 146 32 -18.1 26.6 9 250 10370 255 15 14.5 3.9 | 228 17 12.5 11.3 10 200 11810 345 15 3.9 -14.5 | 345 7 1.9 -7.0 11 150 13650 250 7 6.6 2.4 | 205 11 4.6 9.8 12 100 16200 25 5 -2.1 -4.5 | 125 5 -4.1 2.9 Wind Parameters Mean winds (0-6000m): 314.8 at 10.3 knts Storm direction: 344.8 at 7.7 knts Shear (0-3000m) pos: 0.0 neg: 1.4 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 106.7 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -7.3 tot: -0.4 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 16.37 Bulk Shear: 2.01 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 ------------------------------------------------------------------------------- 500 327 7 224 2| 0.0 7.2 7.2| 4.8 0.0 4.8 9.6 0.85| 7.4 6.2 1000 329 10 286 3| 0.0 5.9 5.9| 6.9 0.0 6.9 6.9 0.67| 6.0 4.0 1500 328 12 300 5| 0.0 4.7 4.7| 6.9 -0.6 6.3 4.2 0.53| 4.9 2.6 2000 326 13 302 6| 0.0 3.0 3.0| 6.9 -3.0 3.9 2.0 0.40| 4.2 1.7 2500 326 13 302 6| 0.0 2.0 2.0| 6.9 -5.2 1.7 0.7 0.30| 3.7 1.1 3000 325 13 300 6| 0.0 1.4 1.4| 6.9 -7.3 -0.4 -0.1 0.20| 3.5 0.7 4000 322 12 291 6| 0.0 0.8 0.8| 6.9 -13.6 -6.6 -1.7 -0.00| 3.2 -0.0 5000 319 11 280 5| 0.0 0.5 0.5| 6.9 -20.0 -13.0 -2.6 -0.12| 2.9 -0.4 6000 315 10 268 5| 0.0 0.8 0.8| 10.0 -23.3 -13.4 -2.2 -0.11| 3.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251108.12.gif