UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 18 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 1014 61 11.0 9.7 92 1.3 10.3 80 9 283.0 284.3 282.8 303.6 7.46 1 1000 162 14.6 11.6 82 3.0 12.8 95 9 287.8 289.3 285.9 311.8 8.60 2 925 824 13.6 7.6 67 6.0 10.2 175 3 293.2 294.5 286.6 313.6 7.09 3 850 1534 12.2 -10.8 19 23.0 2.9 80 1 298.9 299.3 283.4 305.0 1.97 4 700 3128 2.6 -26.4 10 29.0 -5.4 30 7 305.4 305.5 284.4 307.5 0.63 5 500 5760 -14.7 -38.7 11 24.0 -18.6 55 19 315.1 315.2 287.5 316.1 0.27 6 400 7400 -28.5 -46.5 16 18.0 -30.2 25 19 317.9 318.0 288.2 318.5 0.15 7 300 9390 -44.9 -57.9 22 13.0 -45.3 5 36 322.1 322.1 289.5 322.3 0.05 8 250 10590 -53.9 -64.9 25 11.0 -54.1 15 44 325.9 325.9 290.6 326.0 0.02 9 200 11990 -62.1 -71.1 29 9.0 -62.2 10 36 334.4 334.4 292.9 334.5 0.01 10 195 12147 -62.9 -70.9 33 8.0 -63.0 5 38 335.6 335.6 293.2 335.6 0.01 11 150 13780 -60.7 -83.7 3 23.0 -60.9 335 21 365.5 365.5 299.8 365.5 0.00 12 100 16300 -63.1 -92.1 1 29.0 -63.3 345 17 405.8 405.8 306.0 405.8 0.00 TRP 195 12147 -62.9 -70.9 33 8.0 -63.0 5 38 335.6 335.6 293.2 335.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5598.00 m Freezing level: 669.94 mb = 3523.56 m = 11560.10 ft Wetbulb zero: 797.51 mb = 2057.28 m = 6749.53 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 23.92 % Est. max temperature: 25.85 C = 78.53 F Sfc-Lift cond lev (LCL): 994.42 mb = 209.54 m = 687.44 ft T: 14.53 C 700-500 lapse rate: 6.57 C/km ThetaE index: 8.58 C Layer 850.0- 700.0 mb Conv cond level (CCL): 744.82 mb = 2618.43 m = 8590.54 ft Mean mixing ratio: 7.72 g/kg Conv temperature: 31.39 C = 88.50 F Cap Strength: 6.26 C Lifted Index: 6.32 C Risk: None Lifted Index @300 mb: 7.35 C Lifted Index @700 mb: 5.74 C Showalter Index: 10.83 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 3.90 C K Index: -12.90 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.58 J/kg Max Up Vert Vel: 5.76 m/s Conv Inhibition (B-): 9597.69 J/kg Cap Strength: 6.31 C Lift Cond Lev (LCL): 900.55 mb = 1048.95 m = 3441.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 83 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 1014 61 80 9 -8.9 -1.6 | 73 2 -2.2 -0.7 1 1000 162 95 9 -9.0 0.8 | 125 3 -2.3 1.7 2 925 824 175 3 -0.3 3.0 | 239 7 6.4 3.9 3 850 1534 80 1 -1.0 -0.2 | 263 6 5.6 0.7 4 700 3128 30 7 -3.5 -6.1 | 329 6 3.1 -5.2 5 500 5760 55 19 -15.6 -10.9 | 42 13 -8.9 -10.0 6 400 7400 25 19 -8.0 -17.2 | 5 16 -1.4 -16.4 7 300 9390 5 36 -3.1 -35.9 | 354 35 3.5 -35.0 8 250 10590 15 44 -11.4 -42.5 | 7 42 -4.8 -41.6 9 200 11990 10 36 -6.3 -35.5 | 359 35 0.4 -34.6 10 195 12147 5 38 -3.3 -37.9 | 355 37 3.3 -37.0 11 150 13780 335 21 8.9 -19.0 | 320 24 15.5 -18.2 12 100 16300 345 17 4.4 -16.4 | 325 19 11.0 -15.6 Wind Parameters Mean winds (0-6000m): 52.5 at 8.9 knts Storm direction: 82.5 at 6.7 knts Shear (0-3000m) pos: 1.4 neg: 1.4 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -104.8 deg Storm rel helicity (0-3000m) pos: 22.4 neg: 0.0 tot: 22.4 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.26 Bulk Shear: 7.34 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 ------------------------------------------------------------------------------- 500 105 8 166 3| 8.4 0.0 8.4| 8.2 0.0 8.2 16.3 0.90| 9.8 8.8 1000 112 6 206 3| 4.2 0.0 4.2| 14.4 0.0 14.4 14.4 0.85| 7.3 6.2 1500 116 4 226 4| 2.8 0.7 3.5| 17.2 0.0 17.2 11.5 0.85| 5.6 4.8 2000 108 4 236 4| 2.1 0.9 3.0| 18.5 0.0 18.5 9.3 0.82| 4.7 3.9 2500 94 4 249 3| 1.7 1.2 2.8| 20.6 0.0 20.6 8.2 0.83| 4.2 3.5 3000 73 4 276 3| 1.4 1.4 2.8| 22.4 0.0 22.4 7.5 0.81| 4.0 3.2 4000 54 5 314 3| 0.5 1.0 1.5| 29.9 0.0 29.9 7.5 0.82| 3.6 2.9 5000 50 7 341 4| 0.2 0.8 1.0| 40.0 0.0 40.0 8.0 0.82| 3.4 2.8 6000 53 9 6 5| 0.3 0.8 1.1| 49.1 -6.4 42.7 7.1 0.73| 3.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251018.00.gif