UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 5 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 1004 61 6.4 6.1 98 0.3 6.2 265 13 279.2 280.2 279.2 295.3 5.88 1 1000 85 6.8 6.5 98 0.3 6.6 270 13 280.0 281.0 279.8 296.5 6.07 2 925 725 4.4 2.3 86 2.1 3.4 305 25 283.8 284.7 280.2 297.5 4.88 3 850 1407 -1.1 -1.4 98 0.3 -1.2 310 23 285.0 285.7 279.8 296.5 4.06 4 700 2929 -10.9 -12.2 90 1.3 -11.3 300 27 290.4 290.8 279.9 296.8 2.14 5 500 5410 -29.1 -38.1 42 9.0 -30.0 310 48 297.6 297.6 280.7 298.5 0.29 6 400 6990 -34.1 -47.1 26 13.0 -35.0 325 91 310.7 310.7 285.7 311.2 0.14 7 300 8980 -42.7 -49.7 46 7.0 -43.1 335 147 325.2 325.2 290.5 325.7 0.14 8 276 9535 -47.1 -54.1 45 7.0 -47.4 335 151 326.7 326.7 290.9 327.0 0.09 9 250 10180 -52.3 -59.3 43 7.0 -52.5 335 147 328.3 328.3 291.3 328.5 0.05 10 211 11257 -60.5 -67.5 39 7.0 -60.6 330 126 331.8 331.8 292.2 331.9 0.02 11 200 11590 -60.7 -68.7 34 8.0 -60.8 325 110 336.6 336.6 293.5 336.7 0.02 12 150 13380 -60.9 -70.9 26 10.0 -61.0 330 71 365.2 365.2 299.7 365.2 0.02 13 100 15900 -59.9 -84.9 2 25.0 -60.2 300 38 412.0 412.0 306.7 412.0 0.00 TRP 211 11257 -60.5 -67.5 39 7.0 -60.6 330 126 331.8 331.8 292.2 331.9 0.02 WND 276 9535 -47.1 -54.1 45 7.0 -47.4 335 151 326.7 326.7 290.9 327.0 0.09 Sounding variables and indices 1000-500 mb thick: 5325.00 m Freezing level: 865.00 mb = 1270.60 m = 4168.58 ft Wetbulb zero: 869.62 mb = 1222.98 m = 4012.35 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 79.96 % Est. max temperature: 12.11 C = 53.79 F Sfc-Lift cond lev (LCL): 999.36 mb = 90.22 m = 296.00 ft T: 6.78 C 700-500 lapse rate: 7.34 C/km ThetaE index: 0.98 C Layer 850.0- 700.0 mb Conv cond level (CCL): 909.62 mb = 860.24 m = 2822.28 ft Mean mixing ratio: 5.34 g/kg Conv temperature: 11.23 C = 52.21 F Cap Strength: 1.22 C Lifted Index: 1.93 C Risk: Showers probable Lifted Index @300 mb: 20.00 C Lifted Index @700 mb: 0.27 C Showalter Index: 2.35 C Risk: Showers probable Total Totals Index: 55.70 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.00 C Cross Totals Index: 27.70 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 228.00 Risk: None Energy Index: 0.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.95 J/kg Max Up Vert Vel: 6.16 m/s Conv Inhibition (B-): 15.63 J/kg Cap Strength: 1.90 C Lift Cond Lev (LCL): 934.54 mb = 640.73 m = 2102.09 ft Lev Free Conv (LFC): 849.54 mb = 1411.20 m = 4629.86 ft Equ Level (EL): 739.54 mb = 2498.21 m = 8196.12 ft B at Equ Level: 18.79 J/kg Max Parcel Lev (MPL): 609.54 mb = 3949.26 m = 12956.74 ft Wind level data Storm motion: 337 at 25 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 1004 61 265 13 13.0 1.1 | 187 24 3.1 23.9 1 1000 85 270 13 13.0 -0.0 | 188 23 3.2 22.8 2 925 725 305 25 20.5 -14.3 | 232 14 10.7 8.5 3 850 1407 310 23 17.6 -14.8 | 224 11 7.8 8.0 4 700 2929 300 27 23.4 -13.5 | 236 16 13.6 9.3 5 500 5410 310 48 36.8 -30.9 | 287 28 27.0 -8.1 6 400 6990 325 91 52.2 -74.5 | 321 67 42.4 -51.7 7 300 8980 335 147 62.1 -133.2 | 335 122 52.3 -110.4 8 276 9535 335 151 63.8 -136.9 | 335 126 54.0 -114.0 9 250 10180 335 147 62.1 -133.2 | 335 122 52.3 -110.4 10 211 11257 330 126 63.0 -109.1 | 328 101 53.2 -86.3 11 200 11590 325 110 63.1 -90.1 | 322 86 53.3 -67.3 12 150 13380 330 71 35.5 -61.5 | 326 46 25.7 -38.7 13 100 15900 300 38 32.9 -19.0 | 261 23 23.1 3.8 Wind Parameters Mean winds (0-6000m): 306.7 at 33.1 knts Storm direction: 336.7 at 24.8 knts Shear (0-3000m) pos: 2.9 neg: 1.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 51.9 deg Storm rel helicity (0-3000m) pos: 82.9 neg: -4.5 tot: 78.4 m^2/s^2 ave: 26.1 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 43.80 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 ------------------------------------------------------------------------------- 500 285 17 200 19| 13.1 0.0 13.1| 54.4 0.0 54.4 108.7 0.80| 13.2 10.5 1000 298 21 213 16| 8.7 0.0 8.7| 69.2 -2.2 67.1 67.1 0.71| 9.7 6.9 1500 302 22 217 14| 5.7 0.0 5.7| 70.0 -4.5 65.5 43.7 0.62| 7.1 4.4 2000 303 22 219 14| 4.3 0.5 4.8| 73.3 -4.5 68.8 34.4 0.62| 5.8 3.6 2500 304 23 222 14| 3.4 0.8 4.2| 76.2 -4.5 71.8 28.7 0.60| 5.0 3.0 3000 303 24 225 14| 2.9 1.0 3.9| 82.9 -4.5 78.4 26.1 0.60| 4.6 2.8 4000 303 26 233 15| 3.2 0.8 4.0|121.3 -4.5 116.8 29.2 0.67| 4.6 3.1 5000 304 29 245 15| 3.5 0.6 4.1|164.0 -4.5 159.5 31.9 0.70| 4.6 3.2 6000 307 33 260 17| 4.8 0.5 5.3|283.0 -4.5 278.5 46.4 0.67| 5.7 3.8 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251205.00.gif