UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 8 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 1016 61 12.8 11.2 90 1.6 11.9 15 3 284.7 286.1 284.4 307.4 8.24 1 1000 182 20.0 12.0 60 8.0 15.1 20 5 293.1 294.7 288.2 318.4 8.84 2 925 850 16.8 4.8 45 12.0 10.2 295 1 296.5 297.5 286.6 313.6 5.83 3 850 1566 14.0 4.0 51 10.0 8.5 340 3 300.8 301.9 288.3 318.7 6.00 4 700 3177 5.2 -5.8 45 11.0 0.1 275 9 308.2 308.9 288.5 319.3 3.54 5 500 5840 -10.7 -33.7 13 23.0 -15.5 225 17 320.0 320.1 289.2 321.6 0.44 6 400 7520 -22.1 -32.1 40 10.0 -23.9 220 25 326.3 326.4 291.3 328.6 0.65 7 300 9560 -37.5 -52.5 19 15.0 -38.4 220 27 332.5 332.5 292.5 332.9 0.10 8 250 10790 -47.3 -59.3 24 12.0 -47.7 225 27 335.7 335.8 293.3 336.0 0.05 9 200 12230 -59.1 -65.1 46 6.0 -59.2 230 21 339.2 339.2 294.1 339.3 0.03 10 190 12549 -60.9 -69.9 30 9.0 -61.0 230 27 341.3 341.3 294.7 341.4 0.02 11 150 14010 -62.1 -78.1 10 16.0 -62.3 240 25 363.1 363.1 299.3 363.1 0.01 12 100 16490 -66.5 -91.5 2 25.0 -66.6 285 19 399.2 399.2 305.1 399.2 0.00 TRP 190 12549 -60.9 -69.9 30 9.0 -61.0 230 27 341.3 341.3 294.7 341.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5658.00 m Freezing level: 634.59 mb = 4047.92 m = 13280.41 ft Wetbulb zero: 698.25 mb = 3196.82 m = 10488.13 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 40.04 % Est. max temperature: 28.07 C = 82.53 F Sfc-Lift cond lev (LCL): 991.89 mb = 251.76 m = 825.97 ft T: 19.67 C 700-500 lapse rate: 5.97 C/km ThetaE index: 4.82 C Layer 925.0- 850.0 mb Conv cond level (CCL): 677.73 mb = 3432.83 m = 11262.44 ft Mean mixing ratio: 7.38 g/kg Conv temperature: 37.66 C = 99.79 F Cap Strength: 6.76 C Lifted Index: 8.32 C Risk: None Lifted Index @300 mb: 12.49 C Lifted Index @700 mb: 6.76 C Showalter Index: 6.39 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 14.70 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 71.00 Risk: None Energy Index: 0.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.35 J/kg Max Up Vert Vel: 6.53 m/s Conv Inhibition (B-): 10005.01 J/kg Cap Strength: 8.31 C Lift Cond Lev (LCL): 841.69 mb = 1647.55 m = 5405.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 7 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 1016 61 15 3 -0.8 -2.9 | 79 7 -7.2 -1.4 1 1000 182 20 5 -1.7 -4.7 | 69 9 -8.1 -3.2 2 925 850 295 1 0.9 -0.4 | 101 6 -5.5 1.1 3 850 1566 340 3 1.0 -2.8 | 76 6 -5.4 -1.3 4 700 3177 275 9 9.0 -0.8 | 254 3 2.5 0.7 5 500 5840 225 17 12.0 12.0 | 202 15 5.6 13.5 6 400 7520 220 25 16.1 19.2 | 205 23 9.6 20.6 7 300 9560 220 27 17.4 20.7 | 206 25 10.9 22.2 8 250 10790 225 27 19.1 19.1 | 212 24 12.7 20.6 9 200 12230 230 21 16.1 13.5 | 213 18 9.7 15.0 10 190 12549 230 27 20.7 17.4 | 217 24 14.3 18.9 11 150 14010 240 25 21.7 12.5 | 227 21 15.2 14.0 12 100 16490 285 19 18.4 -4.9 | 286 12 11.9 -3.4 Wind Parameters Mean winds (0-6000m): 253.1 at 8.8 knts Storm direction: 283.1 at 6.6 knts Shear (0-3000m) pos: 0.3 neg: 1.7 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): -170.6 deg Storm rel helicity (0-3000m) pos: 4.6 neg: -11.1 tot: -6.6 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.39 Storm rel vorticity (0-3000m) horiz: 3.2 stream: -1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.33 Bulk Shear: 16.03 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 8 4 71 7| 0.0 2.2 2.2| 2.0 -3.3 -1.3 -2.6 -0.06| 5.6 -0.3 1000 5 3 79 7| 0.0 1.4 1.4| 4.6 -4.0 0.6 0.6 0.13| 4.2 0.6 1500 356 3 80 6| 0.6 1.0 1.6| 4.6 -6.4 -1.8 -1.2 -0.06| 3.4 -0.2 2000 346 3 77 6| 0.5 1.1 1.6| 4.6 -8.5 -4.0 -2.0 -0.19| 3.2 -0.6 2500 331 3 72 5| 0.4 1.4 1.8| 4.6 -9.9 -5.4 -2.1 -0.28| 3.1 -0.9 3000 312 4 69 4| 0.3 1.7 2.0| 4.6 -11.1 -6.6 -2.2 -0.39| 3.2 -1.2 4000 288 6 76 1| 0.2 1.8 2.1| 4.6 -13.4 -8.8 -2.2 -0.40| 3.0 -1.2 5000 270 7 207 2| 0.2 1.9 2.1| 4.6 -19.4 -14.8 -3.0 -0.42| 2.9 -1.2 6000 253 9 206 5| 0.2 1.9 2.1| 5.3 -28.7 -23.4 -3.9 -0.42| 2.9 -1.2 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251008.00.gif