UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 7 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 1018 61 19.8 9.8 52 10.0 13.9 10 3 291.5 292.8 286.3 312.8 7.48 1 1000 198 18.2 9.2 56 9.0 13.0 60 5 291.4 292.6 286.1 312.2 7.31 2 925 863 17.2 3.2 39 14.0 9.7 105 7 296.9 297.8 286.1 312.3 5.21 3 850 1580 14.2 4.2 51 10.0 8.6 110 7 301.0 302.1 288.5 319.2 6.09 4 700 3199 6.8 -3.2 49 10.0 1.9 165 9 310.0 310.8 289.8 323.5 4.31 5 500 5880 -9.1 -19.1 44 10.0 -12.3 210 13 321.9 322.3 291.0 327.7 1.69 6 400 7570 -20.9 -42.9 12 22.0 -23.9 265 27 327.8 327.9 291.3 328.7 0.22 7 300 9620 -38.3 -56.3 13 18.0 -39.2 260 23 331.4 331.4 292.2 331.6 0.06 8 250 10850 -47.9 -57.9 31 10.0 -48.3 265 13 334.9 334.9 293.1 335.1 0.06 9 200 12280 -58.9 -65.9 40 7.0 -59.0 270 29 339.5 339.5 294.2 339.6 0.03 10 150 14070 -62.3 -83.3 4 21.0 -62.4 270 27 362.8 362.8 299.2 362.8 0.00 11 117 15585 -67.9 -94.9 1 27.0 -68.0 270 25 379.1 379.1 302.1 379.1 0.00 12 100 16530 -67.7 -94.7 1 27.0 -67.8 270 11 396.9 396.9 304.8 396.9 0.00 TRP 117 15585 -67.9 -94.9 1 27.0 -68.0 270 25 379.1 379.1 302.1 379.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5682.00 m Freezing level: 614.47 mb = 4345.59 m = 14257.02 ft Wetbulb zero: 673.38 mb = 3507.86 m = 11508.60 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 47.53 % Est. max temperature: 28.38 C = 83.09 F Sfc-Lift cond lev (LCL): 877.39 mb = 1311.08 m = 4301.40 ft T: 15.33 C 700-500 lapse rate: 5.93 C/km ThetaE index: 0.59 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 608.11 mb = 4320.35 m = 14174.19 ft Mean mixing ratio: 6.38 g/kg Conv temperature: 43.54 C = 110.37 F Cap Strength: 9.77 C Lifted Index: 11.74 C Risk: None Lifted Index @300 mb: 13.77 C Lifted Index @700 mb: 9.77 C Showalter Index: 7.76 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 13.30 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 77.40 Risk: None Energy Index: 1.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.36 J/kg Max Up Vert Vel: 4.77 m/s Conv Inhibition (B-): 10488.24 J/kg Cap Strength: 11.59 C Lift Cond Lev (LCL): 818.04 mb = 1899.60 m = 6232.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 198 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 1018 61 10 3 -0.5 -3.0 | 15 10 -2.6 -9.5 1 1000 198 60 5 -4.3 -2.5 | 35 11 -6.4 -9.0 2 925 863 105 7 -6.8 1.8 | 62 10 -8.8 -4.7 3 850 1580 110 7 -6.6 2.4 | 65 10 -8.7 -4.1 4 700 3199 165 9 -2.3 8.7 | 116 5 -4.4 2.2 5 500 5880 210 13 6.5 11.3 | 223 6 4.4 4.7 6 400 7570 265 27 26.9 2.4 | 280 25 24.8 -4.2 7 300 9620 260 23 22.7 4.0 | 277 21 20.6 -2.5 8 250 10850 265 13 13.0 1.1 | 296 12 10.9 -5.4 9 200 12280 270 29 29.0 -0.0 | 284 28 26.9 -6.5 10 150 14070 270 27 27.0 -0.0 | 285 26 24.9 -6.5 11 117 15585 270 25 25.0 -0.0 | 286 24 22.9 -6.5 12 100 16530 270 11 11.0 -0.0 | 306 11 8.9 -6.5 Wind Parameters Mean winds (0-6000m): 167.7 at 9.1 knts Storm direction: 197.7 at 6.8 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 94.2 deg Storm rel helicity (0-3000m) pos: 37.2 neg: 0.0 tot: 37.2 m^2/s^2 ave: 12.4 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.68 Bulk Shear: 16.81 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 67 5 38 11| 6.2 0.0 6.2| 17.8 0.0 17.8 35.6 0.96| 6.8 6.5 1000 87 6 49 10| 4.1 0.0 4.1| 24.7 0.0 24.7 24.7 0.95| 4.8 4.5 1500 95 6 55 10| 2.8 0.0 2.8| 25.5 0.0 25.5 17.0 0.94| 3.3 3.1 2000 102 7 58 10| 2.4 0.0 2.4| 29.9 0.0 29.9 15.0 0.92| 3.0 2.8 2500 110 7 64 9| 2.2 0.0 2.2| 33.9 0.0 33.9 13.5 0.90| 2.9 2.7 3000 119 7 70 9| 2.0 0.0 2.0| 37.2 0.0 37.2 12.4 0.88| 2.9 2.6 4000 136 8 82 7| 1.7 0.0 1.7| 41.2 0.0 41.2 10.3 0.89| 2.6 2.3 5000 152 8 98 6| 1.5 0.0 1.5| 45.4 0.0 45.4 9.1 0.91| 2.5 2.2 6000 168 9 121 5| 1.5 0.0 1.5| 51.6 0.0 51.6 8.6 0.87| 2.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251007.12.gif