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 LFBD... Searching the city database file for: LFBD ... Date:0000Z 20 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 1001 61 16.0 15.4 96 0.6 15.6 210 5 289.1 291.0 288.8 320.0 11.05 1 1000 61 15.4 15.0 97 0.4 15.1 210 5 288.5 290.4 288.3 318.7 10.78 2 925 723 13.4 12.6 95 0.8 12.9 225 23 293.0 294.8 289.2 321.4 9.96 3 850 1431 9.6 9.6 100 0.0 9.6 230 29 296.2 297.8 289.3 321.9 8.86 4 700 3018 1.0 1.0 100 0.0 1.0 255 33 303.6 304.7 289.2 321.4 5.89 5 500 5630 -15.5 -23.5 50 8.0 -17.5 240 38 314.1 314.4 288.1 318.0 1.15 6 400 7280 -27.9 -30.3 80 2.4 -28.3 240 60 318.7 318.9 289.2 321.4 0.77 7 367 7892 -32.6 -36.3 69 3.8 -33.0 240 69 320.5 320.5 289.4 322.1 0.47 8 300 9280 -43.5 -50.5 46 7.0 -43.9 235 64 324.0 324.1 290.1 324.5 0.12 9 250 10480 -51.7 -62.7 26 11.0 -52.0 250 54 329.2 329.2 291.5 329.3 0.03 10 243 10664 -52.9 -63.9 25 11.0 -53.1 250 54 330.1 330.1 291.7 330.2 0.03 11 200 11920 -54.3 -69.3 14 15.0 -54.6 265 56 346.8 346.8 295.9 346.9 0.02 12 150 13740 -58.5 -76.5 8 18.0 -58.7 260 44 369.3 369.3 300.4 369.3 0.01 13 100 16270 -61.1 -90.1 1 29.0 -61.4 290 29 409.7 409.7 306.5 409.7 0.00 TRP 243 10664 -52.9 -63.9 25 11.0 -53.1 250 54 330.1 330.1 291.7 330.2 0.03 WND 367 7892 -32.6 -36.3 69 3.8 -33.0 240 69 320.5 320.5 289.4 322.1 0.47 Sounding variables and indices 1000-500 mb thick: 5569.00 m Freezing level: 687.88 mb = 3176.30 m = 10420.81 ft Wetbulb zero: 689.03 mb = 3140.65 m = 10303.86 ft Precipitable water: 1.37 inches Sfc-500 mean rel hum: 87.21 % Est. max temperature: 23.09 C = 73.57 F Sfc-Lift cond lev (LCL): 992.31 mb = 126.55 m = 415.17 ft T: 15.20 C 700-500 lapse rate: 6.32 C/km ThetaE index: 3.85 C Layer 700.0- 400.0 mb Conv cond level (CCL): 912.99 mb = 832.44 m = 2731.08 ft Mean mixing ratio: 10.23 g/kg Conv temperature: 20.44 C = 68.79 F Cap Strength: 0.84 C Lifted Index: 0.65 C Risk: Showers probable Lifted Index @300 mb: 3.06 C Lifted Index @700 mb: 0.39 C Showalter Index: -0.11 C Risk: Thunderstorms probable Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 25.10 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 281.91 Risk: None Energy Index: -0.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.45 J/kg Max Up Vert Vel: 6.39 m/s Conv Inhibition (B-): 7291.69 J/kg Cap Strength: 0.77 C Lift Cond Lev (LCL): 941.23 mb = 575.27 m = 1887.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 24 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 1001 61 210 5 2.5 4.3 | 104 22 -21.0 5.3 1 1000 61 210 5 2.5 4.3 | 104 22 -21.0 5.3 2 925 723 225 23 16.3 16.3 | 157 19 -7.2 17.3 3 850 1431 230 29 22.2 18.6 | 176 20 -1.3 19.6 4 700 3018 255 33 31.9 8.5 | 221 13 8.4 9.5 5 500 5630 240 38 32.9 19.0 | 205 22 9.4 20.0 6 400 7280 240 60 52.0 30.0 | 223 42 28.5 31.0 7 367 7892 240 69 59.8 34.5 | 226 51 36.3 35.5 8 300 9280 235 64 52.4 36.7 | 217 48 28.9 37.7 9 250 10480 250 54 50.7 18.5 | 234 33 27.2 19.5 10 243 10664 250 54 50.7 18.5 | 234 33 27.2 19.5 11 200 11920 265 56 55.8 4.9 | 260 33 32.3 5.9 12 150 13740 260 44 43.3 7.6 | 246 22 19.8 8.6 13 100 16270 290 29 27.3 -9.9 | 337 10 3.8 -8.9 Wind Parameters Mean winds (0-6000m): 242.4 at 31.4 knts Storm direction: 272.4 at 23.5 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 116.7 deg Storm rel helicity (0-3000m) pos: 175.8 neg: 0.0 tot: 175.8 m^2/s^2 ave: 58.6 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 6.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.34 Bulk Shear: 59.32 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 ------------------------------------------------------------------------------- 500 219 12 122 19| 14.1 0.0 14.1| 70.5 0.0 70.5 140.9 0.97| 14.2 13.8 1000 224 17 140 18| 10.9 0.0 10.9|108.2 0.0 108.2 108.2 0.98| 11.0 10.8 1500 227 21 152 17| 8.5 0.0 8.5|129.7 0.0 129.7 86.4 0.98| 8.9 8.7 2000 230 23 160 17| 6.8 0.0 6.8|146.4 0.0 146.4 73.2 0.96| 7.8 7.4 2500 233 25 167 16| 5.8 0.0 5.8|162.1 0.0 162.1 64.8 0.94| 7.1 6.7 3000 237 26 174 15| 5.1 0.0 5.1|175.8 0.0 175.8 58.6 0.94| 6.7 6.3 4000 242 28 185 14| 3.8 0.5 4.3|175.8 -6.7 169.1 42.3 0.81| 5.5 4.5 5000 243 30 192 15| 3.1 0.8 3.9|175.8 -15.6 160.1 32.0 0.70| 4.8 3.4 6000 242 31 196 16| 2.5 1.2 3.8|194.1 -21.1 173.0 28.8 0.63| 4.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251020.00.gif