UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 8 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 1014 61 13.6 10.6 82 3.0 11.9 185 9 285.6 287.0 284.4 307.6 7.93 1 1000 163 16.8 8.8 59 8.0 12.2 195 13 290.0 291.2 285.4 310.2 7.12 2 925 825 13.6 4.6 54 9.0 8.8 255 9 293.2 294.2 285.2 309.9 5.75 3 850 1529 7.2 4.6 84 2.6 5.8 270 19 293.7 294.8 285.9 311.8 6.26 4 700 3104 0.4 -18.6 22 19.0 -5.6 245 29 302.9 303.2 284.2 307.0 1.26 5 500 5710 -16.1 -29.1 32 13.0 -18.8 255 27 313.4 313.5 287.3 315.8 0.69 6 400 7360 -27.3 -44.3 18 17.0 -29.0 240 42 319.5 319.5 288.8 320.2 0.19 7 300 9350 -44.3 -48.3 64 4.0 -44.5 240 33 322.9 323.0 289.8 323.5 0.16 8 250 10550 -52.5 -69.5 11 17.0 -52.8 235 44 328.0 328.0 291.2 328.1 0.01 9 200 11960 -64.9 -72.9 32 8.0 -65.0 240 46 330.0 330.0 291.7 330.0 0.01 10 172 12867 -71.3 -78.3 35 7.0 -71.3 245 46 333.9 333.9 292.8 334.0 0.01 11 150 13680 -69.7 -77.7 30 8.0 -69.8 245 29 350.0 350.0 296.7 350.0 0.01 TRP 172 12867 -71.3 -78.3 35 7.0 -71.3 245 46 333.9 333.9 292.8 334.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5547.00 m Freezing level: 695.15 mb = 3167.18 m = 10390.87 ft Wetbulb zero: 773.59 mb = 2293.14 m = 7523.34 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 43.36 % Est. max temperature: 21.63 C = 70.93 F Sfc-Lift cond lev (LCL): 969.34 mb = 427.46 m = 1402.40 ft T: 15.52 C 700-500 lapse rate: 6.33 C/km ThetaE index: 4.84 C Layer 700.0- 500.0 mb Conv cond level (CCL): 769.14 mb = 2339.90 m = 7676.74 ft Mean mixing ratio: 6.50 g/kg Conv temperature: 26.47 C = 79.65 F Cap Strength: 4.54 C Lifted Index: 6.26 C Risk: None Lifted Index @300 mb: 9.47 C Lifted Index @700 mb: 4.54 C Showalter Index: 5.09 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 20.70 C K Index: 8.90 Risk: None Sweat Index: 120.20 Risk: None Energy Index: 0.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.12 J/kg Max Up Vert Vel: 4.92 m/s Conv Inhibition (B-): 4540.26 J/kg Cap Strength: 6.23 C Lift Cond Lev (LCL): 853.23 mb = 1497.43 m = 4912.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 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 1014 61 185 9 0.8 9.0 | 127 20 -16.4 12.2 1 1000 163 195 13 3.4 12.6 | 139 21 -13.8 15.8 2 925 825 255 9 8.7 2.3 | 123 10 -8.5 5.6 3 850 1529 270 19 19.0 -0.0 | 209 4 1.8 3.3 4 700 3104 245 29 26.3 12.3 | 210 18 9.1 15.5 5 500 5710 255 27 26.1 7.0 | 221 14 8.9 10.3 6 400 7360 240 42 36.4 21.0 | 218 31 19.2 24.3 7 300 9350 240 33 28.6 16.5 | 210 23 11.4 19.8 8 250 10550 235 44 36.0 25.2 | 213 34 18.8 28.5 9 200 11960 240 46 39.8 23.0 | 221 35 22.6 26.3 10 172 12867 245 46 41.7 19.4 | 227 33 24.5 22.7 11 150 13680 245 29 26.3 12.3 | 210 18 9.1 15.5 Wind Parameters Mean winds (0-6000m): 250.7 at 23.3 knts Storm direction: 280.7 at 17.5 knts Shear (0-3000m) pos: 3.5 neg: 2.3 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 84.1 deg Storm rel helicity (0-3000m) pos: 39.8 neg: -16.3 tot: 23.5 m^2/s^2 ave: 7.8 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 38.47 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 ------------------------------------------------------------------------------- 500 207 12 139 18| 8.0 0.0 8.0| 27.2 -2.8 24.4 48.9 0.36| 12.5 4.4 1000 225 11 139 15| 6.8 0.0 6.8| 31.2 -10.5 20.6 20.6 0.18| 10.1 1.8 1500 245 13 146 10| 7.0 0.0 7.0| 39.0 -10.5 28.4 18.9 0.36| 9.2 3.3 2000 252 15 157 8| 5.2 1.1 6.4| 39.8 -10.5 29.3 14.6 0.33| 8.0 2.6 2500 254 16 170 8| 4.2 1.8 6.0| 39.8 -11.7 28.1 11.2 0.27| 7.4 2.0 3000 252 18 181 9| 3.5 2.3 5.8| 39.8 -16.3 23.5 7.8 0.21| 7.0 1.5 4000 250 21 193 11| 2.7 1.7 4.5| 44.4 -16.5 27.9 7.0 0.22| 5.5 1.2 5000 250 22 199 12| 2.3 1.4 3.7| 49.0 -16.5 32.4 6.5 0.24| 4.6 1.1 6000 251 23 204 12| 1.9 1.4 3.4| 52.8 -16.5 36.3 6.0 0.24| 4.3 1.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251208.00.gif