UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 8 DEC 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 1013 61 14.0 10.2 78 3.8 11.8 150 7 286.1 287.4 284.4 307.6 7.73 1 1000 157 12.6 9.0 79 3.6 10.6 170 7 285.8 287.0 283.7 305.9 7.21 2 925 813 11.8 1.8 50 10.0 6.8 210 17 291.4 292.2 283.4 305.0 4.71 3 850 1515 7.8 0.8 61 7.0 4.4 165 19 294.3 295.2 284.7 308.3 4.77 4 700 3099 2.2 -27.8 9 30.0 -5.7 225 33 304.9 305.0 284.1 306.8 0.56 5 500 5710 -17.1 -25.1 50 8.0 -18.9 250 29 312.2 312.4 287.3 315.6 1.00 6 400 7350 -27.9 -45.9 16 18.0 -29.6 265 17 318.7 318.8 288.5 319.3 0.16 7 300 9340 -45.5 -63.5 11 18.0 -46.0 255 35 321.2 321.2 289.2 321.3 0.02 8 250 10530 -55.1 -66.1 24 11.0 -55.3 240 52 324.1 324.2 290.0 324.2 0.02 9 200 11920 -66.3 -73.3 37 7.0 -66.4 230 58 327.8 327.8 291.1 327.8 0.01 10 190 12230 -65.8 -76.6 21 10.7 -65.9 235 64 333.4 333.4 292.6 333.4 0.01 11 150 13670 -63.7 -91.7 1 28.0 -63.8 270 46 360.3 360.3 298.8 360.3 0.00 12 100 16150 -62.7 -91.7 1 29.0 -62.9 260 23 406.6 406.6 306.1 406.6 0.00 TRP 190 12230 -67.9 -73.9 42 6.0 -67.9 235 64 330.0 330.0 291.7 330.1 0.01 WND 190 12230 -65.8 -76.6 21 10.7 -65.9 235 64 333.4 333.4 292.6 333.4 0.01 Sounding variables and indices 1000-500 mb thick: 5553.00 m Freezing level: 677.20 mb = 3396.63 m = 11143.65 ft Wetbulb zero: 785.17 mb = 2162.25 m = 7093.90 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 38.79 % Est. max temperature: 21.73 C = 71.11 F Sfc-Lift cond lev (LCL): 956.82 mb = 528.39 m = 1733.53 ft T: 12.15 C 700-500 lapse rate: 7.39 C/km ThetaE index: 2.60 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 684.57 mb = 3271.96 m = 10734.64 ft Mean mixing ratio: 5.99 g/kg Conv temperature: 33.43 C = 92.18 F Cap Strength: 8.54 C Lifted Index: 8.02 C Risk: None Lifted Index @300 mb: 11.20 C Lifted Index @700 mb: 8.54 C Showalter Index: 6.32 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 17.90 C K Index: -4.30 Risk: None Sweat Index: 226.12 Risk: None Energy Index: 1.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.77 J/kg Max Up Vert Vel: 4.64 m/s Conv Inhibition (B-): 10809.40 J/kg Cap Strength: 8.51 C Lift Cond Lev (LCL): 871.41 mb = 1308.47 m = 4292.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 254 at 19 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 1013 61 150 7 -3.5 6.1 | 92 22 -22.0 0.7 1 1000 157 170 7 -1.2 6.9 | 94 20 -19.7 1.5 2 925 813 210 17 8.5 14.7 | 133 14 -10.0 9.4 3 850 1515 165 19 -4.9 18.4 | 119 27 -23.4 13.0 4 700 3099 225 33 23.3 23.3 | 195 19 4.9 18.0 5 500 5710 250 29 27.3 9.9 | 243 10 8.8 4.6 6 400 7350 265 17 16.9 1.5 | 22 4 -1.5 -3.9 7 300 9340 255 35 33.8 9.1 | 256 16 15.3 3.7 8 250 10530 240 52 45.0 26.0 | 232 34 26.6 20.6 9 200 11920 230 58 44.4 37.3 | 219 41 25.9 31.9 10 190 12230 235 64 52.4 36.7 | 227 46 33.9 31.3 11 150 13670 270 46 46.0 -0.0 | 281 28 27.5 -5.4 12 100 16150 260 23 22.7 4.0 | 288 4 4.2 -1.4 Wind Parameters Mean winds (0-6000m): 223.8 at 25.7 knts Storm direction: 253.8 at 19.2 knts Shear (0-3000m) pos: 6.1 neg: 1.7 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 100.6 deg Storm rel helicity (0-3000m) pos: 224.4 neg: -25.5 tot: 198.9 m^2/s^2 ave: 66.3 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 6.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.21 Bulk Shear: 51.17 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 9 103 19| 9.8 0.0 9.8| 39.2 0.0 39.2 78.4 0.79| 10.2 8.1 1000 198 13 115 16| 4.9 2.3 7.2| 57.6 -3.8 53.8 53.8 0.60| 9.9 5.9 1500 189 15 119 19| 3.3 3.4 6.7| 57.8 -25.5 32.3 21.5 0.28| 9.7 2.7 2000 185 16 123 20| 4.6 2.6 7.1|112.6 -25.5 87.1 43.6 0.44| 9.4 4.1 2500 189 18 129 20| 5.5 2.0 7.5|168.3 -25.5 142.8 57.1 0.54| 9.5 5.2 3000 198 20 139 19| 6.1 1.7 7.8|224.4 -25.5 198.9 66.3 0.63| 9.8 6.2 4000 209 23 155 16| 4.8 1.3 6.1|245.9 -25.5 220.4 55.1 0.64| 8.2 5.2 5000 217 25 167 15| 3.9 1.0 5.0|260.4 -25.5 235.0 47.0 0.65| 7.1 4.6 6000 224 26 177 13| 3.2 0.9 4.0|271.6 -25.5 246.1 41.0 0.65| 6.4 4.2 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251208.12.gif