UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050400.upa.cvt Date: 0000Z 4 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 4 MAY 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 1007 61 14.6 12.1 85 2.5 13.1 355 1 287.2 288.7 285.9 311.8 8.83 1 1000 108 18.4 9.4 56 9.0 13.1 335 3 291.5 292.9 286.3 312.7 7.41 2 925 775 16.2 6.2 51 10.0 10.6 315 5 295.9 297.0 286.9 314.7 6.43 3 850 1488 11.8 0.8 47 11.0 6.2 270 17 298.5 299.4 286.3 312.7 4.77 4 700 3073 -1.7 -3.6 87 1.9 -2.6 230 17 300.6 301.4 286.5 313.2 4.19 5 500 5670 -18.1 -31.1 31 13.0 -20.5 205 21 311.0 311.1 286.4 312.9 0.57 6 400 7300 -29.3 -38.3 41 9.0 -30.4 200 35 316.9 317.0 288.2 318.2 0.35 7 300 9280 -46.9 -52.9 50 6.0 -47.1 205 36 319.3 319.3 288.6 319.6 0.09 8 250 10460 -55.9 -62.9 41 7.0 -56.0 210 48 323.0 323.0 289.7 323.1 0.03 9 221 11240 -59.1 -69.1 26 10.0 -59.2 200 35 329.6 329.6 291.6 329.7 0.02 10 200 11870 -56.9 -70.9 15 14.0 -57.1 210 35 342.7 342.7 295.0 342.7 0.01 11 150 13690 -54.9 -82.9 2 28.0 -55.3 210 23 375.5 375.5 301.5 375.5 0.00 12 100 16270 -57.3 -87.3 1 30.0 -57.7 215 15 417.0 417.0 307.4 417.0 0.00 TRP 221 11240 -59.1 -69.1 26 10.0 -59.2 200 35 329.6 329.6 291.6 329.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5562.00 m Freezing level: 718.89 mb = 2873.41 m = 9427.07 ft Wetbulb zero: 743.96 mb = 2575.83 m = 8450.79 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 59.46 % Est. max temperature: 25.70 C = 78.26 F Sfc-Lift cond lev (LCL): 970.05 mb = 368.16 m = 1207.87 ft T: 17.54 C 700-500 lapse rate: 6.31 C/km ThetaE index: 1.94 C Layer 850.0- 700.0 mb Conv cond level (CCL): 764.01 mb = 2358.65 m = 7738.25 ft Mean mixing ratio: 6.87 g/kg Conv temperature: 27.19 C = 80.94 F Cap Strength: 4.65 C Lifted Index: 1.92 C Risk: Showers probable Lifted Index @300 mb: 4.23 C Lifted Index @700 mb: 0.62 C Showalter Index: 2.51 C Risk: Showers probable Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.90 C Cross Totals Index: 18.90 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 64.60 Risk: None Energy Index: 0.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.61 J/kg Max Up Vert Vel: 4.82 m/s Conv Inhibition (B-): 9112.97 J/kg Cap Strength: 4.65 C Lift Cond Lev (LCL): 831.17 mb = 1670.89 m = 5481.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 12 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 1007 61 355 1 0.1 -1.0 | 76 12 -11.8 -3.0 1 1000 108 335 3 1.3 -2.7 | 66 12 -10.6 -4.7 2 925 775 315 5 3.5 -3.5 | 56 10 -8.4 -5.5 3 850 1488 270 17 17.0 -0.0 | 292 5 5.1 -2.0 4 700 3073 230 17 13.0 10.9 | 187 9 1.1 8.9 5 500 5670 205 21 8.9 19.0 | 170 17 -3.0 17.0 6 400 7300 200 35 12.0 32.9 | 180 31 0.1 30.9 7 300 9280 205 36 15.2 32.6 | 186 31 3.3 30.6 8 250 10460 210 48 24.0 41.6 | 197 41 12.1 39.6 9 221 11240 200 35 12.0 32.9 | 180 31 0.1 30.9 10 200 11870 210 35 17.5 30.3 | 191 29 5.6 28.3 11 150 13690 210 23 11.5 19.9 | 179 18 -0.4 17.9 12 100 16270 215 15 8.6 12.3 | 162 11 -3.3 10.3 Wind Parameters Mean winds (0-6000m): 230.4 at 16.1 knts Storm direction: 260.4 at 12.1 knts Shear (0-3000m) pos: 0.0 neg: 3.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 111.8 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -51.6 tot: -51.6 m^2/s^2 ave: -17.2 10^-3 m/s^2 rel: -0.90 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.31 Bulk Shear: 37.81 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 ------------------------------------------------------------------------------- 500 328 3 64 11| 0.0 3.7 3.7| 0.0 -10.1 -10.1 -20.2 -0.89| 3.8 -3.4 1000 315 5 57 10| 0.0 4.8 4.8| 0.0 -21.9 -21.9 -21.9 -0.85| 5.1 -4.3 1500 289 8 45 6| 0.0 5.8 5.8| 0.0 -35.7 -35.7 -23.8 -0.90| 6.9 -6.2 2000 277 10 30 4| 0.0 4.4 4.4| 0.0 -40.6 -40.6 -20.3 -0.91| 6.1 -5.6 2500 268 12 13 2| 0.0 3.6 3.6| 0.0 -45.7 -45.7 -18.3 -0.91| 5.7 -5.2 3000 261 13 272 0| 0.0 3.0 3.0| 0.0 -51.6 -51.6 -17.2 -0.90| 5.4 -4.8 4000 249 14 198 3| 0.0 2.5 2.5| 0.0 -55.1 -55.1 -13.8 -0.85| 4.5 -3.8 5000 239 15 189 6| 0.0 2.1 2.1| 0.0 -60.9 -60.9 -12.2 -0.81| 3.9 -3.2 6000 230 16 183 8| 0.0 2.2 2.2| 6.8 -65.8 -59.0 -9.8 -0.70| 3.8 -2.6 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250504.00.gif