UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 18 OCT 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 1014 61 17.8 11.8 68 6.0 14.2 110 5 289.8 291.3 286.8 314.1 8.60 1 1000 164 17.0 11.0 68 6.0 13.4 115 5 290.1 291.6 286.6 313.5 8.26 2 925 826 14.0 4.0 51 10.0 8.7 165 9 293.6 294.6 285.2 309.6 5.51 3 850 1537 12.4 -14.6 14 27.0 2.3 220 3 299.1 299.4 282.9 303.7 1.45 4 700 3137 4.6 -28.4 7 33.0 -4.4 185 3 307.6 307.7 285.1 309.4 0.53 5 500 5780 -14.1 -42.1 7 28.0 -18.3 95 1 315.8 315.9 287.6 316.5 0.19 6 400 7430 -28.3 -37.3 42 9.0 -29.5 5 9 318.2 318.3 288.6 319.6 0.39 7 300 9450 -41.3 -45.3 65 4.0 -41.6 360 33 327.2 327.2 291.2 328.0 0.22 8 250 10650 -52.7 -58.7 48 6.0 -52.8 0 40 327.7 327.7 291.1 327.9 0.06 9 200 12060 -60.9 -69.9 30 9.0 -61.0 360 48 336.3 336.3 293.4 336.4 0.02 10 167 13165 -65.3 -78.3 15 13.0 -65.4 355 46 346.8 346.8 295.9 346.8 0.01 11 150 13820 -63.3 -82.3 6 19.0 -63.4 350 40 361.0 361.0 298.9 361.0 0.00 12 100 16320 -63.9 -91.9 1 28.0 -64.1 340 25 404.3 404.3 305.7 404.3 0.00 TRP 167 13165 -65.3 -78.3 15 13.0 -65.4 355 46 346.8 346.8 295.9 346.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5616.00 m Freezing level: 650.80 mb = 3787.15 m = 12424.88 ft Wetbulb zero: 798.69 mb = 2050.10 m = 6725.96 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 17.99 % Est. max temperature: 26.10 C = 78.98 F Sfc-Lift cond lev (LCL): 927.34 mb = 804.57 m = 2639.64 ft T: 14.10 C 700-500 lapse rate: 7.08 C/km ThetaE index: 10.36 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 676.17 mb = 3409.04 m = 11184.39 ft Mean mixing ratio: 6.88 g/kg Conv temperature: 36.56 C = 97.81 F Cap Strength: 7.92 C Lifted Index: 7.21 C Risk: None Lifted Index @300 mb: 11.30 C Lifted Index @700 mb: 7.92 C Showalter Index: 12.31 C Risk: None Total Totals Index: 26.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: -0.50 C K Index: -21.10 Risk: None Sweat Index: 7.00 Risk: None Energy Index: 2.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.80 J/kg Max Up Vert Vel: 3.69 m/s Conv Inhibition (B-): 9226.33 J/kg Cap Strength: 7.91 C Lift Cond Lev (LCL): 856.20 mb = 1475.90 m = 4842.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 at 2 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 1014 61 110 5 -4.7 1.7 | 84 6 -5.6 -0.6 1 1000 164 115 5 -4.5 2.1 | 88 5 -5.4 -0.2 2 925 826 165 9 -2.3 8.7 | 153 7 -3.2 6.4 3 850 1537 220 3 1.9 2.3 | 270 1 1.1 -0.0 4 700 3137 185 3 0.3 3.0 | 138 1 -0.6 0.7 5 500 5780 95 1 -1.0 0.1 | 40 3 -1.9 -2.2 6 400 7430 5 9 -0.8 -9.0 | 8 11 -1.7 -11.3 7 300 9450 360 33 -0.0 -33.0 | 1 35 -0.9 -35.3 8 250 10650 0 40 -0.0 -40.0 | 1 42 -0.9 -42.3 9 200 12060 360 48 -0.0 -48.0 | 1 50 -0.9 -50.3 10 167 13165 355 46 4.0 -45.8 | 356 48 3.1 -48.1 11 150 13820 350 40 6.9 -39.4 | 352 42 6.1 -41.7 12 100 16320 340 25 8.6 -23.5 | 343 27 7.7 -25.8 Wind Parameters Mean winds (0-6000m): 170.7 at 3.3 knts Storm direction: 200.7 at 2.5 knts Shear (0-3000m) pos: 1.1 neg: 0.3 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 58.3 deg Storm rel helicity (0-3000m) pos: 17.9 neg: -0.3 tot: 17.7 m^2/s^2 ave: 5.9 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.05 Bulk Shear: 2.23 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 ------------------------------------------------------------------------------- 500 129 6 104 6| 4.5 0.0 4.5| 6.7 0.0 6.7 13.3 0.97| 4.6 4.4 1000 152 7 132 6| 3.8 0.0 3.8| 15.5 0.0 15.5 15.5 0.89| 5.5 4.9 1500 159 6 140 5| 2.3 0.0 2.3| 17.9 0.0 17.9 12.0 0.83| 5.5 4.5 2000 167 6 145 4| 1.7 0.1 1.9| 17.9 -0.1 17.9 8.9 0.77| 4.3 3.3 2500 172 5 149 3| 1.4 0.2 1.6| 17.9 -0.2 17.8 7.1 0.71| 3.5 2.5 3000 174 5 150 3| 1.1 0.3 1.4| 17.9 -0.3 17.7 5.9 0.66| 3.0 2.0 4000 174 4 145 2| 0.9 0.4 1.2| 17.9 -0.7 17.2 4.3 0.54| 2.5 1.3 5000 172 4 134 2| 0.7 0.4 1.1| 17.9 -1.4 16.5 3.3 0.45| 2.1 1.0 6000 171 3 124 2| 0.6 0.4 1.0| 18.4 -2.0 16.5 2.7 0.40| 2.0 0.8 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251018.12.gif