UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 10 DEC 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 1013 61 12.0 11.7 98 0.3 11.9 145 9 284.1 285.6 284.4 307.6 8.55 1 1000 154 12.6 11.3 92 1.3 11.9 170 11 285.8 287.2 285.0 309.2 8.43 2 925 807 10.2 7.2 82 3.0 8.5 225 13 289.7 291.0 285.1 309.3 6.90 3 850 1507 7.2 4.5 83 2.7 5.8 210 21 293.7 294.8 285.9 311.7 6.22 4 700 3081 -0.5 -0.8 98 0.3 -0.6 235 17 301.9 302.9 287.9 317.5 5.16 5 500 5700 -14.7 -16.1 89 1.4 -15.2 210 40 315.1 315.5 289.5 322.3 2.18 6 400 7350 -26.7 -28.2 87 1.5 -27.0 220 44 320.3 320.5 289.8 323.6 0.94 7 300 9360 -42.7 -46.4 67 3.7 -42.9 220 42 325.2 325.2 290.5 325.9 0.20 8 250 10560 -53.5 -57.2 64 3.7 -53.6 245 54 326.5 326.5 290.8 326.8 0.07 9 202 11899 -63.7 -67.3 61 3.6 -63.7 220 36 330.9 330.9 292.0 331.0 0.02 10 200 11960 -63.1 -66.6 62 3.5 -63.1 220 36 332.8 332.8 292.5 332.9 0.02 11 150 13770 -58.1 -64.1 46 6.0 -58.2 245 19 370.0 370.0 300.6 370.2 0.05 12 100 16280 -65.9 -83.9 6 18.0 -66.0 330 13 400.4 400.4 305.3 400.4 0.00 TRP 202 11899 -63.7 -67.3 61 3.6 -63.7 220 36 330.9 330.9 292.0 331.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5546.00 m Freezing level: 709.74 mb = 2978.79 m = 9772.82 ft Wetbulb zero: 714.67 mb = 2912.82 m = 9556.38 ft Precipitable water: 1.19 inches Sfc-500 mean rel hum: 90.55 % Est. max temperature: 20.91 C = 69.64 F Sfc-Lift cond lev (LCL): 1008.53 mb = 92.81 m = 304.48 ft T: 12.21 C 700-500 lapse rate: 5.42 C/km ThetaE index: 0.00 C Layer 1013.0-55782952777075916800.0 mb Conv cond level (CCL): 861.72 mb = 1393.65 m = 4572.28 ft Mean mixing ratio: 7.66 g/kg Conv temperature: 20.98 C = 69.76 F Cap Strength: 3.99 C Lifted Index: 8.13 C Risk: None Lifted Index @300 mb: 11.54 C Lifted Index @700 mb: 3.99 C Showalter Index: 6.55 C Risk: None Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.20 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 136.00 Risk: None Energy Index: 2.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.19 J/kg Max Up Vert Vel: 4.94 m/s Conv Inhibition (B-): 10244.11 J/kg Cap Strength: 8.04 C Lift Cond Lev (LCL): 932.69 mb = 737.68 m = 2420.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 246 at 18 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 1013 61 145 9 -5.2 7.4 | 91 21 -21.2 0.3 1 1000 154 170 11 -1.9 10.8 | 102 18 -18.0 3.7 2 925 807 225 13 9.2 9.2 | 107 7 -6.9 2.1 3 850 1507 210 21 10.5 18.2 | 153 12 -5.6 11.1 4 700 3081 235 17 13.9 9.8 | 141 3 -2.1 2.7 5 500 5700 210 40 20.0 34.6 | 188 28 3.9 27.5 6 400 7350 220 44 28.3 33.7 | 205 29 12.2 26.6 7 300 9360 220 42 27.0 32.2 | 204 27 10.9 25.1 8 250 10560 245 54 48.9 22.8 | 244 36 32.9 15.7 9 202 11899 220 36 23.1 27.6 | 199 22 7.1 20.5 10 200 11960 220 36 23.1 27.6 | 199 22 7.1 20.5 11 150 13770 245 19 17.2 8.0 | 231 1 1.1 0.9 12 100 16280 330 13 6.5 -11.3 | 28 21 -9.6 -18.4 Wind Parameters Mean winds (0-6000m): 216.2 at 23.4 knts Storm direction: 246.2 at 17.6 knts Shear (0-3000m) pos: 3.2 neg: 1.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 51.2 deg Storm rel helicity (0-3000m) pos: 45.5 neg: -2.1 tot: 43.5 m^2/s^2 ave: 14.5 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.39 Bulk Shear: 31.21 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 ------------------------------------------------------------------------------- 500 183 11 105 16| 11.2 0.0 11.2| 29.3 0.0 29.3 58.6 0.52| 12.2 6.3 1000 203 12 111 12| 8.3 0.0 8.3| 35.1 -0.6 34.5 34.5 0.46| 9.8 4.5 1500 208 14 122 11| 5.5 1.9 7.5| 44.7 -0.6 44.1 29.4 0.51| 8.5 4.3 2000 210 16 129 11| 4.4 1.5 5.8| 45.5 -0.6 44.9 22.4 0.46| 7.2 3.3 2500 213 17 134 10| 3.7 1.2 4.9| 45.5 -1.0 44.5 17.8 0.41| 6.3 2.6 3000 216 17 136 9| 3.2 1.0 4.2| 45.5 -2.1 43.5 14.5 0.35| 5.8 2.0 4000 220 18 145 8| 2.4 1.9 4.3| 52.1 -2.1 50.0 12.5 0.38| 5.5 2.1 5000 219 20 159 9| 1.9 2.5 4.5| 52.9 -4.5 48.4 9.7 0.30| 5.4 1.6 6000 216 23 169 12| 1.7 2.5 4.3| 65.1 -13.0 52.0 8.7 0.27| 5.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251210.00.gif