UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050712.upa.cvt Date: 1200Z 7 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 7 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 1012 61 17.4 5.4 45 12.0 10.9 335 9 289.6 290.5 283.5 305.4 5.56 1 1000 148 14.8 4.8 51 10.0 9.6 340 9 288.0 288.9 282.7 303.3 5.39 2 925 800 8.6 4.4 75 4.2 6.4 25 7 288.1 289.1 283.1 304.2 5.67 3 850 1492 2.2 2.1 99 0.1 2.1 75 7 288.5 289.4 282.7 303.4 5.24 4 700 3027 -7.1 -7.6 96 0.5 -7.3 65 5 294.6 295.2 282.9 303.8 3.08 5 500 5590 -20.1 -27.1 54 7.0 -21.5 55 11 308.5 308.7 285.8 311.3 0.83 6 400 7200 -33.3 -42.3 40 9.0 -34.1 60 13 311.7 311.8 286.2 312.5 0.23 7 300 9150 -49.7 -58.7 34 9.0 -49.9 50 19 315.3 315.3 287.2 315.5 0.05 8 257 10153 -55.7 -64.7 32 9.0 -55.8 40 13 320.7 320.7 289.0 320.8 0.02 9 250 10330 -54.9 -64.9 28 10.0 -55.1 355 15 324.4 324.5 290.1 324.5 0.02 10 200 11760 -53.1 -77.1 4 24.0 -53.4 290 11 348.7 348.7 296.3 348.7 0.01 11 150 13620 -52.9 -84.9 1 32.0 -53.4 290 11 378.9 378.9 302.1 378.9 0.00 12 100 16230 -53.5 -84.5 1 31.0 -54.1 275 9 424.4 424.4 308.2 424.4 0.00 TRP 257 10153 -55.7 -64.7 32 9.0 -55.8 40 13 320.7 320.7 289.0 320.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5442.00 m Freezing level: 814.52 mb = 1855.12 m = 6086.27 ft Wetbulb zero: 816.15 mb = 1813.33 m = 5949.18 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 80.89 % Est. max temperature: 16.24 C = 61.23 F Sfc-Lift cond lev (LCL): 845.50 mb = 1533.99 m = 5032.72 ft T: 1.95 C 700-500 lapse rate: 5.07 C/km ThetaE index: 2.17 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 859.16 mb = 1404.33 m = 4607.31 ft Mean mixing ratio: 5.54 g/kg Conv temperature: 16.25 C = 61.25 F Cap Strength: 0.26 C Lifted Index: 6.22 C Risk: None Lifted Index @300 mb: 8.23 C Lifted Index @700 mb: 0.20 C Showalter Index: 6.54 C Risk: None Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 22.20 C K Index: 23.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 50.20 Risk: None Energy Index: 1.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.19 J/kg Max Up Vert Vel: 3.79 m/s Conv Inhibition (B-): 4.60 J/kg Cap Strength: 6.12 C Lift Cond Lev (LCL): 862.88 mb = 1368.96 m = 4491.27 ft Lev Free Conv (LFC): 847.88 mb = 1511.78 m = 4959.84 ft Equ Level (EL): 727.88 mb = 2718.26 m = 8918.07 ft B at Equ Level: 7.10 J/kg Max Parcel Lev (MPL): 667.88 mb = 3384.84 m = 11104.97 ft Wind level data Storm motion: 83 at 6 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 1012 61 335 9 3.8 -8.2 | 308 12 9.5 -7.5 1 1000 148 340 9 3.1 -8.5 | 312 12 8.8 -7.8 2 925 800 25 7 -3.0 -6.3 | 334 6 2.7 -5.7 3 850 1492 75 7 -6.8 -1.8 | 43 2 -1.1 -1.1 4 700 3027 65 5 -4.5 -2.1 | 321 2 1.2 -1.4 5 500 5590 55 11 -9.0 -6.3 | 30 7 -3.3 -5.6 6 400 7200 60 13 -11.3 -6.5 | 44 8 -5.6 -5.8 7 300 9150 50 19 -14.6 -12.2 | 37 15 -8.9 -11.5 8 257 10153 40 13 -8.4 -10.0 | 16 10 -2.7 -9.3 9 250 10330 355 15 1.3 -14.9 | 334 16 7.0 -14.3 10 200 11760 290 11 10.3 -3.8 | 281 16 16.0 -3.1 11 150 13620 290 11 10.3 -3.8 | 281 16 16.0 -3.1 12 100 16230 275 9 9.0 -0.8 | 270 15 14.7 -0.1 Wind Parameters Mean winds (0-6000m): 53.3 at 7.7 knts Storm direction: 83.3 at 5.7 knts Shear (0-3000m) pos: 2.1 neg: 0.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 15.2 deg Storm rel helicity (0-3000m) pos: 15.0 neg: -0.8 tot: 14.3 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.75 Bulk Shear: 9.62 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 ------------------------------------------------------------------------------- 500 350 8 317 11| 5.1 0.0 5.1| 9.4 0.0 9.4 18.9 0.66| 5.3 3.5 1000 5 8 325 9| 4.7 0.0 4.7| 13.2 0.0 13.2 13.2 0.59| 5.0 2.9 1500 22 8 336 7| 4.2 0.0 4.2| 15.0 0.0 15.0 10.0 0.60| 4.6 2.8 2000 35 7 344 6| 3.1 0.2 3.3| 15.0 -0.3 14.7 7.4 0.52| 3.7 1.9 2500 42 7 348 5| 2.5 0.3 2.8| 15.0 -0.5 14.5 5.8 0.44| 3.1 1.4 3000 46 7 348 4| 2.1 0.4 2.5| 15.0 -0.8 14.3 4.8 0.39| 2.7 1.0 4000 51 7 351 4| 1.6 0.2 1.8| 16.1 -0.8 15.4 3.8 0.45| 2.3 1.0 5000 53 7 358 4| 1.3 0.4 1.6| 17.1 -0.8 16.3 3.3 0.44| 2.1 0.9 6000 53 8 6 4| 1.1 0.4 1.5| 18.3 -0.8 17.6 2.9 0.43| 1.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250507.12.gif