UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 21 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 14.4 14.1 98 0.3 14.2 220 11 287.5 289.2 287.3 315.7 10.15 1 1000 59 14.8 14.4 97 0.4 14.6 220 11 288.0 289.8 287.7 316.9 10.36 2 925 717 11.8 10.4 91 1.4 11.0 270 29 291.4 292.9 287.3 315.8 8.59 3 850 1419 7.2 6.4 95 0.8 6.8 265 36 293.7 295.0 286.8 314.2 7.11 4 700 2995 0.2 -19.8 21 20.0 -6.0 275 35 302.7 302.9 284.0 306.4 1.13 5 500 5610 -15.7 -24.7 46 9.0 -17.9 285 62 313.9 314.1 287.9 317.4 1.03 6 400 7260 -26.5 -29.3 77 2.8 -27.0 285 52 320.5 320.7 289.8 323.5 0.85 7 300 9270 -42.9 -45.0 80 2.1 -43.0 285 66 324.9 324.9 290.5 325.8 0.23 8 250 10480 -49.7 -61.7 23 12.0 -50.0 285 85 332.2 332.2 292.3 332.3 0.04 9 241 10719 -50.6 -63.2 21 12.7 -50.8 285 89 334.4 334.4 292.9 334.5 0.03 10 200 11920 -54.9 -70.9 12 16.0 -55.2 290 85 345.8 345.8 295.7 345.9 0.01 11 156 13494 -59.3 -79.3 6 20.0 -59.5 280 77 363.8 363.8 299.4 363.8 0.00 12 150 13740 -58.9 -79.9 5 21.0 -59.1 280 73 368.6 368.6 300.3 368.6 0.00 13 100 16260 -64.1 -91.1 1 27.0 -64.3 275 40 403.9 403.9 305.7 403.9 0.00 TRP 156 13494 -59.3 -79.3 6 20.0 -59.5 280 77 363.8 363.8 299.4 363.8 0.00 WND 241 10719 -50.6 -63.2 21 12.7 -50.8 285 89 334.4 334.4 292.9 334.5 0.03 Sounding variables and indices 1000-500 mb thick: 5551.00 m Freezing level: 697.48 mb = 3027.89 m = 9933.91 ft Wetbulb zero: 770.27 mb = 2218.47 m = 7278.35 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 54.29 % Est. max temperature: 20.59 C = 69.06 F Sfc-Lift cond lev (LCL): 996.69 mb = 87.02 m = 285.50 ft T: 14.67 C 700-500 lapse rate: 6.08 C/km ThetaE index: 10.48 C Layer 925.0- 500.0 mb Conv cond level (CCL): 916.21 mb = 796.26 m = 2612.37 ft Mean mixing ratio: 9.20 g/kg Conv temperature: 18.57 C = 65.43 F Cap Strength: 1.44 C Lifted Index: 2.88 C Risk: None Lifted Index @300 mb: 6.59 C Lifted Index @700 mb: 1.44 C Showalter Index: 4.03 C Risk: None Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.10 C K Index: 9.30 Risk: None Sweat Index: 210.80 Risk: None Energy Index: 0.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.78 J/kg Max Up Vert Vel: 5.96 m/s Conv Inhibition (B-): 8.05 J/kg Cap Strength: 2.77 C Lift Cond Lev (LCL): 936.54 mb = 612.35 m = 2009.00 ft Lev Free Conv (LFC): 871.54 mb = 1211.23 m = 3973.80 ft Equ Level (EL): 811.54 mb = 1794.84 m = 5888.51 ft B at Equ Level: 17.67 J/kg Max Parcel Lev (MPL): 721.54 mb = 2748.98 m = 9018.85 ft Wind level data Storm motion: 307 at 31 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 61 220 11 7.1 8.4 | 147 32 -17.7 27.0 1 1000 59 220 11 7.1 8.4 | 147 32 -17.7 27.0 2 925 717 270 29 29.0 -0.0 | 193 19 4.2 18.6 3 850 1419 265 36 35.9 3.1 | 207 24 11.1 21.7 4 700 2995 275 35 34.9 -3.1 | 213 19 10.1 15.5 5 500 5610 285 62 59.9 -16.0 | 266 35 35.1 2.5 6 400 7260 285 52 50.2 -13.5 | 259 26 25.4 5.1 7 300 9270 285 66 63.8 -17.1 | 268 39 39.0 1.5 8 250 10480 285 85 82.1 -22.0 | 273 57 57.3 -3.4 9 241 10719 285 89 86.0 -23.0 | 274 61 61.2 -4.5 10 200 11920 290 85 79.9 -29.1 | 281 56 55.1 -10.5 11 156 13494 280 77 75.8 -13.4 | 264 51 51.1 5.2 12 150 13740 280 73 71.9 -12.7 | 263 47 47.1 5.9 13 100 16260 275 40 39.8 -3.5 | 225 21 15.1 15.1 Wind Parameters Mean winds (0-6000m): 276.8 at 41.3 knts Storm direction: 306.8 at 31.0 knts Shear (0-3000m) pos: 4.8 neg: 0.6 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 68.3 deg Storm rel helicity (0-3000m) pos: 195.9 neg: 0.0 tot: 195.9 m^2/s^2 ave: 65.3 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.20 Bulk Shear: 89.93 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 ------------------------------------------------------------------------------- 500 253 18 162 25| 17.9 0.0 17.9|120.1 0.0 120.1 240.2 0.87| 18.7 16.3 1000 262 24 177 22| 13.5 0.0 13.5|165.2 0.0 165.2 165.2 0.84| 14.7 12.3 1500 264 27 186 22| 9.0 1.2 10.2|181.2 0.0 181.2 120.8 0.81| 11.3 9.1 2000 265 29 192 22| 6.8 0.9 7.8|185.8 0.0 185.8 92.9 0.79| 9.0 7.0 2500 266 31 196 21| 5.6 0.7 6.3|189.7 0.0 189.7 75.9 0.76| 7.6 5.8 3000 268 31 199 21| 4.8 0.6 5.4|195.9 0.0 195.9 65.3 0.75| 6.7 5.0 4000 271 34 206 20| 5.0 0.5 5.4|247.9 0.0 247.9 62.0 0.78| 6.4 5.0 5000 274 37 218 20| 5.1 0.4 5.5|306.0 0.0 306.0 61.2 0.77| 6.2 4.8 6000 277 41 230 21| 4.5 0.3 4.9|340.7 -7.4 333.3 55.6 0.73| 5.9 4.3 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251021.00.gif