UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 13 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 23.4 13.4 53 10.0 17.1 140 1 295.4 297.1 289.6 322.9 9.56 1 1000 170 20.2 11.2 56 9.0 14.7 130 1 293.4 294.8 287.9 317.4 8.37 2 925 837 17.0 7.0 52 10.0 11.3 80 5 296.7 297.9 287.6 316.6 6.80 3 850 1553 12.4 4.4 58 8.0 8.0 55 5 299.1 300.3 287.9 317.4 6.17 4 700 3153 3.0 -13.0 30 16.0 -3.0 100 9 305.8 306.2 286.1 312.2 2.01 5 500 5770 -17.3 -20.7 75 3.4 -18.2 110 9 311.9 312.2 287.7 316.8 1.47 6 400 7400 -28.9 -40.9 31 12.0 -30.2 105 15 317.4 317.5 288.2 318.4 0.27 7 300 9390 -42.1 -60.1 12 18.0 -42.8 80 27 326.0 326.0 290.6 326.2 0.04 8 250 10600 -50.9 -65.9 15 15.0 -51.2 80 21 330.4 330.4 291.9 330.5 0.02 9 200 12030 -57.9 -71.9 15 14.0 -58.0 55 5 341.1 341.1 294.6 341.1 0.01 10 191 12320 -59.7 -73.7 15 14.0 -59.9 20 15 342.7 342.7 295.0 342.7 0.01 11 150 13830 -61.5 -88.5 2 27.0 -61.7 295 3 364.1 364.1 299.5 364.1 0.00 12 100 16330 -65.1 -93.1 1 28.0 -65.3 45 1 401.9 401.9 305.5 401.9 0.00 TRP 191 12320 -59.7 -73.7 15 14.0 -59.9 20 15 342.7 342.7 295.0 342.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5600.00 m Freezing level: 670.44 mb = 3539.75 m = 11613.21 ft Wetbulb zero: 741.22 mb = 2681.48 m = 8797.41 ft Precipitable water: 0.89 inches Sfc-500 mean rel hum: 50.51 % Est. max temperature: 26.71 C = 80.07 F Sfc-Lift cond lev (LCL): 875.15 mb = 1306.06 m = 4284.92 ft T: 13.99 C 700-500 lapse rate: 7.76 C/km ThetaE index: 6.36 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 735.74 mb = 2742.61 m = 8997.97 ft Mean mixing ratio: 7.68 g/kg Conv temperature: 32.18 C = 89.92 F Cap Strength: 4.33 C Lifted Index: 0.55 C Risk: Showers probable Lifted Index @300 mb: 6.51 C Lifted Index @700 mb: 3.68 C Showalter Index: 0.55 C Risk: Thunderstorms probable Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 21.70 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 119.80 Risk: None Energy Index: -0.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.00 J/kg Max Up Vert Vel: 3.47 m/s Conv Inhibition (B-): 7190.50 J/kg Cap Strength: 4.33 C Lift Cond Lev (LCL): 836.24 mb = 1687.49 m = 5536.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 127 at 5 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 61 140 1 -0.6 0.8 | 304 4 3.7 -2.5 1 1000 170 130 1 -0.8 0.6 | 306 4 3.6 -2.6 2 925 837 80 5 -4.9 -0.9 | 8 4 -0.6 -4.1 3 850 1553 55 5 -4.1 -2.9 | 357 6 0.3 -6.1 4 700 3153 100 9 -8.9 1.6 | 69 5 -4.5 -1.7 5 500 5770 110 9 -8.5 3.1 | 87 4 -4.1 -0.2 6 400 7400 105 15 -14.5 3.9 | 93 10 -10.1 0.6 7 300 9390 80 27 -26.6 -4.7 | 70 24 -22.2 -8.0 8 250 10600 80 21 -20.7 -3.6 | 67 18 -16.3 -6.9 9 200 12030 55 5 -4.1 -2.9 | 357 6 0.3 -6.1 10 191 12320 20 15 -5.1 -14.1 | 3 17 -0.8 -17.4 11 150 13830 295 3 2.7 -1.3 | 303 8 7.1 -4.5 12 100 16330 45 1 -0.7 -0.7 | 317 5 3.7 -4.0 Wind Parameters Mean winds (0-6000m): 96.8 at 7.3 knts Storm direction: 126.8 at 5.5 knts Shear (0-3000m) pos: 1.0 neg: 0.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 119.8 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -1.2 tot: 10.8 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.53 Bulk Shear: 3.93 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 ------------------------------------------------------------------------------- 500 111 2 315 4| 0.0 2.7 2.7| 1.7 0.0 1.7 3.4 0.70| 2.9 2.0 1000 85 3 342 4| 0.0 2.4 2.4| 3.2 -0.3 2.9 2.9 0.60| 2.9 1.8 1500 75 4 351 4| 0.0 1.7 1.7| 3.2 -1.2 1.9 1.3 0.38| 2.5 0.9 2000 71 4 356 5| 0.5 1.3 1.8| 6.0 -1.2 4.8 2.4 0.51| 2.3 1.2 2500 74 5 3 5| 0.8 1.0 1.8| 8.9 -1.2 7.7 3.1 0.59| 2.3 1.4 3000 80 5 12 4| 1.0 0.9 1.9| 12.0 -1.2 10.8 3.6 0.66| 2.3 1.5 4000 88 6 28 4| 0.9 0.6 1.5| 13.2 -1.2 11.9 3.0 0.68| 1.9 1.3 5000 93 7 40 4| 0.7 0.5 1.2| 13.8 -1.2 12.6 2.5 0.69| 1.6 1.1 6000 97 7 50 4| 0.6 0.5 1.1| 14.5 -1.2 13.3 2.2 0.66| 1.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251013.12.gif